git-gui.shon commit git-gui: Select subcommands like git does. (258871d)
   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 repo-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 repo-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 repo-config --global --unset $name}
 206                        } else {
 207                                regsub -all "\[{}\]" $value {"} value
 208                                exec git repo-config --global $name $value
 209                        }
 210                        set global_config($name) $value
 211                        if {$value eq $repo_config($name)} {
 212                                catch {exec git repo-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 repo-config --unset $name}
 223                        } else {
 224                                regsub -all "\[{}\]" $value {"} value
 225                                exec git repo-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        set texts [list]
3239
3240        label $w.path -text "$commit:$path" \
3241                -anchor w \
3242                -justify left \
3243                -borderwidth 1 \
3244                -relief sunken \
3245                -font font_uibold
3246        pack $w.path -side top -fill x
3247
3248        set hbg #e2effa
3249        frame $w.out
3250        label $w.out.commit_l -text Commit \
3251                -relief solid \
3252                -borderwidth 1 \
3253                -background $hbg \
3254                -font font_uibold
3255        text $w.out.commit_t \
3256                -background white -borderwidth 0 \
3257                -state disabled \
3258                -wrap none \
3259                -height 40 \
3260                -width 9 \
3261                -font font_diff
3262        lappend texts $w.out.commit_t
3263
3264        label $w.out.author_l -text Author \
3265                -relief solid \
3266                -borderwidth 1 \
3267                -background $hbg \
3268                -font font_uibold
3269        text $w.out.author_t \
3270                -background white -borderwidth 0 \
3271                -state disabled \
3272                -wrap none \
3273                -height 40 \
3274                -width 20 \
3275                -font font_diff
3276        lappend texts $w.out.author_t
3277
3278        label $w.out.date_l -text Date \
3279                -relief solid \
3280                -borderwidth 1 \
3281                -background $hbg \
3282                -font font_uibold
3283        text $w.out.date_t \
3284                -background white -borderwidth 0 \
3285                -state disabled \
3286                -wrap none \
3287                -height 40 \
3288                -width [string length "yyyy-mm-dd hh:mm:ss"] \
3289                -font font_diff
3290        lappend texts $w.out.date_t
3291
3292        label $w.out.filename_l -text Filename \
3293                -relief solid \
3294                -borderwidth 1 \
3295                -background $hbg \
3296                -font font_uibold
3297        text $w.out.filename_t \
3298                -background white -borderwidth 0 \
3299                -state disabled \
3300                -wrap none \
3301                -height 40 \
3302                -width 20 \
3303                -font font_diff
3304        lappend texts $w.out.filename_t
3305
3306        label $w.out.origlinenumber_l -text {Orig Line} \
3307                -relief solid \
3308                -borderwidth 1 \
3309                -background $hbg \
3310                -font font_uibold
3311        text $w.out.origlinenumber_t \
3312                -background white -borderwidth 0 \
3313                -state disabled \
3314                -wrap none \
3315                -height 40 \
3316                -width 5 \
3317                -font font_diff
3318        $w.out.origlinenumber_t tag conf linenumber -justify right
3319        lappend texts $w.out.origlinenumber_t
3320
3321        label $w.out.linenumber_l -text {Curr Line} \
3322                -relief solid \
3323                -borderwidth 1 \
3324                -background $hbg \
3325                -font font_uibold
3326        text $w.out.linenumber_t \
3327                -background white -borderwidth 0 \
3328                -state disabled \
3329                -wrap none \
3330                -height 40 \
3331                -width 5 \
3332                -font font_diff
3333        $w.out.linenumber_t tag conf linenumber -justify right
3334        lappend texts $w.out.linenumber_t
3335
3336        label $w.out.file_l -text {File Content} \
3337                -relief solid \
3338                -borderwidth 1 \
3339                -background $hbg \
3340                -font font_uibold
3341        text $w.out.file_t \
3342                -background white -borderwidth 0 \
3343                -state disabled \
3344                -wrap none \
3345                -height 40 \
3346                -width 80 \
3347                -xscrollcommand [list $w.out.sbx set] \
3348                -font font_diff
3349        lappend texts $w.out.file_t
3350
3351        scrollbar $w.out.sbx -orient h -command [list $w.out.file_t xview]
3352        scrollbar $w.out.sby -orient v \
3353                -command [list scrollbar2many $texts yview]
3354        set labels [list]
3355        foreach i $texts {
3356                regsub {_t$} $i _l l
3357                lappend labels $l
3358        }
3359        set file_col [expr {[llength $texts] - 1}]
3360        eval grid $labels -sticky we
3361        eval grid $texts $w.out.sby -sticky nsew
3362        grid conf $w.out.sbx -column $file_col -sticky we
3363        grid columnconfigure $w.out $file_col -weight 1
3364        grid rowconfigure $w.out 1 -weight 1
3365        pack $w.out -fill both -expand 1
3366
3367        label $w.status -textvariable blame_status($w) \
3368                -anchor w \
3369                -justify left \
3370                -borderwidth 1 \
3371                -relief sunken \
3372                -font font_ui
3373        pack $w.status -side bottom -fill x
3374
3375        menu $w.ctxm -tearoff 0
3376        $w.ctxm add command -label "Copy Commit" \
3377                -font font_ui \
3378                -command "blame_copycommit $w \$cursorW @\$cursorX,\$cursorY"
3379
3380        foreach i $texts {
3381                $i tag conf in_sel \
3382                        -background [$i cget -foreground] \
3383                        -foreground [$i cget -background]
3384                $i conf -yscrollcommand \
3385                        [list many2scrollbar $texts yview $w.out.sby]
3386                bind $i <Button-1> "blame_highlight $i @%x,%y $texts;break"
3387                bind_button3 $i "
3388                        set cursorX %x
3389                        set cursorY %y
3390                        set cursorW %W
3391                        tk_popup $w.ctxm %X %Y
3392                "
3393        }
3394
3395        set blame_data($w,colors) {}
3396
3397        bind $tl <Visibility> "focus $tl"
3398        bind $tl <Destroy> "
3399                array unset blame_status {$w}
3400                array unset blame_data $w,*
3401        "
3402        wm title $tl "[appname] ([reponame]): File Viewer"
3403
3404        set blame_data($w,total_lines) 0
3405        set cmd [list git cat-file blob "$commit:$path"]
3406        set fd [open "| $cmd" r]
3407        fconfigure $fd -blocking 0 -translation lf -encoding binary
3408        fileevent $fd readable [list read_blame_catfile \
3409                $fd $w $commit $path \
3410                $texts $w.out.linenumber_t $w.out.file_t]
3411}
3412
3413proc read_blame_catfile {fd w commit path texts w_lno w_file} {
3414        global blame_status blame_data
3415
3416        if {![winfo exists $w_file]} {
3417                catch {close $fd}
3418                return
3419        }
3420
3421        set n $blame_data($w,total_lines)
3422        foreach i $texts {$i conf -state normal}
3423        while {[gets $fd line] >= 0} {
3424                regsub "\r\$" $line {} line
3425                incr n
3426                $w_lno insert end $n linenumber
3427                $w_file insert end $line
3428                foreach i $texts {$i insert end "\n"}
3429        }
3430        foreach i $texts {$i conf -state disabled}
3431        set blame_data($w,total_lines) $n
3432
3433        if {[eof $fd]} {
3434                close $fd
3435                set blame_status($w) {Loading annotations...}
3436                set cmd [list git blame -M -C --incremental]
3437                lappend cmd $commit -- $path
3438                set fd [open "| $cmd" r]
3439                fconfigure $fd -blocking 0 -translation lf -encoding binary
3440                set handler [list read_blame_incremental $fd $w]
3441                append handler " $texts"
3442                fileevent $fd readable $handler
3443        }
3444}
3445
3446proc read_blame_incremental {fd w
3447        w_commit w_author w_date w_filename w_olno
3448        w_lno w_file} {
3449        global blame_status blame_data
3450
3451        if {![winfo exists $w_commit]} {
3452                catch {close $fd}
3453                return
3454        }
3455
3456        set all [list \
3457                $w_commit \
3458                $w_author \
3459                $w_date \
3460                $w_filename \
3461                $w_olno \
3462                $w_lno \
3463                $w_file]
3464
3465        $w_commit conf -state normal
3466        $w_author conf -state normal
3467        $w_date conf -state normal
3468        $w_filename conf -state normal
3469        $w_olno conf -state normal
3470
3471        while {[gets $fd line] >= 0} {
3472                if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
3473                        cmit original_line final_line line_count]} {
3474                        set blame_data($w,commit) $cmit
3475                        set blame_data($w,original_line) $original_line
3476                        set blame_data($w,final_line) $final_line
3477                        set blame_data($w,line_count) $line_count
3478
3479                        if {[catch {set g $blame_data($w,$cmit,seen)}]} {
3480                                if {$blame_data($w,colors) eq {}} {
3481                                        set blame_data($w,colors) {
3482                                                yellow
3483                                                red
3484                                                pink
3485                                                orange
3486                                                green
3487                                                grey
3488                                        }
3489                                }
3490                                set c [lindex $blame_data($w,colors) 0]
3491                                set blame_data($w,colors) \
3492                                        [lrange $blame_data($w,colors) 1 end]
3493                                foreach t $all {
3494                                        $t tag conf g$cmit -background $c
3495                                }
3496                        } else {
3497                                set blame_data($w,$cmit,seen) 1
3498                        }
3499                } elseif {[string match {filename *} $line]} {
3500                        set n $blame_data($w,line_count)
3501                        set lno $blame_data($w,final_line)
3502                        set ol $blame_data($w,original_line)
3503                        set file [string range $line 9 end]
3504                        set cmit $blame_data($w,commit)
3505                        set abbrev [string range $cmit 0 8]
3506
3507                        if {[catch {set author $blame_data($w,$cmit,author)} err]} {
3508                                set author {}
3509                        }
3510
3511                        if {[catch {set atime $blame_data($w,$cmit,author-time)}]} {
3512                                set atime {}
3513                        } else {
3514                                set atime [clock format $atime -format {%Y-%m-%d %T}]
3515                        }
3516
3517                        while {$n > 0} {
3518                                if {![catch {set g g$blame_data($w,line$lno,commit)}]} {
3519                                        foreach t $all {
3520                                                $t tag remove $g $lno.0 "$lno.0 lineend + 1c"
3521                                        }
3522                                }
3523
3524                                foreach t [list \
3525                                        $w_commit \
3526                                        $w_author \
3527                                        $w_date \
3528                                        $w_filename \
3529                                        $w_olno] {
3530                                        $t delete $lno.0 "$lno.0 lineend"
3531                                }
3532
3533                                $w_commit insert $lno.0 $abbrev
3534                                $w_author insert $lno.0 $author
