git-gui.shon commit git-gui: Force an update-index --refresh on unchanged files. (46aaf90)
   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 $empty_tree
 336}
 337
 338proc rescan {after {honor_trustmtime 1}} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$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                $ui_comm edit modified false
 367        }
 368
 369        if {$honor_trustmtime && $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        reshow_diff
 528        uplevel #0 $after
 529}
 530
 531proc prune_selection {} {
 532        global file_states selected_paths
 533
 534        foreach path [array names selected_paths] {
 535                if {[catch {set still_here $file_states($path)}]} {
 536                        unset selected_paths($path)
 537                }
 538        }
 539}
 540
 541######################################################################
 542##
 543## diff
 544
 545proc clear_diff {} {
 546        global ui_diff current_diff_path ui_index ui_workdir
 547
 548        $ui_diff conf -state normal
 549        $ui_diff delete 0.0 end
 550        $ui_diff conf -state disabled
 551
 552        set current_diff_path {}
 553
 554        $ui_index tag remove in_diff 0.0 end
 555        $ui_workdir tag remove in_diff 0.0 end
 556}
 557
 558proc reshow_diff {} {
 559        global ui_status_value file_states file_lists
 560        global current_diff_path current_diff_side
 561
 562        set p $current_diff_path
 563        if {$p eq {}
 564                || $current_diff_side eq {}
 565                || [catch {set s $file_states($p)}]
 566                || [lsearch -sorted $file_lists($current_diff_side) $p] == -1} {
 567                clear_diff
 568        } else {
 569                show_diff $p $current_diff_side
 570        }
 571}
 572
 573proc handle_empty_diff {} {
 574        global current_diff_path file_states file_lists
 575
 576        set path $current_diff_path
 577        set s $file_states($path)
 578        if {[lindex $s 0] ne {_M}} return
 579
 580        info_popup "No differences detected.
 581
 582[short_path $path] has no changes.
 583
 584The modification date of this file was updated
 585by another application and you currently have
 586the Trust File Modification Timestamps option
 587enabled, so Git did not automatically detect
 588that there are no content differences in this
 589file."
 590
 591        clear_diff
 592        display_file $path __
 593        rescan {set ui_status_value {Ready.}} 0
 594}
 595
 596proc show_diff {path w {lno {}}} {
 597        global file_states file_lists
 598        global is_3way_diff diff_active repo_config
 599        global ui_diff ui_status_value ui_index ui_workdir
 600        global current_diff_path current_diff_side
 601
 602        if {$diff_active || ![lock_index read]} return
 603
 604        clear_diff
 605        if {$w eq {} || $lno == {}} {
 606                foreach w [array names file_lists] {
 607                        set lno [lsearch -sorted $file_lists($w) $path]
 608                        if {$lno >= 0} {
 609                                incr lno
 610                                break
 611                        }
 612                }
 613        }
 614        if {$w ne {} && $lno >= 1} {
 615                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 616        }
 617
 618        set s $file_states($path)
 619        set m [lindex $s 0]
 620        set is_3way_diff 0
 621        set diff_active 1
 622        set current_diff_path $path
 623        set current_diff_side $w
 624        set ui_status_value "Loading diff of [escape_path $path]..."
 625
 626        # - Git won't give us the diff, there's nothing to compare to!
 627        #
 628        if {$m eq {_O}} {
 629                if {[catch {
 630                                set fd [open $path r]
 631                                set content [read $fd]
 632                                close $fd
 633                        } err ]} {
 634                        set diff_active 0
 635                        unlock_index
 636                        set ui_status_value "Unable to display [escape_path $path]"
 637                        error_popup "Error loading file:\n\n$err"
 638                        return
 639                }
 640                $ui_diff conf -state normal
 641                $ui_diff insert end $content
 642                $ui_diff conf -state disabled
 643                set diff_active 0
 644                unlock_index
 645                set ui_status_value {Ready.}
 646                return
 647        }
 648
 649        set cmd [list | git]
 650        if {$w eq $ui_index} {
 651                lappend cmd diff-index
 652                lappend cmd --cached
 653        } elseif {$w eq $ui_workdir} {
 654                if {[string index $m 0] eq {U}} {
 655                        lappend cmd diff
 656                } else {
 657                        lappend cmd diff-files
 658                }
 659        }
 660
 661        lappend cmd -p
 662        lappend cmd --no-color
 663        if {$repo_config(gui.diffcontext) > 0} {
 664                lappend cmd "-U$repo_config(gui.diffcontext)"
 665        }
 666        if {$w eq $ui_index} {
 667                lappend cmd [PARENT]
 668        }
 669        lappend cmd --
 670        lappend cmd $path
 671
 672        if {[catch {set fd [open $cmd r]} err]} {
 673                set diff_active 0
 674                unlock_index
 675                set ui_status_value "Unable to display [escape_path $path]"
 676                error_popup "Error loading diff:\n\n$err"
 677                return
 678        }
 679
 680        fconfigure $fd -blocking 0 -translation auto
 681        fileevent $fd readable [list read_diff $fd]
 682}
 683
 684proc read_diff {fd} {
 685        global ui_diff ui_status_value is_3way_diff diff_active
 686        global repo_config
 687
 688        $ui_diff conf -state normal
 689        while {[gets $fd line] >= 0} {
 690                # -- Cleanup uninteresting diff header lines.
 691                #
 692                if {[string match {diff --git *}      $line]} continue
 693                if {[string match {diff --cc *}       $line]} continue
 694                if {[string match {diff --combined *} $line]} continue
 695                if {[string match {--- *}             $line]} continue
 696                if {[string match {+++ *}             $line]} continue
 697                if {$line eq {deleted file mode 120000}} {
 698                        set line "deleted symlink"
 699                }
 700
 701                # -- Automatically detect if this is a 3 way diff.
 702                #
 703                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 704
 705                if {[string match {index *} $line]
 706                        || [string match {mode *} $line]
 707                        || [regexp {^\* Unmerged path } $line]} {
 708                        set tags {}
 709                } elseif {$is_3way_diff} {
 710                        set op [string range $line 0 1]
 711                        switch -- $op {
 712                        {  } {set tags {}}
 713                        {@@} {set tags d_@}
 714                        { +} {set tags d_s+}
 715                        { -} {set tags d_s-}
 716                        {+ } {set tags d_+s}
 717                        {- } {set tags d_-s}
 718                        {--} {set tags d_--}
 719                        {++} {
 720                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 721                                        set line [string replace $line 0 1 {  }]
 722                                        set tags d$op
 723                                } else {
 724                                        set tags d_++
 725                                }
 726                        }
 727                        default {
 728                                puts "error: Unhandled 3 way diff marker: {$op}"
 729                                set tags {}
 730                        }
 731                        }
 732                } else {
 733                        set op [string index $line 0]
 734                        switch -- $op {
 735                        { } {set tags {}}
 736                        {@} {set tags d_@}
 737                        {-} {set tags d_-}
 738                        {+} {
 739                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 740                                        set line [string replace $line 0 0 { }]
 741                                        set tags d$op
 742                                } else {
 743                                        set tags d_+
 744                                }
 745                        }
 746                        default {
 747                                puts "error: Unhandled 2 way diff marker: {$op}"
 748                                set tags {}
 749                        }
 750                        }
 751                }
 752                $ui_diff insert end $line $tags
 753                $ui_diff insert end "\n" $tags
 754        }
 755        $ui_diff conf -state disabled
 756
 757        if {[eof $fd]} {
 758                close $fd
 759                set diff_active 0
 760                unlock_index
 761                set ui_status_value {Ready.}
 762
 763                if {$repo_config(gui.trustmtime) eq {true}
 764                        && [$ui_diff index end] eq {2.0}} {
 765                        handle_empty_diff
 766                }
 767        }
 768}
 769
 770######################################################################
 771##
 772## commit
 773
 774proc load_last_commit {} {
 775        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 776
 777        if {[llength $PARENT] == 0} {
 778                error_popup {There is nothing to amend.
 779
 780You are about to create the initial commit.
 781There is no commit before this to amend.
 782}
 783                return
 784        }
 785
 786        repository_state curType curHEAD curMERGE_HEAD
 787        if {$curType eq {merge}} {
 788                error_popup {Cannot amend while merging.
 789
 790You are currently in the middle of a merge that
 791has not been fully completed.  You cannot amend
 792the prior commit unless you first abort the
 793current merge activity.
 794}
 795                return
 796        }
 797
 798        set msg {}
 799        set parents [list]
 800        if {[catch {
 801                        set fd [open "| git cat-file commit $curHEAD" r]
 802                        while {[gets $fd line] > 0} {
 803                                if {[string match {parent *} $line]} {
 804                                        lappend parents [string range $line 7 end]
 805                                }
 806                        }
 807                        set msg [string trim [read $fd]]
 808                        close $fd
 809                } err]} {
 810                error_popup "Error loading commit data for amend:\n\n$err"
 811                return
 812        }
 813
 814        set HEAD $curHEAD
 815        set PARENT $parents
 816        set MERGE_HEAD [list]
 817        switch -- [llength $parents] {
 818        0       {set commit_type amend-initial}
 819        1       {set commit_type amend}
 820        default {set commit_type amend-merge}
 821        }
 822
 823        $ui_comm delete 0.0 end
 824        $ui_comm insert end $msg
 825        $ui_comm edit reset
 826        $ui_comm edit modified false
 827        rescan {set ui_status_value {Ready.}}
 828}
 829
 830proc create_new_commit {} {
 831        global commit_type ui_comm
 832
 833        set commit_type normal
 834        $ui_comm delete 0.0 end
 835        $ui_comm edit reset
 836        $ui_comm edit modified false
 837        rescan {set ui_status_value {Ready.}}
 838}
 839
 840set GIT_COMMITTER_IDENT {}
 841
 842proc committer_ident {} {
 843        global GIT_COMMITTER_IDENT
 844
 845        if {$GIT_COMMITTER_IDENT eq {}} {
 846                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 847                        error_popup "Unable to obtain your identity:\n\n$err"
 848                        return {}
 849                }
 850                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 851                        $me me GIT_COMMITTER_IDENT]} {
 852                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 853                        return {}
 854                }
 855        }
 856
 857        return $GIT_COMMITTER_IDENT
 858}
 859
 860proc commit_tree {} {
 861        global HEAD commit_type file_states ui_comm repo_config
 862        global ui_status_value pch_error
 863
 864        if {![lock_index update]} return
 865        if {[committer_ident] eq {}} return
 866
 867        # -- Our in memory state should match the repository.
 868        #
 869        repository_state curType curHEAD curMERGE_HEAD
 870        if {[string match amend* $commit_type]
 871                && $curType eq {normal}
 872                && $curHEAD eq $HEAD} {
 873        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 874                info_popup {Last scanned state does not match repository state.
 875
 876Another Git program has modified this repository
 877since the last scan.  A rescan must be performed
 878before another commit can be created.
 879
 880The rescan will be automatically started now.
 881}
 882                unlock_index
 883                rescan {set ui_status_value {Ready.}}
 884                return
 885        }
 886
 887        # -- At least one file should differ in the index.
 888        #
 889        set files_ready 0
 890        foreach path [array names file_states] {
 891                switch -glob -- [lindex $file_states($path) 0] {
 892                _? {continue}
 893                A? -
 894                D? -
 895                M? {set files_ready 1}
 896                U? {
 897                        error_popup "Unmerged files cannot be committed.
 898
 899File [short_path $path] has merge conflicts.
 900You must resolve them and add the file before committing.
 901"
 902                        unlock_index
 903                        return
 904                }
 905                default {
 906                        error_popup "Unknown file state [lindex $s 0] detected.
 907
 908File [short_path $path] cannot be committed by this program.
 909"
 910                }
 911                }
 912        }
 913        if {!$files_ready} {
 914                info_popup {No changes to commit.
 915
 916You must add at least 1 file before you can commit.
 917}
 918                unlock_index
 919                return
 920        }
 921
 922        # -- A message is required.
 923        #
 924        set msg [string trim [$ui_comm get 1.0 end]]
 925        if {$msg eq {}} {
 926                error_popup {Please supply a commit message.
 927
 928A good commit message has the following format:
 929
 930- First line: Describe in one sentance what you did.
 931- Second line: Blank
 932- Remaining lines: Describe why this change is good.
 933}
 934                unlock_index
 935                return
 936        }
 937
 938        # -- Run the pre-commit hook.
 939        #
 940        set pchook [gitdir hooks pre-commit]
 941
 942        # On Cygwin [file executable] might lie so we need to ask
 943        # the shell if the hook is executable.  Yes that's annoying.
