9a2b70b47558046bcdda3702c83a347e8e08fae5
   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 _reponame {}
  30
  31proc appname {} {
  32        global _appname
  33        return $_appname
  34}
  35
  36proc gitdir {args} {
  37        global _gitdir
  38        if {$args eq {}} {
  39                return $_gitdir
  40        }
  41        return [eval [concat [list file join $_gitdir] $args]]
  42}
  43
  44proc reponame {} {
  45        global _reponame
  46        return $_reponame
  47}
  48
  49######################################################################
  50##
  51## config
  52
  53proc is_many_config {name} {
  54        switch -glob -- $name {
  55        remote.*.fetch -
  56        remote.*.push
  57                {return 1}
  58        *
  59                {return 0}
  60        }
  61}
  62
  63proc load_config {include_global} {
  64        global repo_config global_config default_config
  65
  66        array unset global_config
  67        if {$include_global} {
  68                catch {
  69                        set fd_rc [open "| git repo-config --global --list" r]
  70                        while {[gets $fd_rc line] >= 0} {
  71                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  72                                        if {[is_many_config $name]} {
  73                                                lappend global_config($name) $value
  74                                        } else {
  75                                                set global_config($name) $value
  76                                        }
  77                                }
  78                        }
  79                        close $fd_rc
  80                }
  81        }
  82
  83        array unset repo_config
  84        catch {
  85                set fd_rc [open "| git repo-config --list" r]
  86                while {[gets $fd_rc line] >= 0} {
  87                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  88                                if {[is_many_config $name]} {
  89                                        lappend repo_config($name) $value
  90                                } else {
  91                                        set repo_config($name) $value
  92                                }
  93                        }
  94                }
  95                close $fd_rc
  96        }
  97
  98        foreach name [array names default_config] {
  99                if {[catch {set v $global_config($name)}]} {
 100                        set global_config($name) $default_config($name)
 101                }
 102                if {[catch {set v $repo_config($name)}]} {
 103                        set repo_config($name) $default_config($name)
 104                }
 105        }
 106}
 107
 108proc save_config {} {
 109        global default_config font_descs
 110        global repo_config global_config
 111        global repo_config_new global_config_new
 112
 113        foreach option $font_descs {
 114                set name [lindex $option 0]
 115                set font [lindex $option 1]
 116                font configure $font \
 117                        -family $global_config_new(gui.$font^^family) \
 118                        -size $global_config_new(gui.$font^^size)
 119                font configure ${font}bold \
 120                        -family $global_config_new(gui.$font^^family) \
 121                        -size $global_config_new(gui.$font^^size)
 122                set global_config_new(gui.$name) [font configure $font]
 123                unset global_config_new(gui.$font^^family)
 124                unset global_config_new(gui.$font^^size)
 125        }
 126
 127        foreach name [array names default_config] {
 128                set value $global_config_new($name)
 129                if {$value ne $global_config($name)} {
 130                        if {$value eq $default_config($name)} {
 131                                catch {exec git repo-config --global --unset $name}
 132                        } else {
 133                                regsub -all "\[{}\]" $value {"} value
 134                                exec git repo-config --global $name $value
 135                        }
 136                        set global_config($name) $value
 137                        if {$value eq $repo_config($name)} {
 138                                catch {exec git repo-config --unset $name}
 139                                set repo_config($name) $value
 140                        }
 141                }
 142        }
 143
 144        foreach name [array names default_config] {
 145                set value $repo_config_new($name)
 146                if {$value ne $repo_config($name)} {
 147                        if {$value eq $global_config($name)} {
 148                                catch {exec git repo-config --unset $name}
 149                        } else {
 150                                regsub -all "\[{}\]" $value {"} value
 151                                exec git repo-config $name $value
 152                        }
 153                        set repo_config($name) $value
 154                }
 155        }
 156}
 157
 158proc error_popup {msg} {
 159        set title [appname]
 160        if {[reponame] ne {}} {
 161                append title " ([reponame])"
 162        }
 163        set cmd [list tk_messageBox \
 164                -icon error \
 165                -type ok \
 166                -title "$title: error" \
 167                -message $msg]
 168        if {[winfo ismapped .]} {
 169                lappend cmd -parent .
 170        }
 171        eval $cmd
 172}
 173
 174proc warn_popup {msg} {
 175        set title [appname]
 176        if {[reponame] ne {}} {
 177                append title " ([reponame])"
 178        }
 179        set cmd [list tk_messageBox \
 180                -icon warning \
 181                -type ok \
 182                -title "$title: warning" \
 183                -message $msg]
 184        if {[winfo ismapped .]} {
 185                lappend cmd -parent .
 186        }
 187        eval $cmd
 188}
 189
 190proc info_popup {msg} {
 191        set title [appname]
 192        if {[reponame] ne {}} {
 193                append title " ([reponame])"
 194        }
 195        tk_messageBox \
 196                -parent . \
 197                -icon info \
 198                -type ok \
 199                -title $title \
 200                -message $msg
 201}
 202
 203proc ask_popup {msg} {
 204        set title [appname]
 205        if {[reponame] ne {}} {
 206                append title " ([reponame])"
 207        }
 208        return [tk_messageBox \
 209                -parent . \
 210                -icon question \
 211                -type yesno \
 212                -title $title \
 213                -message $msg]
 214}
 215
 216######################################################################
 217##
 218## repository setup
 219
 220if {   [catch {set _gitdir $env(GIT_DIR)}]
 221        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 222        catch {wm withdraw .}
 223        error_popup "Cannot find the git directory:\n\n$err"
 224        exit 1
 225}
 226if {![file isdirectory $_gitdir]} {
 227        catch {wm withdraw .}
 228        error_popup "Git directory not found:\n\n$_gitdir"
 229        exit 1
 230}
 231if {[lindex [file split $_gitdir] end] ne {.git}} {
 232        catch {wm withdraw .}
 233        error_popup "Cannot use funny .git directory:\n\n$gitdir"
 234        exit 1
 235}
 236if {[catch {cd [file dirname $_gitdir]} err]} {
 237        catch {wm withdraw .}
 238        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 239        exit 1
 240}
 241set _reponame [lindex [file split \
 242        [file normalize [file dirname $_gitdir]]] \
 243        end]
 244
 245set single_commit 0
 246if {[appname] eq {git-citool}} {
 247        set single_commit 1
 248}
 249
 250######################################################################
 251##
 252## task management
 253
 254set rescan_active 0
 255set diff_active 0
 256set last_clicked {}
 257
 258set disable_on_lock [list]
 259set index_lock_type none
 260
 261proc lock_index {type} {
 262        global index_lock_type disable_on_lock
 263
 264        if {$index_lock_type eq {none}} {
 265                set index_lock_type $type
 266                foreach w $disable_on_lock {
 267                        uplevel #0 $w disabled
 268                }
 269                return 1
 270        } elseif {$index_lock_type eq "begin-$type"} {
 271                set index_lock_type $type
 272                return 1
 273        }
 274        return 0
 275}
 276
 277proc unlock_index {} {
 278        global index_lock_type disable_on_lock
 279
 280        set index_lock_type none
 281        foreach w $disable_on_lock {
 282                uplevel #0 $w normal
 283        }
 284}
 285
 286######################################################################
 287##
 288## status
 289
 290proc repository_state {ctvar hdvar mhvar} {
 291        global current_branch
 292        upvar $ctvar ct $hdvar hd $mhvar mh
 293
 294        set mh [list]
 295
 296        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 297                set current_branch {}
 298        } else {
 299                regsub ^refs/((heads|tags|remotes)/)? \
 300                        $current_branch \
 301                        {} \
 302                        current_branch
 303        }
 304
 305        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 306                set hd {}
 307                set ct initial
 308                return
 309        }
 310
 311        set merge_head [gitdir MERGE_HEAD]
 312        if {[file exists $merge_head]} {
 313                set ct merge
 314                set fd_mh [open $merge_head r]
 315                while {[gets $fd_mh line] >= 0} {
 316                        lappend mh $line
 317                }
 318                close $fd_mh
 319                return
 320        }
 321
 322        set ct normal
 323}
 324
 325proc PARENT {} {
 326        global PARENT empty_tree
 327
 328        set p [lindex $PARENT 0]
 329        if {$p ne {}} {
 330                return $p
 331        }
 332        if {$empty_tree eq {}} {
 333                set empty_tree [exec git mktree << {}]
 334        }
 335        return $empty_tree
 336}
 337
 338proc rescan {after} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$rescan_active > 0 || ![lock_index read]} return
 345
 346        repository_state newType newHEAD newMERGE_HEAD
 347        if {[string match amend* $commit_type]
 348                && $newType eq {normal}
 349                && $newHEAD eq $HEAD} {
 350        } else {
 351                set HEAD $newHEAD
 352                set PARENT $newHEAD
 353                set MERGE_HEAD $newMERGE_HEAD
 354                set commit_type $newType
 355        }
 356
 357        array unset file_states
 358
 359        if {![$ui_comm edit modified]
 360                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                if {[load_message GITGUI_MSG]} {
 362                } elseif {[load_message MERGE_MSG]} {
 363                } elseif {[load_message SQUASH_MSG]} {
 364                }
 365                $ui_comm edit reset
 366                $ui_comm edit modified false
 367        }
 368
 369        if {$repo_config(gui.trustmtime) eq {true}} {
 370                rescan_stage2 {} $after
 371        } else {
 372                set rescan_active 1
 373                set ui_status_value {Refreshing file status...}
 374                set cmd [list git update-index]
 375                lappend cmd -q
 376                lappend cmd --unmerged
 377                lappend cmd --ignore-missing
 378                lappend cmd --refresh
 379                set fd_rf [open "| $cmd" r]
 380                fconfigure $fd_rf -blocking 0 -translation binary
 381                fileevent $fd_rf readable \
 382                        [list rescan_stage2 $fd_rf $after]
 383        }
 384}
 385
 386proc rescan_stage2 {fd after} {
 387        global ui_status_value
 388        global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390        if {$fd ne {}} {
 391                read $fd
 392                if {![eof $fd]} return
 393                close $fd
 394        }
 395
 396        set ls_others [list | git ls-files --others -z \
 397                --exclude-per-directory=.gitignore]
 398        set info_exclude [gitdir info exclude]
 399        if {[file readable $info_exclude]} {
 400                lappend ls_others "--exclude-from=$info_exclude"
 401        }
 402
 403        set buf_rdi {}
 404        set buf_rdf {}
 405        set buf_rlo {}
 406
 407        set rescan_active 3
 408        set ui_status_value {Scanning for modified files ...}
 409        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410        set fd_df [open "| git diff-files -z" r]
 411        set fd_lo [open $ls_others r]
 412
 413        fconfigure $fd_di -blocking 0 -translation binary
 414        fconfigure $fd_df -blocking 0 -translation binary
 415        fconfigure $fd_lo -blocking 0 -translation binary
 416        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 417        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 418        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 419}
 420
 421proc load_message {file} {
 422        global ui_comm
 423
 424        set f [gitdir $file]
 425        if {[file isfile $f]} {
 426                if {[catch {set fd [open $f r]}]} {
 427                        return 0
 428                }
 429                set content [string trim [read $fd]]
 430                close $fd
 431                $ui_comm delete 0.0 end
 432                $ui_comm insert end $content
 433                return 1
 434        }
 435        return 0
 436}
 437
 438proc read_diff_index {fd after} {
 439        global buf_rdi
 440
 441        append buf_rdi [read $fd]
 442        set c 0
 443        set n [string length $buf_rdi]
 444        while {$c < $n} {
 445                set z1 [string first "\0" $buf_rdi $c]
 446                if {$z1 == -1} break
 447                incr z1
 448                set z2 [string first "\0" $buf_rdi $z1]
 449                if {$z2 == -1} break
 450
 451                incr c
 452                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 453                merge_state \
 454                        [string range $buf_rdi $z1 [expr {$z2 - 1}]] \
 455                        [lindex $i 4]? \
 456                        [list [lindex $i 0] [lindex $i 2]] \
 457                        [list]
 458                set c $z2
 459                incr c
 460        }
 461        if {$c < $n} {
 462                set buf_rdi [string range $buf_rdi $c end]
 463        } else {
 464                set buf_rdi {}
 465        }
 466
 467        rescan_done $fd buf_rdi $after
 468}
 469
 470proc read_diff_files {fd after} {
 471        global buf_rdf
 472
 473        append buf_rdf [read $fd]
 474        set c 0
 475        set n [string length $buf_rdf]
 476        while {$c < $n} {
 477                set z1 [string first "\0" $buf_rdf $c]
 478                if {$z1 == -1} break
 479                incr z1
 480                set z2 [string first "\0" $buf_rdf $z1]
 481                if {$z2 == -1} break
 482
 483                incr c
 484                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 485                merge_state \
 486                        [string range $buf_rdf $z1 [expr {$z2 - 1}]] \
 487                        ?[lindex $i 4] \
 488                        [list] \
 489                        [list [lindex $i 0] [lindex $i 2]]
 490                set c $z2
 491                incr c
 492        }
 493        if {$c < $n} {
 494                set buf_rdf [string range $buf_rdf $c end]
 495        } else {
 496                set buf_rdf {}
 497        }
 498
 499        rescan_done $fd buf_rdf $after
 500}
 501
 502proc read_ls_others {fd after} {
 503        global buf_rlo
 504
 505        append buf_rlo [read $fd]
 506        set pck [split $buf_rlo "\0"]
 507        set buf_rlo [lindex $pck end]
 508        foreach p [lrange $pck 0 end-1] {
 509                merge_state $p ?O
 510        }
 511        rescan_done $fd buf_rlo $after
 512}
 513
 514proc rescan_done {fd buf after} {
 515        global rescan_active
 516        global file_states repo_config
 517        upvar $buf to_clear
 518
 519        if {![eof $fd]} return
 520        set to_clear {}
 521        close $fd
 522        if {[incr rescan_active -1] > 0} return
 523
 524        prune_selection
 525        unlock_index
 526        display_all_files
 527
 528        if {$repo_config(gui.partialinclude) ne {true}} {
 529                set pathList [list]
 530                foreach path [array names file_states] {
 531                        switch -- [lindex $file_states($path) 0] {
 532                        A? -
 533                        M? {lappend pathList $path}
 534                        }
 535                }
 536                if {$pathList ne {}} {
 537                        update_index \
 538                                "Updating included files" \
 539                                $pathList \
 540                                [concat {reshow_diff;} $after]
 541                        return
 542                }
 543        }
 544
 545        reshow_diff
 546        uplevel #0 $after
 547}
 548
 549proc prune_selection {} {
 550        global file_states selected_paths
 551
 552        foreach path [array names selected_paths] {
 553                if {[catch {set still_here $file_states($path)}]} {
 554                        unset selected_paths($path)
 555                }
 556        }
 557}
 558
 559######################################################################
 560##
 561## diff
 562
 563proc clear_diff {} {
 564        global ui_diff current_diff ui_index ui_workdir
 565
 566        $ui_diff conf -state normal
 567        $ui_diff delete 0.0 end
 568        $ui_diff conf -state disabled
 569
 570        set current_diff {}
 571
 572        $ui_index tag remove in_diff 0.0 end
 573        $ui_workdir tag remove in_diff 0.0 end
 574}
 575
 576proc reshow_diff {} {
 577        global current_diff ui_status_value file_states
 578
 579        if {$current_diff eq {}
 580                || [catch {set s $file_states($current_diff)}]} {
 581                clear_diff
 582        } else {
 583                show_diff $current_diff
 584        }
 585}
 586
 587proc handle_empty_diff {} {
 588        global current_diff file_states file_lists
 589
 590        set path $current_diff
 591        set s $file_states($path)
 592        if {[lindex $s 0] ne {_M}} return
 593
 594        info_popup "No differences detected.
