git-gui.shon commit git-gui: Always start a rescan on an empty diff. (124355d)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GIT_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _reponame {}
  30
  31proc appname {} {
  32        global _appname
  33        return $_appname
  34}
  35
  36proc gitdir {args} {
  37        global _gitdir
  38        if {$args eq {}} {
  39                return $_gitdir
  40        }
  41        return [eval [concat [list file join $_gitdir] $args]]
  42}
  43
  44proc reponame {} {
  45        global _reponame
  46        return $_reponame
  47}
  48
  49######################################################################
  50##
  51## config
  52
  53proc is_many_config {name} {
  54        switch -glob -- $name {
  55        remote.*.fetch -
  56        remote.*.push
  57                {return 1}
  58        *
  59                {return 0}
  60        }
  61}
  62
  63proc load_config {include_global} {
  64        global repo_config global_config default_config
  65
  66        array unset global_config
  67        if {$include_global} {
  68                catch {
  69                        set fd_rc [open "| git repo-config --global --list" r]
  70                        while {[gets $fd_rc line] >= 0} {
  71                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  72                                        if {[is_many_config $name]} {
  73                                                lappend global_config($name) $value
  74                                        } else {
  75                                                set global_config($name) $value
  76                                        }
  77                                }
  78                        }
  79                        close $fd_rc
  80                }
  81        }
  82
  83        array unset repo_config
  84        catch {
  85                set fd_rc [open "| git repo-config --list" r]
  86                while {[gets $fd_rc line] >= 0} {
  87                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  88                                if {[is_many_config $name]} {
  89                                        lappend repo_config($name) $value
  90                                } else {
  91                                        set repo_config($name) $value
  92                                }
  93                        }
  94                }
  95                close $fd_rc
  96        }
  97
  98        foreach name [array names default_config] {
  99                if {[catch {set v $global_config($name)}]} {
 100                        set global_config($name) $default_config($name)
 101                }
 102                if {[catch {set v $repo_config($name)}]} {
 103                        set repo_config($name) $default_config($name)
 104                }
 105        }
 106}
 107
 108proc save_config {} {
 109        global default_config font_descs
 110        global repo_config global_config
 111        global repo_config_new global_config_new
 112
 113        foreach option $font_descs {
 114                set name [lindex $option 0]
 115                set font [lindex $option 1]
 116                font configure $font \
 117                        -family $global_config_new(gui.$font^^family) \
 118                        -size $global_config_new(gui.$font^^size)
 119                font configure ${font}bold \
 120                        -family $global_config_new(gui.$font^^family) \
 121                        -size $global_config_new(gui.$font^^size)
 122                set global_config_new(gui.$name) [font configure $font]
 123                unset global_config_new(gui.$font^^family)
 124                unset global_config_new(gui.$font^^size)
 125        }
 126
 127        foreach name [array names default_config] {
 128                set value $global_config_new($name)
 129                if {$value ne $global_config($name)} {
 130                        if {$value eq $default_config($name)} {
 131                                catch {exec git repo-config --global --unset $name}
 132                        } else {
 133                                regsub -all "\[{}\]" $value {"} value
 134                                exec git repo-config --global $name $value
 135                        }
 136                        set global_config($name) $value
 137                        if {$value eq $repo_config($name)} {
 138                                catch {exec git repo-config --unset $name}
 139                                set repo_config($name) $value
 140                        }
 141                }
 142        }
 143
 144        foreach name [array names default_config] {
 145                set value $repo_config_new($name)
 146                if {$value ne $repo_config($name)} {
 147                        if {$value eq $global_config($name)} {
 148                                catch {exec git repo-config --unset $name}
 149                        } else {
 150                                regsub -all "\[{}\]" $value {"} value
 151                                exec git repo-config $name $value
 152                        }
 153                        set repo_config($name) $value
 154                }
 155        }
 156}
 157
 158proc error_popup {msg} {
 159        set title [appname]
 160        if {[reponame] ne {}} {
 161                append title " ([reponame])"
 162        }
 163        set cmd [list tk_messageBox \
 164                -icon error \
 165                -type ok \
 166                -title "$title: error" \
 167                -message $msg]
 168        if {[winfo ismapped .]} {
 169                lappend cmd -parent .
 170        }
 171        eval $cmd
 172}
 173
 174proc warn_popup {msg} {
 175        set title [appname]
 176        if {[reponame] ne {}} {
 177                append title " ([reponame])"
 178        }
 179        set cmd [list tk_messageBox \
 180                -icon warning \
 181                -type ok \
 182                -title "$title: warning" \
 183                -message $msg]
 184        if {[winfo ismapped .]} {
 185                lappend cmd -parent .
 186        }
 187        eval $cmd
 188}
 189
 190proc info_popup {msg} {
 191        set title [appname]
 192        if {[reponame] ne {}} {
 193                append title " ([reponame])"
 194        }
 195        tk_messageBox \
 196                -parent . \
 197                -icon info \
 198                -type ok \
 199                -title $title \
 200                -message $msg
 201}
 202
 203proc ask_popup {msg} {
 204        set title [appname]
 205        if {[reponame] ne {}} {
 206                append title " ([reponame])"
 207        }
 208        return [tk_messageBox \
 209                -parent . \
 210                -icon question \
 211                -type yesno \
 212                -title $title \
 213                -message $msg]
 214}
 215
 216######################################################################
 217##
 218## repository setup
 219
 220if {   [catch {set _gitdir $env(GIT_DIR)}]
 221        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 222        catch {wm withdraw .}
 223        error_popup "Cannot find the git directory:\n\n$err"
 224        exit 1
 225}
 226if {![file isdirectory $_gitdir]} {
 227        catch {wm withdraw .}
 228        error_popup "Git directory not found:\n\n$_gitdir"
 229        exit 1
 230}
 231if {[lindex [file split $_gitdir] end] ne {.git}} {
 232        catch {wm withdraw .}
 233        error_popup "Cannot use funny .git directory:\n\n$gitdir"
 234        exit 1
 235}
 236if {[catch {cd [file dirname $_gitdir]} err]} {
 237        catch {wm withdraw .}
 238        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 239        exit 1
 240}
 241set _reponame [lindex [file split \
 242        [file normalize [file dirname $_gitdir]]] \
 243        end]
 244
 245set single_commit 0
 246if {[appname] eq {git-citool}} {
 247        set single_commit 1
 248}
 249
 250######################################################################
 251##
 252## task management
 253
 254set rescan_active 0
 255set diff_active 0
 256set last_clicked {}
 257
 258set disable_on_lock [list]
 259set index_lock_type none
 260
 261proc lock_index {type} {
 262        global index_lock_type disable_on_lock
 263
 264        if {$index_lock_type eq {none}} {
 265                set index_lock_type $type
 266                foreach w $disable_on_lock {
 267                        uplevel #0 $w disabled
 268                }
 269                return 1
 270        } elseif {$index_lock_type eq "begin-$type"} {
 271                set index_lock_type $type
 272                return 1
 273        }
 274        return 0
 275}
 276
 277proc unlock_index {} {
 278        global index_lock_type disable_on_lock
 279
 280        set index_lock_type none
 281        foreach w $disable_on_lock {
 282                uplevel #0 $w normal
 283        }
 284}
 285
 286######################################################################
 287##
 288## status
 289
 290proc repository_state {ctvar hdvar mhvar} {
 291        global current_branch
 292        upvar $ctvar ct $hdvar hd $mhvar mh
 293
 294        set mh [list]
 295
 296        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 297                set current_branch {}
 298        } else {
 299                regsub ^refs/((heads|tags|remotes)/)? \
 300                        $current_branch \
 301                        {} \
 302                        current_branch
 303        }
 304
 305        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 306                set hd {}
 307                set ct initial
 308                return
 309        }
 310
 311        set merge_head [gitdir MERGE_HEAD]
 312        if {[file exists $merge_head]} {
 313                set ct merge
 314                set fd_mh [open $merge_head r]
 315                while {[gets $fd_mh line] >= 0} {
 316                        lappend mh $line
 317                }
 318                close $fd_mh
 319                return
 320        }
 321
 322        set ct normal
 323}
 324
 325proc PARENT {} {
 326        global PARENT empty_tree
 327
 328        set p [lindex $PARENT 0]
 329        if {$p ne {}} {
 330                return $p
 331        }
 332        if {$empty_tree eq {}} {
 333                set empty_tree [exec git mktree << {}]
 334        }
 335        return $empty_tree
 336}
 337
 338proc rescan {after {honor_trustmtime 1}} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$rescan_active > 0 || ![lock_index read]} return
 345
 346        repository_state newType newHEAD newMERGE_HEAD
 347        if {[string match amend* $commit_type]
 348                && $newType eq {normal}
 349                && $newHEAD eq $HEAD} {
 350        } else {
 351                set HEAD $newHEAD
 352                set PARENT $newHEAD
 353                set MERGE_HEAD $newMERGE_HEAD
 354                set commit_type $newType
 355        }
 356
 357        array unset file_states
 358
 359        if {![$ui_comm edit modified]
 360                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                if {[load_message GITGUI_MSG]} {
 362                } elseif {[load_message MERGE_MSG]} {
 363                } elseif {[load_message SQUASH_MSG]} {
 364                }
 365                $ui_comm edit reset
 366                $ui_comm edit modified false
 367        }
 368