 944        #
 945        if {[is_Windows] && [file isfile $pchook]} {
 946                set pchook [list sh -c [concat \
 947                        "if test -x \"$pchook\";" \
 948                        "then exec \"$pchook\" 2>&1;" \
 949                        "fi"]]
 950        } elseif {[file executable $pchook]} {
 951                set pchook [list $pchook |& cat]
 952        } else {
 953                commit_writetree $curHEAD $msg
 954                return
 955        }
 956
 957        set ui_status_value {Calling pre-commit hook...}
 958        set pch_error {}
 959        set fd_ph [open "| $pchook" r]
 960        fconfigure $fd_ph -blocking 0 -translation binary
 961        fileevent $fd_ph readable \
 962                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 963}
 964
 965proc commit_prehook_wait {fd_ph curHEAD msg} {
 966        global pch_error ui_status_value
 967
 968        append pch_error [read $fd_ph]
 969        fconfigure $fd_ph -blocking 1
 970        if {[eof $fd_ph]} {
 971                if {[catch {close $fd_ph}]} {
 972                        set ui_status_value {Commit declined by pre-commit hook.}
 973                        hook_failed_popup pre-commit $pch_error
 974                        unlock_index
 975                } else {
 976                        commit_writetree $curHEAD $msg
 977                }
 978                set pch_error {}
 979                return
 980        }
 981        fconfigure $fd_ph -blocking 0
 982}
 983
 984proc commit_writetree {curHEAD msg} {
 985        global ui_status_value
 986
 987        set ui_status_value {Committing changes...}
 988        set fd_wt [open "| git write-tree" r]
 989        fileevent $fd_wt readable \
 990                [list commit_committree $fd_wt $curHEAD $msg]
 991}
 992
 993proc commit_committree {fd_wt curHEAD msg} {
 994        global HEAD PARENT MERGE_HEAD commit_type
 995        global single_commit all_heads current_branch
 996        global ui_status_value ui_comm selected_commit_type
 997        global file_states selected_paths rescan_active
 998
 999        gets $fd_wt tree_id
1000        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1001                error_popup "write-tree failed:\n\n$err"
1002                set ui_status_value {Commit failed.}
1003                unlock_index
1004                return
1005        }
1006
1007        # -- Create the commit.
1008        #
1009        set cmd [list git commit-tree $tree_id]
1010        set parents [concat $PARENT $MERGE_HEAD]
1011        if {[llength $parents] > 0} {
1012                foreach p $parents {
1013                        lappend cmd -p $p
1014                }
1015        } else {
1016                # git commit-tree writes to stderr during initial commit.
1017                lappend cmd 2>/dev/null
1018        }
1019        lappend cmd << $msg
1020        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1021                error_popup "commit-tree failed:\n\n$err"
1022                set ui_status_value {Commit failed.}
1023                unlock_index
1024                return
1025        }
1026
1027        # -- Update the HEAD ref.
1028        #
1029        set reflogm commit
1030        if {$commit_type ne {normal}} {
1031                append reflogm " ($commit_type)"
1032        }
1033        set i [string first "\n" $msg]
1034        if {$i >= 0} {
1035                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1036        } else {
1037                append reflogm {: } $msg
1038        }
1039        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1040        if {[catch {eval exec $cmd} err]} {
1041                error_popup "update-ref failed:\n\n$err"
1042                set ui_status_value {Commit failed.}
1043                unlock_index
1044                return
1045        }
1046
1047        # -- Make sure our current branch exists.
1048        #
1049        if {$commit_type eq {initial}} {
1050                lappend all_heads $current_branch
1051                set all_heads [lsort -unique $all_heads]
1052                populate_branch_menu
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        set o [string index $old_m 0]
1331        set n [string index $new_m 0]
1332        if {$o eq {U}} {
1333                set o _
1334        }
1335        if {$n eq {U}} {
1336                set n _
1337        }
1338        display_file_helper     $ui_index $path $icon_name $o $n
1339
1340        if {[string index $old_m 0] eq {U}} {
1341                set o U
1342        } else {
1343                set o [string index $old_m 1]
1344        }
1345        if {[string index $new_m 0] eq {U}} {
1346                set n U
1347        } else {
1348                set n [string index $new_m 1]
1349        }
1350        display_file_helper     $ui_workdir $path $icon_name $o $n
1351
1352        if {$new_m eq {__}} {
1353                unset file_states($path)
1354                catch {unset selected_paths($path)}
1355        }
1356}
1357
1358proc display_all_files_helper {w path icon_name m} {
1359        global file_lists
1360
1361        lappend file_lists($w) $path
1362        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1363        $w image create end \
1364                -align center -padx 5 -pady 1 \
1365                -name $icon_name \
1366                -image [mapicon $w $m $path]
1367        $w insert end "[escape_path $path]\n"
1368}
1369
1370proc display_all_files {} {
1371        global ui_index ui_workdir
1372        global file_states file_lists
1373        global last_clicked
1374
1375        $ui_index conf -state normal
1376        $ui_workdir conf -state normal
1377
1378        $ui_index delete 0.0 end
1379        $ui_workdir delete 0.0 end
1380        set last_clicked {}
1381
1382        set file_lists($ui_index) [list]
1383        set file_lists($ui_workdir) [list]
1384
1385        foreach path [lsort [array names file_states]] {
1386                set s $file_states($path)
1387                set m [lindex $s 0]
1388                set icon_name [lindex $s 1]
1389
1390                set s [string index $m 0]
1391                if {$s ne {U} && $s ne {_}} {
1392                        display_all_files_helper $ui_index $path \
1393                                $icon_name $s
1394                }
1395
1396                if {[string index $m 0] eq {U}} {
1397                        set s U
1398                } else {
1399                        set s [string index $m 1]
1400                }
1401                if {$s ne {_}} {
1402                        display_all_files_helper $ui_workdir $path \
1403                                $icon_name $s
1404                }
1405        }
1406
1407        $ui_index conf -state disabled
1408        $ui_workdir conf -state disabled
1409}
1410
1411proc update_indexinfo {msg pathList after} {
1412        global update_index_cp ui_status_value
1413
1414        if {![lock_index update]} return
1415
1416        set update_index_cp 0
1417        set pathList [lsort $pathList]
1418        set totalCnt [llength $pathList]
1419        set batch [expr {int($totalCnt * .01) + 1}]
1420        if {$batch > 25} {set batch 25}
1421
1422        set ui_status_value [format \
1423                "$msg... %i/%i files (%.2f%%)" \
1424                $update_index_cp \
1425                $totalCnt \
1426                0.0]
1427        set fd [open "| git update-index -z --index-info" w]
1428        fconfigure $fd \
1429                -blocking 0 \
1430                -buffering full \
1431                -buffersize 512 \
1432                -translation binary
1433        fileevent $fd writable [list \
1434                write_update_indexinfo \
1435                $fd \
1436                $pathList \
1437                $totalCnt \
1438                $batch \
1439                $msg \
1440                $after \
1441                ]
1442}
1443
1444proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1445        global update_index_cp ui_status_value
1446        global file_states current_diff_path
1447
1448        if {$update_index_cp >= $totalCnt} {
1449                close $fd
1450                unlock_index
1451                uplevel #0 $after
1452                return
1453        }
1454
1455        for {set i $batch} \
1456                {$update_index_cp < $totalCnt && $i > 0} \
1457                {incr i -1} {
1458                set path [lindex $pathList $update_index_cp]
1459                incr update_index_cp
1460
1461                set s $file_states($path)
1462                switch -glob -- [lindex $s 0] {
1463                A? {set new _O}
1464                M? {set new _M}
1465                D_ {set new _D}
1466                D? {set new _?}
1467                ?? {continue}
1468                }
1469                set info [lindex $s 2]
1470                if {$info eq {}} continue
1471
1472                puts -nonewline $fd "$info\t$path\0"
1473                display_file $path $new
1474        }
1475
1476        set ui_status_value [format \
1477                "$msg... %i/%i files (%.2f%%)" \
1478                $update_index_cp \
1479                $totalCnt \
1480                [expr {100.0 * $update_index_cp / $totalCnt}]]
1481}
1482
1483proc update_index {msg pathList after} {
1484        global update_index_cp ui_status_value
1485
1486        if {![lock_index update]} return
1487
1488        set update_index_cp 0
1489        set pathList [lsort $pathList]
1490        set totalCnt [llength $pathList]
1491        set batch [expr {int($totalCnt * .01) + 1}]
1492        if {$batch > 25} {set batch 25}
1493
1494        set ui_status_value [format \
1495                "$msg... %i/%i files (%.2f%%)" \
1496                $update_index_cp \
1497                $totalCnt \
1498                0.0]
1499        set fd [open "| git update-index --add --remove -z --stdin" w]
1500        fconfigure $fd \
1501                -blocking 0 \
1502                -buffering full \
1503                -buffersize 512 \
1504                -translation binary
1505        fileevent $fd writable [list \
1506                write_update_index \
1507                $fd \
1508                $pathList \
1509                $totalCnt \
1510                $batch \
1511                $msg \
1512                $after \
1513                ]
1514}
1515
1516proc write_update_index {fd pathList totalCnt batch msg after} {
1517        global update_index_cp ui_status_value
1518        global file_states current_diff_path
1519
1520        if {$update_index_cp >= $totalCnt} {
1521                close $fd
1522                unlock_index
1523                uplevel #0 $after
1524                return
1525        }
1526
1527        for {set i $batch} \
1528                {$update_index_cp < $totalCnt && $i > 0} \
1529                {incr i -1} {
1530                set path [lindex $pathList $update_index_cp]
1531                incr update_index_cp
1532
1533                switch -glob -- [lindex $file_states($path) 0] {
1534                AD {set new __}
1535                ?D {set new D_}
1536                _O -
1537                AM {set new A_}
1538                U? {
1539                        if {[file exists $path]} {
1540                                set new M_
1541                        } else {
1542                                set new D_
1543                        }
1544                }
1545                ?M {set new M_}
1546                ?? {continue}
1547                }
1548                puts -nonewline $fd "$path\0"
1549                display_file $path $new
1550        }
1551
1552        set ui_status_value [format \
1553                "$msg... %i/%i files (%.2f%%)" \
1554                $update_index_cp \
1555                $totalCnt \
1556                [expr {100.0 * $update_index_cp / $totalCnt}]]
1557}
1558
1559proc checkout_index {msg pathList after} {
1560        global update_index_cp ui_status_value
1561
1562        if {![lock_index update]} return
1563
1564        set update_index_cp 0
1565        set pathList [lsort $pathList]
1566        set totalCnt [llength $pathList]
1567        set batch [expr {int($totalCnt * .01) + 1}]
1568        if {$batch > 25} {set batch 25}
1569
1570        set ui_status_value [format \
1571                "$msg... %i/%i files (%.2f%%)" \
1572                $update_index_cp \
1573                $totalCnt \
1574                0.0]
1575        set cmd [list git checkout-index]
1576        lappend cmd --index
1577        lappend cmd --quiet
1578        lappend cmd --force
1579        lappend cmd -z
1580        lappend cmd --stdin
1581        set fd [open "| $cmd " w]
1582        fconfigure $fd \
1583                -blocking 0 \
1584                -buffering full \
1585                -buffersize 512 \
1586                -translation binary
1587        fileevent $fd writable [list \
1588                write_checkout_index \
1589                $fd \
1590                $pathList \
1591                $totalCnt \
1592                $batch \
1593                $msg \
1594                $after \
1595                ]
1596}
1597
1598proc write_checkout_index {fd pathList totalCnt batch msg after} {
1599        global update_index_cp ui_status_value
1600        global file_states current_diff_path
1601
1602        if {$update_index_cp >= $totalCnt} {
1603                close $fd
1604                unlock_index
1605                uplevel #0 $after
1606                return
1607        }
1608
1609        for {set i $batch} \
1610                {$update_index_cp < $totalCnt && $i > 0} \
1611                {incr i -1} {
1612                set path [lindex $pathList $update_index_cp]
1613                incr update_index_cp
1614                switch -glob -- [lindex $file_states($path) 0] {
1615                U? {continue}
1616                ?M -
1617                ?D {
1618                        puts -nonewline $fd "$path\0"
1619                        display_file $path ?_
1620                }
1621                }
1622        }
1623
1624        set ui_status_value [format \
1625                "$msg... %i/%i files (%.2f%%)" \
1626                $update_index_cp \
1627                $totalCnt \
1628                [expr {100.0 * $update_index_cp / $totalCnt}]]
1629}
1630
1631######################################################################
1632##
1633## branch management
1634
1635proc is_tracking_branch {name} {
1636        global tracking_branches
1637
1638        if {![catch {set info $tracking_branches($name)}]} {
1639                return 1
1640        }
1641        foreach t [array names tracking_branches] {
1642                if {[string match {*/\*} $t] && [string match $t $name]} {
1643                        return 1
1644                }
1645        }
1646        return 0
1647}
1648
1649proc load_all_heads {} {
1650        global all_heads
1651
1652        set all_heads [list]
1653        set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
1654        while {[gets $fd line] > 0} {
1655                if {[is_tracking_branch $line]} continue
1656                if {![regsub ^refs/heads/ $line {} name]} continue
1657                lappend all_heads $name
1658        }
1659        close $fd
1660
1661        set all_heads [lsort $all_heads]
1662}
1663
1664proc populate_branch_menu {} {
1665        global all_heads disable_on_lock
1666
1667        set m .mbar.branch
1668        set last [$m index last]
1669        for {set i 0} {$i <= $last} {incr i} {
1670                if {[$m type $i] eq {separator}} {
1671                        $m delete $i last
1672                        set new_dol [list]
1673                        foreach a $disable_on_lock {
1674                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1675                                        lappend new_dol $a
1676                                }
1677                        }
1678                        set disable_on_lock $new_dol
1679                        break
1680                }
1681        }
1682
1683        $m add separator
1684        foreach b $all_heads {
1685                $m add radiobutton \
1686                        -label $b \
1687                        -command [list switch_branch $b] \
1688                        -variable current_branch \
1689                        -value $b \
1690                        -font font_ui
1691                lappend disable_on_lock \
1692                        [list $m entryconf [$m index last] -state]
1693        }
1694}
1695
1696proc all_tracking_branches {} {
1697        global tracking_branches
1698
1699        set all_trackings {}
1700        set cmd {}
1701        foreach name [array names tracking_branches] {
1702                if {[regsub {/\*$} $name {} name]} {
1703                        lappend cmd $name
1704                } else {
1705                        regsub ^refs/(heads|remotes)/ $name {} name
1706                        lappend all_trackings $name
1707                }
1708        }
1709
1710        if {$cmd ne {}} {
1711                set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
1712                while {[gets $fd name] > 0} {
1713                        regsub ^refs/(heads|remotes)/ $name {} name
1714                        lappend all_trackings $name
1715                }
1716                close $fd
1717        }
1718
1719        return [lsort -unique $all_trackings]
1720}
1721
1722proc do_create_branch_action {w} {
1723        global all_heads null_sha1 repo_config
1724        global create_branch_checkout create_branch_revtype
1725        global create_branch_head create_branch_trackinghead
1726
1727        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1728        if {$newbranch eq {}
1729                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
1730                tk_messageBox \
1731                        -icon error \
1732                        -type ok \
1733                        -title [wm title $w] \
1734                        -parent $w \
1735                        -message "Please supply a branch name."
