git-gui.shon commit git-gui: Redesign the display of annotated files. (6910ae8)
   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.linenumber_t \
3249                -background white -borderwidth 0 \
3250                -state disabled \
3251                -wrap none \
3252                -height 40 \
3253                -width 5 \
3254                -font font_diff
3255        $w.out.linenumber_t tag conf annotated -background grey
3256        $w.out.linenumber_t tag conf linenumber -justify right
3257
3258        text $w.out.file_t \
3259                -background white -borderwidth 0 \
3260                -state disabled \
3261                -wrap none \
3262                -height 40 \
3263                -width 80 \
3264                -xscrollcommand [list $w.out.sbx set] \
3265                -font font_diff
3266
3267        scrollbar $w.out.sbx -orient h -command [list $w.out.file_t xview]
3268        scrollbar $w.out.sby -orient v \
3269                -command [list scrollbar2many [list \
3270                $w.out.linenumber_t \
3271                $w.out.file_t \
3272                ] yview]
3273        grid $w.out.linenumber_t $w.out.file_t $w.out.sby -sticky nsew
3274        grid conf $w.out.sbx -column 1 -sticky we
3275        grid columnconfigure $w.out 1 -weight 1
3276        grid rowconfigure $w.out 0 -weight 1
3277        pack $w.out -fill both -expand 1
3278
3279        label $w.status -textvariable blame_status($w) \
3280                -anchor w \
3281                -justify left \
3282                -borderwidth 1 \
3283                -relief sunken \
3284                -font font_ui
3285        pack $w.status -side bottom -fill x
3286
3287        frame $w.cm
3288        text $w.cm.t \
3289                -background white -borderwidth 0 \
3290                -state disabled \
3291                -wrap none \
3292                -height 10 \
3293                -width 80 \
3294                -xscrollcommand [list $w.cm.sbx set] \
3295                -yscrollcommand [list $w.cm.sby set] \
3296                -font font_diff
3297        scrollbar $w.cm.sbx -orient h -command [list $w.cm.t xview]
3298        scrollbar $w.cm.sby -orient v -command [list $w.cm.t yview]
3299        pack $w.cm.sby -side right -fill y
3300        pack $w.cm.sbx -side bottom -fill x
3301        pack $w.cm.t -expand 1 -fill both
3302        pack $w.cm -side bottom -fill x
3303
3304        menu $w.ctxm -tearoff 0
3305        $w.ctxm add command -label "Copy Commit" \
3306                -font font_ui \
3307                -command "blame_copycommit $w \$cursorW @\$cursorX,\$cursorY"
3308
3309        foreach i [list $w.out.linenumber_t $w.out.file_t] {
3310                $i tag conf in_sel \
3311                        -background [$i cget -foreground] \
3312                        -foreground [$i cget -background]
3313                $i conf -yscrollcommand \
3314                        [list many2scrollbar [list \
3315                        $w.out.linenumber_t \
3316                        $w.out.file_t \
3317                        ] yview $w.out.sby]
3318                bind $i <Button-1> "
3319                        blame_highlight {$w} \\
3320                                $w.cm.t \\
3321                                $w.out.linenumber_t \\
3322                                $w.out.file_t \\
3323                                $i @%x,%y
3324                        break
3325                "
3326                bind_button3 $i "
3327                        set cursorX %x
3328                        set cursorY %y
3329                        set cursorW %W
3330                        tk_popup $w.ctxm %X %Y
3331                "
3332        }
3333
3334        bind $tl <Visibility> "focus $tl"
3335        bind $tl <Destroy> "
3336                array unset blame_status {$w}
3337                array unset blame_data $w,*
3338        "
3339        wm title $tl "[appname] ([reponame]): File Viewer"
3340
3341        set blame_data($w,total_lines) 0
3342        set blame_data($w,blame_lines) 0
3343        set blame_data($w,highlight_commit) {}
3344        set blame_data($w,highlight_line) -1
3345        set cmd [list git cat-file blob "$commit:$path"]
3346        set fd [open "| $cmd" r]
3347        fconfigure $fd -blocking 0 -translation lf -encoding binary
3348        fileevent $fd readable [list read_blame_catfile \
3349                $fd $w $commit $path \
3350                $w.cm.t $w.out.linenumber_t $w.out.file_t]
3351}
3352
3353proc read_blame_catfile {fd w commit path w_cmit w_line w_file} {
3354        global blame_status blame_data
3355
3356        if {![winfo exists $w_file]} {
3357                catch {close $fd}
3358                return
3359        }
3360
3361        set n $blame_data($w,total_lines)
3362        $w_line conf -state normal
3363        $w_file conf -state normal
3364        while {[gets $fd line] >= 0} {
3365                regsub "\r\$" $line {} line
3366                incr n
3367                $w_line insert end "$n\n" linenumber
3368                $w_file insert end "$line\n"
3369        }
3370        $w_line conf -state disabled
3371        $w_file conf -state disabled
3372        set blame_data($w,total_lines) $n
3373
3374        if {[eof $fd]} {
3375                close $fd
3376                blame_incremental_status $w
3377                set cmd [list git blame -M -C --incremental]
3378                lappend cmd $commit -- $path
3379                set fd [open "| $cmd" r]
3380                fconfigure $fd -blocking 0 -translation lf -encoding binary
3381                fileevent $fd readable [list read_blame_incremental $fd $w \
3382                        $w_cmit $w_line $w_file]
3383        }
3384}
3385
3386proc read_blame_incremental {fd w w_cmit w_line w_file} {
3387        global blame_status blame_data
3388
3389        if {![winfo exists $w_file]} {
3390                catch {close $fd}
3391                return
3392        }
3393
3394        while {[gets $fd line] >= 0} {
3395                if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
3396                        cmit original_line final_line line_count]} {
3397                        set blame_data($w,commit) $cmit
3398                        set blame_data($w,original_line) $original_line
3399                        set blame_data($w,final_line) $final_line
3400                        set blame_data($w,line_count) $line_count
3401
3402                        if {[catch {set g $blame_data($w,$cmit,seen)}]} {
3403                                $w_line tag conf g$cmit
3404                                $w_file tag conf g$cmit
3405                                $w_line tag raise in_sel
3406                                $w_file tag raise in_sel
3407                                set blame_data($w,$cmit,seen) 1
3408                        }
3409                } elseif {[string match {filename *} $line]} {
3410                        set file [string range $line 9 end]
3411                        set n $blame_data($w,line_count)
3412                        set lno $blame_data($w,final_line)
3413                        set cmit $blame_data($w,commit)
3414
3415                        while {$n > 0} {
3416                                if {[catch {set g g$blame_data($w,line$lno,commit)}]} {
3417                                        $w_line tag add annotated $lno.0 "$lno.0 lineend + 1c"
3418                                } else {
3419                                        $w_line tag remove g$g $lno.0 "$lno.0 lineend + 1c"
3420                                        $w_file tag remove g$g $lno.0 "$lno.0 lineend + 1c"
3421                                }
3422
3423                                set blame_data($w,line$lno,commit) $cmit
3424                                set blame_data($w,line$lno,file) $file
3425                                $w_line tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
3426                                $w_file tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
3427
3428                                if {$blame_data($w,highlight_line) == $lno} {
3429                                        blame_showcommit $w $w_cmit $w_line $w_file $lno
3430                                }
3431
3432                                incr n -1
3433                                incr lno
3434                                incr blame_data($w,blame_lines)
3435                        }
3436                } elseif {[regexp {^([a-z-]+) (.*)$} $line line header data]} {
3437                        set blame_data($w,$blame_data($w,commit),$header) $data
3438                }
3439        }
3440
3441        if {[eof $fd]} {
3442                close $fd
3443                set blame_status($w) {Annotation complete.}
3444        } else {
3445                blame_incremental_status $w
3446        }
3447}
3448
3449proc blame_incremental_status {w} {
3450        global blame_status blame_data
3451
3452        set blame_status($w) [format \
3453                "Loading annotations... %i of %i lines annotated (%2i%%)" \
3454                $blame_data($w,blame_lines) \
3455                $blame_data($w,total_lines) \
3456                [expr {100 * $blame_data($w,blame_lines)
3457                        / $blame_data($w,total_lines)}]]
3458}
3459
3460proc blame_highlight {w w_cmit w_line w_file cur_w pos} {
3461        set lno [lindex [split [$cur_w index $pos] .] 0]
3462        if {$lno eq {}} return
3463
3464        $w_line tag remove in_sel 0.0 end
3465        $w_file tag remove in_sel 0.0 end
3466        $w_line tag add in_sel $lno.0 "$lno.0 + 1 line"
3467        $w_file tag add in_sel $lno.0 "$lno.0 + 1 line"
3468
3469        blame_showcommit $w $w_cmit $w_line $w_file $lno
3470}
3471
3472proc blame_showcommit {w w_cmit w_line w_file lno} {
3473        global blame_data repo_config
3474
3475        set cmit $blame_data($w,highlight_commit)
3476        if {$cmit ne {}} {
3477                $w_line tag conf g$cmit -background white
3478                $w_file tag conf g$cmit -background white
3479                $w_line tag raise annotated g$cmit
3480        }
3481
3482        $w_cmit conf -state normal
3483        $w_cmit delete 0.0 end
3484        if {[catch {set cmit $blame_data($w,line$lno,commit)}]} {
3485                set cmit {}
3486                $w_cmit insert end "Computing..."
