git-gui.shon commit git-gui: Improve annotated file display. (486ef52)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GIT_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _gitexec {}
  30set _reponame {}
  31set _iscygwin {}
  32
  33proc appname {} {
  34        global _appname
  35        return $_appname
  36}
  37
  38proc gitdir {args} {
  39        global _gitdir
  40        if {$args eq {}} {
  41                return $_gitdir
  42        }
  43        return [eval [concat [list file join $_gitdir] $args]]
  44}
  45
  46proc gitexec {args} {
  47        global _gitexec
  48        if {$_gitexec eq {}} {
  49                if {[catch {set _gitexec [exec git --exec-path]} err]} {
  50                        error "Git not installed?\n\n$err"
  51                }
  52        }
  53        if {$args eq {}} {
  54                return $_gitexec
  55        }
  56        return [eval [concat [list file join $_gitexec] $args]]
  57}
  58
  59proc reponame {} {
  60        global _reponame
  61        return $_reponame
  62}
  63
  64proc is_MacOSX {} {
  65        global tcl_platform tk_library
  66        if {[tk windowingsystem] eq {aqua}} {
  67                return 1
  68        }
  69        return 0
  70}
  71
  72proc is_Windows {} {
  73        global tcl_platform
  74        if {$tcl_platform(platform) eq {windows}} {
  75                return 1
  76        }
  77        return 0
  78}
  79
  80proc is_Cygwin {} {
  81        global tcl_platform _iscygwin
  82        if {$_iscygwin eq {}} {
  83                if {$tcl_platform(platform) eq {windows}} {
  84                        if {[catch {set p [exec cygpath --windir]} err]} {
  85                                set _iscygwin 0
  86                        } else {
  87                                set _iscygwin 1
  88                        }
  89                } else {
  90                        set _iscygwin 0
  91                }
  92        }
  93        return $_iscygwin
  94}
  95
  96proc is_enabled {option} {
  97        global enabled_options
  98        if {[catch {set on $enabled_options($option)}]} {return 0}
  99        return $on
 100}
 101
 102proc enable_option {option} {
 103        global enabled_options
 104        set enabled_options($option) 1
 105}
 106
 107proc disable_option {option} {
 108        global enabled_options
 109        set enabled_options($option) 0
 110}
 111
 112######################################################################
 113##
 114## config
 115
 116proc is_many_config {name} {
 117        switch -glob -- $name {
 118        remote.*.fetch -
 119        remote.*.push
 120                {return 1}
 121        *
 122                {return 0}
 123        }
 124}
 125
 126proc is_config_true {name} {
 127        global repo_config
 128        if {[catch {set v $repo_config($name)}]} {
 129                return 0
 130        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 131                return 1
 132        } else {
 133                return 0
 134        }
 135}
 136
 137proc load_config {include_global} {
 138        global repo_config global_config default_config
 139
 140        array unset global_config
 141        if {$include_global} {
 142                catch {
 143                        set fd_rc [open "| git config --global --list" r]
 144                        while {[gets $fd_rc line] >= 0} {
 145                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 146                                        if {[is_many_config $name]} {
 147                                                lappend global_config($name) $value
 148                                        } else {
 149                                                set global_config($name) $value
 150                                        }
 151                                }
 152                        }
 153                        close $fd_rc
 154                }
 155        }
 156
 157        array unset repo_config
 158        catch {
 159                set fd_rc [open "| git config --list" r]
 160                while {[gets $fd_rc line] >= 0} {
 161                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 162                                if {[is_many_config $name]} {
 163                                        lappend repo_config($name) $value
 164                                } else {
 165                                        set repo_config($name) $value
 166                                }
 167                        }
 168                }
 169                close $fd_rc
 170        }
 171
 172        foreach name [array names default_config] {
 173                if {[catch {set v $global_config($name)}]} {
 174                        set global_config($name) $default_config($name)
 175                }
 176                if {[catch {set v $repo_config($name)}]} {
 177                        set repo_config($name) $default_config($name)
 178                }
 179        }
 180}
 181
 182proc save_config {} {
 183        global default_config font_descs
 184        global repo_config global_config
 185        global repo_config_new global_config_new
 186
 187        foreach option $font_descs {
 188                set name [lindex $option 0]
 189                set font [lindex $option 1]
 190                font configure $font \
 191                        -family $global_config_new(gui.$font^^family) \
 192                        -size $global_config_new(gui.$font^^size)
 193                font configure ${font}bold \
 194                        -family $global_config_new(gui.$font^^family) \
 195                        -size $global_config_new(gui.$font^^size)
 196                set global_config_new(gui.$name) [font configure $font]
 197                unset global_config_new(gui.$font^^family)
 198                unset global_config_new(gui.$font^^size)
 199        }
 200
 201        foreach name [array names default_config] {
 202                set value $global_config_new($name)
 203                if {$value ne $global_config($name)} {
 204                        if {$value eq $default_config($name)} {
 205                                catch {exec git config --global --unset $name}
 206                        } else {
 207                                regsub -all "\[{}\]" $value {"} value
 208                                exec git config --global $name $value
 209                        }
 210                        set global_config($name) $value
 211                        if {$value eq $repo_config($name)} {
 212                                catch {exec git config --unset $name}
 213                                set repo_config($name) $value
 214                        }
 215                }
 216        }
 217
 218        foreach name [array names default_config] {
 219                set value $repo_config_new($name)
 220                if {$value ne $repo_config($name)} {
 221                        if {$value eq $global_config($name)} {
 222                                catch {exec git config --unset $name}
 223                        } else {
 224                                regsub -all "\[{}\]" $value {"} value
 225                                exec git config $name $value
 226                        }
 227                        set repo_config($name) $value
 228                }
 229        }
 230}
 231
 232proc error_popup {msg} {
 233        set title [appname]
 234        if {[reponame] ne {}} {
 235                append title " ([reponame])"
 236        }
 237        set cmd [list tk_messageBox \
 238                -icon error \
 239                -type ok \
 240                -title "$title: error" \
 241                -message $msg]
 242        if {[winfo ismapped .]} {
 243                lappend cmd -parent .
 244        }
 245        eval $cmd
 246}
 247
 248proc warn_popup {msg} {
 249        set title [appname]
 250        if {[reponame] ne {}} {
 251                append title " ([reponame])"
 252        }
 253        set cmd [list tk_messageBox \
 254                -icon warning \
 255                -type ok \
 256                -title "$title: warning" \
 257                -message $msg]
 258        if {[winfo ismapped .]} {
 259                lappend cmd -parent .
 260        }
 261        eval $cmd
 262}
 263
 264proc info_popup {msg {parent .}} {
 265        set title [appname]
 266        if {[reponame] ne {}} {
 267                append title " ([reponame])"
 268        }
 269        tk_messageBox \
 270                -parent $parent \
 271                -icon info \
 272                -type ok \
 273                -title $title \
 274                -message $msg
 275}
 276
 277proc ask_popup {msg} {
 278        set title [appname]
 279        if {[reponame] ne {}} {
 280                append title " ([reponame])"
 281        }
 282        return [tk_messageBox \
 283                -parent . \
 284                -icon question \
 285                -type yesno \
 286                -title $title \
 287                -message $msg]
 288}
 289
 290######################################################################
 291##
 292## repository setup
 293
 294if {   [catch {set _gitdir $env(GIT_DIR)}]
 295        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 296        catch {wm withdraw .}
 297        error_popup "Cannot find the git directory:\n\n$err"
 298        exit 1
 299}
 300if {![file isdirectory $_gitdir] && [is_Cygwin]} {
 301        catch {set _gitdir [exec cygpath --unix $_gitdir]}
 302}
 303if {![file isdirectory $_gitdir]} {
 304        catch {wm withdraw .}
 305        error_popup "Git directory not found:\n\n$_gitdir"
 306        exit 1
 307}
 308if {[lindex [file split $_gitdir] end] ne {.git}} {
 309        catch {wm withdraw .}
 310        error_popup "Cannot use funny .git directory:\n\n$_gitdir"
 311        exit 1
 312}
 313if {[catch {cd [file dirname $_gitdir]} err]} {
 314        catch {wm withdraw .}
 315        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 316        exit 1
 317}
 318set _reponame [lindex [file split \
 319        [file normalize [file dirname $_gitdir]]] \
 320        end]
 321
 322######################################################################
 323##
 324## task management
 325
 326set rescan_active 0
 327set diff_active 0
 328set last_clicked {}
 329
 330set disable_on_lock [list]
 331set index_lock_type none
 332
 333proc lock_index {type} {
 334        global index_lock_type disable_on_lock
 335
 336        if {$index_lock_type eq {none}} {
 337                set index_lock_type $type
 338                foreach w $disable_on_lock {
 339                        uplevel #0 $w disabled
 340                }
 341                return 1
 342        } elseif {$index_lock_type eq "begin-$type"} {
 343                set index_lock_type $type
 344                return 1
 345        }
 346        return 0
 347}
 348
 349proc unlock_index {} {
 350        global index_lock_type disable_on_lock
 351
 352        set index_lock_type none
 353        foreach w $disable_on_lock {
 354                uplevel #0 $w normal
 355        }
 356}
 357
 358######################################################################
 359##
 360## status
 361
 362proc repository_state {ctvar hdvar mhvar} {
 363        global current_branch
 364        upvar $ctvar ct $hdvar hd $mhvar mh
 365
 366        set mh [list]
 367
 368        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 369                set current_branch {}
 370        } else {
 371                regsub ^refs/((heads|tags|remotes)/)? \
 372                        $current_branch \
 373                        {} \
 374                        current_branch
 375        }
 376
 377        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 378                set hd {}
 379                set ct initial
 380                return
 381        }
 382
 383        set merge_head [gitdir MERGE_HEAD]
 384        if {[file exists $merge_head]} {
 385                set ct merge
 386                set fd_mh [open $merge_head r]
 387                while {[gets $fd_mh line] >= 0} {
 388                        lappend mh $line
 389                }
 390                close $fd_mh
 391                return
 392        }
 393
 394        set ct normal
 395}
 396
 397proc PARENT {} {
 398        global PARENT empty_tree
 399
 400        set p [lindex $PARENT 0]
 401        if {$p ne {}} {
 402                return $p
 403        }
 404        if {$empty_tree eq {}} {
 405                set empty_tree [exec git mktree << {}]
 406        }
 407        return $empty_tree
 408}
 409
 410proc rescan {after {honor_trustmtime 1}} {
 411        global HEAD PARENT MERGE_HEAD commit_type
 412        global ui_index ui_workdir ui_status_value ui_comm
 413        global rescan_active file_states
 414        global repo_config
 415
 416        if {$rescan_active > 0 || ![lock_index read]} return
 417
 418        repository_state newType newHEAD newMERGE_HEAD
 419        if {[string match amend* $commit_type]
 420                && $newType eq {normal}
 421                && $newHEAD eq $HEAD} {
 422        } else {
 423                set HEAD $newHEAD
 424                set PARENT $newHEAD
 425                set MERGE_HEAD $newMERGE_HEAD
 426                set commit_type $newType
 427        }
 428
 429        array unset file_states
 430
 431        if {![$ui_comm edit modified]
 432                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 433                if {[load_message GITGUI_MSG]} {
 434                } elseif {[load_message MERGE_MSG]} {
 435                } elseif {[load_message SQUASH_MSG]} {
 436                }
 437                $ui_comm edit reset
 438                $ui_comm edit modified false
 439        }
 440
 441        if {[is_enabled branch]} {
 442                load_all_heads
 443                populate_branch_menu
 444        }
 445
 446        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
 447                rescan_stage2 {} $after
 448        } else {
 449                set rescan_active 1
 450                set ui_status_value {Refreshing file status...}
 451                set cmd [list git update-index]
 452                lappend cmd -q
 453                lappend cmd --unmerged
 454                lappend cmd --ignore-missing
 455                lappend cmd --refresh
 456                set fd_rf [open "| $cmd" r]
 457                fconfigure $fd_rf -blocking 0 -translation binary
 458                fileevent $fd_rf readable \
 459                        [list rescan_stage2 $fd_rf $after]
 460        }
 461}
 462
 463proc rescan_stage2 {fd after} {
 464        global ui_status_value
 465        global rescan_active buf_rdi buf_rdf buf_rlo
 466
 467        if {$fd ne {}} {
 468                read $fd
 469                if {![eof $fd]} return
 470                close $fd
 471        }
 472
 473        set ls_others [list | git ls-files --others -z \
 474                --exclude-per-directory=.gitignore]
 475        set info_exclude [gitdir info exclude]
 476        if {[file readable $info_exclude]} {
 477                lappend ls_others "--exclude-from=$info_exclude"
 478        }
 479
 480        set buf_rdi {}
 481        set buf_rdf {}
 482        set buf_rlo {}
 483
 484        set rescan_active 3
 485        set ui_status_value {Scanning for modified files ...}
 486        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 487        set fd_df [open "| git diff-files -z" r]
 488        set fd_lo [open $ls_others r]
 489
 490        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
 491        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
 492        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
 493        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 494        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 495        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 496}
 497
 498proc load_message {file} {
 499        global ui_comm
 500
 501        set f [gitdir $file]
 502        if {[file isfile $f]} {
 503                if {[catch {set fd [open $f r]}]} {
 504                        return 0
 505                }
 506                set content [string trim [read $fd]]
 507                close $fd
 508                regsub -all -line {[ \r\t]+$} $content {} content
 509                $ui_comm delete 0.0 end
 510                $ui_comm insert end $content
 511                return 1
 512        }
 513        return 0
 514}
 515
 516proc read_diff_index {fd after} {
 517        global buf_rdi
 518
 519        append buf_rdi [read $fd]
 520        set c 0
 521        set n [string length $buf_rdi]
 522        while {$c < $n} {
 523                set z1 [string first "\0" $buf_rdi $c]
 524                if {$z1 == -1} break
 525                incr z1
 526                set z2 [string first "\0" $buf_rdi $z1]
 527                if {$z2 == -1} break
 528
 529                incr c
 530                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 531                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
 532                merge_state \
 533                        [encoding convertfrom $p] \
 534                        [lindex $i 4]? \
 535                        [list [lindex $i 0] [lindex $i 2]] \
 536                        [list]
 537                set c $z2
 538                incr c
 539        }
 540        if {$c < $n} {
 541                set buf_rdi [string range $buf_rdi $c end]
 542        } else {
 543                set buf_rdi {}
 544        }
 545
 546        rescan_done $fd buf_rdi $after
 547}
 548
 549proc read_diff_files {fd after} {
 550        global buf_rdf
 551
 552        append buf_rdf [read $fd]
 553        set c 0
 554        set n [string length $buf_rdf]
 555        while {$c < $n} {
 556                set z1 [string first "\0" $buf_rdf $c]
 557                if {$z1 == -1} break
 558                incr z1
 559                set z2 [string first "\0" $buf_rdf $z1]
 560                if {$z2 == -1} break
 561
 562                incr c
 563                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 564                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
 565                merge_state \
 566                        [encoding convertfrom $p] \
 567                        ?[lindex $i 4] \
 568                        [list] \
 569                        [list [lindex $i 0] [lindex $i 2]]
 570                set c $z2
 571                incr c
 572        }
 573        if {$c < $n} {
 574                set buf_rdf [string range $buf_rdf $c end]
 575        } else {
 576                set buf_rdf {}
 577        }
 578
 579        rescan_done $fd buf_rdf $after
 580}
 581
 582proc read_ls_others {fd after} {
 583        global buf_rlo
 584
 585        append buf_rlo [read $fd]
 586        set pck [split $buf_rlo "\0"]
 587        set buf_rlo [lindex $pck end]
 588        foreach p [lrange $pck 0 end-1] {
 589                merge_state [encoding convertfrom $p] ?O
 590        }
 591        rescan_done $fd buf_rlo $after
 592}
 593
 594proc rescan_done {fd buf after} {
 595        global rescan_active
 596        global file_states repo_config
 597        upvar $buf to_clear
 598
 599        if {![eof $fd]} return
 600        set to_clear {}
 601        close $fd
 602        if {[incr rescan_active -1] > 0} return
 603
 604        prune_selection
 605        unlock_index
 606        display_all_files
 607        reshow_diff
 608        uplevel #0 $after
 609}
 610
 611proc prune_selection {} {
 612        global file_states selected_paths
 613
 614        foreach path [array names selected_paths] {
 615                if {[catch {set still_here $file_states($path)}]} {
 616                        unset selected_paths($path)
 617                }
 618        }
 619}
 620
 621######################################################################
 622##
 623## diff
 624
 625proc clear_diff {} {
 626        global ui_diff current_diff_path current_diff_header
 627        global ui_index ui_workdir
 628
 629        $ui_diff conf -state normal
 630        $ui_diff delete 0.0 end
 631        $ui_diff conf -state disabled
 632
 633        set current_diff_path {}
 634        set current_diff_header {}
 635
 636        $ui_index tag remove in_diff 0.0 end
 637        $ui_workdir tag remove in_diff 0.0 end
 638}
 639
 640proc reshow_diff {} {
 641        global ui_status_value file_states file_lists
 642        global current_diff_path current_diff_side
 643
 644        set p $current_diff_path
 645        if {$p eq {}
 646                || $current_diff_side eq {}
 647                || [catch {set s $file_states($p)}]
 648                || [lsearch -sorted -exact $file_lists($current_diff_side) $p] == -1} {
 649                clear_diff
 650        } else {
 651                show_diff $p $current_diff_side
 652        }
 653}
 654
 655proc handle_empty_diff {} {
 656        global current_diff_path file_states file_lists
 657
 658        set path $current_diff_path
 659        set s $file_states($path)
 660        if {[lindex $s 0] ne {_M}} return
 661
 662        info_popup "No differences detected.
 663
 664[short_path $path] has no changes.
 665
 666The modification date of this file was updated
 667by another application, but the content within
 668the file was not changed.
 669
 670A rescan will be automatically started to find
 671other files which may have the same state."
 672
 673        clear_diff
 674        display_file $path __
 675        rescan {set ui_status_value {Ready.}} 0
 676}
 677
 678proc show_diff {path w {lno {}}} {
 679        global file_states file_lists
 680        global is_3way_diff diff_active repo_config
 681        global ui_diff ui_status_value ui_index ui_workdir
 682        global current_diff_path current_diff_side current_diff_header
 683
 684        if {$diff_active || ![lock_index read]} return
 685
 686        clear_diff
 687        if {$lno == {}} {
 688                set lno [lsearch -sorted -exact $file_lists($w) $path]
 689                if {$lno >= 0} {
 690                        incr lno
 691                }
 692        }
 693        if {$lno >= 1} {
 694                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 695        }
 696
 697        set s $file_states($path)
 698        set m [lindex $s 0]
 699        set is_3way_diff 0
 700        set diff_active 1
 701        set current_diff_path $path
 702        set current_diff_side $w
 703        set current_diff_header {}
 704        set ui_status_value "Loading diff of [escape_path $path]..."
 705
 706        # - Git won't give us the diff, there's nothing to compare to!
 707        #
 708        if {$m eq {_O}} {
 709                set max_sz [expr {128 * 1024}]
 710                if {[catch {
 711                                set fd [open $path r]
 712                                set content [read $fd $max_sz]
 713                                close $fd
 714                                set sz [file size $path]
 715                        } err ]} {
 716                        set diff_active 0
 717                        unlock_index
 718                        set ui_status_value "Unable to display [escape_path $path]"
 719                        error_popup "Error loading file:\n\n$err"
 720                        return
 721                }
 722                $ui_diff conf -state normal
 723                if {![catch {set type [exec file $path]}]} {
 724                        set n [string length $path]
 725                        if {[string equal -length $n $path $type]} {
 726                                set type [string range $type $n end]
 727                                regsub {^:?\s*} $type {} type
 728                        }
 729                        $ui_diff insert end "* $type\n" d_@
 730                }
 731                if {[string first "\0" $content] != -1} {
 732                        $ui_diff insert end \
 733                                "* Binary file (not showing content)." \
 734                                d_@
 735                } else {
 736                        if {$sz > $max_sz} {
 737                                $ui_diff insert end \
 738"* Untracked file is $sz bytes.
 739* Showing only first $max_sz bytes.
 740" d_@
 741                        }
 742                        $ui_diff insert end $content
 743                        if {$sz > $max_sz} {
 744                                $ui_diff insert end "
 745* Untracked file clipped here by [appname].
 746* To see the entire file, use an external editor.
 747" d_@
 748                        }
 749                }
 750                $ui_diff conf -state disabled
 751                set diff_active 0
 752                unlock_index
 753                set ui_status_value {Ready.}
 754                return
 755        }
 756
 757        set cmd [list | git]
 758        if {$w eq $ui_index} {
 759                lappend cmd diff-index
 760                lappend cmd --cached
 761        } elseif {$w eq $ui_workdir} {
 762                if {[string index $m 0] eq {U}} {
 763                        lappend cmd diff
 764                } else {
 765                        lappend cmd diff-files
 766                }
 767        }
 768
 769        lappend cmd -p
 770        lappend cmd --no-color
 771        if {$repo_config(gui.diffcontext) > 0} {
 772                lappend cmd "-U$repo_config(gui.diffcontext)"
 773        }
 774        if {$w eq $ui_index} {
 775                lappend cmd [PARENT]
 776        }
 777        lappend cmd --
 778        lappend cmd $path
 779
 780        if {[catch {set fd [open $cmd r]} err]} {
 781                set diff_active 0
 782                unlock_index
 783                set ui_status_value "Unable to display [escape_path $path]"
 784                error_popup "Error loading diff:\n\n$err"
 785                return
 786        }
 787
 788        fconfigure $fd \
 789                -blocking 0 \
 790                -encoding binary \
 791                -translation binary
 792        fileevent $fd readable [list read_diff $fd]
 793}
 794
 795proc read_diff {fd} {
 796        global ui_diff ui_status_value diff_active
 797        global is_3way_diff current_diff_header
 798
 799        $ui_diff conf -state normal
 800        while {[gets $fd line] >= 0} {
 801                # -- Cleanup uninteresting diff header lines.
 802                #
 803                if {   [string match {diff --git *}      $line]
 804                        || [string match {diff --cc *}       $line]
 805                        || [string match {diff --combined *} $line]
 806                        || [string match {--- *}             $line]
 807                        || [string match {+++ *}             $line]} {
 808                        append current_diff_header $line "\n"
 809                        continue
 810                }
 811                if {[string match {index *} $line]} continue
 812                if {$line eq {deleted file mode 120000}} {
 813                        set line "deleted symlink"
 814                }
 815
 816                # -- Automatically detect if this is a 3 way diff.