1736                focus $w.desc.name_t
1737                return
1738        }
1739        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1740                tk_messageBox \
1741                        -icon error \
1742                        -type ok \
1743                        -title [wm title $w] \
1744                        -parent $w \
1745                        -message "Branch '$newbranch' already exists."
1746                focus $w.desc.name_t
1747                return
1748        }
1749        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1750                tk_messageBox \
1751                        -icon error \
1752                        -type ok \
1753                        -title [wm title $w] \
1754                        -parent $w \
1755                        -message "We do not like '$newbranch' as a branch name."
1756                focus $w.desc.name_t
1757                return
1758        }
1759
1760        set rev {}
1761        switch -- $create_branch_revtype {
1762        head {set rev $create_branch_head}
1763        tracking {set rev $create_branch_trackinghead}
1764        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1765        }
1766        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1767                tk_messageBox \
1768                        -icon error \
1769                        -type ok \
1770                        -title [wm title $w] \
1771                        -parent $w \
1772                        -message "Invalid starting revision: $rev"
1773                return
1774        }
1775        set cmd [list git update-ref]
1776        lappend cmd -m
1777        lappend cmd "branch: Created from $rev"
1778        lappend cmd "refs/heads/$newbranch"
1779        lappend cmd $cmt
1780        lappend cmd $null_sha1
1781        if {[catch {eval exec $cmd} err]} {
1782                tk_messageBox \
1783                        -icon error \
1784                        -type ok \
1785                        -title [wm title $w] \
1786                        -parent $w \
1787                        -message "Failed to create '$newbranch'.\n\n$err"
1788                return
1789        }
1790
1791        lappend all_heads $newbranch
1792        set all_heads [lsort $all_heads]
1793        populate_branch_menu
1794        destroy $w
1795        if {$create_branch_checkout} {
1796                switch_branch $newbranch
1797        }
1798}
1799
1800proc radio_selector {varname value args} {
1801        upvar #0 $varname var
1802        set var $value
1803}
1804
1805trace add variable create_branch_head write \
1806        [list radio_selector create_branch_revtype head]
1807trace add variable create_branch_trackinghead write \
1808        [list radio_selector create_branch_revtype tracking]
1809
1810trace add variable delete_branch_head write \
1811        [list radio_selector delete_branch_checktype head]
1812trace add variable delete_branch_trackinghead write \
1813        [list radio_selector delete_branch_checktype tracking]
1814
1815proc do_create_branch {} {
1816        global all_heads current_branch repo_config
1817        global create_branch_checkout create_branch_revtype
1818        global create_branch_head create_branch_trackinghead
1819
1820        set w .branch_editor
1821        toplevel $w
1822        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1823
1824        label $w.header -text {Create New Branch} \
1825                -font font_uibold
1826        pack $w.header -side top -fill x
1827
1828        frame $w.buttons
1829        button $w.buttons.create -text Create \
1830                -font font_ui \
1831                -default active \
1832                -command [list do_create_branch_action $w]
1833        pack $w.buttons.create -side right
1834        button $w.buttons.cancel -text {Cancel} \
1835                -font font_ui \
1836                -command [list destroy $w]
1837        pack $w.buttons.cancel -side right -padx 5
1838        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1839
1840        labelframe $w.desc \
1841                -text {Branch Description} \
1842                -font font_ui
1843        label $w.desc.name_l -text {Name:} -font font_ui
1844        text $w.desc.name_t \
1845                -borderwidth 1 \
1846                -relief sunken \
1847                -height 1 \
1848                -width 40 \
1849                -font font_ui
1850        $w.desc.name_t insert 0.0 $repo_config(gui.newbranchtemplate)
1851        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1852        bind $w.desc.name_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
1853        bind $w.desc.name_t <Key-Tab> {focus [tk_focusNext %W];break}
1854        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1855        bind $w.desc.name_t <Key> {
1856                if {{%K} ne {BackSpace}
1857                        && {%K} ne {Tab}
1858                        && {%K} ne {Escape}
1859                        && {%K} ne {Return}} {
1860                        if {%k <= 32} break
1861                        if {[string first %A {~^:?*[}] >= 0} break
1862                }
1863        }
1864        grid columnconfigure $w.desc 1 -weight 1
1865        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1866
1867        labelframe $w.from \
1868                -text {Starting Revision} \
1869                -font font_ui
1870        radiobutton $w.from.head_r \
1871                -text {Local Branch:} \
1872                -value head \
1873                -variable create_branch_revtype \
1874                -font font_ui
1875        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1876        grid $w.from.head_r $w.from.head_m -sticky w
1877        set all_trackings [all_tracking_branches]
1878        if {$all_trackings ne {}} {
1879                set create_branch_trackinghead [lindex $all_trackings 0]
1880                radiobutton $w.from.tracking_r \
1881                        -text {Tracking Branch:} \
1882                        -value tracking \
1883                        -variable create_branch_revtype \
1884                        -font font_ui
1885                eval tk_optionMenu $w.from.tracking_m \
1886                        create_branch_trackinghead \
1887                        $all_trackings
1888                grid $w.from.tracking_r $w.from.tracking_m -sticky w
1889        }
1890        radiobutton $w.from.exp_r \
1891                -text {Revision Expression:} \
1892                -value expression \
1893                -variable create_branch_revtype \
1894                -font font_ui
1895        text $w.from.exp_t \
1896                -borderwidth 1 \
1897                -relief sunken \
1898                -height 1 \
1899                -width 50 \
1900                -font font_ui
1901        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1902        bind $w.from.exp_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
1903        bind $w.from.exp_t <Key-Tab> {focus [tk_focusNext %W];break}
1904        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1905        bind $w.from.exp_t <Key-space> break
1906        bind $w.from.exp_t <Key> {set create_branch_revtype expression}
1907        grid columnconfigure $w.from 1 -weight 1
1908        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1909
1910        labelframe $w.postActions \
1911                -text {Post Creation Actions} \
1912                -font font_ui
1913        checkbutton $w.postActions.checkout \
1914                -text {Checkout after creation} \
1915                -variable create_branch_checkout \
1916                -font font_ui
1917        pack $w.postActions.checkout -anchor nw
1918        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1919
1920        set create_branch_checkout 1
1921        set create_branch_head $current_branch
1922        set create_branch_revtype head
1923
1924        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1925        bind $w <Key-Escape> "destroy $w"
1926        bind $w <Key-Return> "do_create_branch_action $w;break"
1927        wm title $w "[appname] ([reponame]): Create Branch"
1928        tkwait window $w
1929}
1930
1931proc do_delete_branch_action {w} {
1932        global all_heads
1933        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1934
1935        set check_rev {}
1936        switch -- $delete_branch_checktype {
1937        head {set check_rev $delete_branch_head}
1938        tracking {set check_rev $delete_branch_trackinghead}
1939        always {set check_rev {:none}}
1940        }
1941        if {$check_rev eq {:none}} {
1942                set check_cmt {}
1943        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
1944                tk_messageBox \
1945                        -icon error \
1946                        -type ok \
1947                        -title [wm title $w] \
1948                        -parent $w \
1949                        -message "Invalid check revision: $check_rev"
1950                return
1951        }
1952
1953        set to_delete [list]
1954        set not_merged [list]
1955        foreach i [$w.list.l curselection] {
1956                set b [$w.list.l get $i]
1957                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1958                if {$check_cmt ne {}} {
1959                        if {$b eq $check_rev} continue
1960                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
1961                        if {$o ne $m} {
1962                                lappend not_merged $b
1963                                continue
1964                        }
1965                }
1966                lappend to_delete [list $b $o]
1967        }
1968        if {$not_merged ne {}} {
1969                set msg "The following branches are not completely merged into $check_rev:
1970
1971 - [join $not_merged "\n - "]"
1972                tk_messageBox \
1973                        -icon info \
1974                        -type ok \
1975                        -title [wm title $w] \
1976                        -parent $w \
1977                        -message $msg
1978        }
1979        if {$to_delete eq {}} return
1980        if {$delete_branch_checktype eq {always}} {
1981                set msg {Recovering deleted branches is difficult.
1982
1983Delete the selected branches?}
1984                if {[tk_messageBox \
1985                        -icon warning \
1986                        -type yesno \
1987                        -title [wm title $w] \
1988                        -parent $w \
1989                        -message $msg] ne yes} {
1990                        return
1991                }
1992        }
1993
1994        set failed {}
1995        foreach i $to_delete {
1996                set b [lindex $i 0]
1997                set o [lindex $i 1]
1998                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
1999                        append failed " - $b: $err\n"
2000                } else {
2001                        set x [lsearch -sorted $all_heads $b]
2002                        if {$x >= 0} {
2003                                set all_heads [lreplace $all_heads $x $x]
2004                        }
2005                }
2006        }
2007
2008        if {$failed ne {}} {
2009                tk_messageBox \
2010                        -icon error \
2011                        -type ok \
2012                        -title [wm title $w] \
2013                        -parent $w \
2014                        -message "Failed to delete branches:\n$failed"
2015        }
2016
2017        set all_heads [lsort $all_heads]
2018        populate_branch_menu
2019        destroy $w
2020}
2021
2022proc do_delete_branch {} {
2023        global all_heads tracking_branches current_branch
2024        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2025
2026        set w .branch_editor
2027        toplevel $w
2028        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2029
2030        label $w.header -text {Delete Local Branch} \
2031                -font font_uibold
2032        pack $w.header -side top -fill x
2033
2034        frame $w.buttons
2035        button $w.buttons.create -text Delete \
2036                -font font_ui \
2037                -command [list do_delete_branch_action $w]
2038        pack $w.buttons.create -side right
2039        button $w.buttons.cancel -text {Cancel} \
2040                -font font_ui \
2041                -command [list destroy $w]
2042        pack $w.buttons.cancel -side right -padx 5
2043        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2044
2045        labelframe $w.list \
2046                -text {Local Branches} \
2047                -font font_ui
2048        listbox $w.list.l \
2049                -height 10 \
2050                -width 50 \
2051                -selectmode extended \
2052                -font font_ui
2053        foreach h $all_heads {
2054                if {$h ne $current_branch} {
2055                        $w.list.l insert end $h
2056                }
2057        }
2058        pack $w.list.l -fill both -pady 5 -padx 5
2059        pack $w.list -fill both -pady 5 -padx 5
2060
2061        labelframe $w.validate \
2062                -text {Delete Only If} \
2063                -font font_ui
2064        radiobutton $w.validate.head_r \
2065                -text {Merged Into Local Branch:} \
2066                -value head \
2067                -variable delete_branch_checktype \
2068                -font font_ui
2069        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2070        grid $w.validate.head_r $w.validate.head_m -sticky w
2071        set all_trackings [all_tracking_branches]
2072        if {$all_trackings ne {}} {
2073                set delete_branch_trackinghead [lindex $all_trackings 0]
2074                radiobutton $w.validate.tracking_r \
2075                        -text {Merged Into Tracking Branch:} \
2076                        -value tracking \
2077                        -variable delete_branch_checktype \
2078                        -font font_ui
2079                eval tk_optionMenu $w.validate.tracking_m \
2080                        delete_branch_trackinghead \
2081                        $all_trackings
2082                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2083        }
2084        radiobutton $w.validate.always_r \
2085                -text {Always (Do not perform merge checks)} \
2086                -value always \
2087                -variable delete_branch_checktype \
2088                -font font_ui
2089        grid $w.validate.always_r -columnspan 2 -sticky w
2090        grid columnconfigure $w.validate 1 -weight 1
2091        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2092
2093        set delete_branch_head $current_branch
2094        set delete_branch_checktype head
2095
2096        bind $w <Visibility> "grab $w; focus $w"
2097        bind $w <Key-Escape> "destroy $w"
2098        wm title $w "[appname] ([reponame]): Delete Branch"
2099        tkwait window $w
2100}
2101
2102proc switch_branch {b} {
2103        global HEAD commit_type file_states current_branch
2104        global selected_commit_type ui_comm
2105
2106        if {![lock_index switch]} return
2107
2108        # -- Backup the selected branch (repository_state resets it)
2109        #
2110        set new_branch $current_branch
2111
2112        # -- Our in memory state should match the repository.
2113        #
2114        repository_state curType curHEAD curMERGE_HEAD
2115        if {[string match amend* $commit_type]
2116                && $curType eq {normal}
2117                && $curHEAD eq $HEAD} {
2118        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2119                info_popup {Last scanned state does not match repository state.
2120
2121Another Git program has modified this repository
2122since the last scan.  A rescan must be performed
2123before the current branch can be changed.
2124
2125The rescan will be automatically started now.