3487        } else {
3488                $w_line tag conf g$cmit -background yellow
3489                $w_file tag conf g$cmit -background yellow
3490                $w_line tag raise g$cmit annotated
3491
3492                if {[catch {set msg $blame_data($w,$cmit,message)}]} {
3493                        set msg {}
3494                        catch {
3495                                set fd [open "| git cat-file commit $cmit" r]
3496                                fconfigure $fd -encoding binary -translation lf
3497                                if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
3498                                        set enc utf-8
3499                                }
3500                                while {[gets $fd line] > 0} {
3501                                        if {[string match {encoding *} $line]} {
3502                                                set enc [string tolower [string range $line 9 end]]
3503                                        }
3504                                }
3505                                fconfigure $fd -encoding $enc
3506                                set msg [string trim [read $fd]]
3507                                close $fd
3508                        }
3509                        set blame_data($w,$cmit,message) $msg
3510                }
3511
3512                set author_name {}
3513                set author_email {}
3514                set author_time {}
3515                catch {set author_name $blame_data($w,$cmit,author)}
3516                catch {set author_email $blame_data($w,$cmit,author-mail)}
3517                catch {set author_time [clock format $blame_data($w,$cmit,author-time)]}
3518
3519                set committer_name {}
3520                set committer_email {}
3521                set committer_time {}
3522                catch {set committer_name $blame_data($w,$cmit,committer)}
3523                catch {set committer_email $blame_data($w,$cmit,committer-mail)}
3524                catch {set committer_time [clock format $blame_data($w,$cmit,committer-time)]}
3525
3526                $w_cmit insert end "commit $cmit\n"
3527                $w_cmit insert end "Author: $author_name $author_email $author_time\n"
3528                $w_cmit insert end "Committer: $committer_name $committer_email $committer_time\n"
3529                $w_cmit insert end "Original File: [escape_path $blame_data($w,line$lno,file)]\n"
3530                $w_cmit insert end "\n"
3531                $w_cmit insert end $msg
3532        }
3533        $w_cmit conf -state disabled
3534
3535        set blame_data($w,highlight_line) $lno
3536        set blame_data($w,highlight_commit) $cmit
3537}
3538
3539proc blame_copycommit {w i pos} {
3540        global blame_data
3541        set lno [lindex [split [$i index $pos] .] 0]
3542        if {![catch {set commit $blame_data($w,line$lno,commit)}]} {
3543                clipboard clear
3544                clipboard append \
3545                        -format STRING \
3546                        -type STRING \
3547                        -- $commit
3548        }
3549}
3550
3551######################################################################
3552##
3553## icons
3554
3555set filemask {
3556#define mask_width 14
3557#define mask_height 15
3558static unsigned char mask_bits[] = {
3559   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3560   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3561   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
3562}
3563
3564image create bitmap file_plain -background white -foreground black -data {
3565#define plain_width 14
3566#define plain_height 15
3567static unsigned char plain_bits[] = {
3568   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3569   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
3570   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3571} -maskdata $filemask
3572
3573image create bitmap file_mod -background white -foreground blue -data {
3574#define mod_width 14
3575#define mod_height 15
3576static unsigned char mod_bits[] = {
3577   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3578   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3579   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3580} -maskdata $filemask
3581
3582image create bitmap file_fulltick -background white -foreground "#007000" -data {
3583#define file_fulltick_width 14
3584#define file_fulltick_height 15
3585static unsigned char file_fulltick_bits[] = {
3586   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
3587   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
3588   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3589} -maskdata $filemask
3590
3591image create bitmap file_parttick -background white -foreground "#005050" -data {
3592#define parttick_width 14
3593#define parttick_height 15
3594static unsigned char parttick_bits[] = {
3595   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3596   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
3597   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3598} -maskdata $filemask
3599
3600image create bitmap file_question -background white -foreground black -data {
3601#define file_question_width 14
3602#define file_question_height 15
3603static unsigned char file_question_bits[] = {
3604   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
3605   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
3606   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3607} -maskdata $filemask
3608
3609image create bitmap file_removed -background white -foreground red -data {
3610#define file_removed_width 14
3611#define file_removed_height 15
3612static unsigned char file_removed_bits[] = {
3613   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3614   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
3615   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
3616} -maskdata $filemask
3617
3618image create bitmap file_merge -background white -foreground blue -data {
3619#define file_merge_width 14
3620#define file_merge_height 15
3621static unsigned char file_merge_bits[] = {
3622   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
3623   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3624   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3625} -maskdata $filemask
3626
3627set file_dir_data {
3628#define file_width 18
3629#define file_height 18
3630static unsigned char file_bits[] = {
3631  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00,
3632  0x0c, 0x03, 0x00, 0x04, 0xfe, 0x00, 0x06, 0x80, 0x00, 0xff, 0x9f, 0x00,
3633  0x03, 0x98, 0x00, 0x02, 0x90, 0x00, 0x06, 0xb0, 0x00, 0x04, 0xa0, 0x00,
3634  0x0c, 0xe0, 0x00, 0x08, 0xc0, 0x00, 0xf8, 0xff, 0x00, 0x00, 0x00, 0x00,
3635  0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
3636}
3637image create bitmap file_dir -background white -foreground blue \
3638        -data $file_dir_data -maskdata $file_dir_data
3639unset file_dir_data
3640
3641set file_uplevel_data {
3642#define up_width 15
3643#define up_height 15
3644static unsigned char up_bits[] = {
3645  0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,
3646  0xfe, 0x3f, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,
3647  0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00};
3648}
3649image create bitmap file_uplevel -background white -foreground red \
3650        -data $file_uplevel_data -maskdata $file_uplevel_data
3651unset file_uplevel_data
3652
3653set ui_index .vpane.files.index.list
3654set ui_workdir .vpane.files.workdir.list
3655
3656set all_icons(_$ui_index)   file_plain
3657set all_icons(A$ui_index)   file_fulltick
3658set all_icons(M$ui_index)   file_fulltick
3659set all_icons(D$ui_index)   file_removed
3660set all_icons(U$ui_index)   file_merge
3661
3662set all_icons(_$ui_workdir) file_plain
3663set all_icons(M$ui_workdir) file_mod
3664set all_icons(D$ui_workdir) file_question
3665set all_icons(U$ui_workdir) file_merge
3666set all_icons(O$ui_workdir) file_plain
3667
3668set max_status_desc 0
3669foreach i {
3670                {__ "Unmodified"}
3671
3672                {_M "Modified, not staged"}
3673                {M_ "Staged for commit"}
3674                {MM "Portions staged for commit"}
3675                {MD "Staged for commit, missing"}
3676
3677                {_O "Untracked, not staged"}
3678                {A_ "Staged for commit"}
3679                {AM "Portions staged for commit"}
3680                {AD "Staged for commit, missing"}
3681
3682                {_D "Missing"}
3683                {D_ "Staged for removal"}
3684                {DO "Staged for removal, still present"}
3685
3686                {U_ "Requires merge resolution"}
3687                {UU "Requires merge resolution"}
3688                {UM "Requires merge resolution"}
3689                {UD "Requires merge resolution"}
3690        } {
3691        if {$max_status_desc < [string length [lindex $i 1]]} {
3692                set max_status_desc [string length [lindex $i 1]]
3693        }
3694        set all_descs([lindex $i 0]) [lindex $i 1]
3695}
3696unset i
3697
3698######################################################################
3699##
3700## util
3701
3702proc bind_button3 {w cmd} {
3703        bind $w <Any-Button-3> $cmd
3704        if {[is_MacOSX]} {
3705                bind $w <Control-Button-1> $cmd
3706        }
3707}
3708
3709proc scrollbar2many {list mode args} {
3710        foreach w $list {eval $w $mode $args}
3711}
3712
3713proc many2scrollbar {list mode sb top bottom} {
3714        $sb set $top $bottom
3715        foreach w $list {$w $mode moveto $top}
3716}
3717
3718proc incr_font_size {font {amt 1}} {
3719        set sz [font configure $font -size]
3720        incr sz $amt
3721        font configure $font -size $sz
3722        font configure ${font}bold -size $sz
3723}
3724
3725proc hook_failed_popup {hook msg} {
3726        set w .hookfail
3727        toplevel $w
3728
3729        frame $w.m
3730        label $w.m.l1 -text "$hook hook failed:" \
3731                -anchor w \
3732                -justify left \
3733                -font font_uibold
3734        text $w.m.t \
3735                -background white -borderwidth 1 \
3736                -relief sunken \
3737                -width 80 -height 10 \
3738                -font font_diff \
3739                -yscrollcommand [list $w.m.sby set]
3740        label $w.m.l2 \
3741                -text {You must correct the above errors before committing.} \
3742                -anchor w \
3743                -justify left \
3744                -font font_uibold
3745        scrollbar $w.m.sby -command [list $w.m.t yview]
3746        pack $w.m.l1 -side top -fill x
3747        pack $w.m.l2 -side bottom -fill x
3748        pack $w.m.sby -side right -fill y
3749        pack $w.m.t -side left -fill both -expand 1
3750        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3751
3752        $w.m.t insert 1.0 $msg
3753        $w.m.t conf -state disabled
3754
3755        button $w.ok -text OK \
3756                -width 15 \
3757                -font font_ui \
3758                -command "destroy $w"
3759        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3760
3761        bind $w <Visibility> "grab $w; focus $w"
3762        bind $w <Key-Return> "destroy $w"
3763        wm title $w "[appname] ([reponame]): error"
3764        tkwait window $w
3765}
3766
3767set next_console_id 0
3768
3769proc new_console {short_title long_title} {
3770        global next_console_id console_data
3771        set w .console[incr next_console_id]
3772        set console_data($w) [list $short_title $long_title]
3773        return [console_init $w]
3774}
3775
3776proc console_init {w} {
3777        global console_cr console_data M1B
3778
3779        set console_cr($w) 1.0
3780        toplevel $w
3781        frame $w.m
3782        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
3783                -anchor w \
3784                -justify left \
3785                -font font_uibold
3786        text $w.m.t \
3787                -background white -borderwidth 1 \
3788                -relief sunken \
3789                -width 80 -height 10 \
3790                -font font_diff \
3791                -state disabled \
3792                -yscrollcommand [list $w.m.sby set]
3793        label $w.m.s -text {Working... please wait...} \
3794                -anchor w \
3795                -justify left \
3796                -font font_uibold
3797        scrollbar $w.m.sby -command [list $w.m.t yview]
3798        pack $w.m.l1 -side top -fill x
3799        pack $w.m.s -side bottom -fill x
3800        pack $w.m.sby -side right -fill y
3801        pack $w.m.t -side left -fill both -expand 1
3802        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3803
3804        menu $w.ctxm -tearoff 0
3805        $w.ctxm add command -label "Copy" \
3806                -font font_ui \
3807                -command "tk_textCopy $w.m.t"
3808        $w.ctxm add command -label "Select All" \
3809                -font font_ui \
3810                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
3811        $w.ctxm add command -label "Copy All" \
3812                -font font_ui \
3813                -command "
3814                        $w.m.t tag add sel 0.0 end
3815                        tk_textCopy $w.m.t
3816                        $w.m.t tag remove sel 0.0 end
3817                "
3818
3819        button $w.ok -text {Close} \
3820                -font font_ui \
3821                -state disabled \
3822                -command "destroy $w"
3823        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3824
3825        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
3826        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
3827        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
3828        bind $w <Visibility> "focus $w"
3829        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
3830        return $w
3831}
3832
3833proc console_exec {w cmd after} {
3834        # -- Cygwin's Tcl tosses the enviroment when we exec our child.
3835        #    But most users need that so we have to relogin. :-(
3836        #
3837        if {[is_Cygwin]} {
3838                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
3839        }
3840
3841        # -- Tcl won't let us redirect both stdout and stderr to
3842        #    the same pipe.  So pass it through cat...