 595
 596[short_path $path] has no changes.
 597
 598The modification date of this file was updated
 599by another application and you currently have
 600the Trust File Modification Timestamps option
 601enabled, so Git did not automatically detect
 602that there are no content differences in this
 603file.
 604
 605This file will now be removed from the modified
 606files list, to prevent possible confusion.
 607"
 608        if {[catch {exec git update-index -- $path} err]} {
 609                error_popup "Failed to refresh index:\n\n$err"
 610        }
 611
 612        clear_diff
 613        display_file $path __
 614}
 615
 616proc show_diff {path {w {}} {lno {}}} {
 617        global file_states file_lists
 618        global is_3way_diff diff_active repo_config
 619        global ui_diff current_diff ui_status_value
 620
 621        if {$diff_active || ![lock_index read]} return
 622
 623        clear_diff
 624        if {$w eq {} || $lno == {}} {
 625                foreach w [array names file_lists] {
 626                        set lno [lsearch -sorted $file_lists($w) $path]
 627                        if {$lno >= 0} {
 628                                incr lno
 629                                break
 630                        }
 631                }
 632        }
 633        if {$w ne {} && $lno >= 1} {
 634                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 635        }
 636
 637        set s $file_states($path)
 638        set m [lindex $s 0]
 639        set is_3way_diff 0
 640        set diff_active 1
 641        set current_diff $path
 642        set ui_status_value "Loading diff of [escape_path $path]..."
 643
 644        set cmd [list | git diff-index]
 645        lappend cmd --no-color
 646        if {$repo_config(gui.diffcontext) > 0} {
 647                lappend cmd "-U$repo_config(gui.diffcontext)"
 648        }
 649        lappend cmd -p
 650
 651        switch $m {
 652        MM {
 653                lappend cmd -c
 654        }
 655        _O {
 656                if {[catch {
 657                                set fd [open $path r]
 658                                set content [read $fd]
 659                                close $fd
 660                        } err ]} {
 661                        set diff_active 0
 662                        unlock_index
 663                        set ui_status_value "Unable to display [escape_path $path]"
 664                        error_popup "Error loading file:\n\n$err"
 665                        return
 666                }
 667                $ui_diff conf -state normal
 668                $ui_diff insert end $content
 669                $ui_diff conf -state disabled
 670                set diff_active 0
 671                unlock_index
 672                set ui_status_value {Ready.}
 673                return
 674        }
 675        }
 676
 677        lappend cmd [PARENT]
 678        lappend cmd --
 679        lappend cmd $path
 680
 681        if {[catch {set fd [open $cmd r]} err]} {
 682                set diff_active 0
 683                unlock_index
 684                set ui_status_value "Unable to display [escape_path $path]"
 685                error_popup "Error loading diff:\n\n$err"
 686                return
 687        }
 688
 689        fconfigure $fd -blocking 0 -translation auto
 690        fileevent $fd readable [list read_diff $fd]
 691}
 692
 693proc read_diff {fd} {
 694        global ui_diff ui_status_value is_3way_diff diff_active
 695        global repo_config
 696
 697        $ui_diff conf -state normal
 698        while {[gets $fd line] >= 0} {
 699                # -- Cleanup uninteresting diff header lines.
 700                #
 701                if {[string match {diff --git *}      $line]} continue
 702                if {[string match {diff --combined *} $line]} continue
 703                if {[string match {--- *}             $line]} continue
 704                if {[string match {+++ *}             $line]} continue
 705                if {$line eq {deleted file mode 120000}} {
 706                        set line "deleted symlink"
 707                }
 708
 709                # -- Automatically detect if this is a 3 way diff.
 710                #
 711                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 712
 713                # -- Reformat a 3 way diff, 'cause its too weird.
 714                #
 715                if {$is_3way_diff} {
 716                        set op [string range $line 0 1]
 717                        switch -- $op {
 718                        {@@} {set tags d_@}
 719                        {++} {set tags d_+ ; set op { +}}
 720                        {--} {set tags d_- ; set op { -}}
 721                        { +} {set tags d_++; set op {++}}
 722                        { -} {set tags d_--; set op {--}}
 723                        {+ } {set tags d_-+; set op {-+}}
 724                        {- } {set tags d_+-; set op {+-}}
 725                        default {set tags {}}
 726                        }
 727                        set line [string replace $line 0 1 $op]
 728                } else {
 729                        switch -- [string index $line 0] {
 730                        @ {set tags d_@}
 731                        + {set tags d_+}
 732                        - {set tags d_-}
 733                        default {set tags {}}
 734                        }
 735                }
 736                $ui_diff insert end $line $tags
 737                $ui_diff insert end "\n" $tags
 738        }
 739        $ui_diff conf -state disabled
 740
 741        if {[eof $fd]} {
 742                close $fd
 743                set diff_active 0
 744                unlock_index
 745                set ui_status_value {Ready.}
 746
 747                if {$repo_config(gui.trustmtime) eq {true}
 748                        && [$ui_diff index end] eq {2.0}} {
 749                        handle_empty_diff
 750                }
 751        }
 752}
 753
 754######################################################################
 755##
 756## commit
 757
 758proc load_last_commit {} {
 759        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 760
 761        if {[llength $PARENT] == 0} {
 762                error_popup {There is nothing to amend.
 763
 764You are about to create the initial commit.
 765There is no commit before this to amend.
 766}
 767                return
 768        }
 769
 770        repository_state curType curHEAD curMERGE_HEAD
 771        if {$curType eq {merge}} {
 772                error_popup {Cannot amend while merging.
 773
 774You are currently in the middle of a merge that
 775has not been fully completed.  You cannot amend
 776the prior commit unless you first abort the
 777current merge activity.
 778}
 779                return
 780        }
 781
 782        set msg {}
 783        set parents [list]
 784        if {[catch {
 785                        set fd [open "| git cat-file commit $curHEAD" r]
 786                        while {[gets $fd line] > 0} {
 787                                if {[string match {parent *} $line]} {
 788                                        lappend parents [string range $line 7 end]
 789                                }
 790                        }
 791                        set msg [string trim [read $fd]]
 792                        close $fd
 793                } err]} {
 794                error_popup "Error loading commit data for amend:\n\n$err"
 795                return
 796        }
 797
 798        set HEAD $curHEAD
 799        set PARENT $parents
 800        set MERGE_HEAD [list]
 801        switch -- [llength $parents] {
 802        0       {set commit_type amend-initial}
 803        1       {set commit_type amend}
 804        default {set commit_type amend-merge}
 805        }
 806
 807        $ui_comm delete 0.0 end
 808        $ui_comm insert end $msg
 809        $ui_comm edit reset
 810        $ui_comm edit modified false
 811        rescan {set ui_status_value {Ready.}}
 812}
 813
 814proc create_new_commit {} {
 815        global commit_type ui_comm
 816
 817        set commit_type normal
 818        $ui_comm delete 0.0 end
 819        $ui_comm edit reset
 820        $ui_comm edit modified false
 821        rescan {set ui_status_value {Ready.}}
 822}
 823
 824set GIT_COMMITTER_IDENT {}
 825
 826proc committer_ident {} {
 827        global GIT_COMMITTER_IDENT
 828
 829        if {$GIT_COMMITTER_IDENT eq {}} {
 830                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 831                        error_popup "Unable to obtain your identity:\n\n$err"
 832                        return {}
 833                }
 834                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 835                        $me me GIT_COMMITTER_IDENT]} {
 836                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 837                        return {}
 838                }
 839        }
 840
 841        return $GIT_COMMITTER_IDENT
 842}
 843
 844proc commit_tree {} {
 845        global HEAD commit_type file_states ui_comm repo_config
 846
 847        if {![lock_index update]} return
 848        if {[committer_ident] eq {}} return
 849
 850        # -- Our in memory state should match the repository.
 851        #
 852        repository_state curType curHEAD curMERGE_HEAD
 853        if {[string match amend* $commit_type]
 854                && $curType eq {normal}
 855                && $curHEAD eq $HEAD} {
 856        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 857                info_popup {Last scanned state does not match repository state.
 858
 859Another Git program has modified this repository
 860since the last scan.  A rescan must be performed
 861before another commit can be created.
 862
 863The rescan will be automatically started now.
 864}
 865                unlock_index
 866                rescan {set ui_status_value {Ready.}}
 867                return
 868        }
 869
 870        # -- At least one file should differ in the index.
 871        #
 872        set files_ready 0
 873        foreach path [array names file_states] {
 874                switch -glob -- [lindex $file_states($path) 0] {
 875                _? {continue}
 876                A? -
 877                D? -
 878                M? {set files_ready 1; break}
 879                U? {
 880                        error_popup "Unmerged files cannot be committed.
 881
 882File [short_path $path] has merge conflicts.
 883You must resolve them and include the file before committing.
 884"
 885                        unlock_index
 886                        return
 887                }
 888                default {
 889                        error_popup "Unknown file state [lindex $s 0] detected.
 890
 891File [short_path $path] cannot be committed by this program.
 892"
 893                }
 894                }
 895        }
 896        if {!$files_ready} {
 897                error_popup {No included files to commit.
 898
 899You must include at least 1 file before you can commit.
 900}
 901                unlock_index
 902                return
 903        }
 904
 905        # -- A message is required.
 906        #
 907        set msg [string trim [$ui_comm get 1.0 end]]
 908        if {$msg eq {}} {
 909                error_popup {Please supply a commit message.
 910
 911A good commit message has the following format:
 912
 913- First line: Describe in one sentance what you did.
 914- Second line: Blank
 915- Remaining lines: Describe why this change is good.
 916}
 917                unlock_index
 918                return
 919        }
 920
 921        # -- Update included files if partialincludes are off.
 922        #
 923        if {$repo_config(gui.partialinclude) ne {true}} {
 924                set pathList [list]
 925                foreach path [array names file_states] {
 926                        switch -glob -- [lindex $file_states($path) 0] {
 927                        A? -
 928                        M? {lappend pathList $path}
 929                        }
 930                }
 931                if {$pathList ne {}} {
 932                        unlock_index
 933                        update_index \
 934                                "Updating included files" \
 935                                $pathList \
 936                                [concat {lock_index update;} \
 937                                        [list commit_prehook $curHEAD $msg]]
 938                        return
 939                }
 940        }
 941
 942        commit_prehook $curHEAD $msg
 943}
 944
 945proc commit_prehook {curHEAD msg} {
 946        global ui_status_value pch_error
 947
 948        set pchook [gitdir hooks pre-commit]
 949
 950        # On Cygwin [file executable] might lie so we need to ask
 951        # the shell if the hook is executable.  Yes that's annoying.
 952        #
 953        if {[is_Windows] && [file isfile $pchook]} {
 954                set pchook [list sh -c [concat \
 955                        "if test -x \"$pchook\";" \
 956                        "then exec \"$pchook\" 2>&1;" \
 957                        "fi"]]
 958        } elseif {[file executable $pchook]} {
 959                set pchook [list $pchook |& cat]
 960        } else {
 961                commit_writetree $curHEAD $msg
 962                return
 963        }
 964
 965        set ui_status_value {Calling pre-commit hook...}
 966        set pch_error {}
 967        set fd_ph [open "| $pchook" r]
 968        fconfigure $fd_ph -blocking 0 -translation binary
 969        fileevent $fd_ph readable \
 970                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 971}
 972
 973proc commit_prehook_wait {fd_ph curHEAD msg} {
 974        global pch_error ui_status_value
 975
 976        append pch_error [read $fd_ph]
 977        fconfigure $fd_ph -blocking 1
 978        if {[eof $fd_ph]} {
 979                if {[catch {close $fd_ph}]} {
 980                        set ui_status_value {Commit declined by pre-commit hook.}
 981                        hook_failed_popup pre-commit $pch_error
 982                        unlock_index
 983                } else {
 984                        commit_writetree $curHEAD $msg
 985                }
 986                set pch_error {}
 987                return
 988        }
 989        fconfigure $fd_ph -blocking 0
 990}
 991
 992proc commit_writetree {curHEAD msg} {
 993        global ui_status_value
 994
 995        set ui_status_value {Committing changes...}
 996        set fd_wt [open "| git write-tree" r]
 997        fileevent $fd_wt readable \
 998                [list commit_committree $fd_wt $curHEAD $msg]
 999}
1000
1001proc commit_committree {fd_wt curHEAD msg} {
1002        global HEAD PARENT MERGE_HEAD commit_type
1003        global single_commit
1004        global ui_status_value ui_comm selected_commit_type
1005        global file_states selected_paths rescan_active
1006
1007        gets $fd_wt tree_id
1008        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1009                error_popup "write-tree failed:\n\n$err"
1010                set ui_status_value {Commit failed.}
1011                unlock_index
1012                return
1013        }
1014
1015        # -- Create the commit.
