7bd2b87fe3e636d293308d2a861da0dd4da77c17
   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 $s 1] {} {}]
1113                }
1114                AM -
1115                AD -
1116                MM -
1117                MD {
1118                        set file_states($path) [list \
1119                                _[string index $m 1] \
1120                                [lindex $s 1] \
1121                                [lindex $s 3] \
1122                                {}]
1123                }
1124                }
1125        }
1126
1127        display_all_files
1128        unlock_index
1129        reshow_diff
1130        set ui_status_value \
1131                "Changes committed as [string range $cmt_id 0 7]."
1132}
1133
1134######################################################################
1135##
1136## fetch pull push
1137
1138proc fetch_from {remote} {
1139        set w [new_console "fetch $remote" \
1140                "Fetching new changes from $remote"]
1141        set cmd [list git fetch]
1142        lappend cmd $remote
1143        console_exec $w $cmd
1144}
1145
1146proc pull_remote {remote branch} {
1147        global HEAD commit_type file_states repo_config
1148
1149        if {![lock_index update]} return
1150
1151        # -- Our in memory state should match the repository.
1152        #
1153        repository_state curType curHEAD curMERGE_HEAD
1154        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1155                info_popup {Last scanned state does not match repository state.
1156
1157Another Git program has modified this repository
1158since the last scan.  A rescan must be performed
1159before a pull operation can be started.
1160
1161The rescan will be automatically started now.
1162}
1163                unlock_index
1164                rescan {set ui_status_value {Ready.}}
1165                return
1166        }
1167
1168        # -- No differences should exist before a pull.
1169        #
1170        if {[array size file_states] != 0} {
1171                error_popup {Uncommitted but modified files are present.
1172
1173You should not perform a pull with unmodified
1174files in your working directory as Git will be
1175unable to recover from an incorrect merge.
1176
1177You should commit or revert all changes before
1178starting a pull operation.
1179}
1180                unlock_index
1181                return
1182        }
1183
1184        set w [new_console "pull $remote $branch" \
1185                "Pulling new changes from branch $branch in $remote"]
1186        set cmd [list git pull]
1187        if {$repo_config(gui.pullsummary) eq {false}} {
1188                lappend cmd --no-summary
1189        }
1190        lappend cmd $remote
1191        lappend cmd $branch
1192        console_exec $w $cmd [list post_pull_remote $remote $branch]
1193}
1194
1195proc post_pull_remote {remote branch success} {
1196        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1197        global ui_status_value
1198
1199        unlock_index
1200        if {$success} {
1201                repository_state commit_type HEAD MERGE_HEAD
1202                set PARENT $HEAD
1203                set selected_commit_type new
1204                set ui_status_value "Pulling $branch from $remote complete."
1205        } else {
1206                rescan [list set ui_status_value \
1207                        "Conflicts detected while pulling $branch from $remote."]
1208        }
1209}
1210
1211proc push_to {remote} {
1212        set w [new_console "push $remote" \
1213                "Pushing changes to $remote"]
1214        set cmd [list git push]
1215        lappend cmd $remote
1216        console_exec $w $cmd
1217}
1218
1219######################################################################
1220##
1221## ui helpers
1222
1223proc mapicon {w state path} {
1224        global all_icons
1225
1226        if {[catch {set r $all_icons($state$w)}]} {
1227                puts "error: no icon for $w state={$state} $path"
1228                return file_plain
1229        }
1230        return $r
1231}
1232
1233proc mapdesc {state path} {
1234        global all_descs
1235
1236        if {[catch {set r $all_descs($state)}]} {
1237                puts "error: no desc for state={$state} $path"
1238                return $state
1239        }
1240        return $r
1241}
1242
1243proc escape_path {path} {
1244        regsub -all "\n" $path "\\n" path
1245        return $path
1246}
1247
1248proc short_path {path} {
1249        return [escape_path [lindex [file split $path] end]]
1250}
1251
1252set next_icon_id 0
1253set null_sha1 [string repeat 0 40]
1254
1255proc merge_state {path new_state {head_info {}} {index_info {}}} {
1256        global file_states next_icon_id null_sha1
1257
1258        set s0 [string index $new_state 0]
1259        set s1 [string index $new_state 1]
1260
1261        if {[catch {set info $file_states($path)}]} {
1262                set state __
1263                set icon n[incr next_icon_id]
1264        } else {
1265                set state [lindex $info 0]
1266                set icon [lindex $info 1]
1267                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1268                if {$index_info eq {}} {set index_info [lindex $info 3]}
1269        }
1270
1271        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1272        elseif {$s0 eq {_}} {set s0 _}
1273
1274        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1275        elseif {$s1 eq {_}} {set s1 _}
1276
1277        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1278                set head_info [list 0 $null_sha1]
1279        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1280                && $head_info eq {}} {
1281                set head_info $index_info
1282        }
1283
1284        set file_states($path) [list $s0$s1 $icon \
1285                $head_info $index_info \
1286                ]
1287        return $state
1288}
1289
1290proc display_file_helper {w path icon_name old_m new_m} {
1291        global file_lists
1292
1293        if {$new_m eq {_}} {
1294                set lno [lsearch -sorted $file_lists($w) $path]
1295                if {$lno >= 0} {
1296                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1297                        incr lno
1298                        $w conf -state normal
1299                        $w delete $lno.0 [expr {$lno + 1}].0
1300                        $w conf -state disabled
1301                }
1302        } elseif {$old_m eq {_} && $new_m ne {_}} {
1303                lappend file_lists($w) $path
1304                set file_lists($w) [lsort -unique $file_lists($w)]
1305                set lno [lsearch -sorted $file_lists($w) $path]
1306                incr lno
1307                $w conf -state normal
1308                $w image create $lno.0 \
1309                        -align center -padx 5 -pady 1 \
1310                        -name $icon_name \
1311                        -image [mapicon $w $new_m $path]
1312                $w insert $lno.1 "[escape_path $path]\n"
1313                $w conf -state disabled
1314        } elseif {$old_m ne $new_m} {
1315                $w conf -state normal
1316                $w image conf $icon_name -image [mapicon $w $new_m $path]
1317                $w conf -state disabled
1318        }
1319}
1320
1321proc display_file {path state} {
1322        global file_states selected_paths
1323        global ui_index ui_workdir
1324
1325        set old_m [merge_state $path $state]
1326        set s $file_states($path)
1327        set new_m [lindex $s 0]
1328        set icon_name [lindex $s 1]
1329
1330        display_file_helper     $ui_index $path $icon_name \
1331                [string index $old_m 0] \
1332                [string index $new_m 0]
1333        display_file_helper     $ui_workdir $path $icon_name \
1334                [string index $old_m 1] \
1335                [string index $new_m 1]
1336
1337        if {$new_m eq {__}} {
1338                unset file_states($path)
1339                catch {unset selected_paths($path)}
1340        }
1341}
1342
1343proc display_all_files_helper {w path icon_name m} {
1344        global file_lists
1345
1346        lappend file_lists($w) $path
1347        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1348        $w image create end \
1349                -align center -padx 5 -pady 1 \
1350                -name $icon_name \
1351                -image [mapicon $w $m $path]
1352        $w insert end "[escape_path $path]\n"
1353}
1354
1355proc display_all_files {} {
1356        global ui_index ui_workdir
1357        global file_states file_lists
1358        global last_clicked selected_paths
1359
1360        $ui_index conf -state normal
1361        $ui_workdir conf -state normal
1362
1363        $ui_index delete 0.0 end
1364        $ui_workdir delete 0.0 end
1365        set last_clicked {}
1366
1367        set file_lists($ui_index) [list]
1368        set file_lists($ui_workdir) [list]
1369
1370        foreach path [lsort [array names file_states]] {
1371                set s $file_states($path)
1372                set m [lindex $s 0]
1373                set icon_name [lindex $s 1]
1374
1375                if {[string index $m 0] ne {_}} {
1376                        display_all_files_helper $ui_index $path \
1377                                $icon_name [string index $m 0]
1378                }
1379                if {[string index $m 1] ne {_}} {
1380                        display_all_files_helper $ui_workdir $path \
1381                                $icon_name [string index $m 1]
1382                }
1383        }
1384
1385        $ui_index conf -state disabled
1386        $ui_workdir conf -state disabled
1387}
1388
1389proc update_indexinfo {msg pathList after} {
1390        global update_index_cp ui_status_value
1391
1392        if {![lock_index update]} return
1393
1394        set update_index_cp 0
1395        set pathList [lsort $pathList]
1396        set totalCnt [llength $pathList]
1397        set batch [expr {int($totalCnt * .01) + 1}]
1398        if {$batch > 25} {set batch 25}
1399
1400        set ui_status_value [format \
1401                "$msg... %i/%i files (%.2f%%)" \
1402                $update_index_cp \
1403                $totalCnt \
1404                0.0]
1405        set fd [open "| git update-index -z --index-info" w]
1406        fconfigure $fd \
1407                -blocking 0 \
1408                -buffering full \
1409                -buffersize 512 \
1410                -translation binary
1411        fileevent $fd writable [list \
1412                write_update_indexinfo \
1413                $fd \
1414                $pathList \
1415                $totalCnt \
1416                $batch \
1417                $msg \
1418                $after \
1419                ]
1420}
1421
1422proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1423        global update_index_cp ui_status_value
1424        global file_states current_diff
1425
1426        if {$update_index_cp >= $totalCnt} {
1427                close $fd
1428                unlock_index
1429                uplevel #0 $after
1430                return
1431        }
1432
1433        for {set i $batch} \
1434                {$update_index_cp < $totalCnt && $i > 0} \
1435                {incr i -1} {
1436                set path [lindex $pathList $update_index_cp]
1437                incr update_index_cp
1438
1439                set s $file_states($path)
1440                switch -glob -- [lindex $s 0] {
1441                A? {set new _O}
1442                M? {set new _M}
1443                D_ {set new _D}
1444                D? {set new _?}
1445                ?? {continue}
1446                }
1447                set info [lindex $s 2]
1448                if {$info eq {}} continue
1449
1450                puts -nonewline $fd $info
1451                puts -nonewline $fd "\t"
1452                puts -nonewline $fd $path
1453                puts -nonewline $fd "\0"
1454                display_file $path $new
1455        }
1456
1457        set ui_status_value [format \
1458                "$msg... %i/%i files (%.2f%%)" \
1459                $update_index_cp \
1460                $totalCnt \
1461                [expr {100.0 * $update_index_cp / $totalCnt}]]
1462}
1463
