git-gui.shon commit git-gui: Don't offer tracking branches if none exist. (19e283f)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GIT_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _reponame {}
  30
  31proc appname {} {
  32        global _appname
  33        return $_appname
  34}
  35
  36proc gitdir {args} {
  37        global _gitdir
  38        if {$args eq {}} {
  39                return $_gitdir
  40        }
  41        return [eval [concat [list file join $_gitdir] $args]]
  42}
  43
  44proc reponame {} {
  45        global _reponame
  46        return $_reponame
  47}
  48
  49######################################################################
  50##
  51## config
  52
  53proc is_many_config {name} {
  54        switch -glob -- $name {
  55        remote.*.fetch -
  56        remote.*.push
  57                {return 1}
  58        *
  59                {return 0}
  60        }
  61}
  62
  63proc load_config {include_global} {
  64        global repo_config global_config default_config
  65
  66        array unset global_config
  67        if {$include_global} {
  68                catch {
  69                        set fd_rc [open "| git repo-config --global --list" r]
  70                        while {[gets $fd_rc line] >= 0} {
  71                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  72                                        if {[is_many_config $name]} {
  73                                                lappend global_config($name) $value
  74                                        } else {
  75                                                set global_config($name) $value
  76                                        }
  77                                }
  78                        }
  79                        close $fd_rc
  80                }
  81        }
  82
  83        array unset repo_config
  84        catch {
  85                set fd_rc [open "| git repo-config --list" r]
  86                while {[gets $fd_rc line] >= 0} {
  87                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  88                                if {[is_many_config $name]} {
  89                                        lappend repo_config($name) $value
  90                                } else {
  91                                        set repo_config($name) $value
  92                                }
  93                        }
  94                }
  95                close $fd_rc
  96        }
  97
  98        foreach name [array names default_config] {
  99                if {[catch {set v $global_config($name)}]} {
 100                        set global_config($name) $default_config($name)
 101                }
 102                if {[catch {set v $repo_config($name)}]} {
 103                        set repo_config($name) $default_config($name)
 104                }
 105        }
 106}
 107
 108proc save_config {} {
 109        global default_config font_descs
 110        global repo_config global_config
 111        global repo_config_new global_config_new
 112
 113        foreach option $font_descs {
 114                set name [lindex $option 0]
 115                set font [lindex $option 1]
 116                font configure $font \
 117                        -family $global_config_new(gui.$font^^family) \
 118                        -size $global_config_new(gui.$font^^size)
 119                font configure ${font}bold \
 120                        -family $global_config_new(gui.$font^^family) \
 121                        -size $global_config_new(gui.$font^^size)
 122                set global_config_new(gui.$name) [font configure $font]
 123                unset global_config_new(gui.$font^^family)
 124                unset global_config_new(gui.$font^^size)
 125        }
 126
 127        foreach name [array names default_config] {
 128                set value $global_config_new($name)
 129                if {$value ne $global_config($name)} {
 130                        if {$value eq $default_config($name)} {
 131                                catch {exec git repo-config --global --unset $name}
 132                        } else {
 133                                regsub -all "\[{}\]" $value {"} value
 134                                exec git repo-config --global $name $value
 135                        }
 136                        set global_config($name) $value
 137                        if {$value eq $repo_config($name)} {
 138                                catch {exec git repo-config --unset $name}
 139                                set repo_config($name) $value
 140                        }
 141                }
 142        }
 143
 144        foreach name [array names default_config] {
 145                set value $repo_config_new($name)
 146                if {$value ne $repo_config($name)} {
 147                        if {$value eq $global_config($name)} {
 148                                catch {exec git repo-config --unset $name}
 149                        } else {
 150                                regsub -all "\[{}\]" $value {"} value
 151                                exec git repo-config $name $value
 152                        }
 153                        set repo_config($name) $value
 154                }
 155        }
 156}
 157
 158proc error_popup {msg} {
 159        set title [appname]
 160        if {[reponame] ne {}} {
 161                append title " ([reponame])"
 162        }
 163        set cmd [list tk_messageBox \
 164                -icon error \
 165                -type ok \
 166                -title "$title: error" \
 167                -message $msg]
 168        if {[winfo ismapped .]} {
 169                lappend cmd -parent .
 170        }
 171        eval $cmd
 172}
 173
 174proc warn_popup {msg} {
 175        set title [appname]
 176        if {[reponame] ne {}} {
 177                append title " ([reponame])"
 178        }
 179        set cmd [list tk_messageBox \
 180                -icon warning \
 181                -type ok \
 182                -title "$title: warning" \
 183                -message $msg]
 184        if {[winfo ismapped .]} {
 185                lappend cmd -parent .
 186        }
 187        eval $cmd
 188}
 189
 190proc info_popup {msg} {
 191        set title [appname]
 192        if {[reponame] ne {}} {
 193                append title " ([reponame])"
 194        }
 195        tk_messageBox \
 196                -parent . \
 197                -icon info \
 198                -type ok \
 199                -title $title \
 200                -message $msg
 201}
 202
 203proc ask_popup {msg} {
 204        set title [appname]
 205        if {[reponame] ne {}} {
 206                append title " ([reponame])"
 207        }
 208        return [tk_messageBox \
 209                -parent . \
 210                -icon question \
 211                -type yesno \
 212                -title $title \
 213                -message $msg]
 214}
 215
 216######################################################################
 217##
 218## repository setup
 219
 220if {   [catch {set _gitdir $env(GIT_DIR)}]
 221        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 222        catch {wm withdraw .}
 223        error_popup "Cannot find the git directory:\n\n$err"
 224        exit 1
 225}
 226if {![file isdirectory $_gitdir]} {
 227        catch {wm withdraw .}
 228        error_popup "Git directory not found:\n\n$_gitdir"
 229        exit 1
 230}
 231if {[lindex [file split $_gitdir] end] ne {.git}} {
 232        catch {wm withdraw .}
 233        error_popup "Cannot use funny .git directory:\n\n$gitdir"
 234        exit 1
 235}
 236if {[catch {cd [file dirname $_gitdir]} err]} {
 237        catch {wm withdraw .}
 238        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 239        exit 1
 240}
 241set _reponame [lindex [file split \
 242        [file normalize [file dirname $_gitdir]]] \
 243        end]
 244
 245set single_commit 0
 246if {[appname] eq {git-citool}} {
 247        set single_commit 1
 248}
 249
 250######################################################################
 251##
 252## task management
 253
 254set rescan_active 0
 255set diff_active 0
 256set last_clicked {}
 257
 258set disable_on_lock [list]
 259set index_lock_type none
 260
 261proc lock_index {type} {
 262        global index_lock_type disable_on_lock
 263
 264        if {$index_lock_type eq {none}} {
 265                set index_lock_type $type
 266                foreach w $disable_on_lock {
 267                        uplevel #0 $w disabled
 268                }
 269                return 1
 270        } elseif {$index_lock_type eq "begin-$type"} {
 271                set index_lock_type $type
 272                return 1
 273        }
 274        return 0
 275}
 276
 277proc unlock_index {} {
 278        global index_lock_type disable_on_lock
 279
 280        set index_lock_type none
 281        foreach w $disable_on_lock {
 282                uplevel #0 $w normal
 283        }
 284}
 285
 286######################################################################
 287##
 288## status
 289
 290proc repository_state {ctvar hdvar mhvar} {
 291        global current_branch
 292        upvar $ctvar ct $hdvar hd $mhvar mh
 293
 294        set mh [list]
 295
 296        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 297                set current_branch {}
 298        } else {
 299                regsub ^refs/((heads|tags|remotes)/)? \
 300                        $current_branch \
 301                        {} \
 302                        current_branch
 303        }
 304
 305        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 306                set hd {}
 307                set ct initial
 308                return
 309        }
 310
 311        set merge_head [gitdir MERGE_HEAD]
 312        if {[file exists $merge_head]} {
 313                set ct merge
 314                set fd_mh [open $merge_head r]
 315                while {[gets $fd_mh line] >= 0} {
 316                        lappend mh $line
 317                }
 318                close $fd_mh
 319                return
 320        }
 321
 322        set ct normal
 323}
 324
 325proc PARENT {} {
 326        global PARENT empty_tree
 327
 328        set p [lindex $PARENT 0]
 329        if {$p ne {}} {
 330                return $p
 331        }
 332        if {$empty_tree eq {}} {
 333                set empty_tree [exec git mktree << {}]
 334        }
 335        return $empty_tree
 336}
 337
 338proc rescan {after} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$rescan_active > 0 || ![lock_index read]} return
 345
 346        repository_state newType newHEAD newMERGE_HEAD
 347        if {[string match amend* $commit_type]
 348                && $newType eq {normal}
 349                && $newHEAD eq $HEAD} {
 350        } else {
 351                set HEAD $newHEAD
 352                set PARENT $newHEAD
 353                set MERGE_HEAD $newMERGE_HEAD
 354                set commit_type $newType
 355        }
 356
 357        array unset file_states
 358
 359        if {![$ui_comm edit modified]
 360                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                if {[load_message GITGUI_MSG]} {
 362                } elseif {[load_message MERGE_MSG]} {
 363                } elseif {[load_message SQUASH_MSG]} {
 364                }
 365                $ui_comm edit reset
 366                $ui_comm edit modified false
 367        }
 368
 369        if {$repo_config(gui.trustmtime) eq {true}} {
 370                rescan_stage2 {} $after
 371        } else {
 372                set rescan_active 1
 373                set ui_status_value {Refreshing file status...}
 374                set cmd [list git update-index]
 375                lappend cmd -q
 376                lappend cmd --unmerged
 377                lappend cmd --ignore-missing
 378                lappend cmd --refresh
 379                set fd_rf [open "| $cmd" r]
 380                fconfigure $fd_rf -blocking 0 -translation binary
 381                fileevent $fd_rf readable \
 382                        [list rescan_stage2 $fd_rf $after]
 383        }
 384}
 385
 386proc rescan_stage2 {fd after} {
 387        global ui_status_value
 388        global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390        if {$fd ne {}} {
 391                read $fd
 392                if {![eof $fd]} return
 393                close $fd
 394        }
 395
 396        set ls_others [list | git ls-files --others -z \
 397                --exclude-per-directory=.gitignore]
 398        set info_exclude [gitdir info exclude]
 399        if {[file readable $info_exclude]} {
 400                lappend ls_others "--exclude-from=$info_exclude"
 401        }
 402
 403        set buf_rdi {}
 404        set buf_rdf {}
 405        set buf_rlo {}
 406
 407        set rescan_active 3
 408        set ui_status_value {Scanning for modified files ...}
 409        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410        set fd_df [open "| git diff-files -z" r]
 411        set fd_lo [open $ls_others r]
 412
 413        fconfigure $fd_di -blocking 0 -translation binary
 414        fconfigure $fd_df -blocking 0 -translation binary
 415        fconfigure $fd_lo -blocking 0 -translation binary
 416        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 417        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 418        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 419}
 420
 421proc load_message {file} {
 422        global ui_comm
 423
 424        set f [gitdir $file]
 425        if {[file isfile $f]} {
 426                if {[catch {set fd [open $f r]}]} {
 427                        return 0
 428                }
 429                set content [string trim [read $fd]]
 430                close $fd
 431                $ui_comm delete 0.0 end
 432                $ui_comm insert end $content
 433                return 1
 434        }
 435        return 0
 436}
 437
 438proc read_diff_index {fd after} {
 439        global buf_rdi
 440
 441        append buf_rdi [read $fd]
 442        set c 0
 443        set n [string length $buf_rdi]
 444        while {$c < $n} {
 445                set z1 [string first "\0" $buf_rdi $c]
 446                if {$z1 == -1} break
 447                incr z1
 448                set z2 [string first "\0" $buf_rdi $z1]
 449                if {$z2 == -1} break
 450
 451                incr c
 452                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 453                merge_state \
 454                        [string range $buf_rdi $z1 [expr {$z2 - 1}]] \
 455                        [lindex $i 4]? \
 456                        [list [lindex $i 0] [lindex $i 2]] \
 457                        [list]
 458                set c $z2
 459                incr c
 460        }
 461        if {$c < $n} {
 462                set buf_rdi [string range $buf_rdi $c end]
 463        } else {
 464                set buf_rdi {}
 465        }
 466
 467        rescan_done $fd buf_rdi $after
 468}
 469
 470proc read_diff_files {fd after} {
 471        global buf_rdf
 472
 473        append buf_rdf [read $fd]
 474        set c 0
 475        set n [string length $buf_rdf]
 476        while {$c < $n} {
 477                set z1 [string first "\0" $buf_rdf $c]
 478                if {$z1 == -1} break
 479                incr z1
 480                set z2 [string first "\0" $buf_rdf $z1]
 481                if {$z2 == -1} break
 482
 483                incr c
 484                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 485                merge_state \
 486                        [string range $buf_rdf $z1 [expr {$z2 - 1}]] \
 487                        ?[lindex $i 4] \
 488                        [list] \
 489                        [list [lindex $i 0] [lindex $i 2]]
 490                set c $z2
 491                incr c
 492        }
 493        if {$c < $n} {
 494                set buf_rdf [string range $buf_rdf $c end]
 495        } else {
 496                set buf_rdf {}
 497        }
 498
 499        rescan_done $fd buf_rdf $after
 500}
 501
 502proc read_ls_others {fd after} {
 503        global buf_rlo
 504
 505        append buf_rlo [read $fd]
 506        set pck [split $buf_rlo "\0"]
 507        set buf_rlo [lindex $pck end]
 508        foreach p [lrange $pck 0 end-1] {
 509                merge_state $p ?O
 510        }
 511        rescan_done $fd buf_rlo $after
 512}
 513
 514proc rescan_done {fd buf after} {
 515        global rescan_active
 516        global file_states repo_config
 517        upvar $buf to_clear
 518
 519        if {![eof $fd]} return
 520        set to_clear {}
 521        close $fd
 522        if {[incr rescan_active -1] > 0} return
 523
 524        prune_selection
 525        unlock_index
 526        display_all_files
 527        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
 591This file will now be removed from the modified
 592files list, to prevent possible confusion.
 593"
 594        if {[catch {exec git update-index -- $path} err]} {
 595                error_popup "Failed to refresh index:\n\n$err"
 596        }
 597
 598        clear_diff
 599        display_file $path __
 600}
 601
 602proc show_diff {path w {lno {}}} {
 603        global file_states file_lists
 604        global is_3way_diff diff_active repo_config
 605        global ui_diff ui_status_value ui_index ui_workdir
 606        global current_diff_path current_diff_side
 607
 608        if {$diff_active || ![lock_index read]} return
 609
 610        clear_diff
 611        if {$w eq {} || $lno == {}} {
 612                foreach w [array names file_lists] {
 613                        set lno [lsearch -sorted $file_lists($w) $path]
 614                        if {$lno >= 0} {
 615                                incr lno
 616                                break
 617                        }
 618                }
 619        }
 620        if {$w ne {} && $lno >= 1} {
 621                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 622        }
 623
 624        set s $file_states($path)
 625        set m [lindex $s 0]
 626        set is_3way_diff 0
 627        set diff_active 1
 628        set current_diff_path $path
 629        set current_diff_side $w
 630        set ui_status_value "Loading diff of [escape_path $path]..."
 631
 632        # - Git won't give us the diff, there's nothing to compare to!
