git-gui.shon commit git-gui: Correctly ignore '* Unmerged path' during diff. (37d2a1c)
   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 do_create_branch_action {w} {
1683        global all_heads null_sha1
1684        global create_branch_checkout create_branch_revtype
1685        global create_branch_head create_branch_trackinghead
1686
1687        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1688        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1689                tk_messageBox \
1690                        -icon error \
1691                        -type ok \
1692                        -title [wm title $w] \
1693                        -parent $w \
1694                        -message "Branch '$newbranch' already exists."
1695                focus $w.desc.name_t
1696                return
1697        }
1698        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1699                tk_messageBox \
1700                        -icon error \
1701                        -type ok \
1702                        -title [wm title $w] \
1703                        -parent $w \
1704                        -message "We do not like '$newbranch' as a branch name."
1705                focus $w.desc.name_t
1706                return
1707        }
1708
1709        set rev {}
1710        switch -- $create_branch_revtype {
1711        head {set rev $create_branch_head}
1712        tracking {set rev $create_branch_trackinghead}
1713        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1714        }
1715        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1716                tk_messageBox \
1717                        -icon error \
1718                        -type ok \
1719                        -title [wm title $w] \
1720                        -parent $w \
1721                        -message "Invalid starting revision: $rev"
1722                return
1723        }
1724        set cmd [list git update-ref]
1725        lappend cmd -m
1726        lappend cmd "branch: Created from $rev"
1727        lappend cmd "refs/heads/$newbranch"
1728        lappend cmd $cmt
1729        lappend cmd $null_sha1
1730        if {[catch {eval exec $cmd} err]} {
1731                tk_messageBox \
1732                        -icon error \
1733                        -type ok \
1734                        -title [wm title $w] \
1735                        -parent $w \
1736                        -message "Failed to create '$newbranch'.\n\n$err"
1737                return
1738        }
1739
1740        lappend all_heads $newbranch
1741        set all_heads [lsort $all_heads]
1742        populate_branch_menu
1743        destroy $w
1744        if {$create_branch_checkout} {
1745                switch_branch $newbranch
1746        }
1747}
1748
1749proc do_create_branch {} {
1750        global all_heads current_branch tracking_branches
1751        global create_branch_checkout create_branch_revtype
1752        global create_branch_head create_branch_trackinghead
1753
1754        set create_branch_checkout 1
1755        set create_branch_revtype head
1756        set create_branch_head $current_branch
1757        set create_branch_trackinghead {}
1758
1759        set w .branch_editor
1760        toplevel $w
1761        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1762
1763        label $w.header -text {Create New Branch} \
1764                -font font_uibold
1765        pack $w.header -side top -fill x
1766
1767        frame $w.buttons
1768        button $w.buttons.create -text Create \
1769                -font font_ui \
1770                -default active \
1771                -command [list do_create_branch_action $w]
1772        pack $w.buttons.create -side right
1773        button $w.buttons.cancel -text {Cancel} \
1774                -font font_ui \
1775                -command [list destroy $w]
1776        pack $w.buttons.cancel -side right -padx 5
1777        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1778
1779        labelframe $w.desc \
1780                -text {Branch Description} \
1781                -font font_ui
1782        label $w.desc.name_l -text {Name:} -font font_ui
1783        text $w.desc.name_t \
1784                -borderwidth 1 \
1785                -relief sunken \
1786                -height 1 \
1787                -width 40 \
1788                -font font_ui
1789        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1790        bind $w.desc.name_t <Shift-Key-Tab> "focus $w.postActions.checkout;break"
1791        bind $w.desc.name_t <Key-Tab> "focus $w.from.exp_t;break"
1792        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1793        bind $w.desc.name_t <Key> {
1794                if {{%K} ne {BackSpace}
1795                        && {%K} ne {Tab}
1796                        && {%K} ne {Escape}
1797                        && {%K} ne {Return}} {
1798                        if {%k <= 32} break
1799                        if {[string first %A {~^:?*[}] >= 0} break
1800                }
1801        }
1802        grid columnconfigure $w.desc 1 -weight 1
1803        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1804
1805        set all_trackings [list]
1806        foreach b [array names tracking_branches] {
1807                regsub ^refs/(heads|remotes)/ $b {} b
1808                lappend all_trackings $b
1809        }
1810        set all_trackings [lsort -unique $all_trackings]
1811        if {$all_trackings ne {}} {
1812                set create_branch_trackinghead [lindex $all_trackings 0]
1813        }
1814
1815        labelframe $w.from \
1816                -text {Starting Revision} \
1817                -font font_ui
1818        radiobutton $w.from.head_r \
1819                -text {Local Branch:} \
1820                -value head \
1821                -variable create_branch_revtype \
1822                -font font_ui
1823        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1824        grid $w.from.head_r $w.from.head_m -sticky w
1825        radiobutton $w.from.tracking_r \
1826                -text {Tracking Branch:} \
1827                -value tracking \
1828                -variable create_branch_revtype \
1829                -font font_ui
1830        eval tk_optionMenu $w.from.tracking_m \
1831                create_branch_trackinghead \
1832                $all_trackings
1833        grid $w.from.tracking_r $w.from.tracking_m -sticky w
1834        radiobutton $w.from.exp_r \
1835                -text {Revision Expression:} \
1836                -value expression \
1837                -variable create_branch_revtype \
1838                -font font_ui
1839        text $w.from.exp_t \
1840                -borderwidth 1 \
1841                -relief sunken \
1842                -height 1 \
1843                -width 50 \
1844                -font font_ui
1845        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1846        bind $w.from.exp_t <Shift-Key-Tab> "focus $w.desc.name_t;break"
1847        bind $w.from.exp_t <Key-Tab> "focus $w.postActions.checkout;break"
1848        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1849        grid columnconfigure $w.from 1 -weight 1
1850        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1851
1852        labelframe $w.postActions \
1853                -text {Post Creation Actions} \
1854                -font font_ui
1855        checkbutton $w.postActions.checkout \
1856                -text {Checkout after creation} \
1857                -variable create_branch_checkout \
1858                -font font_ui
1859        pack $w.postActions.checkout -anchor nw
1860        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1861
1862        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1863        bind $w <Key-Escape> "destroy $w"
1864        bind $w <Key-Return> "do_create_branch_action $w;break"
1865        wm title $w "[appname] ([reponame]): Create Branch"
1866        tkwait window $w
1867}
1868
1869proc do_delete_branch_action {w} {
1870        global all_heads
1871        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1872
1873        set check_rev {}
1874        switch -- $delete_branch_checktype {
1875        head {set check_rev $delete_branch_head}
1876        tracking {set check_rev $delete_branch_trackinghead}
1877        always {set check_rev {:none}}
1878        }
1879        if {$check_rev eq {:none}} {
1880                set check_cmt {}
1881        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
1882                tk_messageBox \
1883                        -icon error \
1884                        -type ok \
1885                        -title [wm title $w] \
1886                        -parent $w \
1887                        -message "Invalid check revision: $check_rev"
1888                return
1889        }
1890
1891        set to_delete [list]
1892        set not_merged [list]
1893        foreach i [$w.list.l curselection] {
1894                set b [$w.list.l get $i]
1895                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1896                if {$check_cmt ne {}} {
1897                        if {$b eq $check_rev} continue
1898                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
1899                        if {$o ne $m} {
1900                                lappend not_merged $b
1901                                continue
1902                        }
1903                }
1904                lappend to_delete [list $b $o]
1905        }
1906        if {$not_merged ne {}} {
1907                set msg "The following branches are not completely merged into $check_rev:
1908
1909 - [join $not_merged "\n - "]"
1910                tk_messageBox \
1911                        -icon info \
1912                        -type ok \
1913                        -title [wm title $w] \
1914                        -parent $w \
1915                        -message $msg
1916        }
1917        if {$to_delete eq {}} return
1918        if {$delete_branch_checktype eq {always}} {
1919                set msg {Recovering deleted branches is difficult.