 817                #
 818                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 819
 820                if {[string match {mode *} $line]
 821                        || [string match {new file *} $line]
 822                        || [string match {deleted file *} $line]
 823                        || [string match {Binary files * and * differ} $line]
 824                        || $line eq {\ No newline at end of file}
 825                        || [regexp {^\* Unmerged path } $line]} {
 826                        set tags {}
 827                } elseif {$is_3way_diff} {
 828                        set op [string range $line 0 1]
 829                        switch -- $op {
 830                        {  } {set tags {}}
 831                        {@@} {set tags d_@}
 832                        { +} {set tags d_s+}
 833                        { -} {set tags d_s-}
 834                        {+ } {set tags d_+s}
 835                        {- } {set tags d_-s}
 836                        {--} {set tags d_--}
 837                        {++} {
 838                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 839                                        set line [string replace $line 0 1 {  }]
 840                                        set tags d$op
 841                                } else {
 842                                        set tags d_++
 843                                }
 844                        }
 845                        default {
 846                                puts "error: Unhandled 3 way diff marker: {$op}"
 847                                set tags {}
 848                        }
 849                        }
 850                } else {
 851                        set op [string index $line 0]
 852                        switch -- $op {
 853                        { } {set tags {}}
 854                        {@} {set tags d_@}
 855                        {-} {set tags d_-}
 856                        {+} {
 857                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 858                                        set line [string replace $line 0 0 { }]
 859                                        set tags d$op
 860                                } else {
 861                                        set tags d_+
 862                                }
 863                        }
 864                        default {
 865                                puts "error: Unhandled 2 way diff marker: {$op}"
 866                                set tags {}
 867                        }
 868                        }
 869                }
 870                $ui_diff insert end $line $tags
 871                if {[string index $line end] eq "\r"} {
 872                        $ui_diff tag add d_cr {end - 2c}
 873                }
 874                $ui_diff insert end "\n" $tags
 875        }
 876        $ui_diff conf -state disabled
 877
 878        if {[eof $fd]} {
 879                close $fd
 880                set diff_active 0
 881                unlock_index
 882                set ui_status_value {Ready.}
 883
 884                if {[$ui_diff index end] eq {2.0}} {
 885                        handle_empty_diff
 886                }
 887        }
 888}
 889
 890proc apply_hunk {x y} {
 891        global current_diff_path current_diff_header current_diff_side
 892        global ui_diff ui_index file_states
 893
 894        if {$current_diff_path eq {} || $current_diff_header eq {}} return
 895        if {![lock_index apply_hunk]} return
 896
 897        set apply_cmd {git apply --cached --whitespace=nowarn}
 898        set mi [lindex $file_states($current_diff_path) 0]
 899        if {$current_diff_side eq $ui_index} {
 900                set mode unstage
 901                lappend apply_cmd --reverse
 902                if {[string index $mi 0] ne {M}} {
 903                        unlock_index
 904                        return
 905                }
 906        } else {
 907                set mode stage
 908                if {[string index $mi 1] ne {M}} {
 909                        unlock_index
 910                        return
 911                }
 912        }
 913
 914        set s_lno [lindex [split [$ui_diff index @$x,$y] .] 0]
 915        set s_lno [$ui_diff search -backwards -regexp ^@@ $s_lno.0 0.0]
 916        if {$s_lno eq {}} {
 917                unlock_index
 918                return
 919        }
 920
 921        set e_lno [$ui_diff search -forwards -regexp ^@@ "$s_lno + 1 lines" end]
 922        if {$e_lno eq {}} {
 923                set e_lno end
 924        }
 925
 926        if {[catch {
 927                set p [open "| $apply_cmd" w]
 928                fconfigure $p -translation binary -encoding binary
 929                puts -nonewline $p $current_diff_header
 930                puts -nonewline $p [$ui_diff get $s_lno $e_lno]
 931                close $p} err]} {
 932                error_popup "Failed to $mode selected hunk.\n\n$err"
 933                unlock_index
 934                return
 935        }
 936
 937        $ui_diff conf -state normal
 938        $ui_diff delete $s_lno $e_lno
 939        $ui_diff conf -state disabled
 940
 941        if {[$ui_diff get 1.0 end] eq "\n"} {
 942                set o _
 943        } else {
 944                set o ?
 945        }
 946
 947        if {$current_diff_side eq $ui_index} {
 948                set mi ${o}M
 949        } elseif {[string index $mi 0] eq {_}} {
 950                set mi M$o
 951        } else {
 952                set mi ?$o
 953        }
 954        unlock_index
 955        display_file $current_diff_path $mi
 956        if {$o eq {_}} {
 957                clear_diff
 958        }
 959}
 960
 961######################################################################
 962##
 963## commit
 964
 965proc load_last_commit {} {
 966        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 967        global repo_config
 968
 969        if {[llength $PARENT] == 0} {
 970                error_popup {There is nothing to amend.
 971
 972You are about to create the initial commit.
 973There is no commit before this to amend.
 974}
 975                return
 976        }
 977
 978        repository_state curType curHEAD curMERGE_HEAD
 979        if {$curType eq {merge}} {
 980                error_popup {Cannot amend while merging.
 981
 982You are currently in the middle of a merge that
 983has not been fully completed.  You cannot amend
 984the prior commit unless you first abort the
 985current merge activity.
 986}
 987                return
 988        }
 989
 990        set msg {}
 991        set parents [list]
 992        if {[catch {
 993                        set fd [open "| git cat-file commit $curHEAD" r]
 994                        fconfigure $fd -encoding binary -translation lf
 995                        if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
 996                                set enc utf-8
 997                        }
 998                        while {[gets $fd line] > 0} {
 999                                if {[string match {parent *} $line]} {
1000                                        lappend parents [string range $line 7 end]
1001                                } elseif {[string match {encoding *} $line]} {
1002                                        set enc [string tolower [string range $line 9 end]]
1003                                }
1004                        }
1005                        fconfigure $fd -encoding $enc
1006                        set msg [string trim [read $fd]]
1007                        close $fd
1008                } err]} {
1009                error_popup "Error loading commit data for amend:\n\n$err"
1010                return
1011        }
1012
1013        set HEAD $curHEAD
1014        set PARENT $parents
1015        set MERGE_HEAD [list]
1016        switch -- [llength $parents] {
1017        0       {set commit_type amend-initial}
1018        1       {set commit_type amend}
1019        default {set commit_type amend-merge}
1020        }
1021
1022        $ui_comm delete 0.0 end
1023        $ui_comm insert end $msg
1024        $ui_comm edit reset
1025        $ui_comm edit modified false
1026        rescan {set ui_status_value {Ready.}}
1027}
1028
1029proc create_new_commit {} {
1030        global commit_type ui_comm
1031
1032        set commit_type normal
1033        $ui_comm delete 0.0 end
1034        $ui_comm edit reset
1035        $ui_comm edit modified false
1036        rescan {set ui_status_value {Ready.}}
1037}
1038
1039set GIT_COMMITTER_IDENT {}
1040
1041proc committer_ident {} {
1042        global GIT_COMMITTER_IDENT
1043
1044        if {$GIT_COMMITTER_IDENT eq {}} {
1045                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
1046                        error_popup "Unable to obtain your identity:\n\n$err"
1047                        return {}
1048                }
1049                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
1050                        $me me GIT_COMMITTER_IDENT]} {
1051                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
1052                        return {}
1053                }
1054        }
1055
1056        return $GIT_COMMITTER_IDENT
1057}
1058
1059proc commit_tree {} {
1060        global HEAD commit_type file_states ui_comm repo_config
1061        global ui_status_value pch_error
1062
1063        if {[committer_ident] eq {}} return
1064        if {![lock_index update]} return
1065
1066        # -- Our in memory state should match the repository.
1067        #
1068        repository_state curType curHEAD curMERGE_HEAD
1069        if {[string match amend* $commit_type]
1070                && $curType eq {normal}
1071                && $curHEAD eq $HEAD} {
1072        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
1073                info_popup {Last scanned state does not match repository state.
1074
1075Another Git program has modified this repository
1076since the last scan.  A rescan must be performed
1077before another commit can be created.
1078
1079The rescan will be automatically started now.
1080}
1081                unlock_index
1082                rescan {set ui_status_value {Ready.}}
1083                return
1084        }
1085
1086        # -- At least one file should differ in the index.
1087        #
1088        set files_ready 0
1089        foreach path [array names file_states] {
1090                switch -glob -- [lindex $file_states($path) 0] {
1091                _? {continue}
1092                A? -
1093                D? -
1094                M? {set files_ready 1}
1095                U? {
1096                        error_popup "Unmerged files cannot be committed.
1097
1098File [short_path $path] has merge conflicts.
1099You must resolve them and add the file before committing.
1100"
1101                        unlock_index
1102                        return
1103                }
1104                default {
1105                        error_popup "Unknown file state [lindex $s 0] detected.
1106
1107File [short_path $path] cannot be committed by this program.
1108"
1109                }
1110                }
1111        }
1112        if {!$files_ready} {
1113                info_popup {No changes to commit.
1114
1115You must add at least 1 file before you can commit.
1116}
1117                unlock_index
1118                return
1119        }
1120
1121        # -- A message is required.
1122        #
1123        set msg [string trim [$ui_comm get 1.0 end]]
1124        regsub -all -line {[ \t\r]+$} $msg {} msg
1125        if {$msg eq {}} {
1126                error_popup {Please supply a commit message.
1127
1128A good commit message has the following format:
1129
1130- First line: Describe in one sentance what you did.
1131- Second line: Blank
1132- Remaining lines: Describe why this change is good.
1133}
1134                unlock_index
1135                return
1136        }
1137
1138        # -- Run the pre-commit hook.
1139        #
1140        set pchook [gitdir hooks pre-commit]
1141
1142        # On Cygwin [file executable] might lie so we need to ask
1143        # the shell if the hook is executable.  Yes that's annoying.
1144        #
1145        if {[is_Cygwin] && [file isfile $pchook]} {
1146                set pchook [list sh -c [concat \
1147                        "if test -x \"$pchook\";" \
1148                        "then exec \"$pchook\" 2>&1;" \
1149                        "fi"]]
1150        } elseif {[file executable $pchook]} {
1151                set pchook [list $pchook |& cat]
1152        } else {
1153                commit_writetree $curHEAD $msg
1154                return
1155        }
1156
1157        set ui_status_value {Calling pre-commit hook...}
1158        set pch_error {}
1159        set fd_ph [open "| $pchook" r]
1160        fconfigure $fd_ph -blocking 0 -translation binary
1161        fileevent $fd_ph readable \
1162                [list commit_prehook_wait $fd_ph $curHEAD $msg]
1163}
1164
1165proc commit_prehook_wait {fd_ph curHEAD msg} {
1166        global pch_error ui_status_value
1167
1168        append pch_error [read $fd_ph]
1169        fconfigure $fd_ph -blocking 1
1170        if {[eof $fd_ph]} {
1171                if {[catch {close $fd_ph}]} {
1172                        set ui_status_value {Commit declined by pre-commit hook.}
1173                        hook_failed_popup pre-commit $pch_error
1174                        unlock_index
1175                } else {
1176                        commit_writetree $curHEAD $msg
1177                }
1178                set pch_error {}
1179                return
1180        }
1181        fconfigure $fd_ph -blocking 0
1182}
1183
1184proc commit_writetree {curHEAD msg} {
1185        global ui_status_value
1186
1187        set ui_status_value {Committing changes...}
1188        set fd_wt [open "| git write-tree" r]
1189        fileevent $fd_wt readable \
1190                [list commit_committree $fd_wt $curHEAD $msg]
1191}
1192
1193proc commit_committree {fd_wt curHEAD msg} {
1194        global HEAD PARENT MERGE_HEAD commit_type
1195        global all_heads current_branch
1196        global ui_status_value ui_comm selected_commit_type
1197        global file_states selected_paths rescan_active
1198        global repo_config
1199
1200        gets $fd_wt tree_id
1201        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1202                error_popup "write-tree failed:\n\n$err"
1203                set ui_status_value {Commit failed.}
1204                unlock_index
1205                return
1206        }
1207
1208        # -- Build the message.
1209        #
1210        set msg_p [gitdir COMMIT_EDITMSG]
1211        set msg_wt [open $msg_p w]
1212        if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
1213                set enc utf-8
1214        }
1215        fconfigure $msg_wt -encoding $enc -translation binary
1216        puts -nonewline $msg_wt $msg
1217        close $msg_wt
1218
1219        # -- Create the commit.
1220        #
1221        set cmd [list git commit-tree $tree_id]
1222        set parents [concat $PARENT $MERGE_HEAD]
1223        if {[llength $parents] > 0} {
1224                foreach p $parents {
1225                        lappend cmd -p $p
1226                }
1227        } else {
1228                # git commit-tree writes to stderr during initial commit.
1229                lappend cmd 2>/dev/null
1230        }
1231        lappend cmd <$msg_p
1232        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1233                error_popup "commit-tree failed:\n\n$err"
1234                set ui_status_value {Commit failed.}
1235                unlock_index
1236                return
1237        }
1238
1239        # -- Update the HEAD ref.
1240        #
1241        set reflogm commit
1242        if {$commit_type ne {normal}} {
1243                append reflogm " ($commit_type)"
1244        }
1245        set i [string first "\n" $msg]
1246        if {$i >= 0} {
1247                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1248        } else {
1249                append reflogm {: } $msg
1250        }
1251        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1252        if {[catch {eval exec $cmd} err]} {
1253                error_popup "update-ref failed:\n\n$err"
1254                set ui_status_value {Commit failed.}
1255                unlock_index
1256                return
1257        }
1258
1259        # -- Make sure our current branch exists.
1260        #
1261        if {$commit_type eq {initial}} {
1262                lappend all_heads $current_branch
1263                set all_heads [lsort -unique $all_heads]
1264                populate_branch_menu
1265        }
1266
1267        # -- Cleanup after ourselves.
1268        #
1269        catch {file delete $msg_p}
1270        catch {file delete [gitdir MERGE_HEAD]}
1271        catch {file delete [gitdir MERGE_MSG]}
1272        catch {file delete [gitdir SQUASH_MSG]}
1273        catch {file delete [gitdir GITGUI_MSG]}
1274
1275        # -- Let rerere do its thing.
1276        #
1277        if {[file isdirectory [gitdir rr-cache]]} {
1278                catch {exec git rerere}
1279        }
1280
1281        # -- Run the post-commit hook.
1282        #
1283        set pchook [gitdir hooks post-commit]
1284        if {[is_Cygwin] && [file isfile $pchook]} {
1285                set pchook [list sh -c [concat \
1286                        "if test -x \"$pchook\";" \
1287                        "then exec \"$pchook\";" \
1288                        "fi"]]
1289        } elseif {![file executable $pchook]} {
1290                set pchook {}
1291        }
1292        if {$pchook ne {}} {
1293                catch {exec $pchook &}
1294        }
1295
1296        $ui_comm delete 0.0 end
1297        $ui_comm edit reset
1298        $ui_comm edit modified false
1299
1300        if {[is_enabled singlecommit]} do_quit
1301
1302        # -- Update in memory status
1303        #
1304        set selected_commit_type new
1305        set commit_type normal
1306        set HEAD $cmt_id
1307        set PARENT $cmt_id
1308        set MERGE_HEAD [list]
1309
1310        foreach path [array names file_states] {
1311                set s $file_states($path)
1312                set m [lindex $s 0]
1313                switch -glob -- $m {
1314                _O -
1315                _M -
1316                _D {continue}
1317                __ -
1318                A_ -
1319                M_ -
1320                D_ {
1321                        unset file_states($path)
1322                        catch {unset selected_paths($path)}
1323                }
1324                DO {
1325                        set file_states($path) [list _O [lindex $s 1] {} {}]
1326                }
1327                AM -
1328                AD -
1329                MM -
1330                MD {
1331                        set file_states($path) [list \
1332                                _[string index $m 1] \
1333                                [lindex $s 1] \
1334                                [lindex $s 3] \
1335                                {}]
1336                }
1337                }
1338        }
1339
1340        display_all_files
1341        unlock_index
1342        reshow_diff
1343        set ui_status_value \
1344                "Changes committed as [string range $cmt_id 0 7]."
1345}
1346
1347######################################################################
1348##
1349## fetch push
1350
1351proc fetch_from {remote} {
1352        set w [new_console \
1353                "fetch $remote" \
1354                "Fetching new changes from $remote"]
1355        set cmd [list git fetch]
1356        lappend cmd $remote
1357        console_exec $w $cmd console_done
1358}
1359
1360proc push_to {remote} {
1361        set w [new_console \
1362                "push $remote" \
1363                "Pushing changes to $remote"]
1364        set cmd [list git push]
1365        lappend cmd -v
1366        lappend cmd $remote
1367        console_exec $w $cmd console_done
1368}
1369
1370######################################################################
1371##
1372## ui helpers
1373
1374proc mapicon {w state path} {
1375        global all_icons
1376
1377        if {[catch {set r $all_icons($state$w)}]} {
1378                puts "error: no icon for $w state={$state} $path"
1379                return file_plain
1380        }
1381        return $r
1382}
1383
1384proc mapdesc {state path} {
1385        global all_descs
1386
1387        if {[catch {set r $all_descs($state)}]} {
1388                puts "error: no desc for state={$state} $path"
1389                return $state
1390        }
1391        return $r
1392}
1393
1394proc escape_path {path} {
1395        regsub -all {\\} $path "\\\\" path
1396        regsub -all "\n" $path "\\n" path
1397        return $path
1398}
1399
1400proc short_path {path} {
1401        return [escape_path [lindex [file split $path] end]]
1402}
1403
1404set next_icon_id 0
1405set null_sha1 [string repeat 0 40]
1406
1407proc merge_state {path new_state {head_info {}} {index_info {}}} {
1408        global file_states next_icon_id null_sha1
1409
1410        set s0 [string index $new_state 0]
1411        set s1 [string index $new_state 1]
1412
1413        if {[catch {set info $file_states($path)}]} {
1414                set state __
1415                set icon n[incr next_icon_id]
1416        } else {
1417                set state [lindex $info 0]
1418                set icon [lindex $info 1]
1419                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1420                if {$index_info eq {}} {set index_info [lindex $info 3]}
1421        }
1422
1423        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1424        elseif {$s0 eq {_}} {set s0 _}
1425
1426        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1427        elseif {$s1 eq {_}} {set s1 _}
1428
1429        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1430                set head_info [list 0 $null_sha1]
1431        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1432                && $head_info eq {}} {
1433                set head_info $index_info
1434        }
1435
1436        set file_states($path) [list $s0$s1 $icon \
1437                $head_info $index_info \
1438                ]
1439        return $state
1440}
1441
1442proc display_file_helper {w path icon_name old_m new_m} {
1443        global file_lists
1444
1445        if {$new_m eq {_}} {
1446                set lno [lsearch -sorted -exact $file_lists($w) $path]
1447                if {$lno >= 0} {
1448                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1449                        incr lno
1450                        $w conf -state normal
1451                        $w delete $lno.0 [expr {$lno + 1}].0
1452                        $w conf -state disabled
1453                }
1454        } elseif {$old_m eq {_} && $new_m ne {_}} {
1455                lappend file_lists($w) $path
1456                set file_lists($w) [lsort -unique $file_lists($w)]
1457                set lno [lsearch -sorted -exact $file_lists($w) $path]
1458                incr lno
1459                $w conf -state normal
1460                $w image create $lno.0 \
1461                        -align center -padx 5 -pady 1 \
1462                        -name $icon_name \
1463                        -image [mapicon $w $new_m $path]
1464                $w insert $lno.1 "[escape_path $path]\n"
1465                $w conf -state disabled
1466        } elseif {$old_m ne $new_m} {
1467                $w conf -state normal
1468                $w image conf $icon_name -image [mapicon $w $new_m $path]
1469                $w conf -state disabled
1470        }
1471}
1472
1473proc display_file {path state} {
1474        global file_states selected_paths
1475        global ui_index ui_workdir
1476
1477        set old_m [merge_state $path $state]
1478        set s $file_states($path)
1479        set new_m [lindex $s 0]
1480        set icon_name [lindex $s 1]
1481
1482        set o [string index $old_m 0]
1483        set n [string index $new_m 0]
1484        if {$o eq {U}} {
1485                set o _
1486        }
1487        if {$n eq {U}} {
1488                set n _
1489        }
1490        display_file_helper     $ui_index $path $icon_name $o $n
1491
1492        if {[string index $old_m 0] eq {U}} {
1493                set o U
1494        } else {
1495                set o [string index $old_m 1]
1496        }
1497        if {[string index $new_m 0] eq {U}} {
1498                set n U
1499        } else {
1500                set n [string index $new_m 1]
1501        }
1502        display_file_helper     $ui_workdir $path $icon_name $o $n
1503
1504        if {$new_m eq {__}} {
1505                unset file_states($path)
1506                catch {unset selected_paths($path)}
1507        }
1508}
1509
1510proc display_all_files_helper {w path icon_name m} {
1511        global file_lists
1512
1513        lappend file_lists($w) $path
1514        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1515        $w image create end \
1516                -align center -padx 5 -pady 1 \
1517                -name $icon_name \
1518                -image [mapicon $w $m $path]
1519        $w insert end "[escape_path $path]\n"
1520}
1521
1522proc display_all_files {} {
1523        global ui_index ui_workdir
1524        global file_states file_lists
1525        global last_clicked
1526
1527        $ui_index conf -state normal
1528        $ui_workdir conf -state normal
1529
1530        $ui_index delete 0.0 end
1531        $ui_workdir delete 0.0 end
1532        set last_clicked {}
1533
1534        set file_lists($ui_index) [list]
1535        set file_lists($ui_workdir) [list]
1536
1537        foreach path [lsort [array names file_states]] {
1538                set s $file_states($path)
1539                set m [lindex $s 0]
1540                set icon_name [lindex $s 1]
1541
1542                set s [string index $m 0]
1543                if {$s ne {U} && $s ne {_}} {
1544                        display_all_files_helper $ui_index $path \
1545                                $icon_name $s
1546                }
1547
1548                if {[string index $m 0] eq {U}} {
1549                        set s U
1550                } else {
1551                        set s [string index $m 1]
1552                }
1553                if {$s ne {_}} {
1554                        display_all_files_helper $ui_workdir $path \
1555                                $icon_name $s
1556                }
1557        }
1558
1559        $ui_index conf -state disabled
1560        $ui_workdir conf -state disabled
1561}
1562
1563proc update_indexinfo {msg pathList after} {
1564        global update_index_cp ui_status_value
1565
1566        if {![lock_index update]} return
1567
1568        set update_index_cp 0
1569        set pathList [lsort $pathList]
1570        set totalCnt [llength $pathList]
1571        set batch [expr {int($totalCnt * .01) + 1}]
1572        if {$batch > 25} {set batch 25}
1573
1574        set ui_status_value [format \
1575                "$msg... %i/%i files (%.2f%%)" \
1576                $update_index_cp \
1577                $totalCnt \
1578                0.0]
1579        set fd [open "| git update-index -z --index-info" w]
1580        fconfigure $fd \
1581                -blocking 0 \
1582                -buffering full \
1583                -buffersize 512 \
1584                -encoding binary \
1585                -translation binary
1586        fileevent $fd writable [list \
1587                write_update_indexinfo \
1588                $fd \
1589                $pathList \
1590                $totalCnt \
1591                $batch \
1592                $msg \
1593                $after \
1594                ]
1595}
1596
1597proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1598        global update_index_cp ui_status_value
1599        global file_states current_diff_path
1600
1601        if {$update_index_cp >= $totalCnt} {
1602                close $fd
1603                unlock_index
1604                uplevel #0 $after