3843        #
3844        set cmd [concat | $cmd |& cat]
3845
3846        set fd_f [open $cmd r]
3847        fconfigure $fd_f -blocking 0 -translation binary
3848        fileevent $fd_f readable [list console_read $w $fd_f $after]
3849}
3850
3851proc console_read {w fd after} {
3852        global console_cr
3853
3854        set buf [read $fd]
3855        if {$buf ne {}} {
3856                if {![winfo exists $w]} {console_init $w}
3857                $w.m.t conf -state normal
3858                set c 0
3859                set n [string length $buf]
3860                while {$c < $n} {
3861                        set cr [string first "\r" $buf $c]
3862                        set lf [string first "\n" $buf $c]
3863                        if {$cr < 0} {set cr [expr {$n + 1}]}
3864                        if {$lf < 0} {set lf [expr {$n + 1}]}
3865
3866                        if {$lf < $cr} {
3867                                $w.m.t insert end [string range $buf $c $lf]
3868                                set console_cr($w) [$w.m.t index {end -1c}]
3869                                set c $lf
3870                                incr c
3871                        } else {
3872                                $w.m.t delete $console_cr($w) end
3873                                $w.m.t insert end "\n"
3874                                $w.m.t insert end [string range $buf $c $cr]
3875                                set c $cr
3876                                incr c
3877                        }
3878                }
3879                $w.m.t conf -state disabled
3880                $w.m.t see end
3881        }
3882
3883        fconfigure $fd -blocking 1
3884        if {[eof $fd]} {
3885                if {[catch {close $fd}]} {
3886                        set ok 0
3887                } else {
3888                        set ok 1
3889                }
3890                uplevel #0 $after $w $ok
3891                return
3892        }
3893        fconfigure $fd -blocking 0
3894}
3895
3896proc console_chain {cmdlist w {ok 1}} {
3897        if {$ok} {
3898                if {[llength $cmdlist] == 0} {
3899                        console_done $w $ok
3900                        return
3901                }
3902
3903                set cmd [lindex $cmdlist 0]
3904                set cmdlist [lrange $cmdlist 1 end]
3905
3906                if {[lindex $cmd 0] eq {console_exec}} {
3907                        console_exec $w \
3908                                [lindex $cmd 1] \
3909                                [list console_chain $cmdlist]
3910                } else {
3911                        uplevel #0 $cmd $cmdlist $w $ok
3912                }
3913        } else {
3914                console_done $w $ok
3915        }
3916}
3917
3918proc console_done {args} {
3919        global console_cr console_data
3920
3921        switch -- [llength $args] {
3922        2 {
3923                set w [lindex $args 0]
3924                set ok [lindex $args 1]
3925        }
3926        3 {
3927                set w [lindex $args 1]
3928                set ok [lindex $args 2]
3929        }
3930        default {
3931                error "wrong number of args: console_done ?ignored? w ok"
3932        }
3933        }
3934
3935        if {$ok} {
3936                if {[winfo exists $w]} {
3937                        $w.m.s conf -background green -text {Success}
3938                        $w.ok conf -state normal
3939                }
3940        } else {
3941                if {![winfo exists $w]} {
3942                        console_init $w
3943                }
3944                $w.m.s conf -background red -text {Error: Command Failed}
3945                $w.ok conf -state normal
3946        }
3947
3948        array unset console_cr $w
3949        array unset console_data $w
3950}
3951
3952######################################################################
3953##
3954## ui commands
3955
3956set starting_gitk_msg {Starting gitk... please wait...}
3957
3958proc do_gitk {revs} {
3959        global env ui_status_value starting_gitk_msg
3960
3961        # -- On Windows gitk is severly broken, and right now it seems like
3962        #    nobody cares about fixing it.  The only known workaround is to
3963        #    always delete ~/.gitk before starting the program.
3964        #
3965        if {[is_Windows]} {
3966                catch {file delete [file join $env(HOME) .gitk]}
3967        }
3968
3969        # -- Always start gitk through whatever we were loaded with.  This
3970        #    lets us bypass using shell process on Windows systems.
3971        #
3972        set cmd [info nameofexecutable]
3973        lappend cmd [gitexec gitk]
3974        if {$revs ne {}} {
3975                append cmd { }
3976                append cmd $revs
3977        }
3978
3979        if {[catch {eval exec $cmd &} err]} {
3980                error_popup "Failed to start gitk:\n\n$err"
3981        } else {
3982                set ui_status_value $starting_gitk_msg
3983                after 10000 {
3984                        if {$ui_status_value eq $starting_gitk_msg} {
3985                                set ui_status_value {Ready.}
3986                        }
3987                }
3988        }
3989}
3990
3991proc do_stats {} {
3992        set fd [open "| git count-objects -v" r]
3993        while {[gets $fd line] > 0} {
3994                if {[regexp {^([^:]+): (\d+)$} $line _ name value]} {
3995                        set stats($name) $value
3996                }
3997        }
3998        close $fd
3999
4000        set packed_sz 0
4001        foreach p [glob -directory [gitdir objects pack] \
4002                -type f \
4003                -nocomplain -- *] {
4004                incr packed_sz [file size $p]
4005        }
4006        if {$packed_sz > 0} {
4007                set stats(size-pack) [expr {$packed_sz / 1024}]
4008        }
4009
4010        set w .stats_view
4011        toplevel $w
4012        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4013
4014        label $w.header -text {Database Statistics} \
4015                -font font_uibold
4016        pack $w.header -side top -fill x
4017
4018        frame $w.buttons -border 1
4019        button $w.buttons.close -text Close \
4020                -font font_ui \
4021                -command [list destroy $w]
4022        button $w.buttons.gc -text {Compress Database} \
4023                -font font_ui \
4024                -command "destroy $w;do_gc"
4025        pack $w.buttons.close -side right
4026        pack $w.buttons.gc -side left
4027        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4028
4029        frame $w.stat -borderwidth 1 -relief solid
4030        foreach s {
4031                {count           {Number of loose objects}}
4032                {size            {Disk space used by loose objects} { KiB}}
4033                {in-pack         {Number of packed objects}}
4034                {packs           {Number of packs}}
4035                {size-pack       {Disk space used by packed objects} { KiB}}
4036                {prune-packable  {Packed objects waiting for pruning}}
4037                {garbage         {Garbage files}}
4038                } {
4039                set name [lindex $s 0]
4040                set label [lindex $s 1]
4041                if {[catch {set value $stats($name)}]} continue
4042                if {[llength $s] > 2} {
4043                        set value "$value[lindex $s 2]"
4044                }
4045
4046                label $w.stat.l_$name -text "$label:" -anchor w -font font_ui
4047                label $w.stat.v_$name -text $value -anchor w -font font_ui
4048                grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
4049        }
4050        pack $w.stat -pady 10 -padx 10
4051
4052        bind $w <Visibility> "grab $w; focus $w"
4053        bind $w <Key-Escape> [list destroy $w]
4054        bind $w <Key-Return> [list destroy $w]
4055        wm title $w "[appname] ([reponame]): Database Statistics"
4056        tkwait window $w
4057}
4058
4059proc do_gc {} {
4060        set w [new_console {gc} {Compressing the object database}]
4061        console_chain {
4062                {console_exec {git pack-refs --prune}}
4063                {console_exec {git reflog expire --all}}
4064                {console_exec {git repack -a -d -l}}
4065                {console_exec {git rerere gc}}
4066        } $w
4067}
4068
4069proc do_fsck_objects {} {
4070        set w [new_console {fsck-objects} \
4071                {Verifying the object database with fsck-objects}]
4072        set cmd [list git fsck-objects]
4073        lappend cmd --full
4074        lappend cmd --cache
4075        lappend cmd --strict
4076        console_exec $w $cmd console_done
4077}
4078
4079set is_quitting 0
4080
4081proc do_quit {} {
4082        global ui_comm is_quitting repo_config commit_type
4083
4084        if {$is_quitting} return
4085        set is_quitting 1
4086
4087        if {[winfo exists $ui_comm]} {
4088                # -- Stash our current commit buffer.
4089                #
4090                set save [gitdir GITGUI_MSG]
4091                set msg [string trim [$ui_comm get 0.0 end]]
4092                regsub -all -line {[ \r\t]+$} $msg {} msg
4093                if {(![string match amend* $commit_type]
4094                        || [$ui_comm edit modified])
4095                        && $msg ne {}} {
4096                        catch {
4097                                set fd [open $save w]
4098                                puts -nonewline $fd $msg
4099                                close $fd
4100                        }
4101                } else {
4102                        catch {file delete $save}
4103                }
4104
4105                # -- Stash our current window geometry into this repository.
4106                #
4107                set cfg_geometry [list]
4108                lappend cfg_geometry [wm geometry .]
4109                lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
4110                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
4111                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
4112                        set rc_geometry {}
4113                }
4114                if {$cfg_geometry ne $rc_geometry} {
4115                        catch {exec git config gui.geometry $cfg_geometry}
4116                }
4117        }
4118
4119        destroy .
4120}
4121
4122proc do_rescan {} {
4123        rescan {set ui_status_value {Ready.}}
4124}
4125
4126proc unstage_helper {txt paths} {
4127        global file_states current_diff_path
4128
4129        if {![lock_index begin-update]} return
4130
4131        set pathList [list]
4132        set after {}
4133        foreach path $paths {
4134                switch -glob -- [lindex $file_states($path) 0] {
4135                A? -
4136                M? -
4137                D? {
4138                        lappend pathList $path
4139                        if {$path eq $current_diff_path} {
4140                                set after {reshow_diff;}
4141                        }
4142                }
4143                }
4144        }
4145        if {$pathList eq {}} {
4146                unlock_index
4147        } else {
4148                update_indexinfo \
4149                        $txt \
4150                        $pathList \
4151                        [concat $after {set ui_status_value {Ready.}}]
4152        }
4153}
4154
4155proc do_unstage_selection {} {
4156        global current_diff_path selected_paths
4157
4158        if {[array size selected_paths] > 0} {
4159                unstage_helper \
4160                        {Unstaging selected files from commit} \
4161                        [array names selected_paths]
4162        } elseif {$current_diff_path ne {}} {
4163                unstage_helper \
4164                        "Unstaging [short_path $current_diff_path] from commit" \
4165                        [list $current_diff_path]
4166        }
4167}
4168
4169proc add_helper {txt paths} {
4170        global file_states current_diff_path
4171
4172        if {![lock_index begin-update]} return
4173
4174        set pathList [list]
4175        set after {}
4176        foreach path $paths {
4177                switch -glob -- [lindex $file_states($path) 0] {
4178                _O -
4179                ?M -
4180                ?D -
4181                U? {
4182                        lappend pathList $path
4183                        if {$path eq $current_diff_path} {
4184                                set after {reshow_diff;}
4185                        }
4186                }
4187                }
4188        }
4189        if {$pathList eq {}} {
4190                unlock_index
4191        } else {
4192                update_index \
4193                        $txt \
4194                        $pathList \
4195                        [concat $after {set ui_status_value {Ready to commit.}}]
4196        }
4197}
4198
4199proc do_add_selection {} {
4200        global current_diff_path selected_paths
4201
4202        if {[array size selected_paths] > 0} {
4203                add_helper \
4204                        {Adding selected files} \
4205                        [array names selected_paths]
4206        } elseif {$current_diff_path ne {}} {
4207                add_helper \
4208                        "Adding [short_path $current_diff_path]" \
4209                        [list $current_diff_path]
4210        }
4211}
4212
4213proc do_add_all {} {
4214        global file_states
4215
4216        set paths [list]
4217        foreach path [array names file_states] {
4218                switch -glob -- [lindex $file_states($path) 0] {
4219                U? {continue}
4220                ?M -
4221                ?D {lappend paths $path}
4222                }
4223        }
4224        add_helper {Adding all changed files} $paths
4225}
4226
4227proc revert_helper {txt paths} {
4228        global file_states current_diff_path
4229
4230        if {![lock_index begin-update]} return
4231
4232        set pathList [list]
4233        set after {}
4234        foreach path $paths {
4235                switch -glob -- [lindex $file_states($path) 0] {
4236                U? {continue}
4237                ?M -
4238                ?D {
4239                        lappend pathList $path
4240                        if {$path eq $current_diff_path} {
4241                                set after {reshow_diff;}
4242                        }
4243                }
4244                }
4245        }
4246
4247        set n [llength $pathList]
4248        if {$n == 0} {
4249                unlock_index
4250                return
4251        } elseif {$n == 1} {
4252                set s "[short_path [lindex $pathList]]"
4253        } else {
4254                set s "these $n files"
4255        }
4256
4257        set reply [tk_dialog \
4258                .confirm_revert \
4259                "[appname] ([reponame])" \
4260                "Revert changes in $s?