1464proc update_index {msg pathList after} {
1465        global update_index_cp ui_status_value
1466
1467        if {![lock_index update]} return
1468
1469        set update_index_cp 0
1470        set pathList [lsort $pathList]
1471        set totalCnt [llength $pathList]
1472        set batch [expr {int($totalCnt * .01) + 1}]
1473        if {$batch > 25} {set batch 25}
1474
1475        set ui_status_value [format \
1476                "$msg... %i/%i files (%.2f%%)" \
1477                $update_index_cp \
1478                $totalCnt \
1479                0.0]
1480        set fd [open "| git update-index --add --remove -z --stdin" w]
1481        fconfigure $fd \
1482                -blocking 0 \
1483                -buffering full \
1484                -buffersize 512 \
1485                -translation binary
1486        fileevent $fd writable [list \
1487                write_update_index \
1488                $fd \
1489                $pathList \
1490                $totalCnt \
1491                $batch \
1492                $msg \
1493                $after \
1494                ]
1495}
1496
1497proc write_update_index {fd pathList totalCnt batch msg after} {
1498        global update_index_cp ui_status_value
1499        global file_states current_diff
1500
1501        if {$update_index_cp >= $totalCnt} {
1502                close $fd
1503                unlock_index
1504                uplevel #0 $after
1505                return
1506        }
1507
1508        for {set i $batch} \
1509                {$update_index_cp < $totalCnt && $i > 0} \
1510                {incr i -1} {
1511                set path [lindex $pathList $update_index_cp]
1512                incr update_index_cp
1513
1514                switch -glob -- [lindex $file_states($path) 0] {
1515                AD -
1516                MD -
1517                UD -
1518                _D {set new D_}
1519
1520                _M -
1521                MM -
1522                UM -
1523                U_ -
1524                M_ {set new M_}
1525
1526                _O -
1527                AM -
1528                A_ {set new A_}
1529
1530                ?? {continue}
1531                }
1532
1533                puts -nonewline $fd $path
1534                puts -nonewline $fd "\0"
1535                display_file $path $new
1536        }
1537
1538        set ui_status_value [format \
1539                "$msg... %i/%i files (%.2f%%)" \
1540                $update_index_cp \
1541                $totalCnt \
1542                [expr {100.0 * $update_index_cp / $totalCnt}]]
1543}
1544
1545proc checkout_index {msg pathList after} {
1546        global update_index_cp ui_status_value
1547
1548        if {![lock_index update]} return
1549
1550        set update_index_cp 0
1551        set pathList [lsort $pathList]
1552        set totalCnt [llength $pathList]
1553        set batch [expr {int($totalCnt * .01) + 1}]
1554        if {$batch > 25} {set batch 25}
1555
1556        set ui_status_value [format \
1557                "$msg... %i/%i files (%.2f%%)" \
1558                $update_index_cp \
1559                $totalCnt \
1560                0.0]
1561        set cmd [list git checkout-index]
1562        lappend cmd --index
1563        lappend cmd --quiet
1564        lappend cmd --force
1565        lappend cmd -z
1566        lappend cmd --stdin
1567        set fd [open "| $cmd " w]
1568        fconfigure $fd \
1569                -blocking 0 \
1570                -buffering full \
1571                -buffersize 512 \
1572                -translation binary
1573        fileevent $fd writable [list \
1574                write_checkout_index \
1575                $fd \
1576                $pathList \
1577                $totalCnt \
1578                $batch \
1579                $msg \
1580                $after \
1581                ]
1582}
1583
1584proc write_checkout_index {fd pathList totalCnt batch msg after} {
1585        global update_index_cp ui_status_value
1586        global file_states current_diff
1587
1588        if {$update_index_cp >= $totalCnt} {
1589                close $fd
1590                unlock_index
1591                uplevel #0 $after
1592                return
1593        }
1594
1595        for {set i $batch} \
1596                {$update_index_cp < $totalCnt && $i > 0} \
1597                {incr i -1} {
1598                set path [lindex $pathList $update_index_cp]
1599                incr update_index_cp
1600                switch -glob -- [lindex $file_states($path) 0] {
1601                U? {continue}
1602                ?M -
1603                ?D {
1604                        puts -nonewline $fd "$path\0"
1605                        display_file $path ?_
1606                }
1607                }
1608        }
1609
1610        set ui_status_value [format \
1611                "$msg... %i/%i files (%.2f%%)" \
1612                $update_index_cp \
1613                $totalCnt \
1614                [expr {100.0 * $update_index_cp / $totalCnt}]]
1615}
1616
1617######################################################################
1618##
1619## branch management
1620
1621proc load_all_heads {} {
1622        global all_heads tracking_branches
1623
1624        set all_heads [list]
1625        set cmd [list git for-each-ref]
1626        lappend cmd --format=%(refname)
1627        lappend cmd refs/heads
1628        set fd [open "| $cmd" r]
1629        while {[gets $fd line] > 0} {
1630                if {![catch {set info $tracking_branches($line)}]} continue
1631                if {![regsub ^refs/heads/ $line {} name]} continue
1632                lappend all_heads $name
1633        }
1634        close $fd
1635
1636        set all_heads [lsort $all_heads]
1637}
1638
1639proc populate_branch_menu {m} {
1640        global all_heads disable_on_lock
1641
1642        $m add separator
1643        foreach b $all_heads {
1644                $m add radiobutton \
1645                        -label $b \
1646                        -command [list switch_branch $b] \
1647                        -variable current_branch \
1648                        -value $b \
1649                        -font font_ui
1650                lappend disable_on_lock \
1651                        [list $m entryconf [$m index last] -state]
1652        }
1653}
1654
1655proc do_create_branch {} {
1656        error "NOT IMPLEMENTED"
1657}
1658
1659proc do_delete_branch {} {
1660        error "NOT IMPLEMENTED"
1661}
1662
1663proc switch_branch {b} {
1664        global HEAD commit_type file_states current_branch
1665        global selected_commit_type ui_comm
1666
1667        if {![lock_index switch]} return
1668
1669        # -- Backup the selected branch (repository_state resets it)
1670        #
1671        set new_branch $current_branch
1672
1673        # -- Our in memory state should match the repository.
1674        #
1675        repository_state curType curHEAD curMERGE_HEAD
1676        if {[string match amend* $commit_type]
1677                && $curType eq {normal}
1678                && $curHEAD eq $HEAD} {
1679        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
1680                info_popup {Last scanned state does not match repository state.
1681
1682Another Git program has modified this repository
1683since the last scan.  A rescan must be performed
1684before the current branch can be changed.
1685
1686The rescan will be automatically started now.
1687}
1688                unlock_index
1689                rescan {set ui_status_value {Ready.}}
1690                return
1691        }
1692
1693        # -- Toss the message buffer if we are in amend mode.
1694        #
1695        if {[string match amend* $curType]} {
1696                $ui_comm delete 0.0 end
1697                $ui_comm edit reset
1698                $ui_comm edit modified false
1699        }
1700
1701        set selected_commit_type new
1702        set current_branch $new_branch
1703
1704        unlock_index
1705        error "NOT FINISHED"
1706}
1707
1708######################################################################
1709##
1710## remote management
1711
1712proc load_all_remotes {} {
1713        global repo_config
1714        global all_remotes tracking_branches
1715
1716        set all_remotes [list]
1717        array unset tracking_branches
1718
1719        set rm_dir [gitdir remotes]
1720        if {[file isdirectory $rm_dir]} {
1721                set all_remotes [glob \
1722                        -types f \
1723                        -tails \
1724                        -nocomplain \
1725                        -directory $rm_dir *]
1726
1727                foreach name $all_remotes {
1728                        catch {
1729                                set fd [open [file join $rm_dir $name] r]
1730                                while {[gets $fd line] >= 0} {
1731                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
1732                                                $line line src dst]} continue
1733                                        if {![regexp ^refs/ $dst]} {
1734                                                set dst "refs/heads/$dst"
1735                                        }
1736                                        set tracking_branches($dst) [list $name $src]
1737                                }
1738                                close $fd
1739                        }
1740                }
1741        }
1742
1743        foreach line [array names repo_config remote.*.url] {
1744                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
1745                lappend all_remotes $name
1746
1747                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
1748                        set fl {}
1749                }
1750                foreach line $fl {
1751                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
1752                        if {![regexp ^refs/ $dst]} {
1753                                set dst "refs/heads/$dst"
1754                        }
1755                        set tracking_branches($dst) [list $name $src]
1756                }
1757        }
1758
1759        set all_remotes [lsort -unique $all_remotes]
1760}
1761
1762proc populate_fetch_menu {m} {
1763        global all_remotes repo_config
1764
1765        foreach r $all_remotes {
1766                set enable 0
1767                if {![catch {set a $repo_config(remote.$r.url)}]} {
1768                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
1769                                set enable 1
1770                        }
1771                } else {
1772                        catch {
1773                                set fd [open [gitdir remotes $r] r]
1774                                while {[gets $fd n] >= 0} {
1775                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
1776                                                set enable 1
1777                                                break
1778                                        }
1779                                }
1780                                close $fd
1781                        }
1782                }
1783
1784                if {$enable} {
1785                        $m add command \
1786                                -label "Fetch from $r..." \
1787                                -command [list fetch_from $r] \
1788                                -font font_ui
1789                }
1790        }
1791}
1792
1793proc populate_push_menu {m} {
1794        global all_remotes repo_config
1795
1796        foreach r $all_remotes {
1797                set enable 0
1798                if {![catch {set a $repo_config(remote.$r.url)}]} {
1799                        if {![catch {set a $repo_config(remote.$r.push)}]} {
1800                                set enable 1
1801                        }
1802                } else {
1803                        catch {
1804                                set fd [open [gitdir remotes $r] r]
1805                                while {[gets $fd n] >= 0} {
1806                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
1807                                                set enable 1
1808                                                break
1809                                        }
1810                                }