1920
1921Delete the selected branches?}
1922                if {[tk_messageBox \
1923                        -icon warning \
1924                        -type yesno \
1925                        -title [wm title $w] \
1926                        -parent $w \
1927                        -message $msg] ne yes} {
1928                        return
1929                }
1930        }
1931
1932        set failed {}
1933        foreach i $to_delete {
1934                set b [lindex $i 0]
1935                set o [lindex $i 1]
1936                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
1937                        append failed " - $b: $err\n"
1938                } else {
1939                        set x [lsearch -sorted $all_heads $b]
1940                        if {$x >= 0} {
1941                                set all_heads [lreplace $all_heads $x $x]
1942                        }
1943                }
1944        }
1945
1946        if {$failed ne {}} {
1947                tk_messageBox \
1948                        -icon error \
1949                        -type ok \
1950                        -title [wm title $w] \
1951                        -parent $w \
1952                        -message "Failed to delete branches:\n$failed"
1953        }
1954
1955        set all_heads [lsort $all_heads]
1956        populate_branch_menu
1957        destroy $w
1958}
1959
1960proc do_delete_branch {} {
1961        global all_heads tracking_branches current_branch
1962        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1963
1964        set delete_branch_checktype head
1965        set delete_branch_head $current_branch
1966        set delete_branch_trackinghead {}
1967
1968        set w .branch_editor
1969        toplevel $w
1970        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1971
1972        label $w.header -text {Delete Local Branch} \
1973                -font font_uibold
1974        pack $w.header -side top -fill x
1975
1976        frame $w.buttons
1977        button $w.buttons.create -text Delete \
1978                -font font_ui \
1979                -command [list do_delete_branch_action $w]
1980        pack $w.buttons.create -side right
1981        button $w.buttons.cancel -text {Cancel} \
1982                -font font_ui \
1983                -command [list destroy $w]
1984        pack $w.buttons.cancel -side right -padx 5
1985        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1986
1987        labelframe $w.list \
1988                -text {Local Branches} \
1989                -font font_ui
1990        listbox $w.list.l \
1991                -height 10 \
1992                -width 50 \
1993                -selectmode extended \
1994                -font font_ui
1995        foreach h $all_heads {
1996                if {$h ne $current_branch} {
1997                        $w.list.l insert end $h
1998                }
1999        }
2000        pack $w.list.l -fill both -pady 5 -padx 5
2001        pack $w.list -fill both -pady 5 -padx 5
2002
2003        set all_trackings [list]
2004        foreach b [array names tracking_branches] {
2005                regsub ^refs/(heads|remotes)/ $b {} b
2006                lappend all_trackings $b
2007        }
2008        set all_trackings [lsort -unique $all_trackings]
2009        if {$all_trackings ne {} && $delete_branch_trackinghead eq {}} {
2010                set delete_branch_trackinghead [lindex $all_trackings 0]
2011        }
2012
2013        labelframe $w.validate \
2014                -text {Delete Only If} \
2015                -font font_ui
2016        radiobutton $w.validate.head_r \
2017                -text {Merged Into Local Branch:} \
2018                -value head \
2019                -variable delete_branch_checktype \
2020                -font font_ui
2021        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2022        grid $w.validate.head_r $w.validate.head_m -sticky w
2023        radiobutton $w.validate.tracking_r \
2024                -text {Merged Into Tracking Branch:} \
2025                -value tracking \
2026                -variable delete_branch_checktype \
2027                -font font_ui
2028        eval tk_optionMenu $w.validate.tracking_m \
2029                delete_branch_trackinghead \
2030                $all_trackings
2031        grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2032        radiobutton $w.validate.always_r \
2033                -text {Always (Do not perform merge checks)} \
2034                -value always \
2035                -variable delete_branch_checktype \
2036                -font font_ui
2037        grid $w.validate.always_r -columnspan 2 -sticky w
2038        grid columnconfigure $w.validate 1 -weight 1
2039        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2040
2041        bind $w <Visibility> "grab $w; focus $w"
2042        bind $w <Key-Escape> "destroy $w"
2043        wm title $w "[appname] ([reponame]): Delete Branch"
2044        tkwait window $w
2045}
2046
2047proc switch_branch {b} {
2048        global HEAD commit_type file_states current_branch
2049        global selected_commit_type ui_comm
2050
2051        if {![lock_index switch]} return
2052
2053        # -- Backup the selected branch (repository_state resets it)
2054        #
2055        set new_branch $current_branch
2056
2057        # -- Our in memory state should match the repository.
2058        #
2059        repository_state curType curHEAD curMERGE_HEAD
2060        if {[string match amend* $commit_type]
2061                && $curType eq {normal}
2062                && $curHEAD eq $HEAD} {
2063        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2064                info_popup {Last scanned state does not match repository state.
2065
2066Another Git program has modified this repository
2067since the last scan.  A rescan must be performed
2068before the current branch can be changed.
2069
2070The rescan will be automatically started now.
2071}
2072                unlock_index
2073                rescan {set ui_status_value {Ready.}}
2074                return
2075        }
2076
2077        # -- Toss the message buffer if we are in amend mode.
2078        #
2079        if {[string match amend* $curType]} {
2080                $ui_comm delete 0.0 end
2081                $ui_comm edit reset
2082                $ui_comm edit modified false
2083        }
2084
2085        set selected_commit_type new
2086        set current_branch $new_branch
2087
2088        unlock_index
2089        error "NOT FINISHED"
2090}
2091
2092######################################################################
2093##
2094## remote management
2095
2096proc load_all_remotes {} {
2097        global repo_config
2098        global all_remotes tracking_branches
2099
2100        set all_remotes [list]
2101        array unset tracking_branches
2102
2103        set rm_dir [gitdir remotes]
2104        if {[file isdirectory $rm_dir]} {
2105                set all_remotes [glob \
2106                        -types f \
2107                        -tails \
2108                        -nocomplain \
2109                        -directory $rm_dir *]
2110
2111                foreach name $all_remotes {
2112                        catch {
2113                                set fd [open [file join $rm_dir $name] r]
2114                                while {[gets $fd line] >= 0} {
2115                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2116                                                $line line src dst]} continue
2117                                        if {![regexp ^refs/ $dst]} {
2118                                                set dst "refs/heads/$dst"
2119                                        }
2120                                        set tracking_branches($dst) [list $name $src]
2121                                }
2122                                close $fd
2123                        }
2124                }
2125        }
2126
2127        foreach line [array names repo_config remote.*.url] {
2128                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2129                lappend all_remotes $name
2130
2131                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2132                        set fl {}
2133                }
2134                foreach line $fl {
2135                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2136                        if {![regexp ^refs/ $dst]} {
2137                                set dst "refs/heads/$dst"
2138                        }
2139                        set tracking_branches($dst) [list $name $src]
2140                }
2141        }
2142
2143        set all_remotes [lsort -unique $all_remotes]
2144}
2145
2146proc populate_fetch_menu {m} {
2147        global all_remotes repo_config
2148
2149        foreach r $all_remotes {
2150                set enable 0
2151                if {![catch {set a $repo_config(remote.$r.url)}]} {
2152                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2153                                set enable 1
2154                        }
2155                } else {
2156                        catch {
2157                                set fd [open [gitdir remotes $r] r]
2158                                while {[gets $fd n] >= 0} {
2159                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2160                                                set enable 1
2161                                                break
2162                                        }
2163                                }
2164                                close $fd
2165                        }
2166                }
2167
2168                if {$enable} {
2169                        $m add command \
2170                                -label "Fetch from $r..." \
2171                                -command [list fetch_from $r] \
2172                                -font font_ui
2173                }
2174        }
2175}
2176
2177proc populate_push_menu {m} {
2178        global all_remotes repo_config
2179
2180        foreach r $all_remotes {
2181                set enable 0
2182                if {![catch {set a $repo_config(remote.$r.url)}]} {
2183                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2184                                set enable 1
2185                        }
2186                } else {
2187                        catch {
2188                                set fd [open [gitdir remotes $r] r]
2189                                while {[gets $fd n] >= 0} {
2190                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2191                                                set enable 1
2192                                                break
2193                                        }
2194                                }
2195                                close $fd
2196                        }
2197                }
2198
2199                if {$enable} {
2200                        $m add command \
2201                                -label "Push to $r..." \
2202                                -command [list push_to $r] \
2203                                -font font_ui
2204                }
2205        }
2206}
2207
2208proc populate_pull_menu {m} {
2209        global repo_config all_remotes disable_on_lock
2210
2211        foreach remote $all_remotes {
2212                set rb_list [list]
2213                if {[array get repo_config remote.$remote.url] ne {}} {
2214                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2215                                foreach line $repo_config(remote.$remote.fetch) {
2216                                        if {[regexp {^([^:]+):} $line line rb]} {
2217                                                lappend rb_list $rb
2218                                        }
2219                                }
2220                        }
2221                } else {
2222                        catch {
2223                                set fd [open [gitdir remotes $remote] r]
2224                                while {[gets $fd line] >= 0} {
2225                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2226                                                lappend rb_list $rb
2227                                        }
2228                                }
2229                                close $fd
2230                        }
2231                }
2232
2233                foreach rb $rb_list {
2234                        regsub ^refs/heads/ $rb {} rb_short
2235                        $m add command \
2236                                -label "Branch $rb_short from $remote..." \
2237                                -command [list pull_remote $remote $rb] \
2238                                -font font_ui
2239                        lappend disable_on_lock \
2240                                [list $m entryconf [$m index last] -state]
2241                }
2242        }
2243}
2244
2245######################################################################
2246##
2247## icons
2248
2249set filemask {
2250#define mask_width 14
2251#define mask_height 15
2252static unsigned char mask_bits[] = {
2253   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2254   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2255   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2256}
2257
2258image create bitmap file_plain -background white -foreground black -data {
2259#define plain_width 14
2260#define plain_height 15
2261static unsigned char plain_bits[] = {
2262   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2263   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2264   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2265} -maskdata $filemask