2126}
2127                unlock_index
2128                rescan {set ui_status_value {Ready.}}
2129                return
2130        }
2131
2132        # -- Toss the message buffer if we are in amend mode.
2133        #
2134        if {[string match amend* $curType]} {
2135                $ui_comm delete 0.0 end
2136                $ui_comm edit reset
2137                $ui_comm edit modified false
2138        }
2139
2140        set selected_commit_type new
2141        set current_branch $new_branch
2142
2143        unlock_index
2144        error "NOT FINISHED"
2145}
2146
2147######################################################################
2148##
2149## remote management
2150
2151proc load_all_remotes {} {
2152        global repo_config
2153        global all_remotes tracking_branches
2154
2155        set all_remotes [list]
2156        array unset tracking_branches
2157
2158        set rm_dir [gitdir remotes]
2159        if {[file isdirectory $rm_dir]} {
2160                set all_remotes [glob \
2161                        -types f \
2162                        -tails \
2163                        -nocomplain \
2164                        -directory $rm_dir *]
2165
2166                foreach name $all_remotes {
2167                        catch {
2168                                set fd [open [file join $rm_dir $name] r]
2169                                while {[gets $fd line] >= 0} {
2170                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2171                                                $line line src dst]} continue
2172                                        if {![regexp ^refs/ $dst]} {
2173                                                set dst "refs/heads/$dst"
2174                                        }
2175                                        set tracking_branches($dst) [list $name $src]
2176                                }
2177                                close $fd
2178                        }
2179                }
2180        }
2181
2182        foreach line [array names repo_config remote.*.url] {
2183                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2184                lappend all_remotes $name
2185
2186                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2187                        set fl {}
2188                }
2189                foreach line $fl {
2190                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2191                        if {![regexp ^refs/ $dst]} {
2192                                set dst "refs/heads/$dst"
2193                        }
2194                        set tracking_branches($dst) [list $name $src]
2195                }
2196        }
2197
2198        set all_remotes [lsort -unique $all_remotes]
2199}
2200
2201proc populate_fetch_menu {m} {
2202        global all_remotes repo_config
2203
2204        foreach r $all_remotes {
2205                set enable 0
2206                if {![catch {set a $repo_config(remote.$r.url)}]} {
2207                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2208                                set enable 1
2209                        }
2210                } else {
2211                        catch {
2212                                set fd [open [gitdir remotes $r] r]
2213                                while {[gets $fd n] >= 0} {
2214                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2215                                                set enable 1
2216                                                break
2217                                        }
2218                                }
2219                                close $fd
2220                        }
2221                }
2222
2223                if {$enable} {
2224                        $m add command \
2225                                -label "Fetch from $r..." \
2226                                -command [list fetch_from $r] \
2227                                -font font_ui
2228                }
2229        }
2230}
2231
2232proc populate_push_menu {m} {
2233        global all_remotes repo_config
2234
2235        foreach r $all_remotes {
2236                set enable 0
2237                if {![catch {set a $repo_config(remote.$r.url)}]} {
2238                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2239                                set enable 1
2240                        }
2241                } else {
2242                        catch {
2243                                set fd [open [gitdir remotes $r] r]
2244                                while {[gets $fd n] >= 0} {
2245                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2246                                                set enable 1
2247                                                break
2248                                        }
2249                                }
2250                                close $fd
2251                        }
2252                }
2253
2254                if {$enable} {
2255                        $m add command \
2256                                -label "Push to $r..." \
2257                                -command [list push_to $r] \
2258                                -font font_ui
2259                }
2260        }
2261}
2262
2263proc populate_pull_menu {m} {
2264        global repo_config all_remotes disable_on_lock
2265
2266        foreach remote $all_remotes {
2267                set rb_list [list]
2268                if {[array get repo_config remote.$remote.url] ne {}} {
2269                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2270                                foreach line $repo_config(remote.$remote.fetch) {
2271                                        if {[regexp {^([^:]+):} $line line rb]} {
2272                                                lappend rb_list $rb
2273                                        }
2274                                }
2275                        }
2276                } else {
2277                        catch {
2278                                set fd [open [gitdir remotes $remote] r]
2279                                while {[gets $fd line] >= 0} {
2280                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2281                                                lappend rb_list $rb
2282                                        }
2283                                }
2284                                close $fd
2285                        }
2286                }
2287
2288                foreach rb $rb_list {
2289                        regsub ^refs/heads/ $rb {} rb_short
2290                        $m add command \
2291                                -label "Branch $rb_short from $remote..." \
2292                                -command [list pull_remote $remote $rb] \
2293                                -font font_ui
2294                        lappend disable_on_lock \
2295                                [list $m entryconf [$m index last] -state]
2296                }
2297        }
2298}
2299
2300######################################################################
2301##
2302## icons
2303
2304set filemask {
2305#define mask_width 14
2306#define mask_height 15
2307static unsigned char mask_bits[] = {
2308   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2309   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2310   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2311}
2312
2313image create bitmap file_plain -background white -foreground black -data {
2314#define plain_width 14
2315#define plain_height 15
2316static unsigned char plain_bits[] = {
2317   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2318   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2319   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2320} -maskdata $filemask
2321
2322image create bitmap file_mod -background white -foreground blue -data {
2323#define mod_width 14
2324#define mod_height 15
2325static unsigned char mod_bits[] = {
2326   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2327   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2328   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2329} -maskdata $filemask
2330
2331image create bitmap file_fulltick -background white -foreground "#007000" -data {
2332#define file_fulltick_width 14
2333#define file_fulltick_height 15
2334static unsigned char file_fulltick_bits[] = {
2335   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2336   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2337   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2338} -maskdata $filemask
2339
2340image create bitmap file_parttick -background white -foreground "#005050" -data {
2341#define parttick_width 14
2342#define parttick_height 15
2343static unsigned char parttick_bits[] = {
2344   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2345   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2346   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2347} -maskdata $filemask
2348
2349image create bitmap file_question -background white -foreground black -data {
2350#define file_question_width 14
2351#define file_question_height 15
2352static unsigned char file_question_bits[] = {
2353   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2354   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2355   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2356} -maskdata $filemask
2357
2358image create bitmap file_removed -background white -foreground red -data {
2359#define file_removed_width 14
2360#define file_removed_height 15
2361static unsigned char file_removed_bits[] = {
2362   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2363   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2364   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2365} -maskdata $filemask
2366
2367image create bitmap file_merge -background white -foreground blue -data {
2368#define file_merge_width 14
2369#define file_merge_height 15
2370static unsigned char file_merge_bits[] = {
2371   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2372   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2373   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2374} -maskdata $filemask
2375
2376set ui_index .vpane.files.index.list
2377set ui_workdir .vpane.files.workdir.list
2378
2379set all_icons(_$ui_index)   file_plain
2380set all_icons(A$ui_index)   file_fulltick
2381set all_icons(M$ui_index)   file_fulltick
2382set all_icons(D$ui_index)   file_removed
2383set all_icons(U$ui_index)   file_merge
2384
2385set all_icons(_$ui_workdir) file_plain
2386set all_icons(M$ui_workdir) file_mod
2387set all_icons(D$ui_workdir) file_question
2388set all_icons(U$ui_workdir) file_merge
2389set all_icons(O$ui_workdir) file_plain
2390
2391set max_status_desc 0
2392foreach i {
2393                {__ "Unmodified"}
2394
2395                {_M "Modified, not staged"}
2396                {M_ "Staged for commit"}
2397                {MM "Portions staged for commit"}
2398                {MD "Staged for commit, missing"}
2399
2400                {_O "Untracked, not staged"}
2401                {A_ "Staged for commit"}
2402                {AM "Portions staged for commit"}
2403                {AD "Staged for commit, missing"}
2404
2405                {_D "Missing"}
2406                {D_ "Staged for removal"}
2407                {DO "Staged for removal, still present"}
2408
2409                {U_ "Requires merge resolution"}
2410                {UU "Requires merge resolution"}
2411                {UM "Requires merge resolution"}
2412                {UD "Requires merge resolution"}
2413        } {
2414        if {$max_status_desc < [string length [lindex $i 1]]} {
2415                set max_status_desc [string length [lindex $i 1]]
2416        }
2417        set all_descs([lindex $i 0]) [lindex $i 1]
2418}
2419unset i
2420
2421######################################################################
2422##
2423## util
2424
2425proc is_MacOSX {} {
2426        global tcl_platform tk_library
2427        if {[tk windowingsystem] eq {aqua}} {
2428                return 1
2429        }
2430        return 0
2431}
2432
2433proc is_Windows {} {
2434        global tcl_platform
2435        if {$tcl_platform(platform) eq {windows}} {
2436                return 1
2437        }
2438        return 0
2439}
2440
2441proc bind_button3 {w cmd} {
2442        bind $w <Any-Button-3> $cmd
2443        if {[is_MacOSX]} {
2444                bind $w <Control-Button-1> $cmd
2445        }
2446}
2447
2448proc incr_font_size {font {amt 1}} {
2449        set sz [font configure $font -size]
2450        incr sz $amt
2451        font configure $font -size $sz
2452        font configure ${font}bold -size $sz
2453}
2454
2455proc hook_failed_popup {hook msg} {
2456        set w .hookfail
2457        toplevel $w
2458
2459        frame $w.m
2460        label $w.m.l1 -text "$hook hook failed:" \
2461                -anchor w \
2462                -justify left \
2463                -font font_uibold
2464        text $w.m.t \
2465                -background white -borderwidth 1 \
2466                -relief sunken \
2467                -width 80 -height 10 \
2468                -font font_diff \
2469                -yscrollcommand [list $w.m.sby set]
2470        label $w.m.l2 \
2471                -text {You must correct the above errors before committing.} \
2472                -anchor w \
2473                -justify left \
2474                -font font_uibold
2475        scrollbar $w.m.sby -command [list $w.m.t yview]
2476        pack $w.m.l1 -side top -fill x
2477        pack $w.m.l2 -side bottom -fill x
2478        pack $w.m.sby -side right -fill y
2479        pack $w.m.t -side left -fill both -expand 1
2480        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2481
2482        $w.m.t insert 1.0 $msg
2483        $w.m.t conf -state disabled
2484
2485        button $w.ok -text OK \
2486                -width 15 \
2487                -font font_ui \
2488                -command "destroy $w"
2489        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2490
2491        bind $w <Visibility> "grab $w; focus $w"
2492        bind $w <Key-Return> "destroy $w"
2493        wm title $w "[appname] ([reponame]): error"
2494        tkwait window $w
2495}
2496
2497set next_console_id 0
2498
2499proc new_console {short_title long_title} {
2500        global next_console_id console_data
2501        set w .console[incr next_console_id]
2502        set console_data($w) [list $short_title $long_title]
2503        return [console_init $w]
2504}
2505
2506proc console_init {w} {
2507        global console_cr console_data M1B
2508
2509        set console_cr($w) 1.0
2510        toplevel $w
2511        frame $w.m
2512        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2513                -anchor w \
2514                -justify left \
2515                -font font_uibold
2516        text $w.m.t \
2517                -background white -borderwidth 1 \
2518                -relief sunken \
2519                -width 80 -height 10 \
2520                -font font_diff \
2521                -state disabled \
2522                -yscrollcommand [list $w.m.sby set]
2523        label $w.m.s -text {Working... please wait...} \
2524                -anchor w \
2525                -justify left \
2526                -font font_uibold
2527        scrollbar $w.m.sby -command [list $w.m.t yview]
2528        pack $w.m.l1 -side top -fill x
2529        pack $w.m.s -side bottom -fill x
2530        pack $w.m.sby -side right -fill y
2531        pack $w.m.t -side left -fill both -expand 1
2532        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2533
2534        menu $w.ctxm -tearoff 0
2535        $w.ctxm add command -label "Copy" \
2536                -font font_ui \
2537                -command "tk_textCopy $w.m.t"
2538        $w.ctxm add command -label "Select All" \
2539                -font font_ui \
2540                -command "$w.m.t tag add sel 0.0 end"
2541        $w.ctxm add command -label "Copy All" \
2542                -font font_ui \
2543                -command "
2544                        $w.m.t tag add sel 0.0 end
2545                        tk_textCopy $w.m.t
2546                        $w.m.t tag remove sel 0.0 end
2547                "
2548
2549        button $w.ok -text {Close} \
2550                -font font_ui \
2551                -state disabled \
2552                -command "destroy $w"
2553        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2554
2555        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2556        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2557        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2558        bind $w <Visibility> "focus $w"
2559        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2560        return $w
2561}
2562
2563proc console_exec {w cmd {after {}}} {
2564        # -- Windows tosses the enviroment when we exec our child.
2565        #    But most users need that so we have to relogin. :-(
2566        #
2567        if {[is_Windows]} {
2568                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2569        }
2570
2571        # -- Tcl won't let us redirect both stdout and stderr to
2572        #    the same pipe.  So pass it through cat...