1016        #
1017        set cmd [list git commit-tree $tree_id]
1018        set parents [concat $PARENT $MERGE_HEAD]
1019        if {[llength $parents] > 0} {
1020                foreach p $parents {
1021                        lappend cmd -p $p
1022                }
1023        } else {
1024                # git commit-tree writes to stderr during initial commit.
1025                lappend cmd 2>/dev/null
1026        }
1027        lappend cmd << $msg
1028        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1029                error_popup "commit-tree failed:\n\n$err"
1030                set ui_status_value {Commit failed.}
1031                unlock_index
1032                return
1033        }
1034
1035        # -- Update the HEAD ref.
1036        #
1037        set reflogm commit
1038        if {$commit_type ne {normal}} {
1039                append reflogm " ($commit_type)"
1040        }
1041        set i [string first "\n" $msg]
1042        if {$i >= 0} {
1043                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1044        } else {
1045                append reflogm {: } $msg
1046        }
1047        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1048        if {[catch {eval exec $cmd} err]} {
1049                error_popup "update-ref failed:\n\n$err"
1050                set ui_status_value {Commit failed.}
1051                unlock_index
1052                return
1053        }
1054
1055        # -- Cleanup after ourselves.
1056        #
1057        catch {file delete [gitdir MERGE_HEAD]}
1058        catch {file delete [gitdir MERGE_MSG]}
1059        catch {file delete [gitdir SQUASH_MSG]}
1060        catch {file delete [gitdir GITGUI_MSG]}
1061
1062        # -- Let rerere do its thing.
1063        #
1064        if {[file isdirectory [gitdir rr-cache]]} {
1065                catch {exec git rerere}
1066        }
1067
1068        # -- Run the post-commit hook.
1069        #
1070        set pchook [gitdir hooks post-commit]
1071        if {[is_Windows] && [file isfile $pchook]} {
1072                set pchook [list sh -c [concat \
1073                        "if test -x \"$pchook\";" \
1074                        "then exec \"$pchook\";" \
1075                        "fi"]]
1076        } elseif {![file executable $pchook]} {
1077                set pchook {}
1078        }
1079        if {$pchook ne {}} {
1080                catch {exec $pchook &}
1081        }
1082
1083        $ui_comm delete 0.0 end
1084        $ui_comm edit reset
1085        $ui_comm edit modified false
1086
1087        if {$single_commit} do_quit
1088
1089        # -- Update in memory status
1090        #
1091        set selected_commit_type new
1092        set commit_type normal
1093        set HEAD $cmt_id
1094        set PARENT $cmt_id
1095        set MERGE_HEAD [list]
1096
1097        foreach path [array names file_states] {
1098                set s $file_states($path)
1099                set m [lindex $s 0]
1100                switch -glob -- $m {
1101                _O -
1102                _M -
1103                _D {continue}
1104                __ -
1105                A_ -
1106                M_ -
1107                D_ {
1108                        unset file_states($path)
1109                        catch {unset selected_paths($path)}
1110                }
1111                DO {
1112                        set file_states($path) [list _O [lindex $s 1] {} {}]
1113                }
1114                AM -
1115                AD -
1116                MM -
1117                MD -
1118                DM {
1119                        set file_states($path) [list \
1120                                _[string index $m 1] \
1121                                [lindex $s 1] \
1122                                [lindex $s 3] \
1123                                {}]
1124                }
1125                }
1126        }
1127
1128        display_all_files
1129        unlock_index
1130        reshow_diff
1131        set ui_status_value \
1132                "Changes committed as [string range $cmt_id 0 7]."
1133}
1134
1135######################################################################
1136##
1137## fetch pull push
1138
1139proc fetch_from {remote} {
1140        set w [new_console "fetch $remote" \
1141                "Fetching new changes from $remote"]
1142        set cmd [list git fetch]
1143        lappend cmd $remote
1144        console_exec $w $cmd
1145}
1146
1147proc pull_remote {remote branch} {
1148        global HEAD commit_type file_states repo_config
1149
1150        if {![lock_index update]} return
1151
1152        # -- Our in memory state should match the repository.
1153        #
1154        repository_state curType curHEAD curMERGE_HEAD
1155        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1156                info_popup {Last scanned state does not match repository state.
1157
1158Another Git program has modified this repository
1159since the last scan.  A rescan must be performed
1160before a pull operation can be started.
1161
1162The rescan will be automatically started now.
1163}
1164                unlock_index
1165                rescan {set ui_status_value {Ready.}}
1166                return
1167        }
1168
1169        # -- No differences should exist before a pull.
1170        #
1171        if {[array size file_states] != 0} {
1172                error_popup {Uncommitted but modified files are present.
1173
1174You should not perform a pull with unmodified
1175files in your working directory as Git will be
1176unable to recover from an incorrect merge.
1177
1178You should commit or revert all changes before
1179starting a pull operation.
1180}
1181                unlock_index
1182                return
1183        }
1184
1185        set w [new_console "pull $remote $branch" \
1186                "Pulling new changes from branch $branch in $remote"]
1187        set cmd [list git pull]
1188        if {$repo_config(gui.pullsummary) eq {false}} {
1189                lappend cmd --no-summary
1190        }
1191        lappend cmd $remote
1192        lappend cmd $branch
1193        console_exec $w $cmd [list post_pull_remote $remote $branch]
1194}
1195
1196proc post_pull_remote {remote branch success} {
1197        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1198        global ui_status_value
1199
1200        unlock_index
1201        if {$success} {
1202                repository_state commit_type HEAD MERGE_HEAD
1203                set PARENT $HEAD
1204                set selected_commit_type new
1205                set ui_status_value "Pulling $branch from $remote complete."
1206        } else {
1207                rescan [list set ui_status_value \
1208                        "Conflicts detected while pulling $branch from $remote."]
1209        }
1210}
1211
1212proc push_to {remote} {
1213        set w [new_console "push $remote" \
1214                "Pushing changes to $remote"]
1215        set cmd [list git push]
1216        lappend cmd $remote
1217        console_exec $w $cmd
1218}
1219
1220######################################################################
1221##
1222## ui helpers
1223
1224proc mapicon {w state path} {
1225        global all_icons
1226
1227        if {[catch {set r $all_icons($state$w)}]} {
1228                puts "error: no icon for $w state={$state} $path"
1229                return file_plain
1230        }
1231        return $r
1232}
1233
1234proc mapdesc {state path} {
1235        global all_descs
1236
1237        if {[catch {set r $all_descs($state)}]} {
1238                puts "error: no desc for state={$state} $path"
1239                return $state
1240        }
1241        return $r
1242}
1243
1244proc escape_path {path} {
1245        regsub -all "\n" $path "\\n" path
1246        return $path
1247}
1248
1249proc short_path {path} {
1250        return [escape_path [lindex [file split $path] end]]
1251}
1252
1253set next_icon_id 0
1254set null_sha1 [string repeat 0 40]
1255
1256proc merge_state {path new_state {head_info {}} {index_info {}}} {
1257        global file_states next_icon_id null_sha1
1258
1259        set s0 [string index $new_state 0]
1260        set s1 [string index $new_state 1]
1261
1262        if {[catch {set info $file_states($path)}]} {
1263                set state __
1264                set icon n[incr next_icon_id]
1265        } else {
1266                set state [lindex $info 0]
1267                set icon [lindex $info 1]
1268                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1269                if {$index_info eq {}} {set index_info [lindex $info 3]}
1270        }
1271
1272        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1273        elseif {$s0 eq {_}} {set s0 _}
1274
1275        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1276        elseif {$s1 eq {_}} {set s1 _}
1277
1278        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1279                set head_info [list 0 $null_sha1]
1280        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1281                && $head_info eq {}} {
1282                set head_info $index_info
1283        }
1284
1285        set file_states($path) [list $s0$s1 $icon \
1286                $head_info $index_info \
1287                ]
1288        return $state
1289}
1290
1291proc display_file_helper {w path icon_name old_m new_m} {
1292        global file_lists
1293
1294        if {$new_m eq {_}} {
1295                set lno [lsearch -sorted $file_lists($w) $path]
1296                if {$lno >= 0} {
1297                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1298                        incr lno
1299                        $w conf -state normal
1300                        $w delete $lno.0 [expr {$lno + 1}].0
1301                        $w conf -state disabled
1302                }
1303        } elseif {$old_m eq {_} && $new_m ne {_}} {
1304                lappend file_lists($w) $path
1305                set file_lists($w) [lsort -unique $file_lists($w)]
1306                set lno [lsearch -sorted $file_lists($w) $path]
1307                incr lno
1308                $w conf -state normal
1309                $w image create $lno.0 \
1310                        -align center -padx 5 -pady 1 \
1311                        -name $icon_name \
1312                        -image [mapicon $w $new_m $path]
1313                $w insert $lno.1 "[escape_path $path]\n"
1314                $w conf -state disabled
1315        } elseif {$old_m ne $new_m} {
1316                $w conf -state normal
1317                $w image conf $icon_name -image [mapicon $w $new_m $path]
1318                $w conf -state disabled
1319        }
1320}
1321
1322proc display_file {path state} {
1323        global file_states selected_paths
1324        global ui_index ui_workdir
1325
1326        set old_m [merge_state $path $state]
1327        set s $file_states($path)
1328        set new_m [lindex $s 0]
1329        set icon_name [lindex $s 1]
1330
1331        display_file_helper     $ui_index $path $icon_name \
1332                [string index $old_m 0] \
1333                [string index $new_m 0]
1334        display_file_helper     $ui_workdir $path $icon_name \
1335                [string index $old_m 1] \
1336                [string index $new_m 1]
1337
1338        if {$new_m eq {__}} {
1339                unset file_states($path)
1340                catch {unset selected_paths($path)}
1341        }
1342}
1343
1344proc display_all_files_helper {w path icon_name m} {
1345        global file_lists
1346
1347        lappend file_lists($w) $path
1348        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1349        $w image create end \
1350                -align center -padx 5 -pady 1 \
1351                -name $icon_name \
1352                -image [mapicon $w $m $path]
1353        $w insert end "[escape_path $path]\n"
1354}
1355
1356proc display_all_files {} {
1357        global ui_index ui_workdir
1358        global file_states file_lists
1359        global last_clicked selected_paths
1360
1361        $ui_index conf -state normal
1362        $ui_workdir conf -state normal
1363
1364        $ui_index delete 0.0 end
1365        $ui_workdir delete 0.0 end
1366        set last_clicked {}
1367
1368        set file_lists($ui_index) [list]
1369        set file_lists($ui_workdir) [list]
1370
1371        foreach path [lsort [array names file_states]] {
1372                set s $file_states($path)
1373                set m [lindex $s 0]
1374                set icon_name [lindex $s 1]
1375
1376                if {[string index $m 0] ne {_}} {
1377                        display_all_files_helper $ui_index $path \
1378                                $icon_name [string index $m 0]
1379                }
1380                if {[string index $m 1] ne {_}} {
1381                        display_all_files_helper $ui_workdir $path \
1382                                $icon_name [string index $m 1]
1383                }
1384        }
1385
1386        $ui_index conf -state disabled
1387        $ui_workdir conf -state disabled
1388}
1389
1390proc update_indexinfo {msg pathList after} {
1391        global update_index_cp ui_status_value
1392
1393        if {![lock_index update]} return
1394
1395        set update_index_cp 0
1396        set pathList [lsort $pathList]
1397        set totalCnt [llength $pathList]
1398        set batch [expr {int($totalCnt * .01) + 1}]
1399        if {$batch > 25} {set batch 25}
1400
1401        set ui_status_value [format \
1402                "$msg... %i/%i files (%.2f%%)" \
1403                $update_index_cp \
1404                $totalCnt \
1405                0.0]
1406        set fd [open "| git update-index -z --index-info" w]
1407        fconfigure $fd \
1408                -blocking 0 \
1409                -buffering full \
1410                -buffersize 512 \
1411                -translation binary
1412        fileevent $fd writable [list \
1413                write_update_indexinfo \
1414                $fd \
1415                $pathList \
1416                $totalCnt \
1417                $batch \
1418                $msg \
1419                $after \
1420                ]
1421}
1422
1423proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1424        global update_index_cp ui_status_value
1425        global file_states current_diff
1426
1427        if {$update_index_cp >= $totalCnt} {
1428                close $fd
1429                unlock_index
1430                uplevel #0 $after
1431                return
1432        }
1433
1434        for {set i $batch} \
1435                {$update_index_cp < $totalCnt && $i > 0} \
1436                {incr i -1} {
1437                set path [lindex $pathList $update_index_cp]
1438                incr update_index_cp
1439
1440                set s $file_states($path)
1441                switch -glob -- [lindex $s 0] {
1442                A? {set new _O}
1443                M? {set new _M}
1444                D_ {set new _D}
1445                D? {set new _?}
1446                ?? {continue}
1447                }
1448                set info [lindex $s 2]
1449                if {$info eq {}} continue
1450
1451                puts -nonewline $fd $info
1452                puts -nonewline $fd "\t"
1453                puts -nonewline $fd $path
1454                puts -nonewline $fd "\0"
1455                display_file $path $new
1456        }
1457
1458        set ui_status_value [format \
1459                "$msg... %i/%i files (%.2f%%)" \
1460                $update_index_cp \
1461                $totalCnt \
1462                [expr {100.0 * $update_index_cp / $totalCnt}]]
1463}
1464
1465proc update_index {msg pathList after} {
1466        global update_index_cp ui_status_value
1467
1468        if {![lock_index update]} return
1469
1470        set update_index_cp 0
1471        set pathList [lsort $pathList]
1472        set totalCnt [llength $pathList]
1473        set batch [expr {int($totalCnt * .01) + 1}]
1474        if {$batch > 25} {set batch 25}
1475
1476        set ui_status_value [format \
1477                "$msg... %i/%i files (%.2f%%)" \
1478                $update_index_cp \
1479                $totalCnt \
1480                0.0]
1481        set fd [open "| git update-index --add --remove -z --stdin" w]
1482        fconfigure $fd \
1483                -blocking 0 \
1484                -buffering full \
1485                -buffersize 512 \
1486                -translation binary
1487        fileevent $fd writable [list \
1488                write_update_index \
1489                $fd \
1490                $pathList \
1491                $totalCnt \
1492                $batch \
1493                $msg \
1494                $after \
1495                ]
1496}
1497
1498proc write_update_index {fd pathList totalCnt batch msg after} {
1499        global update_index_cp ui_status_value
1500        global file_states current_diff
1501
1502        if {$update_index_cp >= $totalCnt} {
1503                close $fd
1504                unlock_index
1505                uplevel #0 $after
1506                return
1507        }
1508
1509        for {set i $batch} \
1510                {$update_index_cp < $totalCnt && $i > 0} \
1511                {incr i -1} {
1512                set path [lindex $pathList $update_index_cp]
1513                incr update_index_cp
1514
1515                switch -glob -- [lindex $file_states($path) 0] {
1516                AD -
1517                MD -
1518                UD -
1519                _D {set new D_}
1520