3535                                $w_date insert $lno.0 $atime
3536                                $w_filename insert $lno.0 $file
3537                                $w_olno insert $lno.0 $ol linenumber
3538
3539                                set g g$cmit
3540                                foreach t $all {
3541                                        $t tag add $g $lno.0 "$lno.0 lineend + 1c"
3542                                }
3543
3544                                set blame_data($w,line$lno,commit) $cmit
3545
3546                                incr n -1
3547                                incr lno
3548                                incr ol
3549                        }
3550                } elseif {[regexp {^([a-z-]+) (.*)$} $line line header data]} {
3551                        set blame_data($w,$blame_data($w,commit),$header) $data
3552                }
3553        }
3554
3555        $w_commit conf -state disabled
3556        $w_author conf -state disabled
3557        $w_date conf -state disabled
3558        $w_filename conf -state disabled
3559        $w_olno conf -state disabled
3560
3561        if {[eof $fd]} {
3562                close $fd
3563                set blame_status($w) {Annotation complete.}
3564        }
3565}
3566
3567proc blame_highlight {w pos args} {
3568        set lno [lindex [split [$w index $pos] .] 0]
3569        foreach i $args {
3570                $i tag remove in_sel 0.0 end
3571        }
3572        if {$lno eq {}} return
3573        foreach i $args {
3574                $i tag add in_sel $lno.0 "$lno.0 + 1 line"
3575        }
3576}
3577
3578proc blame_copycommit {w i pos} {
3579        global blame_data
3580        set lno [lindex [split [$i index $pos] .] 0]
3581        if {![catch {set commit $blame_data($w,line$lno,commit)}]} {
3582                clipboard clear
3583                clipboard append \
3584                        -format STRING \
3585                        -type STRING \
3586                        -- $commit
3587        }
3588}
3589
3590######################################################################
3591##
3592## icons
3593
3594set filemask {
3595#define mask_width 14
3596#define mask_height 15
3597static unsigned char mask_bits[] = {
3598   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3599   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3600   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
3601}
3602
3603image create bitmap file_plain -background white -foreground black -data {
3604#define plain_width 14
3605#define plain_height 15
3606static unsigned char plain_bits[] = {
3607   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3608   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
3609   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3610} -maskdata $filemask
3611
3612image create bitmap file_mod -background white -foreground blue -data {
3613#define mod_width 14
3614#define mod_height 15
3615static unsigned char mod_bits[] = {
3616   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3617   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3618   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3619} -maskdata $filemask
3620
3621image create bitmap file_fulltick -background white -foreground "#007000" -data {
3622#define file_fulltick_width 14
3623#define file_fulltick_height 15
3624static unsigned char file_fulltick_bits[] = {
3625   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
3626   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
3627   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3628} -maskdata $filemask
3629
3630image create bitmap file_parttick -background white -foreground "#005050" -data {
3631#define parttick_width 14
3632#define parttick_height 15
3633static unsigned char parttick_bits[] = {
3634   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3635   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
3636   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3637} -maskdata $filemask
3638
3639image create bitmap file_question -background white -foreground black -data {
3640#define file_question_width 14
3641#define file_question_height 15
3642static unsigned char file_question_bits[] = {
3643   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
3644   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
3645   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3646} -maskdata $filemask
3647
3648image create bitmap file_removed -background white -foreground red -data {
3649#define file_removed_width 14
3650#define file_removed_height 15
3651static unsigned char file_removed_bits[] = {
3652   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3653   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
3654   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
3655} -maskdata $filemask
3656
3657image create bitmap file_merge -background white -foreground blue -data {
3658#define file_merge_width 14
3659#define file_merge_height 15
3660static unsigned char file_merge_bits[] = {
3661   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
3662   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3663   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3664} -maskdata $filemask
3665
3666set file_dir_data {
3667#define file_width 18
3668#define file_height 18
3669static unsigned char file_bits[] = {
3670  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00,
3671  0x0c, 0x03, 0x00, 0x04, 0xfe, 0x00, 0x06, 0x80, 0x00, 0xff, 0x9f, 0x00,
3672  0x03, 0x98, 0x00, 0x02, 0x90, 0x00, 0x06, 0xb0, 0x00, 0x04, 0xa0, 0x00,
3673  0x0c, 0xe0, 0x00, 0x08, 0xc0, 0x00, 0xf8, 0xff, 0x00, 0x00, 0x00, 0x00,
3674  0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
3675}
3676image create bitmap file_dir -background white -foreground blue \
3677        -data $file_dir_data -maskdata $file_dir_data
3678unset file_dir_data
3679
3680set file_uplevel_data {
3681#define up_width 15
3682#define up_height 15
3683static unsigned char up_bits[] = {
3684  0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,
3685  0xfe, 0x3f, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,
3686  0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00};
3687}
3688image create bitmap file_uplevel -background white -foreground red \
3689        -data $file_uplevel_data -maskdata $file_uplevel_data
3690unset file_uplevel_data
3691
3692set ui_index .vpane.files.index.list
3693set ui_workdir .vpane.files.workdir.list
3694
3695set all_icons(_$ui_index)   file_plain
3696set all_icons(A$ui_index)   file_fulltick
3697set all_icons(M$ui_index)   file_fulltick
3698set all_icons(D$ui_index)   file_removed
3699set all_icons(U$ui_index)   file_merge
3700
3701set all_icons(_$ui_workdir) file_plain
3702set all_icons(M$ui_workdir) file_mod
3703set all_icons(D$ui_workdir) file_question
3704set all_icons(U$ui_workdir) file_merge
3705set all_icons(O$ui_workdir) file_plain
3706
3707set max_status_desc 0
3708foreach i {
3709                {__ "Unmodified"}
3710
3711                {_M "Modified, not staged"}
3712                {M_ "Staged for commit"}
3713                {MM "Portions staged for commit"}
3714                {MD "Staged for commit, missing"}
3715
3716                {_O "Untracked, not staged"}
3717                {A_ "Staged for commit"}
3718                {AM "Portions staged for commit"}
3719                {AD "Staged for commit, missing"}
3720
3721                {_D "Missing"}
3722                {D_ "Staged for removal"}
3723                {DO "Staged for removal, still present"}
3724
3725                {U_ "Requires merge resolution"}
3726                {UU "Requires merge resolution"}
3727                {UM "Requires merge resolution"}
3728                {UD "Requires merge resolution"}
3729        } {
3730        if {$max_status_desc < [string length [lindex $i 1]]} {
3731                set max_status_desc [string length [lindex $i 1]]
3732        }
3733        set all_descs([lindex $i 0]) [lindex $i 1]
3734}
3735unset i
3736
3737######################################################################
3738##
3739## util
3740
3741proc bind_button3 {w cmd} {
3742        bind $w <Any-Button-3> $cmd
3743        if {[is_MacOSX]} {
3744                bind $w <Control-Button-1> $cmd
3745        }
3746}
3747
3748proc scrollbar2many {list mode args} {
3749        foreach w $list {eval $w $mode $args}
3750}
3751
3752proc many2scrollbar {list mode sb top bottom} {
3753        $sb set $top $bottom
3754        foreach w $list {$w $mode moveto $top}
3755}
3756
3757proc incr_font_size {font {amt 1}} {
3758        set sz [font configure $font -size]
3759        incr sz $amt
3760        font configure $font -size $sz
3761        font configure ${font}bold -size $sz
3762}
3763
3764proc hook_failed_popup {hook msg} {
3765        set w .hookfail
3766        toplevel $w
3767
3768        frame $w.m
3769        label $w.m.l1 -text "$hook hook failed:" \
3770                -anchor w \
3771                -justify left \
3772                -font font_uibold
3773        text $w.m.t \
3774                -background white -borderwidth 1 \
3775                -relief sunken \
3776                -width 80 -height 10 \
3777                -font font_diff \
3778                -yscrollcommand [list $w.m.sby set]
3779        label $w.m.l2 \
3780                -text {You must correct the above errors before committing.} \
3781                -anchor w \
3782                -justify left \
3783                -font font_uibold
3784        scrollbar $w.m.sby -command [list $w.m.t yview]
3785        pack $w.m.l1 -side top -fill x
3786        pack $w.m.l2 -side bottom -fill x
3787        pack $w.m.sby -side right -fill y
3788        pack $w.m.t -side left -fill both -expand 1
3789        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3790
3791        $w.m.t insert 1.0 $msg
3792        $w.m.t conf -state disabled
3793
3794        button $w.ok -text OK \
3795                -width 15 \
3796                -font font_ui \
3797                -command "destroy $w"
3798        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3799
3800        bind $w <Visibility> "grab $w; focus $w"
3801        bind $w <Key-Return> "destroy $w"
3802        wm title $w "[appname] ([reponame]): error"
3803        tkwait window $w
3804}
3805
3806set next_console_id 0
3807
3808proc new_console {short_title long_title} {
3809        global next_console_id console_data
3810        set w .console[incr next_console_id]
3811        set console_data($w) [list $short_title $long_title]
3812        return [console_init $w]
3813}
3814
3815proc console_init {w} {
3816        global console_cr console_data M1B
3817
3818        set console_cr($w) 1.0
3819        toplevel $w
3820        frame $w.m
3821        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
3822                -anchor w \
3823                -justify left \
3824                -font font_uibold
3825        text $w.m.t \
3826                -background white -borderwidth 1 \
3827                -relief sunken \
3828                -width 80 -height 10 \
3829                -font font_diff \
3830                -state disabled \
3831                -yscrollcommand [list $w.m.sby set]
3832        label $w.m.s -text {Working... please wait...} \
3833                -anchor w \
3834                -justify left \
3835                -font font_uibold
3836        scrollbar $w.m.sby -command [list $w.m.t yview]
3837        pack $w.m.l1 -side top -fill x
3838        pack $w.m.s -side bottom -fill x
3839        pack $w.m.sby -side right -fill y
3840        pack $w.m.t -side left -fill both -expand 1
3841        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3842
3843        menu $w.ctxm -tearoff 0
3844        $w.ctxm add command -label "Copy" \
3845                -font font_ui \
3846                -command "tk_textCopy $w.m.t"
3847        $w.ctxm add command -label "Select All" \
3848                -font font_ui \
3849                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
3850        $w.ctxm add command -label "Copy All" \
3851                -font font_ui \
3852                -command "
3853                        $w.m.t tag add sel 0.0 end
3854                        tk_textCopy $w.m.t
3855                        $w.m.t tag remove sel 0.0 end
3856                "
3857
3858        button $w.ok -text {Close} \
3859                -font font_ui \
3860                -state disabled \
3861                -command "destroy $w"
3862        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3863
3864        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
3865        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
3866        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
3867        bind $w <Visibility> "focus $w"
3868        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
3869        return $w
3870}
3871
3872proc console_exec {w cmd after} {
3873        # -- Cygwin's Tcl tosses the enviroment when we exec our child.
3874        #    But most users need that so we have to relogin. :-(
3875        #
3876        if {[is_Cygwin]} {
3877                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
3878        }
3879
3880        # -- Tcl won't let us redirect both stdout and stderr to
3881        #    the same pipe.  So pass it through cat...