2573        #
2574        set cmd [concat | $cmd |& cat]
2575
2576        set fd_f [open $cmd r]
2577        fconfigure $fd_f -blocking 0 -translation binary
2578        fileevent $fd_f readable [list console_read $w $fd_f $after]
2579}
2580
2581proc console_read {w fd after} {
2582        global console_cr console_data
2583
2584        set buf [read $fd]
2585        if {$buf ne {}} {
2586                if {![winfo exists $w]} {console_init $w}
2587                $w.m.t conf -state normal
2588                set c 0
2589                set n [string length $buf]
2590                while {$c < $n} {
2591                        set cr [string first "\r" $buf $c]
2592                        set lf [string first "\n" $buf $c]
2593                        if {$cr < 0} {set cr [expr {$n + 1}]}
2594                        if {$lf < 0} {set lf [expr {$n + 1}]}
2595
2596                        if {$lf < $cr} {
2597                                $w.m.t insert end [string range $buf $c $lf]
2598                                set console_cr($w) [$w.m.t index {end -1c}]
2599                                set c $lf
2600                                incr c
2601                        } else {
2602                                $w.m.t delete $console_cr($w) end
2603                                $w.m.t insert end "\n"
2604                                $w.m.t insert end [string range $buf $c $cr]
2605                                set c $cr
2606                                incr c
2607                        }
2608                }
2609                $w.m.t conf -state disabled
2610                $w.m.t see end
2611        }
2612
2613        fconfigure $fd -blocking 1
2614        if {[eof $fd]} {
2615                if {[catch {close $fd}]} {
2616                        if {![winfo exists $w]} {console_init $w}
2617                        $w.m.s conf -background red -text {Error: Command Failed}
2618                        $w.ok conf -state normal
2619                        set ok 0
2620                } elseif {[winfo exists $w]} {
2621                        $w.m.s conf -background green -text {Success}
2622                        $w.ok conf -state normal
2623                        set ok 1
2624                }
2625                array unset console_cr $w
2626                array unset console_data $w
2627                if {$after ne {}} {
2628                        uplevel #0 $after $ok
2629                }
2630                return
2631        }
2632        fconfigure $fd -blocking 0
2633}
2634
2635######################################################################
2636##
2637## ui commands
2638
2639set starting_gitk_msg {Starting gitk... please wait...}
2640
2641proc do_gitk {revs} {
2642        global ui_status_value starting_gitk_msg
2643
2644        set cmd gitk
2645        if {$revs ne {}} {
2646                append cmd { }
2647                append cmd $revs
2648        }
2649        if {[is_Windows]} {
2650                set cmd "sh -c \"exec $cmd\""
2651        }
2652        append cmd { &}
2653
2654        if {[catch {eval exec $cmd} err]} {
2655                error_popup "Failed to start gitk:\n\n$err"
2656        } else {
2657                set ui_status_value $starting_gitk_msg
2658                after 10000 {
2659                        if {$ui_status_value eq $starting_gitk_msg} {
2660                                set ui_status_value {Ready.}
2661                        }
2662                }
2663        }
2664}
2665
2666proc do_gc {} {
2667        set w [new_console {gc} {Compressing the object database}]
2668        console_exec $w {git gc}
2669}
2670
2671proc do_fsck_objects {} {
2672        set w [new_console {fsck-objects} \
2673                {Verifying the object database with fsck-objects}]
2674        set cmd [list git fsck-objects]
2675        lappend cmd --full
2676        lappend cmd --cache
2677        lappend cmd --strict
2678        console_exec $w $cmd
2679}
2680
2681set is_quitting 0
2682
2683proc do_quit {} {
2684        global ui_comm is_quitting repo_config commit_type
2685
2686        if {$is_quitting} return
2687        set is_quitting 1
2688
2689        # -- Stash our current commit buffer.
2690        #
2691        set save [gitdir GITGUI_MSG]
2692        set msg [string trim [$ui_comm get 0.0 end]]
2693        if {![string match amend* $commit_type]
2694                && [$ui_comm edit modified]
2695                && $msg ne {}} {
2696                catch {
2697                        set fd [open $save w]
2698                        puts $fd [string trim [$ui_comm get 0.0 end]]
2699                        close $fd
2700                }
2701        } else {
2702                catch {file delete $save}
2703        }
2704
2705        # -- Stash our current window geometry into this repository.
2706        #
2707        set cfg_geometry [list]
2708        lappend cfg_geometry [wm geometry .]
2709        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2710        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2711        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2712                set rc_geometry {}
2713        }
2714        if {$cfg_geometry ne $rc_geometry} {
2715                catch {exec git repo-config gui.geometry $cfg_geometry}
2716        }
2717
2718        destroy .
2719}
2720
2721proc do_rescan {} {
2722        rescan {set ui_status_value {Ready.}}
2723}
2724
2725proc unstage_helper {txt paths} {
2726        global file_states current_diff_path
2727
2728        if {![lock_index begin-update]} return
2729
2730        set pathList [list]
2731        set after {}
2732        foreach path $paths {
2733                switch -glob -- [lindex $file_states($path) 0] {
2734                A? -
2735                M? -
2736                D? {
2737                        lappend pathList $path
2738                        if {$path eq $current_diff_path} {
2739                                set after {reshow_diff;}
2740                        }
2741                }
2742                }
2743        }
2744        if {$pathList eq {}} {
2745                unlock_index
2746        } else {
2747                update_indexinfo \
2748                        $txt \
2749                        $pathList \
2750                        [concat $after {set ui_status_value {Ready.}}]
2751        }
2752}
2753
2754proc do_unstage_selection {} {
2755        global current_diff_path selected_paths
2756
2757        if {[array size selected_paths] > 0} {
2758                unstage_helper \
2759                        {Unstaging selected files from commit} \
2760                        [array names selected_paths]
2761        } elseif {$current_diff_path ne {}} {
2762                unstage_helper \
2763                        "Unstaging [short_path $current_diff_path] from commit" \
2764                        [list $current_diff_path]
2765        }
2766}
2767
2768proc add_helper {txt paths} {
2769        global file_states current_diff_path
2770
2771        if {![lock_index begin-update]} return
2772
2773        set pathList [list]
2774        set after {}
2775        foreach path $paths {
2776                switch -glob -- [lindex $file_states($path) 0] {
2777                _O -
2778                ?M -
2779                ?D -
2780                U? {
2781                        lappend pathList $path
2782                        if {$path eq $current_diff_path} {
2783                                set after {reshow_diff;}
2784                        }
2785                }
2786                }
2787        }
2788        if {$pathList eq {}} {
2789                unlock_index
2790        } else {
2791                update_index \
2792                        $txt \
2793                        $pathList \
2794                        [concat $after {set ui_status_value {Ready to commit.}}]
2795        }
2796}
2797
2798proc do_add_selection {} {
2799        global current_diff_path selected_paths
2800
2801        if {[array size selected_paths] > 0} {
2802                add_helper \
2803                        {Adding selected files} \
2804                        [array names selected_paths]
2805        } elseif {$current_diff_path ne {}} {
2806                add_helper \
2807                        "Adding [short_path $current_diff_path]" \
2808                        [list $current_diff_path]
2809        }
2810}
2811
2812proc do_add_all {} {
2813        global file_states
2814
2815        set paths [list]
2816        foreach path [array names file_states] {
2817                switch -glob -- [lindex $file_states($path) 0] {
2818                U? {continue}
2819                ?M -
2820                ?D {lappend paths $path}
2821                }
2822        }
2823        add_helper {Adding all changed files} $paths
2824}
2825
2826proc revert_helper {txt paths} {
2827        global file_states current_diff_path
2828
2829        if {![lock_index begin-update]} return
2830
2831        set pathList [list]
2832        set after {}
2833        foreach path $paths {
2834                switch -glob -- [lindex $file_states($path) 0] {
2835                U? {continue}
2836                ?M -
2837                ?D {
2838                        lappend pathList $path
2839                        if {$path eq $current_diff_path} {
2840                                set after {reshow_diff;}
2841                        }
2842                }
2843                }
2844        }
2845
2846        set n [llength $pathList]
2847        if {$n == 0} {
2848                unlock_index
2849                return
2850        } elseif {$n == 1} {
2851                set s "[short_path [lindex $pathList]]"
2852        } else {
2853                set s "these $n files"
2854        }
2855
2856        set reply [tk_dialog \
2857                .confirm_revert \
2858                "[appname] ([reponame])" \
2859                "Revert changes in $s?
2860
2861Any unadded changes will be permanently lost by the revert." \
2862                question \
2863                1 \
2864                {Do Nothing} \
2865                {Revert Changes} \
2866                ]
2867        if {$reply == 1} {
2868                checkout_index \
2869                        $txt \
2870                        $pathList \
2871                        [concat $after {set ui_status_value {Ready.}}]
2872        } else {
2873                unlock_index
2874        }
2875}
2876
2877proc do_revert_selection {} {
2878        global current_diff_path selected_paths
2879
2880        if {[array size selected_paths] > 0} {
2881                revert_helper \
2882                        {Reverting selected files} \
2883                        [array names selected_paths]
2884        } elseif {$current_diff_path ne {}} {
2885                revert_helper \
2886                        "Reverting [short_path $current_diff_path]" \
2887                        [list $current_diff_path]
2888        }
2889}
2890
2891proc do_signoff {} {
2892        global ui_comm
2893
2894        set me [committer_ident]
2895        if {$me eq {}} return
2896
2897        set sob "Signed-off-by: $me"
2898        set last [$ui_comm get {end -1c linestart} {end -1c}]
2899        if {$last ne $sob} {
2900                $ui_comm edit separator
2901                if {$last ne {}
2902                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2903                        $ui_comm insert end "\n"
2904                }
2905                $ui_comm insert end "\n$sob"
2906                $ui_comm edit separator
2907                $ui_comm see end
2908        }
2909}
2910
2911proc do_select_commit_type {} {
2912        global commit_type selected_commit_type
2913
2914        if {$selected_commit_type eq {new}
2915                && [string match amend* $commit_type]} {
2916                create_new_commit
2917        } elseif {$selected_commit_type eq {amend}
2918                && ![string match amend* $commit_type]} {
2919                load_last_commit
2920
2921                # The amend request was rejected...
2922                #
2923                if {![string match amend* $commit_type]} {
2924                        set selected_commit_type new
2925                }
2926        }
2927}
2928
2929proc do_commit {} {
2930        commit_tree
2931}
2932
2933proc do_about {} {
2934        global appvers copyright
2935        global tcl_patchLevel tk_patchLevel
2936
2937        set w .about_dialog
2938        toplevel $w
2939        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2940
2941        label $w.header -text "About [appname]" \
2942                -font font_uibold
2943        pack $w.header -side top -fill x
2944
2945        frame $w.buttons
2946        button $w.buttons.close -text {Close} \
2947                -font font_ui \
2948                -command [list destroy $w]
2949        pack $w.buttons.close -side right
2950        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2951
2952        label $w.desc \
2953                -text "[appname] - a commit creation tool for Git.