 369        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
 370                rescan_stage2 {} $after
 371        } else {
 372                set rescan_active 1
 373                set ui_status_value {Refreshing file status...}
 374                set cmd [list git update-index]
 375                lappend cmd -q
 376                lappend cmd --unmerged
 377                lappend cmd --ignore-missing
 378                lappend cmd --refresh
 379                set fd_rf [open "| $cmd" r]
 380                fconfigure $fd_rf -blocking 0 -translation binary
 381                fileevent $fd_rf readable \
 382                        [list rescan_stage2 $fd_rf $after]
 383        }
 384}
 385
 386proc rescan_stage2 {fd after} {
 387        global ui_status_value
 388        global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390        if {$fd ne {}} {
 391                read $fd
 392                if {![eof $fd]} return
 393                close $fd
 394        }
 395
 396        set ls_others [list | git ls-files --others -z \
 397                --exclude-per-directory=.gitignore]
 398        set info_exclude [gitdir info exclude]
 399        if {[file readable $info_exclude]} {
 400                lappend ls_others "--exclude-from=$info_exclude"
 401        }
 402
 403        set buf_rdi {}
 404        set buf_rdf {}
 405        set buf_rlo {}
 406
 407        set rescan_active 3
 408        set ui_status_value {Scanning for modified files ...}
 409        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410        set fd_df [open "| git diff-files -z" r]
 411        set fd_lo [open $ls_others r]
 412
 413        fconfigure $fd_di -blocking 0 -translation binary
 414        fconfigure $fd_df -blocking 0 -translation binary
 415        fconfigure $fd_lo -blocking 0 -translation binary
 416        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 417        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 418        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 419}
 420
 421proc load_message {file} {
 422        global ui_comm
 423
 424        set f [gitdir $file]
 425        if {[file isfile $f]} {
 426                if {[catch {set fd [open $f r]}]} {
 427                        return 0
 428                }
 429                set content [string trim [read $fd]]
 430                close $fd
 431                $ui_comm delete 0.0 end
 432                $ui_comm insert end $content
 433                return 1
 434        }
 435        return 0
 436}
 437
 438proc read_diff_index {fd after} {
 439        global buf_rdi
 440
 441        append buf_rdi [read $fd]
 442        set c 0
 443        set n [string length $buf_rdi]
 444        while {$c < $n} {
 445                set z1 [string first "\0" $buf_rdi $c]
 446                if {$z1 == -1} break
 447                incr z1
 448                set z2 [string first "\0" $buf_rdi $z1]
 449                if {$z2 == -1} break
 450
 451                incr c
 452                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 453                merge_state \
 454                        [string range $buf_rdi $z1 [expr {$z2 - 1}]] \
 455                        [lindex $i 4]? \
 456                        [list [lindex $i 0] [lindex $i 2]] \
 457                        [list]
 458                set c $z2
 459                incr c
 460        }
 461        if {$c < $n} {
 462                set buf_rdi [string range $buf_rdi $c end]
 463        } else {
 464                set buf_rdi {}
 465        }
 466
 467        rescan_done $fd buf_rdi $after
 468}
 469
 470proc read_diff_files {fd after} {
 471        global buf_rdf
 472
 473        append buf_rdf [read $fd]
 474        set c 0
 475        set n [string length $buf_rdf]
 476        while {$c < $n} {
 477                set z1 [string first "\0" $buf_rdf $c]
 478                if {$z1 == -1} break
 479                incr z1
 480                set z2 [string first "\0" $buf_rdf $z1]
 481                if {$z2 == -1} break
 482
 483                incr c
 484                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 485                merge_state \
 486                        [string range $buf_rdf $z1 [expr {$z2 - 1}]] \
 487                        ?[lindex $i 4] \
 488                        [list] \
 489                        [list [lindex $i 0] [lindex $i 2]]
 490                set c $z2
 491                incr c
 492        }
 493        if {$c < $n} {
 494                set buf_rdf [string range $buf_rdf $c end]
 495        } else {
 496                set buf_rdf {}
 497        }
 498
 499        rescan_done $fd buf_rdf $after
 500}
 501
 502proc read_ls_others {fd after} {
 503        global buf_rlo
 504
 505        append buf_rlo [read $fd]
 506        set pck [split $buf_rlo "\0"]
 507        set buf_rlo [lindex $pck end]
 508        foreach p [lrange $pck 0 end-1] {
 509                merge_state $p ?O
 510        }
 511        rescan_done $fd buf_rlo $after
 512}
 513
 514proc rescan_done {fd buf after} {
 515        global rescan_active
 516        global file_states repo_config
 517        upvar $buf to_clear
 518
 519        if {![eof $fd]} return
 520        set to_clear {}
 521        close $fd
 522        if {[incr rescan_active -1] > 0} return
 523
 524        prune_selection
 525        unlock_index
 526        display_all_files
 527        reshow_diff
 528        uplevel #0 $after
 529}
 530
 531proc prune_selection {} {
 532        global file_states selected_paths
 533
 534        foreach path [array names selected_paths] {
 535                if {[catch {set still_here $file_states($path)}]} {
 536                        unset selected_paths($path)
 537                }
 538        }
 539}
 540
 541######################################################################
 542##
 543## diff
 544
 545proc clear_diff {} {
 546        global ui_diff current_diff_path ui_index ui_workdir
 547
 548        $ui_diff conf -state normal
 549        $ui_diff delete 0.0 end
 550        $ui_diff conf -state disabled
 551
 552        set current_diff_path {}
 553
 554        $ui_index tag remove in_diff 0.0 end
 555        $ui_workdir tag remove in_diff 0.0 end
 556}
 557
 558proc reshow_diff {} {
 559        global ui_status_value file_states file_lists
 560        global current_diff_path current_diff_side
 561
 562        set p $current_diff_path
 563        if {$p eq {}
 564                || $current_diff_side eq {}
 565                || [catch {set s $file_states($p)}]
 566                || [lsearch -sorted $file_lists($current_diff_side) $p] == -1} {
 567                clear_diff
 568        } else {
 569                show_diff $p $current_diff_side
 570        }
 571}
 572
 573proc handle_empty_diff {} {
 574        global current_diff_path file_states file_lists
 575
 576        set path $current_diff_path
 577        set s $file_states($path)
 578        if {[lindex $s 0] ne {_M}} return
 579
 580        info_popup "No differences detected.
 581
 582[short_path $path] has no changes.
 583
 584The modification date of this file was updated
 585by another application, but the content within
 586the file was not changed.
 587
 588A rescan will be automatically started to find
 589other files which may have the same state."
 590
 591        clear_diff
 592        display_file $path __
 593        rescan {set ui_status_value {Ready.}} 0
 594}
 595
 596proc show_diff {path w {lno {}}} {
 597        global file_states file_lists
 598        global is_3way_diff diff_active repo_config
 599        global ui_diff ui_status_value ui_index ui_workdir
 600        global current_diff_path current_diff_side
 601
 602        if {$diff_active || ![lock_index read]} return
 603
 604        clear_diff
 605        if {$w eq {} || $lno == {}} {
 606                foreach w [array names file_lists] {
 607                        set lno [lsearch -sorted $file_lists($w) $path]
 608                        if {$lno >= 0} {
 609                                incr lno
 610                                break
 611                        }
 612                }
 613        }
 614        if {$w ne {} && $lno >= 1} {
 615                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 616        }
 617
 618        set s $file_states($path)
 619        set m [lindex $s 0]
 620        set is_3way_diff 0
 621        set diff_active 1
 622        set current_diff_path $path
 623        set current_diff_side $w
 624        set ui_status_value "Loading diff of [escape_path $path]..."
 625
 626        # - Git won't give us the diff, there's nothing to compare to!
 627        #
 628        if {$m eq {_O}} {
 629                if {[catch {
 630                                set fd [open $path r]
 631                                set content [read $fd]
 632                                close $fd
 633                        } err ]} {
 634                        set diff_active 0
 635                        unlock_index
 636                        set ui_status_value "Unable to display [escape_path $path]"
 637                        error_popup "Error loading file:\n\n$err"
 638                        return
 639                }
 640                $ui_diff conf -state normal
 641                $ui_diff insert end $content
 642                $ui_diff conf -state disabled
 643                set diff_active 0
 644                unlock_index
 645                set ui_status_value {Ready.}
 646                return
 647        }
 648
 649        set cmd [list | git]
 650        if {$w eq $ui_index} {
 651                lappend cmd diff-index
 652                lappend cmd --cached
 653        } elseif {$w eq $ui_workdir} {
 654                if {[string index $m 0] eq {U}} {
 655                        lappend cmd diff
 656                } else {
 657                        lappend cmd diff-files
 658                }
 659        }
 660
 661        lappend cmd -p
 662        lappend cmd --no-color
 663        if {$repo_config(gui.diffcontext) > 0} {
 664                lappend cmd "-U$repo_config(gui.diffcontext)"
 665        }
 666        if {$w eq $ui_index} {
 667                lappend cmd [PARENT]
 668        }
 669        lappend cmd --
 670        lappend cmd $path
 671
 672        if {[catch {set fd [open $cmd r]} err]} {
 673                set diff_active 0
 674                unlock_index
 675                set ui_status_value "Unable to display [escape_path $path]"
 676                error_popup "Error loading diff:\n\n$err"
 677                return
 678        }
 679
 680        fconfigure $fd -blocking 0 -translation auto
 681        fileevent $fd readable [list read_diff $fd]
 682}
 683
 684proc read_diff {fd} {
 685        global ui_diff ui_status_value is_3way_diff diff_active
 686
 687        $ui_diff conf -state normal
 688        while {[gets $fd line] >= 0} {
 689                # -- Cleanup uninteresting diff header lines.
 690                #
 691                if {[string match {diff --git *}      $line]} continue
 692                if {[string match {diff --cc *}       $line]} continue
 693                if {[string match {diff --combined *} $line]} continue
 694                if {[string match {--- *}             $line]} continue
 695                if {[string match {+++ *}             $line]} continue
 696                if {$line eq {deleted file mode 120000}} {
 697                        set line "deleted symlink"
 698                }
 699
 700                # -- Automatically detect if this is a 3 way diff.