1605                return
1606        }
1607
1608        for {set i $batch} \
1609                {$update_index_cp < $totalCnt && $i > 0} \
1610                {incr i -1} {
1611                set path [lindex $pathList $update_index_cp]
1612                incr update_index_cp
1613
1614                set s $file_states($path)
1615                switch -glob -- [lindex $s 0] {
1616                A? {set new _O}
1617                M? {set new _M}
1618                D_ {set new _D}
1619                D? {set new _?}
1620                ?? {continue}
1621                }
1622                set info [lindex $s 2]
1623                if {$info eq {}} continue
1624
1625                puts -nonewline $fd "$info\t[encoding convertto $path]\0"
1626                display_file $path $new
1627        }
1628
1629        set ui_status_value [format \
1630                "$msg... %i/%i files (%.2f%%)" \
1631                $update_index_cp \
1632                $totalCnt \
1633                [expr {100.0 * $update_index_cp / $totalCnt}]]
1634}
1635
1636proc update_index {msg pathList after} {
1637        global update_index_cp ui_status_value
1638
1639        if {![lock_index update]} return
1640
1641        set update_index_cp 0
1642        set pathList [lsort $pathList]
1643        set totalCnt [llength $pathList]
1644        set batch [expr {int($totalCnt * .01) + 1}]
1645        if {$batch > 25} {set batch 25}
1646
1647        set ui_status_value [format \
1648                "$msg... %i/%i files (%.2f%%)" \
1649                $update_index_cp \
1650                $totalCnt \
1651                0.0]
1652        set fd [open "| git update-index --add --remove -z --stdin" w]
1653        fconfigure $fd \
1654                -blocking 0 \
1655                -buffering full \
1656                -buffersize 512 \
1657                -encoding binary \
1658                -translation binary
1659        fileevent $fd writable [list \
1660                write_update_index \
1661                $fd \
1662                $pathList \
1663                $totalCnt \
1664                $batch \
1665                $msg \
1666                $after \
1667                ]
1668}
1669
1670proc write_update_index {fd pathList totalCnt batch msg after} {
1671        global update_index_cp ui_status_value
1672        global file_states current_diff_path
1673
1674        if {$update_index_cp >= $totalCnt} {
1675                close $fd
1676                unlock_index
1677                uplevel #0 $after
1678                return
1679        }
1680
1681        for {set i $batch} \
1682                {$update_index_cp < $totalCnt && $i > 0} \
1683                {incr i -1} {
1684                set path [lindex $pathList $update_index_cp]
1685                incr update_index_cp
1686
1687                switch -glob -- [lindex $file_states($path) 0] {
1688                AD {set new __}
1689                ?D {set new D_}
1690                _O -
1691                AM {set new A_}
1692                U? {
1693                        if {[file exists $path]} {
1694                                set new M_
1695                        } else {
1696                                set new D_
1697                        }
1698                }
1699                ?M {set new M_}
1700                ?? {continue}
1701                }
1702                puts -nonewline $fd "[encoding convertto $path]\0"
1703                display_file $path $new
1704        }
1705
1706        set ui_status_value [format \
1707                "$msg... %i/%i files (%.2f%%)" \
1708                $update_index_cp \
1709                $totalCnt \
1710                [expr {100.0 * $update_index_cp / $totalCnt}]]
1711}
1712
1713proc checkout_index {msg pathList after} {
1714        global update_index_cp ui_status_value
1715
1716        if {![lock_index update]} return
1717
1718        set update_index_cp 0
1719        set pathList [lsort $pathList]
1720        set totalCnt [llength $pathList]
1721        set batch [expr {int($totalCnt * .01) + 1}]
1722        if {$batch > 25} {set batch 25}
1723
1724        set ui_status_value [format \
1725                "$msg... %i/%i files (%.2f%%)" \
1726                $update_index_cp \
1727                $totalCnt \
1728                0.0]
1729        set cmd [list git checkout-index]
1730        lappend cmd --index
1731        lappend cmd --quiet
1732        lappend cmd --force
1733        lappend cmd -z
1734        lappend cmd --stdin
1735        set fd [open "| $cmd " w]
1736        fconfigure $fd \
1737                -blocking 0 \
1738                -buffering full \
1739                -buffersize 512 \
1740                -encoding binary \
1741                -translation binary
1742        fileevent $fd writable [list \
1743                write_checkout_index \
1744                $fd \
1745                $pathList \
1746                $totalCnt \
1747                $batch \
1748                $msg \
1749                $after \
1750                ]
1751}
1752
1753proc write_checkout_index {fd pathList totalCnt batch msg after} {
1754        global update_index_cp ui_status_value
1755        global file_states current_diff_path
1756
1757        if {$update_index_cp >= $totalCnt} {
1758                close $fd
1759                unlock_index
1760                uplevel #0 $after
1761                return
1762        }
1763
1764        for {set i $batch} \
1765                {$update_index_cp < $totalCnt && $i > 0} \
1766                {incr i -1} {
1767                set path [lindex $pathList $update_index_cp]
1768                incr update_index_cp
1769                switch -glob -- [lindex $file_states($path) 0] {
1770                U? {continue}
1771                ?M -
1772                ?D {
1773                        puts -nonewline $fd "[encoding convertto $path]\0"
1774                        display_file $path ?_
1775                }
1776                }
1777        }
1778
1779        set ui_status_value [format \
1780                "$msg... %i/%i files (%.2f%%)" \
1781                $update_index_cp \
1782                $totalCnt \
1783                [expr {100.0 * $update_index_cp / $totalCnt}]]
1784}
1785
1786######################################################################
1787##
1788## branch management
1789
1790proc is_tracking_branch {name} {
1791        global tracking_branches
1792
1793        if {![catch {set info $tracking_branches($name)}]} {
1794                return 1
1795        }
1796        foreach t [array names tracking_branches] {
1797                if {[string match {*/\*} $t] && [string match $t $name]} {
1798                        return 1
1799                }
1800        }
1801        return 0
1802}
1803
1804proc load_all_heads {} {
1805        global all_heads
1806
1807        set all_heads [list]
1808        set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
1809        while {[gets $fd line] > 0} {
1810                if {[is_tracking_branch $line]} continue
1811                if {![regsub ^refs/heads/ $line {} name]} continue
1812                lappend all_heads $name
1813        }
1814        close $fd
1815
1816        set all_heads [lsort $all_heads]
1817}
1818
1819proc populate_branch_menu {} {
1820        global all_heads disable_on_lock
1821
1822        set m .mbar.branch
1823        set last [$m index last]
1824        for {set i 0} {$i <= $last} {incr i} {
1825                if {[$m type $i] eq {separator}} {
1826                        $m delete $i last
1827                        set new_dol [list]
1828                        foreach a $disable_on_lock {
1829                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1830                                        lappend new_dol $a
1831                                }
1832                        }
1833                        set disable_on_lock $new_dol
1834                        break
1835                }
1836        }
1837
1838        if {$all_heads ne {}} {
1839                $m add separator
1840        }
1841        foreach b $all_heads {
1842                $m add radiobutton \
1843                        -label $b \
1844                        -command [list switch_branch $b] \
1845                        -variable current_branch \
1846                        -value $b \
1847                        -font font_ui
1848                lappend disable_on_lock \
1849                        [list $m entryconf [$m index last] -state]
1850        }
1851}
1852
1853proc all_tracking_branches {} {
1854        global tracking_branches
1855
1856        set all_trackings {}
1857        set cmd {}
1858        foreach name [array names tracking_branches] {
1859                if {[regsub {/\*$} $name {} name]} {
1860                        lappend cmd $name
1861                } else {
1862                        regsub ^refs/(heads|remotes)/ $name {} name
1863                        lappend all_trackings $name
1864                }
1865        }
1866
1867        if {$cmd ne {}} {
1868                set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
1869                while {[gets $fd name] > 0} {
1870                        regsub ^refs/(heads|remotes)/ $name {} name
1871                        lappend all_trackings $name
1872                }
1873                close $fd
1874        }
1875
1876        return [lsort -unique $all_trackings]
1877}
1878
1879proc do_create_branch_action {w} {
1880        global all_heads null_sha1 repo_config
1881        global create_branch_checkout create_branch_revtype
1882        global create_branch_head create_branch_trackinghead
1883        global create_branch_name create_branch_revexp
1884
1885        set newbranch $create_branch_name
1886        if {$newbranch eq {}
1887                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
1888                tk_messageBox \
1889                        -icon error \
1890                        -type ok \
1891                        -title [wm title $w] \
1892                        -parent $w \
1893                        -message "Please supply a branch name."
1894                focus $w.desc.name_t
1895                return
1896        }
1897        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1898                tk_messageBox \
1899                        -icon error \
1900                        -type ok \
1901                        -title [wm title $w] \
1902                        -parent $w \
1903                        -message "Branch '$newbranch' already exists."
1904                focus $w.desc.name_t
1905                return
1906        }
1907        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1908                tk_messageBox \
1909                        -icon error \
1910                        -type ok \
1911                        -title [wm title $w] \
1912                        -parent $w \
1913                        -message "We do not like '$newbranch' as a branch name."
1914                focus $w.desc.name_t
1915                return
1916        }
1917
1918        set rev {}
1919        switch -- $create_branch_revtype {
1920        head {set rev $create_branch_head}
1921        tracking {set rev $create_branch_trackinghead}
1922        expression {set rev $create_branch_revexp}
1923        }
1924        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1925                tk_messageBox \
1926                        -icon error \
1927                        -type ok \
1928                        -title [wm title $w] \
1929                        -parent $w \
1930                        -message "Invalid starting revision: $rev"
1931                return
1932        }
1933        set cmd [list git update-ref]
1934        lappend cmd -m
1935        lappend cmd "branch: Created from $rev"
1936        lappend cmd "refs/heads/$newbranch"
1937        lappend cmd $cmt
1938        lappend cmd $null_sha1
1939        if {[catch {eval exec $cmd} err]} {
1940                tk_messageBox \
1941                        -icon error \
1942                        -type ok \
1943                        -title [wm title $w] \
1944                        -parent $w \
1945                        -message "Failed to create '$newbranch'.\n\n$err"
1946                return
1947        }
1948
1949        lappend all_heads $newbranch
1950        set all_heads [lsort $all_heads]
1951        populate_branch_menu
1952        destroy $w
1953        if {$create_branch_checkout} {
1954                switch_branch $newbranch
1955        }
1956}
1957
1958proc radio_selector {varname value args} {
1959        upvar #0 $varname var
1960        set var $value
1961}
1962
1963trace add variable create_branch_head write \
1964        [list radio_selector create_branch_revtype head]
1965trace add variable create_branch_trackinghead write \
1966        [list radio_selector create_branch_revtype tracking]
1967
1968trace add variable delete_branch_head write \
1969        [list radio_selector delete_branch_checktype head]
1970trace add variable delete_branch_trackinghead write \
1971        [list radio_selector delete_branch_checktype tracking]
1972
1973proc do_create_branch {} {
1974        global all_heads current_branch repo_config
1975        global create_branch_checkout create_branch_revtype
1976        global create_branch_head create_branch_trackinghead
1977        global create_branch_name create_branch_revexp
1978
1979        set w .branch_editor
1980        toplevel $w
1981        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1982
1983        label $w.header -text {Create New Branch} \
1984                -font font_uibold
1985        pack $w.header -side top -fill x
1986
1987        frame $w.buttons
1988        button $w.buttons.create -text Create \
1989                -font font_ui \
1990                -default active \
1991                -command [list do_create_branch_action $w]
1992        pack $w.buttons.create -side right
1993        button $w.buttons.cancel -text {Cancel} \
1994                -font font_ui \
1995                -command [list destroy $w]
1996        pack $w.buttons.cancel -side right -padx 5
1997        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1998
1999        labelframe $w.desc \
2000                -text {Branch Description} \
2001                -font font_ui
2002        label $w.desc.name_l -text {Name:} -font font_ui
2003        entry $w.desc.name_t \
2004                -borderwidth 1 \
2005                -relief sunken \
2006                -width 40 \
2007                -textvariable create_branch_name \
2008                -font font_ui \
2009                -validate key \
2010                -validatecommand {
2011                        if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
2012                        return 1
2013                }
2014        grid $w.desc.name_l $w.desc.name_t -sticky we -padx {0 5}
2015        grid columnconfigure $w.desc 1 -weight 1
2016        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
2017
2018        labelframe $w.from \
2019                -text {Starting Revision} \
2020                -font font_ui
2021        radiobutton $w.from.head_r \
2022                -text {Local Branch:} \
2023                -value head \
2024                -variable create_branch_revtype \
2025                -font font_ui
2026        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
2027        grid $w.from.head_r $w.from.head_m -sticky w
2028        set all_trackings [all_tracking_branches]
2029        if {$all_trackings ne {}} {
2030                set create_branch_trackinghead [lindex $all_trackings 0]
2031                radiobutton $w.from.tracking_r \
2032                        -text {Tracking Branch:} \
2033                        -value tracking \
2034                        -variable create_branch_revtype \
2035                        -font font_ui
2036                eval tk_optionMenu $w.from.tracking_m \
2037                        create_branch_trackinghead \
2038                        $all_trackings
2039                grid $w.from.tracking_r $w.from.tracking_m -sticky w
2040        }
2041        radiobutton $w.from.exp_r \
2042                -text {Revision Expression:} \
2043                -value expression \
2044                -variable create_branch_revtype \
2045                -font font_ui
2046        entry $w.from.exp_t \
2047                -borderwidth 1 \
2048                -relief sunken \
2049                -width 50 \
2050                -textvariable create_branch_revexp \
2051                -font font_ui \
2052                -validate key \
2053                -validatecommand {
2054                        if {%d == 1 && [regexp {\s} %S]} {return 0}
2055                        if {%d == 1 && [string length %S] > 0} {
2056                                set create_branch_revtype expression
2057                        }
2058                        return 1
2059                }
2060        grid $w.from.exp_r $w.from.exp_t -sticky we -padx {0 5}
2061        grid columnconfigure $w.from 1 -weight 1
2062        pack $w.from -anchor nw -fill x -pady 5 -padx 5
2063
2064        labelframe $w.postActions \
2065                -text {Post Creation Actions} \
2066                -font font_ui
2067        checkbutton $w.postActions.checkout \
2068                -text {Checkout after creation} \
2069                -variable create_branch_checkout \
2070                -font font_ui
2071        pack $w.postActions.checkout -anchor nw
2072        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
2073
2074        set create_branch_checkout 1
2075        set create_branch_head $current_branch
2076        set create_branch_revtype head
2077        set create_branch_name $repo_config(gui.newbranchtemplate)
2078        set create_branch_revexp {}
2079
2080        bind $w <Visibility> "
2081                grab $w
2082                $w.desc.name_t icursor end
2083                focus $w.desc.name_t
2084        "
2085        bind $w <Key-Escape> "destroy $w"
2086        bind $w <Key-Return> "do_create_branch_action $w;break"
2087        wm title $w "[appname] ([reponame]): Create Branch"
2088        tkwait window $w
2089}
2090
2091proc do_delete_branch_action {w} {
2092        global all_heads
2093        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2094
2095        set check_rev {}
2096        switch -- $delete_branch_checktype {
2097        head {set check_rev $delete_branch_head}
2098        tracking {set check_rev $delete_branch_trackinghead}
2099        always {set check_rev {:none}}
2100        }
2101        if {$check_rev eq {:none}} {
2102                set check_cmt {}
2103        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
2104                tk_messageBox \
2105                        -icon error \
2106                        -type ok \
2107                        -title [wm title $w] \
2108                        -parent $w \
2109                        -message "Invalid check revision: $check_rev"
2110                return
2111        }
2112
2113        set to_delete [list]
2114        set not_merged [list]
2115        foreach i [$w.list.l curselection] {
2116                set b [$w.list.l get $i]
2117                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
2118                if {$check_cmt ne {}} {
2119                        if {$b eq $check_rev} continue
2120                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
2121                        if {$o ne $m} {
2122                                lappend not_merged $b
2123                                continue
2124                        }
2125                }
2126                lappend to_delete [list $b $o]
2127        }
2128        if {$not_merged ne {}} {
2129                set msg "The following branches are not completely merged into $check_rev:
2130
2131 - [join $not_merged "\n - "]"
2132                tk_messageBox \
2133                        -icon info \
2134                        -type ok \
2135                        -title [wm title $w] \
2136                        -parent $w \
2137                        -message $msg
2138        }
2139        if {$to_delete eq {}} return
2140        if {$delete_branch_checktype eq {always}} {
2141                set msg {Recovering deleted branches is difficult.
2142
2143Delete the selected branches?}
2144                if {[tk_messageBox \
2145                        -icon warning \
2146                        -type yesno \
2147                        -title [wm title $w] \
2148                        -parent $w \
2149                        -message $msg] ne yes} {
2150                        return
2151                }
2152        }
2153
2154        set failed {}
2155        foreach i $to_delete {
2156                set b [lindex $i 0]
2157                set o [lindex $i 1]
2158                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
2159                        append failed " - $b: $err\n"
2160                } else {
2161                        set x [lsearch -sorted -exact $all_heads $b]
2162                        if {$x >= 0} {
2163                                set all_heads [lreplace $all_heads $x $x]
2164                        }
2165                }
2166        }
2167
2168        if {$failed ne {}} {
2169                tk_messageBox \
2170                        -icon error \
2171                        -type ok \
2172                        -title [wm title $w] \
2173                        -parent $w \
2174                        -message "Failed to delete branches:\n$failed"
2175        }
2176
2177        set all_heads [lsort $all_heads]
2178        populate_branch_menu
2179        destroy $w
2180}
2181
2182proc do_delete_branch {} {
2183        global all_heads tracking_branches current_branch
2184        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2185
2186        set w .branch_editor
2187        toplevel $w
2188        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2189
2190        label $w.header -text {Delete Local Branch} \
2191                -font font_uibold
2192        pack $w.header -side top -fill x
2193
2194        frame $w.buttons
2195        button $w.buttons.create -text Delete \
2196                -font font_ui \
2197                -command [list do_delete_branch_action $w]
2198        pack $w.buttons.create -side right
2199        button $w.buttons.cancel -text {Cancel} \
2200                -font font_ui \
2201                -command [list destroy $w]
2202        pack $w.buttons.cancel -side right -padx 5
2203        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2204
2205        labelframe $w.list \
2206                -text {Local Branches} \
2207                -font font_ui
2208        listbox $w.list.l \
2209                -height 10 \
2210                -width 70 \
2211                -selectmode extended \
2212                -yscrollcommand [list $w.list.sby set] \
2213                -font font_ui
2214        foreach h $all_heads {
2215                if {$h ne $current_branch} {
2216                        $w.list.l insert end $h
2217                }
2218        }
2219        scrollbar $w.list.sby -command [list $w.list.l yview]
2220        pack $w.list.sby -side right -fill y
2221        pack $w.list.l -side left -fill both -expand 1
2222        pack $w.list -fill both -expand 1 -pady 5 -padx 5
2223
2224        labelframe $w.validate \
2225                -text {Delete Only If} \
2226                -font font_ui
2227        radiobutton $w.validate.head_r \
2228                -text {Merged Into Local Branch:} \
2229                -value head \
2230                -variable delete_branch_checktype \
2231                -font font_ui
2232        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2233        grid $w.validate.head_r $w.validate.head_m -sticky w
2234        set all_trackings [all_tracking_branches]
2235        if {$all_trackings ne {}} {
2236                set delete_branch_trackinghead [lindex $all_trackings 0]
2237                radiobutton $w.validate.tracking_r \
2238                        -text {Merged Into Tracking Branch:} \
2239                        -value tracking \
2240                        -variable delete_branch_checktype \
2241                        -font font_ui
2242                eval tk_optionMenu $w.validate.tracking_m \
2243                        delete_branch_trackinghead \
2244                        $all_trackings
2245                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2246        }
2247        radiobutton $w.validate.always_r \
2248                -text {Always (Do not perform merge checks)} \
2249                -value always \
2250                -variable delete_branch_checktype \
2251                -font font_ui
2252        grid $w.validate.always_r -columnspan 2 -sticky w
2253        grid columnconfigure $w.validate 1 -weight 1
2254        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2255
2256        set delete_branch_head $current_branch
2257        set delete_branch_checktype head
2258
2259        bind $w <Visibility> "grab $w; focus $w"
2260        bind $w <Key-Escape> "destroy $w"
2261        wm title $w "[appname] ([reponame]): Delete Branch"
2262        tkwait window $w
2263}
2264
2265proc switch_branch {new_branch} {
2266        global HEAD commit_type current_branch repo_config
2267
2268        if {![lock_index switch]} return
2269
2270        # -- Our in memory state should match the repository.
2271        #
2272        repository_state curType curHEAD curMERGE_HEAD
2273        if {[string match amend* $commit_type]
2274                && $curType eq {normal}
2275                && $curHEAD eq $HEAD} {
2276        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2277                info_popup {Last scanned state does not match repository state.
2278
2279Another Git program has modified this repository
2280since the last scan.  A rescan must be performed
2281before the current branch can be changed.
2282
2283The rescan will be automatically started now.
2284}
2285                unlock_index
2286                rescan {set ui_status_value {Ready.}}
2287                return
2288        }
2289
2290        # -- Don't do a pointless switch.
2291        #
2292        if {$current_branch eq $new_branch} {
2293                unlock_index
2294                return
2295        }
2296
2297        if {$repo_config(gui.trustmtime) eq {true}} {
2298                switch_branch_stage2 {} $new_branch
2299        } else {
2300                set ui_status_value {Refreshing file status...}
2301                set cmd [list git update-index]
2302                lappend cmd -q
2303                lappend cmd --unmerged
2304                lappend cmd --ignore-missing
2305                lappend cmd --refresh
2306                set fd_rf [open "| $cmd" r]
2307                fconfigure $fd_rf -blocking 0 -translation binary
2308                fileevent $fd_rf readable \
2309                        [list switch_branch_stage2 $fd_rf $new_branch]
2310        }
2311}
2312
2313proc switch_branch_stage2 {fd_rf new_branch} {
2314        global ui_status_value HEAD
2315
2316        if {$fd_rf ne {}} {
2317                read $fd_rf
2318                if {![eof $fd_rf]} return
2319                close $fd_rf
2320        }
2321
2322        set ui_status_value "Updating working directory to '$new_branch'..."
2323        set cmd [list git read-tree]
2324        lappend cmd -m
2325        lappend cmd -u
2326        lappend cmd --exclude-per-directory=.gitignore
2327        lappend cmd $HEAD
2328        lappend cmd $new_branch
2329        set fd_rt [open "| $cmd" r]
2330        fconfigure $fd_rt -blocking 0 -translation binary
2331        fileevent $fd_rt readable \
2332                [list switch_branch_readtree_wait $fd_rt $new_branch]
2333}
2334
2335proc switch_branch_readtree_wait {fd_rt new_branch} {
2336        global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
2337        global current_branch
2338        global ui_comm ui_status_value
2339
2340        # -- We never get interesting output on stdout; only stderr.