3882        #
3883        set cmd [concat | $cmd |& cat]
3884
3885        set fd_f [open $cmd r]
3886        fconfigure $fd_f -blocking 0 -translation binary
3887        fileevent $fd_f readable [list console_read $w $fd_f $after]
3888}
3889
3890proc console_read {w fd after} {
3891        global console_cr
3892
3893        set buf [read $fd]
3894        if {$buf ne {}} {
3895                if {![winfo exists $w]} {console_init $w}
3896                $w.m.t conf -state normal
3897                set c 0
3898                set n [string length $buf]
3899                while {$c < $n} {
3900                        set cr [string first "\r" $buf $c]
3901                        set lf [string first "\n" $buf $c]
3902                        if {$cr < 0} {set cr [expr {$n + 1}]}
3903                        if {$lf < 0} {set lf [expr {$n + 1}]}
3904
3905                        if {$lf < $cr} {
3906                                $w.m.t insert end [string range $buf $c $lf]
3907                                set console_cr($w) [$w.m.t index {end -1c}]
3908                                set c $lf
3909                                incr c
3910                        } else {
3911                                $w.m.t delete $console_cr($w) end
3912                                $w.m.t insert end "\n"
3913                                $w.m.t insert end [string range $buf $c $cr]
3914                                set c $cr
3915                                incr c
3916                        }
3917                }
3918                $w.m.t conf -state disabled
3919                $w.m.t see end
3920        }
3921
3922        fconfigure $fd -blocking 1
3923        if {[eof $fd]} {
3924                if {[catch {close $fd}]} {
3925                        set ok 0
3926                } else {
3927                        set ok 1
3928                }
3929                uplevel #0 $after $w $ok
3930                return
3931        }
3932        fconfigure $fd -blocking 0
3933}
3934
3935proc console_chain {cmdlist w {ok 1}} {
3936        if {$ok} {
3937                if {[llength $cmdlist] == 0} {
3938                        console_done $w $ok
3939                        return
3940                }
3941
3942                set cmd [lindex $cmdlist 0]
3943                set cmdlist [lrange $cmdlist 1 end]
3944
3945                if {[lindex $cmd 0] eq {console_exec}} {
3946                        console_exec $w \
3947                                [lindex $cmd 1] \
3948                                [list console_chain $cmdlist]
3949                } else {
3950                        uplevel #0 $cmd $cmdlist $w $ok
3951                }
3952        } else {
3953                console_done $w $ok
3954        }
3955}
3956
3957proc console_done {args} {
3958        global console_cr console_data
3959
3960        switch -- [llength $args] {
3961        2 {
3962                set w [lindex $args 0]
3963                set ok [lindex $args 1]
3964        }
3965        3 {
3966                set w [lindex $args 1]
3967                set ok [lindex $args 2]
3968        }
3969        default {
3970                error "wrong number of args: console_done ?ignored? w ok"
3971        }
3972        }
3973
3974        if {$ok} {
3975                if {[winfo exists $w]} {
3976                        $w.m.s conf -background green -text {Success}
3977                        $w.ok conf -state normal
3978                }
3979        } else {
3980                if {![winfo exists $w]} {
3981                        console_init $w
3982                }
3983                $w.m.s conf -background red -text {Error: Command Failed}
3984                $w.ok conf -state normal
3985        }
3986
3987        array unset console_cr $w
3988        array unset console_data $w
3989}
3990
3991######################################################################
3992##
3993## ui commands
3994
3995set starting_gitk_msg {Starting gitk... please wait...}
3996
3997proc do_gitk {revs} {
3998        global env ui_status_value starting_gitk_msg
3999
4000        # -- On Windows gitk is severly broken, and right now it seems like
4001        #    nobody cares about fixing it.  The only known workaround is to
4002        #    always delete ~/.gitk before starting the program.
4003        #
4004        if {[is_Windows]} {
4005                catch {file delete [file join $env(HOME) .gitk]}
4006        }
4007
4008        # -- Always start gitk through whatever we were loaded with.  This
4009        #    lets us bypass using shell process on Windows systems.
4010        #
4011        set cmd [info nameofexecutable]
4012        lappend cmd [gitexec gitk]
4013        if {$revs ne {}} {
4014                append cmd { }
4015                append cmd $revs
4016        }
4017
4018        if {[catch {eval exec $cmd &} err]} {
4019                error_popup "Failed to start gitk:\n\n$err"
4020        } else {
4021                set ui_status_value $starting_gitk_msg
4022                after 10000 {
4023                        if {$ui_status_value eq $starting_gitk_msg} {
4024                                set ui_status_value {Ready.}
4025                        }
4026                }
4027        }
4028}
4029
4030proc do_stats {} {
4031        set fd [open "| git count-objects -v" r]
4032        while {[gets $fd line] > 0} {
4033                if {[regexp {^([^:]+): (\d+)$} $line _ name value]} {
4034                        set stats($name) $value
4035                }
4036        }
4037        close $fd
4038
4039        set packed_sz 0
4040        foreach p [glob -directory [gitdir objects pack] \
4041                -type f \
4042                -nocomplain -- *] {
4043                incr packed_sz [file size $p]
4044        }
4045        if {$packed_sz > 0} {
4046                set stats(size-pack) [expr {$packed_sz / 1024}]
4047        }
4048
4049        set w .stats_view
4050        toplevel $w
4051        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4052
4053        label $w.header -text {Database Statistics} \
4054                -font font_uibold
4055        pack $w.header -side top -fill x
4056
4057        frame $w.buttons -border 1
4058        button $w.buttons.close -text Close \
4059                -font font_ui \
4060                -command [list destroy $w]
4061        button $w.buttons.gc -text {Compress Database} \
4062                -font font_ui \
4063                -command "destroy $w;do_gc"
4064        pack $w.buttons.close -side right
4065        pack $w.buttons.gc -side left
4066        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4067
4068        frame $w.stat -borderwidth 1 -relief solid
4069        foreach s {
4070                {count           {Number of loose objects}}
4071                {size            {Disk space used by loose objects} { KiB}}
4072                {in-pack         {Number of packed objects}}
4073                {packs           {Number of packs}}
4074                {size-pack       {Disk space used by packed objects} { KiB}}
4075                {prune-packable  {Packed objects waiting for pruning}}
4076                {garbage         {Garbage files}}
4077                } {
4078                set name [lindex $s 0]
4079                set label [lindex $s 1]
4080                if {[catch {set value $stats($name)}]} continue
4081                if {[llength $s] > 2} {
4082                        set value "$value[lindex $s 2]"
4083                }
4084
4085                label $w.stat.l_$name -text "$label:" -anchor w -font font_ui
4086                label $w.stat.v_$name -text $value -anchor w -font font_ui
4087                grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
4088        }
4089        pack $w.stat -pady 10 -padx 10
4090
4091        bind $w <Visibility> "grab $w; focus $w"
4092        bind $w <Key-Escape> [list destroy $w]
4093        bind $w <Key-Return> [list destroy $w]
4094        wm title $w "[appname] ([reponame]): Database Statistics"
4095        tkwait window $w
4096}
4097
4098proc do_gc {} {
4099        set w [new_console {gc} {Compressing the object database}]
4100        console_chain {
4101                {console_exec {git pack-refs --prune}}
4102                {console_exec {git reflog expire --all}}
4103                {console_exec {git repack -a -d -l}}
4104                {console_exec {git rerere gc}}
4105        } $w
4106}
4107
4108proc do_fsck_objects {} {
4109        set w [new_console {fsck-objects} \
4110                {Verifying the object database with fsck-objects}]
4111        set cmd [list git fsck-objects]
4112        lappend cmd --full
4113        lappend cmd --cache
4114        lappend cmd --strict
4115        console_exec $w $cmd console_done
4116}
4117
4118set is_quitting 0
4119
4120proc do_quit {} {
4121        global ui_comm is_quitting repo_config commit_type
4122
4123        if {$is_quitting} return
4124        set is_quitting 1
4125
4126        if {[winfo exists $ui_comm]} {
4127                # -- Stash our current commit buffer.
4128                #
4129                set save [gitdir GITGUI_MSG]
4130                set msg [string trim [$ui_comm get 0.0 end]]
4131                regsub -all -line {[ \r\t]+$} $msg {} msg
4132                if {(![string match amend* $commit_type]
4133                        || [$ui_comm edit modified])
4134                        && $msg ne {}} {
4135                        catch {
4136                                set fd [open $save w]
4137                                puts -nonewline $fd $msg
4138                                close $fd
4139                        }
4140                } else {
4141                        catch {file delete $save}
4142                }
4143
4144                # -- Stash our current window geometry into this repository.
4145                #
4146                set cfg_geometry [list]
4147                lappend cfg_geometry [wm geometry .]
4148                lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
4149                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
4150                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
4151                        set rc_geometry {}
4152                }
4153                if {$cfg_geometry ne $rc_geometry} {
4154                        catch {exec git repo-config gui.geometry $cfg_geometry}
4155                }
4156        }
4157
4158        destroy .