 633        #
 634        if {$m eq {_O}} {
 635                if {[catch {
 636                                set fd [open $path r]
 637                                set content [read $fd]
 638                                close $fd
 639                        } err ]} {
 640                        set diff_active 0
 641                        unlock_index
 642                        set ui_status_value "Unable to display [escape_path $path]"
 643                        error_popup "Error loading file:\n\n$err"
 644                        return
 645                }
 646                $ui_diff conf -state normal
 647                $ui_diff insert end $content
 648                $ui_diff conf -state disabled
 649                set diff_active 0
 650                unlock_index
 651                set ui_status_value {Ready.}
 652                return
 653        }
 654
 655        set cmd [list | git]
 656        if {$w eq $ui_index} {
 657                lappend cmd diff-index
 658                lappend cmd --cached
 659        } elseif {$w eq $ui_workdir} {
 660                if {[string index $m 0] eq {U}} {
 661                        lappend cmd diff
 662                } else {
 663                        lappend cmd diff-files
 664                }
 665        }
 666
 667        lappend cmd -p
 668        lappend cmd --no-color
 669        if {$repo_config(gui.diffcontext) > 0} {
 670                lappend cmd "-U$repo_config(gui.diffcontext)"
 671        }
 672        if {$w eq $ui_index} {
 673                lappend cmd [PARENT]
 674        }
 675        lappend cmd --
 676        lappend cmd $path
 677
 678        if {[catch {set fd [open $cmd r]} err]} {
 679                set diff_active 0
 680                unlock_index
 681                set ui_status_value "Unable to display [escape_path $path]"
 682                error_popup "Error loading diff:\n\n$err"
 683                return
 684        }
 685
 686        fconfigure $fd -blocking 0 -translation auto
 687        fileevent $fd readable [list read_diff $fd]
 688}
 689
 690proc read_diff {fd} {
 691        global ui_diff ui_status_value is_3way_diff diff_active
 692        global repo_config
 693
 694        $ui_diff conf -state normal
 695        while {[gets $fd line] >= 0} {
 696                # -- Cleanup uninteresting diff header lines.
 697                #
 698                if {[string match {diff --git *}      $line]} continue
 699                if {[string match {diff --cc *}       $line]} continue
 700                if {[string match {diff --combined *} $line]} continue
 701                if {[string match {--- *}             $line]} continue
 702                if {[string match {+++ *}             $line]} continue
 703                if {$line eq {deleted file mode 120000}} {
 704                        set line "deleted symlink"
 705                }
 706
 707                # -- Automatically detect if this is a 3 way diff.
 708                #
 709                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 710
 711                if {[string match {index *} $line]
 712                        || [regexp {^\* Unmerged path } $line]} {
 713                        set tags {}
 714                } elseif {$is_3way_diff} {
 715                        set op [string range $line 0 1]
 716                        switch -- $op {
 717                        {  } {set tags {}}
 718                        {@@} {set tags d_@}
 719                        { +} {set tags d_s+}
 720                        { -} {set tags d_s-}
 721                        {+ } {set tags d_+s}
 722                        {- } {set tags d_-s}
 723                        {--} {set tags d_--}
 724                        {++} {
 725                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 726                                        set line [string replace $line 0 1 {  }]
 727                                        set tags d$op
 728                                } else {
 729                                        set tags d_++
 730                                }
 731                        }
 732                        default {
 733                                puts "error: Unhandled 3 way diff marker: {$op}"
 734                                set tags {}
 735                        }
 736                        }
 737                } else {
 738                        set op [string index $line 0]
 739                        switch -- $op {
 740                        { } {set tags {}}
 741                        {@} {set tags d_@}
 742                        {-} {set tags d_-}
 743                        {+} {
 744                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 745                                        set line [string replace $line 0 0 { }]
 746                                        set tags d$op
 747                                } else {
 748                                        set tags d_+
 749                                }
 750                        }
 751                        default {
 752                                puts "error: Unhandled 2 way diff marker: {$op}"
 753                                set tags {}
 754                        }
 755                        }
 756                }
 757                $ui_diff insert end $line $tags
 758                $ui_diff insert end "\n" $tags
 759        }
 760        $ui_diff conf -state disabled
 761
 762        if {[eof $fd]} {
 763                close $fd
 764                set diff_active 0
 765                unlock_index
 766                set ui_status_value {Ready.}
 767
 768                if {$repo_config(gui.trustmtime) eq {true}
 769                        && [$ui_diff index end] eq {2.0}} {
 770                        handle_empty_diff
 771                }
 772        }
 773}
 774
 775######################################################################
 776##
 777## commit
 778
 779proc load_last_commit {} {
 780        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 781
 782        if {[llength $PARENT] == 0} {
 783                error_popup {There is nothing to amend.
 784
 785You are about to create the initial commit.
 786There is no commit before this to amend.
 787}
 788                return
 789        }
 790
 791        repository_state curType curHEAD curMERGE_HEAD
 792        if {$curType eq {merge}} {
 793                error_popup {Cannot amend while merging.
 794
 795You are currently in the middle of a merge that
 796has not been fully completed.  You cannot amend
 797the prior commit unless you first abort the
 798current merge activity.
 799}
 800                return
 801        }
 802
 803        set msg {}
 804        set parents [list]
 805        if {[catch {
 806                        set fd [open "| git cat-file commit $curHEAD" r]
 807                        while {[gets $fd line] > 0} {
 808                                if {[string match {parent *} $line]} {
 809                                        lappend parents [string range $line 7 end]
 810                                }
 811                        }
 812                        set msg [string trim [read $fd]]
 813                        close $fd
 814                } err]} {
 815                error_popup "Error loading commit data for amend:\n\n$err"
 816                return
 817        }
 818
 819        set HEAD $curHEAD
 820        set PARENT $parents
 821        set MERGE_HEAD [list]
 822        switch -- [llength $parents] {
 823        0       {set commit_type amend-initial}
 824        1       {set commit_type amend}
 825        default {set commit_type amend-merge}
 826        }
 827
 828        $ui_comm delete 0.0 end
 829        $ui_comm insert end $msg
 830        $ui_comm edit reset
 831        $ui_comm edit modified false
 832        rescan {set ui_status_value {Ready.}}
 833}
 834
 835proc create_new_commit {} {
 836        global commit_type ui_comm
 837
 838        set commit_type normal
 839        $ui_comm delete 0.0 end
 840        $ui_comm edit reset
 841        $ui_comm edit modified false
 842        rescan {set ui_status_value {Ready.}}
 843}
 844
 845set GIT_COMMITTER_IDENT {}
 846
 847proc committer_ident {} {
 848        global GIT_COMMITTER_IDENT
 849
 850        if {$GIT_COMMITTER_IDENT eq {}} {
 851                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 852                        error_popup "Unable to obtain your identity:\n\n$err"
 853                        return {}
 854                }
 855                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 856                        $me me GIT_COMMITTER_IDENT]} {
 857                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 858                        return {}
 859                }
 860        }
 861
 862        return $GIT_COMMITTER_IDENT
 863}
 864
 865proc commit_tree {} {
 866        global HEAD commit_type file_states ui_comm repo_config
 867        global ui_status_value pch_error
 868
 869        if {![lock_index update]} return
 870        if {[committer_ident] eq {}} return
 871
 872        # -- Our in memory state should match the repository.
 873        #
 874        repository_state curType curHEAD curMERGE_HEAD
 875        if {[string match amend* $commit_type]
 876                && $curType eq {normal}
 877                && $curHEAD eq $HEAD} {
 878        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 879                info_popup {Last scanned state does not match repository state.
 880
 881Another Git program has modified this repository
 882since the last scan.  A rescan must be performed
 883before another commit can be created.
 884
 885The rescan will be automatically started now.
 886}
 887                unlock_index
 888                rescan {set ui_status_value {Ready.}}
 889                return
 890        }
 891
 892        # -- At least one file should differ in the index.
 893        #
 894        set files_ready 0
 895        foreach path [array names file_states] {
 896                switch -glob -- [lindex $file_states($path) 0] {
 897                _? {continue}
 898                A? -
 899                D? -
 900                M? {set files_ready 1}
 901                U? {
 902                        error_popup "Unmerged files cannot be committed.
 903
 904File [short_path $path] has merge conflicts.
 905You must resolve them and add the file before committing.
 906"
 907                        unlock_index
 908                        return
 909                }
 910                default {
 911                        error_popup "Unknown file state [lindex $s 0] detected.
 912
 913File [short_path $path] cannot be committed by this program.
 914"
 915                }
 916                }
 917        }
 918        if {!$files_ready} {
 919                info_popup {No changes to commit.
 920
 921You must add at least 1 file before you can commit.
 922}
 923                unlock_index
 924                return
 925        }
 926
 927        # -- A message is required.
 928        #
 929        set msg [string trim [$ui_comm get 1.0 end]]
 930        if {$msg eq {}} {
 931                error_popup {Please supply a commit message.
 932
 933A good commit message has the following format:
 934
 935- First line: Describe in one sentance what you did.
 936- Second line: Blank
 937- Remaining lines: Describe why this change is good.
 938}
 939                unlock_index
 940                return
 941        }
 942
 943        # -- Run the pre-commit hook.
 944        #
 945        set pchook [gitdir hooks pre-commit]
 946
 947        # On Cygwin [file executable] might lie so we need to ask
 948        # the shell if the hook is executable.  Yes that's annoying.
 949        #
 950        if {[is_Windows] && [file isfile $pchook]} {
 951                set pchook [list sh -c [concat \
 952                        "if test -x \"$pchook\";" \
 953                        "then exec \"$pchook\" 2>&1;" \
 954                        "fi"]]
 955        } elseif {[file executable $pchook]} {
 956                set pchook [list $pchook |& cat]
 957        } else {
 958                commit_writetree $curHEAD $msg
 959                return
 960        }
 961
 962        set ui_status_value {Calling pre-commit hook...}
 963        set pch_error {}
 964        set fd_ph [open "| $pchook" r]
 965        fconfigure $fd_ph -blocking 0 -translation binary
 966        fileevent $fd_ph readable \
 967                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 968}
 969
 970proc commit_prehook_wait {fd_ph curHEAD msg} {
 971        global pch_error ui_status_value
 972
 973        append pch_error [read $fd_ph]
 974        fconfigure $fd_ph -blocking 1
 975        if {[eof $fd_ph]} {
 976                if {[catch {close $fd_ph}]} {
 977                        set ui_status_value {Commit declined by pre-commit hook.}
 978                        hook_failed_popup pre-commit $pch_error
 979                        unlock_index
 980                } else {
 981                        commit_writetree $curHEAD $msg
 982                }
 983                set pch_error {}
 984                return
 985        }
 986        fconfigure $fd_ph -blocking 0
 987}
 988
 989proc commit_writetree {curHEAD msg} {
 990        global ui_status_value
 991
 992        set ui_status_value {Committing changes...}
 993        set fd_wt [open "| git write-tree" r]
 994        fileevent $fd_wt readable \
 995                [list commit_committree $fd_wt $curHEAD $msg]
 996}
 997
 998proc commit_committree {fd_wt curHEAD msg} {
 999        global HEAD PARENT MERGE_HEAD commit_type
1000        global single_commit
1001        global ui_status_value ui_comm selected_commit_type
1002        global file_states selected_paths rescan_active
1003
1004        gets $fd_wt tree_id
1005        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1006                error_popup "write-tree failed:\n\n$err"
1007                set ui_status_value {Commit failed.}
1008                unlock_index
1009                return
1010        }
1011
1012        # -- Create the commit.
1013        #
1014        set cmd [list git commit-tree $tree_id]
1015        set parents [concat $PARENT $MERGE_HEAD]
1016        if {[llength $parents] > 0} {
1017                foreach p $parents {
1018                        lappend cmd -p $p
1019                }
1020        } else {
1021                # git commit-tree writes to stderr during initial commit.
1022                lappend cmd 2>/dev/null
1023        }
1024        lappend cmd << $msg
1025        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1026                error_popup "commit-tree failed:\n\n$err"
1027                set ui_status_value {Commit failed.}
1028                unlock_index
1029                return
1030        }
1031
1032        # -- Update the HEAD ref.
1033        #
1034        set reflogm commit
1035        if {$commit_type ne {normal}} {
1036                append reflogm " ($commit_type)"
1037        }
1038        set i [string first "\n" $msg]
1039        if {$i >= 0} {
1040                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1041        } else {
1042                append reflogm {: } $msg
1043        }
1044        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1045        if {[catch {eval exec $cmd} err]} {
1046                error_popup "update-ref failed:\n\n$err"
1047                set ui_status_value {Commit failed.}
1048                unlock_index
1049                return
1050        }
1051
1052        # -- Cleanup after ourselves.
1053        #
1054        catch {file delete [gitdir MERGE_HEAD]}
1055        catch {file delete [gitdir MERGE_MSG]}
1056        catch {file delete [gitdir SQUASH_MSG]}
1057        catch {file delete [gitdir GITGUI_MSG]}
1058
1059        # -- Let rerere do its thing.
1060        #
1061        if {[file isdirectory [gitdir rr-cache]]} {
1062                catch {exec git rerere}
1063        }
1064
1065        # -- Run the post-commit hook.
1066        #
1067        set pchook [gitdir hooks post-commit]
1068        if {[is_Windows] && [file isfile $pchook]} {
1069                set pchook [list sh -c [concat \
1070                        "if test -x \"$pchook\";" \
1071                        "then exec \"$pchook\";" \
1072                        "fi"]]
1073        } elseif {![file executable $pchook]} {
1074                set pchook {}
1075        }
1076        if {$pchook ne {}} {
1077                catch {exec $pchook &}
1078        }
1079
1080        $ui_comm delete 0.0 end
1081        $ui_comm edit reset
1082        $ui_comm edit modified false
1083
1084        if {$single_commit} do_quit
1085
1086        # -- Update in memory status
1087        #
1088        set selected_commit_type new
1089        set commit_type normal
1090        set HEAD $cmt_id
1091        set PARENT $cmt_id
1092        set MERGE_HEAD [list]
1093
1094        foreach path [array names file_states] {
1095                set s $file_states($path)
1096                set m [lindex $s 0]
1097                switch -glob -- $m {
1098                _O -
1099                _M -
1100                _D {continue}
1101                __ -
1102                A_ -
1103                M_ -
1104                D_ {
1105                        unset file_states($path)
1106                        catch {unset selected_paths($path)}
1107                }
1108                DO {
1109                        set file_states($path) [list _O [lindex $s 1] {} {}]
1110                }
1111                AM -
1112                AD -
1113                MM -
1114                MD {
1115                        set file_states($path) [list \
1116                                _[string index $m 1] \
1117                                [lindex $s 1] \
1118                                [lindex $s 3] \
1119                                {}]
1120                }
1121                }
1122        }
1123
1124        display_all_files
1125        unlock_index
1126        reshow_diff
1127        set ui_status_value \
1128                "Changes committed as [string range $cmt_id 0 7]."
1129}
1130
1131######################################################################
1132##
1133## fetch pull push
1134
1135proc fetch_from {remote} {
1136        set w [new_console "fetch $remote" \
1137                "Fetching new changes from $remote"]
1138        set cmd [list git fetch]
1139        lappend cmd $remote
1140        console_exec $w $cmd
1141}
1142
1143proc pull_remote {remote branch} {
1144        global HEAD commit_type file_states repo_config
1145
1146        if {![lock_index update]} return
1147
1148        # -- Our in memory state should match the repository.
1149        #
1150        repository_state curType curHEAD curMERGE_HEAD
1151        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1152                info_popup {Last scanned state does not match repository state.
1153
1154Another Git program has modified this repository
1155since the last scan.  A rescan must be performed
1156before a pull operation can be started.
1157
1158The rescan will be automatically started now.