2266
2267image create bitmap file_mod -background white -foreground blue -data {
2268#define mod_width 14
2269#define mod_height 15
2270static unsigned char mod_bits[] = {
2271   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2272   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2273   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2274} -maskdata $filemask
2275
2276image create bitmap file_fulltick -background white -foreground "#007000" -data {
2277#define file_fulltick_width 14
2278#define file_fulltick_height 15
2279static unsigned char file_fulltick_bits[] = {
2280   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2281   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2282   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2283} -maskdata $filemask
2284
2285image create bitmap file_parttick -background white -foreground "#005050" -data {
2286#define parttick_width 14
2287#define parttick_height 15
2288static unsigned char parttick_bits[] = {
2289   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2290   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2291   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2292} -maskdata $filemask
2293
2294image create bitmap file_question -background white -foreground black -data {
2295#define file_question_width 14
2296#define file_question_height 15
2297static unsigned char file_question_bits[] = {
2298   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2299   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2300   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2301} -maskdata $filemask
2302
2303image create bitmap file_removed -background white -foreground red -data {
2304#define file_removed_width 14
2305#define file_removed_height 15
2306static unsigned char file_removed_bits[] = {
2307   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2308   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2309   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2310} -maskdata $filemask
2311
2312image create bitmap file_merge -background white -foreground blue -data {
2313#define file_merge_width 14
2314#define file_merge_height 15
2315static unsigned char file_merge_bits[] = {
2316   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2317   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2318   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2319} -maskdata $filemask
2320
2321set ui_index .vpane.files.index.list
2322set ui_workdir .vpane.files.workdir.list
2323
2324set all_icons(_$ui_index)   file_plain
2325set all_icons(A$ui_index)   file_fulltick
2326set all_icons(M$ui_index)   file_fulltick
2327set all_icons(D$ui_index)   file_removed
2328set all_icons(U$ui_index)   file_merge
2329
2330set all_icons(_$ui_workdir) file_plain
2331set all_icons(M$ui_workdir) file_mod
2332set all_icons(D$ui_workdir) file_question
2333set all_icons(U$ui_workdir) file_merge
2334set all_icons(O$ui_workdir) file_plain
2335
2336set max_status_desc 0
2337foreach i {
2338                {__ "Unmodified"}
2339
2340                {_M "Modified, not staged"}
2341                {M_ "Staged for commit"}
2342                {MM "Portions staged for commit"}
2343                {MD "Staged for commit, missing"}
2344
2345                {_O "Untracked, not staged"}
2346                {A_ "Staged for commit"}
2347                {AM "Portions staged for commit"}
2348                {AD "Staged for commit, missing"}
2349
2350                {_D "Missing"}
2351                {D_ "Staged for removal"}
2352                {DO "Staged for removal, still present"}
2353
2354                {U_ "Requires merge resolution"}
2355                {UU "Requires merge resolution"}
2356                {UM "Requires merge resolution"}
2357                {UD "Requires merge resolution"}
2358        } {
2359        if {$max_status_desc < [string length [lindex $i 1]]} {
2360                set max_status_desc [string length [lindex $i 1]]
2361        }
2362        set all_descs([lindex $i 0]) [lindex $i 1]
2363}
2364unset i
2365
2366######################################################################
2367##
2368## util
2369
2370proc is_MacOSX {} {
2371        global tcl_platform tk_library
2372        if {[tk windowingsystem] eq {aqua}} {
2373                return 1
2374        }
2375        return 0
2376}
2377
2378proc is_Windows {} {
2379        global tcl_platform
2380        if {$tcl_platform(platform) eq {windows}} {
2381                return 1
2382        }
2383        return 0
2384}
2385
2386proc bind_button3 {w cmd} {
2387        bind $w <Any-Button-3> $cmd
2388        if {[is_MacOSX]} {
2389                bind $w <Control-Button-1> $cmd
2390        }
2391}
2392
2393proc incr_font_size {font {amt 1}} {
2394        set sz [font configure $font -size]
2395        incr sz $amt
2396        font configure $font -size $sz
2397        font configure ${font}bold -size $sz
2398}
2399
2400proc hook_failed_popup {hook msg} {
2401        set w .hookfail
2402        toplevel $w
2403
2404        frame $w.m
2405        label $w.m.l1 -text "$hook hook failed:" \
2406                -anchor w \
2407                -justify left \
2408                -font font_uibold
2409        text $w.m.t \
2410                -background white -borderwidth 1 \
2411                -relief sunken \
2412                -width 80 -height 10 \
2413                -font font_diff \
2414                -yscrollcommand [list $w.m.sby set]
2415        label $w.m.l2 \
2416                -text {You must correct the above errors before committing.} \
2417                -anchor w \
2418                -justify left \
2419                -font font_uibold
2420        scrollbar $w.m.sby -command [list $w.m.t yview]
2421        pack $w.m.l1 -side top -fill x
2422        pack $w.m.l2 -side bottom -fill x
2423        pack $w.m.sby -side right -fill y
2424        pack $w.m.t -side left -fill both -expand 1
2425        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2426
2427        $w.m.t insert 1.0 $msg
2428        $w.m.t conf -state disabled
2429
2430        button $w.ok -text OK \
2431                -width 15 \
2432                -font font_ui \
2433                -command "destroy $w"
2434        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2435
2436        bind $w <Visibility> "grab $w; focus $w"
2437        bind $w <Key-Return> "destroy $w"
2438        wm title $w "[appname] ([reponame]): error"
2439        tkwait window $w
2440}
2441
2442set next_console_id 0
2443
2444proc new_console {short_title long_title} {
2445        global next_console_id console_data
2446        set w .console[incr next_console_id]
2447        set console_data($w) [list $short_title $long_title]
2448        return [console_init $w]
2449}
2450
2451proc console_init {w} {
2452        global console_cr console_data M1B
2453
2454        set console_cr($w) 1.0
2455        toplevel $w
2456        frame $w.m
2457        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2458                -anchor w \
2459                -justify left \
2460                -font font_uibold
2461        text $w.m.t \
2462                -background white -borderwidth 1 \
2463                -relief sunken \
2464                -width 80 -height 10 \
2465                -font font_diff \
2466                -state disabled \
2467                -yscrollcommand [list $w.m.sby set]
2468        label $w.m.s -text {Working... please wait...} \
2469                -anchor w \
2470                -justify left \
2471                -font font_uibold
2472        scrollbar $w.m.sby -command [list $w.m.t yview]
2473        pack $w.m.l1 -side top -fill x
2474        pack $w.m.s -side bottom -fill x
2475        pack $w.m.sby -side right -fill y
2476        pack $w.m.t -side left -fill both -expand 1
2477        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2478
2479        menu $w.ctxm -tearoff 0
2480        $w.ctxm add command -label "Copy" \
2481                -font font_ui \
2482                -command "tk_textCopy $w.m.t"
2483        $w.ctxm add command -label "Select All" \
2484                -font font_ui \
2485                -command "$w.m.t tag add sel 0.0 end"
2486        $w.ctxm add command -label "Copy All" \
2487                -font font_ui \
2488                -command "
2489                        $w.m.t tag add sel 0.0 end
2490                        tk_textCopy $w.m.t
2491                        $w.m.t tag remove sel 0.0 end
2492                "
2493
2494        button $w.ok -text {Close} \
2495                -font font_ui \
2496                -state disabled \
2497                -command "destroy $w"
2498        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2499
2500        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2501        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2502        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2503        bind $w <Visibility> "focus $w"
2504        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2505        return $w
2506}
2507
2508proc console_exec {w cmd {after {}}} {
2509        # -- Windows tosses the enviroment when we exec our child.
2510        #    But most users need that so we have to relogin. :-(
2511        #
2512        if {[is_Windows]} {
2513                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2514        }
2515
2516        # -- Tcl won't let us redirect both stdout and stderr to
2517        #    the same pipe.  So pass it through cat...
2518        #
2519        set cmd [concat | $cmd |& cat]
2520
2521        set fd_f [open $cmd r]
2522        fconfigure $fd_f -blocking 0 -translation binary
2523        fileevent $fd_f readable [list console_read $w $fd_f $after]
2524}
2525
2526proc console_read {w fd after} {
2527        global console_cr console_data
2528
2529        set buf [read $fd]
2530        if {$buf ne {}} {
2531                if {![winfo exists $w]} {console_init $w}
2532                $w.m.t conf -state normal
2533                set c 0
2534                set n [string length $buf]
2535                while {$c < $n} {
2536                        set cr [string first "\r" $buf $c]
2537                        set lf [string first "\n" $buf $c]
2538                        if {$cr < 0} {set cr [expr {$n + 1}]}
2539                        if {$lf < 0} {set lf [expr {$n + 1}]}
2540
2541                        if {$lf < $cr} {
2542                                $w.m.t insert end [string range $buf $c $lf]
2543                                set console_cr($w) [$w.m.t index {end -1c}]
2544                                set c $lf
2545                                incr c
2546                        } else {
2547                                $w.m.t delete $console_cr($w) end
2548                                $w.m.t insert end "\n"
2549                                $w.m.t insert end [string range $buf $c $cr]
2550                                set c $cr
2551                                incr c
2552                        }
2553                }
2554                $w.m.t conf -state disabled
2555                $w.m.t see end
2556        }
2557
2558        fconfigure $fd -blocking 1
2559        if {[eof $fd]} {
2560                if {[catch {close $fd}]} {
2561                        if {![winfo exists $w]} {console_init $w}
2562                        $w.m.s conf -background red -text {Error: Command Failed}
2563                        $w.ok conf -state normal
2564                        set ok 0
2565                } elseif {[winfo exists $w]} {
2566                        $w.m.s conf -background green -text {Success}
2567                        $w.ok conf -state normal
2568                        set ok 1
2569                }
2570                array unset console_cr $w
2571                array unset console_data $w
2572                if {$after ne {}} {
2573                        uplevel #0 $after $ok
2574                }
2575                return
2576        }
2577        fconfigure $fd -blocking 0
2578}
2579
2580######################################################################
2581##
2582## ui commands
2583
2584set starting_gitk_msg {Starting gitk... please wait...}
2585
2586proc do_gitk {revs} {
2587        global ui_status_value starting_gitk_msg
2588
2589        set cmd gitk
2590        if {$revs ne {}} {
2591                append cmd { }
2592                append cmd $revs
2593        }
2594        if {[is_Windows]} {
2595                set cmd "sh -c \"exec $cmd\""
2596        }
2597        append cmd { &}
2598
2599        if {[catch {eval exec $cmd} err]} {
2600                error_popup "Failed to start gitk:\n\n$err"
2601        } else {
2602                set ui_status_value $starting_gitk_msg
2603                after 10000 {
2604                        if {$ui_status_value eq $starting_gitk_msg} {
2605                                set ui_status_value {Ready.}
2606                        }
2607                }
2608        }
2609}
2610
2611proc do_gc {} {
2612        set w [new_console {gc} {Compressing the object database}]
2613        console_exec $w {git gc}
2614}
2615
2616proc do_fsck_objects {} {
2617        set w [new_console {fsck-objects} \
2618                {Verifying the object database with fsck-objects}]
2619        set cmd [list git fsck-objects]
2620        lappend cmd --full
2621        lappend cmd --cache
2622        lappend cmd --strict
2623        console_exec $w $cmd
2624}
2625
2626set is_quitting 0
2627
2628proc do_quit {} {
2629        global ui_comm is_quitting repo_config commit_type
2630
2631        if {$is_quitting} return
2632        set is_quitting 1
2633
2634        # -- Stash our current commit buffer.