4159}
4160
4161proc do_rescan {} {
4162        rescan {set ui_status_value {Ready.}}
4163}
4164
4165proc unstage_helper {txt paths} {
4166        global file_states current_diff_path
4167
4168        if {![lock_index begin-update]} return
4169
4170        set pathList [list]
4171        set after {}
4172        foreach path $paths {
4173                switch -glob -- [lindex $file_states($path) 0] {
4174                A? -
4175                M? -
4176                D? {
4177                        lappend pathList $path
4178                        if {$path eq $current_diff_path} {
4179                                set after {reshow_diff;}
4180                        }
4181                }
4182                }
4183        }
4184        if {$pathList eq {}} {
4185                unlock_index
4186        } else {
4187                update_indexinfo \
4188                        $txt \
4189                        $pathList \
4190                        [concat $after {set ui_status_value {Ready.}}]
4191        }
4192}
4193
4194proc do_unstage_selection {} {
4195        global current_diff_path selected_paths
4196
4197        if {[array size selected_paths] > 0} {
4198                unstage_helper \
4199                        {Unstaging selected files from commit} \
4200                        [array names selected_paths]
4201        } elseif {$current_diff_path ne {}} {
4202                unstage_helper \
4203                        "Unstaging [short_path $current_diff_path] from commit" \
4204                        [list $current_diff_path]
4205        }
4206}
4207
4208proc add_helper {txt paths} {
4209        global file_states current_diff_path
4210
4211        if {![lock_index begin-update]} return
4212
4213        set pathList [list]
4214        set after {}
4215        foreach path $paths {
4216                switch -glob -- [lindex $file_states($path) 0] {
4217                _O -
4218                ?M -
4219                ?D -
4220                U? {
4221                        lappend pathList $path
4222                        if {$path eq $current_diff_path} {
4223                                set after {reshow_diff;}
4224                        }
4225                }
4226                }
4227        }
4228        if {$pathList eq {}} {
4229                unlock_index
4230        } else {
4231                update_index \
4232                        $txt \
4233                        $pathList \
4234                        [concat $after {set ui_status_value {Ready to commit.}}]
4235        }
4236}
4237
4238proc do_add_selection {} {
4239        global current_diff_path selected_paths
4240
4241        if {[array size selected_paths] > 0} {
4242                add_helper \
4243                        {Adding selected files} \
4244                        [array names selected_paths]
4245        } elseif {$current_diff_path ne {}} {
4246                add_helper \
4247                        "Adding [short_path $current_diff_path]" \
4248                        [list $current_diff_path]
4249        }
4250}
4251
4252proc do_add_all {} {
4253        global file_states
4254
4255        set paths [list]
4256        foreach path [array names file_states] {
4257                switch -glob -- [lindex $file_states($path) 0] {
4258                U? {continue}
4259                ?M -
4260                ?D {lappend paths $path}
4261                }
4262        }
4263        add_helper {Adding all changed files} $paths
4264}
4265
4266proc revert_helper {txt paths} {
4267        global file_states current_diff_path
4268
4269        if {![lock_index begin-update]} return
4270
4271        set pathList [list]
4272        set after {}
4273        foreach path $paths {
4274                switch -glob -- [lindex $file_states($path) 0] {
4275                U? {continue}
4276                ?M -
4277                ?D {
4278                        lappend pathList $path
4279                        if {$path eq $current_diff_path} {
4280                                set after {reshow_diff;}
4281                        }
4282                }
4283                }
4284        }
4285
4286        set n [llength $pathList]
4287        if {$n == 0} {
4288                unlock_index
4289                return
4290        } elseif {$n == 1} {
4291                set s "[short_path [lindex $pathList]]"
4292        } else {
4293                set s "these $n files"
4294        }
4295
4296        set reply [tk_dialog \
4297                .confirm_revert \
4298                "[appname] ([reponame])" \
4299                "Revert changes in $s?
4300
4301Any unadded changes will be permanently lost by the revert." \
4302                question \
4303                1 \
4304                {Do Nothing} \
4305                {Revert Changes} \
4306                ]
4307        if {$reply == 1} {
4308                checkout_index \
4309                        $txt \
4310                        $pathList \
4311                        [concat $after {set ui_status_value {Ready.}}]
4312        } else {
4313                unlock_index
4314        }
4315}
4316
4317proc do_revert_selection {} {
4318        global current_diff_path selected_paths
4319
4320        if {[array size selected_paths] > 0} {
4321                revert_helper \
4322                        {Reverting selected files} \
4323                        [array names selected_paths]
4324        } elseif {$current_diff_path ne {}} {
4325                revert_helper \
4326                        "Reverting [short_path $current_diff_path]" \
4327                        [list $current_diff_path]
4328        }
4329}
4330
4331proc do_signoff {} {
4332        global ui_comm
4333
4334        set me [committer_ident]
4335        if {$me eq {}} return
4336
4337        set sob "Signed-off-by: $me"
4338        set last [$ui_comm get {end -1c linestart} {end -1c}]
4339        if {$last ne $sob} {
4340                $ui_comm edit separator
4341                if {$last ne {}
4342                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
4343                        $ui_comm insert end "\n"
4344                }
4345                $ui_comm insert end "\n$sob"
4346                $ui_comm edit separator
4347                $ui_comm see end
4348        }
4349}
4350
4351proc do_select_commit_type {} {
4352        global commit_type selected_commit_type
4353
4354        if {$selected_commit_type eq {new}
4355                && [string match amend* $commit_type]} {
4356                create_new_commit
4357        } elseif {$selected_commit_type eq {amend}
4358                && ![string match amend* $commit_type]} {
4359                load_last_commit
4360
4361                # The amend request was rejected...
4362                #
4363                if {![string match amend* $commit_type]} {
4364                        set selected_commit_type new
4365                }
4366        }
4367}
4368
4369proc do_commit {} {
4370        commit_tree
4371}
4372
4373proc do_about {} {
4374        global appvers copyright
4375        global tcl_patchLevel tk_patchLevel
4376
4377        set w .about_dialog
4378        toplevel $w
4379        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4380
4381        label $w.header -text "About [appname]" \
4382                -font font_uibold
4383        pack $w.header -side top -fill x
4384
4385        frame $w.buttons
4386        button $w.buttons.close -text {Close} \
4387                -font font_ui \
4388                -command [list destroy $w]
4389        pack $w.buttons.close -side right
4390        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4391
4392        label $w.desc \
4393                -text "[appname] - a commit creation tool for Git.
4394$copyright" \
4395                -padx 5 -pady 5 \
4396                -justify left \
4397                -anchor w \
4398                -borderwidth 1 \
4399                -relief solid \
4400                -font font_ui
4401        pack $w.desc -side top -fill x -padx 5 -pady 5
4402
4403        set v {}
4404        append v "[appname] version $appvers\n"
4405        append v "[exec git version]\n"
4406        append v "\n"
4407        if {$tcl_patchLevel eq $tk_patchLevel} {
4408                append v "Tcl/Tk version $tcl_patchLevel"
4409        } else {
4410                append v "Tcl version $tcl_patchLevel"
4411                append v ", Tk version $tk_patchLevel"
4412        }
4413
4414        label $w.vers \
4415                -text $v \
4416                -padx 5 -pady 5 \
4417                -justify left \
4418                -anchor w \
4419                -borderwidth 1 \
4420                -relief solid \
4421                -font font_ui
4422        pack $w.vers -side top -fill x -padx 5 -pady 5
4423
4424        menu $w.ctxm -tearoff 0
4425        $w.ctxm add command \
4426                -label {Copy} \
4427                -font font_ui \
4428                -command "
4429                clipboard clear
4430                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
4431        "
4432
4433        bind $w <Visibility> "grab $w; focus $w"
4434        bind $w <Key-Escape> "destroy $w"
4435        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
4436        wm title $w "About [appname]"
4437        tkwait window $w
4438}
4439
4440proc do_options {} {
4441        global repo_config global_config font_descs
4442        global repo_config_new global_config_new
4443
4444        array unset repo_config_new
4445        array unset global_config_new
4446        foreach name [array names repo_config] {
4447                set repo_config_new($name) $repo_config($name)
4448        }
4449        load_config 1
4450        foreach name [array names repo_config] {
4451                switch -- $name {
4452                gui.diffcontext {continue}
4453                }
4454                set repo_config_new($name) $repo_config($name)
4455        }
4456        foreach name [array names global_config] {
4457                set global_config_new($name) $global_config($name)
4458        }
4459
4460        set w .options_editor
4461        toplevel $w
4462        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4463
4464        label $w.header -text "[appname] Options" \
4465                -font font_uibold
4466        pack $w.header -side top -fill x
4467
4468        frame $w.buttons
4469        button $w.buttons.restore -text {Restore Defaults} \
4470                -font font_ui \
4471                -command do_restore_defaults
4472        pack $w.buttons.restore -side left
4473        button $w.buttons.save -text Save \
4474                -font font_ui \
4475                -command [list do_save_config $w]
4476        pack $w.buttons.save -side right
4477        button $w.buttons.cancel -text {Cancel} \
4478                -font font_ui \
4479                -command [list destroy $w]
4480        pack $w.buttons.cancel -side right -padx 5
4481        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4482
4483        labelframe $w.repo -text "[reponame] Repository" \
4484                -font font_ui
4485        labelframe $w.global -text {Global (All Repositories)} \
4486                -font font_ui
4487        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
4488        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
4489
4490        set optid 0
4491        foreach option {
4492                {t user.name {User Name}}
4493                {t user.email {Email Address}}
4494
4495                {b merge.summary {Summarize Merge Commits}}
4496                {i-1..5 merge.verbosity {Merge Verbosity}}
4497
4498                {b gui.trustmtime  {Trust File Modification Timestamps}}
4499                {i-1..99 gui.diffcontext {Number of Diff Context Lines}}
4500                {t gui.newbranchtemplate {New Branch Name Template}}
4501                } {
4502                set type [lindex $option 0]
4503                set name [lindex $option 1]
4504                set text [lindex $option 2]
4505                incr optid
4506                foreach f {repo global} {
4507                        switch -glob -- $type {
4508                        b {
4509                                checkbutton $w.$f.$optid -text $text \
4510                                        -variable ${f}_config_new($name) \
4511                                        -onvalue true \
4512                                        -offvalue false \
4513                                        -font font_ui
4514                                pack $w.$f.$optid -side top -anchor w
4515                        }
4516                        i-* {
4517                                regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
4518                                frame $w.$f.$optid
4519                                label $w.$f.$optid.l -text "$text:" -font font_ui
4520                                pack $w.$f.$optid.l -side left -anchor w -fill x
4521                                spinbox $w.$f.$optid.v \
4522                                        -textvariable ${f}_config_new($name) \
4523                                        -from $min \
4524                                        -to $max \
4525                                        -increment 1 \
4526                                        -width [expr {1 + [string length $max]}] \
4527                                        -font font_ui
4528                                bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
4529                                pack $w.$f.$optid.v -side right -anchor e -padx 5
4530                                pack $w.$f.$optid -side top -anchor w -fill x
4531                        }
4532                        t {
4533                                frame $w.$f.$optid
4534                                label $w.$f.$optid.l -text "$text:" -font font_ui
4535                                entry $w.$f.$optid.v \
4536                                        -borderwidth 1 \
4537                                        -relief sunken \
4538                                        -width 20 \
4539                                        -textvariable ${f}_config_new($name) \
4540                                        -font font_ui
4541                                pack $w.$f.$optid.l -side left -anchor w
4542                                pack $w.$f.$optid.v -side left -anchor w \
4543                                        -fill x -expand 1 \
4544                                        -padx 5
4545                                pack $w.$f.$optid -side top -anchor w -fill x
4546                        }
4547                        }
4548                }
4549        }
4550
4551        set all_fonts [lsort [font families]]
4552        foreach option $font_descs {
4553                set name [lindex $option 0]
4554                set font [lindex $option 1]
4555                set text [lindex $option 2]
4556
4557                set global_config_new(gui.$font^^family) \
4558                        [font configure $font -family]
4559                set global_config_new(gui.$font^^size) \
4560                        [font configure $font -size]
4561
4562                frame $w.global.$name
4563                label $w.global.$name.l -text "$text:" -font font_ui
4564                pack $w.global.$name.l -side left -anchor w -fill x
4565                eval tk_optionMenu $w.global.$name.family \
4566                        global_config_new(gui.$font^^family) \
4567                        $all_fonts
4568                spinbox $w.global.$name.size \
4569                        -textvariable global_config_new(gui.$font^^size) \
4570                        -from 2 -to 80 -increment 1 \
4571                        -width 3 \
4572                        -font font_ui
4573                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
4574                pack $w.global.$name.size -side right -anchor e
4575                pack $w.global.$name.family -side right -anchor e
4576                pack $w.global.$name -side top -anchor w -fill x
4577        }
4578
4579        bind $w <Visibility> "grab $w; focus $w"
4580        bind $w <Key-Escape> "destroy $w"
4581        wm title $w "[appname] ([reponame]): Options"
4582        tkwait window $w
4583}
4584
4585proc do_restore_defaults {} {
4586        global font_descs default_config repo_config
4587        global repo_config_new global_config_new
4588
4589        foreach name [array names default_config] {
4590                set repo_config_new($name) $default_config($name)
4591                set global_config_new($name) $default_config($name)
4592        }
4593
4594        foreach option $font_descs {
4595                set name [lindex $option 0]
4596                set repo_config(gui.$name) $default_config(gui.$name)
4597        }
4598        apply_config
4599
4600        foreach option $font_descs {
4601                set name [lindex $option 0]
4602                set font [lindex $option 1]
4603                set global_config_new(gui.$font^^family) \
4604                        [font configure $font -family]
4605                set global_config_new(gui.$font^^size) \
4606                        [font configure $font -size]
4607        }
4608}
4609
4610proc do_save_config {w} {
4611        if {[catch {save_config} err]} {
4612                error_popup "Failed to completely save options:\n\n$err"
4613        }
4614        reshow_diff
4615        destroy $w
4616}
4617
4618proc do_windows_shortcut {} {
4619        global argv0
4620
4621        set fn [tk_getSaveFile \
4622                -parent . \
4623                -title "[appname] ([reponame]): Create Desktop Icon" \
4624                -initialfile "Git [reponame].bat"]
4625        if {$fn != {}} {
4626                if {[catch {
4627                                set fd [open $fn w]
4628                                puts $fd "@ECHO Entering [reponame]"
4629                                puts $fd "@ECHO Starting git-gui... please wait..."