4261
4262Any unadded changes will be permanently lost by the revert." \
4263                question \
4264                1 \
4265                {Do Nothing} \
4266                {Revert Changes} \
4267                ]
4268        if {$reply == 1} {
4269                checkout_index \
4270                        $txt \
4271                        $pathList \
4272                        [concat $after {set ui_status_value {Ready.}}]
4273        } else {
4274                unlock_index
4275        }
4276}
4277
4278proc do_revert_selection {} {
4279        global current_diff_path selected_paths
4280
4281        if {[array size selected_paths] > 0} {
4282                revert_helper \
4283                        {Reverting selected files} \
4284                        [array names selected_paths]
4285        } elseif {$current_diff_path ne {}} {
4286                revert_helper \
4287                        "Reverting [short_path $current_diff_path]" \
4288                        [list $current_diff_path]
4289        }
4290}
4291
4292proc do_signoff {} {
4293        global ui_comm
4294
4295        set me [committer_ident]
4296        if {$me eq {}} return
4297
4298        set sob "Signed-off-by: $me"
4299        set last [$ui_comm get {end -1c linestart} {end -1c}]
4300        if {$last ne $sob} {
4301                $ui_comm edit separator
4302                if {$last ne {}
4303                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
4304                        $ui_comm insert end "\n"
4305                }
4306                $ui_comm insert end "\n$sob"
4307                $ui_comm edit separator
4308                $ui_comm see end
4309        }
4310}
4311
4312proc do_select_commit_type {} {
4313        global commit_type selected_commit_type
4314
4315        if {$selected_commit_type eq {new}
4316                && [string match amend* $commit_type]} {
4317                create_new_commit
4318        } elseif {$selected_commit_type eq {amend}
4319                && ![string match amend* $commit_type]} {
4320                load_last_commit
4321
4322                # The amend request was rejected...
4323                #
4324                if {![string match amend* $commit_type]} {
4325                        set selected_commit_type new
4326                }
4327        }
4328}
4329
4330proc do_commit {} {
4331        commit_tree
4332}
4333
4334proc do_about {} {
4335        global appvers copyright
4336        global tcl_patchLevel tk_patchLevel
4337
4338        set w .about_dialog
4339        toplevel $w
4340        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4341
4342        label $w.header -text "About [appname]" \
4343                -font font_uibold
4344        pack $w.header -side top -fill x
4345
4346        frame $w.buttons
4347        button $w.buttons.close -text {Close} \
4348                -font font_ui \
4349                -command [list destroy $w]
4350        pack $w.buttons.close -side right
4351        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4352
4353        label $w.desc \
4354                -text "[appname] - a commit creation tool for Git.
4355$copyright" \
4356                -padx 5 -pady 5 \
4357                -justify left \
4358                -anchor w \
4359                -borderwidth 1 \
4360                -relief solid \
4361                -font font_ui
4362        pack $w.desc -side top -fill x -padx 5 -pady 5
4363
4364        set v {}
4365        append v "[appname] version $appvers\n"
4366        append v "[exec git version]\n"
4367        append v "\n"
4368        if {$tcl_patchLevel eq $tk_patchLevel} {
4369                append v "Tcl/Tk version $tcl_patchLevel"
4370        } else {
4371                append v "Tcl version $tcl_patchLevel"
4372                append v ", Tk version $tk_patchLevel"
4373        }
4374
4375        label $w.vers \
4376                -text $v \
4377                -padx 5 -pady 5 \
4378                -justify left \
4379                -anchor w \
4380                -borderwidth 1 \
4381                -relief solid \
4382                -font font_ui
4383        pack $w.vers -side top -fill x -padx 5 -pady 5
4384
4385        menu $w.ctxm -tearoff 0
4386        $w.ctxm add command \
4387                -label {Copy} \
4388                -font font_ui \
4389                -command "
4390                clipboard clear
4391                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
4392        "
4393
4394        bind $w <Visibility> "grab $w; focus $w"
4395        bind $w <Key-Escape> "destroy $w"
4396        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
4397        wm title $w "About [appname]"
4398        tkwait window $w
4399}
4400
4401proc do_options {} {
4402        global repo_config global_config font_descs
4403        global repo_config_new global_config_new
4404
4405        array unset repo_config_new
4406        array unset global_config_new
4407        foreach name [array names repo_config] {
4408                set repo_config_new($name) $repo_config($name)
4409        }
4410        load_config 1
4411        foreach name [array names repo_config] {
4412                switch -- $name {
4413                gui.diffcontext {continue}
4414                }
4415                set repo_config_new($name) $repo_config($name)
4416        }
4417        foreach name [array names global_config] {
4418                set global_config_new($name) $global_config($name)
4419        }
4420
4421        set w .options_editor
4422        toplevel $w
4423        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4424
4425        label $w.header -text "[appname] Options" \
4426                -font font_uibold
4427        pack $w.header -side top -fill x
4428
4429        frame $w.buttons
4430        button $w.buttons.restore -text {Restore Defaults} \
4431                -font font_ui \
4432                -command do_restore_defaults
4433        pack $w.buttons.restore -side left
4434        button $w.buttons.save -text Save \
4435                -font font_ui \
4436                -command [list do_save_config $w]
4437        pack $w.buttons.save -side right
4438        button $w.buttons.cancel -text {Cancel} \
4439                -font font_ui \
4440                -command [list destroy $w]
4441        pack $w.buttons.cancel -side right -padx 5
4442        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4443
4444        labelframe $w.repo -text "[reponame] Repository" \
4445                -font font_ui
4446        labelframe $w.global -text {Global (All Repositories)} \
4447                -font font_ui
4448        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
4449        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
4450
4451        set optid 0
4452        foreach option {
4453                {t user.name {User Name}}
4454                {t user.email {Email Address}}
4455
4456                {b merge.summary {Summarize Merge Commits}}
4457                {i-1..5 merge.verbosity {Merge Verbosity}}
4458
4459                {b gui.trustmtime  {Trust File Modification Timestamps}}
4460                {i-1..99 gui.diffcontext {Number of Diff Context Lines}}
4461                {t gui.newbranchtemplate {New Branch Name Template}}
4462                } {
4463                set type [lindex $option 0]
4464                set name [lindex $option 1]
4465                set text [lindex $option 2]
4466                incr optid
4467                foreach f {repo global} {
4468                        switch -glob -- $type {
4469                        b {
4470                                checkbutton $w.$f.$optid -text $text \
4471                                        -variable ${f}_config_new($name) \
4472                                        -onvalue true \
4473                                        -offvalue false \
4474                                        -font font_ui
4475                                pack $w.$f.$optid -side top -anchor w
4476                        }
4477                        i-* {
4478                                regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
4479                                frame $w.$f.$optid
4480                                label $w.$f.$optid.l -text "$text:" -font font_ui
4481                                pack $w.$f.$optid.l -side left -anchor w -fill x
4482                                spinbox $w.$f.$optid.v \
4483                                        -textvariable ${f}_config_new($name) \
4484                                        -from $min \
4485                                        -to $max \
4486                                        -increment 1 \
4487                                        -width [expr {1 + [string length $max]}] \
4488                                        -font font_ui
4489                                bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
4490                                pack $w.$f.$optid.v -side right -anchor e -padx 5
4491                                pack $w.$f.$optid -side top -anchor w -fill x
4492                        }
4493                        t {
4494                                frame $w.$f.$optid
4495                                label $w.$f.$optid.l -text "$text:" -font font_ui
4496                                entry $w.$f.$optid.v \
4497                                        -borderwidth 1 \
4498                                        -relief sunken \
4499                                        -width 20 \
4500                                        -textvariable ${f}_config_new($name) \
4501                                        -font font_ui
4502                                pack $w.$f.$optid.l -side left -anchor w
4503                                pack $w.$f.$optid.v -side left -anchor w \
4504                                        -fill x -expand 1 \
4505                                        -padx 5
4506                                pack $w.$f.$optid -side top -anchor w -fill x
4507                        }
4508                        }
4509                }
4510        }
4511
4512        set all_fonts [lsort [font families]]
4513        foreach option $font_descs {
4514                set name [lindex $option 0]
4515                set font [lindex $option 1]
4516                set text [lindex $option 2]
4517
4518                set global_config_new(gui.$font^^family) \
4519                        [font configure $font -family]
4520                set global_config_new(gui.$font^^size) \
4521                        [font configure $font -size]
4522
4523                frame $w.global.$name
4524                label $w.global.$name.l -text "$text:" -font font_ui
4525                pack $w.global.$name.l -side left -anchor w -fill x
4526                eval tk_optionMenu $w.global.$name.family \
4527                        global_config_new(gui.$font^^family) \
4528                        $all_fonts
4529                spinbox $w.global.$name.size \
4530                        -textvariable global_config_new(gui.$font^^size) \
4531                        -from 2 -to 80 -increment 1 \
4532                        -width 3 \
4533                        -font font_ui
4534                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
4535                pack $w.global.$name.size -side right -anchor e
4536                pack $w.global.$name.family -side right -anchor e
4537                pack $w.global.$name -side top -anchor w -fill x
4538        }
4539
4540        bind $w <Visibility> "grab $w; focus $w"
4541        bind $w <Key-Escape> "destroy $w"
4542        wm title $w "[appname] ([reponame]): Options"
4543        tkwait window $w
4544}
4545
4546proc do_restore_defaults {} {
4547        global font_descs default_config repo_config
4548        global repo_config_new global_config_new
4549
4550        foreach name [array names default_config] {
4551                set repo_config_new($name) $default_config($name)
4552                set global_config_new($name) $default_config($name)
4553        }
4554
4555        foreach option $font_descs {
4556                set name [lindex $option 0]
4557                set repo_config(gui.$name) $default_config(gui.$name)
4558        }
4559        apply_config
4560
4561        foreach option $font_descs {
4562                set name [lindex $option 0]
4563                set font [lindex $option 1]
4564                set global_config_new(gui.$font^^family) \
4565                        [font configure $font -family]
4566                set global_config_new(gui.$font^^size) \
4567                        [font configure $font -size]
4568        }
4569}
4570
4571proc do_save_config {w} {
4572        if {[catch {save_config} err]} {
4573                error_popup "Failed to completely save options:\n\n$err"
4574        }
4575        reshow_diff
4576        destroy $w
4577}
4578
4579proc do_windows_shortcut {} {
4580        global argv0
4581
4582        set fn [tk_getSaveFile \
4583                -parent . \
4584                -title "[appname] ([reponame]): Create Desktop Icon" \
4585                -initialfile "Git [reponame].bat"]
4586        if {$fn != {}} {
4587                if {[catch {
4588                                set fd [open $fn w]
4589                                puts $fd "@ECHO Entering [reponame]"
4590                                puts $fd "@ECHO Starting git-gui... please wait..."