2635        #
2636        set save [gitdir GITGUI_MSG]
2637        set msg [string trim [$ui_comm get 0.0 end]]
2638        if {![string match amend* $commit_type]
2639                && [$ui_comm edit modified]
2640                && $msg ne {}} {
2641                catch {
2642                        set fd [open $save w]
2643                        puts $fd [string trim [$ui_comm get 0.0 end]]
2644                        close $fd
2645                }
2646        } else {
2647                catch {file delete $save}
2648        }
2649
2650        # -- Stash our current window geometry into this repository.
2651        #
2652        set cfg_geometry [list]
2653        lappend cfg_geometry [wm geometry .]
2654        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2655        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2656        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2657                set rc_geometry {}
2658        }
2659        if {$cfg_geometry ne $rc_geometry} {
2660                catch {exec git repo-config gui.geometry $cfg_geometry}
2661        }
2662
2663        destroy .
2664}
2665
2666proc do_rescan {} {
2667        rescan {set ui_status_value {Ready.}}
2668}
2669
2670proc unstage_helper {txt paths} {
2671        global file_states current_diff_path
2672
2673        if {![lock_index begin-update]} return
2674
2675        set pathList [list]
2676        set after {}
2677        foreach path $paths {
2678                switch -glob -- [lindex $file_states($path) 0] {
2679                A? -
2680                M? -
2681                D? {
2682                        lappend pathList $path
2683                        if {$path eq $current_diff_path} {
2684                                set after {reshow_diff;}
2685                        }
2686                }
2687                }
2688        }
2689        if {$pathList eq {}} {
2690                unlock_index
2691        } else {
2692                update_indexinfo \
2693                        $txt \
2694                        $pathList \
2695                        [concat $after {set ui_status_value {Ready.}}]
2696        }
2697}
2698
2699proc do_unstage_selection {} {
2700        global current_diff_path selected_paths
2701
2702        if {[array size selected_paths] > 0} {
2703                unstage_helper \
2704                        {Unstaging selected files from commit} \
2705                        [array names selected_paths]
2706        } elseif {$current_diff_path ne {}} {
2707                unstage_helper \
2708                        "Unstaging [short_path $current_diff_path] from commit" \
2709                        [list $current_diff_path]
2710        }
2711}
2712
2713proc add_helper {txt paths} {
2714        global file_states current_diff_path
2715
2716        if {![lock_index begin-update]} return
2717
2718        set pathList [list]
2719        set after {}
2720        foreach path $paths {
2721                switch -glob -- [lindex $file_states($path) 0] {
2722                _O -
2723                ?M -
2724                ?D -
2725                U? {
2726                        lappend pathList $path
2727                        if {$path eq $current_diff_path} {
2728                                set after {reshow_diff;}
2729                        }
2730                }
2731                }
2732        }
2733        if {$pathList eq {}} {
2734                unlock_index
2735        } else {
2736                update_index \
2737                        $txt \
2738                        $pathList \
2739                        [concat $after {set ui_status_value {Ready to commit.}}]
2740        }
2741}
2742
2743proc do_add_selection {} {
2744        global current_diff_path selected_paths
2745
2746        if {[array size selected_paths] > 0} {
2747                add_helper \
2748                        {Adding selected files} \
2749                        [array names selected_paths]
2750        } elseif {$current_diff_path ne {}} {
2751                add_helper \
2752                        "Adding [short_path $current_diff_path]" \
2753                        [list $current_diff_path]
2754        }
2755}
2756
2757proc do_add_all {} {
2758        global file_states
2759
2760        set paths [list]
2761        foreach path [array names file_states] {
2762                switch -glob -- [lindex $file_states($path) 0] {
2763                U? {continue}
2764                ?M -
2765                ?D {lappend paths $path}
2766                }
2767        }
2768        add_helper {Adding all changed files} $paths
2769}
2770
2771proc revert_helper {txt paths} {
2772        global file_states current_diff_path
2773
2774        if {![lock_index begin-update]} return
2775
2776        set pathList [list]
2777        set after {}
2778        foreach path $paths {
2779                switch -glob -- [lindex $file_states($path) 0] {
2780                U? {continue}
2781                ?M -
2782                ?D {
2783                        lappend pathList $path
2784                        if {$path eq $current_diff_path} {
2785                                set after {reshow_diff;}
2786                        }
2787                }
2788                }
2789        }
2790
2791        set n [llength $pathList]
2792        if {$n == 0} {
2793                unlock_index
2794                return
2795        } elseif {$n == 1} {
2796                set s "[short_path [lindex $pathList]]"
2797        } else {
2798                set s "these $n files"
2799        }
2800
2801        set reply [tk_dialog \
2802                .confirm_revert \
2803                "[appname] ([reponame])" \
2804                "Revert changes in $s?
2805
2806Any unadded changes will be permanently lost by the revert." \
2807                question \
2808                1 \
2809                {Do Nothing} \
2810                {Revert Changes} \
2811                ]
2812        if {$reply == 1} {
2813                checkout_index \
2814                        $txt \
2815                        $pathList \
2816                        [concat $after {set ui_status_value {Ready.}}]
2817        } else {
2818                unlock_index
2819        }
2820}
2821
2822proc do_revert_selection {} {
2823        global current_diff_path selected_paths
2824
2825        if {[array size selected_paths] > 0} {
2826                revert_helper \
2827                        {Reverting selected files} \
2828                        [array names selected_paths]
2829        } elseif {$current_diff_path ne {}} {
2830                revert_helper \
2831                        "Reverting [short_path $current_diff_path]" \
2832                        [list $current_diff_path]
2833        }
2834}
2835
2836proc do_signoff {} {
2837        global ui_comm
2838
2839        set me [committer_ident]
2840        if {$me eq {}} return
2841
2842        set sob "Signed-off-by: $me"
2843        set last [$ui_comm get {end -1c linestart} {end -1c}]
2844        if {$last ne $sob} {
2845                $ui_comm edit separator
2846                if {$last ne {}
2847                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2848                        $ui_comm insert end "\n"
2849                }
2850                $ui_comm insert end "\n$sob"
2851                $ui_comm edit separator
2852                $ui_comm see end
2853        }
2854}
2855
2856proc do_select_commit_type {} {
2857        global commit_type selected_commit_type
2858
2859        if {$selected_commit_type eq {new}
2860                && [string match amend* $commit_type]} {
2861                create_new_commit
2862        } elseif {$selected_commit_type eq {amend}
2863                && ![string match amend* $commit_type]} {
2864                load_last_commit
2865
2866                # The amend request was rejected...
2867                #
2868                if {![string match amend* $commit_type]} {
2869                        set selected_commit_type new
2870                }
2871        }
2872}
2873
2874proc do_commit {} {
2875        commit_tree
2876}
2877
2878proc do_about {} {
2879        global appvers copyright
2880        global tcl_patchLevel tk_patchLevel
2881
2882        set w .about_dialog
2883        toplevel $w
2884        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2885
2886        label $w.header -text "About [appname]" \
2887                -font font_uibold
2888        pack $w.header -side top -fill x
2889
2890        frame $w.buttons
2891        button $w.buttons.close -text {Close} \
2892                -font font_ui \
2893                -command [list destroy $w]
2894        pack $w.buttons.close -side right
2895        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2896
2897        label $w.desc \
2898                -text "[appname] - a commit creation tool for Git.