1811                                close $fd
1812                        }
1813                }
1814
1815                if {$enable} {
1816                        $m add command \
1817                                -label "Push to $r..." \
1818                                -command [list push_to $r] \
1819                                -font font_ui
1820                }
1821        }
1822}
1823
1824proc populate_pull_menu {m} {
1825        global repo_config all_remotes disable_on_lock
1826
1827        foreach remote $all_remotes {
1828                set rb_list [list]
1829                if {[array get repo_config remote.$remote.url] ne {}} {
1830                        if {[array get repo_config remote.$remote.fetch] ne {}} {
1831                                foreach line $repo_config(remote.$remote.fetch) {
1832                                        if {[regexp {^([^:]+):} $line line rb]} {
1833                                                lappend rb_list $rb
1834                                        }
1835                                }
1836                        }
1837                } else {
1838                        catch {
1839                                set fd [open [gitdir remotes $remote] r]
1840                                while {[gets $fd line] >= 0} {
1841                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
1842                                                lappend rb_list $rb
1843                                        }
1844                                }
1845                                close $fd
1846                        }
1847                }
1848
1849                foreach rb $rb_list {
1850                        regsub ^refs/heads/ $rb {} rb_short
1851                        $m add command \
1852                                -label "Branch $rb_short from $remote..." \
1853                                -command [list pull_remote $remote $rb] \
1854                                -font font_ui
1855                        lappend disable_on_lock \
1856                                [list $m entryconf [$m index last] -state]
1857                }
1858        }
1859}
1860
1861######################################################################
1862##
1863## icons
1864
1865set filemask {
1866#define mask_width 14
1867#define mask_height 15
1868static unsigned char mask_bits[] = {
1869   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1870   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1871   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1872}
1873
1874image create bitmap file_plain -background white -foreground black -data {
1875#define plain_width 14
1876#define plain_height 15
1877static unsigned char plain_bits[] = {
1878   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1879   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1880   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1881} -maskdata $filemask
1882
1883image create bitmap file_mod -background white -foreground blue -data {
1884#define mod_width 14
1885#define mod_height 15
1886static unsigned char mod_bits[] = {
1887   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1888   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1889   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1890} -maskdata $filemask
1891
1892image create bitmap file_fulltick -background white -foreground "#007000" -data {
1893#define file_fulltick_width 14
1894#define file_fulltick_height 15
1895static unsigned char file_fulltick_bits[] = {
1896   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1897   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1898   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1899} -maskdata $filemask
1900
1901image create bitmap file_parttick -background white -foreground "#005050" -data {
1902#define parttick_width 14
1903#define parttick_height 15
1904static unsigned char parttick_bits[] = {
1905   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1906   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1907   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1908} -maskdata $filemask
1909
1910image create bitmap file_question -background white -foreground black -data {
1911#define file_question_width 14
1912#define file_question_height 15
1913static unsigned char file_question_bits[] = {
1914   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1915   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1916   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1917} -maskdata $filemask
1918
1919image create bitmap file_removed -background white -foreground red -data {
1920#define file_removed_width 14
1921#define file_removed_height 15
1922static unsigned char file_removed_bits[] = {
1923   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1924   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1925   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1926} -maskdata $filemask
1927
1928image create bitmap file_merge -background white -foreground blue -data {
1929#define file_merge_width 14
1930#define file_merge_height 15
1931static unsigned char file_merge_bits[] = {
1932   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1933   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1934   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1935} -maskdata $filemask
1936
1937set ui_index .vpane.files.index.list
1938set ui_workdir .vpane.files.workdir.list
1939
1940set all_icons(_$ui_index)   file_plain
1941set all_icons(A$ui_index)   file_fulltick
1942set all_icons(M$ui_index)   file_fulltick
1943set all_icons(D$ui_index)   file_removed
1944set all_icons(U$ui_index)   file_merge
1945
1946set all_icons(_$ui_workdir) file_plain
1947set all_icons(M$ui_workdir) file_mod
1948set all_icons(D$ui_workdir) file_question
1949set all_icons(O$ui_workdir) file_plain
1950
1951set max_status_desc 0
1952foreach i {
1953                {__ "Unmodified"}
1954
1955                {_M "Modified, not staged"}
1956                {M_ "Staged for commit"}
1957                {MM "Portions staged for commit"}
1958                {MD "Staged for commit, missing"}
1959
1960                {_O "Untracked, not staged"}
1961                {A_ "Staged for commit"}
1962                {AM "Portions staged for commit"}
1963                {AD "Staged for commit, missing"}
1964
1965                {_D "Missing"}
1966                {D_ "Staged for removal"}
1967                {DO "Staged for removal, still present"}
1968
1969                {U_ "Requires merge resolution"}
1970                {UM "Requires merge resolution"}
1971                {UD "Requires merge resolution"}
1972        } {
1973        if {$max_status_desc < [string length [lindex $i 1]]} {
1974                set max_status_desc [string length [lindex $i 1]]
1975        }
1976        set all_descs([lindex $i 0]) [lindex $i 1]
1977}
1978unset i
1979
1980######################################################################
1981##
1982## util
1983
1984proc is_MacOSX {} {
1985        global tcl_platform tk_library
1986        if {[tk windowingsystem] eq {aqua}} {
1987                return 1
1988        }
1989        return 0
1990}
1991
1992proc is_Windows {} {
1993        global tcl_platform
1994        if {$tcl_platform(platform) eq {windows}} {
1995                return 1
1996        }
1997        return 0
1998}
1999
2000proc bind_button3 {w cmd} {
2001        bind $w <Any-Button-3> $cmd
2002        if {[is_MacOSX]} {
2003                bind $w <Control-Button-1> $cmd
2004        }
2005}
2006
2007proc incr_font_size {font {amt 1}} {
2008        set sz [font configure $font -size]
2009        incr sz $amt
2010        font configure $font -size $sz
2011        font configure ${font}bold -size $sz
2012}
2013
2014proc hook_failed_popup {hook msg} {
2015        set w .hookfail
2016        toplevel $w
2017
2018        frame $w.m
2019        label $w.m.l1 -text "$hook hook failed:" \
2020                -anchor w \
2021                -justify left \
2022                -font font_uibold
2023        text $w.m.t \
2024                -background white -borderwidth 1 \
2025                -relief sunken \
2026                -width 80 -height 10 \
2027                -font font_diff \
2028                -yscrollcommand [list $w.m.sby set]
2029        label $w.m.l2 \
2030                -text {You must correct the above errors before committing.} \
2031                -anchor w \
2032                -justify left \
2033                -font font_uibold
2034        scrollbar $w.m.sby -command [list $w.m.t yview]
2035        pack $w.m.l1 -side top -fill x
2036        pack $w.m.l2 -side bottom -fill x
2037        pack $w.m.sby -side right -fill y
2038        pack $w.m.t -side left -fill both -expand 1
2039        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2040
2041        $w.m.t insert 1.0 $msg
2042        $w.m.t conf -state disabled
2043
2044        button $w.ok -text OK \
2045                -width 15 \
2046                -font font_ui \
2047                -command "destroy $w"
2048        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2049
2050        bind $w <Visibility> "grab $w; focus $w"
2051        bind $w <Key-Return> "destroy $w"
2052        wm title $w "[appname] ([reponame]): error"
2053        tkwait window $w
2054}
2055
2056set next_console_id 0
2057
2058proc new_console {short_title long_title} {
2059        global next_console_id console_data
2060        set w .console[incr next_console_id]
2061        set console_data($w) [list $short_title $long_title]
2062        return [console_init $w]
2063}
2064
2065proc console_init {w} {
2066        global console_cr console_data M1B
2067
2068        set console_cr($w) 1.0
2069        toplevel $w
2070        frame $w.m
2071        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2072                -anchor w \
2073                -justify left \
2074                -font font_uibold
2075        text $w.m.t \
2076                -background white -borderwidth 1 \
2077                -relief sunken \
2078                -width 80 -height 10 \
2079                -font font_diff \
2080                -state disabled \
2081                -yscrollcommand [list $w.m.sby set]
2082        label $w.m.s -text {Working... please wait...} \
2083                -anchor w \
2084                -justify left \
2085                -font font_uibold
2086        scrollbar $w.m.sby -command [list $w.m.t yview]
2087        pack $w.m.l1 -side top -fill x
2088        pack $w.m.s -side bottom -fill x
2089        pack $w.m.sby -side right -fill y
2090        pack $w.m.t -side left -fill both -expand 1
2091        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2092
2093        menu $w.ctxm -tearoff 0
2094        $w.ctxm add command -label "Copy" \
2095                -font font_ui \
2096                -command "tk_textCopy $w.m.t"
2097        $w.ctxm add command -label "Select All" \
2098                -font font_ui \
2099                -command "$w.m.t tag add sel 0.0 end"
2100        $w.ctxm add command -label "Copy All" \
2101                -font font_ui \
2102                -command "
2103                        $w.m.t tag add sel 0.0 end
2104                        tk_textCopy $w.m.t
2105                        $w.m.t tag remove sel 0.0 end
2106                "
2107
2108        button $w.ok -text {Close} \
2109                -font font_ui \
2110                -state disabled \
2111                -command "destroy $w"
2112        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2113
2114        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2115        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2116        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2117        bind $w <Visibility> "focus $w"
2118        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2119        return $w
2120}
2121
2122proc console_exec {w cmd {after {}}} {
2123        # -- Windows tosses the enviroment when we exec our child.
2124        #    But most users need that so we have to relogin. :-(
2125        #
2126        if {[is_Windows]} {
2127                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2128        }
2129
2130        # -- Tcl won't let us redirect both stdout and stderr to
2131        #    the same pipe.  So pass it through cat...