1521                _M -
1522                MM -
1523                UM -
1524                U_ -
1525                M_ {set new M_}
1526
1527                _O -
1528                AM -
1529                A_ {set new A_}
1530
1531                ?? {continue}
1532                }
1533
1534                puts -nonewline $fd $path
1535                puts -nonewline $fd "\0"
1536                display_file $path $new
1537        }
1538
1539        set ui_status_value [format \
1540                "$msg... %i/%i files (%.2f%%)" \
1541                $update_index_cp \
1542                $totalCnt \
1543                [expr {100.0 * $update_index_cp / $totalCnt}]]
1544}
1545
1546proc checkout_index {msg pathList after} {
1547        global update_index_cp ui_status_value
1548
1549        if {![lock_index update]} return
1550
1551        set update_index_cp 0
1552        set pathList [lsort $pathList]
1553        set totalCnt [llength $pathList]
1554        set batch [expr {int($totalCnt * .01) + 1}]
1555        if {$batch > 25} {set batch 25}
1556
1557        set ui_status_value [format \
1558                "$msg... %i/%i files (%.2f%%)" \
1559                $update_index_cp \
1560                $totalCnt \
1561                0.0]
1562        set cmd [list git checkout-index]
1563        lappend cmd --index
1564        lappend cmd --quiet
1565        lappend cmd --force
1566        lappend cmd -z
1567        lappend cmd --stdin
1568        set fd [open "| $cmd " w]
1569        fconfigure $fd \
1570                -blocking 0 \
1571                -buffering full \
1572                -buffersize 512 \
1573                -translation binary
1574        fileevent $fd writable [list \
1575                write_checkout_index \
1576                $fd \
1577                $pathList \
1578                $totalCnt \
1579                $batch \
1580                $msg \
1581                $after \
1582                ]
1583}
1584
1585proc write_checkout_index {fd pathList totalCnt batch msg after} {
1586        global update_index_cp ui_status_value
1587        global file_states current_diff
1588
1589        if {$update_index_cp >= $totalCnt} {
1590                close $fd
1591                unlock_index
1592                uplevel #0 $after
1593                return
1594        }
1595
1596        for {set i $batch} \
1597                {$update_index_cp < $totalCnt && $i > 0} \
1598                {incr i -1} {
1599                set path [lindex $pathList $update_index_cp]
1600                incr update_index_cp
1601
1602                switch -glob -- [lindex $file_states($path) 0] {
1603                AM -
1604                AD {set new A_}
1605                MM -
1606                MD {set new M_}
1607                _M -
1608                _D {set new __}
1609                ?? {continue}
1610                }
1611
1612                puts -nonewline $fd $path
1613                puts -nonewline $fd "\0"
1614                display_file $path $new
1615        }
1616
1617        set ui_status_value [format \
1618                "$msg... %i/%i files (%.2f%%)" \
1619                $update_index_cp \
1620                $totalCnt \
1621                [expr {100.0 * $update_index_cp / $totalCnt}]]
1622}
1623
1624######################################################################
1625##
1626## branch management
1627
1628proc load_all_heads {} {
1629        global all_heads tracking_branches
1630
1631        set all_heads [list]
1632        set cmd [list git for-each-ref]
1633        lappend cmd --format=%(refname)
1634        lappend cmd refs/heads
1635        set fd [open "| $cmd" r]
1636        while {[gets $fd line] > 0} {
1637                if {![catch {set info $tracking_branches($line)}]} continue
1638                if {![regsub ^refs/heads/ $line {} name]} continue
1639                lappend all_heads $name
1640        }
1641        close $fd
1642
1643        set all_heads [lsort $all_heads]
1644}
1645
1646proc populate_branch_menu {m} {
1647        global all_heads disable_on_lock
1648
1649        $m add separator
1650        foreach b $all_heads {
1651                $m add radiobutton \
1652                        -label $b \
1653                        -command [list switch_branch $b] \
1654                        -variable current_branch \
1655                        -value $b \
1656                        -font font_ui
1657                lappend disable_on_lock \
1658                        [list $m entryconf [$m index last] -state]
1659        }
1660}
1661
1662proc do_create_branch {} {
1663        error "NOT IMPLEMENTED"
1664}
1665
1666proc do_delete_branch {} {
1667        error "NOT IMPLEMENTED"
1668}
1669
1670proc switch_branch {b} {
1671        global HEAD commit_type file_states current_branch
1672        global selected_commit_type ui_comm
1673
1674        if {![lock_index switch]} return
1675
1676        # -- Backup the selected branch (repository_state resets it)
1677        #
1678        set new_branch $current_branch
1679
1680        # -- Our in memory state should match the repository.
1681        #
1682        repository_state curType curHEAD curMERGE_HEAD
1683        if {[string match amend* $commit_type]
1684                && $curType eq {normal}
1685                && $curHEAD eq $HEAD} {
1686        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
1687                info_popup {Last scanned state does not match repository state.
1688
1689Another Git program has modified this repository
1690since the last scan.  A rescan must be performed
1691before the current branch can be changed.
1692
1693The rescan will be automatically started now.
1694}
1695                unlock_index
1696                rescan {set ui_status_value {Ready.}}
1697                return
1698        }
1699
1700        # -- Toss the message buffer if we are in amend mode.
1701        #
1702        if {[string match amend* $curType]} {
1703                $ui_comm delete 0.0 end
1704                $ui_comm edit reset
1705                $ui_comm edit modified false
1706        }
1707
1708        set selected_commit_type new
1709        set current_branch $new_branch
1710
1711        unlock_index
1712        error "NOT FINISHED"
1713}
1714
1715######################################################################
1716##
1717## remote management
1718
1719proc load_all_remotes {} {
1720        global repo_config
1721        global all_remotes tracking_branches
1722
1723        set all_remotes [list]
1724        array unset tracking_branches
1725
1726        set rm_dir [gitdir remotes]
1727        if {[file isdirectory $rm_dir]} {
1728                set all_remotes [glob \
1729                        -types f \
1730                        -tails \
1731                        -nocomplain \
1732                        -directory $rm_dir *]
1733
1734                foreach name $all_remotes {
1735                        catch {
1736                                set fd [open [file join $rm_dir $name] r]
1737                                while {[gets $fd line] >= 0} {
1738                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
1739                                                $line line src dst]} continue
1740                                        if {![regexp ^refs/ $dst]} {
1741                                                set dst "refs/heads/$dst"
1742                                        }
1743                                        set tracking_branches($dst) [list $name $src]
1744                                }
1745                                close $fd
1746                        }
1747                }
1748        }
1749
1750        foreach line [array names repo_config remote.*.url] {
1751                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
1752                lappend all_remotes $name
1753
1754                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
1755                        set fl {}
1756                }
1757                foreach line $fl {
1758                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
1759                        if {![regexp ^refs/ $dst]} {
1760                                set dst "refs/heads/$dst"
1761                        }
1762                        set tracking_branches($dst) [list $name $src]
1763                }
1764        }
1765
1766        set all_remotes [lsort -unique $all_remotes]
1767}
1768
1769proc populate_fetch_menu {m} {
1770        global all_remotes repo_config
1771
1772        foreach r $all_remotes {
1773                set enable 0
1774                if {![catch {set a $repo_config(remote.$r.url)}]} {
1775                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
1776                                set enable 1
1777                        }
1778                } else {
1779                        catch {
1780                                set fd [open [gitdir remotes $r] r]
1781                                while {[gets $fd n] >= 0} {
1782                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
1783                                                set enable 1
1784                                                break
1785                                        }
1786                                }
1787                                close $fd
1788                        }
1789                }
1790
1791                if {$enable} {
1792                        $m add command \
1793                                -label "Fetch from $r..." \
1794                                -command [list fetch_from $r] \
1795                                -font font_ui
1796                }
1797        }
1798}
1799
1800proc populate_push_menu {m} {
1801        global all_remotes repo_config
1802
1803        foreach r $all_remotes {
1804                set enable 0
1805                if {![catch {set a $repo_config(remote.$r.url)}]} {
1806                        if {![catch {set a $repo_config(remote.$r.push)}]} {
1807                                set enable 1
1808                        }
1809                } else {
1810                        catch {
1811                                set fd [open [gitdir remotes $r] r]
1812                                while {[gets $fd n] >= 0} {
1813                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
1814                                                set enable 1
1815                                                break
1816                                        }
1817                                }
1818                                close $fd
1819                        }
1820                }
1821
1822                if {$enable} {
1823                        $m add command \
1824                                -label "Push to $r..." \
1825                                -command [list push_to $r] \
1826                                -font font_ui
1827                }
1828        }
1829}
1830
1831proc populate_pull_menu {m} {
1832        global repo_config all_remotes disable_on_lock
1833
1834        foreach remote $all_remotes {
1835                set rb_list [list]
1836                if {[array get repo_config remote.$remote.url] ne {}} {
1837                        if {[array get repo_config remote.$remote.fetch] ne {}} {
1838                                foreach line $repo_config(remote.$remote.fetch) {
1839                                        if {[regexp {^([^:]+):} $line line rb]} {
1840                                                lappend rb_list $rb
1841                                        }
1842                                }
1843                        }
1844                } else {
1845                        catch {
1846                                set fd [open [gitdir remotes $remote] r]
1847                                while {[gets $fd line] >= 0} {
1848                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
1849                                                lappend rb_list $rb
1850                                        }
1851                                }
1852                                close $fd
1853                        }
1854                }
1855
1856                foreach rb $rb_list {
1857                        regsub ^refs/heads/ $rb {} rb_short
1858                        $m add command \
1859                                -label "Branch $rb_short from $remote..." \
1860                                -command [list pull_remote $remote $rb] \
1861                                -font font_ui
1862                        lappend disable_on_lock \
1863                                [list $m entryconf [$m index last] -state]
1864                }
1865        }
1866}
1867
1868######################################################################
1869##
1870## icons
1871
1872set filemask {
1873#define mask_width 14
1874#define mask_height 15
1875static unsigned char mask_bits[] = {
1876   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1877   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1878   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1879}
1880
1881image create bitmap file_plain -background white -foreground black -data {
1882#define plain_width 14
1883#define plain_height 15
1884static unsigned char plain_bits[] = {
1885   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1886   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1887   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1888} -maskdata $filemask
1889
1890image create bitmap file_mod -background white -foreground blue -data {
1891#define mod_width 14
1892#define mod_height 15
1893static unsigned char mod_bits[] = {
1894   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1895   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1896   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1897} -maskdata $filemask
1898
1899image create bitmap file_fulltick -background white -foreground "#007000" -data {
1900#define file_fulltick_width 14
1901#define file_fulltick_height 15
1902static unsigned char file_fulltick_bits[] = {
1903   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1904   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1905   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1906} -maskdata $filemask
1907
1908image create bitmap file_parttick -background white -foreground "#005050" -data {
1909#define parttick_width 14
1910#define parttick_height 15
1911static unsigned char parttick_bits[] = {
1912   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1913   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1914   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1915} -maskdata $filemask
1916
1917image create bitmap file_question -background white -foreground black -data {
1918#define file_question_width 14
1919#define file_question_height 15
1920static unsigned char file_question_bits[] = {
1921   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1922   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1923   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1924} -maskdata $filemask
1925
1926image create bitmap file_removed -background white -foreground red -data {
1927#define file_removed_width 14
1928#define file_removed_height 15
1929static unsigned char file_removed_bits[] = {
1930   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1931   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1932   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1933} -maskdata $filemask
1934
1935image create bitmap file_merge -background white -foreground blue -data {
1936#define file_merge_width 14
1937#define file_merge_height 15
1938static unsigned char file_merge_bits[] = {
1939   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1940   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1941   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1942} -maskdata $filemask
1943
1944set ui_index .vpane.files.index.list
1945set ui_workdir .vpane.files.workdir.list
1946
1947set all_icons(_$ui_index)   file_plain
1948set all_icons(A$ui_index)   file_fulltick
1949set all_icons(M$ui_index)   file_fulltick
1950set all_icons(D$ui_index)   file_removed
1951set all_icons(U$ui_index)   file_merge
1952
1953set all_icons(_$ui_workdir) file_plain
1954set all_icons(M$ui_workdir) file_mod
1955set all_icons(D$ui_workdir) file_question
1956set all_icons(O$ui_workdir) file_plain
1957
1958set max_status_desc 0
1959foreach i {
1960                {__ "Unmodified"}
1961                {_M "Modified"}
1962                {M_ "Added to commit"}
1963                {MM "Partially added"}
1964                {MD "Added (but gone)"}
1965
1966                {_O "Untracked"}
1967                {A_ "Added by commit"}
1968                {AM "Partially added"}
1969                {AD "Added (but gone)"}
1970
1971                {_D "Missing"}
1972                {D_ "Removed by commit"}
1973                {DO "Removed (still exists)"}
1974                {DM "Removed (but modified)"}
1975
1976                {UD "Merge conflicts"}
1977                {UM "Merge conflicts"}
1978                {U_ "Merge conflicts"}
1979        } {
1980        if {$max_status_desc < [string length [lindex $i 1]]} {
1981                set max_status_desc [string length [lindex $i 1]]
1982        }
1983        set all_descs([lindex $i 0]) [lindex $i 1]
1984}
1985unset i
1986
1987######################################################################
1988##
1989## util
1990
1991proc is_MacOSX {} {
1992        global tcl_platform tk_library
