54204aee782681674cd005f5c38a7dbe14b45026
   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                        || [string match {new file *} $line]
 708                        || [string match {deleted file *} $line]
 709                        || $line eq {\ No newline at end of file}
 710                        || [regexp {^\* Unmerged path } $line]} {
 711                        set tags {}
 712                } elseif {$is_3way_diff} {
 713                        set op [string range $line 0 1]
 714                        switch -- $op {
 715                        {  } {set tags {}}
 716                        {@@} {set tags d_@}
 717                        { +} {set tags d_s+}
 718                        { -} {set tags d_s-}
 719                        {+ } {set tags d_+s}
 720                        {- } {set tags d_-s}
 721                        {--} {set tags d_--}
 722                        {++} {
 723                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 724                                        set line [string replace $line 0 1 {  }]
 725                                        set tags d$op
 726                                } else {
 727                                        set tags d_++
 728                                }
 729                        }
 730                        default {
 731                                puts "error: Unhandled 3 way diff marker: {$op}"
 732                                set tags {}
 733                        }
 734                        }
 735                } else {
 736                        set op [string index $line 0]
 737                        switch -- $op {
 738                        { } {set tags {}}
 739                        {@} {set tags d_@}
 740                        {-} {set tags d_-}
 741                        {+} {
 742                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 743                                        set line [string replace $line 0 0 { }]
 744                                        set tags d$op
 745                                } else {
 746                                        set tags d_+
 747                                }
 748                        }
 749                        default {
 750                                puts "error: Unhandled 2 way diff marker: {$op}"
 751                                set tags {}
 752                        }
 753                        }
 754                }
 755                $ui_diff insert end $line $tags
 756                $ui_diff insert end "\n" $tags
 757        }
 758        $ui_diff conf -state disabled
 759
 760        if {[eof $fd]} {
 761                close $fd
 762                set diff_active 0
 763                unlock_index
 764                set ui_status_value {Ready.}
 765
 766                if {$repo_config(gui.trustmtime) eq {true}
 767                        && [$ui_diff index end] eq {2.0}} {
 768                        handle_empty_diff
 769                }
 770        }
 771}
 772
 773######################################################################
 774##
 775## commit
 776
 777proc load_last_commit {} {
 778        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 779
 780        if {[llength $PARENT] == 0} {
 781                error_popup {There is nothing to amend.
 782
 783You are about to create the initial commit.
 784There is no commit before this to amend.
 785}
 786                return
 787        }
 788
 789        repository_state curType curHEAD curMERGE_HEAD
 790        if {$curType eq {merge}} {
 791                error_popup {Cannot amend while merging.
 792
 793You are currently in the middle of a merge that
 794has not been fully completed.  You cannot amend
 795the prior commit unless you first abort the
 796current merge activity.
 797}
 798                return
 799        }
 800
 801        set msg {}
 802        set parents [list]
 803        if {[catch {
 804                        set fd [open "| git cat-file commit $curHEAD" r]
 805                        while {[gets $fd line] > 0} {
 806                                if {[string match {parent *} $line]} {
 807                                        lappend parents [string range $line 7 end]
 808                                }
 809                        }
 810                        set msg [string trim [read $fd]]
 811                        close $fd
 812                } err]} {
 813                error_popup "Error loading commit data for amend:\n\n$err"
 814                return
 815        }
 816
 817        set HEAD $curHEAD
 818        set PARENT $parents
 819        set MERGE_HEAD [list]
 820        switch -- [llength $parents] {
 821        0       {set commit_type amend-initial}
 822        1       {set commit_type amend}
 823        default {set commit_type amend-merge}
 824        }
 825
 826        $ui_comm delete 0.0 end
 827        $ui_comm insert end $msg
 828        $ui_comm edit reset
 829        $ui_comm edit modified false
 830        rescan {set ui_status_value {Ready.}}
 831}
 832
 833proc create_new_commit {} {
 834        global commit_type ui_comm
 835
 836        set commit_type normal
 837        $ui_comm delete 0.0 end
 838        $ui_comm edit reset
 839        $ui_comm edit modified false
 840        rescan {set ui_status_value {Ready.}}
 841}
 842
 843set GIT_COMMITTER_IDENT {}
 844
 845proc committer_ident {} {
 846        global GIT_COMMITTER_IDENT
 847
 848        if {$GIT_COMMITTER_IDENT eq {}} {
 849                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 850                        error_popup "Unable to obtain your identity:\n\n$err"
 851                        return {}
 852                }
 853                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 854                        $me me GIT_COMMITTER_IDENT]} {
 855                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 856                        return {}
 857                }
 858        }
 859
 860        return $GIT_COMMITTER_IDENT
 861}
 862
 863proc commit_tree {} {
 864        global HEAD commit_type file_states ui_comm repo_config
 865        global ui_status_value pch_error
 866
 867        if {![lock_index update]} return
 868        if {[committer_ident] eq {}} return
 869
 870        # -- Our in memory state should match the repository.
 871        #
 872        repository_state curType curHEAD curMERGE_HEAD
 873        if {[string match amend* $commit_type]
 874                && $curType eq {normal}
 875                && $curHEAD eq $HEAD} {
 876        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 877                info_popup {Last scanned state does not match repository state.
 878
 879Another Git program has modified this repository
 880since the last scan.  A rescan must be performed
 881before another commit can be created.
 882
 883The rescan will be automatically started now.
 884}
 885                unlock_index
 886                rescan {set ui_status_value {Ready.}}
 887                return
 888        }
 889
 890        # -- At least one file should differ in the index.
 891        #
 892        set files_ready 0
 893        foreach path [array names file_states] {
 894                switch -glob -- [lindex $file_states($path) 0] {
 895                _? {continue}
 896                A? -
 897                D? -
 898                M? {set files_ready 1}
 899                U? {
 900                        error_popup "Unmerged files cannot be committed.
 901
 902File [short_path $path] has merge conflicts.
 903You must resolve them and add the file before committing.
 904"
 905                        unlock_index
 906                        return
 907                }
 908                default {
 909                        error_popup "Unknown file state [lindex $s 0] detected.
 910
 911File [short_path $path] cannot be committed by this program.
 912"
 913                }
 914                }
 915        }
 916        if {!$files_ready} {
 917                info_popup {No changes to commit.
 918
 919You must add at least 1 file before you can commit.
 920}
 921                unlock_index
 922                return
 923        }
 924
 925        # -- A message is required.
 926        #
 927        set msg [string trim [$ui_comm get 1.0 end]]
 928        if {$msg eq {}} {
 929                error_popup {Please supply a commit message.
 930
 931A good commit message has the following format:
 932
 933- First line: Describe in one sentance what you did.
 934- Second line: Blank
 935- Remaining lines: Describe why this change is good.
 936}
 937                unlock_index
 938                return
 939        }
 940
 941        # -- Run the pre-commit hook.
 942        #
 943        set pchook [gitdir hooks pre-commit]
 944
 945        # On Cygwin [file executable] might lie so we need to ask
 946        # the shell if the hook is executable.  Yes that's annoying.
 947        #
 948        if {[is_Windows] && [file isfile $pchook]} {
 949                set pchook [list sh -c [concat \
 950                        "if test -x \"$pchook\";" \
 951                        "then exec \"$pchook\" 2>&1;" \
 952                        "fi"]]
 953        } elseif {[file executable $pchook]} {
 954                set pchook [list $pchook |& cat]
 955        } else {
 956                commit_writetree $curHEAD $msg
 957                return
 958        }
 959
 960        set ui_status_value {Calling pre-commit hook...}
 961        set pch_error {}
 962        set fd_ph [open "| $pchook" r]
 963        fconfigure $fd_ph -blocking 0 -translation binary
 964        fileevent $fd_ph readable \
 965                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 966}
 967
 968proc commit_prehook_wait {fd_ph curHEAD msg} {
 969        global pch_error ui_status_value
 970
 971        append pch_error [read $fd_ph]
 972        fconfigure $fd_ph -blocking 1
 973        if {[eof $fd_ph]} {
 974                if {[catch {close $fd_ph}]} {
 975                        set ui_status_value {Commit declined by pre-commit hook.}
 976                        hook_failed_popup pre-commit $pch_error
 977                        unlock_index
 978                } else {
 979                        commit_writetree $curHEAD $msg
 980                }
 981                set pch_error {}
 982                return
 983        }
 984        fconfigure $fd_ph -blocking 0
 985}
 986
 987proc commit_writetree {curHEAD msg} {
 988        global ui_status_value
 989
 990        set ui_status_value {Committing changes...}
 991        set fd_wt [open "| git write-tree" r]
 992        fileevent $fd_wt readable \
 993                [list commit_committree $fd_wt $curHEAD $msg]
 994}
 995
 996proc commit_committree {fd_wt curHEAD msg} {
 997        global HEAD PARENT MERGE_HEAD commit_type
 998        global single_commit all_heads current_branch
 999        global ui_status_value ui_comm selected_commit_type
1000        global file_states selected_paths rescan_active
1001
1002        gets $fd_wt tree_id
1003        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1004                error_popup "write-tree failed:\n\n$err"
1005                set ui_status_value {Commit failed.}
1006                unlock_index
1007                return
1008        }
1009
1010        # -- Create the commit.
1011        #
1012        set cmd [list git commit-tree $tree_id]
1013        set parents [concat $PARENT $MERGE_HEAD]
1014        if {[llength $parents] > 0} {
1015                foreach p $parents {
1016                        lappend cmd -p $p
1017                }
1018        } else {
1019                # git commit-tree writes to stderr during initial commit.
1020                lappend cmd 2>/dev/null
1021        }
1022        lappend cmd << $msg
1023        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1024                error_popup "commit-tree failed:\n\n$err"
1025                set ui_status_value {Commit failed.}
1026                unlock_index
1027                return
1028        }
1029
1030        # -- Update the HEAD ref.
1031        #
1032        set reflogm commit
1033        if {$commit_type ne {normal}} {
1034                append reflogm " ($commit_type)"
1035        }
1036        set i [string first "\n" $msg]
1037        if {$i >= 0} {
1038                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1039        } else {
1040                append reflogm {: } $msg
1041        }
1042        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1043        if {[catch {eval exec $cmd} err]} {
1044                error_popup "update-ref failed:\n\n$err"
1045                set ui_status_value {Commit failed.}
1046                unlock_index
1047                return
1048        }
1049
1050        # -- Make sure our current branch exists.
1051        #
1052        if {$commit_type eq {initial}} {
1053                lappend all_heads $current_branch
1054                set all_heads [lsort -unique $all_heads]
1055                populate_branch_menu
1056        }
1057
1058        # -- Cleanup after ourselves.
1059        #
1060        catch {file delete [gitdir MERGE_HEAD]}
1061        catch {file delete [gitdir MERGE_MSG]}
1062        catch {file delete [gitdir SQUASH_MSG]}
1063        catch {file delete [gitdir GITGUI_MSG]}
1064
1065        # -- Let rerere do its thing.
1066        #
1067        if {[file isdirectory [gitdir rr-cache]]} {
1068                catch {exec git rerere}
1069        }
1070
1071        # -- Run the post-commit hook.
1072        #
1073        set pchook [gitdir hooks post-commit]
1074        if {[is_Windows] && [file isfile $pchook]} {
1075                set pchook [list sh -c [concat \
1076                        "if test -x \"$pchook\";" \
1077                        "then exec \"$pchook\";" \
1078                        "fi"]]
1079        } elseif {![file executable $pchook]} {
1080                set pchook {}
1081        }
1082        if {$pchook ne {}} {
1083                catch {exec $pchook &}
1084        }
1085
1086        $ui_comm delete 0.0 end
1087        $ui_comm edit reset
1088        $ui_comm edit modified false
1089
1090        if {$single_commit} do_quit
1091
1092        # -- Update in memory status
1093        #
1094        set selected_commit_type new
1095        set commit_type normal
1096        set HEAD $cmt_id
1097        set PARENT $cmt_id
1098        set MERGE_HEAD [list]
1099
1100        foreach path [array names file_states] {
1101                set s $file_states($path)
1102                set m [lindex $s 0]
1103                switch -glob -- $m {
1104                _O -
1105                _M -
1106                _D {continue}
1107                __ -
1108                A_ -
1109                M_ -
1110                D_ {
1111                        unset file_states($path)
1112                        catch {unset selected_paths($path)}
1113                }
1114                DO {
1115                        set file_states($path) [list _O [lindex $s 1] {} {}]
1116                }
1117                AM -
1118                AD -
1119                MM -
1120                MD {
1121                        set file_states($path) [list \
1122                                _[string index $m 1] \
1123                                [lindex $s 1] \
1124                                [lindex $s 3] \
1125                                {}]
1126                }
1127                }
1128        }
1129
1130        display_all_files
1131        unlock_index
1132        reshow_diff
1133        set ui_status_value \
1134                "Changes committed as [string range $cmt_id 0 7]."
1135}
1136
1137######################################################################
1138##
1139## fetch pull push
1140
1141proc fetch_from {remote} {
1142        set w [new_console "fetch $remote" \
1143                "Fetching new changes from $remote"]
1144        set cmd [list git fetch]
1145        lappend cmd $remote
1146        console_exec $w $cmd
1147}
1148
1149proc pull_remote {remote branch} {
1150        global HEAD commit_type file_states repo_config
1151
1152        if {![lock_index update]} return
1153
1154        # -- Our in memory state should match the repository.
1155        #
1156        repository_state curType curHEAD curMERGE_HEAD
1157        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1158                info_popup {Last scanned state does not match repository state.
1159
1160Another Git program has modified this repository
1161since the last scan.  A rescan must be performed
1162before a pull operation can be started.
1163
1164The rescan will be automatically started now.
1165}
1166                unlock_index
1167                rescan {set ui_status_value {Ready.}}
1168                return
1169        }
1170
1171        # -- No differences should exist before a pull.