2899$copyright" \
2900                -padx 5 -pady 5 \
2901                -justify left \
2902                -anchor w \
2903                -borderwidth 1 \
2904                -relief solid \
2905                -font font_ui
2906        pack $w.desc -side top -fill x -padx 5 -pady 5
2907
2908        set v {}
2909        append v "[appname] version $appvers\n"
2910        append v "[exec git version]\n"
2911        append v "\n"
2912        if {$tcl_patchLevel eq $tk_patchLevel} {
2913                append v "Tcl/Tk version $tcl_patchLevel"
2914        } else {
2915                append v "Tcl version $tcl_patchLevel"
2916                append v ", Tk version $tk_patchLevel"
2917        }
2918
2919        label $w.vers \
2920                -text $v \
2921                -padx 5 -pady 5 \
2922                -justify left \
2923                -anchor w \
2924                -borderwidth 1 \
2925                -relief solid \
2926                -font font_ui
2927        pack $w.vers -side top -fill x -padx 5 -pady 5
2928
2929        menu $w.ctxm -tearoff 0
2930        $w.ctxm add command \
2931                -label {Copy} \
2932                -font font_ui \
2933                -command "
2934                clipboard clear
2935                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2936        "
2937
2938        bind $w <Visibility> "grab $w; focus $w"
2939        bind $w <Key-Escape> "destroy $w"
2940        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2941        wm title $w "About [appname]"
2942        tkwait window $w
2943}
2944
2945proc do_options {} {
2946        global repo_config global_config font_descs
2947        global repo_config_new global_config_new
2948
2949        array unset repo_config_new
2950        array unset global_config_new
2951        foreach name [array names repo_config] {
2952                set repo_config_new($name) $repo_config($name)
2953        }
2954        load_config 1
2955        foreach name [array names repo_config] {
2956                switch -- $name {
2957                gui.diffcontext {continue}
2958                }
2959                set repo_config_new($name) $repo_config($name)
2960        }
2961        foreach name [array names global_config] {
2962                set global_config_new($name) $global_config($name)
2963        }
2964
2965        set w .options_editor
2966        toplevel $w
2967        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2968
2969        label $w.header -text "[appname] Options" \
2970                -font font_uibold
2971        pack $w.header -side top -fill x
2972
2973        frame $w.buttons
2974        button $w.buttons.restore -text {Restore Defaults} \
2975                -font font_ui \
2976                -command do_restore_defaults
2977        pack $w.buttons.restore -side left
2978        button $w.buttons.save -text Save \
2979                -font font_ui \
2980                -command [list do_save_config $w]
2981        pack $w.buttons.save -side right
2982        button $w.buttons.cancel -text {Cancel} \
2983                -font font_ui \
2984                -command [list destroy $w]
2985        pack $w.buttons.cancel -side right -padx 5
2986        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2987
2988        labelframe $w.repo -text "[reponame] Repository" \
2989                -font font_ui \
2990                -relief raised -borderwidth 2
2991        labelframe $w.global -text {Global (All Repositories)} \
2992                -font font_ui \
2993                -relief raised -borderwidth 2
2994        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2995        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2996
2997        foreach option {
2998                {b pullsummary {Show Pull Summary}}
2999                {b trustmtime  {Trust File Modification Timestamps}}
3000                {i diffcontext {Number of Diff Context Lines}}
3001                } {
3002                set type [lindex $option 0]
3003                set name [lindex $option 1]
3004                set text [lindex $option 2]
3005                foreach f {repo global} {
3006                        switch $type {
3007                        b {
3008                                checkbutton $w.$f.$name -text $text \
3009                                        -variable ${f}_config_new(gui.$name) \
3010                                        -onvalue true \
3011                                        -offvalue false \
3012                                        -font font_ui
3013                                pack $w.$f.$name -side top -anchor w
3014                        }
3015                        i {
3016                                frame $w.$f.$name
3017                                label $w.$f.$name.l -text "$text:" -font font_ui
3018                                pack $w.$f.$name.l -side left -anchor w -fill x
3019                                spinbox $w.$f.$name.v \
3020                                        -textvariable ${f}_config_new(gui.$name) \
3021                                        -from 1 -to 99 -increment 1 \
3022                                        -width 3 \
3023                                        -font font_ui
3024                                pack $w.$f.$name.v -side right -anchor e
3025                                pack $w.$f.$name -side top -anchor w -fill x
3026                        }
3027                        }
3028                }
3029        }
3030
3031        set all_fonts [lsort [font families]]
3032        foreach option $font_descs {
3033                set name [lindex $option 0]
3034                set font [lindex $option 1]
3035                set text [lindex $option 2]
3036
3037                set global_config_new(gui.$font^^family) \
3038                        [font configure $font -family]
3039                set global_config_new(gui.$font^^size) \
3040                        [font configure $font -size]
3041
3042                frame $w.global.$name
3043                label $w.global.$name.l -text "$text:" -font font_ui
3044                pack $w.global.$name.l -side left -anchor w -fill x
3045                eval tk_optionMenu $w.global.$name.family \
3046                        global_config_new(gui.$font^^family) \
3047                        $all_fonts
3048                spinbox $w.global.$name.size \
3049                        -textvariable global_config_new(gui.$font^^size) \
3050                        -from 2 -to 80 -increment 1 \
3051                        -width 3 \
3052                        -font font_ui
3053                pack $w.global.$name.size -side right -anchor e
3054                pack $w.global.$name.family -side right -anchor e
3055                pack $w.global.$name -side top -anchor w -fill x
3056        }
3057
3058        bind $w <Visibility> "grab $w; focus $w"
3059        bind $w <Key-Escape> "destroy $w"
3060        wm title $w "[appname] ([reponame]): Options"
3061        tkwait window $w
3062}
3063
3064proc do_restore_defaults {} {
3065        global font_descs default_config repo_config
3066        global repo_config_new global_config_new
3067
3068        foreach name [array names default_config] {
3069                set repo_config_new($name) $default_config($name)
3070                set global_config_new($name) $default_config($name)
3071        }
3072
3073        foreach option $font_descs {
3074                set name [lindex $option 0]
3075                set repo_config(gui.$name) $default_config(gui.$name)
3076        }
3077        apply_config
3078
3079        foreach option $font_descs {
3080                set name [lindex $option 0]
3081                set font [lindex $option 1]
3082                set global_config_new(gui.$font^^family) \
3083                        [font configure $font -family]
3084                set global_config_new(gui.$font^^size) \
3085                        [font configure $font -size]
3086        }
3087}
3088
3089proc do_save_config {w} {
3090        if {[catch {save_config} err]} {
3091                error_popup "Failed to completely save options:\n\n$err"
3092        }
3093        reshow_diff
3094        destroy $w
3095}
3096
3097proc do_windows_shortcut {} {
3098        global argv0
3099
3100        if {[catch {
3101                set desktop [exec cygpath \
3102                        --windows \
3103                        --absolute \
3104                        --long-name \
3105                        --desktop]
3106                }]} {
3107                        set desktop .
3108        }
3109        set fn [tk_getSaveFile \
3110                -parent . \
3111                -title "[appname] ([reponame]): Create Desktop Icon" \
3112                -initialdir $desktop \
3113                -initialfile "Git [reponame].bat"]
3114        if {$fn != {}} {
3115                if {[catch {
3116                                set fd [open $fn w]
3117                                set sh [exec cygpath \
3118                                        --windows \
3119                                        --absolute \
3120                                        /bin/sh]
3121                                set me [exec cygpath \
3122                                        --unix \
3123                                        --absolute \
3124                                        $argv0]
3125                                set gd [exec cygpath \
3126                                        --unix \
3127                                        --absolute \
3128                                        [gitdir]]
3129                                set gw [exec cygpath \
3130                                        --windows \
3131                                        --absolute \
3132                                        [file dirname [gitdir]]]
3133                                regsub -all ' $me "'\\''" me
3134                                regsub -all ' $gd "'\\''" gd
3135                                puts $fd "@ECHO Entering $gw"
3136                                puts $fd "@ECHO Starting git-gui... please wait..."
3137                                puts -nonewline $fd "@\"$sh\" --login -c \""
3138                                puts -nonewline $fd "GIT_DIR='$gd'"
3139                                puts -nonewline $fd " '$me'"
3140                                puts $fd "&\""
3141                                close $fd
3142                        } err]} {
3143                        error_popup "Cannot write script:\n\n$err"
3144                }
3145        }
3146}
3147
3148proc do_macosx_app {} {
3149        global argv0 env
3150
3151        set fn [tk_getSaveFile \
3152                -parent . \
3153                -title "[appname] ([reponame]): Create Desktop Icon" \
3154                -initialdir [file join $env(HOME) Desktop] \
3155                -initialfile "Git [reponame].app"]
3156        if {$fn != {}} {
3157                if {[catch {
3158                                set Contents [file join $fn Contents]
3159                                set MacOS [file join $Contents MacOS]
3160                                set exe [file join $MacOS git-gui]
3161
3162                                file mkdir $MacOS
3163
3164                                set fd [open [file join $Contents Info.plist] w]
3165                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3166<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3167<plist version="1.0">
3168<dict>
3169        <key>CFBundleDevelopmentRegion</key>
3170        <string>English</string>
3171        <key>CFBundleExecutable</key>
3172        <string>git-gui</string>
3173        <key>CFBundleIdentifier</key>
3174        <string>org.spearce.git-gui</string>
3175        <key>CFBundleInfoDictionaryVersion</key>
3176        <string>6.0</string>
3177        <key>CFBundlePackageType</key>
3178        <string>APPL</string>
3179        <key>CFBundleSignature</key>
3180        <string>????</string>
3181        <key>CFBundleVersion</key>
3182        <string>1.0</string>
3183        <key>NSPrincipalClass</key>
3184        <string>NSApplication</string>
3185</dict>
3186</plist>}
3187                                close $fd
3188
3189                                set fd [open $exe w]
3190                                set gd [file normalize [gitdir]]
3191                                set ep [file normalize [exec git --exec-path]]
3192                                regsub -all ' $gd "'\\''" gd
3193                                regsub -all ' $ep "'\\''" ep
3194                                puts $fd "#!/bin/sh"
3195                                foreach name [array names env] {
3196                                        if {[string match GIT_* $name]} {
3197                                                regsub -all ' $env($name) "'\\''" v
3198                                                puts $fd "export $name='$v'"
3199                                        }
3200                                }
3201                                puts $fd "export PATH='$ep':\$PATH"
3202                                puts $fd "export GIT_DIR='$gd'"
3203                                puts $fd "exec [file normalize $argv0]"
3204                                close $fd
3205
3206                                file attributes $exe -permissions u+x,g+x,o+x
3207                        } err]} {
3208                        error_popup "Cannot write icon:\n\n$err"
3209                }
3210        }
3211}
3212
3213proc toggle_or_diff {w x y} {
3214        global file_states file_lists current_diff_path ui_index ui_workdir
3215        global last_clicked selected_paths
3216
3217        set pos [split [$w index @$x,$y] .]