2954$copyright" \
2955                -padx 5 -pady 5 \
2956                -justify left \
2957                -anchor w \
2958                -borderwidth 1 \
2959                -relief solid \
2960                -font font_ui
2961        pack $w.desc -side top -fill x -padx 5 -pady 5
2962
2963        set v {}
2964        append v "[appname] version $appvers\n"
2965        append v "[exec git version]\n"
2966        append v "\n"
2967        if {$tcl_patchLevel eq $tk_patchLevel} {
2968                append v "Tcl/Tk version $tcl_patchLevel"
2969        } else {
2970                append v "Tcl version $tcl_patchLevel"
2971                append v ", Tk version $tk_patchLevel"
2972        }
2973
2974        label $w.vers \
2975                -text $v \
2976                -padx 5 -pady 5 \
2977                -justify left \
2978                -anchor w \
2979                -borderwidth 1 \
2980                -relief solid \
2981                -font font_ui
2982        pack $w.vers -side top -fill x -padx 5 -pady 5
2983
2984        menu $w.ctxm -tearoff 0
2985        $w.ctxm add command \
2986                -label {Copy} \
2987                -font font_ui \
2988                -command "
2989                clipboard clear
2990                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2991        "
2992
2993        bind $w <Visibility> "grab $w; focus $w"
2994        bind $w <Key-Escape> "destroy $w"
2995        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2996        wm title $w "About [appname]"
2997        tkwait window $w
2998}
2999
3000proc do_options {} {
3001        global repo_config global_config font_descs
3002        global repo_config_new global_config_new
3003
3004        array unset repo_config_new
3005        array unset global_config_new
3006        foreach name [array names repo_config] {
3007                set repo_config_new($name) $repo_config($name)
3008        }
3009        load_config 1
3010        foreach name [array names repo_config] {
3011                switch -- $name {
3012                gui.diffcontext {continue}
3013                }
3014                set repo_config_new($name) $repo_config($name)
3015        }
3016        foreach name [array names global_config] {
3017                set global_config_new($name) $global_config($name)
3018        }
3019
3020        set w .options_editor
3021        toplevel $w
3022        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3023
3024        label $w.header -text "[appname] Options" \
3025                -font font_uibold
3026        pack $w.header -side top -fill x
3027
3028        frame $w.buttons
3029        button $w.buttons.restore -text {Restore Defaults} \
3030                -font font_ui \
3031                -command do_restore_defaults
3032        pack $w.buttons.restore -side left
3033        button $w.buttons.save -text Save \
3034                -font font_ui \
3035                -command "
3036                        catch {eval \[bind \[focus -displayof $w\] <FocusOut>\]}
3037                        do_save_config $w
3038                "
3039        pack $w.buttons.save -side right
3040        button $w.buttons.cancel -text {Cancel} \
3041                -font font_ui \
3042                -command [list destroy $w]
3043        pack $w.buttons.cancel -side right -padx 5
3044        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3045
3046        labelframe $w.repo -text "[reponame] Repository" \
3047                -font font_ui \
3048                -relief raised -borderwidth 2
3049        labelframe $w.global -text {Global (All Repositories)} \
3050                -font font_ui \
3051                -relief raised -borderwidth 2
3052        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
3053        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
3054
3055        foreach option {
3056                {b pullsummary {Show Pull Summary}}
3057                {b trustmtime  {Trust File Modification Timestamps}}
3058                {i diffcontext {Number of Diff Context Lines}}
3059                {t newbranchtemplate {New Branch Name Template}}
3060                } {
3061                set type [lindex $option 0]
3062                set name [lindex $option 1]
3063                set text [lindex $option 2]
3064                foreach f {repo global} {
3065                        switch $type {
3066                        b {
3067                                checkbutton $w.$f.$name -text $text \
3068                                        -variable ${f}_config_new(gui.$name) \
3069                                        -onvalue true \
3070                                        -offvalue false \
3071                                        -font font_ui
3072                                pack $w.$f.$name -side top -anchor w
3073                        }
3074                        i {
3075                                frame $w.$f.$name
3076                                label $w.$f.$name.l -text "$text:" -font font_ui
3077                                pack $w.$f.$name.l -side left -anchor w -fill x
3078                                spinbox $w.$f.$name.v \
3079                                        -textvariable ${f}_config_new(gui.$name) \
3080                                        -from 1 -to 99 -increment 1 \
3081                                        -width 3 \
3082                                        -font font_ui
3083                                bind $w.$f.$name.v <FocusIn> {%W selection range 0 end}
3084                                pack $w.$f.$name.v -side right -anchor e -padx 5
3085                                pack $w.$f.$name -side top -anchor w -fill x
3086                        }
3087                        t {
3088                                frame $w.$f.$name
3089                                label $w.$f.$name.l -text "$text:" -font font_ui
3090                                text $w.$f.$name.v \
3091                                        -borderwidth 1 \
3092                                        -relief sunken \
3093                                        -height 1 \
3094                                        -width 20 \
3095                                        -font font_ui
3096                                $w.$f.$name.v insert 0.0 [set ${f}_config_new(gui.$name)]
3097                                bind $w.$f.$name.v <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
3098                                bind $w.$f.$name.v <Key-Tab> {focus [tk_focusNext %W];break}
3099                                bind $w.$f.$name.v <Key-Return> break
3100                                bind $w.$f.$name.v <FocusIn> "$w.$f.$name.v tag add sel 0.0 end"
3101                                bind $w.$f.$name.v <FocusOut> "
3102                                        set ${f}_config_new(gui.$name) \
3103                                        \[string trim \[$w.$f.$name.v get 0.0 end\]\]
3104                                "
3105                                pack $w.$f.$name.l -side left -anchor w
3106                                pack $w.$f.$name.v -side left -anchor w \
3107                                        -fill x -expand 1 \
3108                                        -padx 5
3109                                pack $w.$f.$name -side top -anchor w -fill x
3110                        }
3111                        }
3112                }
3113        }
3114
3115        set all_fonts [lsort [font families]]
3116        foreach option $font_descs {
3117                set name [lindex $option 0]
3118                set font [lindex $option 1]
3119                set text [lindex $option 2]
3120
3121                set global_config_new(gui.$font^^family) \
3122                        [font configure $font -family]
3123                set global_config_new(gui.$font^^size) \
3124                        [font configure $font -size]
3125
3126                frame $w.global.$name
3127                label $w.global.$name.l -text "$text:" -font font_ui
3128                pack $w.global.$name.l -side left -anchor w -fill x
3129                eval tk_optionMenu $w.global.$name.family \
3130                        global_config_new(gui.$font^^family) \
3131                        $all_fonts
3132                spinbox $w.global.$name.size \
3133                        -textvariable global_config_new(gui.$font^^size) \
3134                        -from 2 -to 80 -increment 1 \
3135                        -width 3 \
3136                        -font font_ui
3137                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
3138                pack $w.global.$name.size -side right -anchor e
3139                pack $w.global.$name.family -side right -anchor e
3140                pack $w.global.$name -side top -anchor w -fill x
3141        }
3142
3143        bind $w <Visibility> "grab $w; focus $w"
3144        bind $w <Key-Escape> "destroy $w"
3145        wm title $w "[appname] ([reponame]): Options"
3146        tkwait window $w
3147}
3148
3149proc do_restore_defaults {} {
3150        global font_descs default_config repo_config
3151        global repo_config_new global_config_new
3152
3153        foreach name [array names default_config] {
3154                set repo_config_new($name) $default_config($name)
3155                set global_config_new($name) $default_config($name)
3156        }
3157
3158        foreach option $font_descs {
3159                set name [lindex $option 0]
3160                set repo_config(gui.$name) $default_config(gui.$name)
3161        }
3162        apply_config
3163
3164        foreach option $font_descs {
3165                set name [lindex $option 0]
3166                set font [lindex $option 1]
3167                set global_config_new(gui.$font^^family) \
3168                        [font configure $font -family]
3169                set global_config_new(gui.$font^^size) \
3170                        [font configure $font -size]
3171        }
3172}
3173
3174proc do_save_config {w} {
3175        if {[catch {save_config} err]} {
3176                error_popup "Failed to completely save options:\n\n$err"
3177        }
3178        reshow_diff
3179        destroy $w
3180}
3181
3182proc do_windows_shortcut {} {
3183        global argv0
3184
3185        if {[catch {
3186                set desktop [exec cygpath \
3187                        --windows \
3188                        --absolute \
3189                        --long-name \
3190                        --desktop]
3191                }]} {
3192                        set desktop .
3193        }
3194        set fn [tk_getSaveFile \
3195                -parent . \
3196                -title "[appname] ([reponame]): Create Desktop Icon" \
3197                -initialdir $desktop \
3198                -initialfile "Git [reponame].bat"]
3199        if {$fn != {}} {
3200                if {[catch {
3201                                set fd [open $fn w]
3202                                set sh [exec cygpath \
3203                                        --windows \
3204                                        --absolute \
3205                                        /bin/sh]
3206                                set me [exec cygpath \
3207                                        --unix \
3208                                        --absolute \
3209                                        $argv0]
3210                                set gd [exec cygpath \
3211                                        --unix \
3212                                        --absolute \
3213                                        [gitdir]]
3214                                set gw [exec cygpath \
3215                                        --windows \
3216                                        --absolute \
3217                                        [file dirname [gitdir]]]
3218                                regsub -all ' $me "'\\''" me
3219                                regsub -all ' $gd "'\\''" gd
3220                                puts $fd "@ECHO Entering $gw"
3221                                puts $fd "@ECHO Starting git-gui... please wait..."
3222                                puts -nonewline $fd "@\"$sh\" --login -c \""
3223                                puts -nonewline $fd "GIT_DIR='$gd'"
3224                                puts -nonewline $fd " '$me'"
3225                                puts $fd "&\""
3226                                close $fd
3227                        } err]} {
3228                        error_popup "Cannot write script:\n\n$err"
3229                }
3230        }
3231}
3232
3233proc do_macosx_app {} {
3234        global argv0 env
3235
3236        set fn [tk_getSaveFile \
3237                -parent . \
3238                -title "[appname] ([reponame]): Create Desktop Icon" \
3239                -initialdir [file join $env(HOME) Desktop] \
3240                -initialfile "Git [reponame].app"]
3241        if {$fn != {}} {
3242                if {[catch {
3243                                set Contents [file join $fn Contents]
3244                                set MacOS [file join $Contents MacOS]
3245                                set exe [file join $MacOS git-gui]
3246
3247                                file mkdir $MacOS
3248
3249                                set fd [open [file join $Contents Info.plist] w]
3250                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3251<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3252<plist version="1.0">
3253<dict>
3254        <key>CFBundleDevelopmentRegion</key>
3255        <string>English</string>
3256        <key>CFBundleExecutable</key>
3257        <string>git-gui</string>
3258        <key>CFBundleIdentifier</key>
3259        <string>org.spearce.git-gui</string>
3260        <key>CFBundleInfoDictionaryVersion</key>
3261        <string>6.0</string>
3262        <key>CFBundlePackageType</key>
3263        <string>APPL</string>
3264        <key>CFBundleSignature</key>
3265        <string>????</string>
3266        <key>CFBundleVersion</key>
3267        <string>1.0</string>
3268        <key>NSPrincipalClass</key>
3269        <string>NSApplication</string>
3270</dict>
3271</plist>}
3272                                close $fd
3273
3274                                set fd [open $exe w]
3275                                set gd [file normalize [gitdir]]
3276                                set ep [file normalize [exec git --exec-path]]
3277                                regsub -all ' $gd "'\\''" gd
3278                                regsub -all ' $ep "'\\''" ep
3279                                puts $fd "#!/bin/sh"
3280                                foreach name [array names env] {
3281                                        if {[string match GIT_* $name]} {
3282                                                regsub -all ' $env($name) "'\\''" v
3283                                                puts $fd "export $name='$v'"
3284                                        }
3285                                }
3286                                puts $fd "export PATH='$ep':\$PATH"
3287                                puts $fd "export GIT_DIR='$gd'"
3288                                puts $fd "exec [file normalize $argv0]"
3289                                close $fd
3290
3291                                file attributes $exe -permissions u+x,g+x,o+x
3292                        } err]} {
3293                        error_popup "Cannot write icon:\n\n$err"
3294                }
3295        }
3296}
3297
3298proc toggle_or_diff {w x y} {
3299        global file_states file_lists current_diff_path ui_index ui_workdir
3300        global last_clicked selected_paths
3301
3302        set pos [split [$w index @$x,$y] .]
3303        set lno [lindex $pos 0]
3304        set col [lindex $pos 1]
3305        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3306        if {$path eq {}} {
3307                set last_clicked {}
3308                return
3309        }
3310
3311        set last_clicked [list $w $lno]
3312        array unset selected_paths
3313        $ui_index tag remove in_sel 0.0 end
3314        $ui_workdir tag remove in_sel 0.0 end
3315
3316        if {$col == 0} {
3317                if {$current_diff_path eq $path} {
3318                        set after {reshow_diff;}
3319                } else {
3320                        set after {}
3321                }
3322                if {$w eq $ui_index} {
3323                        update_indexinfo \
3324                                "Unstaging [short_path $path] from commit" \
3325                                [list $path] \
3326                                [concat $after {set ui_status_value {Ready.}}]