2341        #
2342        read $fd_rt
2343        fconfigure $fd_rt -blocking 1
2344        if {![eof $fd_rt]} {
2345                fconfigure $fd_rt -blocking 0
2346                return
2347        }
2348
2349        # -- The working directory wasn't in sync with the index and
2350        #    we'd have to overwrite something to make the switch. A
2351        #    merge is required.
2352        #
2353        if {[catch {close $fd_rt} err]} {
2354                regsub {^fatal: } $err {} err
2355                warn_popup "File level merge required.
2356
2357$err
2358
2359Staying on branch '$current_branch'."
2360                set ui_status_value "Aborted checkout of '$new_branch' (file level merging is required)."
2361                unlock_index
2362                return
2363        }
2364
2365        # -- Update the symbolic ref.  Core git doesn't even check for failure
2366        #    here, it Just Works(tm).  If it doesn't we are in some really ugly
2367        #    state that is difficult to recover from within git-gui.
2368        #
2369        if {[catch {exec git symbolic-ref HEAD "refs/heads/$new_branch"} err]} {
2370                error_popup "Failed to set current branch.
2371
2372This working directory is only partially switched.
2373We successfully updated your files, but failed to
2374update an internal Git file.
2375
2376This should not have occurred.  [appname] will now
2377close and give up.
2378
2379$err"
2380                do_quit
2381                return
2382        }
2383
2384        # -- Update our repository state.  If we were previously in amend mode
2385        #    we need to toss the current buffer and do a full rescan to update
2386        #    our file lists.  If we weren't in amend mode our file lists are
2387        #    accurate and we can avoid the rescan.
2388        #
2389        unlock_index
2390        set selected_commit_type new
2391        if {[string match amend* $commit_type]} {
2392                $ui_comm delete 0.0 end
2393                $ui_comm edit reset
2394                $ui_comm edit modified false
2395                rescan {set ui_status_value "Checked out branch '$current_branch'."}
2396        } else {
2397                repository_state commit_type HEAD MERGE_HEAD
2398                set PARENT $HEAD
2399                set ui_status_value "Checked out branch '$current_branch'."
2400        }
2401}
2402
2403######################################################################
2404##
2405## remote management
2406
2407proc load_all_remotes {} {
2408        global repo_config
2409        global all_remotes tracking_branches
2410
2411        set all_remotes [list]
2412        array unset tracking_branches
2413
2414        set rm_dir [gitdir remotes]
2415        if {[file isdirectory $rm_dir]} {
2416                set all_remotes [glob \
2417                        -types f \
2418                        -tails \
2419                        -nocomplain \
2420                        -directory $rm_dir *]
2421
2422                foreach name $all_remotes {
2423                        catch {
2424                                set fd [open [file join $rm_dir $name] r]
2425                                while {[gets $fd line] >= 0} {
2426                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2427                                                $line line src dst]} continue
2428                                        if {![regexp ^refs/ $dst]} {
2429                                                set dst "refs/heads/$dst"
2430                                        }
2431                                        set tracking_branches($dst) [list $name $src]
2432                                }
2433                                close $fd
2434                        }
2435                }
2436        }
2437
2438        foreach line [array names repo_config remote.*.url] {
2439                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2440                lappend all_remotes $name
2441
2442                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2443                        set fl {}
2444                }
2445                foreach line $fl {
2446                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2447                        if {![regexp ^refs/ $dst]} {
2448                                set dst "refs/heads/$dst"
2449                        }
2450                        set tracking_branches($dst) [list $name $src]
2451                }
2452        }
2453
2454        set all_remotes [lsort -unique $all_remotes]
2455}
2456
2457proc populate_fetch_menu {} {
2458        global all_remotes repo_config
2459
2460        set m .mbar.fetch
2461        foreach r $all_remotes {
2462                set enable 0
2463                if {![catch {set a $repo_config(remote.$r.url)}]} {
2464                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2465                                set enable 1
2466                        }
2467                } else {
2468                        catch {
2469                                set fd [open [gitdir remotes $r] r]
2470                                while {[gets $fd n] >= 0} {
2471                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2472                                                set enable 1
2473                                                break
2474                                        }
2475                                }
2476                                close $fd
2477                        }
2478                }
2479
2480                if {$enable} {
2481                        $m add command \
2482                                -label "Fetch from $r..." \
2483                                -command [list fetch_from $r] \
2484                                -font font_ui
2485                }
2486        }
2487}
2488
2489proc populate_push_menu {} {
2490        global all_remotes repo_config
2491
2492        set m .mbar.push
2493        set fast_count 0
2494        foreach r $all_remotes {
2495                set enable 0
2496                if {![catch {set a $repo_config(remote.$r.url)}]} {
2497                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2498                                set enable 1
2499                        }
2500                } else {
2501                        catch {
2502                                set fd [open [gitdir remotes $r] r]
2503                                while {[gets $fd n] >= 0} {
2504                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2505                                                set enable 1
2506                                                break
2507                                        }
2508                                }
2509                                close $fd
2510                        }
2511                }
2512
2513                if {$enable} {
2514                        if {!$fast_count} {
2515                                $m add separator
2516                        }
2517                        $m add command \
2518                                -label "Push to $r..." \
2519                                -command [list push_to $r] \
2520                                -font font_ui
2521                        incr fast_count
2522                }
2523        }
2524}
2525
2526proc start_push_anywhere_action {w} {
2527        global push_urltype push_remote push_url push_thin push_tags
2528
2529        set r_url {}
2530        switch -- $push_urltype {
2531        remote {set r_url $push_remote}
2532        url {set r_url $push_url}
2533        }
2534        if {$r_url eq {}} return
2535
2536        set cmd [list git push]
2537        lappend cmd -v
2538        if {$push_thin} {
2539                lappend cmd --thin
2540        }
2541        if {$push_tags} {
2542                lappend cmd --tags
2543        }
2544        lappend cmd $r_url
2545        set cnt 0
2546        foreach i [$w.source.l curselection] {
2547                set b [$w.source.l get $i]
2548                lappend cmd "refs/heads/$b:refs/heads/$b"
2549                incr cnt
2550        }
2551        if {$cnt == 0} {
2552                return
2553        } elseif {$cnt == 1} {
2554                set unit branch
2555        } else {
2556                set unit branches
2557        }
2558
2559        set cons [new_console "push $r_url" "Pushing $cnt $unit to $r_url"]
2560        console_exec $cons $cmd console_done
2561        destroy $w
2562}
2563
2564trace add variable push_remote write \
2565        [list radio_selector push_urltype remote]
2566
2567proc do_push_anywhere {} {
2568        global all_heads all_remotes current_branch
2569        global push_urltype push_remote push_url push_thin push_tags
2570
2571        set w .push_setup
2572        toplevel $w
2573        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2574
2575        label $w.header -text {Push Branches} -font font_uibold
2576        pack $w.header -side top -fill x
2577
2578        frame $w.buttons
2579        button $w.buttons.create -text Push \
2580                -font font_ui \
2581                -command [list start_push_anywhere_action $w]
2582        pack $w.buttons.create -side right
2583        button $w.buttons.cancel -text {Cancel} \
2584                -font font_ui \
2585                -command [list destroy $w]
2586        pack $w.buttons.cancel -side right -padx 5
2587        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2588
2589        labelframe $w.source \
2590                -text {Source Branches} \
2591                -font font_ui
2592        listbox $w.source.l \
2593                -height 10 \
2594                -width 70 \
2595                -selectmode extended \
2596                -yscrollcommand [list $w.source.sby set] \
2597                -font font_ui
2598        foreach h $all_heads {
2599                $w.source.l insert end $h
2600                if {$h eq $current_branch} {
2601                        $w.source.l select set end
2602                }
2603        }
2604        scrollbar $w.source.sby -command [list $w.source.l yview]
2605        pack $w.source.sby -side right -fill y
2606        pack $w.source.l -side left -fill both -expand 1
2607        pack $w.source -fill both -expand 1 -pady 5 -padx 5
2608
2609        labelframe $w.dest \
2610                -text {Destination Repository} \
2611                -font font_ui
2612        if {$all_remotes ne {}} {
2613                radiobutton $w.dest.remote_r \
2614                        -text {Remote:} \
2615                        -value remote \
2616                        -variable push_urltype \
2617                        -font font_ui
2618                eval tk_optionMenu $w.dest.remote_m push_remote $all_remotes
2619                grid $w.dest.remote_r $w.dest.remote_m -sticky w
2620                if {[lsearch -sorted -exact $all_remotes origin] != -1} {
2621                        set push_remote origin
2622                } else {
2623                        set push_remote [lindex $all_remotes 0]
2624                }
2625                set push_urltype remote
2626        } else {
2627                set push_urltype url
2628        }
2629        radiobutton $w.dest.url_r \
2630                -text {Arbitrary URL:} \
2631                -value url \
2632                -variable push_urltype \
2633                -font font_ui
2634        entry $w.dest.url_t \
2635                -borderwidth 1 \
2636                -relief sunken \
2637                -width 50 \
2638                -textvariable push_url \
2639                -font font_ui \
2640                -validate key \
2641                -validatecommand {
2642                        if {%d == 1 && [regexp {\s} %S]} {return 0}
2643                        if {%d == 1 && [string length %S] > 0} {
2644                                set push_urltype url
2645                        }
2646                        return 1
2647                }
2648        grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
2649        grid columnconfigure $w.dest 1 -weight 1
2650        pack $w.dest -anchor nw -fill x -pady 5 -padx 5
2651
2652        labelframe $w.options \
2653                -text {Transfer Options} \
2654                -font font_ui
2655        checkbutton $w.options.thin \
2656                -text {Use thin pack (for slow network connections)} \
2657                -variable push_thin \
2658                -font font_ui
2659        grid $w.options.thin -columnspan 2 -sticky w
2660        checkbutton $w.options.tags \
2661                -text {Include tags} \
2662                -variable push_tags \
2663                -font font_ui
2664        grid $w.options.tags -columnspan 2 -sticky w
2665        grid columnconfigure $w.options 1 -weight 1
2666        pack $w.options -anchor nw -fill x -pady 5 -padx 5
2667
2668        set push_url {}
2669        set push_thin 0
2670        set push_tags 0
2671
2672        bind $w <Visibility> "grab $w"
2673        bind $w <Key-Escape> "destroy $w"
2674        wm title $w "[appname] ([reponame]): Push"
2675        tkwait window $w
2676}
2677
2678######################################################################
2679##
2680## merge
2681
2682proc can_merge {} {
2683        global HEAD commit_type file_states
2684
2685        if {[string match amend* $commit_type]} {
2686                info_popup {Cannot merge while amending.
2687
2688You must finish amending this commit before
2689starting any type of merge.
2690}
2691                return 0
2692        }
2693
2694        if {[committer_ident] eq {}} {return 0}
2695        if {![lock_index merge]} {return 0}
2696
2697        # -- Our in memory state should match the repository.
2698        #
2699        repository_state curType curHEAD curMERGE_HEAD
2700        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
2701                info_popup {Last scanned state does not match repository state.
2702
2703Another Git program has modified this repository
2704since the last scan.  A rescan must be performed
2705before a merge can be performed.
2706
2707The rescan will be automatically started now.
2708}
2709                unlock_index
2710                rescan {set ui_status_value {Ready.}}
2711                return 0
2712        }
2713
2714        foreach path [array names file_states] {
2715                switch -glob -- [lindex $file_states($path) 0] {
2716                _O {
2717                        continue; # and pray it works!
2718                }
2719                U? {
2720                        error_popup "You are in the middle of a conflicted merge.
2721
2722File [short_path $path] has merge conflicts.
2723
2724You must resolve them, add the file, and commit to
2725complete the current merge.  Only then can you
2726begin another merge.
2727"
2728                        unlock_index
2729                        return 0
2730                }
2731                ?? {
2732                        error_popup "You are in the middle of a change.
2733
2734File [short_path $path] is modified.
2735
2736You should complete the current commit before
2737starting a merge.  Doing so will help you abort
2738a failed merge, should the need arise.
2739"
2740                        unlock_index
2741                        return 0
2742                }
2743                }
2744        }
2745
2746        return 1
2747}
2748
2749proc visualize_local_merge {w} {
2750        set revs {}
2751        foreach i [$w.source.l curselection] {
2752                lappend revs [$w.source.l get $i]
2753        }
2754        if {$revs eq {}} return
2755        lappend revs --not HEAD
2756        do_gitk $revs
2757}
2758
2759proc start_local_merge_action {w} {
2760        global HEAD ui_status_value current_branch
2761
2762        set cmd [list git merge]
2763        set names {}
2764        set revcnt 0
2765        foreach i [$w.source.l curselection] {
2766                set b [$w.source.l get $i]
2767                lappend cmd $b
2768                lappend names $b
2769                incr revcnt
2770        }
2771
2772        if {$revcnt == 0} {
2773                return
2774        } elseif {$revcnt == 1} {
2775                set unit branch
2776        } elseif {$revcnt <= 15} {
2777                set unit branches
2778        } else {
2779                tk_messageBox \
2780                        -icon error \
2781                        -type ok \
2782                        -title [wm title $w] \
2783                        -parent $w \
2784                        -message "Too many branches selected.
2785
2786You have requested to merge $revcnt branches
2787in an octopus merge.  This exceeds Git's
2788internal limit of 15 branches per merge.
2789
2790Please select fewer branches.  To merge more
2791than 15 branches, merge the branches in batches.
2792"
2793                return
2794        }
2795
2796        set msg "Merging $current_branch, [join $names {, }]"
2797        set ui_status_value "$msg..."
2798        set cons [new_console "Merge" $msg]
2799        console_exec $cons $cmd [list finish_merge $revcnt]
2800        bind $w <Destroy> {}
2801        destroy $w
2802}
2803
2804proc finish_merge {revcnt w ok} {
2805        console_done $w $ok
2806        if {$ok} {
2807                set msg {Merge completed successfully.}
2808        } else {
2809                if {$revcnt != 1} {
2810                        info_popup "Octopus merge failed.
2811
2812Your merge of $revcnt branches has failed.
2813
2814There are file-level conflicts between the
2815branches which must be resolved manually.
2816
2817The working directory will now be reset.
2818
2819You can attempt this merge again
2820by merging only one branch at a time." $w
2821
2822                        set fd [open "| git read-tree --reset -u HEAD" r]
2823                        fconfigure $fd -blocking 0 -translation binary
2824                        fileevent $fd readable [list reset_hard_wait $fd]
2825                        set ui_status_value {Aborting... please wait...}
2826                        return
2827                }
2828
2829                set msg {Merge failed.  Conflict resolution is required.}
2830        }
2831        unlock_index
2832        rescan [list set ui_status_value $msg]
2833}
2834
2835proc do_local_merge {} {
2836        global current_branch
2837
2838        if {![can_merge]} return
2839
2840        set w .merge_setup
2841        toplevel $w
2842        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2843
2844        label $w.header \
2845                -text "Merge Into $current_branch" \
2846                -font font_uibold
2847        pack $w.header -side top -fill x
2848
2849        frame $w.buttons
2850        button $w.buttons.visualize -text Visualize \
2851                -font font_ui \
2852                -command [list visualize_local_merge $w]
2853        pack $w.buttons.visualize -side left
2854        button $w.buttons.create -text Merge \
2855                -font font_ui \
2856                -command [list start_local_merge_action $w]
2857        pack $w.buttons.create -side right
2858        button $w.buttons.cancel -text {Cancel} \
2859                -font font_ui \
2860                -command [list destroy $w]
2861        pack $w.buttons.cancel -side right -padx 5
2862        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2863
2864        labelframe $w.source \
2865                -text {Source Branches} \
2866                -font font_ui
2867        listbox $w.source.l \
2868                -height 10 \
2869                -width 70 \
2870                -selectmode extended \
2871                -yscrollcommand [list $w.source.sby set] \
2872                -font font_ui
2873        scrollbar $w.source.sby -command [list $w.source.l yview]
2874        pack $w.source.sby -side right -fill y
2875        pack $w.source.l -side left -fill both -expand 1
2876        pack $w.source -fill both -expand 1 -pady 5 -padx 5
2877
2878        set cmd [list git for-each-ref]
2879        lappend cmd {--format=%(objectname) %(refname)}
2880        lappend cmd refs/heads
2881        lappend cmd refs/remotes
2882        set fr_fd [open "| $cmd" r]
2883        fconfigure $fr_fd -translation binary
2884        while {[gets $fr_fd line] > 0} {
2885                set line [split $line { }]
2886                set sha1([lindex $line 0]) [lindex $line 1]
2887        }
2888        close $fr_fd
2889
2890        set to_show {}
2891        set fr_fd [open "| git rev-list --all --not HEAD"]
2892        while {[gets $fr_fd line] > 0} {
2893                if {[catch {set ref $sha1($line)}]} continue
2894                regsub ^refs/(heads|remotes)/ $ref {} ref
2895                lappend to_show $ref
2896        }
2897        close $fr_fd
2898
2899        foreach ref [lsort -unique $to_show] {
2900                $w.source.l insert end $ref
2901        }
2902
2903        bind $w <Visibility> "grab $w"
2904        bind $w <Key-Escape> "unlock_index;destroy $w"
2905        bind $w <Destroy> unlock_index
2906        wm title $w "[appname] ([reponame]): Merge"
2907        tkwait window $w
2908}
2909
2910proc do_reset_hard {} {
2911        global HEAD commit_type file_states
2912
2913        if {[string match amend* $commit_type]} {
2914                info_popup {Cannot abort while amending.
2915
2916You must finish amending this commit.
2917}
2918                return
2919        }
2920
2921        if {![lock_index abort]} return
2922
2923        if {[string match *merge* $commit_type]} {
2924                set op merge
2925        } else {
2926                set op commit
2927        }
2928
2929        if {[ask_popup "Abort $op?
2930
2931Aborting the current $op will cause
2932*ALL* uncommitted changes to be lost.
2933
2934Continue with aborting the current $op?"] eq {yes}} {
2935                set fd [open "| git read-tree --reset -u HEAD" r]
2936                fconfigure $fd -blocking 0 -translation binary
2937                fileevent $fd readable [list reset_hard_wait $fd]
2938                set ui_status_value {Aborting... please wait...}
2939        } else {
2940                unlock_index
2941        }
2942}
2943
2944proc reset_hard_wait {fd} {
2945        global ui_comm
2946
2947        read $fd
2948        if {[eof $fd]} {
2949                close $fd
2950                unlock_index
2951
2952                $ui_comm delete 0.0 end
2953                $ui_comm edit modified false
2954
2955                catch {file delete [gitdir MERGE_HEAD]}
2956                catch {file delete [gitdir rr-cache MERGE_RR]}
2957                catch {file delete [gitdir SQUASH_MSG]}
2958                catch {file delete [gitdir MERGE_MSG]}
2959                catch {file delete [gitdir GITGUI_MSG]}
2960
2961                rescan {set ui_status_value {Abort completed.  Ready.}}
2962        }
2963}
2964
2965######################################################################
2966##
2967## browser
2968
2969set next_browser_id 0
2970
2971proc new_browser {commit} {
2972        global next_browser_id cursor_ptr M1B
2973        global browser_commit browser_status browser_stack browser_path browser_busy
2974
2975        set w .browser[incr next_browser_id]
2976        set w_list $w.list.l
2977        set browser_commit($w_list) $commit
2978        set browser_status($w_list) {Starting...}
2979        set browser_stack($w_list) {}
2980        set browser_path($w_list) $browser_commit($w_list):
2981        set browser_busy($w_list) 1
2982
2983        toplevel $w
2984        label $w.path -textvariable browser_path($w_list) \
2985                -anchor w \
2986                -justify left \
2987                -borderwidth 1 \
2988                -relief sunken \
2989                -font font_uibold
2990        pack $w.path -anchor w -side top -fill x
2991
2992        frame $w.list
2993        text $w_list -background white -borderwidth 0 \
2994                -cursor $cursor_ptr \
2995                -state disabled \
2996                -wrap none \
2997                -height 20 \
2998                -width 70 \
2999                -xscrollcommand [list $w.list.sbx set] \
3000                -yscrollcommand [list $w.list.sby set] \
3001                -font font_ui
3002        $w_list tag conf in_sel \
3003                -background [$w_list cget -foreground] \
3004                -foreground [$w_list cget -background]
3005        scrollbar $w.list.sbx -orient h -command [list $w_list xview]
3006        scrollbar $w.list.sby -orient v -command [list $w_list yview]
3007        pack $w.list.sbx -side bottom -fill x
3008        pack $w.list.sby -side right -fill y
3009        pack $w_list -side left -fill both -expand 1
3010        pack $w.list -side top -fill both -expand 1
3011
3012        label $w.status -textvariable browser_status($w_list) \
3013                -anchor w \
3014                -justify left \
3015                -borderwidth 1 \
3016                -relief sunken \
3017                -font font_ui
3018        pack $w.status -anchor w -side bottom -fill x
3019
3020        bind $w_list <Button-1>        "browser_click 0 $w_list @%x,%y;break"
3021        bind $w_list <Double-Button-1> "browser_click 1 $w_list @%x,%y;break"
3022        bind $w_list <$M1B-Up>         "browser_parent $w_list;break"
3023        bind $w_list <$M1B-Left>       "browser_parent $w_list;break"
3024        bind $w_list <Up>              "browser_move -1 $w_list;break"
3025        bind $w_list <Down>            "browser_move 1 $w_list;break"
3026        bind $w_list <$M1B-Right>      "browser_enter $w_list;break"
3027        bind $w_list <Return>          "browser_enter $w_list;break"
3028        bind $w_list <Prior>           "browser_page -1 $w_list;break"
3029        bind $w_list <Next>            "browser_page 1 $w_list;break"
3030        bind $w_list <Left>            break
3031        bind $w_list <Right>           break
3032
3033        bind $w <Visibility> "focus $w"
3034        bind $w <Destroy> "
3035                array unset browser_buffer $w_list
3036                array unset browser_files $w_list
3037                array unset browser_status $w_list
3038                array unset browser_stack $w_list
3039                array unset browser_path $w_list
3040                array unset browser_commit $w_list
3041                array unset browser_busy $w_list
3042        "
3043        wm title $w "[appname] ([reponame]): File Browser"
3044        ls_tree $w_list $browser_commit($w_list) {}
3045}
3046
3047proc browser_move {dir w} {
3048        global browser_files browser_busy
3049
3050        if {$browser_busy($w)} return
3051        set lno [lindex [split [$w index in_sel.first] .] 0]
3052        incr lno $dir
3053        if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
3054                $w tag remove in_sel 0.0 end
3055                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3056                $w see $lno.0
3057        }
3058}
3059
3060proc browser_page {dir w} {
3061        global browser_files browser_busy
3062
3063        if {$browser_busy($w)} return
3064        $w yview scroll $dir pages
3065        set lno [expr {int(
3066                  [lindex [$w yview] 0]
3067                * [llength $browser_files($w)]
3068                + 1)}]
3069        if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
3070                $w tag remove in_sel 0.0 end
3071                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3072                $w see $lno.0
3073        }
3074}
3075
3076proc browser_parent {w} {
3077        global browser_files browser_status browser_path
3078        global browser_stack browser_busy
3079
3080        if {$browser_busy($w)} return
3081        set info [lindex $browser_files($w) 0]
3082        if {[lindex $info 0] eq {parent}} {
3083                set parent [lindex $browser_stack($w) end-1]
3084                set browser_stack($w) [lrange $browser_stack($w) 0 end-2]
3085                if {$browser_stack($w) eq {}} {
3086                        regsub {:.*$} $browser_path($w) {:} browser_path($w)
3087                } else {
3088                        regsub {/[^/]+$} $browser_path($w) {} browser_path($w)
3089                }
3090                set browser_status($w) "Loading $browser_path($w)..."