1159}
1160                unlock_index
1161                rescan {set ui_status_value {Ready.}}
1162                return
1163        }
1164
1165        # -- No differences should exist before a pull.
1166        #
1167        if {[array size file_states] != 0} {
1168                error_popup {Uncommitted but modified files are present.
1169
1170You should not perform a pull with unmodified
1171files in your working directory as Git will be
1172unable to recover from an incorrect merge.
1173
1174You should commit or revert all changes before
1175starting a pull operation.
1176}
1177                unlock_index
1178                return
1179        }
1180
1181        set w [new_console "pull $remote $branch" \
1182                "Pulling new changes from branch $branch in $remote"]
1183        set cmd [list git pull]
1184        if {$repo_config(gui.pullsummary) eq {false}} {
1185                lappend cmd --no-summary
1186        }
1187        lappend cmd $remote
1188        lappend cmd $branch
1189        console_exec $w $cmd [list post_pull_remote $remote $branch]
1190}
1191
1192proc post_pull_remote {remote branch success} {
1193        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1194        global ui_status_value
1195
1196        unlock_index
1197        if {$success} {
1198                repository_state commit_type HEAD MERGE_HEAD
1199                set PARENT $HEAD
1200                set selected_commit_type new
1201                set ui_status_value "Pulling $branch from $remote complete."
1202        } else {
1203                rescan [list set ui_status_value \
1204                        "Conflicts detected while pulling $branch from $remote."]
1205        }
1206}
1207
1208proc push_to {remote} {
1209        set w [new_console "push $remote" \
1210                "Pushing changes to $remote"]
1211        set cmd [list git push]
1212        lappend cmd $remote
1213        console_exec $w $cmd
1214}
1215
1216######################################################################
1217##
1218## ui helpers
1219
1220proc mapicon {w state path} {
1221        global all_icons
1222
1223        if {[catch {set r $all_icons($state$w)}]} {
1224                puts "error: no icon for $w state={$state} $path"
1225                return file_plain
1226        }
1227        return $r
1228}
1229
1230proc mapdesc {state path} {
1231        global all_descs
1232
1233        if {[catch {set r $all_descs($state)}]} {
1234                puts "error: no desc for state={$state} $path"
1235                return $state
1236        }
1237        return $r
1238}
1239
1240proc escape_path {path} {
1241        regsub -all "\n" $path "\\n" path
1242        return $path
1243}
1244
1245proc short_path {path} {
1246        return [escape_path [lindex [file split $path] end]]
1247}
1248
1249set next_icon_id 0
1250set null_sha1 [string repeat 0 40]
1251
1252proc merge_state {path new_state {head_info {}} {index_info {}}} {
1253        global file_states next_icon_id null_sha1
1254
1255        set s0 [string index $new_state 0]
1256        set s1 [string index $new_state 1]
1257
1258        if {[catch {set info $file_states($path)}]} {
1259                set state __
1260                set icon n[incr next_icon_id]
1261        } else {
1262                set state [lindex $info 0]
1263                set icon [lindex $info 1]
1264                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1265                if {$index_info eq {}} {set index_info [lindex $info 3]}
1266        }
1267
1268        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1269        elseif {$s0 eq {_}} {set s0 _}
1270
1271        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1272        elseif {$s1 eq {_}} {set s1 _}
1273
1274        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1275                set head_info [list 0 $null_sha1]
1276        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1277                && $head_info eq {}} {
1278                set head_info $index_info
1279        }
1280
1281        set file_states($path) [list $s0$s1 $icon \
1282                $head_info $index_info \
1283                ]
1284        return $state
1285}
1286
1287proc display_file_helper {w path icon_name old_m new_m} {
1288        global file_lists
1289
1290        if {$new_m eq {_}} {
1291                set lno [lsearch -sorted $file_lists($w) $path]
1292                if {$lno >= 0} {
1293                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1294                        incr lno
1295                        $w conf -state normal
1296                        $w delete $lno.0 [expr {$lno + 1}].0
1297                        $w conf -state disabled
1298                }
1299        } elseif {$old_m eq {_} && $new_m ne {_}} {
1300                lappend file_lists($w) $path
1301                set file_lists($w) [lsort -unique $file_lists($w)]
1302                set lno [lsearch -sorted $file_lists($w) $path]
1303                incr lno
1304                $w conf -state normal
1305                $w image create $lno.0 \
1306                        -align center -padx 5 -pady 1 \
1307                        -name $icon_name \
1308                        -image [mapicon $w $new_m $path]
1309                $w insert $lno.1 "[escape_path $path]\n"
1310                $w conf -state disabled
1311        } elseif {$old_m ne $new_m} {
1312                $w conf -state normal
1313                $w image conf $icon_name -image [mapicon $w $new_m $path]
1314                $w conf -state disabled
1315        }
1316}
1317
1318proc display_file {path state} {
1319        global file_states selected_paths
1320        global ui_index ui_workdir
1321
1322        set old_m [merge_state $path $state]
1323        set s $file_states($path)
1324        set new_m [lindex $s 0]
1325        set icon_name [lindex $s 1]
1326
1327        set o [string index $old_m 0]
1328        set n [string index $new_m 0]
1329        if {$o eq {U}} {
1330                set o _
1331        }
1332        if {$n eq {U}} {
1333                set n _
1334        }
1335        display_file_helper     $ui_index $path $icon_name $o $n
1336
1337        if {[string index $old_m 0] eq {U}} {
1338                set o U
1339        } else {
1340                set o [string index $old_m 1]
1341        }
1342        if {[string index $new_m 0] eq {U}} {
1343                set n U
1344        } else {
1345                set n [string index $new_m 1]
1346        }
1347        display_file_helper     $ui_workdir $path $icon_name $o $n
1348
1349        if {$new_m eq {__}} {
1350                unset file_states($path)
1351                catch {unset selected_paths($path)}
1352        }
1353}
1354
1355proc display_all_files_helper {w path icon_name m} {
1356        global file_lists
1357
1358        lappend file_lists($w) $path
1359        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1360        $w image create end \
1361                -align center -padx 5 -pady 1 \
1362                -name $icon_name \
1363                -image [mapicon $w $m $path]
1364        $w insert end "[escape_path $path]\n"
1365}
1366
1367proc display_all_files {} {
1368        global ui_index ui_workdir
1369        global file_states file_lists
1370        global last_clicked
1371
1372        $ui_index conf -state normal
1373        $ui_workdir conf -state normal
1374
1375        $ui_index delete 0.0 end
1376        $ui_workdir delete 0.0 end
1377        set last_clicked {}
1378
1379        set file_lists($ui_index) [list]
1380        set file_lists($ui_workdir) [list]
1381
1382        foreach path [lsort [array names file_states]] {
1383                set s $file_states($path)
1384                set m [lindex $s 0]
1385                set icon_name [lindex $s 1]
1386
1387                set s [string index $m 0]
1388                if {$s ne {U} && $s ne {_}} {
1389                        display_all_files_helper $ui_index $path \
1390                                $icon_name $s
1391                }
1392
1393                if {[string index $m 0] eq {U}} {
1394                        set s U
1395                } else {
1396                        set s [string index $m 1]
1397                }
1398                if {$s ne {_}} {
1399                        display_all_files_helper $ui_workdir $path \
1400                                $icon_name $s
1401                }
1402        }
1403
1404        $ui_index conf -state disabled
1405        $ui_workdir conf -state disabled
1406}
1407
1408proc update_indexinfo {msg pathList after} {
1409        global update_index_cp ui_status_value
1410
1411        if {![lock_index update]} return
1412
1413        set update_index_cp 0
1414        set pathList [lsort $pathList]
1415        set totalCnt [llength $pathList]
1416        set batch [expr {int($totalCnt * .01) + 1}]
1417        if {$batch > 25} {set batch 25}
1418
1419        set ui_status_value [format \
1420                "$msg... %i/%i files (%.2f%%)" \
1421                $update_index_cp \
1422                $totalCnt \
1423                0.0]
1424        set fd [open "| git update-index -z --index-info" w]
1425        fconfigure $fd \
1426                -blocking 0 \
1427                -buffering full \
1428                -buffersize 512 \
1429                -translation binary
1430        fileevent $fd writable [list \
1431                write_update_indexinfo \
1432                $fd \
1433                $pathList \
1434                $totalCnt \
1435                $batch \
1436                $msg \
1437                $after \
1438                ]
1439}
1440
1441proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1442        global update_index_cp ui_status_value
1443        global file_states current_diff_path
1444
1445        if {$update_index_cp >= $totalCnt} {
1446                close $fd
1447                unlock_index
1448                uplevel #0 $after
1449                return
1450        }
1451
1452        for {set i $batch} \
1453                {$update_index_cp < $totalCnt && $i > 0} \
1454                {incr i -1} {
1455                set path [lindex $pathList $update_index_cp]
1456                incr update_index_cp
1457
1458                set s $file_states($path)
1459                switch -glob -- [lindex $s 0] {
1460                A? {set new _O}
1461                M? {set new _M}
1462                D_ {set new _D}
1463                D? {set new _?}
1464                ?? {continue}
1465                }
1466                set info [lindex $s 2]
1467                if {$info eq {}} continue
1468
1469                puts -nonewline $fd "$info\t$path\0"
1470                display_file $path $new
1471        }
1472
1473        set ui_status_value [format \
1474                "$msg... %i/%i files (%.2f%%)" \
1475                $update_index_cp \
1476                $totalCnt \
1477                [expr {100.0 * $update_index_cp / $totalCnt}]]
1478}
1479
1480proc update_index {msg pathList after} {
1481        global update_index_cp ui_status_value
1482
1483        if {![lock_index update]} return
1484
1485        set update_index_cp 0
1486        set pathList [lsort $pathList]
1487        set totalCnt [llength $pathList]
1488        set batch [expr {int($totalCnt * .01) + 1}]
1489        if {$batch > 25} {set batch 25}
1490
1491        set ui_status_value [format \
1492                "$msg... %i/%i files (%.2f%%)" \
1493                $update_index_cp \
1494                $totalCnt \
1495                0.0]
1496        set fd [open "| git update-index --add --remove -z --stdin" w]
1497        fconfigure $fd \
1498                -blocking 0 \
1499                -buffering full \
1500                -buffersize 512 \
1501                -translation binary
1502        fileevent $fd writable [list \
1503                write_update_index \
1504                $fd \
1505                $pathList \
1506                $totalCnt \
1507                $batch \
1508                $msg \
1509                $after \
1510                ]
1511}
1512
1513proc write_update_index {fd pathList totalCnt batch msg after} {
1514        global update_index_cp ui_status_value
1515        global file_states current_diff_path
1516
1517        if {$update_index_cp >= $totalCnt} {
1518                close $fd
1519                unlock_index
1520                uplevel #0 $after
1521                return
1522        }
1523
1524        for {set i $batch} \
1525                {$update_index_cp < $totalCnt && $i > 0} \
1526                {incr i -1} {
1527                set path [lindex $pathList $update_index_cp]
1528                incr update_index_cp
1529
1530                switch -glob -- [lindex $file_states($path) 0] {
1531                AD {set new __}
1532                ?D {set new D_}
1533                _O -
1534                AM {set new A_}
1535                U? {
1536                        if {[file exists $path]} {
1537                                set new M_
1538                        } else {
1539                                set new D_
1540                        }
1541                }
1542                ?M {set new M_}
1543                ?? {continue}
1544                }
1545                puts -nonewline $fd "$path\0"
1546                display_file $path $new
1547        }
1548
1549        set ui_status_value [format \
1550                "$msg... %i/%i files (%.2f%%)" \
1551                $update_index_cp \
1552                $totalCnt \
1553                [expr {100.0 * $update_index_cp / $totalCnt}]]
1554}
1555
1556proc checkout_index {msg pathList after} {
1557        global update_index_cp ui_status_value
1558
1559        if {![lock_index update]} return
1560
1561        set update_index_cp 0
1562        set pathList [lsort $pathList]
1563        set totalCnt [llength $pathList]
1564        set batch [expr {int($totalCnt * .01) + 1}]
1565        if {$batch > 25} {set batch 25}
1566
1567        set ui_status_value [format \
1568                "$msg... %i/%i files (%.2f%%)" \
1569                $update_index_cp \
1570                $totalCnt \
1571                0.0]
1572        set cmd [list git checkout-index]
1573        lappend cmd --index
1574        lappend cmd --quiet
1575        lappend cmd --force
1576        lappend cmd -z
1577        lappend cmd --stdin
1578        set fd [open "| $cmd " w]
1579        fconfigure $fd \
1580                -blocking 0 \
1581                -buffering full \
1582                -buffersize 512 \
1583                -translation binary
1584        fileevent $fd writable [list \
1585                write_checkout_index \
1586                $fd \
1587                $pathList \
1588                $totalCnt \
1589                $batch \
1590                $msg \
1591                $after \
1592                ]
1593}
1594
1595proc write_checkout_index {fd pathList totalCnt batch msg after} {
1596        global update_index_cp ui_status_value
1597        global file_states current_diff_path
1598
1599        if {$update_index_cp >= $totalCnt} {
1600                close $fd
1601                unlock_index
1602                uplevel #0 $after
1603                return
1604        }
1605
1606        for {set i $batch} \
1607                {$update_index_cp < $totalCnt && $i > 0} \
1608                {incr i -1} {
1609                set path [lindex $pathList $update_index_cp]
1610                incr update_index_cp
1611                switch -glob -- [lindex $file_states($path) 0] {
1612                U? {continue}
1613                ?M -
1614                ?D {
1615                        puts -nonewline $fd "$path\0"
1616                        display_file $path ?_
1617                }
1618                }
1619        }
1620
1621        set ui_status_value [format \
1622                "$msg... %i/%i files (%.2f%%)" \
1623                $update_index_cp \
1624                $totalCnt \
1625                [expr {100.0 * $update_index_cp / $totalCnt}]]
1626}
1627
1628######################################################################
1629##
1630## branch management
1631
1632proc load_all_heads {} {
1633        global all_heads tracking_branches
1634
1635        set all_heads [list]
1636        set cmd [list git for-each-ref]
1637        lappend cmd --format=%(refname)
1638        lappend cmd refs/heads
1639        set fd [open "| $cmd" r]
1640        while {[gets $fd line] > 0} {
1641                if {![catch {set info $tracking_branches($line)}]} continue
1642                if {![regsub ^refs/heads/ $line {} name]} continue
1643                lappend all_heads $name
1644        }
1645        close $fd
1646
1647        set all_heads [lsort $all_heads]
1648}
1649
1650proc populate_branch_menu {} {
1651        global all_heads disable_on_lock
1652
1653        set m .mbar.branch
1654        set last [$m index last]
1655        for {set i 0} {$i <= $last} {incr i} {
1656                if {[$m type $i] eq {separator}} {
1657                        $m delete $i last
1658                        set new_dol [list]
1659                        foreach a $disable_on_lock {
1660                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1661                                        lappend new_dol $a
1662                                }
1663                        }
1664                        set disable_on_lock $new_dol
1665                        break
1666                }
1667        }
1668
1669        $m add separator
1670        foreach b $all_heads {
1671                $m add radiobutton \
1672                        -label $b \
1673                        -command [list switch_branch $b] \
1674                        -variable current_branch \
1675                        -value $b \
1676                        -font font_ui
1677                lappend disable_on_lock \
1678                        [list $m entryconf [$m index last] -state]
1679        }
1680}
1681
1682proc all_tracking_branches {} {
1683        global tracking_branches
1684
1685        set all_trackings [list]
1686        foreach b [array names tracking_branches] {
1687                regsub ^refs/(heads|remotes)/ $b {} b
1688                lappend all_trackings $b
1689        }
1690        return [lsort -unique $all_trackings]
1691}
1692
1693proc do_create_branch_action {w} {
1694        global all_heads null_sha1
1695        global create_branch_checkout create_branch_revtype
1696        global create_branch_head create_branch_trackinghead
1697
1698        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1699        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1700                tk_messageBox \
1701                        -icon error \
1702                        -type ok \
1703                        -title [wm title $w] \
1704                        -parent $w \
1705                        -message "Branch '$newbranch' already exists."