1993        if {[tk windowingsystem] eq {aqua}} {
1994                return 1
1995        }
1996        return 0
1997}
1998
1999proc is_Windows {} {
2000        global tcl_platform
2001        if {$tcl_platform(platform) eq {windows}} {
2002                return 1
2003        }
2004        return 0
2005}
2006
2007proc bind_button3 {w cmd} {
2008        bind $w <Any-Button-3> $cmd
2009        if {[is_MacOSX]} {
2010                bind $w <Control-Button-1> $cmd
2011        }
2012}
2013
2014proc incr_font_size {font {amt 1}} {
2015        set sz [font configure $font -size]
2016        incr sz $amt
2017        font configure $font -size $sz
2018        font configure ${font}bold -size $sz
2019}
2020
2021proc hook_failed_popup {hook msg} {
2022        set w .hookfail
2023        toplevel $w
2024
2025        frame $w.m
2026        label $w.m.l1 -text "$hook hook failed:" \
2027                -anchor w \
2028                -justify left \
2029                -font font_uibold
2030        text $w.m.t \
2031                -background white -borderwidth 1 \
2032                -relief sunken \
2033                -width 80 -height 10 \
2034                -font font_diff \
2035                -yscrollcommand [list $w.m.sby set]
2036        label $w.m.l2 \
2037                -text {You must correct the above errors before committing.} \
2038                -anchor w \
2039                -justify left \
2040                -font font_uibold
2041        scrollbar $w.m.sby -command [list $w.m.t yview]
2042        pack $w.m.l1 -side top -fill x
2043        pack $w.m.l2 -side bottom -fill x
2044        pack $w.m.sby -side right -fill y
2045        pack $w.m.t -side left -fill both -expand 1
2046        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2047
2048        $w.m.t insert 1.0 $msg
2049        $w.m.t conf -state disabled
2050
2051        button $w.ok -text OK \
2052                -width 15 \
2053                -font font_ui \
2054                -command "destroy $w"
2055        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2056
2057        bind $w <Visibility> "grab $w; focus $w"
2058        bind $w <Key-Return> "destroy $w"
2059        wm title $w "[appname] ([reponame]): error"
2060        tkwait window $w
2061}
2062
2063set next_console_id 0
2064
2065proc new_console {short_title long_title} {
2066        global next_console_id console_data
2067        set w .console[incr next_console_id]
2068        set console_data($w) [list $short_title $long_title]
2069        return [console_init $w]
2070}
2071
2072proc console_init {w} {
2073        global console_cr console_data M1B
2074
2075        set console_cr($w) 1.0
2076        toplevel $w
2077        frame $w.m
2078        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2079                -anchor w \
2080                -justify left \
2081                -font font_uibold
2082        text $w.m.t \
2083                -background white -borderwidth 1 \
2084                -relief sunken \
2085                -width 80 -height 10 \
2086                -font font_diff \
2087                -state disabled \
2088                -yscrollcommand [list $w.m.sby set]
2089        label $w.m.s -text {Working... please wait...} \
2090                -anchor w \
2091                -justify left \
2092                -font font_uibold
2093        scrollbar $w.m.sby -command [list $w.m.t yview]
2094        pack $w.m.l1 -side top -fill x
2095        pack $w.m.s -side bottom -fill x
2096        pack $w.m.sby -side right -fill y
2097        pack $w.m.t -side left -fill both -expand 1
2098        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2099
2100        menu $w.ctxm -tearoff 0
2101        $w.ctxm add command -label "Copy" \
2102                -font font_ui \
2103                -command "tk_textCopy $w.m.t"
2104        $w.ctxm add command -label "Select All" \
2105                -font font_ui \
2106                -command "$w.m.t tag add sel 0.0 end"
2107        $w.ctxm add command -label "Copy All" \
2108                -font font_ui \
2109                -command "
2110                        $w.m.t tag add sel 0.0 end
2111                        tk_textCopy $w.m.t
2112                        $w.m.t tag remove sel 0.0 end
2113                "
2114
2115        button $w.ok -text {Close} \
2116                -font font_ui \
2117                -state disabled \
2118                -command "destroy $w"
2119        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2120
2121        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2122        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2123        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2124        bind $w <Visibility> "focus $w"
2125        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2126        return $w
2127}
2128
2129proc console_exec {w cmd {after {}}} {
2130        # -- Windows tosses the enviroment when we exec our child.
2131        #    But most users need that so we have to relogin. :-(
2132        #
2133        if {[is_Windows]} {
2134                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2135        }
2136
2137        # -- Tcl won't let us redirect both stdout and stderr to
2138        #    the same pipe.  So pass it through cat...
2139        #
2140        set cmd [concat | $cmd |& cat]
2141
2142        set fd_f [open $cmd r]
2143        fconfigure $fd_f -blocking 0 -translation binary
2144        fileevent $fd_f readable [list console_read $w $fd_f $after]
2145}
2146
2147proc console_read {w fd after} {
2148        global console_cr console_data
2149
2150        set buf [read $fd]
2151        if {$buf ne {}} {
2152                if {![winfo exists $w]} {console_init $w}
2153                $w.m.t conf -state normal
2154                set c 0
2155                set n [string length $buf]
2156                while {$c < $n} {
2157                        set cr [string first "\r" $buf $c]
2158                        set lf [string first "\n" $buf $c]
2159                        if {$cr < 0} {set cr [expr {$n + 1}]}
2160                        if {$lf < 0} {set lf [expr {$n + 1}]}
2161
2162                        if {$lf < $cr} {
2163                                $w.m.t insert end [string range $buf $c $lf]
2164                                set console_cr($w) [$w.m.t index {end -1c}]
2165                                set c $lf
2166                                incr c
2167                        } else {
2168                                $w.m.t delete $console_cr($w) end
2169                                $w.m.t insert end "\n"
2170                                $w.m.t insert end [string range $buf $c $cr]
2171                                set c $cr
2172                                incr c
2173                        }
2174                }
2175                $w.m.t conf -state disabled
2176                $w.m.t see end
2177        }
2178
2179        fconfigure $fd -blocking 1
2180        if {[eof $fd]} {
2181                if {[catch {close $fd}]} {
2182                        if {![winfo exists $w]} {console_init $w}
2183                        $w.m.s conf -background red -text {Error: Command Failed}
2184                        $w.ok conf -state normal
2185                        set ok 0
2186                } elseif {[winfo exists $w]} {
2187                        $w.m.s conf -background green -text {Success}
2188                        $w.ok conf -state normal
2189                        set ok 1
2190                }
2191                array unset console_cr $w
2192                array unset console_data $w
2193                if {$after ne {}} {
2194                        uplevel #0 $after $ok
2195                }
2196                return
2197        }
2198        fconfigure $fd -blocking 0
2199}
2200
2201######################################################################
2202##
2203## ui commands
2204
2205set starting_gitk_msg {Starting gitk... please wait...}
2206
2207proc do_gitk {revs} {
2208        global ui_status_value starting_gitk_msg
2209
2210        set cmd gitk
2211        if {$revs ne {}} {
2212                append cmd { }
2213                append cmd $revs
2214        }
2215        if {[is_Windows]} {
2216                set cmd "sh -c \"exec $cmd\""
2217        }
2218        append cmd { &}
2219
2220        if {[catch {eval exec $cmd} err]} {
2221                error_popup "Failed to start gitk:\n\n$err"
2222        } else {
2223                set ui_status_value $starting_gitk_msg
2224                after 10000 {
2225                        if {$ui_status_value eq $starting_gitk_msg} {
2226                                set ui_status_value {Ready.}
2227                        }
2228                }
2229        }
2230}
2231
2232proc do_gc {} {
2233        set w [new_console {gc} {Compressing the object database}]
2234        console_exec $w {git gc}
2235}
2236
2237proc do_fsck_objects {} {
2238        set w [new_console {fsck-objects} \
2239                {Verifying the object database with fsck-objects}]
2240        set cmd [list git fsck-objects]
2241        lappend cmd --full
2242        lappend cmd --cache
2243        lappend cmd --strict
2244        console_exec $w $cmd
2245}
2246
2247set is_quitting 0
2248
2249proc do_quit {} {
2250        global ui_comm is_quitting repo_config commit_type
2251
2252        if {$is_quitting} return
2253        set is_quitting 1
2254
2255        # -- Stash our current commit buffer.
2256        #
2257        set save [gitdir GITGUI_MSG]
2258        set msg [string trim [$ui_comm get 0.0 end]]
2259        if {![string match amend* $commit_type]
2260                && [$ui_comm edit modified]
2261                && $msg ne {}} {
2262                catch {
2263                        set fd [open $save w]
2264                        puts $fd [string trim [$ui_comm get 0.0 end]]
2265                        close $fd
2266                }
2267        } else {
2268                catch {file delete $save}
2269        }
2270
2271        # -- Stash our current window geometry into this repository.
2272        #
2273        set cfg_geometry [list]
2274        lappend cfg_geometry [wm geometry .]
2275        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2276        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2277        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2278                set rc_geometry {}
2279        }
2280        if {$cfg_geometry ne $rc_geometry} {
2281                catch {exec git repo-config gui.geometry $cfg_geometry}
2282        }
2283
2284        destroy .
2285}
2286
2287proc do_rescan {} {
2288        rescan {set ui_status_value {Ready.}}
2289}
2290
2291proc remove_helper {txt paths} {
2292        global file_states current_diff
2293
2294        if {![lock_index begin-update]} return
2295
2296        set pathList [list]
2297        set after {}
2298        foreach path $paths {
2299                switch -glob -- [lindex $file_states($path) 0] {
2300                A? -
2301                M? -
2302                D? {
2303                        lappend pathList $path
2304                        if {$path eq $current_diff} {
2305                                set after {reshow_diff;}
2306                        }
2307                }
2308                }
2309        }
2310        if {$pathList eq {}} {
2311                unlock_index
2312        } else {
2313                update_indexinfo \
2314                        $txt \
2315                        $pathList \
2316                        [concat $after {set ui_status_value {Ready.}}]
2317        }
2318}
2319
2320proc do_remove_selection {} {
2321        global current_diff selected_paths
2322
2323        if {[array size selected_paths] > 0} {
2324                remove_helper \
2325                        {Removing selected files from commit} \
2326                        [array names selected_paths]
2327        } elseif {$current_diff ne {}} {
2328                remove_helper \
2329                        "Removing [short_path $current_diff] from commit" \
2330                        [list $current_diff]
2331        }
2332}
2333
2334proc include_helper {txt paths} {
2335        global file_states current_diff
2336
2337        if {![lock_index begin-update]} return
2338
2339        set pathList [list]
2340        set after {}
2341        foreach path $paths {
2342                switch -glob -- [lindex $file_states($path) 0] {
2343                AM -
2344                AD -
2345                MM -
2346                MD -
2347                U? -
2348                _M -
2349                _D -
2350                _O {
2351                        lappend pathList $path
2352                        if {$path eq $current_diff} {
2353                                set after {reshow_diff;}
2354                        }
2355                }
2356                }
2357        }
2358        if {$pathList eq {}} {
2359                unlock_index
2360        } else {
2361                update_index \
2362                        $txt \
2363                        $pathList \
2364                        [concat $after {set ui_status_value {Ready to commit.}}]
2365        }
2366}
2367
2368proc do_include_selection {} {
2369        global current_diff selected_paths
2370
2371        if {[array size selected_paths] > 0} {
2372                include_helper \
2373                        {Adding selected files} \
2374                        [array names selected_paths]
2375        } elseif {$current_diff ne {}} {
2376                include_helper \
2377                        "Adding [short_path $current_diff]" \
2378                        [list $current_diff]
2379        }
2380}
2381
2382proc do_include_all {} {
2383        global file_states
2384
2385        set paths [list]
2386        foreach path [array names file_states] {
2387                switch -- [lindex $file_states($path) 0] {
2388                AM -
2389                AD -
2390                MM -
2391                MD -
2392                _M -
2393                _D {lappend paths $path}
2394                }
2395        }
2396        include_helper \
2397                {Adding all modified files} \
2398                $paths
2399}
2400
2401proc revert_helper {txt paths} {
2402        global file_states current_diff
2403
2404        if {![lock_index begin-update]} return
2405
2406        set pathList [list]
2407        set after {}
2408        foreach path $paths {
2409                switch -glob -- [lindex $file_states($path) 0] {
2410                AM -
2411                AD -
2412                MM -
2413                MD -
2414                _M -
2415                _D {
2416                        lappend pathList $path
2417                        if {$path eq $current_diff} {
2418                                set after {reshow_diff;}
2419                        }
2420                }
2421                }
2422        }
2423
2424        set n [llength $pathList]
2425        if {$n == 0} {
2426                unlock_index
2427                return
2428        } elseif {$n == 1} {
2429                set s "[short_path [lindex $pathList]]"
2430        } else {
2431                set s "these $n files"
2432        }
2433
2434        set reply [tk_dialog \
2435                .confirm_revert \
2436                "[appname] ([reponame])" \
2437                "Revert changes in $s?
2438
2439Any unadded changes will be permanently lost by the revert." \
2440                question \
2441                1 \
2442                {Do Nothing} \
2443                {Revert Changes} \
2444                ]
2445        if {$reply == 1} {
2446                checkout_index \
2447                        $txt \
2448                        $pathList \
2449                        [concat $after {set ui_status_value {Ready.}}]
2450        } else {
2451                unlock_index
2452        }
2453}
2454
2455proc do_revert_selection {} {
2456        global current_diff selected_paths
2457
2458        if {[array size selected_paths] > 0} {
2459                revert_helper \
2460                        {Reverting selected files} \
2461                        [array names selected_paths]
2462        } elseif {$current_diff ne {}} {
2463                revert_helper \
2464                        "Reverting [short_path $current_diff]" \
2465                        [list $current_diff]
2466        }
2467}
2468
2469proc do_signoff {} {
2470        global ui_comm
2471
2472        set me [committer_ident]
2473        if {$me eq {}} return
2474
2475        set sob "Signed-off-by: $me"
2476        set last [$ui_comm get {end -1c linestart} {end -1c}]
2477        if {$last ne $sob} {
2478                $ui_comm edit separator
2479                if {$last ne {}
2480                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2481                        $ui_comm insert end "\n"
2482                }
2483                $ui_comm insert end "\n$sob"
2484                $ui_comm edit separator
2485                $ui_comm see end
2486        }
2487}
2488
2489proc do_select_commit_type {} {
2490        global commit_type selected_commit_type
2491
2492        if {$selected_commit_type eq {new}
2493                && [string match amend* $commit_type]} {
2494                create_new_commit
2495        } elseif {$selected_commit_type eq {amend}
2496                && ![string match amend* $commit_type]} {
2497                load_last_commit
2498
2499                # The amend request was rejected...