 701                #
 702                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 703
 704                if {[string match {index *} $line]
 705                        || [string match {mode *} $line]
 706                        || [string match {new file *} $line]
 707                        || [string match {deleted file *} $line]
 708                        || $line eq {\ No newline at end of file}
 709                        || [regexp {^\* Unmerged path } $line]} {
 710                        set tags {}
 711                } elseif {$is_3way_diff} {
 712                        set op [string range $line 0 1]
 713                        switch -- $op {
 714                        {  } {set tags {}}
 715                        {@@} {set tags d_@}
 716                        { +} {set tags d_s+}
 717                        { -} {set tags d_s-}
 718                        {+ } {set tags d_+s}
 719                        {- } {set tags d_-s}
 720                        {--} {set tags d_--}
 721                        {++} {
 722                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 723                                        set line [string replace $line 0 1 {  }]
 724                                        set tags d$op
 725                                } else {
 726                                        set tags d_++
 727                                }
 728                        }
 729                        default {
 730                                puts "error: Unhandled 3 way diff marker: {$op}"
 731                                set tags {}
 732                        }
 733                        }
 734                } else {
 735                        set op [string index $line 0]
 736                        switch -- $op {
 737                        { } {set tags {}}
 738                        {@} {set tags d_@}
 739                        {-} {set tags d_-}
 740                        {+} {
 741                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 742                                        set line [string replace $line 0 0 { }]
 743                                        set tags d$op
 744                                } else {
 745                                        set tags d_+
 746                                }
 747                        }
 748                        default {
 749                                puts "error: Unhandled 2 way diff marker: {$op}"
 750                                set tags {}
 751                        }
 752                        }
 753                }
 754                $ui_diff insert end $line $tags
 755                $ui_diff insert end "\n" $tags
 756        }
 757        $ui_diff conf -state disabled
 758
 759        if {[eof $fd]} {
 760                close $fd
 761                set diff_active 0
 762                unlock_index
 763                set ui_status_value {Ready.}
 764
 765                if {[$ui_diff index end] eq {2.0}} {
 766                        handle_empty_diff
 767                }
 768        }
 769}
 770
 771######################################################################
 772##
 773## commit
 774
 775proc load_last_commit {} {
 776        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 777
 778        if {[llength $PARENT] == 0} {
 779                error_popup {There is nothing to amend.
 780
 781You are about to create the initial commit.
 782There is no commit before this to amend.
 783}
 784                return
 785        }
 786
 787        repository_state curType curHEAD curMERGE_HEAD
 788        if {$curType eq {merge}} {
 789                error_popup {Cannot amend while merging.
 790
 791You are currently in the middle of a merge that
 792has not been fully completed.  You cannot amend
 793the prior commit unless you first abort the
 794current merge activity.
 795}
 796                return
 797        }
 798
 799        set msg {}
 800        set parents [list]
 801        if {[catch {
 802                        set fd [open "| git cat-file commit $curHEAD" r]
 803                        while {[gets $fd line] > 0} {
 804                                if {[string match {parent *} $line]} {
 805                                        lappend parents [string range $line 7 end]
 806                                }
 807                        }
 808                        set msg [string trim [read $fd]]
 809                        close $fd
 810                } err]} {
 811                error_popup "Error loading commit data for amend:\n\n$err"
 812                return
 813        }
 814
 815        set HEAD $curHEAD
 816        set PARENT $parents
 817        set MERGE_HEAD [list]
 818        switch -- [llength $parents] {
 819        0       {set commit_type amend-initial}
 820        1       {set commit_type amend}
 821        default {set commit_type amend-merge}
 822        }
 823
 824        $ui_comm delete 0.0 end
 825        $ui_comm insert end $msg
 826        $ui_comm edit reset
 827        $ui_comm edit modified false
 828        rescan {set ui_status_value {Ready.}}
 829}
 830
 831proc create_new_commit {} {
 832        global commit_type ui_comm
 833
 834        set commit_type normal
 835        $ui_comm delete 0.0 end
 836        $ui_comm edit reset
 837        $ui_comm edit modified false
 838        rescan {set ui_status_value {Ready.}}
 839}
 840
 841set GIT_COMMITTER_IDENT {}
 842
 843proc committer_ident {} {
 844        global GIT_COMMITTER_IDENT
 845
 846        if {$GIT_COMMITTER_IDENT eq {}} {
 847                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 848                        error_popup "Unable to obtain your identity:\n\n$err"
 849                        return {}
 850                }
 851                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 852                        $me me GIT_COMMITTER_IDENT]} {
 853                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 854                        return {}
 855                }
 856        }
 857
 858        return $GIT_COMMITTER_IDENT
 859}
 860
 861proc commit_tree {} {
 862        global HEAD commit_type file_states ui_comm repo_config
 863        global ui_status_value pch_error
 864
 865        if {![lock_index update]} return
 866        if {[committer_ident] eq {}} return
 867
 868        # -- Our in memory state should match the repository.
 869        #
 870        repository_state curType curHEAD curMERGE_HEAD
 871        if {[string match amend* $commit_type]
 872                && $curType eq {normal}
 873                && $curHEAD eq $HEAD} {
 874        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 875                info_popup {Last scanned state does not match repository state.
 876
 877Another Git program has modified this repository
 878since the last scan.  A rescan must be performed
 879before another commit can be created.
 880
 881The rescan will be automatically started now.
 882}
 883                unlock_index
 884                rescan {set ui_status_value {Ready.}}
 885                return
 886        }
 887
 888        # -- At least one file should differ in the index.
 889        #
 890        set files_ready 0
 891        foreach path [array names file_states] {
 892                switch -glob -- [lindex $file_states($path) 0] {
 893                _? {continue}
 894                A? -
 895                D? -
 896                M? {set files_ready 1}
 897                U? {
 898                        error_popup "Unmerged files cannot be committed.
 899
 900File [short_path $path] has merge conflicts.
 901You must resolve them and add the file before committing.
 902"
 903                        unlock_index
 904                        return
 905                }
 906                default {
 907                        error_popup "Unknown file state [lindex $s 0] detected.
 908
 909File [short_path $path] cannot be committed by this program.
 910"
 911                }
 912                }
 913        }
 914        if {!$files_ready} {
 915                info_popup {No changes to commit.
 916
 917You must add at least 1 file before you can commit.
 918}
 919                unlock_index
 920                return
 921        }
 922
 923        # -- A message is required.
 924        #
 925        set msg [string trim [$ui_comm get 1.0 end]]
 926        if {$msg eq {}} {
 927                error_popup {Please supply a commit message.
 928
 929A good commit message has the following format:
 930
 931- First line: Describe in one sentance what you did.
 932- Second line: Blank
 933- Remaining lines: Describe why this change is good.
 934}
 935                unlock_index
 936                return
 937        }
 938
 939        # -- Run the pre-commit hook.
 940        #
 941        set pchook [gitdir hooks pre-commit]
 942
 943        # On Cygwin [file executable] might lie so we need to ask
 944        # the shell if the hook is executable.  Yes that's annoying.
 945        #
 946        if {[is_Windows] && [file isfile $pchook]} {
 947                set pchook [list sh -c [concat \
 948                        "if test -x \"$pchook\";" \
 949                        "then exec \"$pchook\" 2>&1;" \
 950                        "fi"]]
 951        } elseif {[file executable $pchook]} {
 952                set pchook [list $pchook |& cat]
 953        } else {
 954                commit_writetree $curHEAD $msg
 955                return
 956        }
 957
 958        set ui_status_value {Calling pre-commit hook...}
 959        set pch_error {}
 960        set fd_ph [open "| $pchook" r]
 961        fconfigure $fd_ph -blocking 0 -translation binary
 962        fileevent $fd_ph readable \
 963                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 964}
 965
 966proc commit_prehook_wait {fd_ph curHEAD msg} {
 967        global pch_error ui_status_value
 968
 969        append pch_error [read $fd_ph]
 970        fconfigure $fd_ph -blocking 1
 971        if {[eof $fd_ph]} {
 972                if {[catch {close $fd_ph}]} {
 973                        set ui_status_value {Commit declined by pre-commit hook.}
 974                        hook_failed_popup pre-commit $pch_error
 975                        unlock_index
 976                } else {
 977                        commit_writetree $curHEAD $msg
 978                }
 979                set pch_error {}
 980                return
 981        }
 982        fconfigure $fd_ph -blocking 0
 983}
 984
 985proc commit_writetree {curHEAD msg} {
 986        global ui_status_value
 987
 988        set ui_status_value {Committing changes...}
 989        set fd_wt [open "| git write-tree" r]
 990        fileevent $fd_wt readable \
 991                [list commit_committree $fd_wt $curHEAD $msg]
 992}
 993
 994proc commit_committree {fd_wt curHEAD msg} {
 995        global HEAD PARENT MERGE_HEAD commit_type
 996        global single_commit all_heads current_branch
 997        global ui_status_value ui_comm selected_commit_type
 998        global file_states selected_paths rescan_active
 999
1000        gets $fd_wt tree_id
1001        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1002                error_popup "write-tree failed:\n\n$err"
1003                set ui_status_value {Commit failed.}
1004                unlock_index
1005                return
1006        }
1007
1008        # -- Create the commit.
1009        #
1010        set cmd [list git commit-tree $tree_id]
1011        set parents [concat $PARENT $MERGE_HEAD]
1012        if {[llength $parents] > 0} {
1013                foreach p $parents {
1014                        lappend cmd -p $p
1015                }
1016        } else {
1017                # git commit-tree writes to stderr during initial commit.
1018                lappend cmd 2>/dev/null
1019        }
1020        lappend cmd << $msg
1021        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1022                error_popup "commit-tree failed:\n\n$err"
1023                set ui_status_value {Commit failed.}
1024                unlock_index
1025                return
1026        }
1027
1028        # -- Update the HEAD ref.
1029        #
1030        set reflogm commit
1031        if {$commit_type ne {normal}} {
1032                append reflogm " ($commit_type)"
1033        }
1034        set i [string first "\n" $msg]
1035        if {$i >= 0} {
1036                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1037        } else {
1038                append reflogm {: } $msg
1039        }
1040        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1041        if {[catch {eval exec $cmd} err]} {
1042                error_popup "update-ref failed:\n\n$err"
1043                set ui_status_value {Commit failed.}
1044                unlock_index
1045                return
1046        }
1047
1048        # -- Make sure our current branch exists.
1049        #
1050        if {$commit_type eq {initial}} {
1051                lappend all_heads $current_branch
1052                set all_heads [lsort -unique $all_heads]
1053                populate_branch_menu
1054        }
1055
1056        # -- Cleanup after ourselves.
1057        #
1058        catch {file delete [gitdir MERGE_HEAD]}
1059        catch {file delete [gitdir MERGE_MSG]}
1060        catch {file delete [gitdir SQUASH_MSG]}
1061        catch {file delete [gitdir GITGUI_MSG]}
1062
1063        # -- Let rerere do its thing.
1064        #
1065        if {[file isdirectory [gitdir rr-cache]]} {
1066                catch {exec git rerere}
1067        }
1068
1069        # -- Run the post-commit hook.