3218        set lno [lindex $pos 0]
3219        set col [lindex $pos 1]
3220        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3221        if {$path eq {}} {
3222                set last_clicked {}
3223                return
3224        }
3225
3226        set last_clicked [list $w $lno]
3227        array unset selected_paths
3228        $ui_index tag remove in_sel 0.0 end
3229        $ui_workdir tag remove in_sel 0.0 end
3230
3231        if {$col == 0} {
3232                if {$current_diff_path eq $path} {
3233                        set after {reshow_diff;}
3234                } else {
3235                        set after {}
3236                }
3237                if {$w eq $ui_index} {
3238                        update_indexinfo \
3239                                "Unstaging [short_path $path] from commit" \
3240                                [list $path] \
3241                                [concat $after {set ui_status_value {Ready.}}]
3242                } elseif {$w eq $ui_workdir} {
3243                        update_index \
3244                                "Adding [short_path $path]" \
3245                                [list $path] \
3246                                [concat $after {set ui_status_value {Ready.}}]
3247                }
3248        } else {
3249                show_diff $path $w $lno
3250        }
3251}
3252
3253proc add_one_to_selection {w x y} {
3254        global file_lists last_clicked selected_paths
3255
3256        set lno [lindex [split [$w index @$x,$y] .] 0]
3257        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3258        if {$path eq {}} {
3259                set last_clicked {}
3260                return
3261        }
3262
3263        if {$last_clicked ne {}
3264                && [lindex $last_clicked 0] ne $w} {
3265                array unset selected_paths
3266                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3267        }
3268
3269        set last_clicked [list $w $lno]
3270        if {[catch {set in_sel $selected_paths($path)}]} {
3271                set in_sel 0
3272        }
3273        if {$in_sel} {
3274                unset selected_paths($path)
3275                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3276        } else {
3277                set selected_paths($path) 1
3278                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3279        }
3280}
3281
3282proc add_range_to_selection {w x y} {
3283        global file_lists last_clicked selected_paths
3284
3285        if {[lindex $last_clicked 0] ne $w} {
3286                toggle_or_diff $w $x $y
3287                return
3288        }
3289
3290        set lno [lindex [split [$w index @$x,$y] .] 0]
3291        set lc [lindex $last_clicked 1]
3292        if {$lc < $lno} {
3293                set begin $lc
3294                set end $lno
3295        } else {
3296                set begin $lno
3297                set end $lc
3298        }
3299
3300        foreach path [lrange $file_lists($w) \
3301                [expr {$begin - 1}] \
3302                [expr {$end - 1}]] {
3303                set selected_paths($path) 1
3304        }
3305        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3306}
3307
3308######################################################################
3309##
3310## config defaults
3311
3312set cursor_ptr arrow
3313font create font_diff -family Courier -size 10
3314font create font_ui
3315catch {
3316        label .dummy
3317        eval font configure font_ui [font actual [.dummy cget -font]]
3318        destroy .dummy
3319}
3320
3321font create font_uibold
3322font create font_diffbold
3323
3324if {[is_Windows]} {
3325        set M1B Control
3326        set M1T Ctrl
3327} elseif {[is_MacOSX]} {
3328        set M1B M1
3329        set M1T Cmd
3330} else {
3331        set M1B M1
3332        set M1T M1
3333}
3334
3335proc apply_config {} {
3336        global repo_config font_descs
3337
3338        foreach option $font_descs {
3339                set name [lindex $option 0]
3340                set font [lindex $option 1]
3341                if {[catch {
3342                        foreach {cn cv} $repo_config(gui.$name) {
3343                                font configure $font $cn $cv
3344                        }
3345                        } err]} {
3346                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3347                }
3348                foreach {cn cv} [font configure $font] {
3349                        font configure ${font}bold $cn $cv
3350                }
3351                font configure ${font}bold -weight bold
3352        }
3353}
3354
3355set default_config(gui.trustmtime) false
3356set default_config(gui.pullsummary) true
3357set default_config(gui.diffcontext) 5
3358set default_config(gui.fontui) [font configure font_ui]
3359set default_config(gui.fontdiff) [font configure font_diff]
3360set font_descs {
3361        {fontui   font_ui   {Main Font}}
3362        {fontdiff font_diff {Diff/Console Font}}
3363}
3364load_config 0
3365apply_config
3366
3367######################################################################
3368##
3369## ui construction
3370
3371# -- Menu Bar
3372#
3373menu .mbar -tearoff 0
3374.mbar add cascade -label Repository -menu .mbar.repository
3375.mbar add cascade -label Edit -menu .mbar.edit
3376if {!$single_commit} {
3377        .mbar add cascade -label Branch -menu .mbar.branch
3378}
3379.mbar add cascade -label Commit -menu .mbar.commit
3380if {!$single_commit} {
3381        .mbar add cascade -label Fetch -menu .mbar.fetch
3382        .mbar add cascade -label Pull -menu .mbar.pull
3383        .mbar add cascade -label Push -menu .mbar.push
3384}
3385. configure -menu .mbar
3386
3387# -- Repository Menu
3388#
3389menu .mbar.repository
3390.mbar.repository add command \
3391        -label {Visualize Current Branch} \
3392        -command {do_gitk {}} \
3393        -font font_ui
3394if {![is_MacOSX]} {
3395        .mbar.repository add command \
3396                -label {Visualize All Branches} \
3397                -command {do_gitk {--all}} \
3398                -font font_ui
3399}
3400.mbar.repository add separator
3401
3402if {!$single_commit} {
3403        .mbar.repository add command -label {Compress Database} \
3404                -command do_gc \
3405                -font font_ui
3406
3407        .mbar.repository add command -label {Verify Database} \
3408                -command do_fsck_objects \
3409                -font font_ui
3410
3411        .mbar.repository add separator
3412
3413        if {[is_Windows]} {
3414                .mbar.repository add command \
3415                        -label {Create Desktop Icon} \
3416                        -command do_windows_shortcut \
3417                        -font font_ui
3418        } elseif {[is_MacOSX]} {
3419                .mbar.repository add command \
3420                        -label {Create Desktop Icon} \
3421                        -command do_macosx_app \
3422                        -font font_ui
3423        }
3424}
3425
3426.mbar.repository add command -label Quit \
3427        -command do_quit \
3428        -accelerator $M1T-Q \
3429        -font font_ui
3430
3431# -- Edit Menu
3432#
3433menu .mbar.edit
3434.mbar.edit add command -label Undo \
3435        -command {catch {[focus] edit undo}} \
3436        -accelerator $M1T-Z \
3437        -font font_ui
3438.mbar.edit add command -label Redo \
3439        -command {catch {[focus] edit redo}} \
3440        -accelerator $M1T-Y \
3441        -font font_ui
3442.mbar.edit add separator
3443.mbar.edit add command -label Cut \
3444        -command {catch {tk_textCut [focus]}} \
3445        -accelerator $M1T-X \
3446        -font font_ui
3447.mbar.edit add command -label Copy \
3448        -command {catch {tk_textCopy [focus]}} \
3449        -accelerator $M1T-C \
3450        -font font_ui
3451.mbar.edit add command -label Paste \
3452        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3453        -accelerator $M1T-V \
3454        -font font_ui
3455.mbar.edit add command -label Delete \
3456        -command {catch {[focus] delete sel.first sel.last}} \
3457        -accelerator Del \
3458        -font font_ui
3459.mbar.edit add separator
3460.mbar.edit add command -label {Select All} \
3461        -command {catch {[focus] tag add sel 0.0 end}} \
3462        -accelerator $M1T-A \
3463        -font font_ui
3464
3465# -- Branch Menu
3466#
3467if {!$single_commit} {
3468        menu .mbar.branch
3469
3470        .mbar.branch add command -label {Create...} \
3471                -command do_create_branch \
3472                -accelerator $M1T-N \
3473                -font font_ui
3474        lappend disable_on_lock [list .mbar.branch entryconf \
3475                [.mbar.branch index last] -state]
3476
3477        .mbar.branch add command -label {Delete...} \
3478                -command do_delete_branch \
3479                -font font_ui
3480        lappend disable_on_lock [list .mbar.branch entryconf \
3481                [.mbar.branch index last] -state]
3482}
3483
3484# -- Commit Menu
3485#
3486menu .mbar.commit
3487
3488.mbar.commit add radiobutton \
3489        -label {New Commit} \
3490        -command do_select_commit_type \
3491        -variable selected_commit_type \
3492        -value new \
3493        -font font_ui
3494lappend disable_on_lock \
3495        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3496
3497.mbar.commit add radiobutton \
3498        -label {Amend Last Commit} \
3499        -command do_select_commit_type \
3500        -variable selected_commit_type \
3501        -value amend \
3502        -font font_ui
3503lappend disable_on_lock \
3504        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3505
3506.mbar.commit add separator
3507
3508.mbar.commit add command -label Rescan \
3509        -command do_rescan \
3510        -accelerator F5 \
3511        -font font_ui
3512lappend disable_on_lock \
3513        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3514
3515.mbar.commit add command -label {Add To Commit} \
3516        -command do_add_selection \
3517        -font font_ui
3518lappend disable_on_lock \
3519        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3520
3521.mbar.commit add command -label {Add All To Commit} \
3522        -command do_add_all \
3523        -accelerator $M1T-I \
3524        -font font_ui
3525lappend disable_on_lock \
3526        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3527
3528.mbar.commit add command -label {Unstage From Commit} \
3529        -command do_unstage_selection \
3530        -font font_ui
3531lappend disable_on_lock \
3532        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3533
3534.mbar.commit add command -label {Revert Changes} \
3535        -command do_revert_selection \
3536        -font font_ui
3537lappend disable_on_lock \
3538        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3539
3540.mbar.commit add separator
3541
3542.mbar.commit add command -label {Sign Off} \
3543        -command do_signoff \
3544        -accelerator $M1T-S \
3545        -font font_ui
3546
3547.mbar.commit add command -label Commit \
3548        -command do_commit \
3549        -accelerator $M1T-Return \
3550        -font font_ui
3551lappend disable_on_lock \