2500                #
2501                if {![string match amend* $commit_type]} {
2502                        set selected_commit_type new
2503                }
2504        }
2505}
2506
2507proc do_commit {} {
2508        commit_tree
2509}
2510
2511proc do_about {} {
2512        global appvers copyright
2513        global tcl_patchLevel tk_patchLevel
2514
2515        set w .about_dialog
2516        toplevel $w
2517        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2518
2519        label $w.header -text "About [appname]" \
2520                -font font_uibold
2521        pack $w.header -side top -fill x
2522
2523        frame $w.buttons
2524        button $w.buttons.close -text {Close} \
2525                -font font_ui \
2526                -command [list destroy $w]
2527        pack $w.buttons.close -side right
2528        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2529
2530        label $w.desc \
2531                -text "[appname] - a commit creation tool for Git.
2532$copyright" \
2533                -padx 5 -pady 5 \
2534                -justify left \
2535                -anchor w \
2536                -borderwidth 1 \
2537                -relief solid \
2538                -font font_ui
2539        pack $w.desc -side top -fill x -padx 5 -pady 5
2540
2541        set v {}
2542        append v "[appname] version $appvers\n"
2543        append v "[exec git version]\n"
2544        append v "\n"
2545        if {$tcl_patchLevel eq $tk_patchLevel} {
2546                append v "Tcl/Tk version $tcl_patchLevel"
2547        } else {
2548                append v "Tcl version $tcl_patchLevel"
2549                append v ", Tk version $tk_patchLevel"
2550        }
2551
2552        label $w.vers \
2553                -text $v \
2554                -padx 5 -pady 5 \
2555                -justify left \
2556                -anchor w \
2557                -borderwidth 1 \
2558                -relief solid \
2559                -font font_ui
2560        pack $w.vers -side top -fill x -padx 5 -pady 5
2561
2562        menu $w.ctxm -tearoff 0
2563        $w.ctxm add command \
2564                -label {Copy} \
2565                -font font_ui \
2566                -command "
2567                clipboard clear
2568                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2569        "
2570
2571        bind $w <Visibility> "grab $w; focus $w"
2572        bind $w <Key-Escape> "destroy $w"
2573        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2574        wm title $w "About [appname]"
2575        tkwait window $w
2576}
2577
2578proc do_options {} {
2579        global repo_config global_config font_descs
2580        global repo_config_new global_config_new
2581
2582        array unset repo_config_new
2583        array unset global_config_new
2584        foreach name [array names repo_config] {
2585                set repo_config_new($name) $repo_config($name)
2586        }
2587        load_config 1
2588        foreach name [array names repo_config] {
2589                switch -- $name {
2590                gui.diffcontext {continue}
2591                }
2592                set repo_config_new($name) $repo_config($name)
2593        }
2594        foreach name [array names global_config] {
2595                set global_config_new($name) $global_config($name)
2596        }
2597
2598        set w .options_editor
2599        toplevel $w
2600        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2601
2602        label $w.header -text "[appname] Options" \
2603                -font font_uibold
2604        pack $w.header -side top -fill x
2605
2606        frame $w.buttons
2607        button $w.buttons.restore -text {Restore Defaults} \
2608                -font font_ui \
2609                -command do_restore_defaults
2610        pack $w.buttons.restore -side left
2611        button $w.buttons.save -text Save \
2612                -font font_ui \
2613                -command [list do_save_config $w]
2614        pack $w.buttons.save -side right
2615        button $w.buttons.cancel -text {Cancel} \
2616                -font font_ui \
2617                -command [list destroy $w]
2618        pack $w.buttons.cancel -side right
2619        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2620
2621        labelframe $w.repo -text "[reponame] Repository" \
2622                -font font_ui \
2623                -relief raised -borderwidth 2
2624        labelframe $w.global -text {Global (All Repositories)} \
2625                -font font_ui \
2626                -relief raised -borderwidth 2
2627        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2628        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2629
2630        foreach option {
2631                {b partialinclude {Allow Partially Added Files}}
2632                {b pullsummary {Show Pull Summary}}
2633                {b trustmtime  {Trust File Modification Timestamps}}
2634                {i diffcontext {Number of Diff Context Lines}}
2635                } {
2636                set type [lindex $option 0]
2637                set name [lindex $option 1]
2638                set text [lindex $option 2]
2639                foreach f {repo global} {
2640                        switch $type {
2641                        b {
2642                                checkbutton $w.$f.$name -text $text \
2643                                        -variable ${f}_config_new(gui.$name) \
2644                                        -onvalue true \
2645                                        -offvalue false \
2646                                        -font font_ui
2647                                pack $w.$f.$name -side top -anchor w
2648                        }
2649                        i {
2650                                frame $w.$f.$name
2651                                label $w.$f.$name.l -text "$text:" -font font_ui
2652                                pack $w.$f.$name.l -side left -anchor w -fill x
2653                                spinbox $w.$f.$name.v \
2654                                        -textvariable ${f}_config_new(gui.$name) \
2655                                        -from 1 -to 99 -increment 1 \
2656                                        -width 3 \
2657                                        -font font_ui
2658                                pack $w.$f.$name.v -side right -anchor e
2659                                pack $w.$f.$name -side top -anchor w -fill x
2660                        }
2661                        }
2662                }
2663        }
2664
2665        set all_fonts [lsort [font families]]
2666        foreach option $font_descs {
2667                set name [lindex $option 0]
2668                set font [lindex $option 1]
2669                set text [lindex $option 2]
2670
2671                set global_config_new(gui.$font^^family) \
2672                        [font configure $font -family]
2673                set global_config_new(gui.$font^^size) \
2674                        [font configure $font -size]
2675
2676                frame $w.global.$name
2677                label $w.global.$name.l -text "$text:" -font font_ui
2678                pack $w.global.$name.l -side left -anchor w -fill x
2679                eval tk_optionMenu $w.global.$name.family \
2680                        global_config_new(gui.$font^^family) \
2681                        $all_fonts
2682                spinbox $w.global.$name.size \
2683                        -textvariable global_config_new(gui.$font^^size) \
2684                        -from 2 -to 80 -increment 1 \
2685                        -width 3 \
2686                        -font font_ui
2687                pack $w.global.$name.size -side right -anchor e
2688                pack $w.global.$name.family -side right -anchor e
2689                pack $w.global.$name -side top -anchor w -fill x
2690        }
2691
2692        bind $w <Visibility> "grab $w; focus $w"
2693        bind $w <Key-Escape> "destroy $w"
2694        wm title $w "[appname] ([reponame]): Options"
2695        tkwait window $w
2696}
2697
2698proc do_restore_defaults {} {
2699        global font_descs default_config repo_config
2700        global repo_config_new global_config_new
2701
2702        foreach name [array names default_config] {
2703                set repo_config_new($name) $default_config($name)
2704                set global_config_new($name) $default_config($name)
2705        }
2706
2707        foreach option $font_descs {
2708                set name [lindex $option 0]
2709                set repo_config(gui.$name) $default_config(gui.$name)
2710        }
2711        apply_config
2712
2713        foreach option $font_descs {
2714                set name [lindex $option 0]
2715                set font [lindex $option 1]
2716                set global_config_new(gui.$font^^family) \
2717                        [font configure $font -family]
2718                set global_config_new(gui.$font^^size) \
2719                        [font configure $font -size]
2720        }
2721}
2722
2723proc do_save_config {w} {
2724        if {[catch {save_config} err]} {
2725                error_popup "Failed to completely save options:\n\n$err"
2726        }
2727        reshow_diff
2728        destroy $w
2729}
2730
2731proc do_windows_shortcut {} {
2732        global argv0
2733
2734        if {[catch {
2735                set desktop [exec cygpath \
2736                        --windows \
2737                        --absolute \
2738                        --long-name \
2739                        --desktop]
2740                }]} {
2741                        set desktop .
2742        }
2743        set fn [tk_getSaveFile \
2744                -parent . \
2745                -title "[appname] ([reponame]): Create Desktop Icon" \
2746                -initialdir $desktop \
2747                -initialfile "Git [reponame].bat"]
2748        if {$fn != {}} {
2749                if {[catch {
2750                                set fd [open $fn w]
2751                                set sh [exec cygpath \
2752                                        --windows \
2753                                        --absolute \
2754                                        /bin/sh]
2755                                set me [exec cygpath \
2756                                        --unix \
2757                                        --absolute \
2758                                        $argv0]
2759                                set gd [exec cygpath \
2760                                        --unix \
2761                                        --absolute \
2762                                        [gitdir]]
2763                                set gw [exec cygpath \
2764                                        --windows \
2765                                        --absolute \
2766                                        [file dirname [gitdir]]]
2767                                regsub -all ' $me "'\\''" me
2768                                regsub -all ' $gd "'\\''" gd
2769                                puts $fd "@ECHO Entering $gw"
2770                                puts $fd "@ECHO Starting git-gui... please wait..."
2771                                puts -nonewline $fd "@\"$sh\" --login -c \""
2772                                puts -nonewline $fd "GIT_DIR='$gd'"
2773                                puts -nonewline $fd " '$me'"
2774                                puts $fd "&\""
2775                                close $fd
2776                        } err]} {
2777                        error_popup "Cannot write script:\n\n$err"
2778                }
2779        }
2780}
2781
2782proc do_macosx_app {} {
2783        global argv0 env
2784
2785        set fn [tk_getSaveFile \
2786                -parent . \
2787                -title "[appname] ([reponame]): Create Desktop Icon" \
2788                -initialdir [file join $env(HOME) Desktop] \
2789                -initialfile "Git [reponame].app"]
2790        if {$fn != {}} {
2791                if {[catch {
2792                                set Contents [file join $fn Contents]
2793                                set MacOS [file join $Contents MacOS]
2794                                set exe [file join $MacOS git-gui]
2795
2796                                file mkdir $MacOS
2797
2798                                set fd [open [file join $Contents Info.plist] w]
2799                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
2800<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
2801<plist version="1.0">
2802<dict>
2803        <key>CFBundleDevelopmentRegion</key>
2804        <string>English</string>
2805        <key>CFBundleExecutable</key>
2806        <string>git-gui</string>
2807        <key>CFBundleIdentifier</key>
2808        <string>org.spearce.git-gui</string>
2809        <key>CFBundleInfoDictionaryVersion</key>
2810        <string>6.0</string>
2811        <key>CFBundlePackageType</key>
2812        <string>APPL</string>
2813        <key>CFBundleSignature</key>
2814        <string>????</string>
2815        <key>CFBundleVersion</key>
2816        <string>1.0</string>
2817        <key>NSPrincipalClass</key>
2818        <string>NSApplication</string>
2819</dict>
2820</plist>}
2821                                close $fd
2822
2823                                set fd [open $exe w]
2824                                set gd [file normalize [gitdir]]
2825                                set ep [file normalize [exec git --exec-path]]
2826                                regsub -all ' $gd "'\\''" gd
2827                                regsub -all ' $ep "'\\''" ep
2828                                puts $fd "#!/bin/sh"
2829                                foreach name [array names env] {
2830                                        if {[string match GIT_* $name]} {
2831                                                regsub -all ' $env($name) "'\\''" v
2832                                                puts $fd "export $name='$v'"
2833                                        }
2834                                }
2835                                puts $fd "export PATH='$ep':\$PATH"
2836                                puts $fd "export GIT_DIR='$gd'"
2837                                puts $fd "exec [file normalize $argv0]"
2838                                close $fd
2839
2840                                file attributes $exe -permissions u+x,g+x,o+x
2841                        } err]} {
2842                        error_popup "Cannot write icon:\n\n$err"
2843                }
2844        }
2845}
2846
2847proc toggle_or_diff {w x y} {
2848        global file_states file_lists current_diff ui_index ui_workdir
2849        global last_clicked selected_paths
2850
2851        set pos [split [$w index @$x,$y] .]
2852        set lno [lindex $pos 0]
2853        set col [lindex $pos 1]
2854        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2855        if {$path eq {}} {
2856                set last_clicked {}
2857                return
2858        }
2859
2860        set last_clicked [list $w $lno]
2861        array unset selected_paths
2862        $ui_index tag remove in_sel 0.0 end
2863        $ui_workdir tag remove in_sel 0.0 end
2864
2865        if {$col == 0} {
2866                if {$current_diff eq $path} {
2867                        set after {reshow_diff;}
2868                } else {
2869                        set after {}
2870                }
2871                switch -glob -- [lindex $file_states($path) 0] {
2872                A_ -
2873                M_ -
2874                D_ -
2875                DO -
2876                DM {
2877                        update_indexinfo \
2878                                "Removing [short_path $path] from commit" \
2879                                [list $path] \
2880                                [concat $after {set ui_status_value {Ready.}}]
2881                }
2882                ?? {
2883                        update_index \
2884                                "Adding [short_path $path]" \
2885                                [list $path] \
2886                                [concat $after {set ui_status_value {Ready.}}]
2887                }
2888                }
2889        } else {
2890                show_diff $path $w $lno
2891        }
2892}
2893
2894proc add_one_to_selection {w x y} {
2895        global file_lists
2896        global last_clicked selected_paths
2897
2898        set pos [split [$w index @$x,$y] .]