1070        #
1071        set pchook [gitdir hooks post-commit]
1072        if {[is_Windows] && [file isfile $pchook]} {
1073                set pchook [list sh -c [concat \
1074                        "if test -x \"$pchook\";" \
1075                        "then exec \"$pchook\";" \
1076                        "fi"]]
1077        } elseif {![file executable $pchook]} {
1078                set pchook {}
1079        }
1080        if {$pchook ne {}} {
1081                catch {exec $pchook &}
1082        }
1083
1084        $ui_comm delete 0.0 end
1085        $ui_comm edit reset
1086        $ui_comm edit modified false
1087
1088        if {$single_commit} do_quit
1089
1090        # -- Update in memory status
1091        #
1092        set selected_commit_type new
1093        set commit_type normal
1094        set HEAD $cmt_id
1095        set PARENT $cmt_id
1096        set MERGE_HEAD [list]
1097
1098        foreach path [array names file_states] {
1099                set s $file_states($path)
1100                set m [lindex $s 0]
1101                switch -glob -- $m {
1102                _O -
1103                _M -
1104                _D {continue}
1105                __ -
1106                A_ -
1107                M_ -
1108                D_ {
1109                        unset file_states($path)
1110                        catch {unset selected_paths($path)}
1111                }
1112                DO {
1113                        set file_states($path) [list _O [lindex $s 1] {} {}]
1114                }
1115                AM -
1116                AD -
1117                MM -
1118                MD {
1119                        set file_states($path) [list \
1120                                _[string index $m 1] \
1121                                [lindex $s 1] \
1122                                [lindex $s 3] \
1123                                {}]
1124                }
1125                }
1126        }
1127
1128        display_all_files
1129        unlock_index
1130        reshow_diff
1131        set ui_status_value \
1132                "Changes committed as [string range $cmt_id 0 7]."
1133}
1134
1135######################################################################
1136##
1137## fetch pull push
1138
1139proc fetch_from {remote} {
1140        set w [new_console "fetch $remote" \
1141                "Fetching new changes from $remote"]
1142        set cmd [list git fetch]
1143        lappend cmd $remote
1144        console_exec $w $cmd
1145}
1146
1147proc pull_remote {remote branch} {
1148        global HEAD commit_type file_states repo_config
1149
1150        if {![lock_index update]} return
1151
1152        # -- Our in memory state should match the repository.
1153        #
1154        repository_state curType curHEAD curMERGE_HEAD
1155        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1156                info_popup {Last scanned state does not match repository state.
1157
1158Another Git program has modified this repository
1159since the last scan.  A rescan must be performed
1160before a pull operation can be started.
1161
1162The rescan will be automatically started now.
1163}
1164                unlock_index
1165                rescan {set ui_status_value {Ready.}}
1166                return
1167        }
1168
1169        # -- No differences should exist before a pull.
1170        #
1171        if {[array size file_states] != 0} {
1172                error_popup {Uncommitted but modified files are present.
1173
1174You should not perform a pull with unmodified
1175files in your working directory as Git will be
1176unable to recover from an incorrect merge.
1177
1178You should commit or revert all changes before
1179starting a pull operation.
1180}
1181                unlock_index
1182                return
1183        }
1184
1185        set w [new_console "pull $remote $branch" \
1186                "Pulling new changes from branch $branch in $remote"]
1187        set cmd [list git pull]
1188        if {$repo_config(gui.pullsummary) eq {false}} {
1189                lappend cmd --no-summary
1190        }
1191        lappend cmd $remote
1192        lappend cmd $branch
1193        console_exec $w $cmd [list post_pull_remote $remote $branch]
1194}
1195
1196proc post_pull_remote {remote branch success} {
1197        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1198        global ui_status_value
1199
1200        unlock_index
1201        if {$success} {
1202                repository_state commit_type HEAD MERGE_HEAD
1203                set PARENT $HEAD
1204                set selected_commit_type new
1205                set ui_status_value "Pulling $branch from $remote complete."
1206        } else {
1207                rescan [list set ui_status_value \
1208                        "Conflicts detected while pulling $branch from $remote."]
1209        }
1210}
1211
1212proc push_to {remote} {
1213        set w [new_console "push $remote" \
1214                "Pushing changes to $remote"]
1215        set cmd [list git push]
1216        lappend cmd $remote
1217        console_exec $w $cmd
1218}
1219
1220######################################################################
1221##
1222## ui helpers
1223
1224proc mapicon {w state path} {
1225        global all_icons
1226
1227        if {[catch {set r $all_icons($state$w)}]} {
1228                puts "error: no icon for $w state={$state} $path"
1229                return file_plain
1230        }
1231        return $r
1232}
1233
1234proc mapdesc {state path} {
1235        global all_descs
1236
1237        if {[catch {set r $all_descs($state)}]} {
1238                puts "error: no desc for state={$state} $path"
1239                return $state
1240        }
1241        return $r
1242}
1243
1244proc escape_path {path} {
1245        regsub -all "\n" $path "\\n" path
1246        return $path
1247}
1248
1249proc short_path {path} {
1250        return [escape_path [lindex [file split $path] end]]
1251}
1252
1253set next_icon_id 0
1254set null_sha1 [string repeat 0 40]
1255
1256proc merge_state {path new_state {head_info {}} {index_info {}}} {
1257        global file_states next_icon_id null_sha1
1258
1259        set s0 [string index $new_state 0]
1260        set s1 [string index $new_state 1]
1261
1262        if {[catch {set info $file_states($path)}]} {
1263                set state __
1264                set icon n[incr next_icon_id]
1265        } else {
1266                set state [lindex $info 0]
1267                set icon [lindex $info 1]
1268                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1269                if {$index_info eq {}} {set index_info [lindex $info 3]}
1270        }
1271
1272        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1273        elseif {$s0 eq {_}} {set s0 _}
1274
1275        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1276        elseif {$s1 eq {_}} {set s1 _}
1277
1278        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1279                set head_info [list 0 $null_sha1]
1280        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1281                && $head_info eq {}} {
1282                set head_info $index_info
1283        }
1284
1285        set file_states($path) [list $s0$s1 $icon \
1286                $head_info $index_info \
1287                ]
1288        return $state
1289}
1290
1291proc display_file_helper {w path icon_name old_m new_m} {
1292        global file_lists
1293
1294        if {$new_m eq {_}} {
1295                set lno [lsearch -sorted $file_lists($w) $path]
1296                if {$lno >= 0} {
1297                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1298                        incr lno
1299                        $w conf -state normal
1300                        $w delete $lno.0 [expr {$lno + 1}].0
1301                        $w conf -state disabled
1302                }
1303        } elseif {$old_m eq {_} && $new_m ne {_}} {
1304                lappend file_lists($w) $path
1305                set file_lists($w) [lsort -unique $file_lists($w)]
1306                set lno [lsearch -sorted $file_lists($w) $path]
1307                incr lno
1308                $w conf -state normal
1309                $w image create $lno.0 \
1310                        -align center -padx 5 -pady 1 \
1311                        -name $icon_name \
1312                        -image [mapicon $w $new_m $path]
1313                $w insert $lno.1 "[escape_path $path]\n"
1314                $w conf -state disabled
1315        } elseif {$old_m ne $new_m} {
1316                $w conf -state normal
1317                $w image conf $icon_name -image [mapicon $w $new_m $path]
1318                $w conf -state disabled
1319        }
1320}
1321
1322proc display_file {path state} {
1323        global file_states selected_paths
1324        global ui_index ui_workdir
1325
1326        set old_m [merge_state $path $state]
1327        set s $file_states($path)
1328        set new_m [lindex $s 0]
1329        set icon_name [lindex $s 1]
1330
1331        set o [string index $old_m 0]
1332        set n [string index $new_m 0]
1333        if {$o eq {U}} {
1334                set o _
1335        }
1336        if {$n eq {U}} {
1337                set n _
1338        }
1339        display_file_helper     $ui_index $path $icon_name $o $n
1340
1341        if {[string index $old_m 0] eq {U}} {
1342                set o U
1343        } else {
1344                set o [string index $old_m 1]
1345        }
1346        if {[string index $new_m 0] eq {U}} {
1347                set n U
1348        } else {
1349                set n [string index $new_m 1]
1350        }
1351        display_file_helper     $ui_workdir $path $icon_name $o $n
1352
1353        if {$new_m eq {__}} {
1354                unset file_states($path)
1355                catch {unset selected_paths($path)}
1356        }
1357}
1358
1359proc display_all_files_helper {w path icon_name m} {
1360        global file_lists
1361
1362        lappend file_lists($w) $path
1363        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1364        $w image create end \
1365                -align center -padx 5 -pady 1 \
1366                -name $icon_name \
1367                -image [mapicon $w $m $path]
1368        $w insert end "[escape_path $path]\n"
1369}
1370
1371proc display_all_files {} {
1372        global ui_index ui_workdir
1373        global file_states file_lists
1374        global last_clicked
1375
1376        $ui_index conf -state normal
1377        $ui_workdir conf -state normal
1378
1379        $ui_index delete 0.0 end
1380        $ui_workdir delete 0.0 end
1381        set last_clicked {}
1382
1383        set file_lists($ui_index) [list]
1384        set file_lists($ui_workdir) [list]
1385
1386        foreach path [lsort [array names file_states]] {
1387                set s $file_states($path)
1388                set m [lindex $s 0]
1389                set icon_name [lindex $s 1]
1390
1391                set s [string index $m 0]
1392                if {$s ne {U} && $s ne {_}} {
1393                        display_all_files_helper $ui_index $path \
1394                                $icon_name $s
1395                }
1396
1397                if {[string index $m 0] eq {U}} {
1398                        set s U
1399                } else {
1400                        set s [string index $m 1]
1401                }
1402                if {$s ne {_}} {
1403                        display_all_files_helper $ui_workdir $path \
1404                                $icon_name $s
1405                }
1406        }
1407
1408        $ui_index conf -state disabled
1409        $ui_workdir conf -state disabled
1410}
1411
1412proc update_indexinfo {msg pathList after} {
1413        global update_index_cp ui_status_value
1414
1415        if {![lock_index update]} return
1416
1417        set update_index_cp 0
1418        set pathList [lsort $pathList]