2132        #
2133        set cmd [concat | $cmd |& cat]
2134
2135        set fd_f [open $cmd r]
2136        fconfigure $fd_f -blocking 0 -translation binary
2137        fileevent $fd_f readable [list console_read $w $fd_f $after]
2138}
2139
2140proc console_read {w fd after} {
2141        global console_cr console_data
2142
2143        set buf [read $fd]
2144        if {$buf ne {}} {
2145                if {![winfo exists $w]} {console_init $w}
2146                $w.m.t conf -state normal
2147                set c 0
2148                set n [string length $buf]
2149                while {$c < $n} {
2150                        set cr [string first "\r" $buf $c]
2151                        set lf [string first "\n" $buf $c]
2152                        if {$cr < 0} {set cr [expr {$n + 1}]}
2153                        if {$lf < 0} {set lf [expr {$n + 1}]}
2154
2155                        if {$lf < $cr} {
2156                                $w.m.t insert end [string range $buf $c $lf]
2157                                set console_cr($w) [$w.m.t index {end -1c}]
2158                                set c $lf
2159                                incr c
2160                        } else {
2161                                $w.m.t delete $console_cr($w) end
2162                                $w.m.t insert end "\n"
2163                                $w.m.t insert end [string range $buf $c $cr]
2164                                set c $cr
2165                                incr c
2166                        }
2167                }
2168                $w.m.t conf -state disabled
2169                $w.m.t see end
2170        }
2171
2172        fconfigure $fd -blocking 1
2173        if {[eof $fd]} {
2174                if {[catch {close $fd}]} {
2175                        if {![winfo exists $w]} {console_init $w}
2176                        $w.m.s conf -background red -text {Error: Command Failed}
2177                        $w.ok conf -state normal
2178                        set ok 0
2179                } elseif {[winfo exists $w]} {
2180                        $w.m.s conf -background green -text {Success}
2181                        $w.ok conf -state normal
2182                        set ok 1
2183                }
2184                array unset console_cr $w
2185                array unset console_data $w
2186                if {$after ne {}} {
2187                        uplevel #0 $after $ok
2188                }
2189                return
2190        }
2191        fconfigure $fd -blocking 0
2192}
2193
2194######################################################################
2195##
2196## ui commands
2197
2198set starting_gitk_msg {Starting gitk... please wait...}
2199
2200proc do_gitk {revs} {
2201        global ui_status_value starting_gitk_msg
2202
2203        set cmd gitk
2204        if {$revs ne {}} {
2205                append cmd { }
2206                append cmd $revs
2207        }
2208        if {[is_Windows]} {
2209                set cmd "sh -c \"exec $cmd\""
2210        }
2211        append cmd { &}
2212
2213        if {[catch {eval exec $cmd} err]} {
2214                error_popup "Failed to start gitk:\n\n$err"
2215        } else {
2216                set ui_status_value $starting_gitk_msg
2217                after 10000 {
2218                        if {$ui_status_value eq $starting_gitk_msg} {
2219                                set ui_status_value {Ready.}
2220                        }
2221                }
2222        }
2223}
2224
2225proc do_gc {} {
2226        set w [new_console {gc} {Compressing the object database}]
2227        console_exec $w {git gc}
2228}
2229
2230proc do_fsck_objects {} {
2231        set w [new_console {fsck-objects} \
2232                {Verifying the object database with fsck-objects}]
2233        set cmd [list git fsck-objects]
2234        lappend cmd --full
2235        lappend cmd --cache
2236        lappend cmd --strict
2237        console_exec $w $cmd
2238}
2239
2240set is_quitting 0
2241
2242proc do_quit {} {
2243        global ui_comm is_quitting repo_config commit_type
2244
2245        if {$is_quitting} return
2246        set is_quitting 1
2247
2248        # -- Stash our current commit buffer.
2249        #
2250        set save [gitdir GITGUI_MSG]
2251        set msg [string trim [$ui_comm get 0.0 end]]
2252        if {![string match amend* $commit_type]
2253                && [$ui_comm edit modified]
2254                && $msg ne {}} {
2255                catch {
2256                        set fd [open $save w]
2257                        puts $fd [string trim [$ui_comm get 0.0 end]]
2258                        close $fd
2259                }
2260        } else {
2261                catch {file delete $save}
2262        }
2263
2264        # -- Stash our current window geometry into this repository.
2265        #
2266        set cfg_geometry [list]
2267        lappend cfg_geometry [wm geometry .]
2268        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2269        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2270        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2271                set rc_geometry {}
2272        }
2273        if {$cfg_geometry ne $rc_geometry} {
2274                catch {exec git repo-config gui.geometry $cfg_geometry}
2275        }
2276
2277        destroy .
2278}
2279
2280proc do_rescan {} {
2281        rescan {set ui_status_value {Ready.}}
2282}
2283
2284proc unstage_helper {txt paths} {
2285        global file_states current_diff
2286
2287        if {![lock_index begin-update]} return
2288
2289        set pathList [list]
2290        set after {}
2291        foreach path $paths {
2292                switch -glob -- [lindex $file_states($path) 0] {
2293                A? -
2294                M? -
2295                D? {
2296                        lappend pathList $path
2297                        if {$path eq $current_diff} {
2298                                set after {reshow_diff;}
2299                        }
2300                }
2301                }
2302        }
2303        if {$pathList eq {}} {
2304                unlock_index
2305        } else {
2306                update_indexinfo \
2307                        $txt \
2308                        $pathList \
2309                        [concat $after {set ui_status_value {Ready.}}]
2310        }
2311}
2312
2313proc do_unstage_selection {} {
2314        global current_diff selected_paths
2315
2316        if {[array size selected_paths] > 0} {
2317                unstage_helper \
2318                        {Unstaging selected files from commit} \
2319                        [array names selected_paths]
2320        } elseif {$current_diff ne {}} {
2321                unstage_helper \
2322                        "Unstaging [short_path $current_diff] from commit" \
2323                        [list $current_diff]
2324        }
2325}
2326
2327proc add_helper {txt paths} {
2328        global file_states current_diff
2329
2330        if {![lock_index begin-update]} return
2331
2332        set pathList [list]
2333        set after {}
2334        foreach path $paths {
2335                switch -glob -- [lindex $file_states($path) 0] {
2336                AM -
2337                AD -
2338                MM -
2339                MD -
2340                U? -
2341                _M -
2342                _D -
2343                _O {
2344                        lappend pathList $path
2345                        if {$path eq $current_diff} {
2346                                set after {reshow_diff;}
2347                        }
2348                }
2349                }
2350        }
2351        if {$pathList eq {}} {
2352                unlock_index
2353        } else {
2354                update_index \
2355                        $txt \
2356                        $pathList \
2357                        [concat $after {set ui_status_value {Ready to commit.}}]
2358        }
2359}
2360
2361proc do_add_selection {} {
2362        global current_diff selected_paths
2363
2364        if {[array size selected_paths] > 0} {
2365                add_helper \
2366                        {Adding selected files} \
2367                        [array names selected_paths]
2368        } elseif {$current_diff ne {}} {
2369                add_helper \
2370                        "Adding [short_path $current_diff]" \
2371                        [list $current_diff]
2372        }
2373}
2374
2375proc do_add_all {} {
2376        global file_states
2377
2378        set paths [list]
2379        foreach path [array names file_states] {
2380                switch -- [lindex $file_states($path) 0] {
2381                AM -
2382                AD -
2383                MM -
2384                MD -
2385                _M -
2386                _D {lappend paths $path}
2387                }
2388        }
2389        add_helper \
2390                {Adding all modified files} \
2391                $paths
2392}
2393
2394proc revert_helper {txt paths} {
2395        global file_states current_diff
2396
2397        if {![lock_index begin-update]} return
2398
2399        set pathList [list]
2400        set after {}
2401        foreach path $paths {
2402                switch -glob -- [lindex $file_states($path) 0] {
2403                U? {continue}
2404                ?M -
2405                ?D {
2406                        lappend pathList $path
2407                        if {$path eq $current_diff} {
2408                                set after {reshow_diff;}
2409                        }
2410                }
2411                }
2412        }
2413
2414        set n [llength $pathList]
2415        if {$n == 0} {
2416                unlock_index
2417                return
2418        } elseif {$n == 1} {
2419                set s "[short_path [lindex $pathList]]"
2420        } else {
2421                set s "these $n files"
2422        }
2423
2424        set reply [tk_dialog \
2425                .confirm_revert \
2426                "[appname] ([reponame])" \
2427                "Revert changes in $s?
2428
2429Any unadded changes will be permanently lost by the revert." \
2430                question \
2431                1 \
2432                {Do Nothing} \
2433                {Revert Changes} \
2434                ]
2435        if {$reply == 1} {
2436                checkout_index \
2437                        $txt \
2438                        $pathList \
2439                        [concat $after {set ui_status_value {Ready.}}]
2440        } else {
2441                unlock_index
2442        }
2443}
2444
2445proc do_revert_selection {} {
2446        global current_diff selected_paths
2447
2448        if {[array size selected_paths] > 0} {
2449                revert_helper \
2450                        {Reverting selected files} \
2451                        [array names selected_paths]
2452        } elseif {$current_diff ne {}} {
2453                revert_helper \
2454                        "Reverting [short_path $current_diff]" \
2455                        [list $current_diff]
2456        }
2457}
2458
2459proc do_signoff {} {
2460        global ui_comm
2461
2462        set me [committer_ident]
2463        if {$me eq {}} return
2464
2465        set sob "Signed-off-by: $me"
2466        set last [$ui_comm get {end -1c linestart} {end -1c}]
2467        if {$last ne $sob} {
2468                $ui_comm edit separator
2469                if {$last ne {}
2470                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2471                        $ui_comm insert end "\n"
2472                }
2473                $ui_comm insert end "\n$sob"
2474                $ui_comm edit separator
2475                $ui_comm see end
2476        }
2477}
2478
2479proc do_select_commit_type {} {
2480        global commit_type selected_commit_type
2481
2482        if {$selected_commit_type eq {new}
2483                && [string match amend* $commit_type]} {
2484                create_new_commit
2485        } elseif {$selected_commit_type eq {amend}
2486                && ![string match amend* $commit_type]} {
2487                load_last_commit
2488
2489                # The amend request was rejected...
2490                #
2491                if {![string match amend* $commit_type]} {
2492                        set selected_commit_type new
2493                }
2494        }
2495}
2496
2497proc do_commit {} {
2498        commit_tree
2499}
2500
2501proc do_about {} {
2502        global appvers copyright
2503        global tcl_patchLevel tk_patchLevel
2504
2505        set w .about_dialog
2506        toplevel $w
2507        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2508
2509        label $w.header -text "About [appname]" \
2510                -font font_uibold
2511        pack $w.header -side top -fill x
2512
2513        frame $w.buttons
2514        button $w.buttons.close -text {Close} \
2515                -font font_ui \
2516                -command [list destroy $w]
2517        pack $w.buttons.close -side right
2518        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2519
2520        label $w.desc \
2521                -text "[appname] - a commit creation tool for Git.