4630                                puts $fd "@SET PATH=[file normalize [gitexec]];%PATH%"
4631                                puts $fd "@SET GIT_DIR=[file normalize [gitdir]]"
4632                                puts -nonewline $fd "@\"[info nameofexecutable]\""
4633                                puts $fd " \"[file normalize $argv0]\""
4634                                close $fd
4635                        } err]} {
4636                        error_popup "Cannot write script:\n\n$err"
4637                }
4638        }
4639}
4640
4641proc do_cygwin_shortcut {} {
4642        global argv0
4643
4644        if {[catch {
4645                set desktop [exec cygpath \
4646                        --windows \
4647                        --absolute \
4648                        --long-name \
4649                        --desktop]
4650                }]} {
4651                        set desktop .
4652        }
4653        set fn [tk_getSaveFile \
4654                -parent . \
4655                -title "[appname] ([reponame]): Create Desktop Icon" \
4656                -initialdir $desktop \
4657                -initialfile "Git [reponame].bat"]
4658        if {$fn != {}} {
4659                if {[catch {
4660                                set fd [open $fn w]
4661                                set sh [exec cygpath \
4662                                        --windows \
4663                                        --absolute \
4664                                        /bin/sh]
4665                                set me [exec cygpath \
4666                                        --unix \
4667                                        --absolute \
4668                                        $argv0]
4669                                set gd [exec cygpath \
4670                                        --unix \
4671                                        --absolute \
4672                                        [gitdir]]
4673                                set gw [exec cygpath \
4674                                        --windows \
4675                                        --absolute \
4676                                        [file dirname [gitdir]]]
4677                                regsub -all ' $me "'\\''" me
4678                                regsub -all ' $gd "'\\''" gd
4679                                puts $fd "@ECHO Entering $gw"
4680                                puts $fd "@ECHO Starting git-gui... please wait..."
4681                                puts -nonewline $fd "@\"$sh\" --login -c \""
4682                                puts -nonewline $fd "GIT_DIR='$gd'"
4683                                puts -nonewline $fd " '$me'"
4684                                puts $fd "&\""
4685                                close $fd
4686                        } err]} {
4687                        error_popup "Cannot write script:\n\n$err"
4688                }
4689        }
4690}
4691
4692proc do_macosx_app {} {
4693        global argv0 env
4694
4695        set fn [tk_getSaveFile \
4696                -parent . \
4697                -title "[appname] ([reponame]): Create Desktop Icon" \
4698                -initialdir [file join $env(HOME) Desktop] \
4699                -initialfile "Git [reponame].app"]
4700        if {$fn != {}} {
4701                if {[catch {
4702                                set Contents [file join $fn Contents]
4703                                set MacOS [file join $Contents MacOS]
4704                                set exe [file join $MacOS git-gui]
4705
4706                                file mkdir $MacOS
4707
4708                                set fd [open [file join $Contents Info.plist] w]
4709                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
4710<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
4711<plist version="1.0">
4712<dict>
4713        <key>CFBundleDevelopmentRegion</key>
4714        <string>English</string>
4715        <key>CFBundleExecutable</key>
4716        <string>git-gui</string>
4717        <key>CFBundleIdentifier</key>
4718        <string>org.spearce.git-gui</string>
4719        <key>CFBundleInfoDictionaryVersion</key>
4720        <string>6.0</string>
4721        <key>CFBundlePackageType</key>
4722        <string>APPL</string>
4723        <key>CFBundleSignature</key>
4724        <string>????</string>
4725        <key>CFBundleVersion</key>
4726        <string>1.0</string>
4727        <key>NSPrincipalClass</key>
4728        <string>NSApplication</string>
4729</dict>
4730</plist>}
4731                                close $fd
4732
4733                                set fd [open $exe w]
4734                                set gd [file normalize [gitdir]]
4735                                set ep [file normalize [gitexec]]
4736                                regsub -all ' $gd "'\\''" gd
4737                                regsub -all ' $ep "'\\''" ep
4738                                puts $fd "#!/bin/sh"
4739                                foreach name [array names env] {
4740                                        if {[string match GIT_* $name]} {
4741                                                regsub -all ' $env($name) "'\\''" v
4742                                                puts $fd "export $name='$v'"
4743                                        }
4744                                }
4745                                puts $fd "export PATH='$ep':\$PATH"
4746                                puts $fd "export GIT_DIR='$gd'"
4747                                puts $fd "exec [file normalize $argv0]"
4748                                close $fd
4749
4750                                file attributes $exe -permissions u+x,g+x,o+x
4751                        } err]} {
4752                        error_popup "Cannot write icon:\n\n$err"
4753                }
4754        }
4755}
4756
4757proc toggle_or_diff {w x y} {
4758        global file_states file_lists current_diff_path ui_index ui_workdir
4759        global last_clicked selected_paths
4760
4761        set pos [split [$w index @$x,$y] .]
4762        set lno [lindex $pos 0]
4763        set col [lindex $pos 1]
4764        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4765        if {$path eq {}} {
4766                set last_clicked {}
4767                return
4768        }
4769
4770        set last_clicked [list $w $lno]
4771        array unset selected_paths
4772        $ui_index tag remove in_sel 0.0 end
4773        $ui_workdir tag remove in_sel 0.0 end
4774
4775        if {$col == 0} {
4776                if {$current_diff_path eq $path} {
4777                        set after {reshow_diff;}
4778                } else {
4779                        set after {}
4780                }
4781                if {$w eq $ui_index} {
4782                        update_indexinfo \
4783                                "Unstaging [short_path $path] from commit" \
4784                                [list $path] \
4785                                [concat $after {set ui_status_value {Ready.}}]
4786                } elseif {$w eq $ui_workdir} {
4787                        update_index \
4788                                "Adding [short_path $path]" \
4789                                [list $path] \
4790                                [concat $after {set ui_status_value {Ready.}}]
4791                }
4792        } else {
4793                show_diff $path $w $lno
4794        }
4795}
4796
4797proc add_one_to_selection {w x y} {
4798        global file_lists last_clicked selected_paths
4799
4800        set lno [lindex [split [$w index @$x,$y] .] 0]
4801        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4802        if {$path eq {}} {
4803                set last_clicked {}
4804                return
4805        }
4806
4807        if {$last_clicked ne {}
4808                && [lindex $last_clicked 0] ne $w} {
4809                array unset selected_paths
4810                [lindex $last_clicked 0] tag remove in_sel 0.0 end
4811        }
4812
4813        set last_clicked [list $w $lno]
4814        if {[catch {set in_sel $selected_paths($path)}]} {
4815                set in_sel 0
4816        }
4817        if {$in_sel} {
4818                unset selected_paths($path)
4819                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
4820        } else {
4821                set selected_paths($path) 1
4822                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
4823        }
4824}
4825
4826proc add_range_to_selection {w x y} {
4827        global file_lists last_clicked selected_paths
4828
4829        if {[lindex $last_clicked 0] ne $w} {
4830                toggle_or_diff $w $x $y
4831                return
4832        }
4833
4834        set lno [lindex [split [$w index @$x,$y] .] 0]
4835        set lc [lindex $last_clicked 1]
4836        if {$lc < $lno} {
4837                set begin $lc
4838                set end $lno
4839        } else {
4840                set begin $lno
4841                set end $lc
4842        }
4843
4844        foreach path [lrange $file_lists($w) \
4845                [expr {$begin - 1}] \
4846                [expr {$end - 1}]] {
4847                set selected_paths($path) 1
4848        }
4849        $w tag add in_sel $begin.0 [expr {$end + 1}].0
4850}
4851
4852######################################################################
4853##
4854## config defaults
4855
4856set cursor_ptr arrow
4857font create font_diff -family Courier -size 10
4858font create font_ui
4859catch {
4860        label .dummy
4861        eval font configure font_ui [font actual [.dummy cget -font]]
4862        destroy .dummy
4863}
4864
4865font create font_uibold
4866font create font_diffbold
4867
4868if {[is_Windows]} {
4869        set M1B Control
4870        set M1T Ctrl
4871} elseif {[is_MacOSX]} {
4872        set M1B M1
4873        set M1T Cmd
4874} else {
4875        set M1B M1
4876        set M1T M1
4877}
4878
4879proc apply_config {} {
4880        global repo_config font_descs
4881
4882        foreach option $font_descs {
4883                set name [lindex $option 0]
4884                set font [lindex $option 1]
4885                if {[catch {
4886                        foreach {cn cv} $repo_config(gui.$name) {
4887                                font configure $font $cn $cv
4888                        }
4889                        } err]} {
4890                        error_popup "Invalid font specified in gui.$name:\n\n$err"
4891                }
4892                foreach {cn cv} [font configure $font] {
4893                        font configure ${font}bold $cn $cv
4894                }
4895                font configure ${font}bold -weight bold
4896        }
4897}
4898
4899set default_config(merge.summary) false
4900set default_config(merge.verbosity) 2
4901set default_config(user.name) {}
4902set default_config(user.email) {}
4903
4904set default_config(gui.trustmtime) false
4905set default_config(gui.diffcontext) 5
4906set default_config(gui.newbranchtemplate) {}
4907set default_config(gui.fontui) [font configure font_ui]
4908set default_config(gui.fontdiff) [font configure font_diff]
4909set font_descs {
4910        {fontui   font_ui   {Main Font}}
4911        {fontdiff font_diff {Diff/Console Font}}
4912}
4913load_config 0
4914apply_config
4915
4916######################################################################
4917##
4918## feature option selection
4919
4920if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
4921        unset _junk
4922} else {
4923        set subcommand gui
4924}
4925if {$subcommand eq {gui.sh}} {
4926        set subcommand gui
4927}
4928if {$subcommand eq {gui} && [llength $argv] > 0} {
4929        set subcommand [lindex $argv 0]
4930        set argv [lrange $argv 1 end]
4931}
4932
4933enable_option multicommit
4934enable_option branch
4935enable_option transport
4936
4937switch -- $subcommand {