2899        set lno [lindex $pos 0]
2900        set col [lindex $pos 1]
2901        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2902        if {$path eq {}} {
2903                set last_clicked {}
2904                return
2905        }
2906
2907        set last_clicked [list $w $lno]
2908        if {[catch {set in_sel $selected_paths($path)}]} {
2909                set in_sel 0
2910        }
2911        if {$in_sel} {
2912                unset selected_paths($path)
2913                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2914        } else {
2915                set selected_paths($path) 1
2916                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2917        }
2918}
2919
2920proc add_range_to_selection {w x y} {
2921        global file_lists
2922        global last_clicked selected_paths
2923
2924        if {[lindex $last_clicked 0] ne $w} {
2925                toggle_or_diff $w $x $y
2926                return
2927        }
2928
2929        set pos [split [$w index @$x,$y] .]
2930        set lno [lindex $pos 0]
2931        set lc [lindex $last_clicked 1]
2932        if {$lc < $lno} {
2933                set begin $lc
2934                set end $lno
2935        } else {
2936                set begin $lno
2937                set end $lc
2938        }
2939
2940        foreach path [lrange $file_lists($w) \
2941                [expr {$begin - 1}] \
2942                [expr {$end - 1}]] {
2943                set selected_paths($path) 1
2944        }
2945        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2946}
2947
2948######################################################################
2949##
2950## config defaults
2951
2952set cursor_ptr arrow
2953font create font_diff -family Courier -size 10
2954font create font_ui
2955catch {
2956        label .dummy
2957        eval font configure font_ui [font actual [.dummy cget -font]]
2958        destroy .dummy
2959}
2960
2961font create font_uibold
2962font create font_diffbold
2963
2964if {[is_Windows]} {
2965        set M1B Control
2966        set M1T Ctrl
2967} elseif {[is_MacOSX]} {
2968        set M1B M1
2969        set M1T Cmd
2970} else {
2971        set M1B M1
2972        set M1T M1
2973}
2974
2975proc apply_config {} {
2976        global repo_config font_descs
2977
2978        foreach option $font_descs {
2979                set name [lindex $option 0]
2980                set font [lindex $option 1]
2981                if {[catch {
2982                        foreach {cn cv} $repo_config(gui.$name) {
2983                                font configure $font $cn $cv
2984                        }
2985                        } err]} {
2986                        error_popup "Invalid font specified in gui.$name:\n\n$err"
2987                }
2988                foreach {cn cv} [font configure $font] {
2989                        font configure ${font}bold $cn $cv
2990                }
2991                font configure ${font}bold -weight bold
2992        }
2993}
2994
2995set default_config(gui.trustmtime) false
2996set default_config(gui.pullsummary) true
2997set default_config(gui.partialinclude) false
2998set default_config(gui.diffcontext) 5
2999set default_config(gui.fontui) [font configure font_ui]
3000set default_config(gui.fontdiff) [font configure font_diff]
3001set font_descs {
3002        {fontui   font_ui   {Main Font}}
3003        {fontdiff font_diff {Diff/Console Font}}
3004}
3005load_config 0
3006apply_config
3007
3008######################################################################
3009##
3010## ui construction
3011
3012# -- Menu Bar
3013#
3014menu .mbar -tearoff 0
3015.mbar add cascade -label Repository -menu .mbar.repository
3016.mbar add cascade -label Edit -menu .mbar.edit
3017if {!$single_commit} {
3018        .mbar add cascade -label Branch -menu .mbar.branch
3019}
3020.mbar add cascade -label Commit -menu .mbar.commit
3021if {!$single_commit} {
3022        .mbar add cascade -label Fetch -menu .mbar.fetch
3023        .mbar add cascade -label Pull -menu .mbar.pull
3024        .mbar add cascade -label Push -menu .mbar.push
3025}
3026. configure -menu .mbar
3027
3028# -- Repository Menu
3029#
3030menu .mbar.repository
3031.mbar.repository add command \
3032        -label {Visualize Current Branch} \
3033        -command {do_gitk {}} \
3034        -font font_ui
3035if {![is_MacOSX]} {
3036        .mbar.repository add command \
3037                -label {Visualize All Branches} \
3038                -command {do_gitk {--all}} \
3039                -font font_ui
3040}
3041.mbar.repository add separator
3042
3043if {!$single_commit} {
3044        .mbar.repository add command -label {Compress Database} \
3045                -command do_gc \
3046                -font font_ui
3047
3048        .mbar.repository add command -label {Verify Database} \
3049                -command do_fsck_objects \
3050                -font font_ui
3051
3052        .mbar.repository add separator
3053
3054        if {[is_Windows]} {
3055                .mbar.repository add command \
3056                        -label {Create Desktop Icon} \
3057                        -command do_windows_shortcut \
3058                        -font font_ui
3059        } elseif {[is_MacOSX]} {
3060                .mbar.repository add command \
3061                        -label {Create Desktop Icon} \
3062                        -command do_macosx_app \
3063                        -font font_ui
3064        }
3065}
3066
3067.mbar.repository add command -label Quit \
3068        -command do_quit \
3069        -accelerator $M1T-Q \
3070        -font font_ui
3071
3072# -- Edit Menu
3073#
3074menu .mbar.edit
3075.mbar.edit add command -label Undo \
3076        -command {catch {[focus] edit undo}} \
3077        -accelerator $M1T-Z \
3078        -font font_ui
3079.mbar.edit add command -label Redo \
3080        -command {catch {[focus] edit redo}} \
3081        -accelerator $M1T-Y \
3082        -font font_ui
3083.mbar.edit add separator
3084.mbar.edit add command -label Cut \
3085        -command {catch {tk_textCut [focus]}} \
3086        -accelerator $M1T-X \
3087        -font font_ui
3088.mbar.edit add command -label Copy \
3089        -command {catch {tk_textCopy [focus]}} \
3090        -accelerator $M1T-C \
3091        -font font_ui
3092.mbar.edit add command -label Paste \
3093        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3094        -accelerator $M1T-V \
3095        -font font_ui
3096.mbar.edit add command -label Delete \
3097        -command {catch {[focus] delete sel.first sel.last}} \
3098        -accelerator Del \
3099        -font font_ui
3100.mbar.edit add separator
3101.mbar.edit add command -label {Select All} \
3102        -command {catch {[focus] tag add sel 0.0 end}} \
3103        -accelerator $M1T-A \
3104        -font font_ui
3105
3106# -- Branch Menu
3107#
3108if {!$single_commit} {
3109        menu .mbar.branch
3110
3111        .mbar.branch add command -label {Create...} \
3112                -command do_create_branch \
3113                -font font_ui
3114        lappend disable_on_lock [list .mbar.branch entryconf \
3115                [.mbar.branch index last] -state]
3116
3117        .mbar.branch add command -label {Delete...} \
3118                -command do_delete_branch \
3119                -font font_ui
3120        lappend disable_on_lock [list .mbar.branch entryconf \
3121                [.mbar.branch index last] -state]
3122}
3123
3124# -- Commit Menu
3125#
3126menu .mbar.commit
3127
3128.mbar.commit add radiobutton \
3129        -label {New Commit} \
3130        -command do_select_commit_type \
3131        -variable selected_commit_type \
3132        -value new \
3133        -font font_ui
3134lappend disable_on_lock \
3135        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3136
3137.mbar.commit add radiobutton \
3138        -label {Amend Last Commit} \
3139        -command do_select_commit_type \
3140        -variable selected_commit_type \
3141        -value amend \
3142        -font font_ui
3143lappend disable_on_lock \
3144        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3145
3146.mbar.commit add separator
3147
3148.mbar.commit add command -label Rescan \
3149        -command do_rescan \
3150        -accelerator F5 \
3151        -font font_ui
3152lappend disable_on_lock \
3153        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3154
3155.mbar.commit add command -label {Add To Commit} \
3156        -command do_include_selection \
3157        -font font_ui
3158lappend disable_on_lock \
3159        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3160
3161.mbar.commit add command -label {Add All To Commit} \
3162        -command do_include_all \
3163        -accelerator $M1T-I \
3164        -font font_ui
3165lappend disable_on_lock \
3166        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3167
3168.mbar.commit add command -label {Remove From Commit} \
3169        -command do_remove_selection \
3170        -font font_ui
3171lappend disable_on_lock \
3172        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3173
3174.mbar.commit add command -label {Revert Changes} \
3175        -command do_revert_selection \
3176        -font font_ui
3177lappend disable_on_lock \
3178        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3179
3180.mbar.commit add separator
3181
3182.mbar.commit add command -label {Sign Off} \
3183        -command do_signoff \
3184        -accelerator $M1T-S \
3185        -font font_ui
3186
3187.mbar.commit add command -label Commit \
3188        -command do_commit \
3189        -accelerator $M1T-Return \
3190        -font font_ui
3191lappend disable_on_lock \
3192        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3193
3194# -- Transport menus
3195#
3196if {!$single_commit} {
3197        menu .mbar.fetch
3198        menu .mbar.pull
3199        menu .mbar.push
3200}
3201
3202if {[is_MacOSX]} {
3203        # -- Apple Menu (Mac OS X only)
3204        #
3205        .mbar add cascade -label Apple -menu .mbar.apple
3206        menu .mbar.apple
3207
3208        .mbar.apple add command -label "About [appname]" \
3209                -command do_about \
3210                -font font_ui
3211        .mbar.apple add command -label "[appname] Options..." \
3212                -command do_options \
3213                -font font_ui
3214} else {
3215        # -- Edit Menu
3216        #
3217        .mbar.edit add separator
3218        .mbar.edit add command -label {Options...} \
3219                -command do_options \
3220                -font font_ui
3221
3222        # -- Tools Menu
3223        #
3224        if {[file exists /usr/local/miga/lib/gui-miga]
3225                && [file exists .pvcsrc]} {
3226        proc do_miga {} {
3227                global ui_status_value
3228                if {![lock_index update]} return
3229                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3230                set miga_fd [open "|$cmd" r]
3231                fconfigure $miga_fd -blocking 0
3232                fileevent $miga_fd readable [list miga_done $miga_fd]
3233                set ui_status_value {Running miga...}
3234        }
3235        proc miga_done {fd} {
3236                read $fd 512
3237                if {[eof $fd]} {
3238                        close $fd
3239                        unlock_index
3240                        rescan [list set ui_status_value {Ready.}]
3241                }
3242        }
3243        .mbar add cascade -label Tools -menu .mbar.tools
3244        menu .mbar.tools
3245        .mbar.tools add command -label "Migrate" \
3246                -command do_miga \
3247                -font font_ui
3248        lappend disable_on_lock \
3249                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3250        }
3251
3252        # -- Help Menu
3253        #
3254        .mbar add cascade -label Help -menu .mbar.help
3255        menu .mbar.help
3256
3257        .mbar.help add command -label "About [appname]" \
3258                -command do_about \
3259                -font font_ui
3260}
3261
3262
3263# -- Branch Control
3264#
3265frame .branch \
3266        -borderwidth 1 \
3267        -relief sunken
3268label .branch.l1 \
3269        -text {Current Branch:} \
3270        -anchor w \
3271        -justify left \
3272        -font font_ui
3273label .branch.cb \
3274        -textvariable current_branch \
3275        -anchor w \
3276        -justify left \
3277        -font font_ui
3278pack .branch.l1 -side left
3279pack .branch.cb -side left -fill x
3280pack .branch -side top -fill x
3281
3282# -- Main Window Layout
3283#
3284panedwindow .vpane -orient vertical
3285panedwindow .vpane.files -orient horizontal
3286.vpane add .vpane.files -sticky nsew -height 100 -width 400
3287pack .vpane -anchor n -side top -fill both -expand 1
3288
3289# -- Index File List
3290#
3291frame .vpane.files.index -height 100 -width 400
3292label .vpane.files.index.title -text {Changes To Be Committed} \
3293        -background green \
3294        -font font_ui
3295text $ui_index -background white -borderwidth 0 \
3296        -width 40 -height 10 \
3297        -font font_ui \
3298        -cursor $cursor_ptr \
3299        -yscrollcommand {.vpane.files.index.sb set} \
3300        -state disabled
3301scrollbar .vpane.files.index.sb -command [list $ui_index yview]
3302pack .vpane.files.index.title -side top -fill x
3303pack .vpane.files.index.sb -side right -fill y
3304pack $ui_index -side left -fill both -expand 1
3305.vpane.files add .vpane.files.index -sticky nsew
3306
3307# -- Working Directory File List
3308#
3309frame .vpane.files.workdir -height 100 -width 100
3310label .vpane.files.workdir.title -text {Changed But Not Updated} \
3311        -background red \
3312        -font font_ui
3313text $ui_workdir -background white -borderwidth 0 \
3314        -width 40 -height 10 \
3315        -font font_ui \
3316        -cursor $cursor_ptr \
3317        -yscrollcommand {.vpane.files.workdir.sb set} \
3318        -state disabled
3319scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
3320pack .vpane.files.workdir.title -side top -fill x
3321pack .vpane.files.workdir.sb -side right -fill y
3322pack $ui_workdir -side left -fill both -expand 1
3323.vpane.files add .vpane.files.workdir -sticky nsew
3324
3325foreach i [list $ui_index $ui_workdir] {
3326        $i tag conf in_diff -font font_uibold
3327        $i tag conf in_sel \
3328                -background [$i cget -foreground] \
3329                -foreground [$i cget -background]
3330}
3331unset i
3332
3333# -- Diff and Commit Area
3334#
3335frame .vpane.lower -height 300 -width 400
3336frame .vpane.lower.commarea
3337frame .vpane.lower.diff -relief sunken -borderwidth 1
3338pack .vpane.lower.commarea -side top -fill x
3339pack .vpane.lower.diff -side bottom -fill both -expand 1
3340.vpane add .vpane.lower -stick nsew
3341
3342# -- Commit Area Buttons
3343#
3344frame .vpane.lower.commarea.buttons
3345label .vpane.lower.commarea.buttons.l -text {} \
3346        -anchor w \
3347        -justify left \
3348        -font font_ui
3349pack .vpane.lower.commarea.buttons.l -side top -fill x
3350pack .vpane.lower.commarea.buttons -side left -fill y
3351
3352button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3353        -command do_rescan \
3354        -font font_ui
3355pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3356lappend disable_on_lock \
3357        {.vpane.lower.commarea.buttons.rescan conf -state}
3358
3359button .vpane.lower.commarea.buttons.incall -text {Add All} \
3360        -command do_include_all \
3361        -font font_ui
3362pack .vpane.lower.commarea.buttons.incall -side top -fill x
3363lappend disable_on_lock \
3364        {.vpane.lower.commarea.buttons.incall conf -state}
3365