2522$copyright" \
2523                -padx 5 -pady 5 \
2524                -justify left \
2525                -anchor w \
2526                -borderwidth 1 \
2527                -relief solid \
2528                -font font_ui
2529        pack $w.desc -side top -fill x -padx 5 -pady 5
2530
2531        set v {}
2532        append v "[appname] version $appvers\n"
2533        append v "[exec git version]\n"
2534        append v "\n"
2535        if {$tcl_patchLevel eq $tk_patchLevel} {
2536                append v "Tcl/Tk version $tcl_patchLevel"
2537        } else {
2538                append v "Tcl version $tcl_patchLevel"
2539                append v ", Tk version $tk_patchLevel"
2540        }
2541
2542        label $w.vers \
2543                -text $v \
2544                -padx 5 -pady 5 \
2545                -justify left \
2546                -anchor w \
2547                -borderwidth 1 \
2548                -relief solid \
2549                -font font_ui
2550        pack $w.vers -side top -fill x -padx 5 -pady 5
2551
2552        menu $w.ctxm -tearoff 0
2553        $w.ctxm add command \
2554                -label {Copy} \
2555                -font font_ui \
2556                -command "
2557                clipboard clear
2558                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2559        "
2560
2561        bind $w <Visibility> "grab $w; focus $w"
2562        bind $w <Key-Escape> "destroy $w"
2563        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2564        wm title $w "About [appname]"
2565        tkwait window $w
2566}
2567
2568proc do_options {} {
2569        global repo_config global_config font_descs
2570        global repo_config_new global_config_new
2571
2572        array unset repo_config_new
2573        array unset global_config_new
2574        foreach name [array names repo_config] {
2575                set repo_config_new($name) $repo_config($name)
2576        }
2577        load_config 1
2578        foreach name [array names repo_config] {
2579                switch -- $name {
2580                gui.diffcontext {continue}
2581                }
2582                set repo_config_new($name) $repo_config($name)
2583        }
2584        foreach name [array names global_config] {
2585                set global_config_new($name) $global_config($name)
2586        }
2587
2588        set w .options_editor
2589        toplevel $w
2590        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2591
2592        label $w.header -text "[appname] Options" \
2593                -font font_uibold
2594        pack $w.header -side top -fill x
2595
2596        frame $w.buttons
2597        button $w.buttons.restore -text {Restore Defaults} \
2598                -font font_ui \
2599                -command do_restore_defaults
2600        pack $w.buttons.restore -side left
2601        button $w.buttons.save -text Save \
2602                -font font_ui \
2603                -command [list do_save_config $w]
2604        pack $w.buttons.save -side right
2605        button $w.buttons.cancel -text {Cancel} \
2606                -font font_ui \
2607                -command [list destroy $w]
2608        pack $w.buttons.cancel -side right
2609        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2610
2611        labelframe $w.repo -text "[reponame] Repository" \
2612                -font font_ui \
2613                -relief raised -borderwidth 2
2614        labelframe $w.global -text {Global (All Repositories)} \
2615                -font font_ui \
2616                -relief raised -borderwidth 2
2617        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2618        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2619
2620        foreach option {
2621                {b partialinclude {Allow Partially Added Files}}
2622                {b pullsummary {Show Pull Summary}}
2623                {b trustmtime  {Trust File Modification Timestamps}}
2624                {i diffcontext {Number of Diff Context Lines}}
2625                } {
2626                set type [lindex $option 0]
2627                set name [lindex $option 1]
2628                set text [lindex $option 2]
2629                foreach f {repo global} {
2630                        switch $type {
2631                        b {
2632                                checkbutton $w.$f.$name -text $text \
2633                                        -variable ${f}_config_new(gui.$name) \
2634                                        -onvalue true \
2635                                        -offvalue false \
2636                                        -font font_ui
2637                                pack $w.$f.$name -side top -anchor w
2638                        }
2639                        i {
2640                                frame $w.$f.$name
2641                                label $w.$f.$name.l -text "$text:" -font font_ui
2642                                pack $w.$f.$name.l -side left -anchor w -fill x
2643                                spinbox $w.$f.$name.v \
2644                                        -textvariable ${f}_config_new(gui.$name) \
2645                                        -from 1 -to 99 -increment 1 \
2646                                        -width 3 \
2647                                        -font font_ui
2648                                pack $w.$f.$name.v -side right -anchor e
2649                                pack $w.$f.$name -side top -anchor w -fill x
2650                        }
2651                        }
2652                }
2653        }
2654
2655        set all_fonts [lsort [font families]]
2656        foreach option $font_descs {
2657                set name [lindex $option 0]
2658                set font [lindex $option 1]
2659                set text [lindex $option 2]
2660
2661                set global_config_new(gui.$font^^family) \
2662                        [font configure $font -family]
2663                set global_config_new(gui.$font^^size) \
2664                        [font configure $font -size]
2665
2666                frame $w.global.$name
2667                label $w.global.$name.l -text "$text:" -font font_ui
2668                pack $w.global.$name.l -side left -anchor w -fill x
2669                eval tk_optionMenu $w.global.$name.family \
2670                        global_config_new(gui.$font^^family) \
2671                        $all_fonts
2672                spinbox $w.global.$name.size \
2673                        -textvariable global_config_new(gui.$font^^size) \
2674                        -from 2 -to 80 -increment 1 \
2675                        -width 3 \
2676                        -font font_ui
2677                pack $w.global.$name.size -side right -anchor e
2678                pack $w.global.$name.family -side right -anchor e
2679                pack $w.global.$name -side top -anchor w -fill x
2680        }
2681
2682        bind $w <Visibility> "grab $w; focus $w"
2683        bind $w <Key-Escape> "destroy $w"
2684        wm title $w "[appname] ([reponame]): Options"
2685        tkwait window $w
2686}
2687
2688proc do_restore_defaults {} {
2689        global font_descs default_config repo_config
2690        global repo_config_new global_config_new
2691
2692        foreach name [array names default_config] {
2693                set repo_config_new($name) $default_config($name)
2694                set global_config_new($name) $default_config($name)
2695        }
2696
2697        foreach option $font_descs {
2698                set name [lindex $option 0]
2699                set repo_config(gui.$name) $default_config(gui.$name)
2700        }
2701        apply_config
2702
2703        foreach option $font_descs {
2704                set name [lindex $option 0]
2705                set font [lindex $option 1]
2706                set global_config_new(gui.$font^^family) \
2707                        [font configure $font -family]
2708                set global_config_new(gui.$font^^size) \
2709                        [font configure $font -size]
2710        }
2711}
2712
2713proc do_save_config {w} {
2714        if {[catch {save_config} err]} {
2715                error_popup "Failed to completely save options:\n\n$err"
2716        }
2717        reshow_diff
2718        destroy $w
2719}
2720
2721proc do_windows_shortcut {} {
2722        global argv0
2723
2724        if {[catch {
2725                set desktop [exec cygpath \
2726                        --windows \
2727                        --absolute \
2728                        --long-name \
2729                        --desktop]
2730                }]} {
2731                        set desktop .
2732        }
2733        set fn [tk_getSaveFile \
2734                -parent . \
2735                -title "[appname] ([reponame]): Create Desktop Icon" \
2736                -initialdir $desktop \
2737                -initialfile "Git [reponame].bat"]
2738        if {$fn != {}} {
2739                if {[catch {
2740                                set fd [open $fn w]
2741                                set sh [exec cygpath \
2742                                        --windows \
2743                                        --absolute \
2744                                        /bin/sh]
2745                                set me [exec cygpath \
2746                                        --unix \
2747                                        --absolute \
2748                                        $argv0]
2749                                set gd [exec cygpath \
2750                                        --unix \
2751                                        --absolute \
2752                                        [gitdir]]
2753                                set gw [exec cygpath \
2754                                        --windows \
2755                                        --absolute \
2756                                        [file dirname [gitdir]]]
2757                                regsub -all ' $me "'\\''" me
2758                                regsub -all ' $gd "'\\''" gd
2759                                puts $fd "@ECHO Entering $gw"
2760                                puts $fd "@ECHO Starting git-gui... please wait..."
2761                                puts -nonewline $fd "@\"$sh\" --login -c \""
2762                                puts -nonewline $fd "GIT_DIR='$gd'"
2763                                puts -nonewline $fd " '$me'"
2764                                puts $fd "&\""
2765                                close $fd
2766                        } err]} {
2767                        error_popup "Cannot write script:\n\n$err"
2768                }
2769        }
2770}
2771
2772proc do_macosx_app {} {
2773        global argv0 env
2774
2775        set fn [tk_getSaveFile \
2776                -parent . \
2777                -title "[appname] ([reponame]): Create Desktop Icon" \
2778                -initialdir [file join $env(HOME) Desktop] \
2779                -initialfile "Git [reponame].app"]
2780        if {$fn != {}} {
2781                if {[catch {
2782                                set Contents [file join $fn Contents]
2783                                set MacOS [file join $Contents MacOS]
2784                                set exe [file join $MacOS git-gui]
2785
2786                                file mkdir $MacOS
2787
2788                                set fd [open [file join $Contents Info.plist] w]
2789                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
2790<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
2791<plist version="1.0">
2792<dict>
2793        <key>CFBundleDevelopmentRegion</key>
2794        <string>English</string>
2795        <key>CFBundleExecutable</key>
2796        <string>git-gui</string>
2797        <key>CFBundleIdentifier</key>
2798        <string>org.spearce.git-gui</string>
2799        <key>CFBundleInfoDictionaryVersion</key>
2800        <string>6.0</string>
2801        <key>CFBundlePackageType</key>
2802        <string>APPL</string>
2803        <key>CFBundleSignature</key>
2804        <string>????</string>
2805        <key>CFBundleVersion</key>
2806        <string>1.0</string>
2807        <key>NSPrincipalClass</key>
2808        <string>NSApplication</string>
2809</dict>
2810</plist>}
2811                                close $fd
2812
2813                                set fd [open $exe w]
2814                                set gd [file normalize [gitdir]]
2815                                set ep [file normalize [exec git --exec-path]]
2816                                regsub -all ' $gd "'\\''" gd
2817                                regsub -all ' $ep "'\\''" ep
2818                                puts $fd "#!/bin/sh"
2819                                foreach name [array names env] {
2820                                        if {[string match GIT_* $name]} {
2821                                                regsub -all ' $env($name) "'\\''" v
2822                                                puts $fd "export $name='$v'"
2823                                        }
2824                                }
2825                                puts $fd "export PATH='$ep':\$PATH"
2826                                puts $fd "export GIT_DIR='$gd'"
2827                                puts $fd "exec [file normalize $argv0]"
2828                                close $fd
2829
2830                                file attributes $exe -permissions u+x,g+x,o+x
2831                        } err]} {
2832                        error_popup "Cannot write icon:\n\n$err"
2833                }
2834        }
2835}
2836
2837proc toggle_or_diff {w x y} {
2838        global file_states file_lists current_diff ui_index ui_workdir
2839        global last_clicked selected_paths
2840
2841        set pos [split [$w index @$x,$y] .]