1172        #
1173        if {[array size file_states] != 0} {
1174                error_popup {Uncommitted but modified files are present.
1175
1176You should not perform a pull with unmodified
1177files in your working directory as Git will be
1178unable to recover from an incorrect merge.
1179
1180You should commit or revert all changes before
1181starting a pull operation.
1182}
1183                unlock_index
1184                return
1185        }
1186
1187        set w [new_console "pull $remote $branch" \
1188                "Pulling new changes from branch $branch in $remote"]
1189        set cmd [list git pull]
1190        if {$repo_config(gui.pullsummary) eq {false}} {
1191                lappend cmd --no-summary
1192        }
1193        lappend cmd $remote
1194        lappend cmd $branch
1195        console_exec $w $cmd [list post_pull_remote $remote $branch]
1196}
1197
1198proc post_pull_remote {remote branch success} {
1199        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1200        global ui_status_value
1201
1202        unlock_index
1203        if {$success} {
1204                repository_state commit_type HEAD MERGE_HEAD
1205                set PARENT $HEAD
1206                set selected_commit_type new
1207                set ui_status_value "Pulling $branch from $remote complete."
1208        } else {
1209                rescan [list set ui_status_value \
1210                        "Conflicts detected while pulling $branch from $remote."]
1211        }
1212}
1213
1214proc push_to {remote} {
1215        set w [new_console "push $remote" \
1216                "Pushing changes to $remote"]
1217        set cmd [list git push]
1218        lappend cmd $remote
1219        console_exec $w $cmd
1220}
1221
1222######################################################################
1223##
1224## ui helpers
1225
1226proc mapicon {w state path} {
1227        global all_icons
1228
1229        if {[catch {set r $all_icons($state$w)}]} {
1230                puts "error: no icon for $w state={$state} $path"
1231                return file_plain
1232        }
1233        return $r
1234}
1235
1236proc mapdesc {state path} {
1237        global all_descs
1238
1239        if {[catch {set r $all_descs($state)}]} {
1240                puts "error: no desc for state={$state} $path"
1241                return $state
1242        }
1243        return $r
1244}
1245
1246proc escape_path {path} {
1247        regsub -all "\n" $path "\\n" path
1248        return $path
1249}
1250
1251proc short_path {path} {
1252        return [escape_path [lindex [file split $path] end]]
1253}
1254
1255set next_icon_id 0
1256set null_sha1 [string repeat 0 40]
1257
1258proc merge_state {path new_state {head_info {}} {index_info {}}} {
1259        global file_states next_icon_id null_sha1
1260
1261        set s0 [string index $new_state 0]
1262        set s1 [string index $new_state 1]
1263
1264        if {[catch {set info $file_states($path)}]} {
1265                set state __
1266                set icon n[incr next_icon_id]
1267        } else {
1268                set state [lindex $info 0]
1269                set icon [lindex $info 1]
1270                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1271                if {$index_info eq {}} {set index_info [lindex $info 3]}
1272        }
1273
1274        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1275        elseif {$s0 eq {_}} {set s0 _}
1276
1277        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1278        elseif {$s1 eq {_}} {set s1 _}
1279
1280        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1281                set head_info [list 0 $null_sha1]
1282        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1283                && $head_info eq {}} {
1284                set head_info $index_info
1285        }
1286
1287        set file_states($path) [list $s0$s1 $icon \
1288                $head_info $index_info \
1289                ]
1290        return $state
1291}
1292
1293proc display_file_helper {w path icon_name old_m new_m} {
1294        global file_lists
1295
1296        if {$new_m eq {_}} {
1297                set lno [lsearch -sorted $file_lists($w) $path]
1298                if {$lno >= 0} {
1299                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1300                        incr lno
1301                        $w conf -state normal
1302                        $w delete $lno.0 [expr {$lno + 1}].0
1303                        $w conf -state disabled
1304                }
1305        } elseif {$old_m eq {_} && $new_m ne {_}} {
1306                lappend file_lists($w) $path
1307                set file_lists($w) [lsort -unique $file_lists($w)]
1308                set lno [lsearch -sorted $file_lists($w) $path]
1309                incr lno
1310                $w conf -state normal
1311                $w image create $lno.0 \
1312                        -align center -padx 5 -pady 1 \
1313                        -name $icon_name \
1314                        -image [mapicon $w $new_m $path]
1315                $w insert $lno.1 "[escape_path $path]\n"
1316                $w conf -state disabled
1317        } elseif {$old_m ne $new_m} {
1318                $w conf -state normal
1319                $w image conf $icon_name -image [mapicon $w $new_m $path]
1320                $w conf -state disabled
1321        }
1322}
1323
1324proc display_file {path state} {
1325        global file_states selected_paths
1326        global ui_index ui_workdir
1327
1328        set old_m [merge_state $path $state]
1329        set s $file_states($path)
1330        set new_m [lindex $s 0]
1331        set icon_name [lindex $s 1]
1332
1333        set o [string index $old_m 0]
1334        set n [string index $new_m 0]
1335        if {$o eq {U}} {
1336                set o _
1337        }
1338        if {$n eq {U}} {
1339                set n _
1340        }
1341        display_file_helper     $ui_index $path $icon_name $o $n
1342
1343        if {[string index $old_m 0] eq {U}} {
1344                set o U
1345        } else {
1346                set o [string index $old_m 1]
1347        }
1348        if {[string index $new_m 0] eq {U}} {
1349                set n U
1350        } else {
1351                set n [string index $new_m 1]
1352        }
1353        display_file_helper     $ui_workdir $path $icon_name $o $n
1354
1355        if {$new_m eq {__}} {
1356                unset file_states($path)
1357                catch {unset selected_paths($path)}
1358        }
1359}
1360
1361proc display_all_files_helper {w path icon_name m} {
1362        global file_lists
1363
1364        lappend file_lists($w) $path
1365        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1366        $w image create end \
1367                -align center -padx 5 -pady 1 \
1368                -name $icon_name \
1369                -image [mapicon $w $m $path]
1370        $w insert end "[escape_path $path]\n"
1371}
1372
1373proc display_all_files {} {
1374        global ui_index ui_workdir
1375        global file_states file_lists
1376        global last_clicked
1377
1378        $ui_index conf -state normal
1379        $ui_workdir conf -state normal
1380
1381        $ui_index delete 0.0 end
1382        $ui_workdir delete 0.0 end
1383        set last_clicked {}
1384
1385        set file_lists($ui_index) [list]
1386        set file_lists($ui_workdir) [list]
1387
1388        foreach path [lsort [array names file_states]] {
1389                set s $file_states($path)
1390                set m [lindex $s 0]
1391                set icon_name [lindex $s 1]
1392
1393                set s [string index $m 0]
1394                if {$s ne {U} && $s ne {_}} {
1395                        display_all_files_helper $ui_index $path \
1396                                $icon_name $s
1397                }
1398
1399                if {[string index $m 0] eq {U}} {
1400                        set s U
1401                } else {
1402                        set s [string index $m 1]
1403                }
1404                if {$s ne {_}} {
1405                        display_all_files_helper $ui_workdir $path \
1406                                $icon_name $s
1407                }
1408        }
1409
1410        $ui_index conf -state disabled
1411        $ui_workdir conf -state disabled
1412}
1413
1414proc update_indexinfo {msg pathList after} {
1415        global update_index_cp ui_status_value
1416
1417        if {![lock_index update]} return
1418
1419        set update_index_cp 0
1420        set pathList [lsort $pathList]
1421        set totalCnt [llength $pathList]
1422        set batch [expr {int($totalCnt * .01) + 1}]
1423        if {$batch > 25} {set batch 25}
1424
1425        set ui_status_value [format \
1426                "$msg... %i/%i files (%.2f%%)" \
1427                $update_index_cp \
1428                $totalCnt \
1429                0.0]
1430        set fd [open "| git update-index -z --index-info" w]
1431        fconfigure $fd \
1432                -blocking 0 \
1433                -buffering full \
1434                -buffersize 512 \
1435                -translation binary
1436        fileevent $fd writable [list \
1437                write_update_indexinfo \
1438                $fd \
1439                $pathList \
1440                $totalCnt \
1441                $batch \
1442                $msg \
1443                $after \
1444                ]
1445}
1446
1447proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1448        global update_index_cp ui_status_value
1449        global file_states current_diff_path
1450
1451        if {$update_index_cp >= $totalCnt} {
1452                close $fd
1453                unlock_index
1454                uplevel #0 $after
1455                return
1456        }
1457
1458        for {set i $batch} \
1459                {$update_index_cp < $totalCnt && $i > 0} \
1460                {incr i -1} {
1461                set path [lindex $pathList $update_index_cp]
1462                incr update_index_cp
1463
1464                set s $file_states($path)
1465                switch -glob -- [lindex $s 0] {
1466                A? {set new _O}
1467                M? {set new _M}
1468                D_ {set new _D}
1469                D? {set new _?}
1470                ?? {continue}
1471                }
1472                set info [lindex $s 2]
1473                if {$info eq {}} continue
1474
1475                puts -nonewline $fd "$info\t$path\0"
1476                display_file $path $new
1477        }
1478
1479        set ui_status_value [format \
1480                "$msg... %i/%i files (%.2f%%)" \
1481                $update_index_cp \
1482                $totalCnt \
1483                [expr {100.0 * $update_index_cp / $totalCnt}]]
1484}
1485
1486proc update_index {msg pathList after} {
1487        global update_index_cp ui_status_value
1488
1489        if {![lock_index update]} return
1490
1491        set update_index_cp 0
1492        set pathList [lsort $pathList]
1493        set totalCnt [llength $pathList]
1494        set batch [expr {int($totalCnt * .01) + 1}]
1495        if {$batch > 25} {set batch 25}
1496
1497        set ui_status_value [format \
1498                "$msg... %i/%i files (%.2f%%)" \
1499                $update_index_cp \
1500                $totalCnt \
1501                0.0]
1502        set fd [open "| git update-index --add --remove -z --stdin" w]
1503        fconfigure $fd \
1504                -blocking 0 \
1505                -buffering full \
1506                -buffersize 512 \
1507                -translation binary
1508        fileevent $fd writable [list \
1509                write_update_index \
1510                $fd \
1511                $pathList \
1512                $totalCnt \
1513                $batch \
1514                $msg \
1515                $after \
1516                ]
1517}
1518
1519proc write_update_index {fd pathList totalCnt batch msg after} {
1520        global update_index_cp ui_status_value
1521        global file_states current_diff_path
1522
1523        if {$update_index_cp >= $totalCnt} {
1524                close $fd
1525                unlock_index
1526                uplevel #0 $after
1527                return
1528        }
1529
1530        for {set i $batch} \
1531                {$update_index_cp < $totalCnt && $i > 0} \
1532                {incr i -1} {
1533                set path [lindex $pathList $update_index_cp]
1534                incr update_index_cp
1535
1536                switch -glob -- [lindex $file_states($path) 0] {
1537                AD {set new __}
1538                ?D {set new D_}
1539                _O -
1540                AM {set new A_}
1541                U? {
1542                        if {[file exists $path]} {
1543                                set new M_
1544                        } else {
1545                                set new D_
1546                        }
1547                }
1548                ?M {set new M_}
1549                ?? {continue}
1550                }
1551                puts -nonewline $fd "$path\0"
1552                display_file $path $new
1553        }
1554
1555        set ui_status_value [format \
1556                "$msg... %i/%i files (%.2f%%)" \
1557                $update_index_cp \
1558                $totalCnt \
1559                [expr {100.0 * $update_index_cp / $totalCnt}]]
1560}
1561
1562proc checkout_index {msg pathList after} {
1563        global update_index_cp ui_status_value
1564
1565        if {![lock_index update]} return
1566
1567        set update_index_cp 0
1568        set pathList [lsort $pathList]
1569        set totalCnt [llength $pathList]
1570        set batch [expr {int($totalCnt * .01) + 1}]
1571        if {$batch > 25} {set batch 25}
1572
1573        set ui_status_value [format \
1574                "$msg... %i/%i files (%.2f%%)" \
1575                $update_index_cp \
1576                $totalCnt \
1577                0.0]
1578        set cmd [list git checkout-index]
1579        lappend cmd --index
1580        lappend cmd --quiet
1581        lappend cmd --force
1582        lappend cmd -z
1583        lappend cmd --stdin
1584        set fd [open "| $cmd " w]
1585        fconfigure $fd \
1586                -blocking 0 \
1587                -buffering full \
1588                -buffersize 512 \
1589                -translation binary
1590        fileevent $fd writable [list \
1591                write_checkout_index \
1592                $fd \
1593                $pathList \
1594                $totalCnt \
1595                $batch \
1596                $msg \
1597                $after \
1598                ]
1599}
1600
1601proc write_checkout_index {fd pathList totalCnt batch msg after} {
1602        global update_index_cp ui_status_value
1603        global file_states current_diff_path
1604
1605        if {$update_index_cp >= $totalCnt} {
1606                close $fd
1607                unlock_index
1608                uplevel #0 $after
1609                return
1610        }
1611
1612        for {set i $batch} \
1613                {$update_index_cp < $totalCnt && $i > 0} \
1614                {incr i -1} {
1615                set path [lindex $pathList $update_index_cp]
1616                incr update_index_cp
1617                switch -glob -- [lindex $file_states($path) 0] {
1618                U? {continue}
1619                ?M -
1620                ?D {
1621                        puts -nonewline $fd "$path\0"
1622                        display_file $path ?_
1623                }
1624                }
1625        }
1626
1627        set ui_status_value [format \
1628                "$msg... %i/%i files (%.2f%%)" \
1629                $update_index_cp \
1630                $totalCnt \
1631                [expr {100.0 * $update_index_cp / $totalCnt}]]
1632}
1633
1634######################################################################
1635##
1636## branch management
1637
1638proc is_tracking_branch {name} {
1639        global tracking_branches
1640
1641        if {![catch {set info $tracking_branches($name)}]} {
1642                return 1
1643        }
1644        foreach t [array names tracking_branches] {
1645                if {[string match {*/\*} $t] && [string match $t $name]} {
1646                        return 1
1647                }
1648        }
1649        return 0
1650}
1651
1652proc load_all_heads {} {
1653        global all_heads
1654
1655        set all_heads [list]
1656        set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
1657        while {[gets $fd line] > 0} {
1658                if {[is_tracking_branch $line]} continue
1659                if {![regsub ^refs/heads/ $line {} name]} continue
1660                lappend all_heads $name
1661        }
1662        close $fd
1663
1664        set all_heads [lsort $all_heads]
1665}
1666
1667proc populate_branch_menu {} {
1668        global all_heads disable_on_lock
1669
1670        set m .mbar.branch
1671        set last [$m index last]
1672        for {set i 0} {$i <= $last} {incr i} {
1673                if {[$m type $i] eq {separator}} {
1674                        $m delete $i last
1675                        set new_dol [list]
1676                        foreach a $disable_on_lock {
1677                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1678                                        lappend new_dol $a
1679                                }
1680                        }
1681                        set disable_on_lock $new_dol
1682                        break
1683                }
1684        }
1685
1686        $m add separator
1687        foreach b $all_heads {
1688                $m add radiobutton \
1689                        -label $b \
1690                        -command [list switch_branch $b] \
1691                        -variable current_branch \
1692                        -value $b \
1693                        -font font_ui
1694                lappend disable_on_lock \
1695                        [list $m entryconf [$m index last] -state]
1696        }
1697}
1698
1699proc all_tracking_branches {} {
1700        global tracking_branches
1701
1702        set all_trackings {}
1703        set cmd {}
1704        foreach name [array names tracking_branches] {
1705                if {[regsub {/\*$} $name {} name]} {
1706                        lappend cmd $name
1707                } else {
1708                        regsub ^refs/(heads|remotes)/ $name {} name
1709                        lappend all_trackings $name
1710                }
1711        }
1712
1713        if {$cmd ne {}} {
1714                set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
1715                while {[gets $fd name] > 0} {
1716                        regsub ^refs/(heads|remotes)/ $name {} name
1717                        lappend all_trackings $name
1718                }
1719                close $fd
1720        }
1721
1722        return [lsort -unique $all_trackings]
1723}
1724
1725proc do_create_branch_action {w} {
1726        global all_heads null_sha1 repo_config
1727        global create_branch_checkout create_branch_revtype
1728        global create_branch_head create_branch_trackinghead
1729
1730        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1731        if {$newbranch eq {}
1732                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
1733                tk_messageBox \
1734                        -icon error \
1735                        -type ok \
1736                        -title [wm title $w] \
1737                        -parent $w \
1738                        -message "Please supply a branch name."