1706                focus $w.desc.name_t
1707                return
1708        }
1709        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1710                tk_messageBox \
1711                        -icon error \
1712                        -type ok \
1713                        -title [wm title $w] \
1714                        -parent $w \
1715                        -message "We do not like '$newbranch' as a branch name."
1716                focus $w.desc.name_t
1717                return
1718        }
1719
1720        set rev {}
1721        switch -- $create_branch_revtype {
1722        head {set rev $create_branch_head}
1723        tracking {set rev $create_branch_trackinghead}
1724        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1725        }
1726        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1727                tk_messageBox \
1728                        -icon error \
1729                        -type ok \
1730                        -title [wm title $w] \
1731                        -parent $w \
1732                        -message "Invalid starting revision: $rev"
1733                return
1734        }
1735        set cmd [list git update-ref]
1736        lappend cmd -m
1737        lappend cmd "branch: Created from $rev"
1738        lappend cmd "refs/heads/$newbranch"
1739        lappend cmd $cmt
1740        lappend cmd $null_sha1
1741        if {[catch {eval exec $cmd} err]} {
1742                tk_messageBox \
1743                        -icon error \
1744                        -type ok \
1745                        -title [wm title $w] \
1746                        -parent $w \
1747                        -message "Failed to create '$newbranch'.\n\n$err"
1748                return
1749        }
1750
1751        lappend all_heads $newbranch
1752        set all_heads [lsort $all_heads]
1753        populate_branch_menu
1754        destroy $w
1755        if {$create_branch_checkout} {
1756                switch_branch $newbranch
1757        }
1758}
1759
1760proc do_create_branch {} {
1761        global all_heads current_branch
1762        global create_branch_checkout create_branch_revtype
1763        global create_branch_head create_branch_trackinghead
1764
1765        set create_branch_checkout 1
1766        set create_branch_revtype head
1767        set create_branch_head $current_branch
1768        set create_branch_trackinghead {}
1769
1770        set w .branch_editor
1771        toplevel $w
1772        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1773
1774        label $w.header -text {Create New Branch} \
1775                -font font_uibold
1776        pack $w.header -side top -fill x
1777
1778        frame $w.buttons
1779        button $w.buttons.create -text Create \
1780                -font font_ui \
1781                -default active \
1782                -command [list do_create_branch_action $w]
1783        pack $w.buttons.create -side right
1784        button $w.buttons.cancel -text {Cancel} \
1785                -font font_ui \
1786                -command [list destroy $w]
1787        pack $w.buttons.cancel -side right -padx 5
1788        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1789
1790        labelframe $w.desc \
1791                -text {Branch Description} \
1792                -font font_ui
1793        label $w.desc.name_l -text {Name:} -font font_ui
1794        text $w.desc.name_t \
1795                -borderwidth 1 \
1796                -relief sunken \
1797                -height 1 \
1798                -width 40 \
1799                -font font_ui
1800        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1801        bind $w.desc.name_t <Shift-Key-Tab> "focus $w.postActions.checkout;break"
1802        bind $w.desc.name_t <Key-Tab> "focus $w.from.exp_t;break"
1803        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1804        bind $w.desc.name_t <Key> {
1805                if {{%K} ne {BackSpace}
1806                        && {%K} ne {Tab}
1807                        && {%K} ne {Escape}
1808                        && {%K} ne {Return}} {
1809                        if {%k <= 32} break
1810                        if {[string first %A {~^:?*[}] >= 0} break
1811                }
1812        }
1813        grid columnconfigure $w.desc 1 -weight 1
1814        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1815
1816        labelframe $w.from \
1817                -text {Starting Revision} \
1818                -font font_ui
1819        radiobutton $w.from.head_r \
1820                -text {Local Branch:} \
1821                -value head \
1822                -variable create_branch_revtype \
1823                -font font_ui
1824        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1825        grid $w.from.head_r $w.from.head_m -sticky w
1826        set all_trackings [all_tracking_branches]
1827        if {$all_trackings ne {}} {
1828                set create_branch_trackinghead [lindex $all_trackings 0]
1829                radiobutton $w.from.tracking_r \
1830                        -text {Tracking Branch:} \
1831                        -value tracking \
1832                        -variable create_branch_revtype \
1833                        -font font_ui
1834                eval tk_optionMenu $w.from.tracking_m \
1835                        create_branch_trackinghead \
1836                        $all_trackings
1837                grid $w.from.tracking_r $w.from.tracking_m -sticky w
1838        }
1839        radiobutton $w.from.exp_r \
1840                -text {Revision Expression:} \
1841                -value expression \
1842                -variable create_branch_revtype \
1843                -font font_ui
1844        text $w.from.exp_t \
1845                -borderwidth 1 \
1846                -relief sunken \
1847                -height 1 \
1848                -width 50 \
1849                -font font_ui
1850        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1851        bind $w.from.exp_t <Shift-Key-Tab> "focus $w.desc.name_t;break"
1852        bind $w.from.exp_t <Key-Tab> "focus $w.postActions.checkout;break"
1853        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1854        grid columnconfigure $w.from 1 -weight 1
1855        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1856
1857        labelframe $w.postActions \
1858                -text {Post Creation Actions} \
1859                -font font_ui
1860        checkbutton $w.postActions.checkout \
1861                -text {Checkout after creation} \
1862                -variable create_branch_checkout \
1863                -font font_ui
1864        pack $w.postActions.checkout -anchor nw
1865        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1866
1867        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1868        bind $w <Key-Escape> "destroy $w"
1869        bind $w <Key-Return> "do_create_branch_action $w;break"
1870        wm title $w "[appname] ([reponame]): Create Branch"
1871        tkwait window $w
1872}
1873
1874proc do_delete_branch_action {w} {
1875        global all_heads
1876        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1877
1878        set check_rev {}
1879        switch -- $delete_branch_checktype {
1880        head {set check_rev $delete_branch_head}
1881        tracking {set check_rev $delete_branch_trackinghead}
1882        always {set check_rev {:none}}
1883        }
1884        if {$check_rev eq {:none}} {
1885                set check_cmt {}
1886        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
1887                tk_messageBox \
1888                        -icon error \
1889                        -type ok \
1890                        -title [wm title $w] \
1891                        -parent $w \
1892                        -message "Invalid check revision: $check_rev"
1893                return
1894        }
1895
1896        set to_delete [list]
1897        set not_merged [list]
1898        foreach i [$w.list.l curselection] {
1899                set b [$w.list.l get $i]
1900                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1901                if {$check_cmt ne {}} {
1902                        if {$b eq $check_rev} continue
1903                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
1904                        if {$o ne $m} {
1905                                lappend not_merged $b
1906                                continue
1907                        }
1908                }
1909                lappend to_delete [list $b $o]
1910        }
1911        if {$not_merged ne {}} {
1912                set msg "The following branches are not completely merged into $check_rev:
1913
1914 - [join $not_merged "\n - "]"
1915                tk_messageBox \
1916                        -icon info \
1917                        -type ok \
1918                        -title [wm title $w] \
1919                        -parent $w \
1920                        -message $msg
1921        }
1922        if {$to_delete eq {}} return
1923        if {$delete_branch_checktype eq {always}} {
1924                set msg {Recovering deleted branches is difficult.
1925
1926Delete the selected branches?}
1927                if {[tk_messageBox \
1928                        -icon warning \
1929                        -type yesno \
1930                        -title [wm title $w] \
1931                        -parent $w \
1932                        -message $msg] ne yes} {
1933                        return
1934                }
1935        }
1936
1937        set failed {}
1938        foreach i $to_delete {
1939                set b [lindex $i 0]
1940                set o [lindex $i 1]
1941                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
1942                        append failed " - $b: $err\n"
1943                } else {
1944                        set x [lsearch -sorted $all_heads $b]
1945                        if {$x >= 0} {
1946                                set all_heads [lreplace $all_heads $x $x]
1947                        }
1948                }
1949        }
1950
1951        if {$failed ne {}} {
1952                tk_messageBox \
1953                        -icon error \
1954                        -type ok \
1955                        -title [wm title $w] \
1956                        -parent $w \
1957                        -message "Failed to delete branches:\n$failed"
1958        }
1959
1960        set all_heads [lsort $all_heads]
1961        populate_branch_menu
1962        destroy $w
1963}
1964
1965proc do_delete_branch {} {
1966        global all_heads tracking_branches current_branch
1967        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1968
1969        set delete_branch_checktype head
1970        set delete_branch_head $current_branch
1971        set delete_branch_trackinghead {}
1972
1973        set w .branch_editor
1974        toplevel $w
1975        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1976
1977        label $w.header -text {Delete Local Branch} \
1978                -font font_uibold
1979        pack $w.header -side top -fill x
1980
1981        frame $w.buttons
1982        button $w.buttons.create -text Delete \
1983                -font font_ui \
1984                -command [list do_delete_branch_action $w]
1985        pack $w.buttons.create -side right
1986        button $w.buttons.cancel -text {Cancel} \
1987                -font font_ui \
1988                -command [list destroy $w]
1989        pack $w.buttons.cancel -side right -padx 5
1990        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1991
1992        labelframe $w.list \
1993                -text {Local Branches} \
1994                -font font_ui
1995        listbox $w.list.l \
1996                -height 10 \
1997                -width 50 \
1998                -selectmode extended \
1999                -font font_ui
2000        foreach h $all_heads {
2001                if {$h ne $current_branch} {
2002                        $w.list.l insert end $h
2003                }
2004        }
2005        pack $w.list.l -fill both -pady 5 -padx 5
2006        pack $w.list -fill both -pady 5 -padx 5
2007
2008        labelframe $w.validate \
2009                -text {Delete Only If} \
2010                -font font_ui
2011        radiobutton $w.validate.head_r \
2012                -text {Merged Into Local Branch:} \
2013                -value head \
2014                -variable delete_branch_checktype \
2015                -font font_ui
2016        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2017        grid $w.validate.head_r $w.validate.head_m -sticky w
2018        set all_trackings [all_tracking_branches]
2019        if {$all_trackings ne {}} {
2020                set delete_branch_trackinghead [lindex $all_trackings 0]
2021                radiobutton $w.validate.tracking_r \
2022                        -text {Merged Into Tracking Branch:} \
2023                        -value tracking \
2024                        -variable delete_branch_checktype \
2025                        -font font_ui
2026                eval tk_optionMenu $w.validate.tracking_m \
2027                        delete_branch_trackinghead \
2028                        $all_trackings
2029                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2030        }
2031        radiobutton $w.validate.always_r \
2032                -text {Always (Do not perform merge checks)} \
2033                -value always \
2034                -variable delete_branch_checktype \
2035                -font font_ui
2036        grid $w.validate.always_r -columnspan 2 -sticky w
2037        grid columnconfigure $w.validate 1 -weight 1
2038        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2039
2040        bind $w <Visibility> "grab $w; focus $w"
2041        bind $w <Key-Escape> "destroy $w"
2042        wm title $w "[appname] ([reponame]): Delete Branch"
2043        tkwait window $w
2044}
2045
2046proc switch_branch {b} {
2047        global HEAD commit_type file_states current_branch
2048        global selected_commit_type ui_comm
2049
2050        if {![lock_index switch]} return
2051
2052        # -- Backup the selected branch (repository_state resets it)
2053        #
2054        set new_branch $current_branch
2055
2056        # -- Our in memory state should match the repository.
2057        #
2058        repository_state curType curHEAD curMERGE_HEAD
2059        if {[string match amend* $commit_type]
2060                && $curType eq {normal}
2061                && $curHEAD eq $HEAD} {
2062        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2063                info_popup {Last scanned state does not match repository state.
2064
2065Another Git program has modified this repository
2066since the last scan.  A rescan must be performed
2067before the current branch can be changed.
2068
2069The rescan will be automatically started now.
2070}
2071                unlock_index
2072                rescan {set ui_status_value {Ready.}}
2073                return
2074        }
2075
2076        # -- Toss the message buffer if we are in amend mode.