2842        set lno [lindex $pos 0]
2843        set col [lindex $pos 1]
2844        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2845        if {$path eq {}} {
2846                set last_clicked {}
2847                return
2848        }
2849
2850        set last_clicked [list $w $lno]
2851        array unset selected_paths
2852        $ui_index tag remove in_sel 0.0 end
2853        $ui_workdir tag remove in_sel 0.0 end
2854
2855        if {$col == 0} {
2856                if {$current_diff eq $path} {
2857                        set after {reshow_diff;}
2858                } else {
2859                        set after {}
2860                }
2861                if {$w eq $ui_index} {
2862                        update_indexinfo \
2863                                "Unstaging [short_path $path] from commit" \
2864                                [list $path] \
2865                                [concat $after {set ui_status_value {Ready.}}]
2866                } elseif {$w eq $ui_workdir} {
2867                        update_index \
2868                                "Adding [short_path $path]" \
2869                                [list $path] \
2870                                [concat $after {set ui_status_value {Ready.}}]
2871                }
2872        } else {
2873                show_diff $path $w $lno
2874        }
2875}
2876
2877proc add_one_to_selection {w x y} {
2878        global file_lists
2879        global last_clicked selected_paths
2880
2881        set pos [split [$w index @$x,$y] .]
2882        set lno [lindex $pos 0]
2883        set col [lindex $pos 1]
2884        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2885        if {$path eq {}} {
2886                set last_clicked {}
2887                return
2888        }
2889
2890        set last_clicked [list $w $lno]
2891        if {[catch {set in_sel $selected_paths($path)}]} {
2892                set in_sel 0
2893        }
2894        if {$in_sel} {
2895                unset selected_paths($path)
2896                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2897        } else {
2898                set selected_paths($path) 1
2899                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2900        }
2901}
2902
2903proc add_range_to_selection {w x y} {
2904        global file_lists
2905        global last_clicked selected_paths
2906
2907        if {[lindex $last_clicked 0] ne $w} {
2908                toggle_or_diff $w $x $y
2909                return
2910        }
2911
2912        set pos [split [$w index @$x,$y] .]
2913        set lno [lindex $pos 0]
2914        set lc [lindex $last_clicked 1]
2915        if {$lc < $lno} {
2916                set begin $lc
2917                set end $lno
2918        } else {
2919                set begin $lno
2920                set end $lc
2921        }
2922
2923        foreach path [lrange $file_lists($w) \
2924                [expr {$begin - 1}] \
2925                [expr {$end - 1}]] {
2926                set selected_paths($path) 1
2927        }
2928        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2929}
2930
2931######################################################################
2932##
2933## config defaults
2934
2935set cursor_ptr arrow
2936font create font_diff -family Courier -size 10
2937font create font_ui
2938catch {
2939        label .dummy
2940        eval font configure font_ui [font actual [.dummy cget -font]]
2941        destroy .dummy
2942}
2943
2944font create font_uibold
2945font create font_diffbold
2946
2947if {[is_Windows]} {
2948        set M1B Control
2949        set M1T Ctrl
2950} elseif {[is_MacOSX]} {
2951        set M1B M1
2952        set M1T Cmd
2953} else {
2954        set M1B M1
2955        set M1T M1
2956}
2957
2958proc apply_config {} {
2959        global repo_config font_descs
2960
2961        foreach option $font_descs {
2962                set name [lindex $option 0]
2963                set font [lindex $option 1]
2964                if {[catch {
2965                        foreach {cn cv} $repo_config(gui.$name) {
2966                                font configure $font $cn $cv
2967                        }
2968                        } err]} {
2969                        error_popup "Invalid font specified in gui.$name:\n\n$err"
2970                }
2971                foreach {cn cv} [font configure $font] {
2972                        font configure ${font}bold $cn $cv
2973                }
2974                font configure ${font}bold -weight bold
2975        }
2976}
2977
2978set default_config(gui.trustmtime) false
2979set default_config(gui.pullsummary) true
2980set default_config(gui.partialinclude) false
2981set default_config(gui.diffcontext) 5
2982set default_config(gui.fontui) [font configure font_ui]
2983set default_config(gui.fontdiff) [font configure font_diff]
2984set font_descs {
2985        {fontui   font_ui   {Main Font}}
2986        {fontdiff font_diff {Diff/Console Font}}
2987}
2988load_config 0
2989apply_config
2990
2991######################################################################
2992##
2993## ui construction
2994
2995# -- Menu Bar
2996#
2997menu .mbar -tearoff 0
2998.mbar add cascade -label Repository -menu .mbar.repository
2999.mbar add cascade -label Edit -menu .mbar.edit
3000if {!$single_commit} {
3001        .mbar add cascade -label Branch -menu .mbar.branch
3002}
3003.mbar add cascade -label Commit -menu .mbar.commit
3004if {!$single_commit} {
3005        .mbar add cascade -label Fetch -menu .mbar.fetch
3006        .mbar add cascade -label Pull -menu .mbar.pull
3007        .mbar add cascade -label Push -menu .mbar.push
3008}
3009. configure -menu .mbar
3010
3011# -- Repository Menu
3012#
3013menu .mbar.repository
3014.mbar.repository add command \
3015        -label {Visualize Current Branch} \
3016        -command {do_gitk {}} \
3017        -font font_ui
3018if {![is_MacOSX]} {
3019        .mbar.repository add command \
3020                -label {Visualize All Branches} \
3021                -command {do_gitk {--all}} \
3022                -font font_ui
3023}
3024.mbar.repository add separator
3025
3026if {!$single_commit} {
3027        .mbar.repository add command -label {Compress Database} \
3028                -command do_gc \
3029                -font font_ui
3030
3031        .mbar.repository add command -label {Verify Database} \
3032                -command do_fsck_objects \
3033                -font font_ui
3034
3035        .mbar.repository add separator
3036
3037        if {[is_Windows]} {
3038                .mbar.repository add command \
3039                        -label {Create Desktop Icon} \
3040                        -command do_windows_shortcut \
3041                        -font font_ui
3042        } elseif {[is_MacOSX]} {
3043                .mbar.repository add command \
3044                        -label {Create Desktop Icon} \
3045                        -command do_macosx_app \
3046                        -font font_ui
3047        }
3048}
3049
3050.mbar.repository add command -label Quit \
3051        -command do_quit \
3052        -accelerator $M1T-Q \
3053        -font font_ui
3054
3055# -- Edit Menu
3056#
3057menu .mbar.edit
3058.mbar.edit add command -label Undo \
3059        -command {catch {[focus] edit undo}} \
3060        -accelerator $M1T-Z \
3061        -font font_ui
3062.mbar.edit add command -label Redo \
3063        -command {catch {[focus] edit redo}} \
3064        -accelerator $M1T-Y \
3065        -font font_ui
3066.mbar.edit add separator
3067.mbar.edit add command -label Cut \
3068        -command {catch {tk_textCut [focus]}} \
3069        -accelerator $M1T-X \
3070        -font font_ui
3071.mbar.edit add command -label Copy \
3072        -command {catch {tk_textCopy [focus]}} \
3073        -accelerator $M1T-C \
3074        -font font_ui
3075.mbar.edit add command -label Paste \
3076        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3077        -accelerator $M1T-V \
3078        -font font_ui
3079.mbar.edit add command -label Delete \
3080        -command {catch {[focus] delete sel.first sel.last}} \
3081        -accelerator Del \
3082        -font font_ui
3083.mbar.edit add separator
3084.mbar.edit add command -label {Select All} \
3085        -command {catch {[focus] tag add sel 0.0 end}} \
3086        -accelerator $M1T-A \
3087        -font font_ui
3088
3089# -- Branch Menu
3090#
3091if {!$single_commit} {
3092        menu .mbar.branch
3093
3094        .mbar.branch add command -label {Create...} \
3095                -command do_create_branch \
3096                -font font_ui
3097        lappend disable_on_lock [list .mbar.branch entryconf \
3098                [.mbar.branch index last] -state]
3099
3100        .mbar.branch add command -label {Delete...} \
3101                -command do_delete_branch \
3102                -font font_ui
3103        lappend disable_on_lock [list .mbar.branch entryconf \
3104                [.mbar.branch index last] -state]
3105}
3106
3107# -- Commit Menu
3108#
3109menu .mbar.commit
3110
3111.mbar.commit add radiobutton \
3112        -label {New Commit} \
3113        -command do_select_commit_type \
3114        -variable selected_commit_type \
3115        -value new \
3116        -font font_ui
3117lappend disable_on_lock \
3118        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3119
3120.mbar.commit add radiobutton \
3121        -label {Amend Last Commit} \
3122        -command do_select_commit_type \
3123        -variable selected_commit_type \
3124        -value amend \
3125        -font font_ui
3126lappend disable_on_lock \
3127        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3128
3129.mbar.commit add separator
3130
3131.mbar.commit add command -label Rescan \
3132        -command do_rescan \
3133        -accelerator F5 \
3134        -font font_ui
3135lappend disable_on_lock \
3136        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3137
3138.mbar.commit add command -label {Add To Commit} \
3139        -command do_add_selection \
3140        -font font_ui
3141lappend disable_on_lock \
3142        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3143
3144.mbar.commit add command -label {Add All To Commit} \
3145        -command do_add_all \
3146        -accelerator $M1T-I \
3147        -font font_ui
3148lappend disable_on_lock \
3149        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3150
3151.mbar.commit add command -label {Unstage From Commit} \
3152        -command do_unstage_selection \
3153        -font font_ui
3154lappend disable_on_lock \
3155        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3156
3157.mbar.commit add command -label {Revert Changes} \
3158        -command do_revert_selection \
3159        -font font_ui
3160lappend disable_on_lock \
3161        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3162
3163.mbar.commit add separator
3164
3165.mbar.commit add command -label {Sign Off} \
3166        -command do_signoff \
3167        -accelerator $M1T-S \
3168        -font font_ui
3169