1739                focus $w.desc.name_t
1740                return
1741        }
1742        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1743                tk_messageBox \
1744                        -icon error \
1745                        -type ok \
1746                        -title [wm title $w] \
1747                        -parent $w \
1748                        -message "Branch '$newbranch' already exists."
1749                focus $w.desc.name_t
1750                return
1751        }
1752        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1753                tk_messageBox \
1754                        -icon error \
1755                        -type ok \
1756                        -title [wm title $w] \
1757                        -parent $w \
1758                        -message "We do not like '$newbranch' as a branch name."
1759                focus $w.desc.name_t
1760                return
1761        }
1762
1763        set rev {}
1764        switch -- $create_branch_revtype {
1765        head {set rev $create_branch_head}
1766        tracking {set rev $create_branch_trackinghead}
1767        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1768        }
1769        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1770                tk_messageBox \
1771                        -icon error \
1772                        -type ok \
1773                        -title [wm title $w] \
1774                        -parent $w \
1775                        -message "Invalid starting revision: $rev"
1776                return
1777        }
1778        set cmd [list git update-ref]
1779        lappend cmd -m
1780        lappend cmd "branch: Created from $rev"
1781        lappend cmd "refs/heads/$newbranch"
1782        lappend cmd $cmt
1783        lappend cmd $null_sha1
1784        if {[catch {eval exec $cmd} err]} {
1785                tk_messageBox \
1786                        -icon error \
1787                        -type ok \
1788                        -title [wm title $w] \
1789                        -parent $w \
1790                        -message "Failed to create '$newbranch'.\n\n$err"
1791                return
1792        }
1793
1794        lappend all_heads $newbranch
1795        set all_heads [lsort $all_heads]
1796        populate_branch_menu
1797        destroy $w
1798        if {$create_branch_checkout} {
1799                switch_branch $newbranch
1800        }
1801}
1802
1803proc radio_selector {varname value args} {
1804        upvar #0 $varname var
1805        set var $value
1806}
1807
1808trace add variable create_branch_head write \
1809        [list radio_selector create_branch_revtype head]
1810trace add variable create_branch_trackinghead write \
1811        [list radio_selector create_branch_revtype tracking]
1812
1813trace add variable delete_branch_head write \
1814        [list radio_selector delete_branch_checktype head]
1815trace add variable delete_branch_trackinghead write \
1816        [list radio_selector delete_branch_checktype tracking]
1817
1818proc do_create_branch {} {
1819        global all_heads current_branch repo_config
1820        global create_branch_checkout create_branch_revtype
1821        global create_branch_head create_branch_trackinghead
1822
1823        set w .branch_editor
1824        toplevel $w
1825        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1826
1827        label $w.header -text {Create New Branch} \
1828                -font font_uibold
1829        pack $w.header -side top -fill x
1830
1831        frame $w.buttons
1832        button $w.buttons.create -text Create \
1833                -font font_ui \
1834                -default active \
1835                -command [list do_create_branch_action $w]
1836        pack $w.buttons.create -side right
1837        button $w.buttons.cancel -text {Cancel} \
1838                -font font_ui \
1839                -command [list destroy $w]
1840        pack $w.buttons.cancel -side right -padx 5
1841        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1842
1843        labelframe $w.desc \
1844                -text {Branch Description} \
1845                -font font_ui
1846        label $w.desc.name_l -text {Name:} -font font_ui
1847        text $w.desc.name_t \
1848                -borderwidth 1 \
1849                -relief sunken \
1850                -height 1 \
1851                -width 40 \
1852                -font font_ui
1853        $w.desc.name_t insert 0.0 $repo_config(gui.newbranchtemplate)
1854        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1855        bind $w.desc.name_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
1856        bind $w.desc.name_t <Key-Tab> {focus [tk_focusNext %W];break}
1857        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1858        bind $w.desc.name_t <Key> {
1859                if {{%K} ne {BackSpace}
1860                        && {%K} ne {Tab}
1861                        && {%K} ne {Escape}
1862                        && {%K} ne {Return}} {
1863                        if {%k <= 32} break
1864                        if {[string first %A {~^:?*[}] >= 0} break
1865                }
1866        }
1867        grid columnconfigure $w.desc 1 -weight 1
1868        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1869
1870        labelframe $w.from \
1871                -text {Starting Revision} \
1872                -font font_ui
1873        radiobutton $w.from.head_r \
1874                -text {Local Branch:} \
1875                -value head \
1876                -variable create_branch_revtype \
1877                -font font_ui
1878        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1879        grid $w.from.head_r $w.from.head_m -sticky w
1880        set all_trackings [all_tracking_branches]
1881        if {$all_trackings ne {}} {
1882                set create_branch_trackinghead [lindex $all_trackings 0]
1883                radiobutton $w.from.tracking_r \
1884                        -text {Tracking Branch:} \
1885                        -value tracking \
1886                        -variable create_branch_revtype \
1887                        -font font_ui
1888                eval tk_optionMenu $w.from.tracking_m \
1889                        create_branch_trackinghead \
1890                        $all_trackings
1891                grid $w.from.tracking_r $w.from.tracking_m -sticky w
1892        }
1893        radiobutton $w.from.exp_r \
1894                -text {Revision Expression:} \
1895                -value expression \
1896                -variable create_branch_revtype \
1897                -font font_ui
1898        text $w.from.exp_t \
1899                -borderwidth 1 \
1900                -relief sunken \
1901                -height 1 \
1902                -width 50 \
1903                -font font_ui
1904        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1905        bind $w.from.exp_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
1906        bind $w.from.exp_t <Key-Tab> {focus [tk_focusNext %W];break}
1907        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1908        bind $w.from.exp_t <Key-space> break
1909        bind $w.from.exp_t <Key> {set create_branch_revtype expression}
1910        grid columnconfigure $w.from 1 -weight 1
1911        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1912
1913        labelframe $w.postActions \
1914                -text {Post Creation Actions} \
1915                -font font_ui
1916        checkbutton $w.postActions.checkout \
1917                -text {Checkout after creation} \
1918                -variable create_branch_checkout \
1919                -font font_ui
1920        pack $w.postActions.checkout -anchor nw
1921        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1922
1923        set create_branch_checkout 1
1924        set create_branch_head $current_branch
1925        set create_branch_revtype head
1926
1927        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1928        bind $w <Key-Escape> "destroy $w"
1929        bind $w <Key-Return> "do_create_branch_action $w;break"
1930        wm title $w "[appname] ([reponame]): Create Branch"
1931        tkwait window $w
1932}
1933
1934proc do_delete_branch_action {w} {
1935        global all_heads
1936        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1937
1938        set check_rev {}
1939        switch -- $delete_branch_checktype {
1940        head {set check_rev $delete_branch_head}
1941        tracking {set check_rev $delete_branch_trackinghead}
1942        always {set check_rev {:none}}
1943        }
1944        if {$check_rev eq {:none}} {
1945                set check_cmt {}
1946        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
1947                tk_messageBox \
1948                        -icon error \
1949                        -type ok \
1950                        -title [wm title $w] \
1951                        -parent $w \
1952                        -message "Invalid check revision: $check_rev"
1953                return
1954        }
1955
1956        set to_delete [list]
1957        set not_merged [list]
1958        foreach i [$w.list.l curselection] {
1959                set b [$w.list.l get $i]
1960                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1961                if {$check_cmt ne {}} {
1962                        if {$b eq $check_rev} continue
1963                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
1964                        if {$o ne $m} {
1965                                lappend not_merged $b
1966                                continue
1967                        }
1968                }
1969                lappend to_delete [list $b $o]
1970        }
1971        if {$not_merged ne {}} {
1972                set msg "The following branches are not completely merged into $check_rev:
1973
1974 - [join $not_merged "\n - "]"
1975                tk_messageBox \
1976                        -icon info \
1977                        -type ok \
1978                        -title [wm title $w] \
1979                        -parent $w \
1980                        -message $msg
1981        }
1982        if {$to_delete eq {}} return
1983        if {$delete_branch_checktype eq {always}} {
1984                set msg {Recovering deleted branches is difficult.
1985
1986Delete the selected branches?}
1987                if {[tk_messageBox \
1988                        -icon warning \
1989                        -type yesno \
1990                        -title [wm title $w] \
1991                        -parent $w \
1992                        -message $msg] ne yes} {
1993                        return
1994                }
1995        }
1996
1997        set failed {}
1998        foreach i $to_delete {
1999                set b [lindex $i 0]
2000                set o [lindex $i 1]
2001                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
2002                        append failed " - $b: $err\n"
2003                } else {
2004                        set x [lsearch -sorted $all_heads $b]
2005                        if {$x >= 0} {
2006                                set all_heads [lreplace $all_heads $x $x]
2007                        }
2008                }
2009        }
2010
2011        if {$failed ne {}} {
2012                tk_messageBox \
2013                        -icon error \
2014                        -type ok \
2015                        -title [wm title $w] \
2016                        -parent $w \
2017                        -message "Failed to delete branches:\n$failed"
2018        }
2019
2020        set all_heads [lsort $all_heads]
2021        populate_branch_menu
2022        destroy $w
2023}
2024
2025proc do_delete_branch {} {
2026        global all_heads tracking_branches current_branch
2027        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2028
2029        set w .branch_editor
2030        toplevel $w
2031        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2032
2033        label $w.header -text {Delete Local Branch} \
2034                -font font_uibold
2035        pack $w.header -side top -fill x
2036
2037        frame $w.buttons
2038        button $w.buttons.create -text Delete \
2039                -font font_ui \
2040                -command [list do_delete_branch_action $w]
2041        pack $w.buttons.create -side right
2042        button $w.buttons.cancel -text {Cancel} \
2043                -font font_ui \
2044                -command [list destroy $w]
2045        pack $w.buttons.cancel -side right -padx 5
2046        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2047
2048        labelframe $w.list \
2049                -text {Local Branches} \
2050                -font font_ui
2051        listbox $w.list.l \
2052                -height 10 \
2053                -width 50 \
2054                -selectmode extended \
2055                -font font_ui
2056        foreach h $all_heads {
2057                if {$h ne $current_branch} {
2058                        $w.list.l insert end $h
2059                }
2060        }
2061        pack $w.list.l -fill both -pady 5 -padx 5
2062        pack $w.list -fill both -pady 5 -padx 5
2063
2064        labelframe $w.validate \
2065                -text {Delete Only If} \
2066                -font font_ui
2067        radiobutton $w.validate.head_r \
2068                -text {Merged Into Local Branch:} \
2069                -value head \
2070                -variable delete_branch_checktype \
2071                -font font_ui
2072        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2073        grid $w.validate.head_r $w.validate.head_m -sticky w
2074        set all_trackings [all_tracking_branches]
2075        if {$all_trackings ne {}} {
2076                set delete_branch_trackinghead [lindex $all_trackings 0]
2077                radiobutton $w.validate.tracking_r \
2078                        -text {Merged Into Tracking Branch:} \
2079                        -value tracking \
2080                        -variable delete_branch_checktype \
2081                        -font font_ui
2082                eval tk_optionMenu $w.validate.tracking_m \
2083                        delete_branch_trackinghead \
2084                        $all_trackings
2085                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2086        }
2087        radiobutton $w.validate.always_r \
2088                -text {Always (Do not perform merge checks)} \
2089                -value always \
2090                -variable delete_branch_checktype \
2091                -font font_ui
2092        grid $w.validate.always_r -columnspan 2 -sticky w
2093        grid columnconfigure $w.validate 1 -weight 1
2094        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2095
2096        set delete_branch_head $current_branch
2097        set delete_branch_checktype head
2098
2099        bind $w <Visibility> "grab $w; focus $w"
2100        bind $w <Key-Escape> "destroy $w"
2101        wm title $w "[appname] ([reponame]): Delete Branch"
2102        tkwait window $w
2103}
2104
2105proc switch_branch {b} {
2106        global HEAD commit_type file_states current_branch
2107        global selected_commit_type ui_comm
2108
2109        if {![lock_index switch]} return
2110
2111        # -- Backup the selected branch (repository_state resets it)
2112        #
2113        set new_branch $current_branch
2114
2115        # -- Our in memory state should match the repository.