1419        set totalCnt [llength $pathList]
1420        set batch [expr {int($totalCnt * .01) + 1}]
1421        if {$batch > 25} {set batch 25}
1422
1423        set ui_status_value [format \
1424                "$msg... %i/%i files (%.2f%%)" \
1425                $update_index_cp \
1426                $totalCnt \
1427                0.0]
1428        set fd [open "| git update-index -z --index-info" w]
1429        fconfigure $fd \
1430                -blocking 0 \
1431                -buffering full \
1432                -buffersize 512 \
1433                -translation binary
1434        fileevent $fd writable [list \
1435                write_update_indexinfo \
1436                $fd \
1437                $pathList \
1438                $totalCnt \
1439                $batch \
1440                $msg \
1441                $after \
1442                ]
1443}
1444
1445proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1446        global update_index_cp ui_status_value
1447        global file_states current_diff_path
1448
1449        if {$update_index_cp >= $totalCnt} {
1450                close $fd
1451                unlock_index
1452                uplevel #0 $after
1453                return
1454        }
1455
1456        for {set i $batch} \
1457                {$update_index_cp < $totalCnt && $i > 0} \
1458                {incr i -1} {
1459                set path [lindex $pathList $update_index_cp]
1460                incr update_index_cp
1461
1462                set s $file_states($path)
1463                switch -glob -- [lindex $s 0] {
1464                A? {set new _O}
1465                M? {set new _M}
1466                D_ {set new _D}
1467                D? {set new _?}
1468                ?? {continue}
1469                }
1470                set info [lindex $s 2]
1471                if {$info eq {}} continue
1472
1473                puts -nonewline $fd "$info\t$path\0"
1474                display_file $path $new
1475        }
1476
1477        set ui_status_value [format \
1478                "$msg... %i/%i files (%.2f%%)" \
1479                $update_index_cp \
1480                $totalCnt \
1481                [expr {100.0 * $update_index_cp / $totalCnt}]]
1482}
1483
1484proc update_index {msg pathList after} {
1485        global update_index_cp ui_status_value
1486
1487        if {![lock_index update]} return
1488
1489        set update_index_cp 0
1490        set pathList [lsort $pathList]
1491        set totalCnt [llength $pathList]
1492        set batch [expr {int($totalCnt * .01) + 1}]
1493        if {$batch > 25} {set batch 25}
1494
1495        set ui_status_value [format \
1496                "$msg... %i/%i files (%.2f%%)" \
1497                $update_index_cp \
1498                $totalCnt \
1499                0.0]
1500        set fd [open "| git update-index --add --remove -z --stdin" w]
1501        fconfigure $fd \
1502                -blocking 0 \
1503                -buffering full \
1504                -buffersize 512 \
1505                -translation binary
1506        fileevent $fd writable [list \
1507                write_update_index \
1508                $fd \
1509                $pathList \
1510                $totalCnt \
1511                $batch \
1512                $msg \
1513                $after \
1514                ]
1515}
1516
1517proc write_update_index {fd pathList totalCnt batch msg after} {
1518        global update_index_cp ui_status_value
1519        global file_states current_diff_path
1520
1521        if {$update_index_cp >= $totalCnt} {
1522                close $fd
1523                unlock_index
1524                uplevel #0 $after
1525                return
1526        }
1527
1528        for {set i $batch} \
1529                {$update_index_cp < $totalCnt && $i > 0} \
1530                {incr i -1} {
1531                set path [lindex $pathList $update_index_cp]
1532                incr update_index_cp
1533
1534                switch -glob -- [lindex $file_states($path) 0] {
1535                AD {set new __}
1536                ?D {set new D_}
1537                _O -
1538                AM {set new A_}
1539                U? {
1540                        if {[file exists $path]} {
1541                                set new M_
1542                        } else {
1543                                set new D_
1544                        }
1545                }
1546                ?M {set new M_}
1547                ?? {continue}
1548                }
1549                puts -nonewline $fd "$path\0"
1550                display_file $path $new
1551        }
1552
1553        set ui_status_value [format \
1554                "$msg... %i/%i files (%.2f%%)" \
1555                $update_index_cp \
1556                $totalCnt \
1557                [expr {100.0 * $update_index_cp / $totalCnt}]]
1558}
1559
1560proc checkout_index {msg pathList after} {
1561        global update_index_cp ui_status_value
1562
1563        if {![lock_index update]} return
1564
1565        set update_index_cp 0
1566        set pathList [lsort $pathList]
1567        set totalCnt [llength $pathList]
1568        set batch [expr {int($totalCnt * .01) + 1}]
1569        if {$batch > 25} {set batch 25}
1570
1571        set ui_status_value [format \
1572                "$msg... %i/%i files (%.2f%%)" \
1573                $update_index_cp \
1574                $totalCnt \
1575                0.0]
1576        set cmd [list git checkout-index]
1577        lappend cmd --index
1578        lappend cmd --quiet
1579        lappend cmd --force
1580        lappend cmd -z
1581        lappend cmd --stdin
1582        set fd [open "| $cmd " w]
1583        fconfigure $fd \
1584                -blocking 0 \
1585                -buffering full \
1586                -buffersize 512 \
1587                -translation binary
1588        fileevent $fd writable [list \
1589                write_checkout_index \
1590                $fd \
1591                $pathList \
1592                $totalCnt \
1593                $batch \
1594                $msg \
1595                $after \
1596                ]
1597}
1598
1599proc write_checkout_index {fd pathList totalCnt batch msg after} {
1600        global update_index_cp ui_status_value
1601        global file_states current_diff_path
1602
1603        if {$update_index_cp >= $totalCnt} {
1604                close $fd
1605                unlock_index
1606                uplevel #0 $after
1607                return
1608        }
1609
1610        for {set i $batch} \
1611                {$update_index_cp < $totalCnt && $i > 0} \
1612                {incr i -1} {
1613                set path [lindex $pathList $update_index_cp]
1614                incr update_index_cp
1615                switch -glob -- [lindex $file_states($path) 0] {
1616                U? {continue}
1617                ?M -
1618                ?D {
1619                        puts -nonewline $fd "$path\0"
1620                        display_file $path ?_
1621                }
1622                }
1623        }
1624
1625        set ui_status_value [format \
1626                "$msg... %i/%i files (%.2f%%)" \
1627                $update_index_cp \
1628                $totalCnt \
1629                [expr {100.0 * $update_index_cp / $totalCnt}]]
1630}
1631
1632######################################################################
1633##
1634## branch management
1635
1636proc is_tracking_branch {name} {
1637        global tracking_branches
1638
1639        if {![catch {set info $tracking_branches($name)}]} {
1640                return 1
1641        }
1642        foreach t [array names tracking_branches] {
1643                if {[string match {*/\*} $t] && [string match $t $name]} {
1644                        return 1
1645                }
1646        }
1647        return 0
1648}
1649
1650proc load_all_heads {} {
1651        global all_heads
1652
1653        set all_heads [list]
1654        set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
1655        while {[gets $fd line] > 0} {
1656                if {[is_tracking_branch $line]} continue
1657                if {![regsub ^refs/heads/ $line {} name]} continue
1658                lappend all_heads $name
1659        }
1660        close $fd
1661
1662        set all_heads [lsort $all_heads]
1663}
1664
1665proc populate_branch_menu {} {
1666        global all_heads disable_on_lock
1667
1668        set m .mbar.branch
1669        set last [$m index last]
1670        for {set i 0} {$i <= $last} {incr i} {
1671                if {[$m type $i] eq {separator}} {
1672                        $m delete $i last
1673                        set new_dol [list]
1674                        foreach a $disable_on_lock {
1675                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1676                                        lappend new_dol $a
1677                                }
1678                        }
1679                        set disable_on_lock $new_dol
1680                        break
1681                }
1682        }
1683
1684        $m add separator
1685        foreach b $all_heads {
1686                $m add radiobutton \
1687                        -label $b \
1688                        -command [list switch_branch $b] \
1689                        -variable current_branch \
1690                        -value $b \
1691                        -font font_ui
1692                lappend disable_on_lock \
1693                        [list $m entryconf [$m index last] -state]
1694        }
1695}
1696
1697proc all_tracking_branches {} {
1698        global tracking_branches
1699
1700        set all_trackings {}
1701        set cmd {}
1702        foreach name [array names tracking_branches] {
1703                if {[regsub {/\*$} $name {} name]} {
1704                        lappend cmd $name
1705                } else {
1706                        regsub ^refs/(heads|remotes)/ $name {} name
1707                        lappend all_trackings $name
1708                }
1709        }
1710
1711        if {$cmd ne {}} {
1712                set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
1713                while {[gets $fd name] > 0} {
1714                        regsub ^refs/(heads|remotes)/ $name {} name
1715                        lappend all_trackings $name
1716                }
1717                close $fd
1718        }
1719
1720        return [lsort -unique $all_trackings]
1721}
1722
1723proc do_create_branch_action {w} {
1724        global all_heads null_sha1 repo_config
1725        global create_branch_checkout create_branch_revtype
1726        global create_branch_head create_branch_trackinghead
1727
1728        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1729        if {$newbranch eq {}
1730                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
1731                tk_messageBox \
1732                        -icon error \
1733                        -type ok \
1734                        -title [wm title $w] \
1735                        -parent $w \
1736                        -message "Please supply a branch name."
1737                focus $w.desc.name_t
1738                return
1739        }
1740        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1741                tk_messageBox \
1742                        -icon error \
1743                        -type ok \
1744                        -title [wm title $w] \
1745                        -parent $w \
1746                        -message "Branch '$newbranch' already exists."
1747                focus $w.desc.name_t
1748                return
1749        }
1750        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1751                tk_messageBox \
1752                        -icon error \
1753                        -type ok \
1754                        -title [wm title $w] \
1755                        -parent $w \
1756                        -message "We do not like '$newbranch' as a branch name."