2077        #
2078        if {[string match amend* $curType]} {
2079                $ui_comm delete 0.0 end
2080                $ui_comm edit reset
2081                $ui_comm edit modified false
2082        }
2083
2084        set selected_commit_type new
2085        set current_branch $new_branch
2086
2087        unlock_index
2088        error "NOT FINISHED"
2089}
2090
2091######################################################################
2092##
2093## remote management
2094
2095proc load_all_remotes {} {
2096        global repo_config
2097        global all_remotes tracking_branches
2098
2099        set all_remotes [list]
2100        array unset tracking_branches
2101
2102        set rm_dir [gitdir remotes]
2103        if {[file isdirectory $rm_dir]} {
2104                set all_remotes [glob \
2105                        -types f \
2106                        -tails \
2107                        -nocomplain \
2108                        -directory $rm_dir *]
2109
2110                foreach name $all_remotes {
2111                        catch {
2112                                set fd [open [file join $rm_dir $name] r]
2113                                while {[gets $fd line] >= 0} {
2114                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2115                                                $line line src dst]} continue
2116                                        if {![regexp ^refs/ $dst]} {
2117                                                set dst "refs/heads/$dst"
2118                                        }
2119                                        set tracking_branches($dst) [list $name $src]
2120                                }
2121                                close $fd
2122                        }
2123                }
2124        }
2125
2126        foreach line [array names repo_config remote.*.url] {
2127                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2128                lappend all_remotes $name
2129
2130                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2131                        set fl {}
2132                }
2133                foreach line $fl {
2134                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2135                        if {![regexp ^refs/ $dst]} {
2136                                set dst "refs/heads/$dst"
2137                        }
2138                        set tracking_branches($dst) [list $name $src]
2139                }
2140        }
2141
2142        set all_remotes [lsort -unique $all_remotes]
2143}
2144
2145proc populate_fetch_menu {m} {
2146        global all_remotes repo_config
2147
2148        foreach r $all_remotes {
2149                set enable 0
2150                if {![catch {set a $repo_config(remote.$r.url)}]} {
2151                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2152                                set enable 1
2153                        }
2154                } else {
2155                        catch {
2156                                set fd [open [gitdir remotes $r] r]
2157                                while {[gets $fd n] >= 0} {
2158                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2159                                                set enable 1
2160                                                break
2161                                        }
2162                                }
2163                                close $fd
2164                        }
2165                }
2166
2167                if {$enable} {
2168                        $m add command \
2169                                -label "Fetch from $r..." \
2170                                -command [list fetch_from $r] \
2171                                -font font_ui
2172                }
2173        }
2174}
2175
2176proc populate_push_menu {m} {
2177        global all_remotes repo_config
2178
2179        foreach r $all_remotes {
2180                set enable 0
2181                if {![catch {set a $repo_config(remote.$r.url)}]} {
2182                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2183                                set enable 1
2184                        }
2185                } else {
2186                        catch {
2187                                set fd [open [gitdir remotes $r] r]
2188                                while {[gets $fd n] >= 0} {
2189                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2190                                                set enable 1
2191                                                break
2192                                        }
2193                                }
2194                                close $fd
2195                        }
2196                }
2197
2198                if {$enable} {
2199                        $m add command \
2200                                -label "Push to $r..." \
2201                                -command [list push_to $r] \
2202                                -font font_ui
2203                }
2204        }
2205}
2206
2207proc populate_pull_menu {m} {
2208        global repo_config all_remotes disable_on_lock
2209
2210        foreach remote $all_remotes {
2211                set rb_list [list]
2212                if {[array get repo_config remote.$remote.url] ne {}} {
2213                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2214                                foreach line $repo_config(remote.$remote.fetch) {
2215                                        if {[regexp {^([^:]+):} $line line rb]} {
2216                                                lappend rb_list $rb
2217                                        }
2218                                }
2219                        }
2220                } else {
2221                        catch {
2222                                set fd [open [gitdir remotes $remote] r]
2223                                while {[gets $fd line] >= 0} {
2224                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2225                                                lappend rb_list $rb
2226                                        }
2227                                }
2228                                close $fd
2229                        }
2230                }
2231
2232                foreach rb $rb_list {
2233                        regsub ^refs/heads/ $rb {} rb_short
2234                        $m add command \
2235                                -label "Branch $rb_short from $remote..." \
2236                                -command [list pull_remote $remote $rb] \
2237                                -font font_ui
2238                        lappend disable_on_lock \
2239                                [list $m entryconf [$m index last] -state]
2240                }
2241        }
2242}
2243
2244######################################################################
2245##
2246## icons
2247
2248set filemask {
2249#define mask_width 14
2250#define mask_height 15
2251static unsigned char mask_bits[] = {
2252   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2253   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2254   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2255}
2256
2257image create bitmap file_plain -background white -foreground black -data {
2258#define plain_width 14
2259#define plain_height 15
2260static unsigned char plain_bits[] = {
2261   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2262   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2263   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2264} -maskdata $filemask
2265
2266image create bitmap file_mod -background white -foreground blue -data {
2267#define mod_width 14
2268#define mod_height 15
2269static unsigned char mod_bits[] = {
2270   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2271   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2272   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2273} -maskdata $filemask
2274
2275image create bitmap file_fulltick -background white -foreground "#007000" -data {
2276#define file_fulltick_width 14
2277#define file_fulltick_height 15
2278static unsigned char file_fulltick_bits[] = {
2279   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2280   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2281   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2282} -maskdata $filemask
2283
2284image create bitmap file_parttick -background white -foreground "#005050" -data {
2285#define parttick_width 14
2286#define parttick_height 15
2287static unsigned char parttick_bits[] = {
2288   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2289   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2290   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2291} -maskdata $filemask
2292
2293image create bitmap file_question -background white -foreground black -data {
2294#define file_question_width 14
2295#define file_question_height 15
2296static unsigned char file_question_bits[] = {
2297   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2298   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2299   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2300} -maskdata $filemask
2301
2302image create bitmap file_removed -background white -foreground red -data {
2303#define file_removed_width 14
2304#define file_removed_height 15
2305static unsigned char file_removed_bits[] = {
2306   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2307   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2308   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2309} -maskdata $filemask
2310
2311image create bitmap file_merge -background white -foreground blue -data {
2312#define file_merge_width 14
2313#define file_merge_height 15
2314static unsigned char file_merge_bits[] = {
2315   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2316   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2317   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2318} -maskdata $filemask
2319
2320set ui_index .vpane.files.index.list
2321set ui_workdir .vpane.files.workdir.list
2322
2323set all_icons(_$ui_index)   file_plain
2324set all_icons(A$ui_index)   file_fulltick
2325set all_icons(M$ui_index)   file_fulltick
2326set all_icons(D$ui_index)   file_removed
2327set all_icons(U$ui_index)   file_merge
2328
2329set all_icons(_$ui_workdir) file_plain
2330set all_icons(M$ui_workdir) file_mod
2331set all_icons(D$ui_workdir) file_question
2332set all_icons(U$ui_workdir) file_merge
2333set all_icons(O$ui_workdir) file_plain
2334
2335set max_status_desc 0
2336foreach i {
2337                {__ "Unmodified"}
2338
2339                {_M "Modified, not staged"}
2340                {M_ "Staged for commit"}
2341                {MM "Portions staged for commit"}
2342                {MD "Staged for commit, missing"}
2343
2344                {_O "Untracked, not staged"}
2345                {A_ "Staged for commit"}
2346                {AM "Portions staged for commit"}
2347                {AD "Staged for commit, missing"}
2348
2349                {_D "Missing"}
2350                {D_ "Staged for removal"}
2351                {DO "Staged for removal, still present"}
2352
2353                {U_ "Requires merge resolution"}
2354                {UU "Requires merge resolution"}
2355                {UM "Requires merge resolution"}
2356                {UD "Requires merge resolution"}
2357        } {
2358        if {$max_status_desc < [string length [lindex $i 1]]} {
2359                set max_status_desc [string length [lindex $i 1]]
2360        }
2361        set all_descs([lindex $i 0]) [lindex $i 1]
2362}
2363unset i
2364
2365######################################################################
2366##
2367## util
2368
2369proc is_MacOSX {} {
2370        global tcl_platform tk_library
2371        if {[tk windowingsystem] eq {aqua}} {
2372                return 1
2373        }
2374        return 0
2375}
2376
2377proc is_Windows {} {
2378        global tcl_platform
2379        if {$tcl_platform(platform) eq {windows}} {
2380                return 1
2381        }
2382        return 0
2383}
2384
2385proc bind_button3 {w cmd} {
2386        bind $w <Any-Button-3> $cmd
2387        if {[is_MacOSX]} {
2388                bind $w <Control-Button-1> $cmd
2389        }
2390}
2391
2392proc incr_font_size {font {amt 1}} {
2393        set sz [font configure $font -size]
2394        incr sz $amt
2395        font configure $font -size $sz
2396        font configure ${font}bold -size $sz
2397}
2398
2399proc hook_failed_popup {hook msg} {
2400        set w .hookfail
2401        toplevel $w
2402
2403        frame $w.m
2404        label $w.m.l1 -text "$hook hook failed:" \
2405                -anchor w \
2406                -justify left \
2407                -font font_uibold
2408        text $w.m.t \
2409                -background white -borderwidth 1 \
2410                -relief sunken \
2411                -width 80 -height 10 \
2412                -font font_diff \
2413                -yscrollcommand [list $w.m.sby set]
2414        label $w.m.l2 \
2415                -text {You must correct the above errors before committing.} \
2416                -anchor w \
2417                -justify left \
2418                -font font_uibold
2419        scrollbar $w.m.sby -command [list $w.m.t yview]
2420        pack $w.m.l1 -side top -fill x
2421        pack $w.m.l2 -side bottom -fill x
2422        pack $w.m.sby -side right -fill y
2423        pack $w.m.t -side left -fill both -expand 1
2424        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2425
2426        $w.m.t insert 1.0 $msg
2427        $w.m.t conf -state disabled
2428
2429        button $w.ok -text OK \
2430                -width 15 \
2431                -font font_ui \
2432                -command "destroy $w"
2433        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2434
2435        bind $w <Visibility> "grab $w; focus $w"
2436        bind $w <Key-Return> "destroy $w"
2437        wm title $w "[appname] ([reponame]): error"
2438        tkwait window $w
2439}
2440
2441set next_console_id 0
2442
2443proc new_console {short_title long_title} {
2444        global next_console_id console_data
2445        set w .console[incr next_console_id]
2446        set console_data($w) [list $short_title $long_title]
2447        return [console_init $w]
2448}
2449
2450proc console_init {w} {
2451        global console_cr console_data M1B
2452
2453        set console_cr($w) 1.0
2454        toplevel $w
2455        frame $w.m
2456        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2457                -anchor w \
2458                -justify left \
2459                -font font_uibold
2460        text $w.m.t \
2461                -background white -borderwidth 1 \
2462                -relief sunken \
2463                -width 80 -height 10 \
2464                -font font_diff \
2465                -state disabled \
2466                -yscrollcommand [list $w.m.sby set]
2467        label $w.m.s -text {Working... please wait...} \
2468                -anchor w \
2469                -justify left \
2470                -font font_uibold
2471        scrollbar $w.m.sby -command [list $w.m.t yview]
2472        pack $w.m.l1 -side top -fill x
2473        pack $w.m.s -side bottom -fill x
2474        pack $w.m.sby -side right -fill y
2475        pack $w.m.t -side left -fill both -expand 1
2476        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2477
2478        menu $w.ctxm -tearoff 0
2479        $w.ctxm add command -label "Copy" \
2480                -font font_ui \
2481                -command "tk_textCopy $w.m.t"
2482        $w.ctxm add command -label "Select All" \
2483                -font font_ui \
2484                -command "$w.m.t tag add sel 0.0 end"
2485        $w.ctxm add command -label "Copy All" \
2486                -font font_ui \
2487                -command "
2488                        $w.m.t tag add sel 0.0 end
2489                        tk_textCopy $w.m.t
2490                        $w.m.t tag remove sel 0.0 end
2491                "
2492
2493        button $w.ok -text {Close} \
2494                -font font_ui \
2495                -state disabled \
2496                -command "destroy $w"
2497        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2498
2499        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2500        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2501        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2502        bind $w <Visibility> "focus $w"
2503        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2504        return $w
2505}
2506
2507proc console_exec {w cmd {after {}}} {
2508        # -- Windows tosses the enviroment when we exec our child.
2509        #    But most users need that so we have to relogin. :-(
2510        #
2511        if {[is_Windows]} {
2512                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2513        }
2514
2515        # -- Tcl won't let us redirect both stdout and stderr to
2516        #    the same pipe.  So pass it through cat...
2517        #
2518        set cmd [concat | $cmd |& cat]
2519
2520        set fd_f [open $cmd r]
2521        fconfigure $fd_f -blocking 0 -translation binary
2522        fileevent $fd_f readable [list console_read $w $fd_f $after]
2523}
2524
2525proc console_read {w fd after} {
2526        global console_cr console_data
2527
2528        set buf [read $fd]
2529        if {$buf ne {}} {
2530                if {![winfo exists $w]} {console_init $w}
2531                $w.m.t conf -state normal
2532                set c 0
2533                set n [string length $buf]
2534                while {$c < $n} {
2535                        set cr [string first "\r" $buf $c]
2536                        set lf [string first "\n" $buf $c]
2537                        if {$cr < 0} {set cr [expr {$n + 1}]}
2538                        if {$lf < 0} {set lf [expr {$n + 1}]}
2539
2540                        if {$lf < $cr} {
2541                                $w.m.t insert end [string range $buf $c $lf]
2542                                set console_cr($w) [$w.m.t index {end -1c}]
2543                                set c $lf
2544                                incr c
2545                        } else {
2546                                $w.m.t delete $console_cr($w) end
2547                                $w.m.t insert end "\n"
2548                                $w.m.t insert end [string range $buf $c $cr]
2549                                set c $cr
2550                                incr c
2551                        }
2552                }
2553                $w.m.t conf -state disabled
2554                $w.m.t see end
2555        }
2556
2557        fconfigure $fd -blocking 1
2558        if {[eof $fd]} {
2559                if {[catch {close $fd}]} {
2560                        if {![winfo exists $w]} {console_init $w}
2561                        $w.m.s conf -background red -text {Error: Command Failed}
2562                        $w.ok conf -state normal
2563                        set ok 0
2564                } elseif {[winfo exists $w]} {
2565                        $w.m.s conf -background green -text {Success}
2566                        $w.ok conf -state normal
2567                        set ok 1
2568                }
2569                array unset console_cr $w
2570                array unset console_data $w
2571                if {$after ne {}} {
2572                        uplevel #0 $after $ok
2573                }
2574                return
2575        }
2576        fconfigure $fd -blocking 0
2577}
2578
2579######################################################################
2580##
2581## ui commands
2582
2583set starting_gitk_msg {Starting gitk... please wait...}
2584
2585proc do_gitk {revs} {
2586        global ui_status_value starting_gitk_msg
2587
2588        set cmd gitk
2589        if {$revs ne {}} {
2590                append cmd { }
2591                append cmd $revs
2592        }
2593        if {[is_Windows]} {
2594                set cmd "sh -c \"exec $cmd\""
2595        }
2596        append cmd { &}
2597
2598        if {[catch {eval exec $cmd} err]} {
2599                error_popup "Failed to start gitk:\n\n$err"
2600        } else {
2601                set ui_status_value $starting_gitk_msg
2602                after 10000 {
2603                        if {$ui_status_value eq $starting_gitk_msg} {
2604                                set ui_status_value {Ready.}
2605                        }
2606                }
2607        }
2608}
2609
2610proc do_gc {} {
2611        set w [new_console {gc} {Compressing the object database}]
2612        console_exec $w {git gc}
2613}
2614
2615proc do_fsck_objects {} {
2616        set w [new_console {fsck-objects} \
2617                {Verifying the object database with fsck-objects}]
2618        set cmd [list git fsck-objects]
2619        lappend cmd --full
2620        lappend cmd --cache
2621        lappend cmd --strict
2622        console_exec $w $cmd
2623}
2624
2625set is_quitting 0
2626
2627proc do_quit {} {
2628        global ui_comm is_quitting repo_config commit_type
2629
2630        if {$is_quitting} return
2631        set is_quitting 1
2632
2633        # -- Stash our current commit buffer.
2634        #
2635        set save [gitdir GITGUI_MSG]
2636        set msg [string trim [$ui_comm get 0.0 end]]
2637        if {![string match amend* $commit_type]
2638                && [$ui_comm edit modified]
2639                && $msg ne {}} {
2640                catch {
2641                        set fd [open $save w]
2642                        puts $fd [string trim [$ui_comm get 0.0 end]]
2643                        close $fd
2644                }
2645        } else {
2646                catch {file delete $save}
2647        }
2648
2649        # -- Stash our current window geometry into this repository.
2650        #
2651        set cfg_geometry [list]
2652        lappend cfg_geometry [wm geometry .]
2653        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2654        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2655        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2656                set rc_geometry {}
2657        }
2658        if {$cfg_geometry ne $rc_geometry} {
2659                catch {exec git repo-config gui.geometry $cfg_geometry}
2660        }
2661
2662        destroy .