3552        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3553
3554# -- Transport menus
3555#
3556if {!$single_commit} {
3557        menu .mbar.fetch
3558        menu .mbar.pull
3559        menu .mbar.push
3560}
3561
3562if {[is_MacOSX]} {
3563        # -- Apple Menu (Mac OS X only)
3564        #
3565        .mbar add cascade -label Apple -menu .mbar.apple
3566        menu .mbar.apple
3567
3568        .mbar.apple add command -label "About [appname]" \
3569                -command do_about \
3570                -font font_ui
3571        .mbar.apple add command -label "[appname] Options..." \
3572                -command do_options \
3573                -font font_ui
3574} else {
3575        # -- Edit Menu
3576        #
3577        .mbar.edit add separator
3578        .mbar.edit add command -label {Options...} \
3579                -command do_options \
3580                -font font_ui
3581
3582        # -- Tools Menu
3583        #
3584        if {[file exists /usr/local/miga/lib/gui-miga]
3585                && [file exists .pvcsrc]} {
3586        proc do_miga {} {
3587                global ui_status_value
3588                if {![lock_index update]} return
3589                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3590                set miga_fd [open "|$cmd" r]
3591                fconfigure $miga_fd -blocking 0
3592                fileevent $miga_fd readable [list miga_done $miga_fd]
3593                set ui_status_value {Running miga...}
3594        }
3595        proc miga_done {fd} {
3596                read $fd 512
3597                if {[eof $fd]} {
3598                        close $fd
3599                        unlock_index
3600                        rescan [list set ui_status_value {Ready.}]
3601                }
3602        }
3603        .mbar add cascade -label Tools -menu .mbar.tools
3604        menu .mbar.tools
3605        .mbar.tools add command -label "Migrate" \
3606                -command do_miga \
3607                -font font_ui
3608        lappend disable_on_lock \
3609                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3610        }
3611
3612        # -- Help Menu
3613        #
3614        .mbar add cascade -label Help -menu .mbar.help
3615        menu .mbar.help
3616
3617        .mbar.help add command -label "About [appname]" \
3618                -command do_about \
3619                -font font_ui
3620}
3621
3622
3623# -- Branch Control
3624#
3625frame .branch \
3626        -borderwidth 1 \
3627        -relief sunken
3628label .branch.l1 \
3629        -text {Current Branch:} \
3630        -anchor w \
3631        -justify left \
3632        -font font_ui
3633label .branch.cb \
3634        -textvariable current_branch \
3635        -anchor w \
3636        -justify left \
3637        -font font_ui
3638pack .branch.l1 -side left
3639pack .branch.cb -side left -fill x
3640pack .branch -side top -fill x
3641
3642# -- Main Window Layout
3643#
3644panedwindow .vpane -orient vertical
3645panedwindow .vpane.files -orient horizontal
3646.vpane add .vpane.files -sticky nsew -height 100 -width 400
3647pack .vpane -anchor n -side top -fill both -expand 1
3648
3649# -- Index File List
3650#
3651frame .vpane.files.index -height 100 -width 400
3652label .vpane.files.index.title -text {Changes To Be Committed} \
3653        -background green \
3654        -font font_ui
3655text $ui_index -background white -borderwidth 0 \
3656        -width 40 -height 10 \
3657        -font font_ui \
3658        -cursor $cursor_ptr \
3659        -yscrollcommand {.vpane.files.index.sb set} \
3660        -state disabled
3661scrollbar .vpane.files.index.sb -command [list $ui_index yview]
3662pack .vpane.files.index.title -side top -fill x
3663pack .vpane.files.index.sb -side right -fill y
3664pack $ui_index -side left -fill both -expand 1
3665.vpane.files add .vpane.files.index -sticky nsew
3666
3667# -- Working Directory File List
3668#
3669frame .vpane.files.workdir -height 100 -width 100
3670label .vpane.files.workdir.title -text {Changed But Not Updated} \
3671        -background red \
3672        -font font_ui
3673text $ui_workdir -background white -borderwidth 0 \
3674        -width 40 -height 10 \
3675        -font font_ui \
3676        -cursor $cursor_ptr \
3677        -yscrollcommand {.vpane.files.workdir.sb set} \
3678        -state disabled
3679scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
3680pack .vpane.files.workdir.title -side top -fill x
3681pack .vpane.files.workdir.sb -side right -fill y
3682pack $ui_workdir -side left -fill both -expand 1
3683.vpane.files add .vpane.files.workdir -sticky nsew
3684
3685foreach i [list $ui_index $ui_workdir] {
3686        $i tag conf in_diff -font font_uibold
3687        $i tag conf in_sel \
3688                -background [$i cget -foreground] \
3689                -foreground [$i cget -background]
3690}
3691unset i
3692
3693# -- Diff and Commit Area
3694#
3695frame .vpane.lower -height 300 -width 400
3696frame .vpane.lower.commarea
3697frame .vpane.lower.diff -relief sunken -borderwidth 1
3698pack .vpane.lower.commarea -side top -fill x
3699pack .vpane.lower.diff -side bottom -fill both -expand 1
3700.vpane add .vpane.lower -stick nsew
3701
3702# -- Commit Area Buttons
3703#
3704frame .vpane.lower.commarea.buttons
3705label .vpane.lower.commarea.buttons.l -text {} \
3706        -anchor w \
3707        -justify left \
3708        -font font_ui
3709pack .vpane.lower.commarea.buttons.l -side top -fill x
3710pack .vpane.lower.commarea.buttons -side left -fill y
3711
3712button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3713        -command do_rescan \
3714        -font font_ui
3715pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3716lappend disable_on_lock \
3717        {.vpane.lower.commarea.buttons.rescan conf -state}
3718
3719button .vpane.lower.commarea.buttons.incall -text {Add All} \
3720        -command do_add_all \
3721        -font font_ui
3722pack .vpane.lower.commarea.buttons.incall -side top -fill x
3723lappend disable_on_lock \
3724        {.vpane.lower.commarea.buttons.incall conf -state}
3725
3726button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3727        -command do_signoff \
3728        -font font_ui
3729pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3730
3731button .vpane.lower.commarea.buttons.commit -text {Commit} \
3732        -command do_commit \
3733        -font font_ui
3734pack .vpane.lower.commarea.buttons.commit -side top -fill x
3735lappend disable_on_lock \
3736        {.vpane.lower.commarea.buttons.commit conf -state}
3737
3738# -- Commit Message Buffer
3739#
3740frame .vpane.lower.commarea.buffer
3741frame .vpane.lower.commarea.buffer.header
3742set ui_comm .vpane.lower.commarea.buffer.t
3743set ui_coml .vpane.lower.commarea.buffer.header.l
3744radiobutton .vpane.lower.commarea.buffer.header.new \
3745        -text {New Commit} \
3746        -command do_select_commit_type \
3747        -variable selected_commit_type \
3748        -value new \
3749        -font font_ui
3750lappend disable_on_lock \
3751        [list .vpane.lower.commarea.buffer.header.new conf -state]
3752radiobutton .vpane.lower.commarea.buffer.header.amend \
3753        -text {Amend Last Commit} \
3754        -command do_select_commit_type \
3755        -variable selected_commit_type \
3756        -value amend \
3757        -font font_ui
3758lappend disable_on_lock \
3759        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3760label $ui_coml \
3761        -anchor w \
3762        -justify left \
3763        -font font_ui
3764proc trace_commit_type {varname args} {
3765        global ui_coml commit_type
3766        switch -glob -- $commit_type {
3767        initial       {set txt {Initial Commit Message:}}
3768        amend         {set txt {Amended Commit Message:}}
3769        amend-initial {set txt {Amended Initial Commit Message:}}
3770        amend-merge   {set txt {Amended Merge Commit Message:}}
3771        merge         {set txt {Merge Commit Message:}}
3772        *             {set txt {Commit Message:}}
3773        }
3774        $ui_coml conf -text $txt
3775}
3776trace add variable commit_type write trace_commit_type
3777pack $ui_coml -side left -fill x
3778pack .vpane.lower.commarea.buffer.header.amend -side right
3779pack .vpane.lower.commarea.buffer.header.new -side right
3780
3781text $ui_comm -background white -borderwidth 1 \
3782        -undo true \
3783        -maxundo 20 \
3784        -autoseparators true \
3785        -relief sunken \
3786        -width 75 -height 9 -wrap none \
3787        -font font_diff \
3788        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3789scrollbar .vpane.lower.commarea.buffer.sby \
3790        -command [list $ui_comm yview]
3791pack .vpane.lower.commarea.buffer.header -side top -fill x
3792pack .vpane.lower.commarea.buffer.sby -side right -fill y
3793pack $ui_comm -side left -fill y
3794pack .vpane.lower.commarea.buffer -side left -fill y
3795
3796# -- Commit Message Buffer Context Menu
3797#
3798set ctxm .vpane.lower.commarea.buffer.ctxm
3799menu $ctxm -tearoff 0
3800$ctxm add command \
3801        -label {Cut} \
3802        -font font_ui \
3803        -command {tk_textCut $ui_comm}
3804$ctxm add command \
3805        -label {Copy} \
3806        -font font_ui \
3807        -command {tk_textCopy $ui_comm}
3808$ctxm add command \
3809        -label {Paste} \
3810        -font font_ui \
3811        -command {tk_textPaste $ui_comm}
3812$ctxm add command \
3813        -label {Delete} \
3814        -font font_ui \
3815        -command {$ui_comm delete sel.first sel.last}
3816$ctxm add separator
3817$ctxm add command \
3818        -label {Select All} \
3819        -font font_ui \
3820        -command {$ui_comm tag add sel 0.0 end}
3821$ctxm add command \
3822        -label {Copy All} \
3823        -font font_ui \
3824        -command {
3825                $ui_comm tag add sel 0.0 end
3826                tk_textCopy $ui_comm
3827                $ui_comm tag remove sel 0.0 end
3828        }
3829$ctxm add separator
3830$ctxm add command \
3831        -label {Sign Off} \
3832        -font font_ui \
3833        -command do_signoff
3834bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3835
3836# -- Diff Header
3837#
3838set current_diff_path {}
3839set diff_actions [list]
3840proc trace_current_diff_path {varname args} {
3841        global current_diff_path diff_actions file_states
3842        if {$current_diff_path eq {}} {
3843                set s {}
3844                set f {}
3845                set p {}
3846                set o disabled
3847        } else {
3848                set p $current_diff_path
3849                set s [mapdesc [lindex $file_states($p) 0] $p]
3850                set f {File:}
3851                set p [escape_path $p]
3852                set o normal
3853        }
3854
3855        .vpane.lower.diff.header.status configure -text $s
3856        .vpane.lower.diff.header.file configure -text $f
3857        .vpane.lower.diff.header.path configure -text $p
3858        foreach w $diff_actions {
3859                uplevel #0 $w $o
3860        }
3861}
3862trace add variable current_diff_path write trace_current_diff_path
3863
3864frame .vpane.lower.diff.header -background orange
3865label .vpane.lower.diff.header.status \
3866        -background orange \
3867        -width $max_status_desc \
3868        -anchor w \