3366button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3367        -command do_signoff \
3368        -font font_ui
3369pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3370
3371button .vpane.lower.commarea.buttons.commit -text {Commit} \
3372        -command do_commit \
3373        -font font_ui
3374pack .vpane.lower.commarea.buttons.commit -side top -fill x
3375lappend disable_on_lock \
3376        {.vpane.lower.commarea.buttons.commit conf -state}
3377
3378# -- Commit Message Buffer
3379#
3380frame .vpane.lower.commarea.buffer
3381frame .vpane.lower.commarea.buffer.header
3382set ui_comm .vpane.lower.commarea.buffer.t
3383set ui_coml .vpane.lower.commarea.buffer.header.l
3384radiobutton .vpane.lower.commarea.buffer.header.new \
3385        -text {New Commit} \
3386        -command do_select_commit_type \
3387        -variable selected_commit_type \
3388        -value new \
3389        -font font_ui
3390lappend disable_on_lock \
3391        [list .vpane.lower.commarea.buffer.header.new conf -state]
3392radiobutton .vpane.lower.commarea.buffer.header.amend \
3393        -text {Amend Last Commit} \
3394        -command do_select_commit_type \
3395        -variable selected_commit_type \
3396        -value amend \
3397        -font font_ui
3398lappend disable_on_lock \
3399        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3400label $ui_coml \
3401        -anchor w \
3402        -justify left \
3403        -font font_ui
3404proc trace_commit_type {varname args} {
3405        global ui_coml commit_type
3406        switch -glob -- $commit_type {
3407        initial       {set txt {Initial Commit Message:}}
3408        amend         {set txt {Amended Commit Message:}}
3409        amend-initial {set txt {Amended Initial Commit Message:}}
3410        amend-merge   {set txt {Amended Merge Commit Message:}}
3411        merge         {set txt {Merge Commit Message:}}
3412        *             {set txt {Commit Message:}}
3413        }
3414        $ui_coml conf -text $txt
3415}
3416trace add variable commit_type write trace_commit_type
3417pack $ui_coml -side left -fill x
3418pack .vpane.lower.commarea.buffer.header.amend -side right
3419pack .vpane.lower.commarea.buffer.header.new -side right
3420
3421text $ui_comm -background white -borderwidth 1 \
3422        -undo true \
3423        -maxundo 20 \
3424        -autoseparators true \
3425        -relief sunken \
3426        -width 75 -height 9 -wrap none \
3427        -font font_diff \
3428        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3429scrollbar .vpane.lower.commarea.buffer.sby \
3430        -command [list $ui_comm yview]
3431pack .vpane.lower.commarea.buffer.header -side top -fill x
3432pack .vpane.lower.commarea.buffer.sby -side right -fill y
3433pack $ui_comm -side left -fill y
3434pack .vpane.lower.commarea.buffer -side left -fill y
3435
3436# -- Commit Message Buffer Context Menu
3437#
3438set ctxm .vpane.lower.commarea.buffer.ctxm
3439menu $ctxm -tearoff 0
3440$ctxm add command \
3441        -label {Cut} \
3442        -font font_ui \
3443        -command {tk_textCut $ui_comm}
3444$ctxm add command \
3445        -label {Copy} \
3446        -font font_ui \
3447        -command {tk_textCopy $ui_comm}
3448$ctxm add command \
3449        -label {Paste} \
3450        -font font_ui \
3451        -command {tk_textPaste $ui_comm}
3452$ctxm add command \
3453        -label {Delete} \
3454        -font font_ui \
3455        -command {$ui_comm delete sel.first sel.last}
3456$ctxm add separator
3457$ctxm add command \
3458        -label {Select All} \
3459        -font font_ui \
3460        -command {$ui_comm tag add sel 0.0 end}
3461$ctxm add command \
3462        -label {Copy All} \
3463        -font font_ui \
3464        -command {
3465                $ui_comm tag add sel 0.0 end
3466                tk_textCopy $ui_comm
3467                $ui_comm tag remove sel 0.0 end
3468        }
3469$ctxm add separator
3470$ctxm add command \
3471        -label {Sign Off} \
3472        -font font_ui \
3473        -command do_signoff
3474bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3475
3476# -- Diff Header
3477#
3478set current_diff {}
3479set diff_actions [list]
3480proc trace_current_diff {varname args} {
3481        global current_diff diff_actions file_states
3482        if {$current_diff eq {}} {
3483                set s {}
3484                set f {}
3485                set p {}
3486                set o disabled
3487        } else {
3488                set p $current_diff
3489                set s [mapdesc [lindex $file_states($p) 0] $p]
3490                set f {File:}
3491                set p [escape_path $p]
3492                set o normal
3493        }
3494
3495        .vpane.lower.diff.header.status configure -text $s
3496        .vpane.lower.diff.header.file configure -text $f
3497        .vpane.lower.diff.header.path configure -text $p
3498        foreach w $diff_actions {
3499                uplevel #0 $w $o
3500        }
3501}
3502trace add variable current_diff write trace_current_diff
3503
3504frame .vpane.lower.diff.header -background orange
3505label .vpane.lower.diff.header.status \
3506        -background orange \
3507        -width $max_status_desc \
3508        -anchor w \
3509        -justify left \
3510        -font font_ui
3511label .vpane.lower.diff.header.file \
3512        -background orange \
3513        -anchor w \
3514        -justify left \
3515        -font font_ui
3516label .vpane.lower.diff.header.path \
3517        -background orange \
3518        -anchor w \
3519        -justify left \
3520        -font font_ui
3521pack .vpane.lower.diff.header.status -side left
3522pack .vpane.lower.diff.header.file -side left
3523pack .vpane.lower.diff.header.path -fill x
3524set ctxm .vpane.lower.diff.header.ctxm
3525menu $ctxm -tearoff 0
3526$ctxm add command \
3527        -label {Copy} \
3528        -font font_ui \
3529        -command {
3530                clipboard clear
3531                clipboard append \
3532                        -format STRING \
3533                        -type STRING \
3534                        -- $current_diff
3535        }
3536lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3537bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3538
3539# -- Diff Body
3540#
3541frame .vpane.lower.diff.body
3542set ui_diff .vpane.lower.diff.body.t
3543text $ui_diff -background white -borderwidth 0 \
3544        -width 80 -height 15 -wrap none \
3545        -font font_diff \
3546        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3547        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3548        -state disabled
3549scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3550        -command [list $ui_diff xview]
3551scrollbar .vpane.lower.diff.body.sby -orient vertical \
3552        -command [list $ui_diff yview]
3553pack .vpane.lower.diff.body.sbx -side bottom -fill x
3554pack .vpane.lower.diff.body.sby -side right -fill y
3555pack $ui_diff -side left -fill both -expand 1
3556pack .vpane.lower.diff.header -side top -fill x
3557pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3558
3559$ui_diff tag conf d_@ -font font_diffbold
3560$ui_diff tag conf d_+  -foreground blue
3561$ui_diff tag conf d_-  -foreground red
3562$ui_diff tag conf d_++ -foreground {#00a000}
3563$ui_diff tag conf d_-- -foreground {#a000a0}
3564$ui_diff tag conf d_+- \
3565        -foreground red \
3566        -background {light goldenrod yellow}
3567$ui_diff tag conf d_-+ \
3568        -foreground blue \
3569        -background azure2
3570
3571# -- Diff Body Context Menu
3572#
3573set ctxm .vpane.lower.diff.body.ctxm
3574menu $ctxm -tearoff 0
3575$ctxm add command \
3576        -label {Copy} \
3577        -font font_ui \
3578        -command {tk_textCopy $ui_diff}
3579lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3580$ctxm add command \
3581        -label {Select All} \
3582        -font font_ui \
3583        -command {$ui_diff tag add sel 0.0 end}
3584lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3585$ctxm add command \
3586        -label {Copy All} \
3587        -font font_ui \
3588        -command {
3589                $ui_diff tag add sel 0.0 end
3590                tk_textCopy $ui_diff
3591                $ui_diff tag remove sel 0.0 end
3592        }
3593lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3594$ctxm add separator
3595$ctxm add command \
3596        -label {Decrease Font Size} \
3597        -font font_ui \
3598        -command {incr_font_size font_diff -1}
3599lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3600$ctxm add command \
3601        -label {Increase Font Size} \
3602        -font font_ui \
3603        -command {incr_font_size font_diff 1}
3604lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3605$ctxm add separator
3606$ctxm add command \
3607        -label {Show Less Context} \
3608        -font font_ui \
3609        -command {if {$repo_config(gui.diffcontext) >= 2} {
3610                incr repo_config(gui.diffcontext) -1
3611                reshow_diff
3612        }}
3613lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3614$ctxm add command \
3615        -label {Show More Context} \
3616        -font font_ui \
3617        -command {
3618                incr repo_config(gui.diffcontext)
3619                reshow_diff
3620        }
3621lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3622$ctxm add separator
3623$ctxm add command -label {Options...} \
3624        -font font_ui \
3625        -command do_options
3626bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
3627
3628# -- Status Bar
3629#
3630set ui_status_value {Initializing...}
3631label .status -textvariable ui_status_value \
3632        -anchor w \
3633        -justify left \
3634        -borderwidth 1 \
3635        -relief sunken \
3636        -font font_ui
3637pack .status -anchor w -side bottom -fill x
3638
3639# -- Load geometry
3640#
3641catch {
3642set gm $repo_config(gui.geometry)
3643wm geometry . [lindex $gm 0]
3644.vpane sash place 0 \
3645        [lindex [.vpane sash coord 0] 0] \
3646        [lindex $gm 1]
3647.vpane.files sash place 0 \
3648        [lindex $gm 2] \
3649        [lindex [.vpane.files sash coord 0] 1]
3650unset gm
3651}
3652
3653# -- Key Bindings
3654#
3655bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3656bind $ui_comm <$M1B-Key-i> {do_include_all;break}
3657bind $ui_comm <$M1B-Key-I> {do_include_all;break}
3658bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3659bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3660bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3661bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3662bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3663bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3664bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3665bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3666
3667bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3668bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3669bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3670bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3671bind $ui_diff <$M1B-Key-v> {break}
3672bind $ui_diff <$M1B-Key-V> {break}
3673bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3674bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3675bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3676bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3677bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3678bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3679
3680bind .   <Destroy> do_quit
3681bind all <Key-F5> do_rescan
3682bind all <$M1B-Key-r> do_rescan
3683bind all <$M1B-Key-R> do_rescan
3684bind .   <$M1B-Key-s> do_signoff
3685bind .   <$M1B-Key-S> do_signoff
3686bind .   <$M1B-Key-i> do_include_all
3687bind .   <$M1B-Key-I> do_include_all
3688bind .   <$M1B-Key-Return> do_commit
3689bind all <$M1B-Key-q> do_quit
3690bind all <$M1B-Key-Q> do_quit
3691bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3692bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3693foreach i [list $ui_index $ui_workdir] {
3694        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3695        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3696        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3697}
3698unset i
3699
3700set file_lists($ui_index) [list]
3701set file_lists($ui_workdir) [list]
3702
3703set HEAD {}
3704set PARENT {}
3705set MERGE_HEAD [list]
3706set commit_type {}
3707set empty_tree {}
3708set current_branch {}
3709set current_diff {}
3710set selected_commit_type new
3711
3712wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
3713focus -force $ui_comm
3714
3715# -- Warn the user about environmental problems.  Cygwin's Tcl
3716#    does *not* pass its env array onto any processes it spawns.
3717#    This means that git processes get none of our environment.
3718#
3719if {[is_Windows]} {
3720        set ignored_env 0
3721        set suggest_user {}
3722        set msg "Possible environment issues exist.
3723
3724The following environment variables are probably
3725going to be ignored by any Git subprocess run
3726by [appname]:
3727
3728"
3729        foreach name [array names env] {
3730                switch -regexp -- $name {
3731                {^GIT_INDEX_FILE$} -
3732                {^GIT_OBJECT_DIRECTORY$} -
3733                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3734                {^GIT_DIFF_OPTS$} -
3735                {^GIT_EXTERNAL_DIFF$} -
3736                {^GIT_PAGER$} -
3737                {^GIT_TRACE$} -
3738                {^GIT_CONFIG$} -
3739                {^GIT_CONFIG_LOCAL$} -
3740                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3741                        append msg " - $name\n"
3742                        incr ignored_env
3743                }
3744                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3745                        append msg " - $name\n"
3746                        incr ignored_env
3747                        set suggest_user $name
3748                }
3749                }
3750        }
3751        if {$ignored_env > 0} {
3752                append msg "
3753This is due to a known issue with the
3754Tcl binary distributed by Cygwin."
3755
3756                if {$suggest_user ne {}} {
3757                        append msg "
3758
3759A good replacement for $suggest_user
3760is placing values for the user.name and
3761user.email settings into your personal
3762~/.gitconfig file.
3763"
3764                }
3765                warn_popup $msg
3766        }
3767        unset ignored_env msg suggest_user name
3768}
3769
3770# -- Only initialize complex UI if we are going to stay running.
3771#
3772if {!$single_commit} {
3773        load_all_remotes
3774        load_all_heads
3775
3776        populate_branch_menu .mbar.branch
3777        populate_fetch_menu .mbar.fetch
3778        populate_pull_menu .mbar.pull
3779        populate_push_menu .mbar.push
3780}
3781
3782# -- Only suggest a gc run if we are going to stay running.
3783#
3784if {!$single_commit} {
3785        set object_limit 2000
3786        if {[is_Windows]} {set object_limit 200}
3787        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
3788        if {$objects_current >= $object_limit} {
3789                if {[ask_popup \
3790                        "This repository currently has $objects_current loose objects.
3791
3792To maintain optimal performance it is strongly
3793recommended that you compress the database
3794when more than $object_limit loose objects exist.
3795
3796Compress the database now?"] eq yes} {
3797                        do_gc
3798                }
3799        }
3800        unset object_limit _junk objects_current
3801}
3802
3803lock_index begin-read
3804after 1 do_rescan