2663}
2664
2665proc do_rescan {} {
2666        rescan {set ui_status_value {Ready.}}
2667}
2668
2669proc unstage_helper {txt paths} {
2670        global file_states current_diff_path
2671
2672        if {![lock_index begin-update]} return
2673
2674        set pathList [list]
2675        set after {}
2676        foreach path $paths {
2677                switch -glob -- [lindex $file_states($path) 0] {
2678                A? -
2679                M? -
2680                D? {
2681                        lappend pathList $path
2682                        if {$path eq $current_diff_path} {
2683                                set after {reshow_diff;}
2684                        }
2685                }
2686                }
2687        }
2688        if {$pathList eq {}} {
2689                unlock_index
2690        } else {
2691                update_indexinfo \
2692                        $txt \
2693                        $pathList \
2694                        [concat $after {set ui_status_value {Ready.}}]
2695        }
2696}
2697
2698proc do_unstage_selection {} {
2699        global current_diff_path selected_paths
2700
2701        if {[array size selected_paths] > 0} {
2702                unstage_helper \
2703                        {Unstaging selected files from commit} \
2704                        [array names selected_paths]
2705        } elseif {$current_diff_path ne {}} {
2706                unstage_helper \
2707                        "Unstaging [short_path $current_diff_path] from commit" \
2708                        [list $current_diff_path]
2709        }
2710}
2711
2712proc add_helper {txt paths} {
2713        global file_states current_diff_path
2714
2715        if {![lock_index begin-update]} return
2716
2717        set pathList [list]
2718        set after {}
2719        foreach path $paths {
2720                switch -glob -- [lindex $file_states($path) 0] {
2721                _O -
2722                ?M -
2723                ?D -
2724                U? {
2725                        lappend pathList $path
2726                        if {$path eq $current_diff_path} {
2727                                set after {reshow_diff;}
2728                        }
2729                }
2730                }
2731        }
2732        if {$pathList eq {}} {
2733                unlock_index
2734        } else {
2735                update_index \
2736                        $txt \
2737                        $pathList \
2738                        [concat $after {set ui_status_value {Ready to commit.}}]
2739        }
2740}
2741
2742proc do_add_selection {} {
2743        global current_diff_path selected_paths
2744
2745        if {[array size selected_paths] > 0} {
2746                add_helper \
2747                        {Adding selected files} \
2748                        [array names selected_paths]
2749        } elseif {$current_diff_path ne {}} {
2750                add_helper \
2751                        "Adding [short_path $current_diff_path]" \
2752                        [list $current_diff_path]
2753        }
2754}
2755
2756proc do_add_all {} {
2757        global file_states
2758
2759        set paths [list]
2760        foreach path [array names file_states] {
2761                switch -glob -- [lindex $file_states($path) 0] {
2762                U? {continue}
2763                ?M -
2764                ?D {lappend paths $path}
2765                }
2766        }
2767        add_helper {Adding all changed files} $paths
2768}
2769
2770proc revert_helper {txt paths} {
2771        global file_states current_diff_path
2772
2773        if {![lock_index begin-update]} return
2774
2775        set pathList [list]
2776        set after {}
2777        foreach path $paths {
2778                switch -glob -- [lindex $file_states($path) 0] {
2779                U? {continue}
2780                ?M -
2781                ?D {
2782                        lappend pathList $path
2783                        if {$path eq $current_diff_path} {
2784                                set after {reshow_diff;}
2785                        }
2786                }
2787                }
2788        }
2789
2790        set n [llength $pathList]
2791        if {$n == 0} {
2792                unlock_index
2793                return
2794        } elseif {$n == 1} {
2795                set s "[short_path [lindex $pathList]]"
2796        } else {
2797                set s "these $n files"
2798        }
2799
2800        set reply [tk_dialog \
2801                .confirm_revert \
2802                "[appname] ([reponame])" \
2803                "Revert changes in $s?
2804
2805Any unadded changes will be permanently lost by the revert." \
2806                question \
2807                1 \
2808                {Do Nothing} \
2809                {Revert Changes} \
2810                ]
2811        if {$reply == 1} {
2812                checkout_index \
2813                        $txt \
2814                        $pathList \
2815                        [concat $after {set ui_status_value {Ready.}}]
2816        } else {
2817                unlock_index
2818        }
2819}
2820
2821proc do_revert_selection {} {
2822        global current_diff_path selected_paths
2823
2824        if {[array size selected_paths] > 0} {
2825                revert_helper \
2826                        {Reverting selected files} \
2827                        [array names selected_paths]
2828        } elseif {$current_diff_path ne {}} {
2829                revert_helper \
2830                        "Reverting [short_path $current_diff_path]" \
2831                        [list $current_diff_path]
2832        }
2833}
2834
2835proc do_signoff {} {
2836        global ui_comm
2837
2838        set me [committer_ident]
2839        if {$me eq {}} return
2840
2841        set sob "Signed-off-by: $me"
2842        set last [$ui_comm get {end -1c linestart} {end -1c}]
2843        if {$last ne $sob} {
2844                $ui_comm edit separator
2845                if {$last ne {}
2846                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2847                        $ui_comm insert end "\n"
2848                }
2849                $ui_comm insert end "\n$sob"
2850                $ui_comm edit separator
2851                $ui_comm see end
2852        }
2853}
2854
2855proc do_select_commit_type {} {
2856        global commit_type selected_commit_type
2857
2858        if {$selected_commit_type eq {new}
2859                && [string match amend* $commit_type]} {
2860                create_new_commit
2861        } elseif {$selected_commit_type eq {amend}
2862                && ![string match amend* $commit_type]} {
2863                load_last_commit
2864
2865                # The amend request was rejected...
2866                #
2867                if {![string match amend* $commit_type]} {
2868                        set selected_commit_type new
2869                }
2870        }
2871}
2872
2873proc do_commit {} {
2874        commit_tree
2875}
2876
2877proc do_about {} {
2878        global appvers copyright
2879        global tcl_patchLevel tk_patchLevel
2880
2881        set w .about_dialog
2882        toplevel $w
2883        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2884
2885        label $w.header -text "About [appname]" \
2886                -font font_uibold
2887        pack $w.header -side top -fill x
2888
2889        frame $w.buttons
2890        button $w.buttons.close -text {Close} \
2891                -font font_ui \
2892                -command [list destroy $w]
2893        pack $w.buttons.close -side right
2894        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2895
2896        label $w.desc \
2897                -text "[appname] - a commit creation tool for Git.
2898$copyright" \
2899                -padx 5 -pady 5 \
2900                -justify left \
2901                -anchor w \
2902                -borderwidth 1 \
2903                -relief solid \
2904                -font font_ui
2905        pack $w.desc -side top -fill x -padx 5 -pady 5
2906
2907        set v {}
2908        append v "[appname] version $appvers\n"
2909        append v "[exec git version]\n"
2910        append v "\n"
2911        if {$tcl_patchLevel eq $tk_patchLevel} {
2912                append v "Tcl/Tk version $tcl_patchLevel"
2913        } else {
2914                append v "Tcl version $tcl_patchLevel"
2915                append v ", Tk version $tk_patchLevel"
2916        }
2917
2918        label $w.vers \
2919                -text $v \
2920                -padx 5 -pady 5 \
2921                -justify left \
2922                -anchor w \
2923                -borderwidth 1 \
2924                -relief solid \
2925                -font font_ui
2926        pack $w.vers -side top -fill x -padx 5 -pady 5
2927
2928        menu $w.ctxm -tearoff 0
2929        $w.ctxm add command \
2930                -label {Copy} \
2931                -font font_ui \
2932                -command "
2933                clipboard clear
2934                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2935        "
2936
2937        bind $w <Visibility> "grab $w; focus $w"
2938        bind $w <Key-Escape> "destroy $w"
2939        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2940        wm title $w "About [appname]"
2941        tkwait window $w
2942}
2943
2944proc do_options {} {
2945        global repo_config global_config font_descs
2946        global repo_config_new global_config_new
2947
2948        array unset repo_config_new
2949        array unset global_config_new
2950        foreach name [array names repo_config] {
2951                set repo_config_new($name) $repo_config($name)
2952        }
2953        load_config 1
2954        foreach name [array names repo_config] {
2955                switch -- $name {
2956                gui.diffcontext {continue}
2957                }
2958                set repo_config_new($name) $repo_config($name)
2959        }
2960        foreach name [array names global_config] {
2961                set global_config_new($name) $global_config($name)
2962        }
2963
2964        set w .options_editor
2965        toplevel $w
2966        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2967
2968        label $w.header -text "[appname] Options" \
2969                -font font_uibold
2970        pack $w.header -side top -fill x
2971
2972        frame $w.buttons
2973        button $w.buttons.restore -text {Restore Defaults} \
2974                -font font_ui \
2975                -command do_restore_defaults
2976        pack $w.buttons.restore -side left
2977        button $w.buttons.save -text Save \
2978                -font font_ui \
2979                -command [list do_save_config $w]
2980        pack $w.buttons.save -side right
2981        button $w.buttons.cancel -text {Cancel} \
2982                -font font_ui \
2983                -command [list destroy $w]
2984        pack $w.buttons.cancel -side right -padx 5
2985        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2986
2987        labelframe $w.repo -text "[reponame] Repository" \
2988                -font font_ui \
2989                -relief raised -borderwidth 2
2990        labelframe $w.global -text {Global (All Repositories)} \
2991                -font font_ui \
2992                -relief raised -borderwidth 2
2993        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2994        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2995
2996        foreach option {
2997                {b pullsummary {Show Pull Summary}}
2998                {b trustmtime  {Trust File Modification Timestamps}}
2999                {i diffcontext {Number of Diff Context Lines}}
3000                } {
3001                set type [lindex $option 0]
3002                set name [lindex $option 1]
3003                set text [lindex $option 2]
3004                foreach f {repo global} {
3005                        switch $type {
3006                        b {
3007                                checkbutton $w.$f.$name -text $text \
3008                                        -variable ${f}_config_new(gui.$name) \
3009                                        -onvalue true \
3010                                        -offvalue false \
3011                                        -font font_ui
3012                                pack $w.$f.$name -side top -anchor w
3013                        }
3014                        i {
3015                                frame $w.$f.$name
3016                                label $w.$f.$name.l -text "$text:" -font font_ui
3017                                pack $w.$f.$name.l -side left -anchor w -fill x
3018                                spinbox $w.$f.$name.v \
3019                                        -textvariable ${f}_config_new(gui.$name) \
3020                                        -from 1 -to 99 -increment 1 \
3021                                        -width 3 \
3022                                        -font font_ui
3023                                pack $w.$f.$name.v -side right -anchor e
3024                                pack $w.$f.$name -side top -anchor w -fill x
3025                        }
3026                        }
3027                }
3028        }
3029
3030        set all_fonts [lsort [font families]]
3031        foreach option $font_descs {
3032                set name [lindex $option 0]
3033                set font [lindex $option 1]
3034                set text [lindex $option 2]
3035
3036                set global_config_new(gui.$font^^family) \
3037                        [font configure $font -family]
3038                set global_config_new(gui.$font^^size) \
3039                        [font configure $font -size]
3040
3041                frame $w.global.$name
3042                label $w.global.$name.l -text "$text:" -font font_ui
3043                pack $w.global.$name.l -side left -anchor w -fill x
3044                eval tk_optionMenu $w.global.$name.family \
3045                        global_config_new(gui.$font^^family) \
3046                        $all_fonts
3047                spinbox $w.global.$name.size \
3048                        -textvariable global_config_new(gui.$font^^size) \
3049                        -from 2 -to 80 -increment 1 \
3050                        -width 3 \
3051                        -font font_ui
3052                pack $w.global.$name.size -side right -anchor e
3053                pack $w.global.$name.family -side right -anchor e
3054                pack $w.global.$name -side top -anchor w -fill x
3055        }
3056
3057        bind $w <Visibility> "grab $w; focus $w"
3058        bind $w <Key-Escape> "destroy $w"
3059        wm title $w "[appname] ([reponame]): Options"
3060        tkwait window $w
3061}
3062
3063proc do_restore_defaults {} {
3064        global font_descs default_config repo_config
3065        global repo_config_new global_config_new
3066
3067        foreach name [array names default_config] {
3068                set repo_config_new($name) $default_config($name)
3069                set global_config_new($name) $default_config($name)
3070        }
3071
3072        foreach option $font_descs {
3073                set name [lindex $option 0]
3074                set repo_config(gui.$name) $default_config(gui.$name)
3075        }
3076        apply_config
3077
3078        foreach option $font_descs {
3079                set name [lindex $option 0]
3080                set font [lindex $option 1]
3081                set global_config_new(gui.$font^^family) \
3082                        [font configure $font -family]
3083                set global_config_new(gui.$font^^size) \
3084                        [font configure $font -size]
3085        }
3086}
3087
3088proc do_save_config {w} {
3089        if {[catch {save_config} err]} {
3090                error_popup "Failed to completely save options:\n\n$err"
3091        }
3092        reshow_diff
3093        destroy $w
3094}
3095
3096proc do_windows_shortcut {} {
3097        global argv0
3098
3099        if {[catch {
3100                set desktop [exec cygpath \
3101                        --windows \
3102                        --absolute \
3103                        --long-name \
3104                        --desktop]
3105                }]} {
3106                        set desktop .
3107        }
3108        set fn [tk_getSaveFile \
3109                -parent . \
3110                -title "[appname] ([reponame]): Create Desktop Icon" \
3111                -initialdir $desktop \
3112                -initialfile "Git [reponame].bat"]
3113        if {$fn != {}} {
3114                if {[catch {
3115                                set fd [open $fn w]
3116                                set sh [exec cygpath \
3117                                        --windows \
3118                                        --absolute \
3119                                        /bin/sh]
3120                                set me [exec cygpath \
3121                                        --unix \
3122                                        --absolute \
3123                                        $argv0]
3124                                set gd [exec cygpath \
3125                                        --unix \
3126                                        --absolute \
3127                                        [gitdir]]
3128                                set gw [exec cygpath \
3129                                        --windows \
3130                                        --absolute \
3131                                        [file dirname [gitdir]]]
3132                                regsub -all ' $me "'\\''" me
3133                                regsub -all ' $gd "'\\''" gd
3134                                puts $fd "@ECHO Entering $gw"
3135                                puts $fd "@ECHO Starting git-gui... please wait..."
3136                                puts -nonewline $fd "@\"$sh\" --login -c \""
3137                                puts -nonewline $fd "GIT_DIR='$gd'"
3138                                puts -nonewline $fd " '$me'"
3139                                puts $fd "&\""
3140                                close $fd
3141                        } err]} {
3142                        error_popup "Cannot write script:\n\n$err"
3143                }
3144        }
3145}
3146
3147proc do_macosx_app {} {
3148        global argv0 env
3149
3150        set fn [tk_getSaveFile \
3151                -parent . \
3152                -title "[appname] ([reponame]): Create Desktop Icon" \
3153                -initialdir [file join $env(HOME) Desktop] \
3154                -initialfile "Git [reponame].app"]
3155        if {$fn != {}} {
3156                if {[catch {
3157                                set Contents [file join $fn Contents]
3158                                set MacOS [file join $Contents MacOS]
3159                                set exe [file join $MacOS git-gui]
3160
3161                                file mkdir $MacOS
3162
3163                                set fd [open [file join $Contents Info.plist] w]
3164                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3165<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3166<plist version="1.0">
3167<dict>
3168        <key>CFBundleDevelopmentRegion</key>
3169        <string>English</string>
3170        <key>CFBundleExecutable</key>
3171        <string>git-gui</string>
3172        <key>CFBundleIdentifier</key>
3173        <string>org.spearce.git-gui</string>
3174        <key>CFBundleInfoDictionaryVersion</key>
3175        <string>6.0</string>
3176        <key>CFBundlePackageType</key>
3177        <string>APPL</string>
3178        <key>CFBundleSignature</key>
3179        <string>????</string>
3180        <key>CFBundleVersion</key>
3181        <string>1.0</string>
3182        <key>NSPrincipalClass</key>
3183        <string>NSApplication</string>
3184</dict>
3185</plist>}
3186                                close $fd
3187
3188                                set fd [open $exe w]
3189                                set gd [file normalize [gitdir]]
3190                                set ep [file normalize [exec git --exec-path]]
3191                                regsub -all ' $gd "'\\''" gd
3192                                regsub -all ' $ep "'\\''" ep
3193                                puts $fd "#!/bin/sh"
3194                                foreach name [array names env] {
3195                                        if {[string match GIT_* $name]} {
3196                                                regsub -all ' $env($name) "'\\''" v
3197                                                puts $fd "export $name='$v'"
3198                                        }
3199                                }
3200                                puts $fd "export PATH='$ep':\$PATH"
3201                                puts $fd "export GIT_DIR='$gd'"
3202                                puts $fd "exec [file normalize $argv0]"
3203                                close $fd
3204
3205                                file attributes $exe -permissions u+x,g+x,o+x
3206                        } err]} {
3207                        error_popup "Cannot write icon:\n\n$err"
3208                }
3209        }
3210}
3211
3212proc toggle_or_diff {w x y} {
3213        global file_states file_lists current_diff_path ui_index ui_workdir
3214        global last_clicked selected_paths
3215
3216        set pos [split [$w index @$x,$y] .]