4591                                puts $fd "@SET PATH=[file normalize [gitexec]];%PATH%"
4592                                puts $fd "@SET GIT_DIR=[file normalize [gitdir]]"
4593                                puts -nonewline $fd "@\"[info nameofexecutable]\""
4594                                puts $fd " \"[file normalize $argv0]\""
4595                                close $fd
4596                        } err]} {
4597                        error_popup "Cannot write script:\n\n$err"
4598                }
4599        }
4600}
4601
4602proc do_cygwin_shortcut {} {
4603        global argv0
4604
4605        if {[catch {
4606                set desktop [exec cygpath \
4607                        --windows \
4608                        --absolute \
4609                        --long-name \
4610                        --desktop]
4611                }]} {
4612                        set desktop .
4613        }
4614        set fn [tk_getSaveFile \
4615                -parent . \
4616                -title "[appname] ([reponame]): Create Desktop Icon" \
4617                -initialdir $desktop \
4618                -initialfile "Git [reponame].bat"]
4619        if {$fn != {}} {
4620                if {[catch {
4621                                set fd [open $fn w]
4622                                set sh [exec cygpath \
4623                                        --windows \
4624                                        --absolute \
4625                                        /bin/sh]
4626                                set me [exec cygpath \
4627                                        --unix \
4628                                        --absolute \
4629                                        $argv0]
4630                                set gd [exec cygpath \
4631                                        --unix \
4632                                        --absolute \
4633                                        [gitdir]]
4634                                set gw [exec cygpath \
4635                                        --windows \
4636                                        --absolute \
4637                                        [file dirname [gitdir]]]
4638                                regsub -all ' $me "'\\''" me
4639                                regsub -all ' $gd "'\\''" gd
4640                                puts $fd "@ECHO Entering $gw"
4641                                puts $fd "@ECHO Starting git-gui... please wait..."
4642                                puts -nonewline $fd "@\"$sh\" --login -c \""
4643                                puts -nonewline $fd "GIT_DIR='$gd'"
4644                                puts -nonewline $fd " '$me'"
4645                                puts $fd "&\""
4646                                close $fd
4647                        } err]} {
4648                        error_popup "Cannot write script:\n\n$err"
4649                }
4650        }
4651}
4652
4653proc do_macosx_app {} {
4654        global argv0 env
4655
4656        set fn [tk_getSaveFile \
4657                -parent . \
4658                -title "[appname] ([reponame]): Create Desktop Icon" \
4659                -initialdir [file join $env(HOME) Desktop] \
4660                -initialfile "Git [reponame].app"]
4661        if {$fn != {}} {
4662                if {[catch {
4663                                set Contents [file join $fn Contents]
4664                                set MacOS [file join $Contents MacOS]
4665                                set exe [file join $MacOS git-gui]
4666
4667                                file mkdir $MacOS
4668
4669                                set fd [open [file join $Contents Info.plist] w]
4670                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
4671<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
4672<plist version="1.0">
4673<dict>
4674        <key>CFBundleDevelopmentRegion</key>
4675        <string>English</string>
4676        <key>CFBundleExecutable</key>
4677        <string>git-gui</string>
4678        <key>CFBundleIdentifier</key>
4679        <string>org.spearce.git-gui</string>
4680        <key>CFBundleInfoDictionaryVersion</key>
4681        <string>6.0</string>
4682        <key>CFBundlePackageType</key>
4683        <string>APPL</string>
4684        <key>CFBundleSignature</key>
4685        <string>????</string>
4686        <key>CFBundleVersion</key>
4687        <string>1.0</string>
4688        <key>NSPrincipalClass</key>
4689        <string>NSApplication</string>
4690</dict>
4691</plist>}
4692                                close $fd
4693
4694                                set fd [open $exe w]
4695                                set gd [file normalize [gitdir]]
4696                                set ep [file normalize [gitexec]]
4697                                regsub -all ' $gd "'\\''" gd
4698                                regsub -all ' $ep "'\\''" ep
4699                                puts $fd "#!/bin/sh"
4700                                foreach name [array names env] {
4701                                        if {[string match GIT_* $name]} {
4702                                                regsub -all ' $env($name) "'\\''" v
4703                                                puts $fd "export $name='$v'"
4704                                        }
4705                                }
4706                                puts $fd "export PATH='$ep':\$PATH"
4707                                puts $fd "export GIT_DIR='$gd'"
4708                                puts $fd "exec [file normalize $argv0]"
4709                                close $fd
4710
4711                                file attributes $exe -permissions u+x,g+x,o+x
4712                        } err]} {
4713                        error_popup "Cannot write icon:\n\n$err"
4714                }
4715        }
4716}
4717
4718proc toggle_or_diff {w x y} {
4719        global file_states file_lists current_diff_path ui_index ui_workdir
4720        global last_clicked selected_paths
4721
4722        set pos [split [$w index @$x,$y] .]
4723        set lno [lindex $pos 0]
4724        set col [lindex $pos 1]
4725        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4726        if {$path eq {}} {
4727                set last_clicked {}
4728                return
4729        }
4730
4731        set last_clicked [list $w $lno]
4732        array unset selected_paths
4733        $ui_index tag remove in_sel 0.0 end
4734        $ui_workdir tag remove in_sel 0.0 end
4735
4736        if {$col == 0} {
4737                if {$current_diff_path eq $path} {
4738                        set after {reshow_diff;}
4739                } else {
4740                        set after {}
4741                }
4742                if {$w eq $ui_index} {
4743                        update_indexinfo \
4744                                "Unstaging [short_path $path] from commit" \
4745                                [list $path] \
4746                                [concat $after {set ui_status_value {Ready.}}]
4747                } elseif {$w eq $ui_workdir} {
4748                        update_index \
4749                                "Adding [short_path $path]" \
4750                                [list $path] \
4751                                [concat $after {set ui_status_value {Ready.}}]
4752                }
4753        } else {
4754                show_diff $path $w $lno
4755        }
4756}
4757
4758proc add_one_to_selection {w x y} {
4759        global file_lists last_clicked selected_paths
4760
4761        set lno [lindex [split [$w index @$x,$y] .] 0]
4762        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4763        if {$path eq {}} {
4764                set last_clicked {}
4765                return
4766        }
4767
4768        if {$last_clicked ne {}
4769                && [lindex $last_clicked 0] ne $w} {
4770                array unset selected_paths
4771                [lindex $last_clicked 0] tag remove in_sel 0.0 end
4772        }
4773
4774        set last_clicked [list $w $lno]
4775        if {[catch {set in_sel $selected_paths($path)}]} {
4776                set in_sel 0
4777        }
4778        if {$in_sel} {
4779                unset selected_paths($path)
4780                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
4781        } else {
4782                set selected_paths($path) 1
4783                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
4784        }
4785}
4786
4787proc add_range_to_selection {w x y} {
4788        global file_lists last_clicked selected_paths
4789
4790        if {[lindex $last_clicked 0] ne $w} {
4791                toggle_or_diff $w $x $y
4792                return
4793        }
4794
4795        set lno [lindex [split [$w index @$x,$y] .] 0]
4796        set lc [lindex $last_clicked 1]
4797        if {$lc < $lno} {
4798                set begin $lc
4799                set end $lno
4800        } else {
4801                set begin $lno
4802                set end $lc
4803        }
4804
4805        foreach path [lrange $file_lists($w) \
4806                [expr {$begin - 1}] \
4807                [expr {$end - 1}]] {
4808                set selected_paths($path) 1
4809        }
4810        $w tag add in_sel $begin.0 [expr {$end + 1}].0
4811}
4812
4813######################################################################
4814##
4815## config defaults
4816
4817set cursor_ptr arrow
4818font create font_diff -family Courier -size 10
4819font create font_ui
4820catch {
4821        label .dummy
4822        eval font configure font_ui [font actual [.dummy cget -font]]
4823        destroy .dummy
4824}
4825
4826font create font_uibold
4827font create font_diffbold
4828
4829if {[is_Windows]} {
4830        set M1B Control
4831        set M1T Ctrl
4832} elseif {[is_MacOSX]} {
4833        set M1B M1
4834        set M1T Cmd
4835} else {
4836        set M1B M1
4837        set M1T M1
4838}
4839
4840proc apply_config {} {
4841        global repo_config font_descs
4842
4843        foreach option $font_descs {
4844                set name [lindex $option 0]
4845                set font [lindex $option 1]
4846                if {[catch {
4847                        foreach {cn cv} $repo_config(gui.$name) {
4848                                font configure $font $cn $cv
4849                        }
4850                        } err]} {
4851                        error_popup "Invalid font specified in gui.$name:\n\n$err"
4852                }
4853                foreach {cn cv} [font configure $font] {
4854                        font configure ${font}bold $cn $cv
4855                }
4856                font configure ${font}bold -weight bold
4857        }
4858}
4859
4860set default_config(merge.summary) false
4861set default_config(merge.verbosity) 2
4862set default_config(user.name) {}
4863set default_config(user.email) {}
4864
4865set default_config(gui.trustmtime) false
4866set default_config(gui.diffcontext) 5
4867set default_config(gui.newbranchtemplate) {}
4868set default_config(gui.fontui) [font configure font_ui]
4869set default_config(gui.fontdiff) [font configure font_diff]
4870set font_descs {
4871        {fontui   font_ui   {Main Font}}
4872        {fontdiff font_diff {Diff/Console Font}}
4873}
4874load_config 0
4875apply_config
4876
4877######################################################################
4878##
4879## feature option selection
4880
4881if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
4882        unset _junk
4883} else {
4884        set subcommand gui
4885}
4886if {$subcommand eq {gui.sh}} {
4887        set subcommand gui
4888}
4889if {$subcommand eq {gui} && [llength $argv] > 0} {
4890        set subcommand [lindex $argv 0]
4891        set argv [lrange $argv 1 end]
4892}
4893
4894enable_option multicommit
4895enable_option branch
4896enable_option transport
4897
4898switch -- $subcommand {