3091                ls_tree $w [lindex $parent 0] [lindex $parent 1]
3092        }
3093}
3094
3095proc browser_enter {w} {
3096        global browser_files browser_status browser_path
3097        global browser_commit browser_stack browser_busy
3098
3099        if {$browser_busy($w)} return
3100        set lno [lindex [split [$w index in_sel.first] .] 0]
3101        set info [lindex $browser_files($w) [expr {$lno - 1}]]
3102        if {$info ne {}} {
3103                switch -- [lindex $info 0] {
3104                parent {
3105                        browser_parent $w
3106                }
3107                tree {
3108                        set name [lindex $info 2]
3109                        set escn [escape_path $name]
3110                        set browser_status($w) "Loading $escn..."
3111                        append browser_path($w) $escn
3112                        ls_tree $w [lindex $info 1] $name
3113                }
3114                blob {
3115                        set name [lindex $info 2]
3116                        set p {}
3117                        foreach n $browser_stack($w) {
3118                                append p [lindex $n 1]
3119                        }
3120                        append p $name
3121                        show_blame $browser_commit($w) $p
3122                }
3123                }
3124        }
3125}
3126
3127proc browser_click {was_double_click w pos} {
3128        global browser_files browser_busy
3129
3130        if {$browser_busy($w)} return
3131        set lno [lindex [split [$w index $pos] .] 0]
3132        focus $w
3133
3134        if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
3135                $w tag remove in_sel 0.0 end
3136                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3137                if {$was_double_click} {
3138                        browser_enter $w
3139                }
3140        }
3141}
3142
3143proc ls_tree {w tree_id name} {
3144        global browser_buffer browser_files browser_stack browser_busy
3145
3146        set browser_buffer($w) {}
3147        set browser_files($w) {}
3148        set browser_busy($w) 1
3149
3150        $w conf -state normal
3151        $w tag remove in_sel 0.0 end
3152        $w delete 0.0 end
3153        if {$browser_stack($w) ne {}} {
3154                $w image create end \
3155                        -align center -padx 5 -pady 1 \
3156                        -name icon0 \
3157                        -image file_uplevel
3158                $w insert end {[Up To Parent]}
3159                lappend browser_files($w) parent
3160        }
3161        lappend browser_stack($w) [list $tree_id $name]
3162        $w conf -state disabled
3163
3164        set cmd [list git ls-tree -z $tree_id]
3165        set fd [open "| $cmd" r]
3166        fconfigure $fd -blocking 0 -translation binary -encoding binary
3167        fileevent $fd readable [list read_ls_tree $fd $w]
3168}
3169
3170proc read_ls_tree {fd w} {
3171        global browser_buffer browser_files browser_status browser_busy
3172
3173        if {![winfo exists $w]} {
3174                catch {close $fd}
3175                return
3176        }
3177
3178        append browser_buffer($w) [read $fd]
3179        set pck [split $browser_buffer($w) "\0"]
3180        set browser_buffer($w) [lindex $pck end]
3181
3182        set n [llength $browser_files($w)]
3183        $w conf -state normal
3184        foreach p [lrange $pck 0 end-1] {
3185                set info [split $p "\t"]
3186                set path [lindex $info 1]
3187                set info [split [lindex $info 0] { }]
3188                set type [lindex $info 1]
3189                set object [lindex $info 2]
3190
3191                switch -- $type {
3192                blob {
3193                        set image file_mod
3194                }
3195                tree {
3196                        set image file_dir
3197                        append path /
3198                }
3199                default {
3200                        set image file_question
3201                }
3202                }
3203
3204                if {$n > 0} {$w insert end "\n"}
3205                $w image create end \
3206                        -align center -padx 5 -pady 1 \
3207                        -name icon[incr n] \
3208                        -image $image
3209                $w insert end [escape_path $path]
3210                lappend browser_files($w) [list $type $object $path]
3211        }
3212        $w conf -state disabled
3213
3214        if {[eof $fd]} {
3215                close $fd
3216                set browser_status($w) Ready.
3217                set browser_busy($w) 0
3218                array unset browser_buffer $w
3219                if {$n > 0} {
3220                        $w tag add in_sel 1.0 2.0
3221                        focus -force $w
3222                }
3223        }
3224}
3225
3226proc show_blame {commit path} {
3227        global next_browser_id blame_status blame_data
3228
3229        if {[winfo ismapped .]} {
3230                set w .browser[incr next_browser_id]
3231                set tl $w
3232                toplevel $w
3233        } else {
3234                set w {}
3235                set tl .
3236        }
3237        set blame_status($w) {Loading current file content...}
3238
3239        label $w.path -text "$commit:$path" \
3240                -anchor w \
3241                -justify left \
3242                -borderwidth 1 \
3243                -relief sunken \
3244                -font font_uibold
3245        pack $w.path -side top -fill x
3246
3247        frame $w.out
3248        text $w.out.loaded_t \
3249                -background white -borderwidth 0 \
3250                -state disabled \
3251                -wrap none \
3252                -height 40 \
3253                -width 1 \
3254                -font font_diff
3255        $w.out.loaded_t tag conf annotated -background grey
3256
3257        text $w.out.linenumber_t \
3258                -background white -borderwidth 0 \
3259                -state disabled \
3260                -wrap none \
3261                -height 40 \
3262                -width 5 \
3263                -font font_diff
3264        $w.out.linenumber_t tag conf linenumber -justify right
3265
3266        text $w.out.file_t \
3267                -background white -borderwidth 0 \
3268                -state disabled \
3269                -wrap none \
3270                -height 40 \
3271                -width 80 \
3272                -xscrollcommand [list $w.out.sbx set] \
3273                -font font_diff
3274
3275        scrollbar $w.out.sbx -orient h -command [list $w.out.file_t xview]
3276        scrollbar $w.out.sby -orient v \
3277                -command [list scrollbar2many [list \
3278                $w.out.loaded_t \
3279                $w.out.linenumber_t \
3280                $w.out.file_t \
3281                ] yview]
3282        grid \
3283                $w.out.linenumber_t \
3284                $w.out.loaded_t \
3285                $w.out.file_t \
3286                $w.out.sby \
3287                -sticky nsew
3288        grid conf $w.out.sbx -column 2 -sticky we
3289        grid columnconfigure $w.out 2 -weight 1
3290        grid rowconfigure $w.out 0 -weight 1
3291        pack $w.out -fill both -expand 1
3292
3293        label $w.status -textvariable blame_status($w) \
3294                -anchor w \
3295                -justify left \
3296                -borderwidth 1 \
3297                -relief sunken \
3298                -font font_ui
3299        pack $w.status -side bottom -fill x
3300
3301        frame $w.cm
3302        text $w.cm.t \
3303                -background white -borderwidth 0 \
3304                -state disabled \
3305                -wrap none \
3306                -height 10 \
3307                -width 80 \
3308                -xscrollcommand [list $w.cm.sbx set] \
3309                -yscrollcommand [list $w.cm.sby set] \
3310                -font font_diff
3311        scrollbar $w.cm.sbx -orient h -command [list $w.cm.t xview]
3312        scrollbar $w.cm.sby -orient v -command [list $w.cm.t yview]
3313        pack $w.cm.sby -side right -fill y
3314        pack $w.cm.sbx -side bottom -fill x
3315        pack $w.cm.t -expand 1 -fill both
3316        pack $w.cm -side bottom -fill x
3317
3318        menu $w.ctxm -tearoff 0
3319        $w.ctxm add command -label "Copy Commit" \
3320                -font font_ui \
3321                -command "blame_copycommit $w \$cursorW @\$cursorX,\$cursorY"
3322
3323        foreach i [list \
3324                $w.out.loaded_t \
3325                $w.out.linenumber_t \
3326                $w.out.file_t] {
3327                $i tag conf in_sel \
3328                        -background [$i cget -foreground] \
3329                        -foreground [$i cget -background]
3330                $i conf -yscrollcommand \
3331                        [list many2scrollbar [list \
3332                        $w.out.loaded_t \
3333                        $w.out.linenumber_t \
3334                        $w.out.file_t \
3335                        ] yview $w.out.sby]
3336                bind $i <Button-1> "
3337                        blame_click {$w} \\
3338                                $w.cm.t \\
3339                                $w.out.linenumber_t \\
3340                                $w.out.file_t \\
3341                                $i @%x,%y
3342                        break
3343                "
3344                bind_button3 $i "
3345                        set cursorX %x
3346                        set cursorY %y
3347                        set cursorW %W
3348                        tk_popup $w.ctxm %X %Y
3349                "
3350        }
3351
3352        bind $tl <Visibility> "focus $tl"
3353        bind $tl <Destroy> "
3354                array unset blame_status {$w}
3355                array unset blame_data $w,*
3356        "
3357        wm title $tl "[appname] ([reponame]): File Viewer"
3358
3359        set blame_data($w,commit_count) 0
3360        set blame_data($w,commit_list) {}
3361        set blame_data($w,total_lines) 0
3362        set blame_data($w,blame_lines) 0
3363        set blame_data($w,highlight_commit) {}
3364        set blame_data($w,highlight_line) -1
3365
3366        set cmd [list git cat-file blob "$commit:$path"]
3367        set fd [open "| $cmd" r]
3368        fconfigure $fd -blocking 0 -translation lf -encoding binary
3369        fileevent $fd readable [list read_blame_catfile \
3370                $fd $w $commit $path \
3371                $w.cm.t $w.out.loaded_t $w.out.linenumber_t $w.out.file_t]
3372}
3373
3374proc read_blame_catfile {fd w commit path w_cmit w_load w_line w_file} {
3375        global blame_status blame_data
3376
3377        if {![winfo exists $w_file]} {
3378                catch {close $fd}
3379                return
3380        }
3381
3382        set n $blame_data($w,total_lines)
3383        $w_load conf -state normal
3384        $w_line conf -state normal
3385        $w_file conf -state normal
3386        while {[gets $fd line] >= 0} {
3387                regsub "\r\$" $line {} line
3388                incr n
3389                $w_load insert end "\n"
3390                $w_line insert end "$n\n" linenumber
3391                $w_file insert end "$line\n"
3392        }
3393        $w_load conf -state disabled
3394        $w_line conf -state disabled
3395        $w_file conf -state disabled
3396        set blame_data($w,total_lines) $n
3397
3398        if {[eof $fd]} {
3399                close $fd
3400                blame_incremental_status $w
3401                set cmd [list git blame -M -C --incremental]
3402                lappend cmd $commit -- $path
3403                set fd [open "| $cmd" r]
3404                fconfigure $fd -blocking 0 -translation lf -encoding binary
3405                fileevent $fd readable [list read_blame_incremental $fd $w \
3406                        $w_load $w_cmit $w_line $w_file]
3407        }
3408}
3409
3410proc read_blame_incremental {fd w w_load w_cmit w_line w_file} {
3411        global blame_status blame_data
3412
3413        if {![winfo exists $w_file]} {
3414                catch {close $fd}
3415                return
3416        }
3417
3418        while {[gets $fd line] >= 0} {
3419                if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
3420                        cmit original_line final_line line_count]} {
3421                        set blame_data($w,commit) $cmit
3422                        set blame_data($w,original_line) $original_line
3423                        set blame_data($w,final_line) $final_line
3424                        set blame_data($w,line_count) $line_count
3425
3426                        if {[catch {set g $blame_data($w,$cmit,order)}]} {
3427                                $w_line tag conf g$cmit
3428                                $w_file tag conf g$cmit
3429                                $w_line tag raise in_sel
3430                                $w_file tag raise in_sel
3431                                set blame_data($w,$cmit,order) $blame_data($w,commit_count)
3432                                incr blame_data($w,commit_count)
3433                                lappend blame_data($w,commit_list) $cmit
3434                        }
3435                } elseif {[string match {filename *} $line]} {
3436                        set file [string range $line 9 end]
3437                        set n $blame_data($w,line_count)
3438                        set lno $blame_data($w,final_line)
3439                        set cmit $blame_data($w,commit)
3440
3441                        while {$n > 0} {
3442                                if {[catch {set g g$blame_data($w,line$lno,commit)}]} {
3443                                        $w_load tag add annotated $lno.0 "$lno.0 lineend + 1c"
3444                                } else {
3445                                        $w_line tag remove g$g $lno.0 "$lno.0 lineend + 1c"
3446                                        $w_file tag remove g$g $lno.0 "$lno.0 lineend + 1c"
3447                                }
3448
3449                                set blame_data($w,line$lno,commit) $cmit
3450                                set blame_data($w,line$lno,file) $file
3451                                $w_line tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
3452                                $w_file tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
3453
3454                                if {$blame_data($w,highlight_line) == -1} {
3455                                        if {[lindex [$w_file yview] 0] == 0} {
3456                                                $w_file see $lno.0
3457                                                blame_showcommit $w $w_cmit $w_line $w_file $lno
3458                                        }
3459                                } elseif {$blame_data($w,highlight_line) == $lno} {
3460                                        blame_showcommit $w $w_cmit $w_line $w_file $lno
3461                                }
3462
3463                                incr n -1
3464                                incr lno
3465                                incr blame_data($w,blame_lines)
3466                        }
3467
3468                        set hc $blame_data($w,highlight_commit)
3469                        if {$hc ne {}
3470                                && [expr {$blame_data($w,$hc,order) + 1}]
3471                                        == $blame_data($w,$cmit,order)} {
3472                                blame_showcommit $w $w_cmit $w_line $w_file \
3473                                        $blame_data($w,highlight_line)
3474                        }
3475                } elseif {[regexp {^([a-z-]+) (.*)$} $line line header data]} {
3476                        set blame_data($w,$blame_data($w,commit),$header) $data
3477                }
3478        }
3479
3480        if {[eof $fd]} {
3481                close $fd
3482                set blame_status($w) {Annotation complete.}
3483        } else {
3484                blame_incremental_status $w
3485        }
3486}
3487
3488proc blame_incremental_status {w} {
3489        global blame_status blame_data
3490
3491        set blame_status($w) [format \
3492                "Loading annotations... %i of %i lines annotated (%2i%%)" \
3493                $blame_data($w,blame_lines) \
3494                $blame_data($w,total_lines) \
3495                [expr {100 * $blame_data($w,blame_lines)
3496                        / $blame_data($w,total_lines)}]]
3497}
3498
3499proc blame_click {w w_cmit w_line w_file cur_w pos} {
3500        set lno [lindex [split [$cur_w index $pos] .] 0]
3501        if {$lno eq {}} return
3502
3503        $w_line tag remove in_sel 0.0 end
3504        $w_file tag remove in_sel 0.0 end
3505        $w_line tag add in_sel $lno.0 "$lno.0 + 1 line"
3506        $w_file tag add in_sel $lno.0 "$lno.0 + 1 line"
3507
3508        blame_showcommit $w $w_cmit $w_line $w_file $lno
3509}
3510
3511set blame_colors {
3512        #ff4040
3513        #ff40ff
3514        #4040ff
3515}
3516
3517proc blame_showcommit {w w_cmit w_line w_file lno} {
3518        global blame_colors blame_data repo_config
3519
3520        set cmit $blame_data($w,highlight_commit)
3521        if {$cmit ne {}} {
3522                set idx $blame_data($w,$cmit,order)
3523                set i 0
3524                foreach c $blame_colors {
3525                        set h [lindex $blame_data($w,commit_list) [expr {$idx - 1 + $i}]]
3526                        $w_line tag conf g$h -background white
3527                        $w_file tag conf g$h -background white
3528                        incr i
3529                }
3530        }
3531
3532        $w_cmit conf -state normal
3533        $w_cmit delete 0.0 end
3534        if {[catch {set cmit $blame_data($w,line$lno,commit)}]} {
3535                set cmit {}
3536                $w_cmit insert end "Loading annotation..."
3537        } else {
3538                set idx $blame_data($w,$cmit,order)
3539                set i 0
3540                foreach c $blame_colors {
3541                        set h [lindex $blame_data($w,commit_list) [expr {$idx - 1 + $i}]]
3542                        $w_line tag conf g$h -background $c
3543                        $w_file tag conf g$h -background $c
3544                        incr i
3545                }
3546
3547                if {[catch {set msg $blame_data($w,$cmit,message)}]} {
3548                        set msg {}
3549                        catch {
3550                                set fd [open "| git cat-file commit $cmit" r]
3551                                fconfigure $fd -encoding binary -translation lf
3552                                if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
3553                                        set enc utf-8
3554                                }
3555                                while {[gets $fd line] > 0} {
3556                                        if {[string match {encoding *} $line]} {
3557                                                set enc [string tolower [string range $line 9 end]]
3558                                        }
3559                                }
3560                                fconfigure $fd -encoding $enc
3561                                set msg [string trim [read $fd]]
3562                                close $fd
3563                        }
3564                        set blame_data($w,$cmit,message) $msg
3565                }
3566
3567                set author_name {}
3568                set author_email {}
3569                set author_time {}
3570                catch {set author_name $blame_data($w,$cmit,author)}
3571                catch {set author_email $blame_data($w,$cmit,author-mail)}
3572                catch {set author_time [clock format $blame_data($w,$cmit,author-time)]}
3573
3574                set committer_name {}
3575                set committer_email {}
3576                set committer_time {}
3577                catch {set committer_name $blame_data($w,$cmit,committer)}
3578                catch {set committer_email $blame_data($w,$cmit,committer-mail)}
3579                catch {set committer_time [clock format $blame_data($w,$cmit,committer-time)]}
3580
3581                $w_cmit insert end "commit $cmit\n"
3582                $w_cmit insert end "Author: $author_name $author_email $author_time\n"
3583                $w_cmit insert end "Committer: $committer_name $committer_email $committer_time\n"
3584                $w_cmit insert end "Original File: [escape_path $blame_data($w,line$lno,file)]\n"
3585                $w_cmit insert end "\n"
3586                $w_cmit insert end $msg
3587        }
3588        $w_cmit conf -state disabled
3589
3590        set blame_data($w,highlight_line) $lno
3591        set blame_data($w,highlight_commit) $cmit
3592}
3593
3594proc blame_copycommit {w i pos} {
3595        global blame_data
3596        set lno [lindex [split [$i index $pos] .] 0]
3597        if {![catch {set commit $blame_data($w,line$lno,commit)}]} {
3598                clipboard clear
3599                clipboard append \
3600                        -format STRING \
3601                        -type STRING \
3602                        -- $commit
3603        }
3604}
3605
3606######################################################################
3607##
3608## icons
3609
3610set filemask {
3611#define mask_width 14
3612#define mask_height 15
3613static unsigned char mask_bits[] = {
3614   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3615   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3616   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
3617}
3618
3619image create bitmap file_plain -background white -foreground black -data {
3620#define plain_width 14
3621#define plain_height 15
3622static unsigned char plain_bits[] = {
3623   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3624   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
3625   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3626} -maskdata $filemask
3627
3628image create bitmap file_mod -background white -foreground blue -data {
3629#define mod_width 14
3630#define mod_height 15
3631static unsigned char mod_bits[] = {
3632   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3633   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3634   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3635} -maskdata $filemask
3636
3637image create bitmap file_fulltick -background white -foreground "#007000" -data {
3638#define file_fulltick_width 14
3639#define file_fulltick_height 15
3640static unsigned char file_fulltick_bits[] = {
3641   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
3642   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
3643   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3644} -maskdata $filemask
3645
3646image create bitmap file_parttick -background white -foreground "#005050" -data {
3647#define parttick_width 14
3648#define parttick_height 15
3649static unsigned char parttick_bits[] = {
3650   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3651   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
3652   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3653} -maskdata $filemask
3654
3655image create bitmap file_question -background white -foreground black -data {
3656#define file_question_width 14
3657#define file_question_height 15
3658static unsigned char file_question_bits[] = {
3659   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
3660   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
3661   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3662} -maskdata $filemask
3663
3664image create bitmap file_removed -background white -foreground red -data {
3665#define file_removed_width 14
3666#define file_removed_height 15
3667static unsigned char file_removed_bits[] = {
3668   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3669   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
3670   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
3671} -maskdata $filemask
3672
3673image create bitmap file_merge -background white -foreground blue -data {
3674#define file_merge_width 14
3675#define file_merge_height 15
3676static unsigned char file_merge_bits[] = {
3677   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
3678   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3679   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3680} -maskdata $filemask
3681
3682set file_dir_data {
3683#define file_width 18
3684#define file_height 18
3685static unsigned char file_bits[] = {
3686  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00,
3687  0x0c, 0x03, 0x00, 0x04, 0xfe, 0x00, 0x06, 0x80, 0x00, 0xff, 0x9f, 0x00,
3688  0x03, 0x98, 0x00, 0x02, 0x90, 0x00, 0x06, 0xb0, 0x00, 0x04, 0xa0, 0x00,
3689  0x0c, 0xe0, 0x00, 0x08, 0xc0, 0x00, 0xf8, 0xff, 0x00, 0x00, 0x00, 0x00,
3690  0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
3691}
3692image create bitmap file_dir -background white -foreground blue \
3693        -data $file_dir_data -maskdata $file_dir_data
3694unset file_dir_data
3695
3696set file_uplevel_data {
3697#define up_width 15
3698#define up_height 15
3699static unsigned char up_bits[] = {
3700  0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,
3701  0xfe, 0x3f, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,
3702  0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00};
3703}
3704image create bitmap file_uplevel -background white -foreground red \
3705        -data $file_uplevel_data -maskdata $file_uplevel_data
3706unset file_uplevel_data
3707
3708set ui_index .vpane.files.index.list
3709set ui_workdir .vpane.files.workdir.list
3710
3711set all_icons(_$ui_index)   file_plain
3712set all_icons(A$ui_index)   file_fulltick
3713set all_icons(M$ui_index)   file_fulltick
3714set all_icons(D$ui_index)   file_removed
3715set all_icons(U$ui_index)   file_merge
3716
3717set all_icons(_$ui_workdir) file_plain
3718set all_icons(M$ui_workdir) file_mod
3719set all_icons(D$ui_workdir) file_question
3720set all_icons(U$ui_workdir) file_merge
3721set all_icons(O$ui_workdir) file_plain
3722
3723set max_status_desc 0
3724foreach i {
3725                {__ "Unmodified"}
3726
3727                {_M "Modified, not staged"}
3728                {M_ "Staged for commit"}
3729                {MM "Portions staged for commit"}
3730                {MD "Staged for commit, missing"}
3731
3732                {_O "Untracked, not staged"}
3733                {A_ "Staged for commit"}
3734                {AM "Portions staged for commit"}
3735                {AD "Staged for commit, missing"}
3736
3737                {_D "Missing"}
3738                {D_ "Staged for removal"}
3739                {DO "Staged for removal, still present"}
3740
3741                {U_ "Requires merge resolution"}
3742                {UU "Requires merge resolution"}
3743                {UM "Requires merge resolution"}
3744                {UD "Requires merge resolution"}
3745        } {
3746        if {$max_status_desc < [string length [lindex $i 1]]} {
3747                set max_status_desc [string length [lindex $i 1]]
3748        }
3749        set all_descs([lindex $i 0]) [lindex $i 1]
3750}
3751unset i
3752
3753######################################################################
3754##
3755## util
3756
3757proc bind_button3 {w cmd} {
3758        bind $w <Any-Button-3> $cmd
3759        if {[is_MacOSX]} {
3760                bind $w <Control-Button-1> $cmd
3761        }
3762}
3763
3764proc scrollbar2many {list mode args} {
3765        foreach w $list {eval $w $mode $args}
3766}
3767
3768proc many2scrollbar {list mode sb top bottom} {
3769        $sb set $top $bottom
3770        foreach w $list {$w $mode moveto $top}
3771}
3772
3773proc incr_font_size {font {amt 1}} {
3774        set sz [font configure $font -size]
3775        incr sz $amt
3776        font configure $font -size $sz
3777        font configure ${font}bold -size $sz
3778}
3779
3780proc hook_failed_popup {hook msg} {
3781        set w .hookfail
3782        toplevel $w
3783
3784        frame $w.m
3785        label $w.m.l1 -text "$hook hook failed:" \
3786                -anchor w \
3787                -justify left \
3788                -font font_uibold
3789        text $w.m.t \
3790                -background white -borderwidth 1 \
3791                -relief sunken \
3792                -width 80 -height 10 \
3793                -font font_diff \
3794                -yscrollcommand [list $w.m.sby set]
3795        label $w.m.l2 \
3796                -text {You must correct the above errors before committing.} \
3797                -anchor w \
3798                -justify left \
3799                -font font_uibold
3800        scrollbar $w.m.sby -command [list $w.m.t yview]
3801        pack $w.m.l1 -side top -fill x
3802        pack $w.m.l2 -side bottom -fill x
3803        pack $w.m.sby -side right -fill y
3804        pack $w.m.t -side left -fill both -expand 1
3805        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3806
3807        $w.m.t insert 1.0 $msg
3808        $w.m.t conf -state disabled
3809
3810        button $w.ok -text OK \
3811                -width 15 \
3812                -font font_ui \
3813                -command "destroy $w"
3814        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3815
3816        bind $w <Visibility> "grab $w; focus $w"
3817        bind $w <Key-Return> "destroy $w"
3818        wm title $w "[appname] ([reponame]): error"
3819        tkwait window $w
3820}
3821
3822set next_console_id 0
3823
3824proc new_console {short_title long_title} {
3825        global next_console_id console_data
3826        set w .console[incr next_console_id]
3827        set console_data($w) [list $short_title $long_title]
3828        return [console_init $w]
3829}
3830
3831proc console_init {w} {
3832        global console_cr console_data M1B
3833
3834        set console_cr($w) 1.0
3835        toplevel $w
3836        frame $w.m
3837        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
3838                -anchor w \
3839                -justify left \
3840                -font font_uibold
3841        text $w.m.t \
3842                -background white -borderwidth 1 \
3843                -relief sunken \
3844                -width 80 -height 10 \
3845                -font font_diff \
3846                -state disabled \
3847                -yscrollcommand [list $w.m.sby set]
3848        label $w.m.s -text {Working... please wait...} \
3849                -anchor w \
3850                -justify left \
3851                -font font_uibold
3852        scrollbar $w.m.sby -command [list $w.m.t yview]
3853        pack $w.m.l1 -side top -fill x
3854        pack $w.m.s -side bottom -fill x
3855        pack $w.m.sby -side right -fill y
3856        pack $w.m.t -side left -fill both -expand 1
3857        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3858
3859        menu $w.ctxm -tearoff 0
3860        $w.ctxm add command -label "Copy" \
3861                -font font_ui \
3862                -command "tk_textCopy $w.m.t"
3863        $w.ctxm add command -label "Select All" \
3864                -font font_ui \
3865                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
3866        $w.ctxm add command -label "Copy All" \
3867                -font font_ui \
3868                -command "
3869                        $w.m.t tag add sel 0.0 end
3870                        tk_textCopy $w.m.t
3871                        $w.m.t tag remove sel 0.0 end
3872                "
3873
3874        button $w.ok -text {Close} \
3875                -font font_ui \
3876                -state disabled \
3877                -command "destroy $w"
3878        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3879
3880        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
3881        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
3882        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
3883        bind $w <Visibility> "focus $w"
3884        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
3885        return $w
3886}
3887
3888proc console_exec {w cmd after} {
3889        # -- Cygwin's Tcl tosses the enviroment when we exec our child.