3327                } elseif {$w eq $ui_workdir} {
3328                        update_index \
3329                                "Adding [short_path $path]" \
3330                                [list $path] \
3331                                [concat $after {set ui_status_value {Ready.}}]
3332                }
3333        } else {
3334                show_diff $path $w $lno
3335        }
3336}
3337
3338proc add_one_to_selection {w x y} {
3339        global file_lists last_clicked selected_paths
3340
3341        set lno [lindex [split [$w index @$x,$y] .] 0]
3342        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3343        if {$path eq {}} {
3344                set last_clicked {}
3345                return
3346        }
3347
3348        if {$last_clicked ne {}
3349                && [lindex $last_clicked 0] ne $w} {
3350                array unset selected_paths
3351                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3352        }
3353
3354        set last_clicked [list $w $lno]
3355        if {[catch {set in_sel $selected_paths($path)}]} {
3356                set in_sel 0
3357        }
3358        if {$in_sel} {
3359                unset selected_paths($path)
3360                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3361        } else {
3362                set selected_paths($path) 1
3363                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3364        }
3365}
3366
3367proc add_range_to_selection {w x y} {
3368        global file_lists last_clicked selected_paths
3369
3370        if {[lindex $last_clicked 0] ne $w} {
3371                toggle_or_diff $w $x $y
3372                return
3373        }
3374
3375        set lno [lindex [split [$w index @$x,$y] .] 0]
3376        set lc [lindex $last_clicked 1]
3377        if {$lc < $lno} {
3378                set begin $lc
3379                set end $lno
3380        } else {
3381                set begin $lno
3382                set end $lc
3383        }
3384
3385        foreach path [lrange $file_lists($w) \
3386                [expr {$begin - 1}] \
3387                [expr {$end - 1}]] {
3388                set selected_paths($path) 1
3389        }
3390        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3391}
3392
3393######################################################################
3394##
3395## config defaults
3396
3397set cursor_ptr arrow
3398font create font_diff -family Courier -size 10
3399font create font_ui
3400catch {
3401        label .dummy
3402        eval font configure font_ui [font actual [.dummy cget -font]]
3403        destroy .dummy
3404}
3405
3406font create font_uibold
3407font create font_diffbold
3408
3409if {[is_Windows]} {
3410        set M1B Control
3411        set M1T Ctrl
3412} elseif {[is_MacOSX]} {
3413        set M1B M1
3414        set M1T Cmd
3415} else {
3416        set M1B M1
3417        set M1T M1
3418}
3419
3420proc apply_config {} {
3421        global repo_config font_descs
3422
3423        foreach option $font_descs {
3424                set name [lindex $option 0]
3425                set font [lindex $option 1]
3426                if {[catch {
3427                        foreach {cn cv} $repo_config(gui.$name) {
3428                                font configure $font $cn $cv
3429                        }
3430                        } err]} {
3431                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3432                }
3433                foreach {cn cv} [font configure $font] {
3434                        font configure ${font}bold $cn $cv
3435                }
3436                font configure ${font}bold -weight bold
3437        }
3438}
3439
3440set default_config(gui.trustmtime) false
3441set default_config(gui.pullsummary) true
3442set default_config(gui.diffcontext) 5
3443set default_config(gui.newbranchtemplate) {}
3444set default_config(gui.fontui) [font configure font_ui]
3445set default_config(gui.fontdiff) [font configure font_diff]
3446set font_descs {
3447        {fontui   font_ui   {Main Font}}
3448        {fontdiff font_diff {Diff/Console Font}}
3449}
3450load_config 0
3451apply_config
3452
3453######################################################################
3454##
3455## ui construction
3456
3457# -- Menu Bar
3458#
3459menu .mbar -tearoff 0
3460.mbar add cascade -label Repository -menu .mbar.repository
3461.mbar add cascade -label Edit -menu .mbar.edit
3462if {!$single_commit} {
3463        .mbar add cascade -label Branch -menu .mbar.branch
3464}
3465.mbar add cascade -label Commit -menu .mbar.commit
3466if {!$single_commit} {
3467        .mbar add cascade -label Fetch -menu .mbar.fetch
3468        .mbar add cascade -label Pull -menu .mbar.pull
3469        .mbar add cascade -label Push -menu .mbar.push
3470}
3471. configure -menu .mbar
3472
3473# -- Repository Menu
3474#
3475menu .mbar.repository
3476.mbar.repository add command \
3477        -label {Visualize Current Branch} \
3478        -command {do_gitk {}} \
3479        -font font_ui
3480if {![is_MacOSX]} {
3481        .mbar.repository add command \
3482                -label {Visualize All Branches} \
3483                -command {do_gitk {--all}} \
3484                -font font_ui
3485}
3486.mbar.repository add separator
3487
3488if {!$single_commit} {
3489        .mbar.repository add command -label {Compress Database} \
3490                -command do_gc \
3491                -font font_ui
3492
3493        .mbar.repository add command -label {Verify Database} \
3494                -command do_fsck_objects \
3495                -font font_ui
3496
3497        .mbar.repository add separator
3498
3499        if {[is_Windows]} {
3500                .mbar.repository add command \
3501                        -label {Create Desktop Icon} \
3502                        -command do_windows_shortcut \
3503                        -font font_ui
3504        } elseif {[is_MacOSX]} {
3505                .mbar.repository add command \
3506                        -label {Create Desktop Icon} \
3507                        -command do_macosx_app \
3508                        -font font_ui
3509        }
3510}
3511
3512.mbar.repository add command -label Quit \
3513        -command do_quit \
3514        -accelerator $M1T-Q \
3515        -font font_ui
3516
3517# -- Edit Menu
3518#
3519menu .mbar.edit
3520.mbar.edit add command -label Undo \
3521        -command {catch {[focus] edit undo}} \
3522        -accelerator $M1T-Z \
3523        -font font_ui
3524.mbar.edit add command -label Redo \
3525        -command {catch {[focus] edit redo}} \
3526        -accelerator $M1T-Y \
3527        -font font_ui
3528.mbar.edit add separator
3529.mbar.edit add command -label Cut \
3530        -command {catch {tk_textCut [focus]}} \
3531        -accelerator $M1T-X \
3532        -font font_ui
3533.mbar.edit add command -label Copy \
3534        -command {catch {tk_textCopy [focus]}} \
3535        -accelerator $M1T-C \
3536        -font font_ui
3537.mbar.edit add command -label Paste \
3538        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3539        -accelerator $M1T-V \
3540        -font font_ui
3541.mbar.edit add command -label Delete \
3542        -command {catch {[focus] delete sel.first sel.last}} \
3543        -accelerator Del \
3544        -font font_ui
3545.mbar.edit add separator
3546.mbar.edit add command -label {Select All} \
3547        -command {catch {[focus] tag add sel 0.0 end}} \
3548        -accelerator $M1T-A \
3549        -font font_ui
3550
3551# -- Branch Menu
3552#
3553if {!$single_commit} {
3554        menu .mbar.branch
3555
3556        .mbar.branch add command -label {Create...} \
3557                -command do_create_branch \
3558                -accelerator $M1T-N \
3559                -font font_ui
3560        lappend disable_on_lock [list .mbar.branch entryconf \
3561                [.mbar.branch index last] -state]
3562
3563        .mbar.branch add command -label {Delete...} \
3564                -command do_delete_branch \
3565                -font font_ui
3566        lappend disable_on_lock [list .mbar.branch entryconf \
3567                [.mbar.branch index last] -state]
3568}
3569
3570# -- Commit Menu
3571#
3572menu .mbar.commit
3573
3574.mbar.commit add radiobutton \
3575        -label {New Commit} \
3576        -command do_select_commit_type \
3577        -variable selected_commit_type \
3578        -value new \
3579        -font font_ui
3580lappend disable_on_lock \
3581        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3582
3583.mbar.commit add radiobutton \
3584        -label {Amend Last Commit} \
3585        -command do_select_commit_type \
3586        -variable selected_commit_type \
3587        -value amend \
3588        -font font_ui
3589lappend disable_on_lock \
3590        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3591
3592.mbar.commit add separator
3593
3594.mbar.commit add command -label Rescan \
3595        -command do_rescan \
3596        -accelerator F5 \
3597        -font font_ui
3598lappend disable_on_lock \
3599        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3600
3601.mbar.commit add command -label {Add To Commit} \
3602        -command do_add_selection \
3603        -font font_ui
3604lappend disable_on_lock \
3605        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3606
3607.mbar.commit add command -label {Add All To Commit} \
3608        -command do_add_all \
3609        -accelerator $M1T-I \
3610        -font font_ui
3611lappend disable_on_lock \
3612        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3613
3614.mbar.commit add command -label {Unstage From Commit} \
3615        -command do_unstage_selection \
3616        -font font_ui
3617lappend disable_on_lock \
3618        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3619
3620.mbar.commit add command -label {Revert Changes} \
3621        -command do_revert_selection \
3622        -font font_ui
3623lappend disable_on_lock \
3624        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3625
3626.mbar.commit add separator
3627
3628.mbar.commit add command -label {Sign Off} \
3629        -command do_signoff \
3630        -accelerator $M1T-S \
3631        -font font_ui
3632
3633.mbar.commit add command -label Commit \
3634        -command do_commit \
3635        -accelerator $M1T-Return \
3636        -font font_ui
3637lappend disable_on_lock \
3638        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3639
3640# -- Transport menus
3641#
3642if {!$single_commit} {
3643        menu .mbar.fetch
3644        menu .mbar.pull
3645        menu .mbar.push
3646}
3647
3648if {[is_MacOSX]} {
3649        # -- Apple Menu (Mac OS X only)
3650        #
3651        .mbar add cascade -label Apple -menu .mbar.apple
3652        menu .mbar.apple
3653
3654        .mbar.apple add command -label "About [appname]" \
3655                -command do_about \
3656                -font font_ui
3657        .mbar.apple add command -label "[appname] Options..." \
3658                -command do_options \
3659                -font font_ui
3660} else {
3661        # -- Edit Menu
3662        #
3663        .mbar.edit add separator
3664        .mbar.edit add command -label {Options...} \
3665                -command do_options \
3666                -font font_ui
3667
3668        # -- Tools Menu
3669        #
3670        if {[file exists /usr/local/miga/lib/gui-miga]
3671                && [file exists .pvcsrc]} {
3672        proc do_miga {} {
3673                global ui_status_value
3674                if {![lock_index update]} return
3675                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3676                set miga_fd [open "|$cmd" r]
3677                fconfigure $miga_fd -blocking 0
3678                fileevent $miga_fd readable [list miga_done $miga_fd]
3679                set ui_status_value {Running miga...}
3680        }
3681        proc miga_done {fd} {
3682                read $fd 512
3683                if {[eof $fd]} {
3684                        close $fd
3685                        unlock_index
3686                        rescan [list set ui_status_value {Ready.}]
3687                }
3688        }
3689        .mbar add cascade -label Tools -menu .mbar.tools
3690        menu .mbar.tools
3691        .mbar.tools add command -label "Migrate" \
3692                -command do_miga \
3693                -font font_ui
3694        lappend disable_on_lock \
3695                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3696        }
3697
3698        # -- Help Menu
3699        #
3700        .mbar add cascade -label Help -menu .mbar.help
3701        menu .mbar.help
3702
3703        .mbar.help add command -label "About [appname]" \
3704                -command do_about \
3705                -font font_ui
3706}
3707
3708
3709# -- Branch Control
3710#
3711frame .branch \
3712        -borderwidth 1 \
3713        -relief sunken
3714label .branch.l1 \
3715        -text {Current Branch:} \
3716        -anchor w \
3717        -justify left \
3718        -font font_ui
3719label .branch.cb \
3720        -textvariable current_branch \
3721        -anchor w \
3722        -justify left \
3723        -font font_ui
3724pack .branch.l1 -side left
3725pack .branch.cb -side left -fill x
3726pack .branch -side top -fill x
3727
3728# -- Main Window Layout
3729#
3730panedwindow .vpane -orient vertical
3731panedwindow .vpane.files -orient horizontal
3732.vpane add .vpane.files -sticky nsew -height 100 -width 200
3733pack .vpane -anchor n -side top -fill both -expand 1
3734
3735# -- Index File List
3736#
3737frame .vpane.files.index -height 100 -width 200
3738label .vpane.files.index.title -text {Changes To Be Committed} \
3739        -background green \
3740        -font font_ui
3741text $ui_index -background white -borderwidth 0 \
3742        -width 20 -height 10 \
3743        -wrap none \
3744        -font font_ui \
3745        -cursor $cursor_ptr \
3746        -xscrollcommand {.vpane.files.index.sx set} \
3747        -yscrollcommand {.vpane.files.index.sy set} \
3748        -state disabled
3749scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3750scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3751pack .vpane.files.index.title -side top -fill x
3752pack .vpane.files.index.sx -side bottom -fill x
3753pack .vpane.files.index.sy -side right -fill y
3754pack $ui_index -side left -fill both -expand 1
3755.vpane.files add .vpane.files.index -sticky nsew
3756
3757# -- Working Directory File List
3758#
3759frame .vpane.files.workdir -height 100 -width 200
3760label .vpane.files.workdir.title -text {Changed But Not Updated} \
3761        -background red \
3762        -font font_ui
3763text $ui_workdir -background white -borderwidth 0 \
3764        -width 20 -height 10 \
3765        -wrap none \
3766        -font font_ui \
3767        -cursor $cursor_ptr \
3768        -xscrollcommand {.vpane.files.workdir.sx set} \
3769        -yscrollcommand {.vpane.files.workdir.sy set} \
3770        -state disabled
3771scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3772scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3773pack .vpane.files.workdir.title -side top -fill x
3774pack .vpane.files.workdir.sx -side bottom -fill x
3775pack .vpane.files.workdir.sy -side right -fill y
3776pack $ui_workdir -side left -fill both -expand 1
3777.vpane.files add .vpane.files.workdir -sticky nsew
3778
3779foreach i [list $ui_index $ui_workdir] {
3780        $i tag conf in_diff -font font_uibold
3781        $i tag conf in_sel \
3782                -background [$i cget -foreground] \
3783                -foreground [$i cget -background]
3784}
3785unset i
3786
3787# -- Diff and Commit Area
3788#
3789frame .vpane.lower -height 300 -width 400
3790frame .vpane.lower.commarea
3791frame .vpane.lower.diff -relief sunken -borderwidth 1
3792pack .vpane.lower.commarea -side top -fill x
3793pack .vpane.lower.diff -side bottom -fill both -expand 1
3794.vpane add .vpane.lower -stick nsew
3795
3796# -- Commit Area Buttons
3797#
3798frame .vpane.lower.commarea.buttons
3799label .vpane.lower.commarea.buttons.l -text {} \
3800        -anchor w \
3801        -justify left \
3802        -font font_ui
3803pack .vpane.lower.commarea.buttons.l -side top -fill x
3804pack .vpane.lower.commarea.buttons -side left -fill y
3805
3806button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3807        -command do_rescan \
3808        -font font_ui
3809pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3810lappend disable_on_lock \
3811        {.vpane.lower.commarea.buttons.rescan conf -state}
3812
3813button .vpane.lower.commarea.buttons.incall -text {Add All} \
3814        -command do_add_all \
3815        -font font_ui
3816pack .vpane.lower.commarea.buttons.incall -side top -fill x