2116        #
2117        repository_state curType curHEAD curMERGE_HEAD
2118        if {[string match amend* $commit_type]
2119                && $curType eq {normal}
2120                && $curHEAD eq $HEAD} {
2121        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2122                info_popup {Last scanned state does not match repository state.
2123
2124Another Git program has modified this repository
2125since the last scan.  A rescan must be performed
2126before the current branch can be changed.
2127
2128The rescan will be automatically started now.
2129}
2130                unlock_index
2131                rescan {set ui_status_value {Ready.}}
2132                return
2133        }
2134
2135        # -- Toss the message buffer if we are in amend mode.
2136        #
2137        if {[string match amend* $curType]} {
2138                $ui_comm delete 0.0 end
2139                $ui_comm edit reset
2140                $ui_comm edit modified false
2141        }
2142
2143        set selected_commit_type new
2144        set current_branch $new_branch
2145
2146        unlock_index
2147        error "NOT FINISHED"
2148}
2149
2150######################################################################
2151##
2152## remote management
2153
2154proc load_all_remotes {} {
2155        global repo_config
2156        global all_remotes tracking_branches
2157
2158        set all_remotes [list]
2159        array unset tracking_branches
2160
2161        set rm_dir [gitdir remotes]
2162        if {[file isdirectory $rm_dir]} {
2163                set all_remotes [glob \
2164                        -types f \
2165                        -tails \
2166                        -nocomplain \
2167                        -directory $rm_dir *]
2168
2169                foreach name $all_remotes {
2170                        catch {
2171                                set fd [open [file join $rm_dir $name] r]
2172                                while {[gets $fd line] >= 0} {
2173                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2174                                                $line line src dst]} continue
2175                                        if {![regexp ^refs/ $dst]} {
2176                                                set dst "refs/heads/$dst"
2177                                        }
2178                                        set tracking_branches($dst) [list $name $src]
2179                                }
2180                                close $fd
2181                        }
2182                }
2183        }
2184
2185        foreach line [array names repo_config remote.*.url] {
2186                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2187                lappend all_remotes $name
2188
2189                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2190                        set fl {}
2191                }
2192                foreach line $fl {
2193                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2194                        if {![regexp ^refs/ $dst]} {
2195                                set dst "refs/heads/$dst"
2196                        }
2197                        set tracking_branches($dst) [list $name $src]
2198                }
2199        }
2200
2201        set all_remotes [lsort -unique $all_remotes]
2202}
2203
2204proc populate_fetch_menu {m} {
2205        global all_remotes repo_config
2206
2207        foreach r $all_remotes {
2208                set enable 0
2209                if {![catch {set a $repo_config(remote.$r.url)}]} {
2210                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2211                                set enable 1
2212                        }
2213                } else {
2214                        catch {
2215                                set fd [open [gitdir remotes $r] r]
2216                                while {[gets $fd n] >= 0} {
2217                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2218                                                set enable 1
2219                                                break
2220                                        }
2221                                }
2222                                close $fd
2223                        }
2224                }
2225
2226                if {$enable} {
2227                        $m add command \
2228                                -label "Fetch from $r..." \
2229                                -command [list fetch_from $r] \
2230                                -font font_ui
2231                }
2232        }
2233}
2234
2235proc populate_push_menu {m} {
2236        global all_remotes repo_config
2237
2238        foreach r $all_remotes {
2239                set enable 0
2240                if {![catch {set a $repo_config(remote.$r.url)}]} {
2241                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2242                                set enable 1
2243                        }
2244                } else {
2245                        catch {
2246                                set fd [open [gitdir remotes $r] r]
2247                                while {[gets $fd n] >= 0} {
2248                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2249                                                set enable 1
2250                                                break
2251                                        }
2252                                }
2253                                close $fd
2254                        }
2255                }
2256
2257                if {$enable} {
2258                        $m add command \
2259                                -label "Push to $r..." \
2260                                -command [list push_to $r] \
2261                                -font font_ui
2262                }
2263        }
2264}
2265
2266proc populate_pull_menu {m} {
2267        global repo_config all_remotes disable_on_lock
2268
2269        foreach remote $all_remotes {
2270                set rb_list [list]
2271                if {[array get repo_config remote.$remote.url] ne {}} {
2272                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2273                                foreach line $repo_config(remote.$remote.fetch) {
2274                                        if {[regexp {^([^:]+):} $line line rb]} {
2275                                                lappend rb_list $rb
2276                                        }
2277                                }
2278                        }
2279                } else {
2280                        catch {
2281                                set fd [open [gitdir remotes $remote] r]
2282                                while {[gets $fd line] >= 0} {
2283                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2284                                                lappend rb_list $rb
2285                                        }
2286                                }
2287                                close $fd
2288                        }
2289                }
2290
2291                foreach rb $rb_list {
2292                        regsub ^refs/heads/ $rb {} rb_short
2293                        $m add command \
2294                                -label "Branch $rb_short from $remote..." \
2295                                -command [list pull_remote $remote $rb] \
2296                                -font font_ui
2297                        lappend disable_on_lock \
2298                                [list $m entryconf [$m index last] -state]
2299                }
2300        }
2301}
2302
2303######################################################################
2304##
2305## icons
2306
2307set filemask {
2308#define mask_width 14
2309#define mask_height 15
2310static unsigned char mask_bits[] = {
2311   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2312   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2313   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2314}
2315
2316image create bitmap file_plain -background white -foreground black -data {
2317#define plain_width 14
2318#define plain_height 15
2319static unsigned char plain_bits[] = {
2320   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2321   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2322   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2323} -maskdata $filemask
2324
2325image create bitmap file_mod -background white -foreground blue -data {
2326#define mod_width 14
2327#define mod_height 15
2328static unsigned char mod_bits[] = {
2329   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2330   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2331   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2332} -maskdata $filemask
2333
2334image create bitmap file_fulltick -background white -foreground "#007000" -data {
2335#define file_fulltick_width 14
2336#define file_fulltick_height 15
2337static unsigned char file_fulltick_bits[] = {
2338   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2339   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2340   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2341} -maskdata $filemask
2342
2343image create bitmap file_parttick -background white -foreground "#005050" -data {
2344#define parttick_width 14
2345#define parttick_height 15
2346static unsigned char parttick_bits[] = {
2347   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2348   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2349   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2350} -maskdata $filemask
2351
2352image create bitmap file_question -background white -foreground black -data {
2353#define file_question_width 14
2354#define file_question_height 15
2355static unsigned char file_question_bits[] = {
2356   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2357   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2358   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2359} -maskdata $filemask
2360
2361image create bitmap file_removed -background white -foreground red -data {
2362#define file_removed_width 14
2363#define file_removed_height 15
2364static unsigned char file_removed_bits[] = {
2365   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2366   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2367   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2368} -maskdata $filemask
2369
2370image create bitmap file_merge -background white -foreground blue -data {
2371#define file_merge_width 14
2372#define file_merge_height 15
2373static unsigned char file_merge_bits[] = {
2374   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2375   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2376   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2377} -maskdata $filemask
2378
2379set ui_index .vpane.files.index.list
2380set ui_workdir .vpane.files.workdir.list
2381
2382set all_icons(_$ui_index)   file_plain
2383set all_icons(A$ui_index)   file_fulltick
2384set all_icons(M$ui_index)   file_fulltick
2385set all_icons(D$ui_index)   file_removed
2386set all_icons(U$ui_index)   file_merge
2387
2388set all_icons(_$ui_workdir) file_plain
2389set all_icons(M$ui_workdir) file_mod
2390set all_icons(D$ui_workdir) file_question
2391set all_icons(U$ui_workdir) file_merge
2392set all_icons(O$ui_workdir) file_plain
2393
2394set max_status_desc 0
2395foreach i {
2396                {__ "Unmodified"}
2397
2398                {_M "Modified, not staged"}
2399                {M_ "Staged for commit"}
2400                {MM "Portions staged for commit"}
2401                {MD "Staged for commit, missing"}
2402
2403                {_O "Untracked, not staged"}
2404                {A_ "Staged for commit"}
2405                {AM "Portions staged for commit"}
2406                {AD "Staged for commit, missing"}
2407
2408                {_D "Missing"}
2409                {D_ "Staged for removal"}
2410                {DO "Staged for removal, still present"}
2411
2412                {U_ "Requires merge resolution"}
2413                {UU "Requires merge resolution"}
2414                {UM "Requires merge resolution"}
2415                {UD "Requires merge resolution"}
2416        } {
2417        if {$max_status_desc < [string length [lindex $i 1]]} {
2418                set max_status_desc [string length [lindex $i 1]]
2419        }
2420        set all_descs([lindex $i 0]) [lindex $i 1]
2421}
2422unset i
2423
2424######################################################################
2425##
2426## util
2427
2428proc is_MacOSX {} {
2429        global tcl_platform tk_library
2430        if {[tk windowingsystem] eq {aqua}} {
2431                return 1
2432        }
2433        return 0
2434}
2435
2436proc is_Windows {} {
2437        global tcl_platform
2438        if {$tcl_platform(platform) eq {windows}} {
2439                return 1
2440        }
2441        return 0
2442}
2443
2444proc bind_button3 {w cmd} {
2445        bind $w <Any-Button-3> $cmd
2446        if {[is_MacOSX]} {
2447                bind $w <Control-Button-1> $cmd
2448        }
2449}
2450
2451proc incr_font_size {font {amt 1}} {
2452        set sz [font configure $font -size]
2453        incr sz $amt
2454        font configure $font -size $sz
2455        font configure ${font}bold -size $sz
2456}
2457
2458proc hook_failed_popup {hook msg} {
2459        set w .hookfail
2460        toplevel $w
2461
2462        frame $w.m
2463        label $w.m.l1 -text "$hook hook failed:" \
2464                -anchor w \
2465                -justify left \
2466                -font font_uibold
2467        text $w.m.t \
2468                -background white -borderwidth 1 \
2469                -relief sunken \
2470                -width 80 -height 10 \
2471                -font font_diff \
2472                -yscrollcommand [list $w.m.sby set]
2473        label $w.m.l2 \
2474                -text {You must correct the above errors before committing.} \
2475                -anchor w \
2476                -justify left \
2477                -font font_uibold
2478        scrollbar $w.m.sby -command [list $w.m.t yview]
2479        pack $w.m.l1 -side top -fill x
2480        pack $w.m.l2 -side bottom -fill x
2481        pack $w.m.sby -side right -fill y
2482        pack $w.m.t -side left -fill both -expand 1
2483        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2484
2485        $w.m.t insert 1.0 $msg
2486        $w.m.t conf -state disabled
2487
2488        button $w.ok -text OK \
2489                -width 15 \
2490                -font font_ui \
2491                -command "destroy $w"
2492        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2493
2494        bind $w <Visibility> "grab $w; focus $w"
2495        bind $w <Key-Return> "destroy $w"
2496        wm title $w "[appname] ([reponame]): error"
2497        tkwait window $w
2498}
2499
2500set next_console_id 0
2501
2502proc new_console {short_title long_title} {
2503        global next_console_id console_data
2504        set w .console[incr next_console_id]
2505        set console_data($w) [list $short_title $long_title]
2506        return [console_init $w]
2507}
2508
2509proc console_init {w} {
2510        global console_cr console_data M1B
2511
2512        set console_cr($w) 1.0
2513        toplevel $w
2514        frame $w.m
2515        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2516                -anchor w \
2517                -justify left \
2518                -font font_uibold
2519        text $w.m.t \
2520                -background white -borderwidth 1 \
2521                -relief sunken \
2522                -width 80 -height 10 \
2523                -font font_diff \
2524                -state disabled \
2525                -yscrollcommand [list $w.m.sby set]
2526        label $w.m.s -text {Working... please wait...} \
2527                -anchor w \
2528                -justify left \
2529                -font font_uibold
2530        scrollbar $w.m.sby -command [list $w.m.t yview]
2531        pack $w.m.l1 -side top -fill x
2532        pack $w.m.s -side bottom -fill x
2533        pack $w.m.sby -side right -fill y
2534        pack $w.m.t -side left -fill both -expand 1
2535        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2536
2537        menu $w.ctxm -tearoff 0
2538        $w.ctxm add command -label "Copy" \
2539                -font font_ui \
2540                -command "tk_textCopy $w.m.t"
2541        $w.ctxm add command -label "Select All" \
2542                -font font_ui \
2543                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
2544        $w.ctxm add command -label "Copy All" \
2545                -font font_ui \
2546                -command "
2547                        $w.m.t tag add sel 0.0 end
2548                        tk_textCopy $w.m.t
2549                        $w.m.t tag remove sel 0.0 end
2550                "
2551
2552        button $w.ok -text {Close} \
2553                -font font_ui \
2554                -state disabled \
2555                -command "destroy $w"
2556        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2557
2558        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2559        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2560        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2561        bind $w <Visibility> "focus $w"
2562        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2563        return $w
2564}
2565
2566proc console_exec {w cmd {after {}}} {
2567        # -- Windows tosses the enviroment when we exec our child.