3217        set lno [lindex $pos 0]
3218        set col [lindex $pos 1]
3219        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3220        if {$path eq {}} {
3221                set last_clicked {}
3222                return
3223        }
3224
3225        set last_clicked [list $w $lno]
3226        array unset selected_paths
3227        $ui_index tag remove in_sel 0.0 end
3228        $ui_workdir tag remove in_sel 0.0 end
3229
3230        if {$col == 0} {
3231                if {$current_diff_path eq $path} {
3232                        set after {reshow_diff;}
3233                } else {
3234                        set after {}
3235                }
3236                if {$w eq $ui_index} {
3237                        update_indexinfo \
3238                                "Unstaging [short_path $path] from commit" \
3239                                [list $path] \
3240                                [concat $after {set ui_status_value {Ready.}}]
3241                } elseif {$w eq $ui_workdir} {
3242                        update_index \
3243                                "Adding [short_path $path]" \
3244                                [list $path] \
3245                                [concat $after {set ui_status_value {Ready.}}]
3246                }
3247        } else {
3248                show_diff $path $w $lno
3249        }
3250}
3251
3252proc add_one_to_selection {w x y} {
3253        global file_lists last_clicked selected_paths
3254
3255        set lno [lindex [split [$w index @$x,$y] .] 0]
3256        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3257        if {$path eq {}} {
3258                set last_clicked {}
3259                return
3260        }
3261
3262        if {$last_clicked ne {}
3263                && [lindex $last_clicked 0] ne $w} {
3264                array unset selected_paths
3265                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3266        }
3267
3268        set last_clicked [list $w $lno]
3269        if {[catch {set in_sel $selected_paths($path)}]} {
3270                set in_sel 0
3271        }
3272        if {$in_sel} {
3273                unset selected_paths($path)
3274                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3275        } else {
3276                set selected_paths($path) 1
3277                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3278        }
3279}
3280
3281proc add_range_to_selection {w x y} {
3282        global file_lists last_clicked selected_paths
3283
3284        if {[lindex $last_clicked 0] ne $w} {
3285                toggle_or_diff $w $x $y
3286                return
3287        }
3288
3289        set lno [lindex [split [$w index @$x,$y] .] 0]
3290        set lc [lindex $last_clicked 1]
3291        if {$lc < $lno} {
3292                set begin $lc
3293                set end $lno
3294        } else {
3295                set begin $lno
3296                set end $lc
3297        }
3298
3299        foreach path [lrange $file_lists($w) \
3300                [expr {$begin - 1}] \
3301                [expr {$end - 1}]] {
3302                set selected_paths($path) 1
3303        }
3304        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3305}
3306
3307######################################################################
3308##
3309## config defaults
3310
3311set cursor_ptr arrow
3312font create font_diff -family Courier -size 10
3313font create font_ui
3314catch {
3315        label .dummy
3316        eval font configure font_ui [font actual [.dummy cget -font]]
3317        destroy .dummy
3318}
3319
3320font create font_uibold
3321font create font_diffbold
3322
3323if {[is_Windows]} {
3324        set M1B Control
3325        set M1T Ctrl
3326} elseif {[is_MacOSX]} {
3327        set M1B M1
3328        set M1T Cmd
3329} else {
3330        set M1B M1
3331        set M1T M1
3332}
3333
3334proc apply_config {} {
3335        global repo_config font_descs
3336
3337        foreach option $font_descs {
3338                set name [lindex $option 0]
3339                set font [lindex $option 1]
3340                if {[catch {
3341                        foreach {cn cv} $repo_config(gui.$name) {
3342                                font configure $font $cn $cv
3343                        }
3344                        } err]} {
3345                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3346                }
3347                foreach {cn cv} [font configure $font] {
3348                        font configure ${font}bold $cn $cv
3349                }
3350                font configure ${font}bold -weight bold
3351        }
3352}
3353
3354set default_config(gui.trustmtime) false
3355set default_config(gui.pullsummary) true
3356set default_config(gui.diffcontext) 5
3357set default_config(gui.fontui) [font configure font_ui]
3358set default_config(gui.fontdiff) [font configure font_diff]
3359set font_descs {
3360        {fontui   font_ui   {Main Font}}
3361        {fontdiff font_diff {Diff/Console Font}}
3362}
3363load_config 0
3364apply_config
3365
3366######################################################################
3367##
3368## ui construction
3369
3370# -- Menu Bar
3371#
3372menu .mbar -tearoff 0
3373.mbar add cascade -label Repository -menu .mbar.repository
3374.mbar add cascade -label Edit -menu .mbar.edit
3375if {!$single_commit} {
3376        .mbar add cascade -label Branch -menu .mbar.branch
3377}
3378.mbar add cascade -label Commit -menu .mbar.commit
3379if {!$single_commit} {
3380        .mbar add cascade -label Fetch -menu .mbar.fetch
3381        .mbar add cascade -label Pull -menu .mbar.pull
3382        .mbar add cascade -label Push -menu .mbar.push
3383}
3384. configure -menu .mbar
3385
3386# -- Repository Menu
3387#
3388menu .mbar.repository
3389.mbar.repository add command \
3390        -label {Visualize Current Branch} \
3391        -command {do_gitk {}} \
3392        -font font_ui
3393if {![is_MacOSX]} {
3394        .mbar.repository add command \
3395                -label {Visualize All Branches} \
3396                -command {do_gitk {--all}} \
3397                -font font_ui
3398}
3399.mbar.repository add separator
3400
3401if {!$single_commit} {
3402        .mbar.repository add command -label {Compress Database} \
3403                -command do_gc \
3404                -font font_ui
3405
3406        .mbar.repository add command -label {Verify Database} \
3407                -command do_fsck_objects \
3408                -font font_ui
3409
3410        .mbar.repository add separator
3411
3412        if {[is_Windows]} {
3413                .mbar.repository add command \
3414                        -label {Create Desktop Icon} \
3415                        -command do_windows_shortcut \
3416                        -font font_ui
3417        } elseif {[is_MacOSX]} {
3418                .mbar.repository add command \
3419                        -label {Create Desktop Icon} \
3420                        -command do_macosx_app \
3421                        -font font_ui
3422        }
3423}
3424
3425.mbar.repository add command -label Quit \
3426        -command do_quit \
3427        -accelerator $M1T-Q \
3428        -font font_ui
3429
3430# -- Edit Menu
3431#
3432menu .mbar.edit
3433.mbar.edit add command -label Undo \
3434        -command {catch {[focus] edit undo}} \
3435        -accelerator $M1T-Z \
3436        -font font_ui
3437.mbar.edit add command -label Redo \
3438        -command {catch {[focus] edit redo}} \
3439        -accelerator $M1T-Y \
3440        -font font_ui
3441.mbar.edit add separator
3442.mbar.edit add command -label Cut \
3443        -command {catch {tk_textCut [focus]}} \
3444        -accelerator $M1T-X \
3445        -font font_ui
3446.mbar.edit add command -label Copy \
3447        -command {catch {tk_textCopy [focus]}} \
3448        -accelerator $M1T-C \
3449        -font font_ui
3450.mbar.edit add command -label Paste \
3451        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3452        -accelerator $M1T-V \
3453        -font font_ui
3454.mbar.edit add command -label Delete \
3455        -command {catch {[focus] delete sel.first sel.last}} \
3456        -accelerator Del \
3457        -font font_ui
3458.mbar.edit add separator
3459.mbar.edit add command -label {Select All} \
3460        -command {catch {[focus] tag add sel 0.0 end}} \
3461        -accelerator $M1T-A \
3462        -font font_ui
3463
3464# -- Branch Menu
3465#
3466if {!$single_commit} {
3467        menu .mbar.branch
3468
3469        .mbar.branch add command -label {Create...} \
3470                -command do_create_branch \
3471                -accelerator $M1T-N \
3472                -font font_ui
3473        lappend disable_on_lock [list .mbar.branch entryconf \
3474                [.mbar.branch index last] -state]
3475
3476        .mbar.branch add command -label {Delete...} \
3477                -command do_delete_branch \
3478                -font font_ui
3479        lappend disable_on_lock [list .mbar.branch entryconf \
3480                [.mbar.branch index last] -state]
3481}
3482
3483# -- Commit Menu
3484#
3485menu .mbar.commit
3486
3487.mbar.commit add radiobutton \
3488        -label {New Commit} \
3489        -command do_select_commit_type \
3490        -variable selected_commit_type \
3491        -value new \
3492        -font font_ui
3493lappend disable_on_lock \
3494        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3495
3496.mbar.commit add radiobutton \
3497        -label {Amend Last Commit} \
3498        -command do_select_commit_type \
3499        -variable selected_commit_type \
3500        -value amend \
3501        -font font_ui
3502lappend disable_on_lock \
3503        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3504
3505.mbar.commit add separator
3506
3507.mbar.commit add command -label Rescan \
3508        -command do_rescan \
3509        -accelerator F5 \
3510        -font font_ui
3511lappend disable_on_lock \
3512        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3513
3514.mbar.commit add command -label {Add To Commit} \
3515        -command do_add_selection \
3516        -font font_ui
3517lappend disable_on_lock \
3518        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3519
3520.mbar.commit add command -label {Add All To Commit} \
3521        -command do_add_all \
3522        -accelerator $M1T-I \
3523        -font font_ui
3524lappend disable_on_lock \
3525        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3526
3527.mbar.commit add command -label {Unstage From Commit} \
3528        -command do_unstage_selection \
3529        -font font_ui
3530lappend disable_on_lock \
3531        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3532
3533.mbar.commit add command -label {Revert Changes} \
3534        -command do_revert_selection \
3535        -font font_ui
3536lappend disable_on_lock \
3537        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3538
3539.mbar.commit add separator
3540
3541.mbar.commit add command -label {Sign Off} \
3542        -command do_signoff \
3543        -accelerator $M1T-S \
3544        -font font_ui
3545
3546.mbar.commit add command -label Commit \
3547        -command do_commit \
3548        -accelerator $M1T-Return \
3549        -font font_ui
3550lappend disable_on_lock \
3551        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3552
3553# -- Transport menus
3554#
3555if {!$single_commit} {
3556        menu .mbar.fetch
3557        menu .mbar.pull
3558        menu .mbar.push
3559}
3560
3561if {[is_MacOSX]} {
3562        # -- Apple Menu (Mac OS X only)
3563        #
3564        .mbar add cascade -label Apple -menu .mbar.apple
3565        menu .mbar.apple
3566
3567        .mbar.apple add command -label "About [appname]" \
3568                -command do_about \
3569                -font font_ui
3570        .mbar.apple add command -label "[appname] Options..." \
3571                -command do_options \
3572                -font font_ui
3573} else {
3574        # -- Edit Menu
3575        #
3576        .mbar.edit add separator
3577        .mbar.edit add command -label {Options...} \
3578                -command do_options \
3579                -font font_ui
3580
3581        # -- Tools Menu
3582        #
3583        if {[file exists /usr/local/miga/lib/gui-miga]
3584                && [file exists .pvcsrc]} {
3585        proc do_miga {} {
3586                global ui_status_value
3587                if {![lock_index update]} return
3588                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3589                set miga_fd [open "|$cmd" r]
3590                fconfigure $miga_fd -blocking 0
3591                fileevent $miga_fd readable [list miga_done $miga_fd]
3592                set ui_status_value {Running miga...}
3593        }
3594        proc miga_done {fd} {
3595                read $fd 512
3596                if {[eof $fd]} {
3597                        close $fd
3598                        unlock_index
3599                        rescan [list set ui_status_value {Ready.}]
3600                }
3601        }
3602        .mbar add cascade -label Tools -menu .mbar.tools
3603        menu .mbar.tools
3604        .mbar.tools add command -label "Migrate" \
3605                -command do_miga \
3606                -font font_ui
3607        lappend disable_on_lock \
3608                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3609        }
3610
3611        # -- Help Menu
3612        #
3613        .mbar add cascade -label Help -menu .mbar.help
3614        menu .mbar.help
3615
3616        .mbar.help add command -label "About [appname]" \
3617                -command do_about \
3618                -font font_ui
3619}
3620
3621
3622# -- Branch Control
3623#
3624frame .branch \
3625        -borderwidth 1 \
3626        -relief sunken
3627label .branch.l1 \
3628        -text {Current Branch:} \
3629        -anchor w \
3630        -justify left \
3631        -font font_ui
3632label .branch.cb \
3633        -textvariable current_branch \
3634        -anchor w \
3635        -justify left \
3636        -font font_ui
3637pack .branch.l1 -side left
3638pack .branch.cb -side left -fill x
3639pack .branch -side top -fill x
3640
3641# -- Main Window Layout
3642#
3643panedwindow .vpane -orient vertical
3644panedwindow .vpane.files -orient horizontal
3645.vpane add .vpane.files -sticky nsew -height 100 -width 400
3646pack .vpane -anchor n -side top -fill both -expand 1
3647
3648# -- Index File List
3649#
3650frame .vpane.files.index -height 100 -width 400
3651label .vpane.files.index.title -text {Changes To Be Committed} \
3652        -background green \
3653        -font font_ui
3654text $ui_index -background white -borderwidth 0 \
3655        -width 40 -height 10 \
3656        -wrap none \
3657        -font font_ui \
3658        -cursor $cursor_ptr \
3659        -xscrollcommand {.vpane.files.index.sx set} \
3660        -yscrollcommand {.vpane.files.index.sy set} \
3661        -state disabled
3662scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3663scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3664pack .vpane.files.index.title -side top -fill x
3665pack .vpane.files.index.sx -side bottom -fill x
3666pack .vpane.files.index.sy -side right -fill y
3667pack $ui_index -side left -fill both -expand 1
3668.vpane.files add .vpane.files.index -sticky nsew
3669
3670# -- Working Directory File List
3671#
3672frame .vpane.files.workdir -height 100 -width 100
3673label .vpane.files.workdir.title -text {Changed But Not Updated} \
3674        -background red \
3675        -font font_ui
3676text $ui_workdir -background white -borderwidth 0 \
3677        -width 40 -height 10 \
3678        -wrap none \
3679        -font font_ui \
3680        -cursor $cursor_ptr \
3681        -xscrollcommand {.vpane.files.workdir.sx set} \
3682        -yscrollcommand {.vpane.files.workdir.sy set} \
3683        -state disabled
3684scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3685scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3686pack .vpane.files.workdir.title -side top -fill x
3687pack .vpane.files.workdir.sx -side bottom -fill x
3688pack .vpane.files.workdir.sy -side right -fill y
3689pack $ui_workdir -side left -fill both -expand 1
3690.vpane.files add .vpane.files.workdir -sticky nsew
3691
3692foreach i [list $ui_index $ui_workdir] {
3693        $i tag conf in_diff -font font_uibold
3694        $i tag conf in_sel \
3695                -background [$i cget -foreground] \
3696                -foreground [$i cget -background]
3697}
3698unset i
3699
3700# -- Diff and Commit Area
3701#
3702frame .vpane.lower -height 300 -width 400
3703frame .vpane.lower.commarea
3704frame .vpane.lower.diff -relief sunken -borderwidth 1
3705pack .vpane.lower.commarea -side top -fill x
3706pack .vpane.lower.diff -side bottom -fill both -expand 1
3707.vpane add .vpane.lower -stick nsew
3708
3709# -- Commit Area Buttons
3710#
3711frame .vpane.lower.commarea.buttons
3712label .vpane.lower.commarea.buttons.l -text {} \
3713        -anchor w \
3714        -justify left \
3715        -font font_ui
3716pack .vpane.lower.commarea.buttons.l -side top -fill x
3717pack .vpane.lower.commarea.buttons -side left -fill y