1757                focus $w.desc.name_t
1758                return
1759        }
1760
1761        set rev {}
1762        switch -- $create_branch_revtype {
1763        head {set rev $create_branch_head}
1764        tracking {set rev $create_branch_trackinghead}
1765        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1766        }
1767        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1768                tk_messageBox \
1769                        -icon error \
1770                        -type ok \
1771                        -title [wm title $w] \
1772                        -parent $w \
1773                        -message "Invalid starting revision: $rev"
1774                return
1775        }
1776        set cmd [list git update-ref]
1777        lappend cmd -m
1778        lappend cmd "branch: Created from $rev"
1779        lappend cmd "refs/heads/$newbranch"
1780        lappend cmd $cmt
1781        lappend cmd $null_sha1
1782        if {[catch {eval exec $cmd} err]} {
1783                tk_messageBox \
1784                        -icon error \
1785                        -type ok \
1786                        -title [wm title $w] \
1787                        -parent $w \
1788                        -message "Failed to create '$newbranch'.\n\n$err"
1789                return
1790        }
1791
1792        lappend all_heads $newbranch
1793        set all_heads [lsort $all_heads]
1794        populate_branch_menu
1795        destroy $w
1796        if {$create_branch_checkout} {
1797                switch_branch $newbranch
1798        }
1799}
1800
1801proc radio_selector {varname value args} {
1802        upvar #0 $varname var
1803        set var $value
1804}
1805
1806trace add variable create_branch_head write \
1807        [list radio_selector create_branch_revtype head]
1808trace add variable create_branch_trackinghead write \
1809        [list radio_selector create_branch_revtype tracking]
1810
1811trace add variable delete_branch_head write \
1812        [list radio_selector delete_branch_checktype head]
1813trace add variable delete_branch_trackinghead write \
1814        [list radio_selector delete_branch_checktype tracking]
1815
1816proc do_create_branch {} {
1817        global all_heads current_branch repo_config
1818        global create_branch_checkout create_branch_revtype
1819        global create_branch_head create_branch_trackinghead
1820
1821        set w .branch_editor
1822        toplevel $w
1823        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1824
1825        label $w.header -text {Create New Branch} \
1826                -font font_uibold
1827        pack $w.header -side top -fill x
1828
1829        frame $w.buttons
1830        button $w.buttons.create -text Create \
1831                -font font_ui \
1832                -default active \
1833                -command [list do_create_branch_action $w]
1834        pack $w.buttons.create -side right
1835        button $w.buttons.cancel -text {Cancel} \
1836                -font font_ui \
1837                -command [list destroy $w]
1838        pack $w.buttons.cancel -side right -padx 5
1839        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1840
1841        labelframe $w.desc \
1842                -text {Branch Description} \
1843                -font font_ui
1844        label $w.desc.name_l -text {Name:} -font font_ui
1845        text $w.desc.name_t \
1846                -borderwidth 1 \
1847                -relief sunken \
1848                -height 1 \
1849                -width 40 \
1850                -font font_ui
1851        $w.desc.name_t insert 0.0 $repo_config(gui.newbranchtemplate)
1852        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1853        bind $w.desc.name_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
1854        bind $w.desc.name_t <Key-Tab> {focus [tk_focusNext %W];break}
1855        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1856        bind $w.desc.name_t <Key> {
1857                if {{%K} ne {BackSpace}
1858                        && {%K} ne {Tab}
1859                        && {%K} ne {Escape}
1860                        && {%K} ne {Return}} {
1861                        if {%k <= 32} break
1862                        if {[string first %A {~^:?*[}] >= 0} break
1863                }
1864        }
1865        grid columnconfigure $w.desc 1 -weight 1
1866        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1867
1868        labelframe $w.from \
1869                -text {Starting Revision} \
1870                -font font_ui
1871        radiobutton $w.from.head_r \
1872                -text {Local Branch:} \
1873                -value head \
1874                -variable create_branch_revtype \
1875                -font font_ui
1876        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1877        grid $w.from.head_r $w.from.head_m -sticky w
1878        set all_trackings [all_tracking_branches]
1879        if {$all_trackings ne {}} {
1880                set create_branch_trackinghead [lindex $all_trackings 0]
1881                radiobutton $w.from.tracking_r \
1882                        -text {Tracking Branch:} \
1883                        -value tracking \
1884                        -variable create_branch_revtype \
1885                        -font font_ui
1886                eval tk_optionMenu $w.from.tracking_m \
1887                        create_branch_trackinghead \
1888                        $all_trackings
1889                grid $w.from.tracking_r $w.from.tracking_m -sticky w
1890        }
1891        radiobutton $w.from.exp_r \
1892                -text {Revision Expression:} \
1893                -value expression \
1894                -variable create_branch_revtype \
1895                -font font_ui
1896        text $w.from.exp_t \
1897                -borderwidth 1 \
1898                -relief sunken \
1899                -height 1 \
1900                -width 50 \
1901                -font font_ui
1902        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1903        bind $w.from.exp_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
1904        bind $w.from.exp_t <Key-Tab> {focus [tk_focusNext %W];break}
1905        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1906        bind $w.from.exp_t <Key-space> break
1907        bind $w.from.exp_t <Key> {set create_branch_revtype expression}
1908        grid columnconfigure $w.from 1 -weight 1
1909        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1910
1911        labelframe $w.postActions \
1912                -text {Post Creation Actions} \
1913                -font font_ui
1914        checkbutton $w.postActions.checkout \
1915                -text {Checkout after creation} \
1916                -variable create_branch_checkout \
1917                -font font_ui
1918        pack $w.postActions.checkout -anchor nw
1919        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1920
1921        set create_branch_checkout 1
1922        set create_branch_head $current_branch
1923        set create_branch_revtype head
1924
1925        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1926        bind $w <Key-Escape> "destroy $w"
1927        bind $w <Key-Return> "do_create_branch_action $w;break"
1928        wm title $w "[appname] ([reponame]): Create Branch"
1929        tkwait window $w
1930}
1931
1932proc do_delete_branch_action {w} {
1933        global all_heads
1934        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1935
1936        set check_rev {}
1937        switch -- $delete_branch_checktype {
1938        head {set check_rev $delete_branch_head}
1939        tracking {set check_rev $delete_branch_trackinghead}
1940        always {set check_rev {:none}}
1941        }
1942        if {$check_rev eq {:none}} {
1943                set check_cmt {}
1944        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
1945                tk_messageBox \
1946                        -icon error \
1947                        -type ok \
1948                        -title [wm title $w] \
1949                        -parent $w \
1950                        -message "Invalid check revision: $check_rev"
1951                return
1952        }
1953
1954        set to_delete [list]
1955        set not_merged [list]
1956        foreach i [$w.list.l curselection] {
1957                set b [$w.list.l get $i]
1958                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1959                if {$check_cmt ne {}} {
1960                        if {$b eq $check_rev} continue
1961                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
1962                        if {$o ne $m} {
1963                                lappend not_merged $b
1964                                continue
1965                        }
1966                }
1967                lappend to_delete [list $b $o]
1968        }
1969        if {$not_merged ne {}} {
1970                set msg "The following branches are not completely merged into $check_rev:
1971
1972 - [join $not_merged "\n - "]"
1973                tk_messageBox \
1974                        -icon info \
1975                        -type ok \
1976                        -title [wm title $w] \
1977                        -parent $w \
1978                        -message $msg
1979        }
1980        if {$to_delete eq {}} return
1981        if {$delete_branch_checktype eq {always}} {
1982                set msg {Recovering deleted branches is difficult.
1983
1984Delete the selected branches?}
1985                if {[tk_messageBox \
1986                        -icon warning \
1987                        -type yesno \
1988                        -title [wm title $w] \
1989                        -parent $w \
1990                        -message $msg] ne yes} {
1991                        return
1992                }
1993        }
1994
1995        set failed {}
1996        foreach i $to_delete {
1997                set b [lindex $i 0]
1998                set o [lindex $i 1]
1999                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
2000                        append failed " - $b: $err\n"
2001                } else {
2002                        set x [lsearch -sorted $all_heads $b]
2003                        if {$x >= 0} {
2004                                set all_heads [lreplace $all_heads $x $x]
2005                        }
2006                }
2007        }
2008
2009        if {$failed ne {}} {
2010                tk_messageBox \
2011                        -icon error \
2012                        -type ok \
2013                        -title [wm title $w] \
2014                        -parent $w \
2015                        -message "Failed to delete branches:\n$failed"
2016        }
2017
2018        set all_heads [lsort $all_heads]
2019        populate_branch_menu
2020        destroy $w
2021}
2022
2023proc do_delete_branch {} {
2024        global all_heads tracking_branches current_branch
2025        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2026
2027        set w .branch_editor
2028        toplevel $w
2029        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2030
2031        label $w.header -text {Delete Local Branch} \
2032                -font font_uibold
2033        pack $w.header -side top -fill x
2034
2035        frame $w.buttons
2036        button $w.buttons.create -text Delete \
2037                -font font_ui \
2038                -command [list do_delete_branch_action $w]
2039        pack $w.buttons.create -side right
2040        button $w.buttons.cancel -text {Cancel} \
2041                -font font_ui \
2042                -command [list destroy $w]
2043        pack $w.buttons.cancel -side right -padx 5
2044        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2045
2046        labelframe $w.list \
2047                -text {Local Branches} \
2048                -font font_ui
2049        listbox $w.list.l \
2050                -height 10 \
2051                -width 50 \
2052                -selectmode extended \
2053                -font font_ui
2054        foreach h $all_heads {
2055                if {$h ne $current_branch} {
2056                        $w.list.l insert end $h
2057                }
2058        }
2059        pack $w.list.l -fill both -pady 5 -padx 5
2060        pack $w.list -fill both -pady 5 -padx 5
2061
2062        labelframe $w.validate \
2063                -text {Delete Only If} \
2064                -font font_ui
2065        radiobutton $w.validate.head_r \
2066                -text {Merged Into Local Branch:} \
2067                -value head \
2068                -variable delete_branch_checktype \
2069                -font font_ui
2070        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2071        grid $w.validate.head_r $w.validate.head_m -sticky w
2072        set all_trackings [all_tracking_branches]
2073        if {$all_trackings ne {}} {
2074                set delete_branch_trackinghead [lindex $all_trackings 0]
2075                radiobutton $w.validate.tracking_r \
2076                        -text {Merged Into Tracking Branch:} \
2077                        -value tracking \
2078                        -variable delete_branch_checktype \
2079                        -font font_ui
2080                eval tk_optionMenu $w.validate.tracking_m \
2081                        delete_branch_trackinghead \
2082                        $all_trackings
2083                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2084        }
2085        radiobutton $w.validate.always_r \
2086                -text {Always (Do not perform merge checks)} \
2087                -value always \
2088                -variable delete_branch_checktype \
2089                -font font_ui
2090        grid $w.validate.always_r -columnspan 2 -sticky w
2091        grid columnconfigure $w.validate 1 -weight 1
2092        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2093
2094        set delete_branch_head $current_branch
2095        set delete_branch_checktype head
2096
2097        bind $w <Visibility> "grab $w; focus $w"
2098        bind $w <Key-Escape> "destroy $w"
2099        wm title $w "[appname] ([reponame]): Delete Branch"
2100        tkwait window $w
2101}
2102
2103proc switch_branch {b} {
2104        global HEAD commit_type file_states current_branch
2105        global selected_commit_type ui_comm
2106
2107        if {![lock_index switch]} return
2108
2109        # -- Backup the selected branch (repository_state resets it)
2110        #
2111        set new_branch $current_branch
2112
2113        # -- Our in memory state should match the repository.