2568        #    But most users need that so we have to relogin. :-(
2569        #
2570        if {[is_Windows]} {
2571                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2572        }
2573
2574        # -- Tcl won't let us redirect both stdout and stderr to
2575        #    the same pipe.  So pass it through cat...
2576        #
2577        set cmd [concat | $cmd |& cat]
2578
2579        set fd_f [open $cmd r]
2580        fconfigure $fd_f -blocking 0 -translation binary
2581        fileevent $fd_f readable [list console_read $w $fd_f $after]
2582}
2583
2584proc console_read {w fd after} {
2585        global console_cr console_data
2586
2587        set buf [read $fd]
2588        if {$buf ne {}} {
2589                if {![winfo exists $w]} {console_init $w}
2590                $w.m.t conf -state normal
2591                set c 0
2592                set n [string length $buf]
2593                while {$c < $n} {
2594                        set cr [string first "\r" $buf $c]
2595                        set lf [string first "\n" $buf $c]
2596                        if {$cr < 0} {set cr [expr {$n + 1}]}
2597                        if {$lf < 0} {set lf [expr {$n + 1}]}
2598
2599                        if {$lf < $cr} {
2600                                $w.m.t insert end [string range $buf $c $lf]
2601                                set console_cr($w) [$w.m.t index {end -1c}]
2602                                set c $lf
2603                                incr c
2604                        } else {
2605                                $w.m.t delete $console_cr($w) end
2606                                $w.m.t insert end "\n"
2607                                $w.m.t insert end [string range $buf $c $cr]
2608                                set c $cr
2609                                incr c
2610                        }
2611                }
2612                $w.m.t conf -state disabled
2613                $w.m.t see end
2614        }
2615
2616        fconfigure $fd -blocking 1
2617        if {[eof $fd]} {
2618                if {[catch {close $fd}]} {
2619                        if {![winfo exists $w]} {console_init $w}
2620                        $w.m.s conf -background red -text {Error: Command Failed}
2621                        $w.ok conf -state normal
2622                        set ok 0
2623                } elseif {[winfo exists $w]} {
2624                        $w.m.s conf -background green -text {Success}
2625                        $w.ok conf -state normal
2626                        set ok 1
2627                }
2628                array unset console_cr $w
2629                array unset console_data $w
2630                if {$after ne {}} {
2631                        uplevel #0 $after $ok
2632                }
2633                return
2634        }
2635        fconfigure $fd -blocking 0
2636}
2637
2638######################################################################
2639##
2640## ui commands
2641
2642set starting_gitk_msg {Starting gitk... please wait...}
2643
2644proc do_gitk {revs} {
2645        global ui_status_value starting_gitk_msg
2646
2647        set cmd gitk
2648        if {$revs ne {}} {
2649                append cmd { }
2650                append cmd $revs
2651        }
2652        if {[is_Windows]} {
2653                set cmd "sh -c \"exec $cmd\""
2654        }
2655        append cmd { &}
2656
2657        if {[catch {eval exec $cmd} err]} {
2658                error_popup "Failed to start gitk:\n\n$err"
2659        } else {
2660                set ui_status_value $starting_gitk_msg
2661                after 10000 {
2662                        if {$ui_status_value eq $starting_gitk_msg} {
2663                                set ui_status_value {Ready.}
2664                        }
2665                }
2666        }
2667}
2668
2669proc do_gc {} {
2670        set w [new_console {gc} {Compressing the object database}]
2671        console_exec $w {git gc}
2672}
2673
2674proc do_fsck_objects {} {
2675        set w [new_console {fsck-objects} \
2676                {Verifying the object database with fsck-objects}]
2677        set cmd [list git fsck-objects]
2678        lappend cmd --full
2679        lappend cmd --cache
2680        lappend cmd --strict
2681        console_exec $w $cmd
2682}
2683
2684set is_quitting 0
2685
2686proc do_quit {} {
2687        global ui_comm is_quitting repo_config commit_type
2688
2689        if {$is_quitting} return
2690        set is_quitting 1
2691
2692        # -- Stash our current commit buffer.
2693        #
2694        set save [gitdir GITGUI_MSG]
2695        set msg [string trim [$ui_comm get 0.0 end]]
2696        if {![string match amend* $commit_type]
2697                && [$ui_comm edit modified]
2698                && $msg ne {}} {
2699                catch {
2700                        set fd [open $save w]
2701                        puts $fd [string trim [$ui_comm get 0.0 end]]
2702                        close $fd
2703                }
2704        } else {
2705                catch {file delete $save}
2706        }
2707
2708        # -- Stash our current window geometry into this repository.
2709        #
2710        set cfg_geometry [list]
2711        lappend cfg_geometry [wm geometry .]
2712        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2713        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2714        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2715                set rc_geometry {}
2716        }
2717        if {$cfg_geometry ne $rc_geometry} {
2718                catch {exec git repo-config gui.geometry $cfg_geometry}
2719        }
2720
2721        destroy .
2722}
2723
2724proc do_rescan {} {
2725        rescan {set ui_status_value {Ready.}}
2726}
2727
2728proc unstage_helper {txt paths} {
2729        global file_states current_diff_path
2730
2731        if {![lock_index begin-update]} return
2732
2733        set pathList [list]
2734        set after {}
2735        foreach path $paths {
2736                switch -glob -- [lindex $file_states($path) 0] {
2737                A? -
2738                M? -
2739                D? {
2740                        lappend pathList $path
2741                        if {$path eq $current_diff_path} {
2742                                set after {reshow_diff;}
2743                        }
2744                }
2745                }
2746        }
2747        if {$pathList eq {}} {
2748                unlock_index
2749        } else {
2750                update_indexinfo \
2751                        $txt \
2752                        $pathList \
2753                        [concat $after {set ui_status_value {Ready.}}]
2754        }
2755}
2756
2757proc do_unstage_selection {} {
2758        global current_diff_path selected_paths
2759
2760        if {[array size selected_paths] > 0} {
2761                unstage_helper \
2762                        {Unstaging selected files from commit} \
2763                        [array names selected_paths]
2764        } elseif {$current_diff_path ne {}} {
2765                unstage_helper \
2766                        "Unstaging [short_path $current_diff_path] from commit" \
2767                        [list $current_diff_path]
2768        }
2769}
2770
2771proc add_helper {txt paths} {
2772        global file_states current_diff_path
2773
2774        if {![lock_index begin-update]} return
2775
2776        set pathList [list]
2777        set after {}
2778        foreach path $paths {
2779                switch -glob -- [lindex $file_states($path) 0] {
2780                _O -
2781                ?M -
2782                ?D -
2783                U? {
2784                        lappend pathList $path
2785                        if {$path eq $current_diff_path} {
2786                                set after {reshow_diff;}
2787                        }
2788                }
2789                }
2790        }
2791        if {$pathList eq {}} {
2792                unlock_index
2793        } else {
2794                update_index \
2795                        $txt \
2796                        $pathList \
2797                        [concat $after {set ui_status_value {Ready to commit.}}]
2798        }
2799}
2800
2801proc do_add_selection {} {
2802        global current_diff_path selected_paths
2803
2804        if {[array size selected_paths] > 0} {
2805                add_helper \
2806                        {Adding selected files} \
2807                        [array names selected_paths]
2808        } elseif {$current_diff_path ne {}} {
2809                add_helper \
2810                        "Adding [short_path $current_diff_path]" \
2811                        [list $current_diff_path]
2812        }
2813}
2814
2815proc do_add_all {} {
2816        global file_states
2817
2818        set paths [list]
2819        foreach path [array names file_states] {
2820                switch -glob -- [lindex $file_states($path) 0] {
2821                U? {continue}
2822                ?M -
2823                ?D {lappend paths $path}
2824                }
2825        }
2826        add_helper {Adding all changed files} $paths
2827}
2828
2829proc revert_helper {txt paths} {
2830        global file_states current_diff_path
2831
2832        if {![lock_index begin-update]} return
2833
2834        set pathList [list]
2835        set after {}
2836        foreach path $paths {
2837                switch -glob -- [lindex $file_states($path) 0] {
2838                U? {continue}
2839                ?M -
2840                ?D {
2841                        lappend pathList $path
2842                        if {$path eq $current_diff_path} {
2843                                set after {reshow_diff;}
2844                        }
2845                }
2846                }
2847        }
2848
2849        set n [llength $pathList]
2850        if {$n == 0} {
2851                unlock_index
2852                return
2853        } elseif {$n == 1} {
2854                set s "[short_path [lindex $pathList]]"
2855        } else {
2856                set s "these $n files"
2857        }
2858
2859        set reply [tk_dialog \
2860                .confirm_revert \
2861                "[appname] ([reponame])" \
2862                "Revert changes in $s?
2863
2864Any unadded changes will be permanently lost by the revert." \
2865                question \
2866                1 \
2867                {Do Nothing} \
2868                {Revert Changes} \
2869                ]
2870        if {$reply == 1} {
2871                checkout_index \
2872                        $txt \
2873                        $pathList \
2874                        [concat $after {set ui_status_value {Ready.}}]
2875        } else {
2876                unlock_index
2877        }
2878}
2879
2880proc do_revert_selection {} {
2881        global current_diff_path selected_paths
2882
2883        if {[array size selected_paths] > 0} {
2884                revert_helper \
2885                        {Reverting selected files} \
2886                        [array names selected_paths]
2887        } elseif {$current_diff_path ne {}} {
2888                revert_helper \
2889                        "Reverting [short_path $current_diff_path]" \
2890                        [list $current_diff_path]
2891        }
2892}
2893
2894proc do_signoff {} {
2895        global ui_comm
2896
2897        set me [committer_ident]
2898        if {$me eq {}} return
2899
2900        set sob "Signed-off-by: $me"
2901        set last [$ui_comm get {end -1c linestart} {end -1c}]
2902        if {$last ne $sob} {
2903                $ui_comm edit separator
2904                if {$last ne {}
2905                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2906                        $ui_comm insert end "\n"
2907                }
2908                $ui_comm insert end "\n$sob"
2909                $ui_comm edit separator
2910                $ui_comm see end
2911        }
2912}
2913
2914proc do_select_commit_type {} {
2915        global commit_type selected_commit_type
2916
2917        if {$selected_commit_type eq {new}
2918                && [string match amend* $commit_type]} {
2919                create_new_commit
2920        } elseif {$selected_commit_type eq {amend}
2921                && ![string match amend* $commit_type]} {
2922                load_last_commit
2923
2924                # The amend request was rejected...
2925                #
2926                if {![string match amend* $commit_type]} {
2927                        set selected_commit_type new
2928                }
2929        }
2930}
2931
2932proc do_commit {} {
2933        commit_tree
2934}
2935
2936proc do_about {} {
2937        global appvers copyright
2938        global tcl_patchLevel tk_patchLevel
2939
2940        set w .about_dialog
2941        toplevel $w
2942        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2943
2944        label $w.header -text "About [appname]" \
2945                -font font_uibold
2946        pack $w.header -side top -fill x
2947
2948        frame $w.buttons
2949        button $w.buttons.close -text {Close} \
2950                -font font_ui \
2951                -command [list destroy $w]
2952        pack $w.buttons.close -side right
2953        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2954
2955        label $w.desc \
2956                -text "[appname] - a commit creation tool for Git.