3718
3719button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3720        -command do_rescan \
3721        -font font_ui
3722pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3723lappend disable_on_lock \
3724        {.vpane.lower.commarea.buttons.rescan conf -state}
3725
3726button .vpane.lower.commarea.buttons.incall -text {Add All} \
3727        -command do_add_all \
3728        -font font_ui
3729pack .vpane.lower.commarea.buttons.incall -side top -fill x
3730lappend disable_on_lock \
3731        {.vpane.lower.commarea.buttons.incall conf -state}
3732
3733button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3734        -command do_signoff \
3735        -font font_ui
3736pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3737
3738button .vpane.lower.commarea.buttons.commit -text {Commit} \
3739        -command do_commit \
3740        -font font_ui
3741pack .vpane.lower.commarea.buttons.commit -side top -fill x
3742lappend disable_on_lock \
3743        {.vpane.lower.commarea.buttons.commit conf -state}
3744
3745# -- Commit Message Buffer
3746#
3747frame .vpane.lower.commarea.buffer
3748frame .vpane.lower.commarea.buffer.header
3749set ui_comm .vpane.lower.commarea.buffer.t
3750set ui_coml .vpane.lower.commarea.buffer.header.l
3751radiobutton .vpane.lower.commarea.buffer.header.new \
3752        -text {New Commit} \
3753        -command do_select_commit_type \
3754        -variable selected_commit_type \
3755        -value new \
3756        -font font_ui
3757lappend disable_on_lock \
3758        [list .vpane.lower.commarea.buffer.header.new conf -state]
3759radiobutton .vpane.lower.commarea.buffer.header.amend \
3760        -text {Amend Last Commit} \
3761        -command do_select_commit_type \
3762        -variable selected_commit_type \
3763        -value amend \
3764        -font font_ui
3765lappend disable_on_lock \
3766        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3767label $ui_coml \
3768        -anchor w \
3769        -justify left \
3770        -font font_ui
3771proc trace_commit_type {varname args} {
3772        global ui_coml commit_type
3773        switch -glob -- $commit_type {
3774        initial       {set txt {Initial Commit Message:}}
3775        amend         {set txt {Amended Commit Message:}}
3776        amend-initial {set txt {Amended Initial Commit Message:}}
3777        amend-merge   {set txt {Amended Merge Commit Message:}}
3778        merge         {set txt {Merge Commit Message:}}
3779        *             {set txt {Commit Message:}}
3780        }
3781        $ui_coml conf -text $txt
3782}
3783trace add variable commit_type write trace_commit_type
3784pack $ui_coml -side left -fill x
3785pack .vpane.lower.commarea.buffer.header.amend -side right
3786pack .vpane.lower.commarea.buffer.header.new -side right
3787
3788text $ui_comm -background white -borderwidth 1 \
3789        -undo true \
3790        -maxundo 20 \
3791        -autoseparators true \
3792        -relief sunken \
3793        -width 75 -height 9 -wrap none \
3794        -font font_diff \
3795        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3796scrollbar .vpane.lower.commarea.buffer.sby \
3797        -command [list $ui_comm yview]
3798pack .vpane.lower.commarea.buffer.header -side top -fill x
3799pack .vpane.lower.commarea.buffer.sby -side right -fill y
3800pack $ui_comm -side left -fill y
3801pack .vpane.lower.commarea.buffer -side left -fill y
3802
3803# -- Commit Message Buffer Context Menu
3804#
3805set ctxm .vpane.lower.commarea.buffer.ctxm
3806menu $ctxm -tearoff 0
3807$ctxm add command \
3808        -label {Cut} \
3809        -font font_ui \
3810        -command {tk_textCut $ui_comm}
3811$ctxm add command \
3812        -label {Copy} \
3813        -font font_ui \
3814        -command {tk_textCopy $ui_comm}
3815$ctxm add command \
3816        -label {Paste} \
3817        -font font_ui \
3818        -command {tk_textPaste $ui_comm}
3819$ctxm add command \
3820        -label {Delete} \
3821        -font font_ui \
3822        -command {$ui_comm delete sel.first sel.last}
3823$ctxm add separator
3824$ctxm add command \
3825        -label {Select All} \
3826        -font font_ui \
3827        -command {$ui_comm tag add sel 0.0 end}
3828$ctxm add command \
3829        -label {Copy All} \
3830        -font font_ui \
3831        -command {
3832                $ui_comm tag add sel 0.0 end
3833                tk_textCopy $ui_comm
3834                $ui_comm tag remove sel 0.0 end
3835        }
3836$ctxm add separator
3837$ctxm add command \
3838        -label {Sign Off} \
3839        -font font_ui \
3840        -command do_signoff
3841bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3842
3843# -- Diff Header
3844#
3845set current_diff_path {}
3846set diff_actions [list]
3847proc trace_current_diff_path {varname args} {
3848        global current_diff_path diff_actions file_states
3849        if {$current_diff_path eq {}} {
3850                set s {}
3851                set f {}
3852                set p {}
3853                set o disabled
3854        } else {
3855                set p $current_diff_path
3856                set s [mapdesc [lindex $file_states($p) 0] $p]
3857                set f {File:}
3858                set p [escape_path $p]
3859                set o normal
3860        }
3861
3862        .vpane.lower.diff.header.status configure -text $s
3863        .vpane.lower.diff.header.file configure -text $f
3864        .vpane.lower.diff.header.path configure -text $p
3865        foreach w $diff_actions {
3866                uplevel #0 $w $o
3867        }
3868}
3869trace add variable current_diff_path write trace_current_diff_path
3870
3871frame .vpane.lower.diff.header -background orange
3872label .vpane.lower.diff.header.status \
3873        -background orange \
3874        -width $max_status_desc \
3875        -anchor w \
3876        -justify left \
3877        -font font_ui
3878label .vpane.lower.diff.header.file \
3879        -background orange \
3880        -anchor w \
3881        -justify left \
3882        -font font_ui
3883label .vpane.lower.diff.header.path \
3884        -background orange \
3885        -anchor w \
3886        -justify left \
3887        -font font_ui
3888pack .vpane.lower.diff.header.status -side left
3889pack .vpane.lower.diff.header.file -side left
3890pack .vpane.lower.diff.header.path -fill x
3891set ctxm .vpane.lower.diff.header.ctxm
3892menu $ctxm -tearoff 0
3893$ctxm add command \
3894        -label {Copy} \
3895        -font font_ui \
3896        -command {
3897                clipboard clear
3898                clipboard append \
3899                        -format STRING \
3900                        -type STRING \
3901                        -- $current_diff_path
3902        }
3903lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3904bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3905
3906# -- Diff Body
3907#
3908frame .vpane.lower.diff.body
3909set ui_diff .vpane.lower.diff.body.t
3910text $ui_diff -background white -borderwidth 0 \
3911        -width 80 -height 15 -wrap none \
3912        -font font_diff \
3913        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3914        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3915        -state disabled
3916scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3917        -command [list $ui_diff xview]
3918scrollbar .vpane.lower.diff.body.sby -orient vertical \
3919        -command [list $ui_diff yview]
3920pack .vpane.lower.diff.body.sbx -side bottom -fill x
3921pack .vpane.lower.diff.body.sby -side right -fill y
3922pack $ui_diff -side left -fill both -expand 1
3923pack .vpane.lower.diff.header -side top -fill x
3924pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3925
3926$ui_diff tag conf d_@ -foreground blue -font font_diffbold
3927$ui_diff tag conf d_+ -foreground {#00a000}
3928$ui_diff tag conf d_- -foreground red
3929
3930$ui_diff tag conf d_++ -foreground {#00a000}
3931$ui_diff tag conf d_-- -foreground red
3932$ui_diff tag conf d_+s \
3933        -foreground {#00a000} \
3934        -background {#e2effa}
3935$ui_diff tag conf d_-s \
3936        -foreground red \
3937        -background {#e2effa}
3938$ui_diff tag conf d_s+ \
3939        -foreground {#00a000} \
3940        -background ivory1
3941$ui_diff tag conf d_s- \
3942        -foreground red \
3943        -background ivory1
3944
3945$ui_diff tag conf d<<<<<<< \
3946        -foreground orange \
3947        -font font_diffbold
3948$ui_diff tag conf d======= \
3949        -foreground orange \
3950        -font font_diffbold
3951$ui_diff tag conf d>>>>>>> \
3952        -foreground orange \
3953        -font font_diffbold
3954
3955$ui_diff tag raise sel
3956
3957# -- Diff Body Context Menu
3958#
3959set ctxm .vpane.lower.diff.body.ctxm
3960menu $ctxm -tearoff 0
3961$ctxm add command \
3962        -label {Refresh} \
3963        -font font_ui \
3964        -command reshow_diff
3965$ctxm add command \
3966        -label {Copy} \
3967        -font font_ui \
3968        -command {tk_textCopy $ui_diff}
3969lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3970$ctxm add command \
3971        -label {Select All} \
3972        -font font_ui \
3973        -command {$ui_diff tag add sel 0.0 end}
3974lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3975$ctxm add command \
3976        -label {Copy All} \
3977        -font font_ui \
3978        -command {
3979                $ui_diff tag add sel 0.0 end
3980                tk_textCopy $ui_diff
3981                $ui_diff tag remove sel 0.0 end
3982        }
3983lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3984$ctxm add separator
3985$ctxm add command \
3986        -label {Decrease Font Size} \
3987        -font font_ui \
3988        -command {incr_font_size font_diff -1}
3989lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3990$ctxm add command \
3991        -label {Increase Font Size} \
3992        -font font_ui \
3993        -command {incr_font_size font_diff 1}
3994lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3995$ctxm add separator
3996$ctxm add command \
3997        -label {Show Less Context} \
3998        -font font_ui \
3999        -command {if {$repo_config(gui.diffcontext) >= 2} {
4000                incr repo_config(gui.diffcontext) -1
4001                reshow_diff
4002        }}
4003lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4004$ctxm add command \
4005        -label {Show More Context} \
4006        -font font_ui \
4007        -command {
4008                incr repo_config(gui.diffcontext)
4009                reshow_diff
4010        }
4011lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4012$ctxm add separator
4013$ctxm add command -label {Options...} \
4014        -font font_ui \
4015        -command do_options
4016bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
4017
4018# -- Status Bar
4019#
4020set ui_status_value {Initializing...}
4021label .status -textvariable ui_status_value \
4022        -anchor w \
4023        -justify left \
4024        -borderwidth 1 \
4025        -relief sunken \
4026        -font font_ui
4027pack .status -anchor w -side bottom -fill x
4028
4029# -- Load geometry
4030#
4031catch {
4032set gm $repo_config(gui.geometry)
4033wm geometry . [lindex $gm 0]
4034.vpane sash place 0 \
4035        [lindex [.vpane sash coord 0] 0] \
4036        [lindex $gm 1]
4037.vpane.files sash place 0 \
4038        [lindex $gm 2] \
4039        [lindex [.vpane.files sash coord 0] 1]
4040unset gm
4041}
4042
4043# -- Key Bindings
4044#
4045bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4046bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4047bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4048bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4049bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4050bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4051bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4052bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4053bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4054bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4055bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4056
4057bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4058bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4059bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4060bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4061bind $ui_diff <$M1B-Key-v> {break}
4062bind $ui_diff <$M1B-Key-V> {break}
4063bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4064bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4065bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4066bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4067bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4068bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4069
4070if {!$single_commit} {
4071        bind . <$M1B-Key-n> do_create_branch
4072        bind . <$M1B-Key-N> do_create_branch
4073}
4074
4075bind .   <Destroy> do_quit
4076bind all <Key-F5> do_rescan
4077bind all <$M1B-Key-r> do_rescan
4078bind all <$M1B-Key-R> do_rescan
4079bind .   <$M1B-Key-s> do_signoff
4080bind .   <$M1B-Key-S> do_signoff
4081bind .   <$M1B-Key-i> do_add_all
4082bind .   <$M1B-Key-I> do_add_all
4083bind .   <$M1B-Key-Return> do_commit
4084bind all <$M1B-Key-q> do_quit
4085bind all <$M1B-Key-Q> do_quit
4086bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4087bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4088foreach i [list $ui_index $ui_workdir] {
4089        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4090        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4091        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4092}
4093unset i
4094
4095set file_lists($ui_index) [list]
4096set file_lists($ui_workdir) [list]
4097
4098set HEAD {}
4099set PARENT {}
4100set MERGE_HEAD [list]
4101set commit_type {}
4102set empty_tree {}
4103set current_branch {}
4104set current_diff_path {}
4105set selected_commit_type new
4106
4107wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4108focus -force $ui_comm
4109
4110# -- Warn the user about environmental problems.  Cygwin's Tcl
4111#    does *not* pass its env array onto any processes it spawns.
4112#    This means that git processes get none of our environment.
4113#
4114if {[is_Windows]} {
4115        set ignored_env 0
4116        set suggest_user {}
4117        set msg "Possible environment issues exist.
4118
4119The following environment variables are probably
4120going to be ignored by any Git subprocess run
4121by [appname]:
4122
4123"
4124        foreach name [array names env] {
4125                switch -regexp -- $name {
4126                {^GIT_INDEX_FILE$} -
4127                {^GIT_OBJECT_DIRECTORY$} -
4128                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4129                {^GIT_DIFF_OPTS$} -
4130                {^GIT_EXTERNAL_DIFF$} -
4131                {^GIT_PAGER$} -
4132                {^GIT_TRACE$} -
4133                {^GIT_CONFIG$} -
4134                {^GIT_CONFIG_LOCAL$} -
4135                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4136                        append msg " - $name\n"
4137                        incr ignored_env
4138                }
4139                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4140                        append msg " - $name\n"
4141                        incr ignored_env
4142                        set suggest_user $name
4143                }
4144                }
4145        }
4146        if {$ignored_env > 0} {
4147                append msg "
4148This is due to a known issue with the
4149Tcl binary distributed by Cygwin."
4150
4151                if {$suggest_user ne {}} {
4152                        append msg "
4153
4154A good replacement for $suggest_user
4155is placing values for the user.name and
4156user.email settings into your personal
4157~/.gitconfig file.
4158"
4159                }
4160                warn_popup $msg
4161        }
4162        unset ignored_env msg suggest_user name
4163}
4164
4165# -- Only initialize complex UI if we are going to stay running.
4166#
4167if {!$single_commit} {
4168        load_all_remotes
4169        load_all_heads
4170
4171        populate_branch_menu
4172        populate_fetch_menu .mbar.fetch
4173        populate_pull_menu .mbar.pull
4174        populate_push_menu .mbar.push
4175}
4176
4177# -- Only suggest a gc run if we are going to stay running.
4178#
4179if {!$single_commit} {
4180        set object_limit 2000
4181        if {[is_Windows]} {set object_limit 200}
4182        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4183        if {$objects_current >= $object_limit} {
4184                if {[ask_popup \
4185                        "This repository currently has $objects_current loose objects.
4186
4187To maintain optimal performance it is strongly
4188recommended that you compress the database
4189when more than $object_limit loose objects exist.
4190
4191Compress the database now?"] eq yes} {
4192                        do_gc
4193                }
4194        }
4195        unset object_limit _junk objects_current
4196}
4197
4198lock_index begin-read
4199after 1 do_rescan