3890        #    But most users need that so we have to relogin. :-(
3891        #
3892        if {[is_Cygwin]} {
3893                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
3894        }
3895
3896        # -- Tcl won't let us redirect both stdout and stderr to
3897        #    the same pipe.  So pass it through cat...
3898        #
3899        set cmd [concat | $cmd |& cat]
3900
3901        set fd_f [open $cmd r]
3902        fconfigure $fd_f -blocking 0 -translation binary
3903        fileevent $fd_f readable [list console_read $w $fd_f $after]
3904}
3905
3906proc console_read {w fd after} {
3907        global console_cr
3908
3909        set buf [read $fd]
3910        if {$buf ne {}} {
3911                if {![winfo exists $w]} {console_init $w}
3912                $w.m.t conf -state normal
3913                set c 0
3914                set n [string length $buf]
3915                while {$c < $n} {
3916                        set cr [string first "\r" $buf $c]
3917                        set lf [string first "\n" $buf $c]
3918                        if {$cr < 0} {set cr [expr {$n + 1}]}
3919                        if {$lf < 0} {set lf [expr {$n + 1}]}
3920
3921                        if {$lf < $cr} {
3922                                $w.m.t insert end [string range $buf $c $lf]
3923                                set console_cr($w) [$w.m.t index {end -1c}]
3924                                set c $lf
3925                                incr c
3926                        } else {
3927                                $w.m.t delete $console_cr($w) end
3928                                $w.m.t insert end "\n"
3929                                $w.m.t insert end [string range $buf $c $cr]
3930                                set c $cr
3931                                incr c
3932                        }
3933                }
3934                $w.m.t conf -state disabled
3935                $w.m.t see end
3936        }
3937
3938        fconfigure $fd -blocking 1
3939        if {[eof $fd]} {
3940                if {[catch {close $fd}]} {
3941                        set ok 0
3942                } else {
3943                        set ok 1
3944                }
3945                uplevel #0 $after $w $ok
3946                return
3947        }
3948        fconfigure $fd -blocking 0
3949}
3950
3951proc console_chain {cmdlist w {ok 1}} {
3952        if {$ok} {
3953                if {[llength $cmdlist] == 0} {
3954                        console_done $w $ok
3955                        return
3956                }
3957
3958                set cmd [lindex $cmdlist 0]
3959                set cmdlist [lrange $cmdlist 1 end]
3960
3961                if {[lindex $cmd 0] eq {console_exec}} {
3962                        console_exec $w \
3963                                [lindex $cmd 1] \
3964                                [list console_chain $cmdlist]
3965                } else {
3966                        uplevel #0 $cmd $cmdlist $w $ok
3967                }
3968        } else {
3969                console_done $w $ok
3970        }
3971}
3972
3973proc console_done {args} {
3974        global console_cr console_data
3975
3976        switch -- [llength $args] {
3977        2 {
3978                set w [lindex $args 0]
3979                set ok [lindex $args 1]
3980        }
3981        3 {
3982                set w [lindex $args 1]
3983                set ok [lindex $args 2]
3984        }
3985        default {
3986                error "wrong number of args: console_done ?ignored? w ok"
3987        }
3988        }
3989
3990        if {$ok} {
3991                if {[winfo exists $w]} {
3992                        $w.m.s conf -background green -text {Success}
3993                        $w.ok conf -state normal
3994                }
3995        } else {
3996                if {![winfo exists $w]} {
3997                        console_init $w
3998                }
3999                $w.m.s conf -background red -text {Error: Command Failed}
4000                $w.ok conf -state normal
4001        }
4002
4003        array unset console_cr $w
4004        array unset console_data $w
4005}
4006
4007######################################################################
4008##
4009## ui commands
4010
4011set starting_gitk_msg {Starting gitk... please wait...}
4012
4013proc do_gitk {revs} {
4014        global env ui_status_value starting_gitk_msg
4015
4016        # -- On Windows gitk is severly broken, and right now it seems like
4017        #    nobody cares about fixing it.  The only known workaround is to
4018        #    always delete ~/.gitk before starting the program.
4019        #
4020        if {[is_Windows]} {
4021                catch {file delete [file join $env(HOME) .gitk]}
4022        }
4023
4024        # -- Always start gitk through whatever we were loaded with.  This
4025        #    lets us bypass using shell process on Windows systems.
4026        #
4027        set cmd [info nameofexecutable]
4028        lappend cmd [gitexec gitk]
4029        if {$revs ne {}} {
4030                append cmd { }
4031                append cmd $revs
4032        }
4033
4034        if {[catch {eval exec $cmd &} err]} {
4035                error_popup "Failed to start gitk:\n\n$err"
4036        } else {
4037                set ui_status_value $starting_gitk_msg
4038                after 10000 {
4039                        if {$ui_status_value eq $starting_gitk_msg} {
4040                                set ui_status_value {Ready.}
4041                        }
4042                }
4043        }
4044}
4045
4046proc do_stats {} {
4047        set fd [open "| git count-objects -v" r]
4048        while {[gets $fd line] > 0} {
4049                if {[regexp {^([^:]+): (\d+)$} $line _ name value]} {
4050                        set stats($name) $value
4051                }
4052        }
4053        close $fd
4054
4055        set packed_sz 0
4056        foreach p [glob -directory [gitdir objects pack] \
4057                -type f \
4058                -nocomplain -- *] {
4059                incr packed_sz [file size $p]
4060        }
4061        if {$packed_sz > 0} {
4062                set stats(size-pack) [expr {$packed_sz / 1024}]
4063        }
4064
4065        set w .stats_view
4066        toplevel $w
4067        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4068
4069        label $w.header -text {Database Statistics} \
4070                -font font_uibold
4071        pack $w.header -side top -fill x
4072
4073        frame $w.buttons -border 1
4074        button $w.buttons.close -text Close \
4075                -font font_ui \
4076                -command [list destroy $w]
4077        button $w.buttons.gc -text {Compress Database} \
4078                -font font_ui \
4079                -command "destroy $w;do_gc"
4080        pack $w.buttons.close -side right
4081        pack $w.buttons.gc -side left
4082        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4083
4084        frame $w.stat -borderwidth 1 -relief solid
4085        foreach s {
4086                {count           {Number of loose objects}}
4087                {size            {Disk space used by loose objects} { KiB}}
4088                {in-pack         {Number of packed objects}}
4089                {packs           {Number of packs}}
4090                {size-pack       {Disk space used by packed objects} { KiB}}
4091                {prune-packable  {Packed objects waiting for pruning}}
4092                {garbage         {Garbage files}}
4093                } {
4094                set name [lindex $s 0]
4095                set label [lindex $s 1]
4096                if {[catch {set value $stats($name)}]} continue
4097                if {[llength $s] > 2} {
4098                        set value "$value[lindex $s 2]"
4099                }
4100
4101                label $w.stat.l_$name -text "$label:" -anchor w -font font_ui
4102                label $w.stat.v_$name -text $value -anchor w -font font_ui
4103                grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
4104        }
4105        pack $w.stat -pady 10 -padx 10
4106
4107        bind $w <Visibility> "grab $w; focus $w"
4108        bind $w <Key-Escape> [list destroy $w]
4109        bind $w <Key-Return> [list destroy $w]
4110        wm title $w "[appname] ([reponame]): Database Statistics"
4111        tkwait window $w
4112}
4113
4114proc do_gc {} {
4115        set w [new_console {gc} {Compressing the object database}]
4116        console_chain {
4117                {console_exec {git pack-refs --prune}}
4118                {console_exec {git reflog expire --all}}
4119                {console_exec {git repack -a -d -l}}
4120                {console_exec {git rerere gc}}
4121        } $w
4122}
4123
4124proc do_fsck_objects {} {
4125        set w [new_console {fsck-objects} \
4126                {Verifying the object database with fsck-objects}]
4127        set cmd [list git fsck-objects]
4128        lappend cmd --full
4129        lappend cmd --cache
4130        lappend cmd --strict
4131        console_exec $w $cmd console_done
4132}
4133
4134set is_quitting 0
4135
4136proc do_quit {} {
4137        global ui_comm is_quitting repo_config commit_type
4138
4139        if {$is_quitting} return
4140        set is_quitting 1
4141
4142        if {[winfo exists $ui_comm]} {
4143                # -- Stash our current commit buffer.
4144                #
4145                set save [gitdir GITGUI_MSG]
4146                set msg [string trim [$ui_comm get 0.0 end]]
4147                regsub -all -line {[ \r\t]+$} $msg {} msg
4148                if {(![string match amend* $commit_type]
4149                        || [$ui_comm edit modified])
4150                        && $msg ne {}} {
4151                        catch {
4152                                set fd [open $save w]
4153                                puts -nonewline $fd $msg
4154                                close $fd
4155                        }
4156                } else {
4157                        catch {file delete $save}
4158                }
4159
4160                # -- Stash our current window geometry into this repository.
4161                #
4162                set cfg_geometry [list]
4163                lappend cfg_geometry [wm geometry .]
4164                lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
4165                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
4166                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
4167                        set rc_geometry {}
4168                }
4169                if {$cfg_geometry ne $rc_geometry} {
4170                        catch {exec git config gui.geometry $cfg_geometry}
4171                }
4172        }
4173
4174        destroy .
4175}
4176
4177proc do_rescan {} {
4178        rescan {set ui_status_value {Ready.}}
4179}
4180
4181proc unstage_helper {txt paths} {
4182        global file_states current_diff_path
4183
4184        if {![lock_index begin-update]} return
4185
4186        set pathList [list]
4187        set after {}
4188        foreach path $paths {
4189                switch -glob -- [lindex $file_states($path) 0] {
4190                A? -
4191                M? -
4192                D? {
4193                        lappend pathList $path
4194                        if {$path eq $current_diff_path} {
4195                                set after {reshow_diff;}
4196                        }
4197                }
4198                }
4199        }
4200        if {$pathList eq {}} {
4201                unlock_index
4202        } else {
4203                update_indexinfo \
4204                        $txt \
4205                        $pathList \
4206                        [concat $after {set ui_status_value {Ready.}}]
4207        }
4208}
4209
4210proc do_unstage_selection {} {
4211        global current_diff_path selected_paths
4212
4213        if {[array size selected_paths] > 0} {
4214                unstage_helper \
4215                        {Unstaging selected files from commit} \
4216                        [array names selected_paths]
4217        } elseif {$current_diff_path ne {}} {
4218                unstage_helper \
4219                        "Unstaging [short_path $current_diff_path] from commit" \
4220                        [list $current_diff_path]
4221        }
4222}
4223
4224proc add_helper {txt paths} {
4225        global file_states current_diff_path
4226
4227        if {![lock_index begin-update]} return
4228
4229        set pathList [list]
4230        set after {}
4231        foreach path $paths {
4232                switch -glob -- [lindex $file_states($path) 0] {
4233                _O -
4234                ?M -
4235                ?D -
4236                U? {
4237                        lappend pathList $path
4238                        if {$path eq $current_diff_path} {
4239                                set after {reshow_diff;}
4240                        }
4241                }
4242                }
4243        }
4244        if {$pathList eq {}} {
4245                unlock_index
4246        } else {
4247                update_index \
4248                        $txt \
4249                        $pathList \
4250                        [concat $after {set ui_status_value {Ready to commit.}}]
4251        }
4252}
4253
4254proc do_add_selection {} {
4255        global current_diff_path selected_paths
4256
4257        if {[array size selected_paths] > 0} {
4258                add_helper \
4259                        {Adding selected files} \
4260                        [array names selected_paths]
4261        } elseif {$current_diff_path ne {}} {
4262                add_helper \
4263                        "Adding [short_path $current_diff_path]" \
4264                        [list $current_diff_path]
4265        }
4266}
4267
4268proc do_add_all {} {
4269        global file_states
4270
4271        set paths [list]
4272        foreach path [array names file_states] {
4273                switch -glob -- [lindex $file_states($path) 0] {
4274                U? {continue}
4275                ?M -
4276                ?D {lappend paths $path}
4277                }
4278        }
4279        add_helper {Adding all changed files} $paths
4280}
4281
4282proc revert_helper {txt paths} {
4283        global file_states current_diff_path
4284
4285        if {![lock_index begin-update]} return
4286
4287        set pathList [list]
4288        set after {}
4289        foreach path $paths {
4290                switch -glob -- [lindex $file_states($path) 0] {
4291                U? {continue}
4292                ?M -
4293                ?D {
4294                        lappend pathList $path
4295                        if {$path eq $current_diff_path} {
4296                                set after {reshow_diff;}
4297                        }
4298                }
4299                }
4300        }
4301
4302        set n [llength $pathList]
4303        if {$n == 0} {
4304                unlock_index
4305                return
4306        } elseif {$n == 1} {
4307                set s "[short_path [lindex $pathList]]"
4308        } else {
4309                set s "these $n files"
4310        }
4311
4312        set reply [tk_dialog \
4313                .confirm_revert \
4314                "[appname] ([reponame])" \
4315                "Revert changes in $s?
4316
4317Any unadded changes will be permanently lost by the revert." \
4318                question \
4319                1 \
4320                {Do Nothing} \
4321                {Revert Changes} \
4322                ]
4323        if {$reply == 1} {
4324                checkout_index \
4325                        $txt \
4326                        $pathList \
4327                        [concat $after {set ui_status_value {Ready.}}]
4328        } else {
4329                unlock_index
4330        }
4331}
4332
4333proc do_revert_selection {} {
4334        global current_diff_path selected_paths
4335
4336        if {[array size selected_paths] > 0} {
4337                revert_helper \
4338                        {Reverting selected files} \
4339                        [array names selected_paths]
4340        } elseif {$current_diff_path ne {}} {
4341                revert_helper \
4342                        "Reverting [short_path $current_diff_path]" \
4343                        [list $current_diff_path]
4344        }
4345}
4346
4347proc do_signoff {} {
4348        global ui_comm
4349
4350        set me [committer_ident]
4351        if {$me eq {}} return
4352
4353        set sob "Signed-off-by: $me"
4354        set last [$ui_comm get {end -1c linestart} {end -1c}]
4355        if {$last ne $sob} {
4356                $ui_comm edit separator
4357                if {$last ne {}
4358                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
4359                        $ui_comm insert end "\n"
4360                }
4361                $ui_comm insert end "\n$sob"
4362                $ui_comm edit separator
4363                $ui_comm see end
4364        }
4365}
4366
4367proc do_select_commit_type {} {
4368        global commit_type selected_commit_type
4369
4370        if {$selected_commit_type eq {new}
4371                && [string match amend* $commit_type]} {
4372                create_new_commit
4373        } elseif {$selected_commit_type eq {amend}
4374                && ![string match amend* $commit_type]} {
4375                load_last_commit
4376
4377                # The amend request was rejected...
4378                #
4379                if {![string match amend* $commit_type]} {
4380                        set selected_commit_type new
4381                }
4382        }
4383}
4384
4385proc do_commit {} {
4386        commit_tree
4387}
4388
4389proc do_about {} {
4390        global appvers copyright
4391        global tcl_patchLevel tk_patchLevel
4392
4393        set w .about_dialog
4394        toplevel $w
4395        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4396
4397        label $w.header -text "About [appname]" \
4398                -font font_uibold
4399        pack $w.header -side top -fill x
4400
4401        frame $w.buttons
4402        button $w.buttons.close -text {Close} \
4403                -font font_ui \
4404                -command [list destroy $w]
4405        pack $w.buttons.close -side right
4406        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4407
4408        label $w.desc \
4409                -text "[appname] - a commit creation tool for Git.