3170.mbar.commit add command -label Commit \
3171        -command do_commit \
3172        -accelerator $M1T-Return \
3173        -font font_ui
3174lappend disable_on_lock \
3175        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3176
3177# -- Transport menus
3178#
3179if {!$single_commit} {
3180        menu .mbar.fetch
3181        menu .mbar.pull
3182        menu .mbar.push
3183}
3184
3185if {[is_MacOSX]} {
3186        # -- Apple Menu (Mac OS X only)
3187        #
3188        .mbar add cascade -label Apple -menu .mbar.apple
3189        menu .mbar.apple
3190
3191        .mbar.apple add command -label "About [appname]" \
3192                -command do_about \
3193                -font font_ui
3194        .mbar.apple add command -label "[appname] Options..." \
3195                -command do_options \
3196                -font font_ui
3197} else {
3198        # -- Edit Menu
3199        #
3200        .mbar.edit add separator
3201        .mbar.edit add command -label {Options...} \
3202                -command do_options \
3203                -font font_ui
3204
3205        # -- Tools Menu
3206        #
3207        if {[file exists /usr/local/miga/lib/gui-miga]
3208                && [file exists .pvcsrc]} {
3209        proc do_miga {} {
3210                global ui_status_value
3211                if {![lock_index update]} return
3212                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3213                set miga_fd [open "|$cmd" r]
3214                fconfigure $miga_fd -blocking 0
3215                fileevent $miga_fd readable [list miga_done $miga_fd]
3216                set ui_status_value {Running miga...}
3217        }
3218        proc miga_done {fd} {
3219                read $fd 512
3220                if {[eof $fd]} {
3221                        close $fd
3222                        unlock_index
3223                        rescan [list set ui_status_value {Ready.}]
3224                }
3225        }
3226        .mbar add cascade -label Tools -menu .mbar.tools
3227        menu .mbar.tools
3228        .mbar.tools add command -label "Migrate" \
3229                -command do_miga \
3230                -font font_ui
3231        lappend disable_on_lock \
3232                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3233        }
3234
3235        # -- Help Menu
3236        #
3237        .mbar add cascade -label Help -menu .mbar.help
3238        menu .mbar.help
3239
3240        .mbar.help add command -label "About [appname]" \
3241                -command do_about \
3242                -font font_ui
3243}
3244
3245
3246# -- Branch Control
3247#
3248frame .branch \
3249        -borderwidth 1 \
3250        -relief sunken
3251label .branch.l1 \
3252        -text {Current Branch:} \
3253        -anchor w \
3254        -justify left \
3255        -font font_ui
3256label .branch.cb \
3257        -textvariable current_branch \
3258        -anchor w \
3259        -justify left \
3260        -font font_ui
3261pack .branch.l1 -side left
3262pack .branch.cb -side left -fill x
3263pack .branch -side top -fill x
3264
3265# -- Main Window Layout
3266#
3267panedwindow .vpane -orient vertical
3268panedwindow .vpane.files -orient horizontal
3269.vpane add .vpane.files -sticky nsew -height 100 -width 400
3270pack .vpane -anchor n -side top -fill both -expand 1
3271
3272# -- Index File List
3273#
3274frame .vpane.files.index -height 100 -width 400
3275label .vpane.files.index.title -text {Changes To Be Committed} \
3276        -background green \
3277        -font font_ui
3278text $ui_index -background white -borderwidth 0 \
3279        -width 40 -height 10 \
3280        -font font_ui \
3281        -cursor $cursor_ptr \
3282        -yscrollcommand {.vpane.files.index.sb set} \
3283        -state disabled
3284scrollbar .vpane.files.index.sb -command [list $ui_index yview]
3285pack .vpane.files.index.title -side top -fill x
3286pack .vpane.files.index.sb -side right -fill y
3287pack $ui_index -side left -fill both -expand 1
3288.vpane.files add .vpane.files.index -sticky nsew
3289
3290# -- Working Directory File List
3291#
3292frame .vpane.files.workdir -height 100 -width 100
3293label .vpane.files.workdir.title -text {Changed But Not Updated} \
3294        -background red \
3295        -font font_ui
3296text $ui_workdir -background white -borderwidth 0 \
3297        -width 40 -height 10 \
3298        -font font_ui \
3299        -cursor $cursor_ptr \
3300        -yscrollcommand {.vpane.files.workdir.sb set} \
3301        -state disabled
3302scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
3303pack .vpane.files.workdir.title -side top -fill x
3304pack .vpane.files.workdir.sb -side right -fill y
3305pack $ui_workdir -side left -fill both -expand 1
3306.vpane.files add .vpane.files.workdir -sticky nsew
3307
3308foreach i [list $ui_index $ui_workdir] {
3309        $i tag conf in_diff -font font_uibold
3310        $i tag conf in_sel \
3311                -background [$i cget -foreground] \
3312                -foreground [$i cget -background]
3313}
3314unset i
3315
3316# -- Diff and Commit Area
3317#
3318frame .vpane.lower -height 300 -width 400
3319frame .vpane.lower.commarea
3320frame .vpane.lower.diff -relief sunken -borderwidth 1
3321pack .vpane.lower.commarea -side top -fill x
3322pack .vpane.lower.diff -side bottom -fill both -expand 1
3323.vpane add .vpane.lower -stick nsew
3324
3325# -- Commit Area Buttons
3326#
3327frame .vpane.lower.commarea.buttons
3328label .vpane.lower.commarea.buttons.l -text {} \
3329        -anchor w \
3330        -justify left \
3331        -font font_ui
3332pack .vpane.lower.commarea.buttons.l -side top -fill x
3333pack .vpane.lower.commarea.buttons -side left -fill y
3334
3335button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3336        -command do_rescan \
3337        -font font_ui
3338pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3339lappend disable_on_lock \
3340        {.vpane.lower.commarea.buttons.rescan conf -state}
3341
3342button .vpane.lower.commarea.buttons.incall -text {Add All} \
3343        -command do_add_all \
3344        -font font_ui
3345pack .vpane.lower.commarea.buttons.incall -side top -fill x
3346lappend disable_on_lock \
3347        {.vpane.lower.commarea.buttons.incall conf -state}
3348
3349button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3350        -command do_signoff \
3351        -font font_ui
3352pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3353
3354button .vpane.lower.commarea.buttons.commit -text {Commit} \
3355        -command do_commit \
3356        -font font_ui
3357pack .vpane.lower.commarea.buttons.commit -side top -fill x
3358lappend disable_on_lock \
3359        {.vpane.lower.commarea.buttons.commit conf -state}
3360
3361# -- Commit Message Buffer
3362#
3363frame .vpane.lower.commarea.buffer
3364frame .vpane.lower.commarea.buffer.header
3365set ui_comm .vpane.lower.commarea.buffer.t
3366set ui_coml .vpane.lower.commarea.buffer.header.l
3367radiobutton .vpane.lower.commarea.buffer.header.new \
3368        -text {New Commit} \
3369        -command do_select_commit_type \
3370        -variable selected_commit_type \
3371        -value new \
3372        -font font_ui
3373lappend disable_on_lock \
3374        [list .vpane.lower.commarea.buffer.header.new conf -state]
3375radiobutton .vpane.lower.commarea.buffer.header.amend \
3376        -text {Amend Last Commit} \
3377        -command do_select_commit_type \
3378        -variable selected_commit_type \
3379        -value amend \
3380        -font font_ui
3381lappend disable_on_lock \
3382        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3383label $ui_coml \
3384        -anchor w \
3385        -justify left \
3386        -font font_ui
3387proc trace_commit_type {varname args} {
3388        global ui_coml commit_type
3389        switch -glob -- $commit_type {
3390        initial       {set txt {Initial Commit Message:}}
3391        amend         {set txt {Amended Commit Message:}}
3392        amend-initial {set txt {Amended Initial Commit Message:}}
3393        amend-merge   {set txt {Amended Merge Commit Message:}}
3394        merge         {set txt {Merge Commit Message:}}
3395        *             {set txt {Commit Message:}}
3396        }
3397        $ui_coml conf -text $txt
3398}
3399trace add variable commit_type write trace_commit_type
3400pack $ui_coml -side left -fill x
3401pack .vpane.lower.commarea.buffer.header.amend -side right
3402pack .vpane.lower.commarea.buffer.header.new -side right
3403
3404text $ui_comm -background white -borderwidth 1 \
3405        -undo true \
3406        -maxundo 20 \
3407        -autoseparators true \
3408        -relief sunken \
3409        -width 75 -height 9 -wrap none \
3410        -font font_diff \
3411        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3412scrollbar .vpane.lower.commarea.buffer.sby \
3413        -command [list $ui_comm yview]
3414pack .vpane.lower.commarea.buffer.header -side top -fill x
3415pack .vpane.lower.commarea.buffer.sby -side right -fill y
3416pack $ui_comm -side left -fill y
3417pack .vpane.lower.commarea.buffer -side left -fill y
3418
3419# -- Commit Message Buffer Context Menu
3420#
3421set ctxm .vpane.lower.commarea.buffer.ctxm
3422menu $ctxm -tearoff 0
3423$ctxm add command \
3424        -label {Cut} \
3425        -font font_ui \
3426        -command {tk_textCut $ui_comm}
3427$ctxm add command \
3428        -label {Copy} \
3429        -font font_ui \
3430        -command {tk_textCopy $ui_comm}
3431$ctxm add command \
3432        -label {Paste} \
3433        -font font_ui \
3434        -command {tk_textPaste $ui_comm}
3435$ctxm add command \
3436        -label {Delete} \
3437        -font font_ui \
3438        -command {$ui_comm delete sel.first sel.last}
3439$ctxm add separator
3440$ctxm add command \
3441        -label {Select All} \
3442        -font font_ui \
3443        -command {$ui_comm tag add sel 0.0 end}
3444$ctxm add command \
3445        -label {Copy All} \
3446        -font font_ui \
3447        -command {
3448                $ui_comm tag add sel 0.0 end
3449                tk_textCopy $ui_comm
3450                $ui_comm tag remove sel 0.0 end
3451        }
3452$ctxm add separator
3453$ctxm add command \
3454        -label {Sign Off} \
3455        -font font_ui \
3456        -command do_signoff
3457bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3458
3459# -- Diff Header
3460#
3461set current_diff {}
3462set diff_actions [list]
3463proc trace_current_diff {varname args} {
3464        global current_diff diff_actions file_states
3465        if {$current_diff eq {}} {
3466                set s {}
3467                set f {}
3468                set p {}
3469                set o disabled
3470        } else {
3471                set p $current_diff
3472                set s [mapdesc [lindex $file_states($p) 0] $p]
3473                set f {File:}
3474                set p [escape_path $p]
3475                set o normal
3476        }
3477
3478        .vpane.lower.diff.header.status configure -text $s