2114        #
2115        repository_state curType curHEAD curMERGE_HEAD
2116        if {[string match amend* $commit_type]
2117                && $curType eq {normal}
2118                && $curHEAD eq $HEAD} {
2119        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2120                info_popup {Last scanned state does not match repository state.
2121
2122Another Git program has modified this repository
2123since the last scan.  A rescan must be performed
2124before the current branch can be changed.
2125
2126The rescan will be automatically started now.
2127}
2128                unlock_index
2129                rescan {set ui_status_value {Ready.}}
2130                return
2131        }
2132
2133        # -- Toss the message buffer if we are in amend mode.
2134        #
2135        if {[string match amend* $curType]} {
2136                $ui_comm delete 0.0 end
2137                $ui_comm edit reset
2138                $ui_comm edit modified false
2139        }
2140
2141        set selected_commit_type new
2142        set current_branch $new_branch
2143
2144        unlock_index
2145        error "NOT FINISHED"
2146}
2147
2148######################################################################
2149##
2150## remote management
2151
2152proc load_all_remotes {} {
2153        global repo_config
2154        global all_remotes tracking_branches
2155
2156        set all_remotes [list]
2157        array unset tracking_branches
2158
2159        set rm_dir [gitdir remotes]
2160        if {[file isdirectory $rm_dir]} {
2161                set all_remotes [glob \
2162                        -types f \
2163                        -tails \
2164                        -nocomplain \
2165                        -directory $rm_dir *]
2166
2167                foreach name $all_remotes {
2168                        catch {
2169                                set fd [open [file join $rm_dir $name] r]
2170                                while {[gets $fd line] >= 0} {
2171                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2172                                                $line line src dst]} continue
2173                                        if {![regexp ^refs/ $dst]} {
2174                                                set dst "refs/heads/$dst"
2175                                        }
2176                                        set tracking_branches($dst) [list $name $src]
2177                                }
2178                                close $fd
2179                        }
2180                }
2181        }
2182
2183        foreach line [array names repo_config remote.*.url] {
2184                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2185                lappend all_remotes $name
2186
2187                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2188                        set fl {}
2189                }
2190                foreach line $fl {
2191                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2192                        if {![regexp ^refs/ $dst]} {
2193                                set dst "refs/heads/$dst"
2194                        }
2195                        set tracking_branches($dst) [list $name $src]
2196                }
2197        }
2198
2199        set all_remotes [lsort -unique $all_remotes]
2200}
2201
2202proc populate_fetch_menu {m} {
2203        global all_remotes repo_config
2204
2205        foreach r $all_remotes {
2206                set enable 0
2207                if {![catch {set a $repo_config(remote.$r.url)}]} {
2208                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2209                                set enable 1
2210                        }
2211                } else {
2212                        catch {
2213                                set fd [open [gitdir remotes $r] r]
2214                                while {[gets $fd n] >= 0} {
2215                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2216                                                set enable 1
2217                                                break
2218                                        }
2219                                }
2220                                close $fd
2221                        }
2222                }
2223
2224                if {$enable} {
2225                        $m add command \
2226                                -label "Fetch from $r..." \
2227                                -command [list fetch_from $r] \
2228                                -font font_ui
2229                }
2230        }
2231}
2232
2233proc populate_push_menu {m} {
2234        global all_remotes repo_config
2235
2236        foreach r $all_remotes {
2237                set enable 0
2238                if {![catch {set a $repo_config(remote.$r.url)}]} {
2239                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2240                                set enable 1
2241                        }
2242                } else {
2243                        catch {
2244                                set fd [open [gitdir remotes $r] r]
2245                                while {[gets $fd n] >= 0} {
2246                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2247                                                set enable 1
2248                                                break
2249                                        }
2250                                }
2251                                close $fd
2252                        }
2253                }
2254
2255                if {$enable} {
2256                        $m add command \
2257                                -label "Push to $r..." \
2258                                -command [list push_to $r] \
2259                                -font font_ui
2260                }
2261        }
2262}
2263
2264proc populate_pull_menu {m} {
2265        global repo_config all_remotes disable_on_lock
2266
2267        foreach remote $all_remotes {
2268                set rb_list [list]
2269                if {[array get repo_config remote.$remote.url] ne {}} {
2270                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2271                                foreach line $repo_config(remote.$remote.fetch) {
2272                                        if {[regexp {^([^:]+):} $line line rb]} {
2273                                                lappend rb_list $rb
2274                                        }
2275                                }
2276                        }
2277                } else {
2278                        catch {
2279                                set fd [open [gitdir remotes $remote] r]
2280                                while {[gets $fd line] >= 0} {
2281                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2282                                                lappend rb_list $rb
2283                                        }
2284                                }
2285                                close $fd
2286                        }
2287                }
2288
2289                foreach rb $rb_list {
2290                        regsub ^refs/heads/ $rb {} rb_short
2291                        $m add command \
2292                                -label "Branch $rb_short from $remote..." \
2293                                -command [list pull_remote $remote $rb] \
2294                                -font font_ui
2295                        lappend disable_on_lock \
2296                                [list $m entryconf [$m index last] -state]
2297                }
2298        }
2299}
2300
2301######################################################################
2302##
2303## icons
2304
2305set filemask {
2306#define mask_width 14
2307#define mask_height 15
2308static unsigned char mask_bits[] = {
2309   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2310   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2311   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2312}
2313
2314image create bitmap file_plain -background white -foreground black -data {
2315#define plain_width 14
2316#define plain_height 15
2317static unsigned char plain_bits[] = {
2318   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2319   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2320   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2321} -maskdata $filemask
2322
2323image create bitmap file_mod -background white -foreground blue -data {
2324#define mod_width 14
2325#define mod_height 15
2326static unsigned char mod_bits[] = {
2327   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2328   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2329   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2330} -maskdata $filemask
2331
2332image create bitmap file_fulltick -background white -foreground "#007000" -data {
2333#define file_fulltick_width 14
2334#define file_fulltick_height 15
2335static unsigned char file_fulltick_bits[] = {
2336   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2337   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2338   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2339} -maskdata $filemask
2340
2341image create bitmap file_parttick -background white -foreground "#005050" -data {
2342#define parttick_width 14
2343#define parttick_height 15
2344static unsigned char parttick_bits[] = {
2345   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2346   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2347   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2348} -maskdata $filemask
2349
2350image create bitmap file_question -background white -foreground black -data {
2351#define file_question_width 14
2352#define file_question_height 15
2353static unsigned char file_question_bits[] = {
2354   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2355   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2356   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2357} -maskdata $filemask
2358
2359image create bitmap file_removed -background white -foreground red -data {
2360#define file_removed_width 14
2361#define file_removed_height 15
2362static unsigned char file_removed_bits[] = {
2363   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2364   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2365   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2366} -maskdata $filemask
2367
2368image create bitmap file_merge -background white -foreground blue -data {
2369#define file_merge_width 14
2370#define file_merge_height 15
2371static unsigned char file_merge_bits[] = {
2372   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2373   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2374   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2375} -maskdata $filemask
2376
2377set ui_index .vpane.files.index.list
2378set ui_workdir .vpane.files.workdir.list
2379
2380set all_icons(_$ui_index)   file_plain
2381set all_icons(A$ui_index)   file_fulltick
2382set all_icons(M$ui_index)   file_fulltick
2383set all_icons(D$ui_index)   file_removed
2384set all_icons(U$ui_index)   file_merge
2385
2386set all_icons(_$ui_workdir) file_plain
2387set all_icons(M$ui_workdir) file_mod
2388set all_icons(D$ui_workdir) file_question
2389set all_icons(U$ui_workdir) file_merge
2390set all_icons(O$ui_workdir) file_plain
2391
2392set max_status_desc 0
2393foreach i {
2394                {__ "Unmodified"}
2395
2396                {_M "Modified, not staged"}
2397                {M_ "Staged for commit"}
2398                {MM "Portions staged for commit"}
2399                {MD "Staged for commit, missing"}
2400
2401                {_O "Untracked, not staged"}
2402                {A_ "Staged for commit"}
2403                {AM "Portions staged for commit"}
2404                {AD "Staged for commit, missing"}
2405
2406                {_D "Missing"}
2407                {D_ "Staged for removal"}
2408                {DO "Staged for removal, still present"}
2409
2410                {U_ "Requires merge resolution"}
2411                {UU "Requires merge resolution"}
2412                {UM "Requires merge resolution"}
2413                {UD "Requires merge resolution"}
2414        } {
2415        if {$max_status_desc < [string length [lindex $i 1]]} {
2416                set max_status_desc [string length [lindex $i 1]]
2417        }
2418        set all_descs([lindex $i 0]) [lindex $i 1]
2419}
2420unset i
2421
2422######################################################################
2423##
2424## util
2425
2426proc is_MacOSX {} {
2427        global tcl_platform tk_library
2428        if {[tk windowingsystem] eq {aqua}} {
2429                return 1
2430        }
2431        return 0
2432}
2433
2434proc is_Windows {} {
2435        global tcl_platform
2436        if {$tcl_platform(platform) eq {windows}} {
2437                return 1