4410$copyright" \
4411                -padx 5 -pady 5 \
4412                -justify left \
4413                -anchor w \
4414                -borderwidth 1 \
4415                -relief solid \
4416                -font font_ui
4417        pack $w.desc -side top -fill x -padx 5 -pady 5
4418
4419        set v {}
4420        append v "[appname] version $appvers\n"
4421        append v "[exec git version]\n"
4422        append v "\n"
4423        if {$tcl_patchLevel eq $tk_patchLevel} {
4424                append v "Tcl/Tk version $tcl_patchLevel"
4425        } else {
4426                append v "Tcl version $tcl_patchLevel"
4427                append v ", Tk version $tk_patchLevel"
4428        }
4429
4430        label $w.vers \
4431                -text $v \
4432                -padx 5 -pady 5 \
4433                -justify left \
4434                -anchor w \
4435                -borderwidth 1 \
4436                -relief solid \
4437                -font font_ui
4438        pack $w.vers -side top -fill x -padx 5 -pady 5
4439
4440        menu $w.ctxm -tearoff 0
4441        $w.ctxm add command \
4442                -label {Copy} \
4443                -font font_ui \
4444                -command "
4445                clipboard clear
4446                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
4447        "
4448
4449        bind $w <Visibility> "grab $w; focus $w"
4450        bind $w <Key-Escape> "destroy $w"
4451        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
4452        wm title $w "About [appname]"
4453        tkwait window $w
4454}
4455
4456proc do_options {} {
4457        global repo_config global_config font_descs
4458        global repo_config_new global_config_new
4459
4460        array unset repo_config_new
4461        array unset global_config_new
4462        foreach name [array names repo_config] {
4463                set repo_config_new($name) $repo_config($name)
4464        }
4465        load_config 1
4466        foreach name [array names repo_config] {
4467                switch -- $name {
4468                gui.diffcontext {continue}
4469                }
4470                set repo_config_new($name) $repo_config($name)
4471        }
4472        foreach name [array names global_config] {
4473                set global_config_new($name) $global_config($name)
4474        }
4475
4476        set w .options_editor
4477        toplevel $w
4478        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4479
4480        label $w.header -text "[appname] Options" \
4481                -font font_uibold
4482        pack $w.header -side top -fill x
4483
4484        frame $w.buttons
4485        button $w.buttons.restore -text {Restore Defaults} \
4486                -font font_ui \
4487                -command do_restore_defaults
4488        pack $w.buttons.restore -side left
4489        button $w.buttons.save -text Save \
4490                -font font_ui \
4491                -command [list do_save_config $w]
4492        pack $w.buttons.save -side right
4493        button $w.buttons.cancel -text {Cancel} \
4494                -font font_ui \
4495                -command [list destroy $w]
4496        pack $w.buttons.cancel -side right -padx 5
4497        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4498
4499        labelframe $w.repo -text "[reponame] Repository" \
4500                -font font_ui
4501        labelframe $w.global -text {Global (All Repositories)} \
4502                -font font_ui
4503        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
4504        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
4505
4506        set optid 0
4507        foreach option {
4508                {t user.name {User Name}}
4509                {t user.email {Email Address}}
4510
4511                {b merge.summary {Summarize Merge Commits}}
4512                {i-1..5 merge.verbosity {Merge Verbosity}}
4513
4514                {b gui.trustmtime  {Trust File Modification Timestamps}}
4515                {i-1..99 gui.diffcontext {Number of Diff Context Lines}}
4516                {t gui.newbranchtemplate {New Branch Name Template}}
4517                } {
4518                set type [lindex $option 0]
4519                set name [lindex $option 1]
4520                set text [lindex $option 2]
4521                incr optid
4522                foreach f {repo global} {
4523                        switch -glob -- $type {
4524                        b {
4525                                checkbutton $w.$f.$optid -text $text \
4526                                        -variable ${f}_config_new($name) \
4527                                        -onvalue true \
4528                                        -offvalue false \
4529                                        -font font_ui
4530                                pack $w.$f.$optid -side top -anchor w
4531                        }
4532                        i-* {
4533                                regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
4534                                frame $w.$f.$optid
4535                                label $w.$f.$optid.l -text "$text:" -font font_ui
4536                                pack $w.$f.$optid.l -side left -anchor w -fill x
4537                                spinbox $w.$f.$optid.v \
4538                                        -textvariable ${f}_config_new($name) \
4539                                        -from $min \
4540                                        -to $max \
4541                                        -increment 1 \
4542                                        -width [expr {1 + [string length $max]}] \
4543                                        -font font_ui
4544                                bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
4545                                pack $w.$f.$optid.v -side right -anchor e -padx 5
4546                                pack $w.$f.$optid -side top -anchor w -fill x
4547                        }
4548                        t {
4549                                frame $w.$f.$optid
4550                                label $w.$f.$optid.l -text "$text:" -font font_ui
4551                                entry $w.$f.$optid.v \
4552                                        -borderwidth 1 \
4553                                        -relief sunken \
4554                                        -width 20 \
4555                                        -textvariable ${f}_config_new($name) \
4556                                        -font font_ui
4557                                pack $w.$f.$optid.l -side left -anchor w
4558                                pack $w.$f.$optid.v -side left -anchor w \
4559                                        -fill x -expand 1 \
4560                                        -padx 5
4561                                pack $w.$f.$optid -side top -anchor w -fill x
4562                        }
4563                        }
4564                }
4565        }
4566
4567        set all_fonts [lsort [font families]]
4568        foreach option $font_descs {
4569                set name [lindex $option 0]
4570                set font [lindex $option 1]
4571                set text [lindex $option 2]
4572
4573                set global_config_new(gui.$font^^family) \
4574                        [font configure $font -family]
4575                set global_config_new(gui.$font^^size) \
4576                        [font configure $font -size]
4577
4578                frame $w.global.$name
4579                label $w.global.$name.l -text "$text:" -font font_ui
4580                pack $w.global.$name.l -side left -anchor w -fill x
4581                eval tk_optionMenu $w.global.$name.family \
4582                        global_config_new(gui.$font^^family) \
4583                        $all_fonts
4584                spinbox $w.global.$name.size \
4585                        -textvariable global_config_new(gui.$font^^size) \
4586                        -from 2 -to 80 -increment 1 \
4587                        -width 3 \
4588                        -font font_ui
4589                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
4590                pack $w.global.$name.size -side right -anchor e
4591                pack $w.global.$name.family -side right -anchor e
4592                pack $w.global.$name -side top -anchor w -fill x
4593        }
4594
4595        bind $w <Visibility> "grab $w; focus $w"
4596        bind $w <Key-Escape> "destroy $w"
4597        wm title $w "[appname] ([reponame]): Options"
4598        tkwait window $w
4599}
4600
4601proc do_restore_defaults {} {
4602        global font_descs default_config repo_config
4603        global repo_config_new global_config_new
4604
4605        foreach name [array names default_config] {
4606                set repo_config_new($name) $default_config($name)
4607                set global_config_new($name) $default_config($name)
4608        }
4609
4610        foreach option $font_descs {
4611                set name [lindex $option 0]
4612                set repo_config(gui.$name) $default_config(gui.$name)
4613        }
4614        apply_config
4615
4616        foreach option $font_descs {
4617                set name [lindex $option 0]
4618                set font [lindex $option 1]
4619                set global_config_new(gui.$font^^family) \
4620                        [font configure $font -family]
4621                set global_config_new(gui.$font^^size) \
4622                        [font configure $font -size]
4623        }
4624}
4625
4626proc do_save_config {w} {
4627        if {[catch {save_config} err]} {
4628                error_popup "Failed to completely save options:\n\n$err"
4629        }
4630        reshow_diff
4631        destroy $w
4632}
4633
4634proc do_windows_shortcut {} {
4635        global argv0
4636
4637        set fn [tk_getSaveFile \
4638                -parent . \
4639                -title "[appname] ([reponame]): Create Desktop Icon" \
4640                -initialfile "Git [reponame].bat"]
4641        if {$fn != {}} {
4642                if {[catch {
4643                                set fd [open $fn w]
4644                                puts $fd "@ECHO Entering [reponame]"
4645                                puts $fd "@ECHO Starting git-gui... please wait..."
4646                                puts $fd "@SET PATH=[file normalize [gitexec]];%PATH%"
4647                                puts $fd "@SET GIT_DIR=[file normalize [gitdir]]"
4648                                puts -nonewline $fd "@\"[info nameofexecutable]\""
4649                                puts $fd " \"[file normalize $argv0]\""
4650                                close $fd
4651                        } err]} {
4652                        error_popup "Cannot write script:\n\n$err"
4653                }
4654        }
4655}
4656
4657proc do_cygwin_shortcut {} {
4658        global argv0
4659
4660        if {[catch {
4661                set desktop [exec cygpath \
4662                        --windows \
4663                        --absolute \
4664                        --long-name \
4665                        --desktop]
4666                }]} {
4667                        set desktop .
4668        }
4669        set fn [tk_getSaveFile \
4670                -parent . \
4671                -title "[appname] ([reponame]): Create Desktop Icon" \
4672                -initialdir $desktop \
4673                -initialfile "Git [reponame].bat"]
4674        if {$fn != {}} {
4675                if {[catch {
4676                                set fd [open $fn w]
4677                                set sh [exec cygpath \
4678                                        --windows \
4679                                        --absolute \
4680                                        /bin/sh]
4681                                set me [exec cygpath \
4682                                        --unix \
4683                                        --absolute \
4684                                        $argv0]
4685                                set gd [exec cygpath \
4686                                        --unix \
4687                                        --absolute \
4688                                        [gitdir]]
4689                                set gw [exec cygpath \
4690                                        --windows \
4691                                        --absolute \
4692                                        [file dirname [gitdir]]]
4693                                regsub -all ' $me "'\\''" me
4694                                regsub -all ' $gd "'\\''" gd
4695                                puts $fd "@ECHO Entering $gw"
4696                                puts $fd "@ECHO Starting git-gui... please wait..."
4697                                puts -nonewline $fd "@\"$sh\" --login -c \""
4698                                puts -nonewline $fd "GIT_DIR='$gd'"
4699                                puts -nonewline $fd " '$me'"
4700                                puts $fd "&\""
4701                                close $fd
4702                        } err]} {
4703                        error_popup "Cannot write script:\n\n$err"
4704                }
4705        }
4706}
4707
4708proc do_macosx_app {} {
4709        global argv0 env
4710
4711        set fn [tk_getSaveFile \
4712                -parent . \
4713                -title "[appname] ([reponame]): Create Desktop Icon" \
4714                -initialdir [file join $env(HOME) Desktop] \
4715                -initialfile "Git [reponame].app"]
4716        if {$fn != {}} {
4717                if {[catch {
4718                                set Contents [file join $fn Contents]
4719                                set MacOS [file join $Contents MacOS]
4720                                set exe [file join $MacOS git-gui]
4721
4722                                file mkdir $MacOS
4723
4724                                set fd [open [file join $Contents Info.plist] w]
4725                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
4726<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
4727<plist version="1.0">
4728<dict>
4729        <key>CFBundleDevelopmentRegion</key>
4730        <string>English</string>
4731        <key>CFBundleExecutable</key>
4732        <string>git-gui</string>
4733        <key>CFBundleIdentifier</key>
4734        <string>org.spearce.git-gui</string>
4735        <key>CFBundleInfoDictionaryVersion</key>
4736        <string>6.0</string>
4737        <key>CFBundlePackageType</key>
4738        <string>APPL</string>
4739        <key>CFBundleSignature</key>
4740        <string>????</string>
4741        <key>CFBundleVersion</key>
4742        <string>1.0</string>
4743        <key>NSPrincipalClass</key>
4744        <string>NSApplication</string>
4745</dict>
4746</plist>}
4747                                close $fd
4748
4749                                set fd [open $exe w]
4750                                set gd [file normalize [gitdir]]
4751                                set ep [file normalize [gitexec]]
4752                                regsub -all ' $gd "'\\''" gd
4753                                regsub -all ' $ep "'\\''" ep
4754                                puts $fd "#!/bin/sh"
4755                                foreach name [array names env] {
4756                                        if {[string match GIT_* $name]} {
4757                                                regsub -all ' $env($name) "'\\''" v
4758                                                puts $fd "export $name='$v'"
4759                                        }
4760                                }
4761                                puts $fd "export PATH='$ep':\$PATH"
4762                                puts $fd "export GIT_DIR='$gd'"
4763                                puts $fd "exec [file normalize $argv0]"
4764                                close $fd
4765
4766                                file attributes $exe -permissions u+x,g+x,o+x
4767                        } err]} {
4768                        error_popup "Cannot write icon:\n\n$err"
4769                }
4770        }
4771}
4772
4773proc toggle_or_diff {w x y} {
4774        global file_states file_lists current_diff_path ui_index ui_workdir
4775        global last_clicked selected_paths
4776
4777        set pos [split [$w index @$x,$y] .]
4778        set lno [lindex $pos 0]
4779        set col [lindex $pos 1]
4780        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4781        if {$path eq {}} {
4782                set last_clicked {}
4783                return
4784        }
4785
4786        set last_clicked [list $w $lno]
4787        array unset selected_paths
4788        $ui_index tag remove in_sel 0.0 end
4789        $ui_workdir tag remove in_sel 0.0 end
4790
4791        if {$col == 0} {
4792                if {$current_diff_path eq $path} {
4793                        set after {reshow_diff;}
4794                } else {
4795                        set after {}
4796                }
4797                if {$w eq $ui_index} {
4798                        update_indexinfo \
4799                                "Unstaging [short_path $path] from commit" \
4800                                [list $path] \
4801                                [concat $after {set ui_status_value {Ready.}}]
4802                } elseif {$w eq $ui_workdir} {
4803                        update_index \
4804                                "Adding [short_path $path]" \
4805                                [list $path] \
4806                                [concat $after {set ui_status_value {Ready.}}]
4807                }
4808        } else {
4809                show_diff $path $w $lno
4810        }
4811}
4812
4813proc add_one_to_selection {w x y} {
4814        global file_lists last_clicked selected_paths
4815
4816        set lno [lindex [split [$w index @$x,$y] .] 0]
4817        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4818        if {$path eq {}} {
4819                set last_clicked {}
4820                return
4821        }
4822
4823        if {$last_clicked ne {}
4824                && [lindex $last_clicked 0] ne $w} {
4825                array unset selected_paths
4826                [lindex $last_clicked 0] tag remove in_sel 0.0 end
4827        }
4828
4829        set last_clicked [list $w $lno]
4830        if {[catch {set in_sel $selected_paths($path)}]} {
4831                set in_sel 0
4832        }
4833        if {$in_sel} {
4834                unset selected_paths($path)
4835                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
4836        } else {
4837                set selected_paths($path) 1
4838                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
4839        }
4840}
4841
4842proc add_range_to_selection {w x y} {
4843        global file_lists last_clicked selected_paths
4844
4845        if {[lindex $last_clicked 0] ne $w} {
4846                toggle_or_diff $w $x $y
4847                return
4848        }
4849
4850        set lno [lindex [split [$w index @$x,$y] .] 0]
4851        set lc [lindex $last_clicked 1]
4852        if {$lc < $lno} {
4853                set begin $lc
4854                set end $lno
4855        } else {
4856                set begin $lno
4857                set end $lc
4858        }
4859
4860        foreach path [lrange $file_lists($w) \
4861                [expr {$begin - 1}] \
4862                [expr {$end - 1}]] {
4863                set selected_paths($path) 1
4864        }
4865        $w tag add in_sel $begin.0 [expr {$end + 1}].0
4866}
4867
4868######################################################################
4869##
4870## config defaults
4871
4872set cursor_ptr arrow
4873font create font_diff -family Courier -size 10
4874font create font_ui
4875catch {
4876        label .dummy
4877        eval font configure font_ui [font actual [.dummy cget -font]]
4878        destroy .dummy
4879}
4880
4881font create font_uibold
4882font create font_diffbold
4883
4884if {[is_Windows]} {
4885        set M1B Control
4886        set M1T Ctrl
4887} elseif {[is_MacOSX]} {
4888        set M1B M1
4889        set M1T Cmd
4890} else {
4891        set M1B M1
4892        set M1T M1
4893}
4894
4895proc apply_config {} {
4896        global repo_config font_descs
4897
4898        foreach option $font_descs {
4899                set name [lindex $option 0]
4900                set font [lindex $option 1]
4901                if {[catch {
4902                        foreach {cn cv} $repo_config(gui.$name) {
4903                                font configure $font $cn $cv
4904                        }
4905                        } err]} {
4906                        error_popup "Invalid font specified in gui.$name:\n\n$err"
4907                }
4908                foreach {cn cv} [font configure $font] {
4909                        font configure ${font}bold $cn $cv
4910                }
4911                font configure ${font}bold -weight bold
4912        }
4913}
4914
4915set default_config(merge.summary) false
4916set default_config(merge.verbosity) 2
4917set default_config(user.name) {}
4918set default_config(user.email) {}
4919
4920set default_config(gui.trustmtime) false
4921set default_config(gui.diffcontext) 5
4922set default_config(gui.newbranchtemplate) {}
4923set default_config(gui.fontui) [font configure font_ui]
4924set default_config(gui.fontdiff) [font configure font_diff]
4925set font_descs {
4926        {fontui   font_ui   {Main Font}}
4927        {fontdiff font_diff {Diff/Console Font}}
4928}
4929load_config 0
4930apply_config
4931
4932######################################################################
4933##
4934## feature option selection
4935
4936if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
4937        unset _junk
4938} else {
4939        set subcommand gui
4940}
4941if {$subcommand eq {gui.sh}} {
4942        set subcommand gui
4943}
4944if {$subcommand eq {gui} && [llength $argv] > 0} {
4945        set subcommand [lindex $argv 0]
4946        set argv [lrange $argv 1 end]
4947}
4948
4949enable_option multicommit
4950enable_option branch
4951enable_option transport
4952
4953switch -- $subcommand {
4954blame {
4955        disable_option multicommit
4956        disable_option branch
4957        disable_option transport
4958}
4959citool {
4960        enable_option singlecommit
4961
4962        disable_option multicommit
4963        disable_option branch
4964        disable_option transport
4965}
4966}
4967
4968######################################################################
4969##
4970## ui construction
4971
4972set ui_comm {}
4973
4974# -- Menu Bar
4975#
4976menu .mbar -tearoff 0
4977.mbar add cascade -label Repository -menu .mbar.repository
4978.mbar add cascade -label Edit -menu .mbar.edit
4979if {[is_enabled branch]} {
4980        .mbar add cascade -label Branch -menu .mbar.branch
4981}
4982if {[is_enabled multicommit] || [is_enabled singlecommit]} {
4983        .mbar add cascade -label Commit -menu .mbar.commit
4984}
4985if {[is_enabled transport]} {
4986        .mbar add cascade -label Merge -menu .mbar.merge
4987        .mbar add cascade -label Fetch -menu .mbar.fetch
4988        .mbar add cascade -label Push -menu .mbar.push
4989}
4990. configure -menu .mbar
4991
4992# -- Repository Menu
4993#
4994menu .mbar.repository
4995
4996.mbar.repository add command \
4997        -label {Browse Current Branch} \
4998        -command {new_browser $current_branch} \
4999        -font font_ui
5000trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$current_branch\" ;#"
5001.mbar.repository add separator
5002
5003.mbar.repository add command \
5004        -label {Visualize Current Branch} \
5005        -command {do_gitk $current_branch} \
5006        -font font_ui
5007trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
5008.mbar.repository add command \
5009        -label {Visualize All Branches} \
5010        -command {do_gitk --all} \
5011        -font font_ui
5012.mbar.repository add separator
5013
5014if {[is_enabled multicommit]} {
5015        .mbar.repository add command -label {Database Statistics} \
5016                -command do_stats \
5017                -font font_ui
5018
5019        .mbar.repository add command -label {Compress Database} \
5020                -command do_gc \
5021                -font font_ui
5022
5023        .mbar.repository add command -label {Verify Database} \
5024                -command do_fsck_objects \
5025                -font font_ui
5026
5027        .mbar.repository add separator
5028
5029        if {[is_Cygwin]} {
5030                .mbar.repository add command \
5031                        -label {Create Desktop Icon} \
5032                        -command do_cygwin_shortcut \
5033                        -font font_ui
5034        } elseif {[is_Windows]} {
5035                .mbar.repository add command \
5036                        -label {Create Desktop Icon} \
5037                        -command do_windows_shortcut \
5038                        -font font_ui
5039        } elseif {[is_MacOSX]} {
5040                .mbar.repository add command \
5041                        -label {Create Desktop Icon} \
5042                        -command do_macosx_app \
5043                        -font font_ui
5044        }
5045}
5046
5047.mbar.repository add command -label Quit \
5048        -command do_quit \
5049        -accelerator $M1T-Q \
5050        -font font_ui
5051
5052# -- Edit Menu
5053#
5054menu .mbar.edit
5055.mbar.edit add command -label Undo \
5056        -command {catch {[focus] edit undo}} \
5057        -accelerator $M1T-Z \
5058        -font font_ui
5059.mbar.edit add command -label Redo \
5060        -command {catch {[focus] edit redo}} \
5061        -accelerator $M1T-Y \
5062        -font font_ui
5063.mbar.edit add separator
5064.mbar.edit add command -label Cut \
5065        -command {catch {tk_textCut [focus]}} \
5066        -accelerator $M1T-X \
5067        -font font_ui
5068.mbar.edit add command -label Copy \
5069        -command {catch {tk_textCopy [focus]}} \
5070        -accelerator $M1T-C \
5071        -font font_ui
5072.mbar.edit add command -label Paste \
5073        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
5074        -accelerator $M1T-V \
5075        -font font_ui
5076.mbar.edit add command -label Delete \
5077        -command {catch {[focus] delete sel.first sel.last}} \
5078        -accelerator Del \
5079        -font font_ui
5080.mbar.edit add separator
5081.mbar.edit add command -label {Select All} \
5082        -command {catch {[focus] tag add sel 0.0 end}} \
5083        -accelerator $M1T-A \
5084        -font font_ui
5085
5086# -- Branch Menu
5087#
5088if {[is_enabled branch]} {
5089        menu .mbar.branch
5090
5091        .mbar.branch add command -label {Create...} \
5092                -command do_create_branch \
5093                -accelerator $M1T-N \
5094                -font font_ui
5095        lappend disable_on_lock [list .mbar.branch entryconf \
5096                [.mbar.branch index last] -state]
5097
5098        .mbar.branch add command -label {Delete...} \
5099                -command do_delete_branch \
5100                -font font_ui
5101        lappend disable_on_lock [list .mbar.branch entryconf \
5102                [.mbar.branch index last] -state]
5103}
5104
5105# -- Commit Menu
5106#
5107if {[is_enabled multicommit] || [is_enabled singlecommit]} {
5108        menu .mbar.commit
5109
5110        .mbar.commit add radiobutton \
5111                -label {New Commit} \
5112                -command do_select_commit_type \
5113                -variable selected_commit_type \
5114                -value new \
5115                -font font_ui
5116        lappend disable_on_lock \
5117                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5118
5119        .mbar.commit add radiobutton \
5120                -label {Amend Last Commit} \
5121                -command do_select_commit_type \
5122                -variable selected_commit_type \
5123                -value amend \
5124                -font font_ui
5125        lappend disable_on_lock \
5126                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5127
5128        .mbar.commit add separator
5129
5130        .mbar.commit add command -label Rescan \
5131                -command do_rescan \
5132                -accelerator F5 \
5133                -font font_ui
5134        lappend disable_on_lock \
5135                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5136
5137        .mbar.commit add command -label {Add To Commit} \
5138                -command do_add_selection \
5139                -font font_ui
5140        lappend disable_on_lock \
5141                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5142
5143        .mbar.commit add command -label {Add Existing To Commit} \
5144                -command do_add_all \
5145                -accelerator $M1T-I \
5146                -font font_ui
5147        lappend disable_on_lock \
5148                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5149
5150        .mbar.commit add command -label {Unstage From Commit} \
5151                -command do_unstage_selection \
5152                -font font_ui
5153        lappend disable_on_lock \
5154                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5155
5156        .mbar.commit add command -label {Revert Changes} \
5157                -command do_revert_selection \
5158                -font font_ui
5159        lappend disable_on_lock \
5160                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5161
5162        .mbar.commit add separator
5163
5164        .mbar.commit add command -label {Sign Off} \
5165                -command do_signoff \
5166                -accelerator $M1T-S \
5167                -font font_ui
5168
5169        .mbar.commit add command -label Commit \
5170                -command do_commit \
5171                -accelerator $M1T-Return \
5172                -font font_ui
5173        lappend disable_on_lock \
5174                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5175}
5176
5177if {[is_MacOSX]} {
5178        # -- Apple Menu (Mac OS X only)
5179        #
5180        .mbar add cascade -label Apple -menu .mbar.apple
5181        menu .mbar.apple
5182
5183        .mbar.apple add command -label "About [appname]" \
5184                -command do_about \
5185                -font font_ui
5186        .mbar.apple add command -label "[appname] Options..." \
5187                -command do_options \
5188                -font font_ui
5189} else {
5190        # -- Edit Menu
5191        #
5192        .mbar.edit add separator
5193        .mbar.edit add command -label {Options...} \
5194                -command do_options \
5195                -font font_ui
5196
5197        # -- Tools Menu
5198        #
5199        if {[file exists /usr/local/miga/lib/gui-miga]
5200                && [file exists .pvcsrc]} {
5201        proc do_miga {} {
5202                global ui_status_value
5203                if {![lock_index update]} return
5204                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
5205                set miga_fd [open "|$cmd" r]
5206                fconfigure $miga_fd -blocking 0
5207                fileevent $miga_fd readable [list miga_done $miga_fd]
5208                set ui_status_value {Running miga...}
5209        }
5210        proc miga_done {fd} {
5211                read $fd 512
5212                if {[eof $fd]} {
5213                        close $fd
5214                        unlock_index
5215                        rescan [list set ui_status_value {Ready.}]
5216                }
5217        }
5218        .mbar add cascade -label Tools -menu .mbar.tools
5219        menu .mbar.tools
5220        .mbar.tools add command -label "Migrate" \
5221                -command do_miga \
5222                -font font_ui
5223        lappend disable_on_lock \
5224                [list .mbar.tools entryconf [.mbar.tools index last] -state]
5225        }
5226}
5227
5228# -- Help Menu
5229#
5230.mbar add cascade -label Help -menu .mbar.help
5231menu .mbar.help
5232
5233if {![is_MacOSX]} {
5234        .mbar.help add command -label "About [appname]" \
5235                -command do_about \
5236                -font font_ui
5237}
5238
5239set browser {}
5240catch {set browser $repo_config(instaweb.browser)}
5241set doc_path [file dirname [gitexec]]
5242set doc_path [file join $doc_path Documentation index.html]
5243
5244if {[is_Cygwin]} {
5245        set doc_path [exec cygpath --windows $doc_path]
5246}
5247
5248if {$browser eq {}} {
5249        if {[is_MacOSX]} {
5250                set browser open
5251        } elseif {[is_Cygwin]} {
5252                set program_files [file dirname [exec cygpath --windir]]
5253                set program_files [file join $program_files {Program Files}]
5254                set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
5255                set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
5256                if {[file exists $firefox]} {
5257                        set browser $firefox
5258                } elseif {[file exists $ie]} {
5259                        set browser $ie
5260                }
5261                unset program_files firefox ie
5262        }
5263}
5264
5265if {[file isfile $doc_path]} {
5266        set doc_url "file:$doc_path"
5267} else {
5268        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
5269}
5270
5271if {$browser ne {}} {
5272        .mbar.help add command -label {Online Documentation} \
5273                -command [list exec $browser $doc_url &] \
5274                -font font_ui
5275}
5276unset browser doc_path doc_url
5277
5278# -- Standard bindings
5279#
5280bind .   <Destroy> do_quit
5281bind all <$M1B-Key-q> do_quit
5282bind all <$M1B-Key-Q> do_quit
5283bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
5284bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
5285
5286# -- Not a normal commit type invocation?  Do that instead!