4899blame {
4900        disable_option multicommit
4901        disable_option branch
4902        disable_option transport
4903}
4904citool {
4905        enable_option singlecommit
4906
4907        disable_option multicommit
4908        disable_option branch
4909        disable_option transport
4910}
4911}
4912
4913######################################################################
4914##
4915## ui construction
4916
4917set ui_comm {}
4918
4919# -- Menu Bar
4920#
4921menu .mbar -tearoff 0
4922.mbar add cascade -label Repository -menu .mbar.repository
4923.mbar add cascade -label Edit -menu .mbar.edit
4924if {[is_enabled branch]} {
4925        .mbar add cascade -label Branch -menu .mbar.branch
4926}
4927if {[is_enabled multicommit] || [is_enabled singlecommit]} {
4928        .mbar add cascade -label Commit -menu .mbar.commit
4929}
4930if {[is_enabled transport]} {
4931        .mbar add cascade -label Merge -menu .mbar.merge
4932        .mbar add cascade -label Fetch -menu .mbar.fetch
4933        .mbar add cascade -label Push -menu .mbar.push
4934}
4935. configure -menu .mbar
4936
4937# -- Repository Menu
4938#
4939menu .mbar.repository
4940
4941.mbar.repository add command \
4942        -label {Browse Current Branch} \
4943        -command {new_browser $current_branch} \
4944        -font font_ui
4945trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$current_branch\" ;#"
4946.mbar.repository add separator
4947
4948.mbar.repository add command \
4949        -label {Visualize Current Branch} \
4950        -command {do_gitk $current_branch} \
4951        -font font_ui
4952trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
4953.mbar.repository add command \
4954        -label {Visualize All Branches} \
4955        -command {do_gitk --all} \
4956        -font font_ui
4957.mbar.repository add separator
4958
4959if {[is_enabled multicommit]} {
4960        .mbar.repository add command -label {Database Statistics} \
4961                -command do_stats \
4962                -font font_ui
4963
4964        .mbar.repository add command -label {Compress Database} \
4965                -command do_gc \
4966                -font font_ui
4967
4968        .mbar.repository add command -label {Verify Database} \
4969                -command do_fsck_objects \
4970                -font font_ui
4971
4972        .mbar.repository add separator
4973
4974        if {[is_Cygwin]} {
4975                .mbar.repository add command \
4976                        -label {Create Desktop Icon} \
4977                        -command do_cygwin_shortcut \
4978                        -font font_ui
4979        } elseif {[is_Windows]} {
4980                .mbar.repository add command \
4981                        -label {Create Desktop Icon} \
4982                        -command do_windows_shortcut \
4983                        -font font_ui
4984        } elseif {[is_MacOSX]} {
4985                .mbar.repository add command \
4986                        -label {Create Desktop Icon} \
4987                        -command do_macosx_app \
4988                        -font font_ui
4989        }
4990}
4991
4992.mbar.repository add command -label Quit \
4993        -command do_quit \
4994        -accelerator $M1T-Q \
4995        -font font_ui
4996
4997# -- Edit Menu
4998#
4999menu .mbar.edit
5000.mbar.edit add command -label Undo \
5001        -command {catch {[focus] edit undo}} \
5002        -accelerator $M1T-Z \
5003        -font font_ui
5004.mbar.edit add command -label Redo \
5005        -command {catch {[focus] edit redo}} \
5006        -accelerator $M1T-Y \
5007        -font font_ui
5008.mbar.edit add separator
5009.mbar.edit add command -label Cut \
5010        -command {catch {tk_textCut [focus]}} \
5011        -accelerator $M1T-X \
5012        -font font_ui
5013.mbar.edit add command -label Copy \
5014        -command {catch {tk_textCopy [focus]}} \
5015        -accelerator $M1T-C \
5016        -font font_ui
5017.mbar.edit add command -label Paste \
5018        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
5019        -accelerator $M1T-V \
5020        -font font_ui
5021.mbar.edit add command -label Delete \
5022        -command {catch {[focus] delete sel.first sel.last}} \
5023        -accelerator Del \
5024        -font font_ui
5025.mbar.edit add separator
5026.mbar.edit add command -label {Select All} \
5027        -command {catch {[focus] tag add sel 0.0 end}} \
5028        -accelerator $M1T-A \
5029        -font font_ui
5030
5031# -- Branch Menu
5032#
5033if {[is_enabled branch]} {
5034        menu .mbar.branch
5035
5036        .mbar.branch add command -label {Create...} \
5037                -command do_create_branch \
5038                -accelerator $M1T-N \
5039                -font font_ui
5040        lappend disable_on_lock [list .mbar.branch entryconf \
5041                [.mbar.branch index last] -state]
5042
5043        .mbar.branch add command -label {Delete...} \
5044                -command do_delete_branch \
5045                -font font_ui
5046        lappend disable_on_lock [list .mbar.branch entryconf \
5047                [.mbar.branch index last] -state]
5048}
5049
5050# -- Commit Menu
5051#
5052if {[is_enabled multicommit] || [is_enabled singlecommit]} {
5053        menu .mbar.commit
5054
5055        .mbar.commit add radiobutton \
5056                -label {New Commit} \
5057                -command do_select_commit_type \
5058                -variable selected_commit_type \
5059                -value new \
5060                -font font_ui
5061        lappend disable_on_lock \
5062                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5063
5064        .mbar.commit add radiobutton \
5065                -label {Amend Last Commit} \
5066                -command do_select_commit_type \
5067                -variable selected_commit_type \
5068                -value amend \
5069                -font font_ui
5070        lappend disable_on_lock \
5071                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5072
5073        .mbar.commit add separator
5074
5075        .mbar.commit add command -label Rescan \
5076                -command do_rescan \
5077                -accelerator F5 \
5078                -font font_ui
5079        lappend disable_on_lock \
5080                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5081
5082        .mbar.commit add command -label {Add To Commit} \
5083                -command do_add_selection \
5084                -font font_ui
5085        lappend disable_on_lock \
5086                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5087
5088        .mbar.commit add command -label {Add Existing To Commit} \
5089                -command do_add_all \
5090                -accelerator $M1T-I \
5091                -font font_ui
5092        lappend disable_on_lock \
5093                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5094
5095        .mbar.commit add command -label {Unstage From Commit} \
5096                -command do_unstage_selection \
5097                -font font_ui
5098        lappend disable_on_lock \
5099                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5100
5101        .mbar.commit add command -label {Revert Changes} \
5102                -command do_revert_selection \
5103                -font font_ui
5104        lappend disable_on_lock \
5105                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5106
5107        .mbar.commit add separator
5108
5109        .mbar.commit add command -label {Sign Off} \
5110                -command do_signoff \
5111                -accelerator $M1T-S \
5112                -font font_ui
5113
5114        .mbar.commit add command -label Commit \
5115                -command do_commit \
5116                -accelerator $M1T-Return \
5117                -font font_ui
5118        lappend disable_on_lock \
5119                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5120}
5121
5122if {[is_MacOSX]} {
5123        # -- Apple Menu (Mac OS X only)
5124        #
5125        .mbar add cascade -label Apple -menu .mbar.apple
5126        menu .mbar.apple
5127
5128        .mbar.apple add command -label "About [appname]" \
5129                -command do_about \
5130                -font font_ui
5131        .mbar.apple add command -label "[appname] Options..." \
5132                -command do_options \
5133                -font font_ui
5134} else {
5135        # -- Edit Menu
5136        #
5137        .mbar.edit add separator
5138        .mbar.edit add command -label {Options...} \
5139                -command do_options \
5140                -font font_ui
5141
5142        # -- Tools Menu
5143        #
5144        if {[file exists /usr/local/miga/lib/gui-miga]
5145                && [file exists .pvcsrc]} {
5146        proc do_miga {} {
5147                global ui_status_value
5148                if {![lock_index update]} return
5149                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
5150                set miga_fd [open "|$cmd" r]
5151                fconfigure $miga_fd -blocking 0
5152                fileevent $miga_fd readable [list miga_done $miga_fd]
5153                set ui_status_value {Running miga...}
5154        }
5155        proc miga_done {fd} {
5156                read $fd 512
5157                if {[eof $fd]} {
5158                        close $fd
5159                        unlock_index
5160                        rescan [list set ui_status_value {Ready.}]
5161                }
5162        }
5163        .mbar add cascade -label Tools -menu .mbar.tools
5164        menu .mbar.tools
5165        .mbar.tools add command -label "Migrate" \
5166                -command do_miga \
5167                -font font_ui
5168        lappend disable_on_lock \
5169                [list .mbar.tools entryconf [.mbar.tools index last] -state]
5170        }
5171}
5172
5173# -- Help Menu
5174#
5175.mbar add cascade -label Help -menu .mbar.help
5176menu .mbar.help
5177
5178if {![is_MacOSX]} {
5179        .mbar.help add command -label "About [appname]" \
5180                -command do_about \
5181                -font font_ui
5182}
5183
5184set browser {}
5185catch {set browser $repo_config(instaweb.browser)}
5186set doc_path [file dirname [gitexec]]
5187set doc_path [file join $doc_path Documentation index.html]
5188
5189if {[is_Cygwin]} {
5190        set doc_path [exec cygpath --windows $doc_path]
5191}
5192
5193if {$browser eq {}} {
5194        if {[is_MacOSX]} {
5195                set browser open
5196        } elseif {[is_Cygwin]} {
5197                set program_files [file dirname [exec cygpath --windir]]
5198                set program_files [file join $program_files {Program Files}]
5199                set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
5200                set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
5201                if {[file exists $firefox]} {
5202                        set browser $firefox
5203                } elseif {[file exists $ie]} {
5204                        set browser $ie
5205                }
5206                unset program_files firefox ie
5207        }
5208}
5209
5210if {[file isfile $doc_path]} {
5211        set doc_url "file:$doc_path"
5212} else {
5213        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
5214}
5215
5216if {$browser ne {}} {
5217        .mbar.help add command -label {Online Documentation} \
5218                -command [list exec $browser $doc_url &] \
5219                -font font_ui
5220}
5221unset browser doc_path doc_url
5222
5223# -- Standard bindings
5224#
5225bind .   <Destroy> do_quit
5226bind all <$M1B-Key-q> do_quit
5227bind all <$M1B-Key-Q> do_quit
5228bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
5229bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
5230
5231# -- Not a normal commit type invocation?  Do that instead!