2957$copyright" \
2958                -padx 5 -pady 5 \
2959                -justify left \
2960                -anchor w \
2961                -borderwidth 1 \
2962                -relief solid \
2963                -font font_ui
2964        pack $w.desc -side top -fill x -padx 5 -pady 5
2965
2966        set v {}
2967        append v "[appname] version $appvers\n"
2968        append v "[exec git version]\n"
2969        append v "\n"
2970        if {$tcl_patchLevel eq $tk_patchLevel} {
2971                append v "Tcl/Tk version $tcl_patchLevel"
2972        } else {
2973                append v "Tcl version $tcl_patchLevel"
2974                append v ", Tk version $tk_patchLevel"
2975        }
2976
2977        label $w.vers \
2978                -text $v \
2979                -padx 5 -pady 5 \
2980                -justify left \
2981                -anchor w \
2982                -borderwidth 1 \
2983                -relief solid \
2984                -font font_ui
2985        pack $w.vers -side top -fill x -padx 5 -pady 5
2986
2987        menu $w.ctxm -tearoff 0
2988        $w.ctxm add command \
2989                -label {Copy} \
2990                -font font_ui \
2991                -command "
2992                clipboard clear
2993                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2994        "
2995
2996        bind $w <Visibility> "grab $w; focus $w"
2997        bind $w <Key-Escape> "destroy $w"
2998        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2999        wm title $w "About [appname]"
3000        tkwait window $w
3001}
3002
3003proc do_options {} {
3004        global repo_config global_config font_descs
3005        global repo_config_new global_config_new
3006
3007        array unset repo_config_new
3008        array unset global_config_new
3009        foreach name [array names repo_config] {
3010                set repo_config_new($name) $repo_config($name)
3011        }
3012        load_config 1
3013        foreach name [array names repo_config] {
3014                switch -- $name {
3015                gui.diffcontext {continue}
3016                }
3017                set repo_config_new($name) $repo_config($name)
3018        }
3019        foreach name [array names global_config] {
3020                set global_config_new($name) $global_config($name)
3021        }
3022
3023        set w .options_editor
3024        toplevel $w
3025        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3026
3027        label $w.header -text "[appname] Options" \
3028                -font font_uibold
3029        pack $w.header -side top -fill x
3030
3031        frame $w.buttons
3032        button $w.buttons.restore -text {Restore Defaults} \
3033                -font font_ui \
3034                -command do_restore_defaults
3035        pack $w.buttons.restore -side left
3036        button $w.buttons.save -text Save \
3037                -font font_ui \
3038                -command "
3039                        catch {eval \[bind \[focus -displayof $w\] <FocusOut>\]}
3040                        do_save_config $w
3041                "
3042        pack $w.buttons.save -side right
3043        button $w.buttons.cancel -text {Cancel} \
3044                -font font_ui \
3045                -command [list destroy $w]
3046        pack $w.buttons.cancel -side right -padx 5
3047        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3048
3049        labelframe $w.repo -text "[reponame] Repository" \
3050                -font font_ui \
3051                -relief raised -borderwidth 2
3052        labelframe $w.global -text {Global (All Repositories)} \
3053                -font font_ui \
3054                -relief raised -borderwidth 2
3055        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
3056        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
3057
3058        foreach option {
3059                {b pullsummary {Show Pull Summary}}
3060                {b trustmtime  {Trust File Modification Timestamps}}
3061                {i diffcontext {Number of Diff Context Lines}}
3062                {t newbranchtemplate {New Branch Name Template}}
3063                } {
3064                set type [lindex $option 0]
3065                set name [lindex $option 1]
3066                set text [lindex $option 2]
3067                foreach f {repo global} {
3068                        switch $type {
3069                        b {
3070                                checkbutton $w.$f.$name -text $text \
3071                                        -variable ${f}_config_new(gui.$name) \
3072                                        -onvalue true \
3073                                        -offvalue false \
3074                                        -font font_ui
3075                                pack $w.$f.$name -side top -anchor w
3076                        }
3077                        i {
3078                                frame $w.$f.$name
3079                                label $w.$f.$name.l -text "$text:" -font font_ui
3080                                pack $w.$f.$name.l -side left -anchor w -fill x
3081                                spinbox $w.$f.$name.v \
3082                                        -textvariable ${f}_config_new(gui.$name) \
3083                                        -from 1 -to 99 -increment 1 \
3084                                        -width 3 \
3085                                        -font font_ui
3086                                bind $w.$f.$name.v <FocusIn> {%W selection range 0 end}
3087                                pack $w.$f.$name.v -side right -anchor e -padx 5
3088                                pack $w.$f.$name -side top -anchor w -fill x
3089                        }
3090                        t {
3091                                frame $w.$f.$name
3092                                label $w.$f.$name.l -text "$text:" -font font_ui
3093                                text $w.$f.$name.v \
3094                                        -borderwidth 1 \
3095                                        -relief sunken \
3096                                        -height 1 \
3097                                        -width 20 \
3098                                        -font font_ui
3099                                $w.$f.$name.v insert 0.0 [set ${f}_config_new(gui.$name)]
3100                                bind $w.$f.$name.v <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
3101                                bind $w.$f.$name.v <Key-Tab> {focus [tk_focusNext %W];break}
3102                                bind $w.$f.$name.v <Key-Return> break
3103                                bind $w.$f.$name.v <FocusIn> "$w.$f.$name.v tag add sel 0.0 end"
3104                                bind $w.$f.$name.v <FocusOut> "
3105                                        set ${f}_config_new(gui.$name) \
3106                                        \[string trim \[$w.$f.$name.v get 0.0 end\]\]
3107                                "
3108                                pack $w.$f.$name.l -side left -anchor w
3109                                pack $w.$f.$name.v -side left -anchor w \
3110                                        -fill x -expand 1 \
3111                                        -padx 5
3112                                pack $w.$f.$name -side top -anchor w -fill x
3113                        }
3114                        }
3115                }
3116        }
3117
3118        set all_fonts [lsort [font families]]
3119        foreach option $font_descs {
3120                set name [lindex $option 0]
3121                set font [lindex $option 1]
3122                set text [lindex $option 2]
3123
3124                set global_config_new(gui.$font^^family) \
3125                        [font configure $font -family]
3126                set global_config_new(gui.$font^^size) \
3127                        [font configure $font -size]
3128
3129                frame $w.global.$name
3130                label $w.global.$name.l -text "$text:" -font font_ui
3131                pack $w.global.$name.l -side left -anchor w -fill x
3132                eval tk_optionMenu $w.global.$name.family \
3133                        global_config_new(gui.$font^^family) \
3134                        $all_fonts
3135                spinbox $w.global.$name.size \
3136                        -textvariable global_config_new(gui.$font^^size) \
3137                        -from 2 -to 80 -increment 1 \
3138                        -width 3 \
3139                        -font font_ui
3140                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
3141                pack $w.global.$name.size -side right -anchor e
3142                pack $w.global.$name.family -side right -anchor e
3143                pack $w.global.$name -side top -anchor w -fill x
3144        }
3145
3146        bind $w <Visibility> "grab $w; focus $w"
3147        bind $w <Key-Escape> "destroy $w"
3148        wm title $w "[appname] ([reponame]): Options"
3149        tkwait window $w
3150}
3151
3152proc do_restore_defaults {} {
3153        global font_descs default_config repo_config
3154        global repo_config_new global_config_new
3155
3156        foreach name [array names default_config] {
3157                set repo_config_new($name) $default_config($name)
3158                set global_config_new($name) $default_config($name)
3159        }
3160
3161        foreach option $font_descs {
3162                set name [lindex $option 0]
3163                set repo_config(gui.$name) $default_config(gui.$name)
3164        }
3165        apply_config
3166
3167        foreach option $font_descs {
3168                set name [lindex $option 0]
3169                set font [lindex $option 1]
3170                set global_config_new(gui.$font^^family) \
3171                        [font configure $font -family]
3172                set global_config_new(gui.$font^^size) \
3173                        [font configure $font -size]
3174        }
3175}
3176
3177proc do_save_config {w} {
3178        if {[catch {save_config} err]} {
3179                error_popup "Failed to completely save options:\n\n$err"
3180        }
3181        reshow_diff
3182        destroy $w
3183}
3184
3185proc do_windows_shortcut {} {
3186        global argv0
3187
3188        if {[catch {
3189                set desktop [exec cygpath \
3190                        --windows \
3191                        --absolute \
3192                        --long-name \
3193                        --desktop]
3194                }]} {
3195                        set desktop .
3196        }
3197        set fn [tk_getSaveFile \
3198                -parent . \
3199                -title "[appname] ([reponame]): Create Desktop Icon" \
3200                -initialdir $desktop \
3201                -initialfile "Git [reponame].bat"]
3202        if {$fn != {}} {
3203                if {[catch {
3204                                set fd [open $fn w]
3205                                set sh [exec cygpath \
3206                                        --windows \
3207                                        --absolute \
3208                                        /bin/sh]
3209                                set me [exec cygpath \
3210                                        --unix \
3211                                        --absolute \
3212                                        $argv0]
3213                                set gd [exec cygpath \
3214                                        --unix \
3215                                        --absolute \
3216                                        [gitdir]]
3217                                set gw [exec cygpath \
3218                                        --windows \
3219                                        --absolute \
3220                                        [file dirname [gitdir]]]
3221                                regsub -all ' $me "'\\''" me
3222                                regsub -all ' $gd "'\\''" gd
3223                                puts $fd "@ECHO Entering $gw"
3224                                puts $fd "@ECHO Starting git-gui... please wait..."
3225                                puts -nonewline $fd "@\"$sh\" --login -c \""
3226                                puts -nonewline $fd "GIT_DIR='$gd'"
3227                                puts -nonewline $fd " '$me'"
3228                                puts $fd "&\""
3229                                close $fd
3230                        } err]} {
3231                        error_popup "Cannot write script:\n\n$err"
3232                }
3233        }
3234}
3235
3236proc do_macosx_app {} {
3237        global argv0 env
3238
3239        set fn [tk_getSaveFile \
3240                -parent . \
3241                -title "[appname] ([reponame]): Create Desktop Icon" \
3242                -initialdir [file join $env(HOME) Desktop] \
3243                -initialfile "Git [reponame].app"]
3244        if {$fn != {}} {
3245                if {[catch {
3246                                set Contents [file join $fn Contents]
3247                                set MacOS [file join $Contents MacOS]
3248                                set exe [file join $MacOS git-gui]
3249
3250                                file mkdir $MacOS
3251
3252                                set fd [open [file join $Contents Info.plist] w]
3253                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3254<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3255<plist version="1.0">
3256<dict>
3257        <key>CFBundleDevelopmentRegion</key>
3258        <string>English</string>
3259        <key>CFBundleExecutable</key>
3260        <string>git-gui</string>
3261        <key>CFBundleIdentifier</key>
3262        <string>org.spearce.git-gui</string>
3263        <key>CFBundleInfoDictionaryVersion</key>
3264        <string>6.0</string>
3265        <key>CFBundlePackageType</key>
3266        <string>APPL</string>
3267        <key>CFBundleSignature</key>
3268        <string>????</string>
3269        <key>CFBundleVersion</key>
3270        <string>1.0</string>
3271        <key>NSPrincipalClass</key>
3272        <string>NSApplication</string>
3273</dict>
3274</plist>}
3275                                close $fd
3276
3277                                set fd [open $exe w]
3278                                set gd [file normalize [gitdir]]
3279                                set ep [file normalize [exec git --exec-path]]
3280                                regsub -all ' $gd "'\\''" gd
3281                                regsub -all ' $ep "'\\''" ep
3282                                puts $fd "#!/bin/sh"
3283                                foreach name [array names env] {
3284                                        if {[string match GIT_* $name]} {
3285                                                regsub -all ' $env($name) "'\\''" v
3286                                                puts $fd "export $name='$v'"
3287                                        }
3288                                }
3289                                puts $fd "export PATH='$ep':\$PATH"
3290                                puts $fd "export GIT_DIR='$gd'"
3291                                puts $fd "exec [file normalize $argv0]"
3292                                close $fd
3293
3294                                file attributes $exe -permissions u+x,g+x,o+x
3295                        } err]} {
3296                        error_popup "Cannot write icon:\n\n$err"
3297                }
3298        }
3299}
3300
3301proc toggle_or_diff {w x y} {
3302        global file_states file_lists current_diff_path ui_index ui_workdir
3303        global last_clicked selected_paths
3304
3305        set pos [split [$w index @$x,$y] .]