5287#
5288switch -- $subcommand {
5289blame {
5290        if {[llength $argv] != 2} {
5291                puts stderr "usage: $argv0 blame commit path"
5292                exit 1
5293        }
5294        set current_branch [lindex $argv 0]
5295        show_blame $current_branch [lindex $argv 1]
5296        return
5297}
5298citool -
5299gui {
5300        if {[llength $argv] != 0} {
5301                puts -nonewline stderr "usage: $argv0"
5302                if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
5303                        puts -nonewline stderr " $subcommand"
5304                }
5305                puts stderr {}
5306                exit 1
5307        }
5308        # fall through to setup UI for commits
5309}
5310default {
5311        puts stderr "usage: $argv0 \[{blame|citool}\]"
5312        exit 1
5313}
5314}
5315
5316# -- Branch Control
5317#
5318frame .branch \
5319        -borderwidth 1 \
5320        -relief sunken
5321label .branch.l1 \
5322        -text {Current Branch:} \
5323        -anchor w \
5324        -justify left \
5325        -font font_ui
5326label .branch.cb \
5327        -textvariable current_branch \
5328        -anchor w \
5329        -justify left \
5330        -font font_ui
5331pack .branch.l1 -side left
5332pack .branch.cb -side left -fill x
5333pack .branch -side top -fill x
5334
5335if {[is_enabled branch]} {
5336        menu .mbar.merge
5337        .mbar.merge add command -label {Local Merge...} \
5338                -command do_local_merge \
5339                -font font_ui
5340        lappend disable_on_lock \
5341                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5342        .mbar.merge add command -label {Abort Merge...} \
5343                -command do_reset_hard \
5344                -font font_ui
5345        lappend disable_on_lock \
5346                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5347
5348
5349        menu .mbar.fetch
5350
5351        menu .mbar.push
5352        .mbar.push add command -label {Push...} \
5353                -command do_push_anywhere \
5354                -font font_ui
5355}
5356
5357# -- Main Window Layout
5358#
5359panedwindow .vpane -orient vertical
5360panedwindow .vpane.files -orient horizontal
5361.vpane add .vpane.files -sticky nsew -height 100 -width 200
5362pack .vpane -anchor n -side top -fill both -expand 1
5363
5364# -- Index File List
5365#
5366frame .vpane.files.index -height 100 -width 200
5367label .vpane.files.index.title -text {Changes To Be Committed} \
5368        -background green \
5369        -font font_ui
5370text $ui_index -background white -borderwidth 0 \
5371        -width 20 -height 10 \
5372        -wrap none \
5373        -font font_ui \
5374        -cursor $cursor_ptr \
5375        -xscrollcommand {.vpane.files.index.sx set} \
5376        -yscrollcommand {.vpane.files.index.sy set} \
5377        -state disabled
5378scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
5379scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
5380pack .vpane.files.index.title -side top -fill x
5381pack .vpane.files.index.sx -side bottom -fill x
5382pack .vpane.files.index.sy -side right -fill y
5383pack $ui_index -side left -fill both -expand 1
5384.vpane.files add .vpane.files.index -sticky nsew
5385
5386# -- Working Directory File List
5387#
5388frame .vpane.files.workdir -height 100 -width 200
5389label .vpane.files.workdir.title -text {Changed But Not Updated} \
5390        -background red \
5391        -font font_ui
5392text $ui_workdir -background white -borderwidth 0 \
5393        -width 20 -height 10 \
5394        -wrap none \
5395        -font font_ui \
5396        -cursor $cursor_ptr \
5397        -xscrollcommand {.vpane.files.workdir.sx set} \
5398        -yscrollcommand {.vpane.files.workdir.sy set} \
5399        -state disabled
5400scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
5401scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
5402pack .vpane.files.workdir.title -side top -fill x
5403pack .vpane.files.workdir.sx -side bottom -fill x
5404pack .vpane.files.workdir.sy -side right -fill y
5405pack $ui_workdir -side left -fill both -expand 1
5406.vpane.files add .vpane.files.workdir -sticky nsew
5407
5408foreach i [list $ui_index $ui_workdir] {
5409        $i tag conf in_diff -font font_uibold
5410        $i tag conf in_sel \
5411                -background [$i cget -foreground] \
5412                -foreground [$i cget -background]
5413}
5414unset i
5415
5416# -- Diff and Commit Area
5417#
5418frame .vpane.lower -height 300 -width 400
5419frame .vpane.lower.commarea
5420frame .vpane.lower.diff -relief sunken -borderwidth 1
5421pack .vpane.lower.commarea -side top -fill x
5422pack .vpane.lower.diff -side bottom -fill both -expand 1
5423.vpane add .vpane.lower -sticky nsew
5424
5425# -- Commit Area Buttons
5426#
5427frame .vpane.lower.commarea.buttons
5428label .vpane.lower.commarea.buttons.l -text {} \
5429        -anchor w \
5430        -justify left \
5431        -font font_ui
5432pack .vpane.lower.commarea.buttons.l -side top -fill x
5433pack .vpane.lower.commarea.buttons -side left -fill y
5434
5435button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
5436        -command do_rescan \
5437        -font font_ui
5438pack .vpane.lower.commarea.buttons.rescan -side top -fill x
5439lappend disable_on_lock \
5440        {.vpane.lower.commarea.buttons.rescan conf -state}
5441
5442button .vpane.lower.commarea.buttons.incall -text {Add Existing} \
5443        -command do_add_all \
5444        -font font_ui
5445pack .vpane.lower.commarea.buttons.incall -side top -fill x
5446lappend disable_on_lock \
5447        {.vpane.lower.commarea.buttons.incall conf -state}
5448
5449button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
5450        -command do_signoff \
5451        -font font_ui
5452pack .vpane.lower.commarea.buttons.signoff -side top -fill x
5453
5454button .vpane.lower.commarea.buttons.commit -text {Commit} \
5455        -command do_commit \
5456        -font font_ui
5457pack .vpane.lower.commarea.buttons.commit -side top -fill x
5458lappend disable_on_lock \
5459        {.vpane.lower.commarea.buttons.commit conf -state}
5460
5461# -- Commit Message Buffer
5462#
5463frame .vpane.lower.commarea.buffer
5464frame .vpane.lower.commarea.buffer.header
5465set ui_comm .vpane.lower.commarea.buffer.t
5466set ui_coml .vpane.lower.commarea.buffer.header.l
5467radiobutton .vpane.lower.commarea.buffer.header.new \
5468        -text {New Commit} \
5469        -command do_select_commit_type \
5470        -variable selected_commit_type \
5471        -value new \
5472        -font font_ui
5473lappend disable_on_lock \
5474        [list .vpane.lower.commarea.buffer.header.new conf -state]
5475radiobutton .vpane.lower.commarea.buffer.header.amend \
5476        -text {Amend Last Commit} \
5477        -command do_select_commit_type \
5478        -variable selected_commit_type \
5479        -value amend \
5480        -font font_ui
5481lappend disable_on_lock \
5482        [list .vpane.lower.commarea.buffer.header.amend conf -state]
5483label $ui_coml \
5484        -anchor w \
5485        -justify left \
5486        -font font_ui
5487proc trace_commit_type {varname args} {
5488        global ui_coml commit_type
5489        switch -glob -- $commit_type {
5490        initial       {set txt {Initial Commit Message:}}
5491        amend         {set txt {Amended Commit Message:}}
5492        amend-initial {set txt {Amended Initial Commit Message:}}
5493        amend-merge   {set txt {Amended Merge Commit Message:}}
5494        merge         {set txt {Merge Commit Message:}}
5495        *             {set txt {Commit Message:}}
5496        }
5497        $ui_coml conf -text $txt
5498}
5499trace add variable commit_type write trace_commit_type
5500pack $ui_coml -side left -fill x
5501pack .vpane.lower.commarea.buffer.header.amend -side right
5502pack .vpane.lower.commarea.buffer.header.new -side right
5503
5504text $ui_comm -background white -borderwidth 1 \
5505        -undo true \
5506        -maxundo 20 \
5507        -autoseparators true \
5508        -relief sunken \
5509        -width 75 -height 9 -wrap none \
5510        -font font_diff \
5511        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
5512scrollbar .vpane.lower.commarea.buffer.sby \
5513        -command [list $ui_comm yview]
5514pack .vpane.lower.commarea.buffer.header -side top -fill x
5515pack .vpane.lower.commarea.buffer.sby -side right -fill y
5516pack $ui_comm -side left -fill y
5517pack .vpane.lower.commarea.buffer -side left -fill y
5518
5519# -- Commit Message Buffer Context Menu
5520#
5521set ctxm .vpane.lower.commarea.buffer.ctxm
5522menu $ctxm -tearoff 0
5523$ctxm add command \
5524        -label {Cut} \
5525        -font font_ui \
5526        -command {tk_textCut $ui_comm}
5527$ctxm add command \
5528        -label {Copy} \
5529        -font font_ui \
5530        -command {tk_textCopy $ui_comm}
5531$ctxm add command \
5532        -label {Paste} \
5533        -font font_ui \
5534        -command {tk_textPaste $ui_comm}
5535$ctxm add command \
5536        -label {Delete} \
5537        -font font_ui \
5538        -command {$ui_comm delete sel.first sel.last}
5539$ctxm add separator
5540$ctxm add command \
5541        -label {Select All} \
5542        -font font_ui \
5543        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
5544$ctxm add command \
5545        -label {Copy All} \
5546        -font font_ui \
5547        -command {
5548                $ui_comm tag add sel 0.0 end
5549                tk_textCopy $ui_comm
5550                $ui_comm tag remove sel 0.0 end
5551        }
5552$ctxm add separator
5553$ctxm add command \
5554        -label {Sign Off} \
5555        -font font_ui \
5556        -command do_signoff
5557bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
5558
5559# -- Diff Header
5560#
5561set current_diff_path {}
5562set current_diff_side {}
5563set diff_actions [list]
5564proc trace_current_diff_path {varname args} {
5565        global current_diff_path diff_actions file_states
5566        if {$current_diff_path eq {}} {
5567                set s {}
5568                set f {}
5569                set p {}
5570                set o disabled
5571        } else {
5572                set p $current_diff_path
5573                set s [mapdesc [lindex $file_states($p) 0] $p]
5574                set f {File:}
5575                set p [escape_path $p]
5576                set o normal
5577        }
5578
5579        .vpane.lower.diff.header.status configure -text $s
5580        .vpane.lower.diff.header.file configure -text $f
5581        .vpane.lower.diff.header.path configure -text $p
5582        foreach w $diff_actions {
5583                uplevel #0 $w $o
5584        }
5585}
5586trace add variable current_diff_path write trace_current_diff_path
5587
5588frame .vpane.lower.diff.header -background orange
5589label .vpane.lower.diff.header.status \
5590        -background orange \
5591        -width $max_status_desc \
5592        -anchor w \
5593        -justify left \
5594        -font font_ui
5595label .vpane.lower.diff.header.file \
5596        -background orange \
5597        -anchor w \
5598        -justify left \
5599        -font font_ui
5600label .vpane.lower.diff.header.path \
5601        -background orange \
5602        -anchor w \
5603        -justify left \
5604        -font font_ui
5605pack .vpane.lower.diff.header.status -side left
5606pack .vpane.lower.diff.header.file -side left
5607pack .vpane.lower.diff.header.path -fill x
5608set ctxm .vpane.lower.diff.header.ctxm
5609menu $ctxm -tearoff 0
5610$ctxm add command \
5611        -label {Copy} \
5612        -font font_ui \
5613        -command {
5614                clipboard clear
5615                clipboard append \
5616                        -format STRING \
5617                        -type STRING \
5618                        -- $current_diff_path
5619        }
5620lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5621bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
5622
5623# -- Diff Body
5624#
5625frame .vpane.lower.diff.body
5626set ui_diff .vpane.lower.diff.body.t
5627text $ui_diff -background white -borderwidth 0 \
5628        -width 80 -height 15 -wrap none \
5629        -font font_diff \
5630        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
5631        -yscrollcommand {.vpane.lower.diff.body.sby set} \
5632        -state disabled
5633scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
5634        -command [list $ui_diff xview]
5635scrollbar .vpane.lower.diff.body.sby -orient vertical \
5636        -command [list $ui_diff yview]
5637pack .vpane.lower.diff.body.sbx -side bottom -fill x
5638pack .vpane.lower.diff.body.sby -side right -fill y
5639pack $ui_diff -side left -fill both -expand 1
5640pack .vpane.lower.diff.header -side top -fill x
5641pack .vpane.lower.diff.body -side bottom -fill both -expand 1
5642
5643$ui_diff tag conf d_cr -elide true
5644$ui_diff tag conf d_@ -foreground blue -font font_diffbold
5645$ui_diff tag conf d_+ -foreground {#00a000}
5646$ui_diff tag conf d_- -foreground red
5647
5648$ui_diff tag conf d_++ -foreground {#00a000}
5649$ui_diff tag conf d_-- -foreground red
5650$ui_diff tag conf d_+s \
5651        -foreground {#00a000} \
5652        -background {#e2effa}
5653$ui_diff tag conf d_-s \
5654        -foreground red \
5655        -background {#e2effa}
5656$ui_diff tag conf d_s+ \
5657        -foreground {#00a000} \
5658        -background ivory1
5659$ui_diff tag conf d_s- \
5660        -foreground red \
5661        -background ivory1
5662
5663$ui_diff tag conf d<<<<<<< \
5664        -foreground orange \
5665        -font font_diffbold
5666$ui_diff tag conf d======= \
5667        -foreground orange \
5668        -font font_diffbold
5669$ui_diff tag conf d>>>>>>> \
5670        -foreground orange \
5671        -font font_diffbold
5672
5673$ui_diff tag raise sel
5674
5675# -- Diff Body Context Menu
5676#
5677set ctxm .vpane.lower.diff.body.ctxm
5678menu $ctxm -tearoff 0
5679$ctxm add command \
5680        -label {Refresh} \
5681        -font font_ui \
5682        -command reshow_diff
5683lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5684$ctxm add command \
5685        -label {Copy} \
5686        -font font_ui \
5687        -command {tk_textCopy $ui_diff}
5688lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5689$ctxm add command \
5690        -label {Select All} \
5691        -font font_ui \
5692        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
5693lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5694$ctxm add command \
5695        -label {Copy All} \
5696        -font font_ui \
5697        -command {
5698                $ui_diff tag add sel 0.0 end
5699                tk_textCopy $ui_diff
5700                $ui_diff tag remove sel 0.0 end
5701        }
5702lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5703$ctxm add separator
5704$ctxm add command \
5705        -label {Apply/Reverse Hunk} \
5706        -font font_ui \
5707        -command {apply_hunk $cursorX $cursorY}
5708set ui_diff_applyhunk [$ctxm index last]
5709lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
5710$ctxm add separator
5711$ctxm add command \
5712        -label {Decrease Font Size} \
5713        -font font_ui \
5714        -command {incr_font_size font_diff -1}
5715lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5716$ctxm add command \
5717        -label {Increase Font Size} \
5718        -font font_ui \
5719        -command {incr_font_size font_diff 1}
5720lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5721$ctxm add separator
5722$ctxm add command \
5723        -label {Show Less Context} \
5724        -font font_ui \
5725        -command {if {$repo_config(gui.diffcontext) >= 2} {
5726                incr repo_config(gui.diffcontext) -1
5727                reshow_diff
5728        }}
5729lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5730$ctxm add command \
5731        -label {Show More Context} \
5732        -font font_ui \
5733        -command {
5734                incr repo_config(gui.diffcontext)
5735                reshow_diff
5736        }
5737lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5738$ctxm add separator
5739$ctxm add command -label {Options...} \
5740        -font font_ui \
5741        -command do_options
5742bind_button3 $ui_diff "
5743        set cursorX %x
5744        set cursorY %y
5745        if {\$ui_index eq \$current_diff_side} {
5746                $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
5747        } else {
5748                $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
5749        }
5750        tk_popup $ctxm %X %Y
5751"
5752unset ui_diff_applyhunk
5753
5754# -- Status Bar
5755#
5756set ui_status_value {Initializing...}
5757label .status -textvariable ui_status_value \
5758        -anchor w \
5759        -justify left \
5760        -borderwidth 1 \
5761        -relief sunken \
5762        -font font_ui
5763pack .status -anchor w -side bottom -fill x
5764
5765# -- Load geometry
5766#
5767catch {
5768set gm $repo_config(gui.geometry)
5769wm geometry . [lindex $gm 0]
5770.vpane sash place 0 \
5771        [lindex [.vpane sash coord 0] 0] \
5772        [lindex $gm 1]
5773.vpane.files sash place 0 \
5774        [lindex $gm 2] \
5775        [lindex [.vpane.files sash coord 0] 1]
5776unset gm
5777}
5778
5779# -- Key Bindings
5780#
5781bind $ui_comm <$M1B-Key-Return> {do_commit;break}
5782bind $ui_comm <$M1B-Key-i> {do_add_all;break}
5783bind $ui_comm <$M1B-Key-I> {do_add_all;break}
5784bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
5785bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
5786bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
5787bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
5788bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
5789bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
5790bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5791bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5792
5793bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
5794bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
5795bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
5796bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
5797bind $ui_diff <$M1B-Key-v> {break}
5798bind $ui_diff <$M1B-Key-V> {break}
5799bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5800bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5801bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
5802bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
5803bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
5804bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
5805bind $ui_diff <Button-1>   {focus %W}
5806
5807if {[is_enabled branch]} {
5808        bind . <$M1B-Key-n> do_create_branch
5809        bind . <$M1B-Key-N> do_create_branch
5810}
5811
5812bind all <Key-F5> do_rescan
5813bind all <$M1B-Key-r> do_rescan
5814bind all <$M1B-Key-R> do_rescan
5815bind .   <$M1B-Key-s> do_signoff
5816bind .   <$M1B-Key-S> do_signoff
5817bind .   <$M1B-Key-i> do_add_all
5818bind .   <$M1B-Key-I> do_add_all
5819bind .   <$M1B-Key-Return> do_commit
5820foreach i [list $ui_index $ui_workdir] {
5821        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
5822        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
5823        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
5824}
5825unset i
5826
5827set file_lists($ui_index) [list]
5828set file_lists($ui_workdir) [list]
5829
5830set HEAD {}
5831set PARENT {}
5832set MERGE_HEAD [list]
5833set commit_type {}
5834set empty_tree {}
5835set current_branch {}
5836set current_diff_path {}
5837set selected_commit_type new
5838
5839wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
5840focus -force $ui_comm
5841
5842# -- Warn the user about environmental problems.  Cygwin's Tcl
5843#    does *not* pass its env array onto any processes it spawns.
5844#    This means that git processes get none of our environment.
5845#
5846if {[is_Cygwin]} {
5847        set ignored_env 0
5848        set suggest_user {}
5849        set msg "Possible environment issues exist.
5850
5851The following environment variables are probably
5852going to be ignored by any Git subprocess run
5853by [appname]:
5854
5855"
5856        foreach name [array names env] {
5857                switch -regexp -- $name {
5858                {^GIT_INDEX_FILE$} -
5859                {^GIT_OBJECT_DIRECTORY$} -
5860                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
5861                {^GIT_DIFF_OPTS$} -
5862                {^GIT_EXTERNAL_DIFF$} -
5863                {^GIT_PAGER$} -
5864                {^GIT_TRACE$} -
5865                {^GIT_CONFIG$} -
5866                {^GIT_CONFIG_LOCAL$} -
5867                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
5868                        append msg " - $name\n"
5869                        incr ignored_env
5870                }
5871                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
5872                        append msg " - $name\n"
5873                        incr ignored_env
5874                        set suggest_user $name
5875                }
5876                }
5877        }
5878        if {$ignored_env > 0} {
5879                append msg "
5880This is due to a known issue with the
5881Tcl binary distributed by Cygwin."
5882
5883                if {$suggest_user ne {}} {
5884                        append msg "
5885
5886A good replacement for $suggest_user
5887is placing values for the user.name and
5888user.email settings into your personal
5889~/.gitconfig file.
5890"
5891                }
5892                warn_popup $msg
5893        }
5894        unset ignored_env msg suggest_user name
5895}
5896
5897# -- Only initialize complex UI if we are going to stay running.
5898#
5899if {[is_enabled transport]} {
5900        load_all_remotes
5901        load_all_heads
5902
5903        populate_branch_menu
5904        populate_fetch_menu
5905        populate_push_menu
5906}
5907
5908# -- Only suggest a gc run if we are going to stay running.
5909#
5910if {[is_enabled multicommit]} {
5911        set object_limit 2000
5912        if {[is_Windows]} {set object_limit 200}
5913        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
5914        if {$objects_current >= $object_limit} {
5915                if {[ask_popup \
5916                        "This repository currently has $objects_current loose objects.
5917
5918To maintain optimal performance it is strongly
5919recommended that you compress the database
5920when more than $object_limit loose objects exist.
5921
5922Compress the database now?"] eq yes} {
5923                        do_gc
5924                }
5925        }
5926        unset object_limit _junk objects_current
5927}
5928
5929lock_index begin-read
5930after 1 do_rescan