4938blame {
4939        disable_option multicommit
4940        disable_option branch
4941        disable_option transport
4942}
4943citool {
4944        enable_option singlecommit
4945
4946        disable_option multicommit
4947        disable_option branch
4948        disable_option transport
4949}
4950}
4951
4952######################################################################
4953##
4954## ui construction
4955
4956set ui_comm {}
4957
4958# -- Menu Bar
4959#
4960menu .mbar -tearoff 0
4961.mbar add cascade -label Repository -menu .mbar.repository
4962.mbar add cascade -label Edit -menu .mbar.edit
4963if {[is_enabled branch]} {
4964        .mbar add cascade -label Branch -menu .mbar.branch
4965}
4966if {[is_enabled multicommit] || [is_enabled singlecommit]} {
4967        .mbar add cascade -label Commit -menu .mbar.commit
4968}
4969if {[is_enabled transport]} {
4970        .mbar add cascade -label Merge -menu .mbar.merge
4971        .mbar add cascade -label Fetch -menu .mbar.fetch
4972        .mbar add cascade -label Push -menu .mbar.push
4973}
4974. configure -menu .mbar
4975
4976# -- Repository Menu
4977#
4978menu .mbar.repository
4979
4980.mbar.repository add command \
4981        -label {Browse Current Branch} \
4982        -command {new_browser $current_branch} \
4983        -font font_ui
4984trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$current_branch\" ;#"
4985.mbar.repository add separator
4986
4987.mbar.repository add command \
4988        -label {Visualize Current Branch} \
4989        -command {do_gitk $current_branch} \
4990        -font font_ui
4991trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
4992.mbar.repository add command \
4993        -label {Visualize All Branches} \
4994        -command {do_gitk --all} \
4995        -font font_ui
4996.mbar.repository add separator
4997
4998if {[is_enabled multicommit]} {
4999        .mbar.repository add command -label {Database Statistics} \
5000                -command do_stats \
5001                -font font_ui
5002
5003        .mbar.repository add command -label {Compress Database} \
5004                -command do_gc \
5005                -font font_ui
5006
5007        .mbar.repository add command -label {Verify Database} \
5008                -command do_fsck_objects \
5009                -font font_ui
5010
5011        .mbar.repository add separator
5012
5013        if {[is_Cygwin]} {
5014                .mbar.repository add command \
5015                        -label {Create Desktop Icon} \
5016                        -command do_cygwin_shortcut \
5017                        -font font_ui
5018        } elseif {[is_Windows]} {
5019                .mbar.repository add command \
5020                        -label {Create Desktop Icon} \
5021                        -command do_windows_shortcut \
5022                        -font font_ui
5023        } elseif {[is_MacOSX]} {
5024                .mbar.repository add command \
5025                        -label {Create Desktop Icon} \
5026                        -command do_macosx_app \
5027                        -font font_ui
5028        }
5029}
5030
5031.mbar.repository add command -label Quit \
5032        -command do_quit \
5033        -accelerator $M1T-Q \
5034        -font font_ui
5035
5036# -- Edit Menu
5037#
5038menu .mbar.edit
5039.mbar.edit add command -label Undo \
5040        -command {catch {[focus] edit undo}} \
5041        -accelerator $M1T-Z \
5042        -font font_ui
5043.mbar.edit add command -label Redo \
5044        -command {catch {[focus] edit redo}} \
5045        -accelerator $M1T-Y \
5046        -font font_ui
5047.mbar.edit add separator
5048.mbar.edit add command -label Cut \
5049        -command {catch {tk_textCut [focus]}} \
5050        -accelerator $M1T-X \
5051        -font font_ui
5052.mbar.edit add command -label Copy \
5053        -command {catch {tk_textCopy [focus]}} \
5054        -accelerator $M1T-C \
5055        -font font_ui
5056.mbar.edit add command -label Paste \
5057        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
5058        -accelerator $M1T-V \
5059        -font font_ui
5060.mbar.edit add command -label Delete \
5061        -command {catch {[focus] delete sel.first sel.last}} \
5062        -accelerator Del \
5063        -font font_ui
5064.mbar.edit add separator
5065.mbar.edit add command -label {Select All} \
5066        -command {catch {[focus] tag add sel 0.0 end}} \
5067        -accelerator $M1T-A \
5068        -font font_ui
5069
5070# -- Branch Menu
5071#
5072if {[is_enabled branch]} {
5073        menu .mbar.branch
5074
5075        .mbar.branch add command -label {Create...} \
5076                -command do_create_branch \
5077                -accelerator $M1T-N \
5078                -font font_ui
5079        lappend disable_on_lock [list .mbar.branch entryconf \
5080                [.mbar.branch index last] -state]
5081
5082        .mbar.branch add command -label {Delete...} \
5083                -command do_delete_branch \
5084                -font font_ui
5085        lappend disable_on_lock [list .mbar.branch entryconf \
5086                [.mbar.branch index last] -state]
5087}
5088
5089# -- Commit Menu
5090#
5091if {[is_enabled multicommit] || [is_enabled singlecommit]} {
5092        menu .mbar.commit
5093
5094        .mbar.commit add radiobutton \
5095                -label {New Commit} \
5096                -command do_select_commit_type \
5097                -variable selected_commit_type \
5098                -value new \
5099                -font font_ui
5100        lappend disable_on_lock \
5101                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5102
5103        .mbar.commit add radiobutton \
5104                -label {Amend Last Commit} \
5105                -command do_select_commit_type \
5106                -variable selected_commit_type \
5107                -value amend \
5108                -font font_ui
5109        lappend disable_on_lock \
5110                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5111
5112        .mbar.commit add separator
5113
5114        .mbar.commit add command -label Rescan \
5115                -command do_rescan \
5116                -accelerator F5 \
5117                -font font_ui
5118        lappend disable_on_lock \
5119                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5120
5121        .mbar.commit add command -label {Add To Commit} \
5122                -command do_add_selection \
5123                -font font_ui
5124        lappend disable_on_lock \
5125                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5126
5127        .mbar.commit add command -label {Add All To Commit} \
5128                -command do_add_all \
5129                -accelerator $M1T-I \
5130                -font font_ui
5131        lappend disable_on_lock \
5132                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5133
5134        .mbar.commit add command -label {Unstage From Commit} \
5135                -command do_unstage_selection \
5136                -font font_ui
5137        lappend disable_on_lock \
5138                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5139
5140        .mbar.commit add command -label {Revert Changes} \
5141                -command do_revert_selection \
5142                -font font_ui
5143        lappend disable_on_lock \
5144                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5145
5146        .mbar.commit add separator
5147
5148        .mbar.commit add command -label {Sign Off} \
5149                -command do_signoff \
5150                -accelerator $M1T-S \
5151                -font font_ui
5152
5153        .mbar.commit add command -label Commit \
5154                -command do_commit \
5155                -accelerator $M1T-Return \
5156                -font font_ui
5157        lappend disable_on_lock \
5158                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5159}
5160
5161if {[is_MacOSX]} {
5162        # -- Apple Menu (Mac OS X only)
5163        #
5164        .mbar add cascade -label Apple -menu .mbar.apple
5165        menu .mbar.apple
5166
5167        .mbar.apple add command -label "About [appname]" \
5168                -command do_about \
5169                -font font_ui
5170        .mbar.apple add command -label "[appname] Options..." \
5171                -command do_options \
5172                -font font_ui
5173} else {
5174        # -- Edit Menu
5175        #
5176        .mbar.edit add separator
5177        .mbar.edit add command -label {Options...} \
5178                -command do_options \
5179                -font font_ui
5180
5181        # -- Tools Menu
5182        #
5183        if {[file exists /usr/local/miga/lib/gui-miga]
5184                && [file exists .pvcsrc]} {
5185        proc do_miga {} {
5186                global ui_status_value
5187                if {![lock_index update]} return
5188                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
5189                set miga_fd [open "|$cmd" r]
5190                fconfigure $miga_fd -blocking 0
5191                fileevent $miga_fd readable [list miga_done $miga_fd]
5192                set ui_status_value {Running miga...}
5193        }
5194        proc miga_done {fd} {
5195                read $fd 512
5196                if {[eof $fd]} {
5197                        close $fd
5198                        unlock_index
5199                        rescan [list set ui_status_value {Ready.}]
5200                }
5201        }
5202        .mbar add cascade -label Tools -menu .mbar.tools
5203        menu .mbar.tools
5204        .mbar.tools add command -label "Migrate" \
5205                -command do_miga \
5206                -font font_ui
5207        lappend disable_on_lock \
5208                [list .mbar.tools entryconf [.mbar.tools index last] -state]
5209        }
5210}
5211
5212# -- Help Menu
5213#
5214.mbar add cascade -label Help -menu .mbar.help
5215menu .mbar.help
5216
5217if {![is_MacOSX]} {
5218        .mbar.help add command -label "About [appname]" \
5219                -command do_about \
5220                -font font_ui
5221}
5222
5223set browser {}
5224catch {set browser $repo_config(instaweb.browser)}
5225set doc_path [file dirname [gitexec]]
5226set doc_path [file join $doc_path Documentation index.html]
5227
5228if {[is_Cygwin]} {
5229        set doc_path [exec cygpath --windows $doc_path]
5230}
5231
5232if {$browser eq {}} {
5233        if {[is_MacOSX]} {
5234                set browser open
5235        } elseif {[is_Cygwin]} {
5236                set program_files [file dirname [exec cygpath --windir]]
5237                set program_files [file join $program_files {Program Files}]
5238                set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
5239                set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
5240                if {[file exists $firefox]} {
5241                        set browser $firefox
5242                } elseif {[file exists $ie]} {
5243                        set browser $ie
5244                }
5245                unset program_files firefox ie
5246        }
5247}
5248
5249if {[file isfile $doc_path]} {
5250        set doc_url "file:$doc_path"
5251} else {
5252        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
5253}
5254
5255if {$browser ne {}} {
5256        .mbar.help add command -label {Online Documentation} \
5257                -command [list exec $browser $doc_url &] \
5258                -font font_ui
5259}
5260unset browser doc_path doc_url
5261
5262# -- Standard bindings
5263#
5264bind .   <Destroy> do_quit
5265bind all <$M1B-Key-q> do_quit
5266bind all <$M1B-Key-Q> do_quit
5267bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
5268bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
5269
5270# -- Not a normal commit type invocation?  Do that instead!