3869        -justify left \
3870        -font font_ui
3871label .vpane.lower.diff.header.file \
3872        -background orange \
3873        -anchor w \
3874        -justify left \
3875        -font font_ui
3876label .vpane.lower.diff.header.path \
3877        -background orange \
3878        -anchor w \
3879        -justify left \
3880        -font font_ui
3881pack .vpane.lower.diff.header.status -side left
3882pack .vpane.lower.diff.header.file -side left
3883pack .vpane.lower.diff.header.path -fill x
3884set ctxm .vpane.lower.diff.header.ctxm
3885menu $ctxm -tearoff 0
3886$ctxm add command \
3887        -label {Copy} \
3888        -font font_ui \
3889        -command {
3890                clipboard clear
3891                clipboard append \
3892                        -format STRING \
3893                        -type STRING \
3894                        -- $current_diff_path
3895        }
3896lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3897bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3898
3899# -- Diff Body
3900#
3901frame .vpane.lower.diff.body
3902set ui_diff .vpane.lower.diff.body.t
3903text $ui_diff -background white -borderwidth 0 \
3904        -width 80 -height 15 -wrap none \
3905        -font font_diff \
3906        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3907        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3908        -state disabled
3909scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3910        -command [list $ui_diff xview]
3911scrollbar .vpane.lower.diff.body.sby -orient vertical \
3912        -command [list $ui_diff yview]
3913pack .vpane.lower.diff.body.sbx -side bottom -fill x
3914pack .vpane.lower.diff.body.sby -side right -fill y
3915pack $ui_diff -side left -fill both -expand 1
3916pack .vpane.lower.diff.header -side top -fill x
3917pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3918
3919$ui_diff tag conf d_@ -font font_diffbold
3920$ui_diff tag conf d_+ -foreground blue
3921$ui_diff tag conf d_- -foreground red
3922
3923$ui_diff tag conf d_++ -foreground blue
3924$ui_diff tag conf d_-- -foreground red
3925$ui_diff tag conf d_+s \
3926        -foreground blue \
3927        -background azure2
3928$ui_diff tag conf d_-s \
3929        -foreground red \
3930        -background azure2
3931$ui_diff tag conf d_s+ \
3932        -foreground blue \
3933        -background {light goldenrod yellow}
3934$ui_diff tag conf d_s- \
3935        -foreground red \
3936        -background {light goldenrod yellow}
3937
3938$ui_diff tag conf d<<<<<<< \
3939        -foreground orange \
3940        -font font_diffbold
3941$ui_diff tag conf d======= \
3942        -foreground orange \
3943        -font font_diffbold
3944$ui_diff tag conf d>>>>>>> \
3945        -foreground orange \
3946        -font font_diffbold
3947
3948# -- Diff Body Context Menu
3949#
3950set ctxm .vpane.lower.diff.body.ctxm
3951menu $ctxm -tearoff 0
3952$ctxm add command \
3953        -label {Refresh} \
3954        -font font_ui \
3955        -command reshow_diff
3956$ctxm add command \
3957        -label {Copy} \
3958        -font font_ui \
3959        -command {tk_textCopy $ui_diff}
3960lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3961$ctxm add command \
3962        -label {Select All} \
3963        -font font_ui \
3964        -command {$ui_diff tag add sel 0.0 end}
3965lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3966$ctxm add command \
3967        -label {Copy All} \
3968        -font font_ui \
3969        -command {
3970                $ui_diff tag add sel 0.0 end
3971                tk_textCopy $ui_diff
3972                $ui_diff tag remove sel 0.0 end
3973        }
3974lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3975$ctxm add separator
3976$ctxm add command \
3977        -label {Decrease Font Size} \
3978        -font font_ui \
3979        -command {incr_font_size font_diff -1}
3980lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3981$ctxm add command \
3982        -label {Increase Font Size} \
3983        -font font_ui \
3984        -command {incr_font_size font_diff 1}
3985lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3986$ctxm add separator
3987$ctxm add command \
3988        -label {Show Less Context} \
3989        -font font_ui \
3990        -command {if {$repo_config(gui.diffcontext) >= 2} {
3991                incr repo_config(gui.diffcontext) -1
3992                reshow_diff
3993        }}
3994lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3995$ctxm add command \
3996        -label {Show More Context} \
3997        -font font_ui \
3998        -command {
3999                incr repo_config(gui.diffcontext)
4000                reshow_diff
4001        }
4002lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4003$ctxm add separator
4004$ctxm add command -label {Options...} \
4005        -font font_ui \
4006        -command do_options
4007bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
4008
4009# -- Status Bar
4010#
4011set ui_status_value {Initializing...}
4012label .status -textvariable ui_status_value \
4013        -anchor w \
4014        -justify left \
4015        -borderwidth 1 \
4016        -relief sunken \
4017        -font font_ui
4018pack .status -anchor w -side bottom -fill x
4019
4020# -- Load geometry
4021#
4022catch {
4023set gm $repo_config(gui.geometry)
4024wm geometry . [lindex $gm 0]
4025.vpane sash place 0 \
4026        [lindex [.vpane sash coord 0] 0] \
4027        [lindex $gm 1]
4028.vpane.files sash place 0 \
4029        [lindex $gm 2] \
4030        [lindex [.vpane.files sash coord 0] 1]
4031unset gm
4032}
4033
4034# -- Key Bindings
4035#
4036bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4037bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4038bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4039bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4040bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4041bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4042bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4043bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4044bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4045bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4046bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4047
4048bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4049bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4050bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4051bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4052bind $ui_diff <$M1B-Key-v> {break}
4053bind $ui_diff <$M1B-Key-V> {break}
4054bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4055bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4056bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4057bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4058bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4059bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4060
4061if {!$single_commit} {
4062        bind . <$M1B-Key-n> do_create_branch
4063        bind . <$M1B-Key-N> do_create_branch
4064}
4065
4066bind .   <Destroy> do_quit
4067bind all <Key-F5> do_rescan
4068bind all <$M1B-Key-r> do_rescan
4069bind all <$M1B-Key-R> do_rescan
4070bind .   <$M1B-Key-s> do_signoff
4071bind .   <$M1B-Key-S> do_signoff
4072bind .   <$M1B-Key-i> do_add_all
4073bind .   <$M1B-Key-I> do_add_all
4074bind .   <$M1B-Key-Return> do_commit
4075bind all <$M1B-Key-q> do_quit
4076bind all <$M1B-Key-Q> do_quit
4077bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4078bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4079foreach i [list $ui_index $ui_workdir] {
4080        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4081        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4082        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4083}
4084unset i
4085
4086set file_lists($ui_index) [list]
4087set file_lists($ui_workdir) [list]
4088
4089set HEAD {}
4090set PARENT {}
4091set MERGE_HEAD [list]
4092set commit_type {}
4093set empty_tree {}
4094set current_branch {}
4095set current_diff_path {}
4096set selected_commit_type new
4097
4098wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4099focus -force $ui_comm
4100
4101# -- Warn the user about environmental problems.  Cygwin's Tcl
4102#    does *not* pass its env array onto any processes it spawns.
4103#    This means that git processes get none of our environment.
4104#
4105if {[is_Windows]} {
4106        set ignored_env 0
4107        set suggest_user {}
4108        set msg "Possible environment issues exist.
4109
4110The following environment variables are probably
4111going to be ignored by any Git subprocess run
4112by [appname]:
4113
4114"
4115        foreach name [array names env] {
4116                switch -regexp -- $name {
4117                {^GIT_INDEX_FILE$} -
4118                {^GIT_OBJECT_DIRECTORY$} -
4119                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4120                {^GIT_DIFF_OPTS$} -
4121                {^GIT_EXTERNAL_DIFF$} -
4122                {^GIT_PAGER$} -
4123                {^GIT_TRACE$} -
4124                {^GIT_CONFIG$} -
4125                {^GIT_CONFIG_LOCAL$} -
4126                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4127                        append msg " - $name\n"
4128                        incr ignored_env
4129                }
4130                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4131                        append msg " - $name\n"
4132                        incr ignored_env
4133                        set suggest_user $name
4134                }
4135                }
4136        }
4137        if {$ignored_env > 0} {
4138                append msg "
4139This is due to a known issue with the
4140Tcl binary distributed by Cygwin."
4141
4142                if {$suggest_user ne {}} {
4143                        append msg "
4144
4145A good replacement for $suggest_user
4146is placing values for the user.name and
4147user.email settings into your personal
4148~/.gitconfig file.
4149"
4150                }
4151                warn_popup $msg
4152        }
4153        unset ignored_env msg suggest_user name
4154}
4155
4156# -- Only initialize complex UI if we are going to stay running.
4157#
4158if {!$single_commit} {
4159        load_all_remotes
4160        load_all_heads
4161
4162        populate_branch_menu
4163        populate_fetch_menu .mbar.fetch
4164        populate_pull_menu .mbar.pull
4165        populate_push_menu .mbar.push
4166}
4167
4168# -- Only suggest a gc run if we are going to stay running.
4169#
4170if {!$single_commit} {
4171        set object_limit 2000
4172        if {[is_Windows]} {set object_limit 200}
4173        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4174        if {$objects_current >= $object_limit} {
4175                if {[ask_popup \
4176                        "This repository currently has $objects_current loose objects.
4177
4178To maintain optimal performance it is strongly
4179recommended that you compress the database
4180when more than $object_limit loose objects exist.
4181
4182Compress the database now?"] eq yes} {
4183                        do_gc
4184                }
4185        }
4186        unset object_limit _junk objects_current
4187}
4188
4189lock_index begin-read
4190after 1 do_rescan