3306        set lno [lindex $pos 0]
3307        set col [lindex $pos 1]
3308        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3309        if {$path eq {}} {
3310                set last_clicked {}
3311                return
3312        }
3313
3314        set last_clicked [list $w $lno]
3315        array unset selected_paths
3316        $ui_index tag remove in_sel 0.0 end
3317        $ui_workdir tag remove in_sel 0.0 end
3318
3319        if {$col == 0} {
3320                if {$current_diff_path eq $path} {
3321                        set after {reshow_diff;}
3322                } else {
3323                        set after {}
3324                }
3325                if {$w eq $ui_index} {
3326                        update_indexinfo \
3327                                "Unstaging [short_path $path] from commit" \
3328                                [list $path] \
3329                                [concat $after {set ui_status_value {Ready.}}]
3330                } elseif {$w eq $ui_workdir} {
3331                        update_index \
3332                                "Adding [short_path $path]" \
3333                                [list $path] \
3334                                [concat $after {set ui_status_value {Ready.}}]
3335                }
3336        } else {
3337                show_diff $path $w $lno
3338        }
3339}
3340
3341proc add_one_to_selection {w x y} {
3342        global file_lists last_clicked selected_paths
3343
3344        set lno [lindex [split [$w index @$x,$y] .] 0]
3345        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3346        if {$path eq {}} {
3347                set last_clicked {}
3348                return
3349        }
3350
3351        if {$last_clicked ne {}
3352                && [lindex $last_clicked 0] ne $w} {
3353                array unset selected_paths
3354                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3355        }
3356
3357        set last_clicked [list $w $lno]
3358        if {[catch {set in_sel $selected_paths($path)}]} {
3359                set in_sel 0
3360        }
3361        if {$in_sel} {
3362                unset selected_paths($path)
3363                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3364        } else {
3365                set selected_paths($path) 1
3366                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3367        }
3368}
3369
3370proc add_range_to_selection {w x y} {
3371        global file_lists last_clicked selected_paths
3372
3373        if {[lindex $last_clicked 0] ne $w} {
3374                toggle_or_diff $w $x $y
3375                return
3376        }
3377
3378        set lno [lindex [split [$w index @$x,$y] .] 0]
3379        set lc [lindex $last_clicked 1]
3380        if {$lc < $lno} {
3381                set begin $lc
3382                set end $lno
3383        } else {
3384                set begin $lno
3385                set end $lc
3386        }
3387
3388        foreach path [lrange $file_lists($w) \
3389                [expr {$begin - 1}] \
3390                [expr {$end - 1}]] {
3391                set selected_paths($path) 1
3392        }
3393        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3394}
3395
3396######################################################################
3397##
3398## config defaults
3399
3400set cursor_ptr arrow
3401font create font_diff -family Courier -size 10
3402font create font_ui
3403catch {
3404        label .dummy
3405        eval font configure font_ui [font actual [.dummy cget -font]]
3406        destroy .dummy
3407}
3408
3409font create font_uibold
3410font create font_diffbold
3411
3412if {[is_Windows]} {
3413        set M1B Control
3414        set M1T Ctrl
3415} elseif {[is_MacOSX]} {
3416        set M1B M1
3417        set M1T Cmd
3418} else {
3419        set M1B M1
3420        set M1T M1
3421}
3422
3423proc apply_config {} {
3424        global repo_config font_descs
3425
3426        foreach option $font_descs {
3427                set name [lindex $option 0]
3428                set font [lindex $option 1]
3429                if {[catch {
3430                        foreach {cn cv} $repo_config(gui.$name) {
3431                                font configure $font $cn $cv
3432                        }
3433                        } err]} {
3434                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3435                }
3436                foreach {cn cv} [font configure $font] {
3437                        font configure ${font}bold $cn $cv
3438                }
3439                font configure ${font}bold -weight bold
3440        }
3441}
3442
3443set default_config(gui.trustmtime) false
3444set default_config(gui.pullsummary) true
3445set default_config(gui.diffcontext) 5
3446set default_config(gui.newbranchtemplate) {}
3447set default_config(gui.fontui) [font configure font_ui]
3448set default_config(gui.fontdiff) [font configure font_diff]
3449set font_descs {
3450        {fontui   font_ui   {Main Font}}
3451        {fontdiff font_diff {Diff/Console Font}}
3452}
3453load_config 0
3454apply_config
3455
3456######################################################################
3457##
3458## ui construction
3459
3460# -- Menu Bar
3461#
3462menu .mbar -tearoff 0
3463.mbar add cascade -label Repository -menu .mbar.repository
3464.mbar add cascade -label Edit -menu .mbar.edit
3465if {!$single_commit} {
3466        .mbar add cascade -label Branch -menu .mbar.branch
3467}
3468.mbar add cascade -label Commit -menu .mbar.commit
3469if {!$single_commit} {
3470        .mbar add cascade -label Fetch -menu .mbar.fetch
3471        .mbar add cascade -label Pull -menu .mbar.pull
3472        .mbar add cascade -label Push -menu .mbar.push
3473}
3474. configure -menu .mbar
3475
3476# -- Repository Menu
3477#
3478menu .mbar.repository
3479.mbar.repository add command \
3480        -label {Visualize Current Branch} \
3481        -command {do_gitk {}} \
3482        -font font_ui
3483if {![is_MacOSX]} {
3484        .mbar.repository add command \
3485                -label {Visualize All Branches} \
3486                -command {do_gitk {--all}} \
3487                -font font_ui
3488}
3489.mbar.repository add separator
3490
3491if {!$single_commit} {
3492        .mbar.repository add command -label {Compress Database} \
3493                -command do_gc \
3494                -font font_ui
3495
3496        .mbar.repository add command -label {Verify Database} \
3497                -command do_fsck_objects \
3498                -font font_ui
3499
3500        .mbar.repository add separator
3501
3502        if {[is_Windows]} {
3503                .mbar.repository add command \
3504                        -label {Create Desktop Icon} \
3505                        -command do_windows_shortcut \
3506                        -font font_ui
3507        } elseif {[is_MacOSX]} {
3508                .mbar.repository add command \
3509                        -label {Create Desktop Icon} \
3510                        -command do_macosx_app \
3511                        -font font_ui
3512        }
3513}
3514
3515.mbar.repository add command -label Quit \
3516        -command do_quit \
3517        -accelerator $M1T-Q \
3518        -font font_ui
3519
3520# -- Edit Menu
3521#
3522menu .mbar.edit
3523.mbar.edit add command -label Undo \
3524        -command {catch {[focus] edit undo}} \
3525        -accelerator $M1T-Z \
3526        -font font_ui
3527.mbar.edit add command -label Redo \
3528        -command {catch {[focus] edit redo}} \
3529        -accelerator $M1T-Y \
3530        -font font_ui
3531.mbar.edit add separator
3532.mbar.edit add command -label Cut \
3533        -command {catch {tk_textCut [focus]}} \
3534        -accelerator $M1T-X \
3535        -font font_ui
3536.mbar.edit add command -label Copy \
3537        -command {catch {tk_textCopy [focus]}} \
3538        -accelerator $M1T-C \
3539        -font font_ui
3540.mbar.edit add command -label Paste \
3541        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3542        -accelerator $M1T-V \
3543        -font font_ui
3544.mbar.edit add command -label Delete \
3545        -command {catch {[focus] delete sel.first sel.last}} \
3546        -accelerator Del \
3547        -font font_ui
3548.mbar.edit add separator
3549.mbar.edit add command -label {Select All} \
3550        -command {catch {[focus] tag add sel 0.0 end}} \
3551        -accelerator $M1T-A \
3552        -font font_ui
3553
3554# -- Branch Menu
3555#
3556if {!$single_commit} {
3557        menu .mbar.branch
3558
3559        .mbar.branch add command -label {Create...} \
3560                -command do_create_branch \
3561                -accelerator $M1T-N \
3562                -font font_ui
3563        lappend disable_on_lock [list .mbar.branch entryconf \
3564                [.mbar.branch index last] -state]
3565
3566        .mbar.branch add command -label {Delete...} \
3567                -command do_delete_branch \
3568                -font font_ui
3569        lappend disable_on_lock [list .mbar.branch entryconf \
3570                [.mbar.branch index last] -state]
3571}
3572
3573# -- Commit Menu
3574#
3575menu .mbar.commit
3576
3577.mbar.commit add radiobutton \
3578        -label {New Commit} \
3579        -command do_select_commit_type \
3580        -variable selected_commit_type \
3581        -value new \
3582        -font font_ui
3583lappend disable_on_lock \
3584        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3585
3586.mbar.commit add radiobutton \
3587        -label {Amend Last Commit} \
3588        -command do_select_commit_type \
3589        -variable selected_commit_type \
3590        -value amend \
3591        -font font_ui
3592lappend disable_on_lock \
3593        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3594
3595.mbar.commit add separator
3596
3597.mbar.commit add command -label Rescan \
3598        -command do_rescan \
3599        -accelerator F5 \
3600        -font font_ui
3601lappend disable_on_lock \
3602        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3603
3604.mbar.commit add command -label {Add To Commit} \
3605        -command do_add_selection \
3606        -font font_ui
3607lappend disable_on_lock \
3608        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3609
3610.mbar.commit add command -label {Add All To Commit} \
3611        -command do_add_all \
3612        -accelerator $M1T-I \
3613        -font font_ui
3614lappend disable_on_lock \
3615        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3616
3617.mbar.commit add command -label {Unstage From Commit} \
3618        -command do_unstage_selection \
3619        -font font_ui
3620lappend disable_on_lock \
3621        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3622
3623.mbar.commit add command -label {Revert Changes} \
3624        -command do_revert_selection \
3625        -font font_ui
3626lappend disable_on_lock \
3627        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3628
3629.mbar.commit add separator
3630
3631.mbar.commit add command -label {Sign Off} \
3632        -command do_signoff \
3633        -accelerator $M1T-S \
3634        -font font_ui
3635
3636.mbar.commit add command -label Commit \
3637        -command do_commit \
3638        -accelerator $M1T-Return \
3639        -font font_ui
3640lappend disable_on_lock \
3641        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3642
3643# -- Transport menus
3644#
3645if {!$single_commit} {
3646        menu .mbar.fetch
3647        menu .mbar.pull
3648        menu .mbar.push
3649}
3650
3651if {[is_MacOSX]} {
3652        # -- Apple Menu (Mac OS X only)
3653        #
3654        .mbar add cascade -label Apple -menu .mbar.apple
3655        menu .mbar.apple
3656
3657        .mbar.apple add command -label "About [appname]" \
3658                -command do_about \
3659                -font font_ui
3660        .mbar.apple add command -label "[appname] Options..." \
3661                -command do_options \
3662                -font font_ui
3663} else {
3664        # -- Edit Menu
3665        #
3666        .mbar.edit add separator
3667        .mbar.edit add command -label {Options...} \
3668                -command do_options \
3669                -font font_ui
3670
3671        # -- Tools Menu
3672        #
3673        if {[file exists /usr/local/miga/lib/gui-miga]
3674                && [file exists .pvcsrc]} {
3675        proc do_miga {} {
3676                global ui_status_value
3677                if {![lock_index update]} return
3678                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3679                set miga_fd [open "|$cmd" r]
3680                fconfigure $miga_fd -blocking 0
3681                fileevent $miga_fd readable [list miga_done $miga_fd]
3682                set ui_status_value {Running miga...}
3683        }
3684        proc miga_done {fd} {
3685                read $fd 512
3686                if {[eof $fd]} {
3687                        close $fd
3688                        unlock_index
3689                        rescan [list set ui_status_value {Ready.}]
3690                }
3691        }
3692        .mbar add cascade -label Tools -menu .mbar.tools
3693        menu .mbar.tools
3694        .mbar.tools add command -label "Migrate" \
3695                -command do_miga \
3696                -font font_ui
3697        lappend disable_on_lock \
3698                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3699        }
3700
3701        # -- Help Menu
3702        #
3703        .mbar add cascade -label Help -menu .mbar.help
3704        menu .mbar.help
3705
3706        .mbar.help add command -label "About [appname]" \
3707                -command do_about \
3708                -font font_ui
3709}
3710
3711
3712# -- Branch Control
3713#
3714frame .branch \
3715        -borderwidth 1 \
3716        -relief sunken
3717label .branch.l1 \
3718        -text {Current Branch:} \
3719        -anchor w \
3720        -justify left \
3721        -font font_ui
3722label .branch.cb \
3723        -textvariable current_branch \
3724        -anchor w \
3725        -justify left \
3726        -font font_ui
3727pack .branch.l1 -side left
3728pack .branch.cb -side left -fill x
3729pack .branch -side top -fill x
3730
3731# -- Main Window Layout
3732#
3733panedwindow .vpane -orient vertical
3734panedwindow .vpane.files -orient horizontal
3735.vpane add .vpane.files -sticky nsew -height 100 -width 200
3736pack .vpane -anchor n -side top -fill both -expand 1
3737
3738# -- Index File List
3739#
3740frame .vpane.files.index -height 100 -width 200
3741label .vpane.files.index.title -text {Changes To Be Committed} \
3742        -background green \
3743        -font font_ui
3744text $ui_index -background white -borderwidth 0 \
3745        -width 20 -height 10 \
3746        -wrap none \
3747        -font font_ui \
3748        -cursor $cursor_ptr \
3749        -xscrollcommand {.vpane.files.index.sx set} \
3750        -yscrollcommand {.vpane.files.index.sy set} \
3751        -state disabled
3752scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3753scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3754pack .vpane.files.index.title -side top -fill x
3755pack .vpane.files.index.sx -side bottom -fill x
3756pack .vpane.files.index.sy -side right -fill y
3757pack $ui_index -side left -fill both -expand 1
3758.vpane.files add .vpane.files.index -sticky nsew
3759
3760# -- Working Directory File List
3761#
3762frame .vpane.files.workdir -height 100 -width 200
3763label .vpane.files.workdir.title -text {Changed But Not Updated} \
3764        -background red \
3765        -font font_ui
3766text $ui_workdir -background white -borderwidth 0 \
3767        -width 20 -height 10 \
3768        -wrap none \
3769        -font font_ui \
3770        -cursor $cursor_ptr \
3771        -xscrollcommand {.vpane.files.workdir.sx set} \
3772        -yscrollcommand {.vpane.files.workdir.sy set} \
3773        -state disabled
3774scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3775scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3776pack .vpane.files.workdir.title -side top -fill x
3777pack .vpane.files.workdir.sx -side bottom -fill x
3778pack .vpane.files.workdir.sy -side right -fill y
3779pack $ui_workdir -side left -fill both -expand 1
3780.vpane.files add .vpane.files.workdir -sticky nsew
3781
3782foreach i [list $ui_index $ui_workdir] {
3783        $i tag conf in_diff -font font_uibold
3784        $i tag conf in_sel \
3785                -background [$i cget -foreground] \
3786                -foreground [$i cget -background]
3787}
3788unset i
3789
3790# -- Diff and Commit Area
3791#
3792frame .vpane.lower -height 300 -width 400
3793frame .vpane.lower.commarea
3794frame .vpane.lower.diff -relief sunken -borderwidth 1
3795pack .vpane.lower.commarea -side top -fill x
3796pack .vpane.lower.diff -side bottom -fill both -expand 1
3797.vpane add .vpane.lower -stick nsew
3798
3799# -- Commit Area Buttons
3800#
3801frame .vpane.lower.commarea.buttons
3802label .vpane.lower.commarea.buttons.l -text {} \
3803        -anchor w \
3804        -justify left \
3805        -font font_ui
3806pack .vpane.lower.commarea.buttons.l -side top -fill x