5271#
5272switch -- $subcommand {
5273blame {
5274        if {[llength $argv] != 2} {
5275                puts stderr "usage: $argv0 blame commit path"
5276                exit 1
5277        }
5278        set current_branch [lindex $argv 0]
5279        show_blame $current_branch [lindex $argv 1]
5280        return
5281}
5282citool -
5283gui {
5284        if {[llength $argv] != 0} {
5285                puts -nonewline stderr "usage: $argv0"
5286                if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
5287                        puts -nonewline stderr " $subcommand"
5288                }
5289                puts stderr {}
5290                exit 1
5291        }
5292        # fall through to setup UI for commits
5293}
5294default {
5295        puts stderr "usage: $argv0 \[{blame|citool}\]"
5296        exit 1
5297}
5298}
5299
5300# -- Branch Control
5301#
5302frame .branch \
5303        -borderwidth 1 \
5304        -relief sunken
5305label .branch.l1 \
5306        -text {Current Branch:} \
5307        -anchor w \
5308        -justify left \
5309        -font font_ui
5310label .branch.cb \
5311        -textvariable current_branch \
5312        -anchor w \
5313        -justify left \
5314        -font font_ui
5315pack .branch.l1 -side left
5316pack .branch.cb -side left -fill x
5317pack .branch -side top -fill x
5318
5319if {[is_enabled branch]} {
5320        menu .mbar.merge
5321        .mbar.merge add command -label {Local Merge...} \
5322                -command do_local_merge \
5323                -font font_ui
5324        lappend disable_on_lock \
5325                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5326        .mbar.merge add command -label {Abort Merge...} \
5327                -command do_reset_hard \
5328                -font font_ui
5329        lappend disable_on_lock \
5330                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5331
5332
5333        menu .mbar.fetch
5334
5335        menu .mbar.push
5336        .mbar.push add command -label {Push...} \
5337                -command do_push_anywhere \
5338                -font font_ui
5339}
5340
5341# -- Main Window Layout
5342#
5343panedwindow .vpane -orient vertical
5344panedwindow .vpane.files -orient horizontal
5345.vpane add .vpane.files -sticky nsew -height 100 -width 200
5346pack .vpane -anchor n -side top -fill both -expand 1
5347
5348# -- Index File List
5349#
5350frame .vpane.files.index -height 100 -width 200
5351label .vpane.files.index.title -text {Changes To Be Committed} \
5352        -background green \
5353        -font font_ui
5354text $ui_index -background white -borderwidth 0 \
5355        -width 20 -height 10 \
5356        -wrap none \
5357        -font font_ui \
5358        -cursor $cursor_ptr \
5359        -xscrollcommand {.vpane.files.index.sx set} \
5360        -yscrollcommand {.vpane.files.index.sy set} \
5361        -state disabled
5362scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
5363scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
5364pack .vpane.files.index.title -side top -fill x
5365pack .vpane.files.index.sx -side bottom -fill x
5366pack .vpane.files.index.sy -side right -fill y
5367pack $ui_index -side left -fill both -expand 1
5368.vpane.files add .vpane.files.index -sticky nsew
5369
5370# -- Working Directory File List
5371#
5372frame .vpane.files.workdir -height 100 -width 200
5373label .vpane.files.workdir.title -text {Changed But Not Updated} \
5374        -background red \
5375        -font font_ui
5376text $ui_workdir -background white -borderwidth 0 \
5377        -width 20 -height 10 \
5378        -wrap none \
5379        -font font_ui \
5380        -cursor $cursor_ptr \
5381        -xscrollcommand {.vpane.files.workdir.sx set} \
5382        -yscrollcommand {.vpane.files.workdir.sy set} \
5383        -state disabled
5384scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
5385scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
5386pack .vpane.files.workdir.title -side top -fill x
5387pack .vpane.files.workdir.sx -side bottom -fill x
5388pack .vpane.files.workdir.sy -side right -fill y
5389pack $ui_workdir -side left -fill both -expand 1
5390.vpane.files add .vpane.files.workdir -sticky nsew
5391
5392foreach i [list $ui_index $ui_workdir] {
5393        $i tag conf in_diff -font font_uibold
5394        $i tag conf in_sel \
5395                -background [$i cget -foreground] \
5396                -foreground [$i cget -background]
5397}
5398unset i
5399
5400# -- Diff and Commit Area
5401#
5402frame .vpane.lower -height 300 -width 400
5403frame .vpane.lower.commarea
5404frame .vpane.lower.diff -relief sunken -borderwidth 1
5405pack .vpane.lower.commarea -side top -fill x
5406pack .vpane.lower.diff -side bottom -fill both -expand 1
5407.vpane add .vpane.lower -sticky nsew
5408
5409# -- Commit Area Buttons
5410#
5411frame .vpane.lower.commarea.buttons
5412label .vpane.lower.commarea.buttons.l -text {} \
5413        -anchor w \
5414        -justify left \
5415        -font font_ui
5416pack .vpane.lower.commarea.buttons.l -side top -fill x
5417pack .vpane.lower.commarea.buttons -side left -fill y
5418
5419button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
5420        -command do_rescan \
5421        -font font_ui
5422pack .vpane.lower.commarea.buttons.rescan -side top -fill x
5423lappend disable_on_lock \
5424        {.vpane.lower.commarea.buttons.rescan conf -state}
5425
5426button .vpane.lower.commarea.buttons.incall -text {Add All} \
5427        -command do_add_all \
5428        -font font_ui
5429pack .vpane.lower.commarea.buttons.incall -side top -fill x
5430lappend disable_on_lock \
5431        {.vpane.lower.commarea.buttons.incall conf -state}
5432
5433button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
5434        -command do_signoff \
5435        -font font_ui
5436pack .vpane.lower.commarea.buttons.signoff -side top -fill x
5437
5438button .vpane.lower.commarea.buttons.commit -text {Commit} \
5439        -command do_commit \
5440        -font font_ui
5441pack .vpane.lower.commarea.buttons.commit -side top -fill x
5442lappend disable_on_lock \
5443        {.vpane.lower.commarea.buttons.commit conf -state}
5444
5445# -- Commit Message Buffer
5446#
5447frame .vpane.lower.commarea.buffer
5448frame .vpane.lower.commarea.buffer.header
5449set ui_comm .vpane.lower.commarea.buffer.t
5450set ui_coml .vpane.lower.commarea.buffer.header.l
5451radiobutton .vpane.lower.commarea.buffer.header.new \
5452        -text {New Commit} \
5453        -command do_select_commit_type \
5454        -variable selected_commit_type \
5455        -value new \
5456        -font font_ui
5457lappend disable_on_lock \
5458        [list .vpane.lower.commarea.buffer.header.new conf -state]
5459radiobutton .vpane.lower.commarea.buffer.header.amend \
5460        -text {Amend Last Commit} \
5461        -command do_select_commit_type \
5462        -variable selected_commit_type \
5463        -value amend \
5464        -font font_ui
5465lappend disable_on_lock \
5466        [list .vpane.lower.commarea.buffer.header.amend conf -state]
5467label $ui_coml \
5468        -anchor w \
5469        -justify left \
5470        -font font_ui
5471proc trace_commit_type {varname args} {
5472        global ui_coml commit_type
5473        switch -glob -- $commit_type {
5474        initial       {set txt {Initial Commit Message:}}
5475        amend         {set txt {Amended Commit Message:}}
5476        amend-initial {set txt {Amended Initial Commit Message:}}
5477        amend-merge   {set txt {Amended Merge Commit Message:}}
5478        merge         {set txt {Merge Commit Message:}}
5479        *             {set txt {Commit Message:}}
5480        }
5481        $ui_coml conf -text $txt
5482}
5483trace add variable commit_type write trace_commit_type
5484pack $ui_coml -side left -fill x
5485pack .vpane.lower.commarea.buffer.header.amend -side right
5486pack .vpane.lower.commarea.buffer.header.new -side right
5487
5488text $ui_comm -background white -borderwidth 1 \
5489        -undo true \
5490        -maxundo 20 \
5491        -autoseparators true \
5492        -relief sunken \
5493        -width 75 -height 9 -wrap none \
5494        -font font_diff \
5495        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
5496scrollbar .vpane.lower.commarea.buffer.sby \
5497        -command [list $ui_comm yview]
5498pack .vpane.lower.commarea.buffer.header -side top -fill x
5499pack .vpane.lower.commarea.buffer.sby -side right -fill y
5500pack $ui_comm -side left -fill y
5501pack .vpane.lower.commarea.buffer -side left -fill y
5502
5503# -- Commit Message Buffer Context Menu
5504#
5505set ctxm .vpane.lower.commarea.buffer.ctxm
5506menu $ctxm -tearoff 0
5507$ctxm add command \
5508        -label {Cut} \
5509        -font font_ui \
5510        -command {tk_textCut $ui_comm}
5511$ctxm add command \
5512        -label {Copy} \
5513        -font font_ui \
5514        -command {tk_textCopy $ui_comm}
5515$ctxm add command \
5516        -label {Paste} \
5517        -font font_ui \
5518        -command {tk_textPaste $ui_comm}
5519$ctxm add command \
5520        -label {Delete} \
5521        -font font_ui \
5522        -command {$ui_comm delete sel.first sel.last}
5523$ctxm add separator
5524$ctxm add command \
5525        -label {Select All} \
5526        -font font_ui \
5527        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
5528$ctxm add command \
5529        -label {Copy All} \
5530        -font font_ui \
5531        -command {
5532                $ui_comm tag add sel 0.0 end
5533                tk_textCopy $ui_comm
5534                $ui_comm tag remove sel 0.0 end
5535        }
5536$ctxm add separator
5537$ctxm add command \
5538        -label {Sign Off} \
5539        -font font_ui \
5540        -command do_signoff
5541bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
5542
5543# -- Diff Header
5544#
5545set current_diff_path {}
5546set current_diff_side {}
5547set diff_actions [list]
5548proc trace_current_diff_path {varname args} {
5549        global current_diff_path diff_actions file_states
5550        if {$current_diff_path eq {}} {
5551                set s {}
5552                set f {}
5553                set p {}
5554                set o disabled
5555        } else {
5556                set p $current_diff_path
5557                set s [mapdesc [lindex $file_states($p) 0] $p]
5558                set f {File:}
5559                set p [escape_path $p]
5560                set o normal
5561        }
5562
5563        .vpane.lower.diff.header.status configure -text $s
5564        .vpane.lower.diff.header.file configure -text $f
5565        .vpane.lower.diff.header.path configure -text $p
5566        foreach w $diff_actions {
5567                uplevel #0 $w $o
5568        }
5569}
5570trace add variable current_diff_path write trace_current_diff_path
5571
5572frame .vpane.lower.diff.header -background orange
5573label .vpane.lower.diff.header.status \
5574        -background orange \
5575        -width $max_status_desc \
5576        -anchor w \
5577        -justify left \
5578        -font font_ui
5579label .vpane.lower.diff.header.file \
5580        -background orange \
5581        -anchor w \
5582        -justify left \
5583        -font font_ui
5584label .vpane.lower.diff.header.path \
5585        -background orange \
5586        -anchor w \
5587        -justify left \
5588        -font font_ui
5589pack .vpane.lower.diff.header.status -side left