3817lappend disable_on_lock \
3818        {.vpane.lower.commarea.buttons.incall conf -state}
3819
3820button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3821        -command do_signoff \
3822        -font font_ui
3823pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3824
3825button .vpane.lower.commarea.buttons.commit -text {Commit} \
3826        -command do_commit \
3827        -font font_ui
3828pack .vpane.lower.commarea.buttons.commit -side top -fill x
3829lappend disable_on_lock \
3830        {.vpane.lower.commarea.buttons.commit conf -state}
3831
3832# -- Commit Message Buffer
3833#
3834frame .vpane.lower.commarea.buffer
3835frame .vpane.lower.commarea.buffer.header
3836set ui_comm .vpane.lower.commarea.buffer.t
3837set ui_coml .vpane.lower.commarea.buffer.header.l
3838radiobutton .vpane.lower.commarea.buffer.header.new \
3839        -text {New Commit} \
3840        -command do_select_commit_type \
3841        -variable selected_commit_type \
3842        -value new \
3843        -font font_ui
3844lappend disable_on_lock \
3845        [list .vpane.lower.commarea.buffer.header.new conf -state]
3846radiobutton .vpane.lower.commarea.buffer.header.amend \
3847        -text {Amend Last Commit} \
3848        -command do_select_commit_type \
3849        -variable selected_commit_type \
3850        -value amend \
3851        -font font_ui
3852lappend disable_on_lock \
3853        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3854label $ui_coml \
3855        -anchor w \
3856        -justify left \
3857        -font font_ui
3858proc trace_commit_type {varname args} {
3859        global ui_coml commit_type
3860        switch -glob -- $commit_type {
3861        initial       {set txt {Initial Commit Message:}}
3862        amend         {set txt {Amended Commit Message:}}
3863        amend-initial {set txt {Amended Initial Commit Message:}}
3864        amend-merge   {set txt {Amended Merge Commit Message:}}
3865        merge         {set txt {Merge Commit Message:}}
3866        *             {set txt {Commit Message:}}
3867        }
3868        $ui_coml conf -text $txt
3869}
3870trace add variable commit_type write trace_commit_type
3871pack $ui_coml -side left -fill x
3872pack .vpane.lower.commarea.buffer.header.amend -side right
3873pack .vpane.lower.commarea.buffer.header.new -side right
3874
3875text $ui_comm -background white -borderwidth 1 \
3876        -undo true \
3877        -maxundo 20 \
3878        -autoseparators true \
3879        -relief sunken \
3880        -width 75 -height 9 -wrap none \
3881        -font font_diff \
3882        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3883scrollbar .vpane.lower.commarea.buffer.sby \
3884        -command [list $ui_comm yview]
3885pack .vpane.lower.commarea.buffer.header -side top -fill x
3886pack .vpane.lower.commarea.buffer.sby -side right -fill y
3887pack $ui_comm -side left -fill y
3888pack .vpane.lower.commarea.buffer -side left -fill y
3889
3890# -- Commit Message Buffer Context Menu
3891#
3892set ctxm .vpane.lower.commarea.buffer.ctxm
3893menu $ctxm -tearoff 0
3894$ctxm add command \
3895        -label {Cut} \
3896        -font font_ui \
3897        -command {tk_textCut $ui_comm}
3898$ctxm add command \
3899        -label {Copy} \
3900        -font font_ui \
3901        -command {tk_textCopy $ui_comm}
3902$ctxm add command \
3903        -label {Paste} \
3904        -font font_ui \
3905        -command {tk_textPaste $ui_comm}
3906$ctxm add command \
3907        -label {Delete} \
3908        -font font_ui \
3909        -command {$ui_comm delete sel.first sel.last}
3910$ctxm add separator
3911$ctxm add command \
3912        -label {Select All} \
3913        -font font_ui \
3914        -command {$ui_comm tag add sel 0.0 end}
3915$ctxm add command \
3916        -label {Copy All} \
3917        -font font_ui \
3918        -command {
3919                $ui_comm tag add sel 0.0 end
3920                tk_textCopy $ui_comm
3921                $ui_comm tag remove sel 0.0 end
3922        }
3923$ctxm add separator
3924$ctxm add command \
3925        -label {Sign Off} \
3926        -font font_ui \
3927        -command do_signoff
3928bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3929
3930# -- Diff Header
3931#
3932set current_diff_path {}
3933set diff_actions [list]
3934proc trace_current_diff_path {varname args} {
3935        global current_diff_path diff_actions file_states
3936        if {$current_diff_path eq {}} {
3937                set s {}
3938                set f {}
3939                set p {}
3940                set o disabled
3941        } else {
3942                set p $current_diff_path
3943                set s [mapdesc [lindex $file_states($p) 0] $p]
3944                set f {File:}
3945                set p [escape_path $p]
3946                set o normal
3947        }
3948
3949        .vpane.lower.diff.header.status configure -text $s
3950        .vpane.lower.diff.header.file configure -text $f
3951        .vpane.lower.diff.header.path configure -text $p
3952        foreach w $diff_actions {
3953                uplevel #0 $w $o
3954        }
3955}
3956trace add variable current_diff_path write trace_current_diff_path
3957
3958frame .vpane.lower.diff.header -background orange
3959label .vpane.lower.diff.header.status \
3960        -background orange \
3961        -width $max_status_desc \
3962        -anchor w \
3963        -justify left \
3964        -font font_ui
3965label .vpane.lower.diff.header.file \
3966        -background orange \
3967        -anchor w \
3968        -justify left \
3969        -font font_ui
3970label .vpane.lower.diff.header.path \
3971        -background orange \
3972        -anchor w \
3973        -justify left \
3974        -font font_ui
3975pack .vpane.lower.diff.header.status -side left
3976pack .vpane.lower.diff.header.file -side left
3977pack .vpane.lower.diff.header.path -fill x
3978set ctxm .vpane.lower.diff.header.ctxm
3979menu $ctxm -tearoff 0
3980$ctxm add command \
3981        -label {Copy} \
3982        -font font_ui \
3983        -command {
3984                clipboard clear
3985                clipboard append \
3986                        -format STRING \
3987                        -type STRING \
3988                        -- $current_diff_path
3989        }
3990lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3991bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3992
3993# -- Diff Body
3994#
3995frame .vpane.lower.diff.body
3996set ui_diff .vpane.lower.diff.body.t
3997text $ui_diff -background white -borderwidth 0 \
3998        -width 80 -height 15 -wrap none \
3999        -font font_diff \
4000        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
4001        -yscrollcommand {.vpane.lower.diff.body.sby set} \
4002        -state disabled
4003scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
4004        -command [list $ui_diff xview]
4005scrollbar .vpane.lower.diff.body.sby -orient vertical \
4006        -command [list $ui_diff yview]
4007pack .vpane.lower.diff.body.sbx -side bottom -fill x
4008pack .vpane.lower.diff.body.sby -side right -fill y
4009pack $ui_diff -side left -fill both -expand 1
4010pack .vpane.lower.diff.header -side top -fill x
4011pack .vpane.lower.diff.body -side bottom -fill both -expand 1
4012
4013$ui_diff tag conf d_@ -foreground blue -font font_diffbold
4014$ui_diff tag conf d_+ -foreground {#00a000}
4015$ui_diff tag conf d_- -foreground red
4016
4017$ui_diff tag conf d_++ -foreground {#00a000}
4018$ui_diff tag conf d_-- -foreground red
4019$ui_diff tag conf d_+s \
4020        -foreground {#00a000} \
4021        -background {#e2effa}
4022$ui_diff tag conf d_-s \
4023        -foreground red \
4024        -background {#e2effa}
4025$ui_diff tag conf d_s+ \
4026        -foreground {#00a000} \
4027        -background ivory1
4028$ui_diff tag conf d_s- \
4029        -foreground red \
4030        -background ivory1
4031
4032$ui_diff tag conf d<<<<<<< \
4033        -foreground orange \
4034        -font font_diffbold
4035$ui_diff tag conf d======= \
4036        -foreground orange \
4037        -font font_diffbold
4038$ui_diff tag conf d>>>>>>> \
4039        -foreground orange \
4040        -font font_diffbold
4041
4042$ui_diff tag raise sel
4043
4044# -- Diff Body Context Menu
4045#
4046set ctxm .vpane.lower.diff.body.ctxm
4047menu $ctxm -tearoff 0
4048$ctxm add command \
4049        -label {Refresh} \
4050        -font font_ui \
4051        -command reshow_diff
4052$ctxm add command \
4053        -label {Copy} \
4054        -font font_ui \
4055        -command {tk_textCopy $ui_diff}
4056lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4057$ctxm add command \
4058        -label {Select All} \
4059        -font font_ui \
4060        -command {$ui_diff tag add sel 0.0 end}
4061lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4062$ctxm add command \
4063        -label {Copy All} \
4064        -font font_ui \
4065        -command {
4066                $ui_diff tag add sel 0.0 end
4067                tk_textCopy $ui_diff
4068                $ui_diff tag remove sel 0.0 end
4069        }
4070lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4071$ctxm add separator
4072$ctxm add command \
4073        -label {Decrease Font Size} \
4074        -font font_ui \
4075        -command {incr_font_size font_diff -1}
4076lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4077$ctxm add command \
4078        -label {Increase Font Size} \
4079        -font font_ui \
4080        -command {incr_font_size font_diff 1}
4081lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4082$ctxm add separator
4083$ctxm add command \
4084        -label {Show Less Context} \
4085        -font font_ui \
4086        -command {if {$repo_config(gui.diffcontext) >= 2} {
4087                incr repo_config(gui.diffcontext) -1
4088                reshow_diff
4089        }}
4090lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4091$ctxm add command \
4092        -label {Show More Context} \
4093        -font font_ui \
4094        -command {
4095                incr repo_config(gui.diffcontext)
4096                reshow_diff
4097        }
4098lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4099$ctxm add separator
4100$ctxm add command -label {Options...} \
4101        -font font_ui \
4102        -command do_options
4103bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
4104
4105# -- Status Bar
4106#
4107set ui_status_value {Initializing...}
4108label .status -textvariable ui_status_value \
4109        -anchor w \
4110        -justify left \
4111        -borderwidth 1 \
4112        -relief sunken \
4113        -font font_ui
4114pack .status -anchor w -side bottom -fill x
4115
4116# -- Load geometry
4117#
4118catch {
4119set gm $repo_config(gui.geometry)
4120wm geometry . [lindex $gm 0]
4121.vpane sash place 0 \
4122        [lindex [.vpane sash coord 0] 0] \
4123        [lindex $gm 1]
4124.vpane.files sash place 0 \
4125        [lindex $gm 2] \
4126        [lindex [.vpane.files sash coord 0] 1]
4127unset gm
4128}
4129
4130# -- Key Bindings
4131#
4132bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4133bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4134bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4135bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4136bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4137bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4138bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4139bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4140bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4141bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4142bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4143
4144bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4145bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4146bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4147bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4148bind $ui_diff <$M1B-Key-v> {break}
4149bind $ui_diff <$M1B-Key-V> {break}
4150bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4151bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4152bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4153bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4154bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4155bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4156
4157if {!$single_commit} {
4158        bind . <$M1B-Key-n> do_create_branch
4159        bind . <$M1B-Key-N> do_create_branch
4160}
4161
4162bind .   <Destroy> do_quit
4163bind all <Key-F5> do_rescan
4164bind all <$M1B-Key-r> do_rescan
4165bind all <$M1B-Key-R> do_rescan
4166bind .   <$M1B-Key-s> do_signoff
4167bind .   <$M1B-Key-S> do_signoff
4168bind .   <$M1B-Key-i> do_add_all
4169bind .   <$M1B-Key-I> do_add_all
4170bind .   <$M1B-Key-Return> do_commit
4171bind all <$M1B-Key-q> do_quit
4172bind all <$M1B-Key-Q> do_quit
4173bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4174bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4175foreach i [list $ui_index $ui_workdir] {
4176        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4177        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4178        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4179}
4180unset i
4181
4182set file_lists($ui_index) [list]
4183set file_lists($ui_workdir) [list]
4184
4185set HEAD {}
4186set PARENT {}
4187set MERGE_HEAD [list]
4188set commit_type {}
4189set empty_tree {}
4190set current_branch {}
4191set current_diff_path {}
4192set selected_commit_type new
4193
4194wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4195focus -force $ui_comm
4196
4197# -- Warn the user about environmental problems.  Cygwin's Tcl
4198#    does *not* pass its env array onto any processes it spawns.
4199#    This means that git processes get none of our environment.
4200#
4201if {[is_Windows]} {
4202        set ignored_env 0
4203        set suggest_user {}
4204        set msg "Possible environment issues exist.
4205
4206The following environment variables are probably
4207going to be ignored by any Git subprocess run
4208by [appname]:
4209
4210"
4211        foreach name [array names env] {
4212                switch -regexp -- $name {
4213                {^GIT_INDEX_FILE$} -
4214                {^GIT_OBJECT_DIRECTORY$} -
4215                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4216                {^GIT_DIFF_OPTS$} -
4217                {^GIT_EXTERNAL_DIFF$} -
4218                {^GIT_PAGER$} -
4219                {^GIT_TRACE$} -
4220                {^GIT_CONFIG$} -
4221                {^GIT_CONFIG_LOCAL$} -
4222                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4223                        append msg " - $name\n"
4224                        incr ignored_env
4225                }
4226                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4227                        append msg " - $name\n"
4228                        incr ignored_env
4229                        set suggest_user $name
4230                }
4231                }
4232        }
4233        if {$ignored_env > 0} {
4234                append msg "
4235This is due to a known issue with the
4236Tcl binary distributed by Cygwin."
4237
4238                if {$suggest_user ne {}} {
4239                        append msg "
4240
4241A good replacement for $suggest_user
4242is placing values for the user.name and
4243user.email settings into your personal
4244~/.gitconfig file.
4245"
4246                }
4247                warn_popup $msg
4248        }
4249        unset ignored_env msg suggest_user name
4250}
4251
4252# -- Only initialize complex UI if we are going to stay running.
4253#
4254if {!$single_commit} {
4255        load_all_remotes
4256        load_all_heads
4257
4258        populate_branch_menu
4259        populate_fetch_menu .mbar.fetch
4260        populate_pull_menu .mbar.pull
4261        populate_push_menu .mbar.push
4262}
4263
4264# -- Only suggest a gc run if we are going to stay running.
4265#
4266if {!$single_commit} {
4267        set object_limit 2000
4268        if {[is_Windows]} {set object_limit 200}
4269        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4270        if {$objects_current >= $object_limit} {
4271                if {[ask_popup \
4272                        "This repository currently has $objects_current loose objects.
4273
4274To maintain optimal performance it is strongly
4275recommended that you compress the database
4276when more than $object_limit loose objects exist.
4277
4278Compress the database now?"] eq yes} {
4279                        do_gc
4280                }
4281        }
4282        unset object_limit _junk objects_current
4283}
4284
4285lock_index begin-read
4286after 1 do_rescan