5232#
5233switch -- $subcommand {
5234blame {
5235        if {[llength $argv] != 2} {
5236                puts stderr "usage: $argv0 blame commit path"
5237                exit 1
5238        }
5239        set current_branch [lindex $argv 0]
5240        show_blame $current_branch [lindex $argv 1]
5241        return
5242}
5243citool -
5244gui {
5245        if {[llength $argv] != 0} {
5246                puts -nonewline stderr "usage: $argv0"
5247                if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
5248                        puts -nonewline stderr " $subcommand"
5249                }
5250                puts stderr {}
5251                exit 1
5252        }
5253        # fall through to setup UI for commits
5254}
5255default {
5256        puts stderr "usage: $argv0 \[{blame|citool}\]"
5257        exit 1
5258}
5259}
5260
5261# -- Branch Control
5262#
5263frame .branch \
5264        -borderwidth 1 \
5265        -relief sunken
5266label .branch.l1 \
5267        -text {Current Branch:} \
5268        -anchor w \
5269        -justify left \
5270        -font font_ui
5271label .branch.cb \
5272        -textvariable current_branch \
5273        -anchor w \
5274        -justify left \
5275        -font font_ui
5276pack .branch.l1 -side left
5277pack .branch.cb -side left -fill x
5278pack .branch -side top -fill x
5279
5280if {[is_enabled branch]} {
5281        menu .mbar.merge
5282        .mbar.merge add command -label {Local Merge...} \
5283                -command do_local_merge \
5284                -font font_ui
5285        lappend disable_on_lock \
5286                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5287        .mbar.merge add command -label {Abort Merge...} \
5288                -command do_reset_hard \
5289                -font font_ui
5290        lappend disable_on_lock \
5291                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5292
5293
5294        menu .mbar.fetch
5295
5296        menu .mbar.push
5297        .mbar.push add command -label {Push...} \
5298                -command do_push_anywhere \
5299                -font font_ui
5300}
5301
5302# -- Main Window Layout
5303#
5304panedwindow .vpane -orient vertical
5305panedwindow .vpane.files -orient horizontal
5306.vpane add .vpane.files -sticky nsew -height 100 -width 200
5307pack .vpane -anchor n -side top -fill both -expand 1
5308
5309# -- Index File List
5310#
5311frame .vpane.files.index -height 100 -width 200
5312label .vpane.files.index.title -text {Changes To Be Committed} \
5313        -background green \
5314        -font font_ui
5315text $ui_index -background white -borderwidth 0 \
5316        -width 20 -height 10 \
5317        -wrap none \
5318        -font font_ui \
5319        -cursor $cursor_ptr \
5320        -xscrollcommand {.vpane.files.index.sx set} \
5321        -yscrollcommand {.vpane.files.index.sy set} \
5322        -state disabled
5323scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
5324scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
5325pack .vpane.files.index.title -side top -fill x
5326pack .vpane.files.index.sx -side bottom -fill x
5327pack .vpane.files.index.sy -side right -fill y
5328pack $ui_index -side left -fill both -expand 1
5329.vpane.files add .vpane.files.index -sticky nsew
5330
5331# -- Working Directory File List
5332#
5333frame .vpane.files.workdir -height 100 -width 200
5334label .vpane.files.workdir.title -text {Changed But Not Updated} \
5335        -background red \
5336        -font font_ui
5337text $ui_workdir -background white -borderwidth 0 \
5338        -width 20 -height 10 \
5339        -wrap none \
5340        -font font_ui \
5341        -cursor $cursor_ptr \
5342        -xscrollcommand {.vpane.files.workdir.sx set} \
5343        -yscrollcommand {.vpane.files.workdir.sy set} \
5344        -state disabled
5345scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
5346scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
5347pack .vpane.files.workdir.title -side top -fill x
5348pack .vpane.files.workdir.sx -side bottom -fill x
5349pack .vpane.files.workdir.sy -side right -fill y
5350pack $ui_workdir -side left -fill both -expand 1
5351.vpane.files add .vpane.files.workdir -sticky nsew
5352
5353foreach i [list $ui_index $ui_workdir] {
5354        $i tag conf in_diff -font font_uibold
5355        $i tag conf in_sel \
5356                -background [$i cget -foreground] \
5357                -foreground [$i cget -background]
5358}
5359unset i
5360
5361# -- Diff and Commit Area
5362#
5363frame .vpane.lower -height 300 -width 400
5364frame .vpane.lower.commarea
5365frame .vpane.lower.diff -relief sunken -borderwidth 1
5366pack .vpane.lower.commarea -side top -fill x
5367pack .vpane.lower.diff -side bottom -fill both -expand 1
5368.vpane add .vpane.lower -sticky nsew
5369
5370# -- Commit Area Buttons
5371#
5372frame .vpane.lower.commarea.buttons
5373label .vpane.lower.commarea.buttons.l -text {} \
5374        -anchor w \
5375        -justify left \
5376        -font font_ui
5377pack .vpane.lower.commarea.buttons.l -side top -fill x
5378pack .vpane.lower.commarea.buttons -side left -fill y
5379
5380button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
5381        -command do_rescan \
5382        -font font_ui
5383pack .vpane.lower.commarea.buttons.rescan -side top -fill x
5384lappend disable_on_lock \
5385        {.vpane.lower.commarea.buttons.rescan conf -state}
5386
5387button .vpane.lower.commarea.buttons.incall -text {Add Existing} \
5388        -command do_add_all \
5389        -font font_ui
5390pack .vpane.lower.commarea.buttons.incall -side top -fill x
5391lappend disable_on_lock \
5392        {.vpane.lower.commarea.buttons.incall conf -state}
5393
5394button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
5395        -command do_signoff \
5396        -font font_ui
5397pack .vpane.lower.commarea.buttons.signoff -side top -fill x
5398
5399button .vpane.lower.commarea.buttons.commit -text {Commit} \
5400        -command do_commit \
5401        -font font_ui
5402pack .vpane.lower.commarea.buttons.commit -side top -fill x
5403lappend disable_on_lock \
5404        {.vpane.lower.commarea.buttons.commit conf -state}
5405
5406# -- Commit Message Buffer
5407#
5408frame .vpane.lower.commarea.buffer
5409frame .vpane.lower.commarea.buffer.header
5410set ui_comm .vpane.lower.commarea.buffer.t
5411set ui_coml .vpane.lower.commarea.buffer.header.l
5412radiobutton .vpane.lower.commarea.buffer.header.new \
5413        -text {New Commit} \
5414        -command do_select_commit_type \
5415        -variable selected_commit_type \
5416        -value new \
5417        -font font_ui
5418lappend disable_on_lock \
5419        [list .vpane.lower.commarea.buffer.header.new conf -state]
5420radiobutton .vpane.lower.commarea.buffer.header.amend \
5421        -text {Amend Last Commit} \
5422        -command do_select_commit_type \
5423        -variable selected_commit_type \
5424        -value amend \
5425        -font font_ui
5426lappend disable_on_lock \
5427        [list .vpane.lower.commarea.buffer.header.amend conf -state]
5428label $ui_coml \
5429        -anchor w \
5430        -justify left \
5431        -font font_ui
5432proc trace_commit_type {varname args} {
5433        global ui_coml commit_type
5434        switch -glob -- $commit_type {
5435        initial       {set txt {Initial Commit Message:}}
5436        amend         {set txt {Amended Commit Message:}}
5437        amend-initial {set txt {Amended Initial Commit Message:}}
5438        amend-merge   {set txt {Amended Merge Commit Message:}}
5439        merge         {set txt {Merge Commit Message:}}
5440        *             {set txt {Commit Message:}}
5441        }
5442        $ui_coml conf -text $txt
5443}
5444trace add variable commit_type write trace_commit_type
5445pack $ui_coml -side left -fill x
5446pack .vpane.lower.commarea.buffer.header.amend -side right
5447pack .vpane.lower.commarea.buffer.header.new -side right
5448
5449text $ui_comm -background white -borderwidth 1 \
5450        -undo true \
5451        -maxundo 20 \
5452        -autoseparators true \
5453        -relief sunken \
5454        -width 75 -height 9 -wrap none \
5455        -font font_diff \
5456        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
5457scrollbar .vpane.lower.commarea.buffer.sby \
5458        -command [list $ui_comm yview]
5459pack .vpane.lower.commarea.buffer.header -side top -fill x
5460pack .vpane.lower.commarea.buffer.sby -side right -fill y
5461pack $ui_comm -side left -fill y
5462pack .vpane.lower.commarea.buffer -side left -fill y
5463
5464# -- Commit Message Buffer Context Menu
5465#
5466set ctxm .vpane.lower.commarea.buffer.ctxm
5467menu $ctxm -tearoff 0
5468$ctxm add command \
5469        -label {Cut} \
5470        -font font_ui \
5471        -command {tk_textCut $ui_comm}
5472$ctxm add command \
5473        -label {Copy} \
5474        -font font_ui \
5475        -command {tk_textCopy $ui_comm}
5476$ctxm add command \
5477        -label {Paste} \
5478        -font font_ui \
5479        -command {tk_textPaste $ui_comm}
5480$ctxm add command \
5481        -label {Delete} \
5482        -font font_ui \
5483        -command {$ui_comm delete sel.first sel.last}
5484$ctxm add separator
5485$ctxm add command \
5486        -label {Select All} \
5487        -font font_ui \
5488        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
5489$ctxm add command \
5490        -label {Copy All} \
5491        -font font_ui \
5492        -command {
5493                $ui_comm tag add sel 0.0 end
5494                tk_textCopy $ui_comm
5495                $ui_comm tag remove sel 0.0 end
5496        }
5497$ctxm add separator
5498$ctxm add command \
5499        -label {Sign Off} \
5500        -font font_ui \
5501        -command do_signoff
5502bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
5503
5504# -- Diff Header
5505#
5506set current_diff_path {}
5507set current_diff_side {}
5508set diff_actions [list]
5509proc trace_current_diff_path {varname args} {
5510        global current_diff_path diff_actions file_states
5511        if {$current_diff_path eq {}} {
5512                set s {}
5513                set f {}
5514                set p {}
5515                set o disabled
5516        } else {
5517                set p $current_diff_path
5518                set s [mapdesc [lindex $file_states($p) 0] $p]
5519                set f {File:}
5520                set p [escape_path $p]
5521                set o normal
5522        }
5523
5524        .vpane.lower.diff.header.status configure -text $s
5525        .vpane.lower.diff.header.file configure -text $f
5526        .vpane.lower.diff.header.path configure -text $p
5527        foreach w $diff_actions {
5528                uplevel #0 $w $o
5529        }
5530}
5531trace add variable current_diff_path write trace_current_diff_path
5532
5533frame .vpane.lower.diff.header -background orange
5534label .vpane.lower.diff.header.status \
5535        -background orange \
5536        -width $max_status_desc \
5537        -anchor w \
5538        -justify left \
5539        -font font_ui
5540label .vpane.lower.diff.header.file \
5541        -background orange \
5542        -anchor w \
5543        -justify left \
5544        -font font_ui
5545label .vpane.lower.diff.header.path \
5546        -background orange \
5547        -anchor w \
5548        -justify left \
5549        -font font_ui
5550pack .vpane.lower.diff.header.status -side left