5590pack .vpane.lower.diff.header.file -side left
5591pack .vpane.lower.diff.header.path -fill x
5592set ctxm .vpane.lower.diff.header.ctxm
5593menu $ctxm -tearoff 0
5594$ctxm add command \
5595        -label {Copy} \
5596        -font font_ui \
5597        -command {
5598                clipboard clear
5599                clipboard append \
5600                        -format STRING \
5601                        -type STRING \
5602                        -- $current_diff_path
5603        }
5604lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5605bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
5606
5607# -- Diff Body
5608#
5609frame .vpane.lower.diff.body
5610set ui_diff .vpane.lower.diff.body.t
5611text $ui_diff -background white -borderwidth 0 \
5612        -width 80 -height 15 -wrap none \
5613        -font font_diff \
5614        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
5615        -yscrollcommand {.vpane.lower.diff.body.sby set} \
5616        -state disabled
5617scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
5618        -command [list $ui_diff xview]
5619scrollbar .vpane.lower.diff.body.sby -orient vertical \
5620        -command [list $ui_diff yview]
5621pack .vpane.lower.diff.body.sbx -side bottom -fill x
5622pack .vpane.lower.diff.body.sby -side right -fill y
5623pack $ui_diff -side left -fill both -expand 1
5624pack .vpane.lower.diff.header -side top -fill x
5625pack .vpane.lower.diff.body -side bottom -fill both -expand 1
5626
5627$ui_diff tag conf d_cr -elide true
5628$ui_diff tag conf d_@ -foreground blue -font font_diffbold
5629$ui_diff tag conf d_+ -foreground {#00a000}
5630$ui_diff tag conf d_- -foreground red
5631
5632$ui_diff tag conf d_++ -foreground {#00a000}
5633$ui_diff tag conf d_-- -foreground red
5634$ui_diff tag conf d_+s \
5635        -foreground {#00a000} \
5636        -background {#e2effa}
5637$ui_diff tag conf d_-s \
5638        -foreground red \
5639        -background {#e2effa}
5640$ui_diff tag conf d_s+ \
5641        -foreground {#00a000} \
5642        -background ivory1
5643$ui_diff tag conf d_s- \
5644        -foreground red \
5645        -background ivory1
5646
5647$ui_diff tag conf d<<<<<<< \
5648        -foreground orange \
5649        -font font_diffbold
5650$ui_diff tag conf d======= \
5651        -foreground orange \
5652        -font font_diffbold
5653$ui_diff tag conf d>>>>>>> \
5654        -foreground orange \
5655        -font font_diffbold
5656
5657$ui_diff tag raise sel
5658
5659# -- Diff Body Context Menu
5660#
5661set ctxm .vpane.lower.diff.body.ctxm
5662menu $ctxm -tearoff 0
5663$ctxm add command \
5664        -label {Refresh} \
5665        -font font_ui \
5666        -command reshow_diff
5667lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5668$ctxm add command \
5669        -label {Copy} \
5670        -font font_ui \
5671        -command {tk_textCopy $ui_diff}
5672lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5673$ctxm add command \
5674        -label {Select All} \
5675        -font font_ui \
5676        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
5677lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5678$ctxm add command \
5679        -label {Copy All} \
5680        -font font_ui \
5681        -command {
5682                $ui_diff tag add sel 0.0 end
5683                tk_textCopy $ui_diff
5684                $ui_diff tag remove sel 0.0 end
5685        }
5686lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5687$ctxm add separator
5688$ctxm add command \
5689        -label {Apply/Reverse Hunk} \
5690        -font font_ui \
5691        -command {apply_hunk $cursorX $cursorY}
5692set ui_diff_applyhunk [$ctxm index last]
5693lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
5694$ctxm add separator
5695$ctxm add command \
5696        -label {Decrease Font Size} \
5697        -font font_ui \
5698        -command {incr_font_size font_diff -1}
5699lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5700$ctxm add command \
5701        -label {Increase Font Size} \
5702        -font font_ui \
5703        -command {incr_font_size font_diff 1}
5704lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5705$ctxm add separator
5706$ctxm add command \
5707        -label {Show Less Context} \
5708        -font font_ui \
5709        -command {if {$repo_config(gui.diffcontext) >= 2} {
5710                incr repo_config(gui.diffcontext) -1
5711                reshow_diff
5712        }}
5713lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5714$ctxm add command \
5715        -label {Show More Context} \
5716        -font font_ui \
5717        -command {
5718                incr repo_config(gui.diffcontext)
5719                reshow_diff
5720        }
5721lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5722$ctxm add separator
5723$ctxm add command -label {Options...} \
5724        -font font_ui \
5725        -command do_options
5726bind_button3 $ui_diff "
5727        set cursorX %x
5728        set cursorY %y
5729        if {\$ui_index eq \$current_diff_side} {
5730                $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
5731        } else {
5732                $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
5733        }
5734        tk_popup $ctxm %X %Y
5735"
5736unset ui_diff_applyhunk
5737
5738# -- Status Bar
5739#
5740set ui_status_value {Initializing...}
5741label .status -textvariable ui_status_value \
5742        -anchor w \
5743        -justify left \
5744        -borderwidth 1 \
5745        -relief sunken \
5746        -font font_ui
5747pack .status -anchor w -side bottom -fill x
5748
5749# -- Load geometry
5750#
5751catch {
5752set gm $repo_config(gui.geometry)
5753wm geometry . [lindex $gm 0]
5754.vpane sash place 0 \
5755        [lindex [.vpane sash coord 0] 0] \
5756        [lindex $gm 1]
5757.vpane.files sash place 0 \
5758        [lindex $gm 2] \
5759        [lindex [.vpane.files sash coord 0] 1]
5760unset gm
5761}
5762
5763# -- Key Bindings
5764#
5765bind $ui_comm <$M1B-Key-Return> {do_commit;break}
5766bind $ui_comm <$M1B-Key-i> {do_add_all;break}
5767bind $ui_comm <$M1B-Key-I> {do_add_all;break}
5768bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
5769bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
5770bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
5771bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
5772bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
5773bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
5774bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5775bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5776
5777bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
5778bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
5779bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
5780bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
5781bind $ui_diff <$M1B-Key-v> {break}
5782bind $ui_diff <$M1B-Key-V> {break}
5783bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5784bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5785bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
5786bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
5787bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
5788bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
5789bind $ui_diff <Button-1>   {focus %W}
5790
5791if {[is_enabled branch]} {
5792        bind . <$M1B-Key-n> do_create_branch
5793        bind . <$M1B-Key-N> do_create_branch
5794}
5795
5796bind all <Key-F5> do_rescan
5797bind all <$M1B-Key-r> do_rescan
5798bind all <$M1B-Key-R> do_rescan
5799bind .   <$M1B-Key-s> do_signoff
5800bind .   <$M1B-Key-S> do_signoff
5801bind .   <$M1B-Key-i> do_add_all
5802bind .   <$M1B-Key-I> do_add_all
5803bind .   <$M1B-Key-Return> do_commit
5804foreach i [list $ui_index $ui_workdir] {
5805        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
5806        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
5807        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
5808}
5809unset i
5810
5811set file_lists($ui_index) [list]
5812set file_lists($ui_workdir) [list]
5813
5814set HEAD {}
5815set PARENT {}
5816set MERGE_HEAD [list]
5817set commit_type {}
5818set empty_tree {}
5819set current_branch {}
5820set current_diff_path {}
5821set selected_commit_type new
5822
5823wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
5824focus -force $ui_comm
5825
5826# -- Warn the user about environmental problems.  Cygwin's Tcl
5827#    does *not* pass its env array onto any processes it spawns.
5828#    This means that git processes get none of our environment.
5829#
5830if {[is_Cygwin]} {
5831        set ignored_env 0
5832        set suggest_user {}
5833        set msg "Possible environment issues exist.
5834
5835The following environment variables are probably
5836going to be ignored by any Git subprocess run
5837by [appname]:
5838
5839"
5840        foreach name [array names env] {
5841                switch -regexp -- $name {
5842                {^GIT_INDEX_FILE$} -
5843                {^GIT_OBJECT_DIRECTORY$} -
5844                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
5845                {^GIT_DIFF_OPTS$} -
5846                {^GIT_EXTERNAL_DIFF$} -
5847                {^GIT_PAGER$} -
5848                {^GIT_TRACE$} -
5849                {^GIT_CONFIG$} -
5850                {^GIT_CONFIG_LOCAL$} -
5851                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
5852                        append msg " - $name\n"
5853                        incr ignored_env
5854                }
5855                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
5856                        append msg " - $name\n"
5857                        incr ignored_env
5858                        set suggest_user $name
5859                }
5860                }
5861        }
5862        if {$ignored_env > 0} {
5863                append msg "
5864This is due to a known issue with the
5865Tcl binary distributed by Cygwin."
5866
5867                if {$suggest_user ne {}} {
5868                        append msg "
5869
5870A good replacement for $suggest_user
5871is placing values for the user.name and
5872user.email settings into your personal
5873~/.gitconfig file.
5874"
5875                }
5876                warn_popup $msg
5877        }
5878        unset ignored_env msg suggest_user name
5879}
5880
5881# -- Only initialize complex UI if we are going to stay running.
5882#
5883if {[is_enabled transport]} {
5884        load_all_remotes
5885        load_all_heads
5886
5887        populate_branch_menu
5888        populate_fetch_menu
5889        populate_push_menu
5890}
5891
5892# -- Only suggest a gc run if we are going to stay running.
5893#
5894if {[is_enabled multicommit]} {
5895        set object_limit 2000
5896        if {[is_Windows]} {set object_limit 200}
5897        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
5898        if {$objects_current >= $object_limit} {
5899                if {[ask_popup \
5900                        "This repository currently has $objects_current loose objects.
5901
5902To maintain optimal performance it is strongly
5903recommended that you compress the database
5904when more than $object_limit loose objects exist.
5905
5906Compress the database now?"] eq yes} {
5907                        do_gc
5908                }
5909        }
5910        unset object_limit _junk objects_current
5911}
5912
5913lock_index begin-read
5914after 1 do_rescan