3807pack .vpane.lower.commarea.buttons -side left -fill y
3808
3809button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3810        -command do_rescan \
3811        -font font_ui
3812pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3813lappend disable_on_lock \
3814        {.vpane.lower.commarea.buttons.rescan conf -state}
3815
3816button .vpane.lower.commarea.buttons.incall -text {Add All} \
3817        -command do_add_all \
3818        -font font_ui
3819pack .vpane.lower.commarea.buttons.incall -side top -fill x
3820lappend disable_on_lock \
3821        {.vpane.lower.commarea.buttons.incall conf -state}
3822
3823button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3824        -command do_signoff \
3825        -font font_ui
3826pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3827
3828button .vpane.lower.commarea.buttons.commit -text {Commit} \
3829        -command do_commit \
3830        -font font_ui
3831pack .vpane.lower.commarea.buttons.commit -side top -fill x
3832lappend disable_on_lock \
3833        {.vpane.lower.commarea.buttons.commit conf -state}
3834
3835# -- Commit Message Buffer
3836#
3837frame .vpane.lower.commarea.buffer
3838frame .vpane.lower.commarea.buffer.header
3839set ui_comm .vpane.lower.commarea.buffer.t
3840set ui_coml .vpane.lower.commarea.buffer.header.l
3841radiobutton .vpane.lower.commarea.buffer.header.new \
3842        -text {New Commit} \
3843        -command do_select_commit_type \
3844        -variable selected_commit_type \
3845        -value new \
3846        -font font_ui
3847lappend disable_on_lock \
3848        [list .vpane.lower.commarea.buffer.header.new conf -state]
3849radiobutton .vpane.lower.commarea.buffer.header.amend \
3850        -text {Amend Last Commit} \
3851        -command do_select_commit_type \
3852        -variable selected_commit_type \
3853        -value amend \
3854        -font font_ui
3855lappend disable_on_lock \
3856        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3857label $ui_coml \
3858        -anchor w \
3859        -justify left \
3860        -font font_ui
3861proc trace_commit_type {varname args} {
3862        global ui_coml commit_type
3863        switch -glob -- $commit_type {
3864        initial       {set txt {Initial Commit Message:}}
3865        amend         {set txt {Amended Commit Message:}}
3866        amend-initial {set txt {Amended Initial Commit Message:}}
3867        amend-merge   {set txt {Amended Merge Commit Message:}}
3868        merge         {set txt {Merge Commit Message:}}
3869        *             {set txt {Commit Message:}}
3870        }
3871        $ui_coml conf -text $txt
3872}
3873trace add variable commit_type write trace_commit_type
3874pack $ui_coml -side left -fill x
3875pack .vpane.lower.commarea.buffer.header.amend -side right
3876pack .vpane.lower.commarea.buffer.header.new -side right
3877
3878text $ui_comm -background white -borderwidth 1 \
3879        -undo true \
3880        -maxundo 20 \
3881        -autoseparators true \
3882        -relief sunken \
3883        -width 75 -height 9 -wrap none \
3884        -font font_diff \
3885        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3886scrollbar .vpane.lower.commarea.buffer.sby \
3887        -command [list $ui_comm yview]
3888pack .vpane.lower.commarea.buffer.header -side top -fill x
3889pack .vpane.lower.commarea.buffer.sby -side right -fill y
3890pack $ui_comm -side left -fill y
3891pack .vpane.lower.commarea.buffer -side left -fill y
3892
3893# -- Commit Message Buffer Context Menu
3894#
3895set ctxm .vpane.lower.commarea.buffer.ctxm
3896menu $ctxm -tearoff 0
3897$ctxm add command \
3898        -label {Cut} \
3899        -font font_ui \
3900        -command {tk_textCut $ui_comm}
3901$ctxm add command \
3902        -label {Copy} \
3903        -font font_ui \
3904        -command {tk_textCopy $ui_comm}
3905$ctxm add command \
3906        -label {Paste} \
3907        -font font_ui \
3908        -command {tk_textPaste $ui_comm}
3909$ctxm add command \
3910        -label {Delete} \
3911        -font font_ui \
3912        -command {$ui_comm delete sel.first sel.last}
3913$ctxm add separator
3914$ctxm add command \
3915        -label {Select All} \
3916        -font font_ui \
3917        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3918$ctxm add command \
3919        -label {Copy All} \
3920        -font font_ui \
3921        -command {
3922                $ui_comm tag add sel 0.0 end
3923                tk_textCopy $ui_comm
3924                $ui_comm tag remove sel 0.0 end
3925        }
3926$ctxm add separator
3927$ctxm add command \
3928        -label {Sign Off} \
3929        -font font_ui \
3930        -command do_signoff
3931bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3932
3933# -- Diff Header
3934#
3935set current_diff_path {}
3936set diff_actions [list]
3937proc trace_current_diff_path {varname args} {
3938        global current_diff_path diff_actions file_states
3939        if {$current_diff_path eq {}} {
3940                set s {}
3941                set f {}
3942                set p {}
3943                set o disabled
3944        } else {
3945                set p $current_diff_path
3946                set s [mapdesc [lindex $file_states($p) 0] $p]
3947                set f {File:}
3948                set p [escape_path $p]
3949                set o normal
3950        }
3951
3952        .vpane.lower.diff.header.status configure -text $s
3953        .vpane.lower.diff.header.file configure -text $f
3954        .vpane.lower.diff.header.path configure -text $p
3955        foreach w $diff_actions {
3956                uplevel #0 $w $o
3957        }
3958}
3959trace add variable current_diff_path write trace_current_diff_path
3960
3961frame .vpane.lower.diff.header -background orange
3962label .vpane.lower.diff.header.status \
3963        -background orange \
3964        -width $max_status_desc \
3965        -anchor w \
3966        -justify left \
3967        -font font_ui
3968label .vpane.lower.diff.header.file \
3969        -background orange \
3970        -anchor w \
3971        -justify left \
3972        -font font_ui
3973label .vpane.lower.diff.header.path \
3974        -background orange \
3975        -anchor w \
3976        -justify left \
3977        -font font_ui
3978pack .vpane.lower.diff.header.status -side left
3979pack .vpane.lower.diff.header.file -side left
3980pack .vpane.lower.diff.header.path -fill x
3981set ctxm .vpane.lower.diff.header.ctxm
3982menu $ctxm -tearoff 0
3983$ctxm add command \
3984        -label {Copy} \
3985        -font font_ui \
3986        -command {
3987                clipboard clear
3988                clipboard append \
3989                        -format STRING \
3990                        -type STRING \
3991                        -- $current_diff_path
3992        }
3993lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3994bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3995
3996# -- Diff Body
3997#
3998frame .vpane.lower.diff.body
3999set ui_diff .vpane.lower.diff.body.t
4000text $ui_diff -background white -borderwidth 0 \
4001        -width 80 -height 15 -wrap none \
4002        -font font_diff \
4003        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
4004        -yscrollcommand {.vpane.lower.diff.body.sby set} \
4005        -state disabled
4006scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
4007        -command [list $ui_diff xview]
4008scrollbar .vpane.lower.diff.body.sby -orient vertical \
4009        -command [list $ui_diff yview]
4010pack .vpane.lower.diff.body.sbx -side bottom -fill x
4011pack .vpane.lower.diff.body.sby -side right -fill y
4012pack $ui_diff -side left -fill both -expand 1
4013pack .vpane.lower.diff.header -side top -fill x
4014pack .vpane.lower.diff.body -side bottom -fill both -expand 1
4015
4016$ui_diff tag conf d_@ -foreground blue -font font_diffbold
4017$ui_diff tag conf d_+ -foreground {#00a000}
4018$ui_diff tag conf d_- -foreground red
4019
4020$ui_diff tag conf d_++ -foreground {#00a000}
4021$ui_diff tag conf d_-- -foreground red
4022$ui_diff tag conf d_+s \
4023        -foreground {#00a000} \
4024        -background {#e2effa}
4025$ui_diff tag conf d_-s \
4026        -foreground red \
4027        -background {#e2effa}
4028$ui_diff tag conf d_s+ \
4029        -foreground {#00a000} \
4030        -background ivory1
4031$ui_diff tag conf d_s- \
4032        -foreground red \
4033        -background ivory1
4034
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$ui_diff tag conf d>>>>>>> \
4042        -foreground orange \
4043        -font font_diffbold
4044
4045$ui_diff tag raise sel
4046
4047# -- Diff Body Context Menu
4048#
4049set ctxm .vpane.lower.diff.body.ctxm
4050menu $ctxm -tearoff 0
4051$ctxm add command \
4052        -label {Refresh} \
4053        -font font_ui \
4054        -command reshow_diff
4055$ctxm add command \
4056        -label {Copy} \
4057        -font font_ui \
4058        -command {tk_textCopy $ui_diff}
4059lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4060$ctxm add command \
4061        -label {Select All} \
4062        -font font_ui \
4063        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
4064lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4065$ctxm add command \
4066        -label {Copy All} \
4067        -font font_ui \
4068        -command {
4069                $ui_diff tag add sel 0.0 end
4070                tk_textCopy $ui_diff
4071                $ui_diff tag remove sel 0.0 end
4072        }
4073lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4074$ctxm add separator
4075$ctxm add command \
4076        -label {Decrease Font Size} \
4077        -font font_ui \
4078        -command {incr_font_size font_diff -1}
4079lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4080$ctxm add command \
4081        -label {Increase Font Size} \
4082        -font font_ui \
4083        -command {incr_font_size font_diff 1}
4084lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4085$ctxm add separator
4086$ctxm add command \
4087        -label {Show Less Context} \
4088        -font font_ui \
4089        -command {if {$repo_config(gui.diffcontext) >= 2} {
4090                incr repo_config(gui.diffcontext) -1
4091                reshow_diff
4092        }}
4093lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4094$ctxm add command \
4095        -label {Show More Context} \
4096        -font font_ui \
4097        -command {
4098                incr repo_config(gui.diffcontext)
4099                reshow_diff
4100        }
4101lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4102$ctxm add separator
4103$ctxm add command -label {Options...} \
4104        -font font_ui \
4105        -command do_options
4106bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
4107
4108# -- Status Bar
4109#
4110set ui_status_value {Initializing...}
4111label .status -textvariable ui_status_value \
4112        -anchor w \
4113        -justify left \
4114        -borderwidth 1 \
4115        -relief sunken \
4116        -font font_ui
4117pack .status -anchor w -side bottom -fill x
4118
4119# -- Load geometry
4120#
4121catch {
4122set gm $repo_config(gui.geometry)
4123wm geometry . [lindex $gm 0]
4124.vpane sash place 0 \
4125        [lindex [.vpane sash coord 0] 0] \
4126        [lindex $gm 1]
4127.vpane.files sash place 0 \
4128        [lindex $gm 2] \
4129        [lindex [.vpane.files sash coord 0] 1]
4130unset gm
4131}
4132
4133# -- Key Bindings
4134#
4135bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4136bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4137bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4138bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4139bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4140bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4141bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4142bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4143bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4144bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4145bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4146
4147bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4148bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4149bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4150bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4151bind $ui_diff <$M1B-Key-v> {break}
4152bind $ui_diff <$M1B-Key-V> {break}
4153bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4154bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4155bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4156bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4157bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4158bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4159
4160if {!$single_commit} {
4161        bind . <$M1B-Key-n> do_create_branch
4162        bind . <$M1B-Key-N> do_create_branch
4163}
4164
4165bind .   <Destroy> do_quit
4166bind all <Key-F5> do_rescan
4167bind all <$M1B-Key-r> do_rescan
4168bind all <$M1B-Key-R> do_rescan
4169bind .   <$M1B-Key-s> do_signoff
4170bind .   <$M1B-Key-S> do_signoff
4171bind .   <$M1B-Key-i> do_add_all
4172bind .   <$M1B-Key-I> do_add_all
4173bind .   <$M1B-Key-Return> do_commit
4174bind all <$M1B-Key-q> do_quit
4175bind all <$M1B-Key-Q> do_quit
4176bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4177bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4178foreach i [list $ui_index $ui_workdir] {
4179        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4180        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4181        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4182}
4183unset i
4184
4185set file_lists($ui_index) [list]
4186set file_lists($ui_workdir) [list]
4187
4188set HEAD {}
4189set PARENT {}
4190set MERGE_HEAD [list]
4191set commit_type {}
4192set empty_tree {}
4193set current_branch {}
4194set current_diff_path {}
4195set selected_commit_type new
4196
4197wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4198focus -force $ui_comm
4199
4200# -- Warn the user about environmental problems.  Cygwin's Tcl
4201#    does *not* pass its env array onto any processes it spawns.
4202#    This means that git processes get none of our environment.
4203#
4204if {[is_Windows]} {
4205        set ignored_env 0
4206        set suggest_user {}
4207        set msg "Possible environment issues exist.
4208
4209The following environment variables are probably
4210going to be ignored by any Git subprocess run
4211by [appname]:
4212
4213"
4214        foreach name [array names env] {
4215                switch -regexp -- $name {
4216                {^GIT_INDEX_FILE$} -
4217                {^GIT_OBJECT_DIRECTORY$} -
4218                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4219                {^GIT_DIFF_OPTS$} -
4220                {^GIT_EXTERNAL_DIFF$} -
4221                {^GIT_PAGER$} -
4222                {^GIT_TRACE$} -
4223                {^GIT_CONFIG$} -
4224                {^GIT_CONFIG_LOCAL$} -
4225                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4226                        append msg " - $name\n"
4227                        incr ignored_env
4228                }
4229                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4230                        append msg " - $name\n"
4231                        incr ignored_env
4232                        set suggest_user $name
4233                }
4234                }
4235        }
4236        if {$ignored_env > 0} {
4237                append msg "
4238This is due to a known issue with the
4239Tcl binary distributed by Cygwin."
4240
4241                if {$suggest_user ne {}} {
4242                        append msg "
4243
4244A good replacement for $suggest_user
4245is placing values for the user.name and
4246user.email settings into your personal
4247~/.gitconfig file.
4248"
4249                }
4250                warn_popup $msg
4251        }
4252        unset ignored_env msg suggest_user name
4253}
4254
4255# -- Only initialize complex UI if we are going to stay running.
4256#
4257if {!$single_commit} {
4258        load_all_remotes
4259        load_all_heads
4260
4261        populate_branch_menu
4262        populate_fetch_menu .mbar.fetch
4263        populate_pull_menu .mbar.pull
4264        populate_push_menu .mbar.push
4265}
4266
4267# -- Only suggest a gc run if we are going to stay running.
4268#
4269if {!$single_commit} {
4270        set object_limit 2000
4271        if {[is_Windows]} {set object_limit 200}
4272        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4273        if {$objects_current >= $object_limit} {
4274                if {[ask_popup \
4275                        "This repository currently has $objects_current loose objects.
4276
4277To maintain optimal performance it is strongly
4278recommended that you compress the database
4279when more than $object_limit loose objects exist.
4280
4281Compress the database now?"] eq yes} {
4282                        do_gc
4283                }
4284        }
4285        unset object_limit _junk objects_current
4286}
4287
4288lock_index begin-read
4289after 1 do_rescan