5551pack .vpane.lower.diff.header.file -side left
5552pack .vpane.lower.diff.header.path -fill x
5553set ctxm .vpane.lower.diff.header.ctxm
5554menu $ctxm -tearoff 0
5555$ctxm add command \
5556        -label {Copy} \
5557        -font font_ui \
5558        -command {
5559                clipboard clear
5560                clipboard append \
5561                        -format STRING \
5562                        -type STRING \
5563                        -- $current_diff_path
5564        }
5565lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5566bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
5567
5568# -- Diff Body
5569#
5570frame .vpane.lower.diff.body
5571set ui_diff .vpane.lower.diff.body.t
5572text $ui_diff -background white -borderwidth 0 \
5573        -width 80 -height 15 -wrap none \
5574        -font font_diff \
5575        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
5576        -yscrollcommand {.vpane.lower.diff.body.sby set} \
5577        -state disabled
5578scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
5579        -command [list $ui_diff xview]
5580scrollbar .vpane.lower.diff.body.sby -orient vertical \
5581        -command [list $ui_diff yview]
5582pack .vpane.lower.diff.body.sbx -side bottom -fill x
5583pack .vpane.lower.diff.body.sby -side right -fill y
5584pack $ui_diff -side left -fill both -expand 1
5585pack .vpane.lower.diff.header -side top -fill x
5586pack .vpane.lower.diff.body -side bottom -fill both -expand 1
5587
5588$ui_diff tag conf d_cr -elide true
5589$ui_diff tag conf d_@ -foreground blue -font font_diffbold
5590$ui_diff tag conf d_+ -foreground {#00a000}
5591$ui_diff tag conf d_- -foreground red
5592
5593$ui_diff tag conf d_++ -foreground {#00a000}
5594$ui_diff tag conf d_-- -foreground red
5595$ui_diff tag conf d_+s \
5596        -foreground {#00a000} \
5597        -background {#e2effa}
5598$ui_diff tag conf d_-s \
5599        -foreground red \
5600        -background {#e2effa}
5601$ui_diff tag conf d_s+ \
5602        -foreground {#00a000} \
5603        -background ivory1
5604$ui_diff tag conf d_s- \
5605        -foreground red \
5606        -background ivory1
5607
5608$ui_diff tag conf d<<<<<<< \
5609        -foreground orange \
5610        -font font_diffbold
5611$ui_diff tag conf d======= \
5612        -foreground orange \
5613        -font font_diffbold
5614$ui_diff tag conf d>>>>>>> \
5615        -foreground orange \
5616        -font font_diffbold
5617
5618$ui_diff tag raise sel
5619
5620# -- Diff Body Context Menu
5621#
5622set ctxm .vpane.lower.diff.body.ctxm
5623menu $ctxm -tearoff 0
5624$ctxm add command \
5625        -label {Refresh} \
5626        -font font_ui \
5627        -command reshow_diff
5628lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5629$ctxm add command \
5630        -label {Copy} \
5631        -font font_ui \
5632        -command {tk_textCopy $ui_diff}
5633lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5634$ctxm add command \
5635        -label {Select All} \
5636        -font font_ui \
5637        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
5638lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5639$ctxm add command \
5640        -label {Copy All} \
5641        -font font_ui \
5642        -command {
5643                $ui_diff tag add sel 0.0 end
5644                tk_textCopy $ui_diff
5645                $ui_diff tag remove sel 0.0 end
5646        }
5647lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5648$ctxm add separator
5649$ctxm add command \
5650        -label {Apply/Reverse Hunk} \
5651        -font font_ui \
5652        -command {apply_hunk $cursorX $cursorY}
5653set ui_diff_applyhunk [$ctxm index last]
5654lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
5655$ctxm add separator
5656$ctxm add command \
5657        -label {Decrease Font Size} \
5658        -font font_ui \
5659        -command {incr_font_size font_diff -1}
5660lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5661$ctxm add command \
5662        -label {Increase Font Size} \
5663        -font font_ui \
5664        -command {incr_font_size font_diff 1}
5665lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5666$ctxm add separator
5667$ctxm add command \
5668        -label {Show Less Context} \
5669        -font font_ui \
5670        -command {if {$repo_config(gui.diffcontext) >= 2} {
5671                incr repo_config(gui.diffcontext) -1
5672                reshow_diff
5673        }}
5674lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5675$ctxm add command \
5676        -label {Show More Context} \
5677        -font font_ui \
5678        -command {
5679                incr repo_config(gui.diffcontext)
5680                reshow_diff
5681        }
5682lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5683$ctxm add separator
5684$ctxm add command -label {Options...} \
5685        -font font_ui \
5686        -command do_options
5687bind_button3 $ui_diff "
5688        set cursorX %x
5689        set cursorY %y
5690        if {\$ui_index eq \$current_diff_side} {
5691                $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
5692        } else {
5693                $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
5694        }
5695        tk_popup $ctxm %X %Y
5696"
5697unset ui_diff_applyhunk
5698
5699# -- Status Bar
5700#
5701set ui_status_value {Initializing...}
5702label .status -textvariable ui_status_value \
5703        -anchor w \
5704        -justify left \
5705        -borderwidth 1 \
5706        -relief sunken \
5707        -font font_ui
5708pack .status -anchor w -side bottom -fill x
5709
5710# -- Load geometry
5711#
5712catch {
5713set gm $repo_config(gui.geometry)
5714wm geometry . [lindex $gm 0]
5715.vpane sash place 0 \
5716        [lindex [.vpane sash coord 0] 0] \
5717        [lindex $gm 1]
5718.vpane.files sash place 0 \
5719        [lindex $gm 2] \
5720        [lindex [.vpane.files sash coord 0] 1]
5721unset gm
5722}
5723
5724# -- Key Bindings
5725#
5726bind $ui_comm <$M1B-Key-Return> {do_commit;break}
5727bind $ui_comm <$M1B-Key-i> {do_add_all;break}
5728bind $ui_comm <$M1B-Key-I> {do_add_all;break}
5729bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
5730bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
5731bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
5732bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
5733bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
5734bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
5735bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5736bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5737
5738bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
5739bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
5740bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
5741bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
5742bind $ui_diff <$M1B-Key-v> {break}
5743bind $ui_diff <$M1B-Key-V> {break}
5744bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5745bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5746bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
5747bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
5748bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
5749bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
5750bind $ui_diff <Button-1>   {focus %W}
5751
5752if {[is_enabled branch]} {
5753        bind . <$M1B-Key-n> do_create_branch
5754        bind . <$M1B-Key-N> do_create_branch
5755}
5756
5757bind all <Key-F5> do_rescan
5758bind all <$M1B-Key-r> do_rescan
5759bind all <$M1B-Key-R> do_rescan
5760bind .   <$M1B-Key-s> do_signoff
5761bind .   <$M1B-Key-S> do_signoff
5762bind .   <$M1B-Key-i> do_add_all
5763bind .   <$M1B-Key-I> do_add_all
5764bind .   <$M1B-Key-Return> do_commit
5765foreach i [list $ui_index $ui_workdir] {
5766        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
5767        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
5768        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
5769}
5770unset i
5771
5772set file_lists($ui_index) [list]
5773set file_lists($ui_workdir) [list]
5774
5775set HEAD {}
5776set PARENT {}
5777set MERGE_HEAD [list]
5778set commit_type {}
5779set empty_tree {}
5780set current_branch {}
5781set current_diff_path {}
5782set selected_commit_type new
5783
5784wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
5785focus -force $ui_comm
5786
5787# -- Warn the user about environmental problems.  Cygwin's Tcl
5788#    does *not* pass its env array onto any processes it spawns.
5789#    This means that git processes get none of our environment.
5790#
5791if {[is_Cygwin]} {
5792        set ignored_env 0
5793        set suggest_user {}
5794        set msg "Possible environment issues exist.
5795
5796The following environment variables are probably
5797going to be ignored by any Git subprocess run
5798by [appname]:
5799
5800"
5801        foreach name [array names env] {
5802                switch -regexp -- $name {
5803                {^GIT_INDEX_FILE$} -
5804                {^GIT_OBJECT_DIRECTORY$} -
5805                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
5806                {^GIT_DIFF_OPTS$} -
5807                {^GIT_EXTERNAL_DIFF$} -
5808                {^GIT_PAGER$} -
5809                {^GIT_TRACE$} -
5810                {^GIT_CONFIG$} -
5811                {^GIT_CONFIG_LOCAL$} -
5812                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
5813                        append msg " - $name\n"
5814                        incr ignored_env
5815                }
5816                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
5817                        append msg " - $name\n"
5818                        incr ignored_env
5819                        set suggest_user $name
5820                }
5821                }
5822        }
5823        if {$ignored_env > 0} {
5824                append msg "
5825This is due to a known issue with the
5826Tcl binary distributed by Cygwin."
5827
5828                if {$suggest_user ne {}} {
5829                        append msg "
5830
5831A good replacement for $suggest_user
5832is placing values for the user.name and
5833user.email settings into your personal
5834~/.gitconfig file.
5835"
5836                }
5837                warn_popup $msg
5838        }
5839        unset ignored_env msg suggest_user name
5840}
5841
5842# -- Only initialize complex UI if we are going to stay running.
5843#
5844if {[is_enabled transport]} {
5845        load_all_remotes
5846        load_all_heads
5847
5848        populate_branch_menu
5849        populate_fetch_menu
5850        populate_push_menu
5851}
5852
5853# -- Only suggest a gc run if we are going to stay running.
5854#
5855if {[is_enabled multicommit]} {
5856        set object_limit 2000
5857        if {[is_Windows]} {set object_limit 200}
5858        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
5859        if {$objects_current >= $object_limit} {
5860                if {[ask_popup \
5861                        "This repository currently has $objects_current loose objects.
5862
5863To maintain optimal performance it is strongly
5864recommended that you compress the database
5865when more than $object_limit loose objects exist.
5866
5867Compress the database now?"] eq yes} {
5868                        do_gc
5869                }
5870        }
5871        unset object_limit _junk objects_current
5872}
5873
5874lock_index begin-read
5875after 1 do_rescan