3479        .vpane.lower.diff.header.file configure -text $f
3480        .vpane.lower.diff.header.path configure -text $p
3481        foreach w $diff_actions {
3482                uplevel #0 $w $o
3483        }
3484}
3485trace add variable current_diff write trace_current_diff
3486
3487frame .vpane.lower.diff.header -background orange
3488label .vpane.lower.diff.header.status \
3489        -background orange \
3490        -width $max_status_desc \
3491        -anchor w \
3492        -justify left \
3493        -font font_ui
3494label .vpane.lower.diff.header.file \
3495        -background orange \
3496        -anchor w \
3497        -justify left \
3498        -font font_ui
3499label .vpane.lower.diff.header.path \
3500        -background orange \
3501        -anchor w \
3502        -justify left \
3503        -font font_ui
3504pack .vpane.lower.diff.header.status -side left
3505pack .vpane.lower.diff.header.file -side left
3506pack .vpane.lower.diff.header.path -fill x
3507set ctxm .vpane.lower.diff.header.ctxm
3508menu $ctxm -tearoff 0
3509$ctxm add command \
3510        -label {Copy} \
3511        -font font_ui \
3512        -command {
3513                clipboard clear
3514                clipboard append \
3515                        -format STRING \
3516                        -type STRING \
3517                        -- $current_diff
3518        }
3519lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3520bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3521
3522# -- Diff Body
3523#
3524frame .vpane.lower.diff.body
3525set ui_diff .vpane.lower.diff.body.t
3526text $ui_diff -background white -borderwidth 0 \
3527        -width 80 -height 15 -wrap none \
3528        -font font_diff \
3529        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3530        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3531        -state disabled
3532scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3533        -command [list $ui_diff xview]
3534scrollbar .vpane.lower.diff.body.sby -orient vertical \
3535        -command [list $ui_diff yview]
3536pack .vpane.lower.diff.body.sbx -side bottom -fill x
3537pack .vpane.lower.diff.body.sby -side right -fill y
3538pack $ui_diff -side left -fill both -expand 1
3539pack .vpane.lower.diff.header -side top -fill x
3540pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3541
3542$ui_diff tag conf d_@ -font font_diffbold
3543$ui_diff tag conf d_+  -foreground blue
3544$ui_diff tag conf d_-  -foreground red
3545$ui_diff tag conf d_++ -foreground {#00a000}
3546$ui_diff tag conf d_-- -foreground {#a000a0}
3547$ui_diff tag conf d_+- \
3548        -foreground red \
3549        -background {light goldenrod yellow}
3550$ui_diff tag conf d_-+ \
3551        -foreground blue \
3552        -background azure2
3553
3554# -- Diff Body Context Menu
3555#
3556set ctxm .vpane.lower.diff.body.ctxm
3557menu $ctxm -tearoff 0
3558$ctxm add command \
3559        -label {Copy} \
3560        -font font_ui \
3561        -command {tk_textCopy $ui_diff}
3562lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3563$ctxm add command \
3564        -label {Select All} \
3565        -font font_ui \
3566        -command {$ui_diff tag add sel 0.0 end}
3567lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3568$ctxm add command \
3569        -label {Copy All} \
3570        -font font_ui \
3571        -command {
3572                $ui_diff tag add sel 0.0 end
3573                tk_textCopy $ui_diff
3574                $ui_diff tag remove sel 0.0 end
3575        }
3576lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3577$ctxm add separator
3578$ctxm add command \
3579        -label {Decrease Font Size} \
3580        -font font_ui \
3581        -command {incr_font_size font_diff -1}
3582lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3583$ctxm add command \
3584        -label {Increase Font Size} \
3585        -font font_ui \
3586        -command {incr_font_size font_diff 1}
3587lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3588$ctxm add separator
3589$ctxm add command \
3590        -label {Show Less Context} \
3591        -font font_ui \
3592        -command {if {$repo_config(gui.diffcontext) >= 2} {
3593                incr repo_config(gui.diffcontext) -1
3594                reshow_diff
3595        }}
3596lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3597$ctxm add command \
3598        -label {Show More Context} \
3599        -font font_ui \
3600        -command {
3601                incr repo_config(gui.diffcontext)
3602                reshow_diff
3603        }
3604lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3605$ctxm add separator
3606$ctxm add command -label {Options...} \
3607        -font font_ui \
3608        -command do_options
3609bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
3610
3611# -- Status Bar
3612#
3613set ui_status_value {Initializing...}
3614label .status -textvariable ui_status_value \
3615        -anchor w \
3616        -justify left \
3617        -borderwidth 1 \
3618        -relief sunken \
3619        -font font_ui
3620pack .status -anchor w -side bottom -fill x
3621
3622# -- Load geometry
3623#
3624catch {
3625set gm $repo_config(gui.geometry)
3626wm geometry . [lindex $gm 0]
3627.vpane sash place 0 \
3628        [lindex [.vpane sash coord 0] 0] \
3629        [lindex $gm 1]
3630.vpane.files sash place 0 \
3631        [lindex $gm 2] \
3632        [lindex [.vpane.files sash coord 0] 1]
3633unset gm
3634}
3635
3636# -- Key Bindings
3637#
3638bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3639bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3640bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3641bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3642bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3643bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3644bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3645bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3646bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3647bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3648bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3649
3650bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3651bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3652bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3653bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3654bind $ui_diff <$M1B-Key-v> {break}
3655bind $ui_diff <$M1B-Key-V> {break}
3656bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3657bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3658bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3659bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3660bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3661bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3662
3663bind .   <Destroy> do_quit
3664bind all <Key-F5> do_rescan
3665bind all <$M1B-Key-r> do_rescan
3666bind all <$M1B-Key-R> do_rescan
3667bind .   <$M1B-Key-s> do_signoff
3668bind .   <$M1B-Key-S> do_signoff
3669bind .   <$M1B-Key-i> do_add_all
3670bind .   <$M1B-Key-I> do_add_all
3671bind .   <$M1B-Key-Return> do_commit
3672bind all <$M1B-Key-q> do_quit
3673bind all <$M1B-Key-Q> do_quit
3674bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3675bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3676foreach i [list $ui_index $ui_workdir] {
3677        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3678        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3679        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3680}
3681unset i
3682
3683set file_lists($ui_index) [list]
3684set file_lists($ui_workdir) [list]
3685
3686set HEAD {}
3687set PARENT {}
3688set MERGE_HEAD [list]
3689set commit_type {}
3690set empty_tree {}
3691set current_branch {}
3692set current_diff {}
3693set selected_commit_type new
3694
3695wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
3696focus -force $ui_comm
3697
3698# -- Warn the user about environmental problems.  Cygwin's Tcl
3699#    does *not* pass its env array onto any processes it spawns.
3700#    This means that git processes get none of our environment.
3701#
3702if {[is_Windows]} {
3703        set ignored_env 0
3704        set suggest_user {}
3705        set msg "Possible environment issues exist.
3706
3707The following environment variables are probably
3708going to be ignored by any Git subprocess run
3709by [appname]:
3710
3711"
3712        foreach name [array names env] {
3713                switch -regexp -- $name {
3714                {^GIT_INDEX_FILE$} -
3715                {^GIT_OBJECT_DIRECTORY$} -
3716                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3717                {^GIT_DIFF_OPTS$} -
3718                {^GIT_EXTERNAL_DIFF$} -
3719                {^GIT_PAGER$} -
3720                {^GIT_TRACE$} -
3721                {^GIT_CONFIG$} -
3722                {^GIT_CONFIG_LOCAL$} -
3723                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3724                        append msg " - $name\n"
3725                        incr ignored_env
3726                }
3727                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3728                        append msg " - $name\n"
3729                        incr ignored_env
3730                        set suggest_user $name
3731                }
3732                }
3733        }
3734        if {$ignored_env > 0} {
3735                append msg "
3736This is due to a known issue with the
3737Tcl binary distributed by Cygwin."
3738
3739                if {$suggest_user ne {}} {
3740                        append msg "
3741
3742A good replacement for $suggest_user
3743is placing values for the user.name and
3744user.email settings into your personal
3745~/.gitconfig file.
3746"
3747                }
3748                warn_popup $msg
3749        }
3750        unset ignored_env msg suggest_user name
3751}
3752
3753# -- Only initialize complex UI if we are going to stay running.
3754#
3755if {!$single_commit} {
3756        load_all_remotes
3757        load_all_heads
3758
3759        populate_branch_menu .mbar.branch
3760        populate_fetch_menu .mbar.fetch
3761        populate_pull_menu .mbar.pull
3762        populate_push_menu .mbar.push
3763}
3764
3765# -- Only suggest a gc run if we are going to stay running.
3766#
3767if {!$single_commit} {
3768        set object_limit 2000
3769        if {[is_Windows]} {set object_limit 200}
3770        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
3771        if {$objects_current >= $object_limit} {
3772                if {[ask_popup \
3773                        "This repository currently has $objects_current loose objects.
3774
3775To maintain optimal performance it is strongly
3776recommended that you compress the database
3777when more than $object_limit loose objects exist.
3778
3779Compress the database now?"] eq yes} {
3780                        do_gc
3781                }
3782        }
3783        unset object_limit _junk objects_current
3784}
3785
3786lock_index begin-read
3787after 1 do_rescan