2438        }
2439        return 0
2440}
2441
2442proc bind_button3 {w cmd} {
2443        bind $w <Any-Button-3> $cmd
2444        if {[is_MacOSX]} {
2445                bind $w <Control-Button-1> $cmd
2446        }
2447}
2448
2449proc incr_font_size {font {amt 1}} {
2450        set sz [font configure $font -size]
2451        incr sz $amt
2452        font configure $font -size $sz
2453        font configure ${font}bold -size $sz
2454}
2455
2456proc hook_failed_popup {hook msg} {
2457        set w .hookfail
2458        toplevel $w
2459
2460        frame $w.m
2461        label $w.m.l1 -text "$hook hook failed:" \
2462                -anchor w \
2463                -justify left \
2464                -font font_uibold
2465        text $w.m.t \
2466                -background white -borderwidth 1 \
2467                -relief sunken \
2468                -width 80 -height 10 \
2469                -font font_diff \
2470                -yscrollcommand [list $w.m.sby set]
2471        label $w.m.l2 \
2472                -text {You must correct the above errors before committing.} \
2473                -anchor w \
2474                -justify left \
2475                -font font_uibold
2476        scrollbar $w.m.sby -command [list $w.m.t yview]
2477        pack $w.m.l1 -side top -fill x
2478        pack $w.m.l2 -side bottom -fill x
2479        pack $w.m.sby -side right -fill y
2480        pack $w.m.t -side left -fill both -expand 1
2481        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2482
2483        $w.m.t insert 1.0 $msg
2484        $w.m.t conf -state disabled
2485
2486        button $w.ok -text OK \
2487                -width 15 \
2488                -font font_ui \
2489                -command "destroy $w"
2490        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2491
2492        bind $w <Visibility> "grab $w; focus $w"
2493        bind $w <Key-Return> "destroy $w"
2494        wm title $w "[appname] ([reponame]): error"
2495        tkwait window $w
2496}
2497
2498set next_console_id 0
2499
2500proc new_console {short_title long_title} {
2501        global next_console_id console_data
2502        set w .console[incr next_console_id]
2503        set console_data($w) [list $short_title $long_title]
2504        return [console_init $w]
2505}
2506
2507proc console_init {w} {
2508        global console_cr console_data M1B
2509
2510        set console_cr($w) 1.0
2511        toplevel $w
2512        frame $w.m
2513        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2514                -anchor w \
2515                -justify left \
2516                -font font_uibold
2517        text $w.m.t \
2518                -background white -borderwidth 1 \
2519                -relief sunken \
2520                -width 80 -height 10 \
2521                -font font_diff \
2522                -state disabled \
2523                -yscrollcommand [list $w.m.sby set]
2524        label $w.m.s -text {Working... please wait...} \
2525                -anchor w \
2526                -justify left \
2527                -font font_uibold
2528        scrollbar $w.m.sby -command [list $w.m.t yview]
2529        pack $w.m.l1 -side top -fill x
2530        pack $w.m.s -side bottom -fill x
2531        pack $w.m.sby -side right -fill y
2532        pack $w.m.t -side left -fill both -expand 1
2533        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2534
2535        menu $w.ctxm -tearoff 0
2536        $w.ctxm add command -label "Copy" \
2537                -font font_ui \
2538                -command "tk_textCopy $w.m.t"
2539        $w.ctxm add command -label "Select All" \
2540                -font font_ui \
2541                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
2542        $w.ctxm add command -label "Copy All" \
2543                -font font_ui \
2544                -command "
2545                        $w.m.t tag add sel 0.0 end
2546                        tk_textCopy $w.m.t
2547                        $w.m.t tag remove sel 0.0 end
2548                "
2549
2550        button $w.ok -text {Close} \
2551                -font font_ui \
2552                -state disabled \
2553                -command "destroy $w"
2554        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2555
2556        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2557        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2558        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2559        bind $w <Visibility> "focus $w"
2560        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2561        return $w
2562}
2563
2564proc console_exec {w cmd {after {}}} {
2565        # -- Windows tosses the enviroment when we exec our child.
2566        #    But most users need that so we have to relogin. :-(
2567        #
2568        if {[is_Windows]} {
2569                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2570        }
2571
2572        # -- Tcl won't let us redirect both stdout and stderr to
2573        #    the same pipe.  So pass it through cat...
2574        #
2575        set cmd [concat | $cmd |& cat]
2576
2577        set fd_f [open $cmd r]
2578        fconfigure $fd_f -blocking 0 -translation binary
2579        fileevent $fd_f readable [list console_read $w $fd_f $after]
2580}
2581
2582proc console_read {w fd after} {
2583        global console_cr console_data
2584
2585        set buf [read $fd]
2586        if {$buf ne {}} {
2587                if {![winfo exists $w]} {console_init $w}
2588                $w.m.t conf -state normal
2589                set c 0
2590                set n [string length $buf]
2591                while {$c < $n} {
2592                        set cr [string first "\r" $buf $c]
2593                        set lf [string first "\n" $buf $c]
2594                        if {$cr < 0} {set cr [expr {$n + 1}]}
2595                        if {$lf < 0} {set lf [expr {$n + 1}]}
2596
2597                        if {$lf < $cr} {
2598                                $w.m.t insert end [string range $buf $c $lf]
2599                                set console_cr($w) [$w.m.t index {end -1c}]
2600                                set c $lf
2601                                incr c
2602                        } else {
2603                                $w.m.t delete $console_cr($w) end
2604                                $w.m.t insert end "\n"
2605                                $w.m.t insert end [string range $buf $c $cr]
2606                                set c $cr
2607                                incr c
2608                        }
2609                }
2610                $w.m.t conf -state disabled
2611                $w.m.t see end
2612        }
2613
2614        fconfigure $fd -blocking 1
2615        if {[eof $fd]} {
2616                if {[catch {close $fd}]} {
2617                        if {![winfo exists $w]} {console_init $w}
2618                        $w.m.s conf -background red -text {Error: Command Failed}
2619                        $w.ok conf -state normal
2620                        set ok 0
2621                } elseif {[winfo exists $w]} {
2622                        $w.m.s conf -background green -text {Success}
2623                        $w.ok conf -state normal
2624                        set ok 1
2625                }
2626                array unset console_cr $w
2627                array unset console_data $w
2628                if {$after ne {}} {
2629                        uplevel #0 $after $ok
2630                }
2631                return
2632        }
2633        fconfigure $fd -blocking 0
2634}
2635
2636######################################################################
2637##
2638## ui commands
2639
2640set starting_gitk_msg {Starting gitk... please wait...}
2641
2642proc do_gitk {revs} {
2643        global ui_status_value starting_gitk_msg
2644
2645        set cmd gitk
2646        if {$revs ne {}} {
2647                append cmd { }
2648                append cmd $revs
2649        }
2650        if {[is_Windows]} {
2651                set cmd "sh -c \"exec $cmd\""
2652        }
2653        append cmd { &}
2654
2655        if {[catch {eval exec $cmd} err]} {
2656                error_popup "Failed to start gitk:\n\n$err"
2657        } else {
2658                set ui_status_value $starting_gitk_msg
2659                after 10000 {
2660                        if {$ui_status_value eq $starting_gitk_msg} {
2661                                set ui_status_value {Ready.}
2662                        }
2663                }
2664        }
2665}
2666
2667proc do_gc {} {
2668        set w [new_console {gc} {Compressing the object database}]
2669        console_exec $w {git gc}
2670}
2671
2672proc do_fsck_objects {} {
2673        set w [new_console {fsck-objects} \
2674                {Verifying the object database with fsck-objects}]
2675        set cmd [list git fsck-objects]
2676        lappend cmd --full
2677        lappend cmd --cache
2678        lappend cmd --strict
2679        console_exec $w $cmd
2680}
2681
2682set is_quitting 0
2683
2684proc do_quit {} {
2685        global ui_comm is_quitting repo_config commit_type
2686
2687        if {$is_quitting} return
2688        set is_quitting 1
2689
2690        # -- Stash our current commit buffer.
2691        #
2692        set save [gitdir GITGUI_MSG]
2693        set msg [string trim [$ui_comm get 0.0 end]]
2694        if {![string match amend* $commit_type]
2695                && [$ui_comm edit modified]
2696                && $msg ne {}} {
2697                catch {
2698                        set fd [open $save w]
2699                        puts $fd [string trim [$ui_comm get 0.0 end]]
2700                        close $fd
2701                }
2702        } else {
2703                catch {file delete $save}
2704        }
2705
2706        # -- Stash our current window geometry into this repository.
2707        #
2708        set cfg_geometry [list]
2709        lappend cfg_geometry [wm geometry .]
2710        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2711        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2712        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2713                set rc_geometry {}
2714        }
2715        if {$cfg_geometry ne $rc_geometry} {
2716                catch {exec git repo-config gui.geometry $cfg_geometry}
2717        }
2718
2719        destroy .
2720}
2721
2722proc do_rescan {} {
2723        rescan {set ui_status_value {Ready.}}
2724}
2725
2726proc unstage_helper {txt paths} {
2727        global file_states current_diff_path
2728
2729        if {![lock_index begin-update]} return
2730
2731        set pathList [list]
2732        set after {}
2733        foreach path $paths {
2734                switch -glob -- [lindex $file_states($path) 0] {
2735                A? -
2736                M? -
2737                D? {
2738                        lappend pathList $path
2739                        if {$path eq $current_diff_path} {
2740                                set after {reshow_diff;}
2741                        }
2742                }
2743                }
2744        }
2745        if {$pathList eq {}} {
2746                unlock_index
2747        } else {
2748                update_indexinfo \
2749                        $txt \
2750                        $pathList \
2751                        [concat $after {set ui_status_value {Ready.}}]
2752        }
2753}
2754
2755proc do_unstage_selection {} {
2756        global current_diff_path selected_paths
2757
2758        if {[array size selected_paths] > 0} {
2759                unstage_helper \
2760                        {Unstaging selected files from commit} \
2761                        [array names selected_paths]
2762        } elseif {$current_diff_path ne {}} {
2763                unstage_helper \
2764                        "Unstaging [short_path $current_diff_path] from commit" \
2765                        [list $current_diff_path]
2766        }
2767}
2768
2769proc add_helper {txt paths} {
2770        global file_states current_diff_path
2771
2772        if {![lock_index begin-update]} return
2773
2774        set pathList [list]
2775        set after {}
2776        foreach path $paths {
2777                switch -glob -- [lindex $file_states($path) 0] {
2778                _O -
2779                ?M -
2780                ?D -
2781                U? {
2782                        lappend pathList $path
2783                        if {$path eq $current_diff_path} {
2784                                set after {reshow_diff;}
2785                        }
2786                }
2787                }
2788        }
2789        if {$pathList eq {}} {
2790                unlock_index
2791        } else {
2792                update_index \
2793                        $txt \
2794                        $pathList \
2795                        [concat $after {set ui_status_value {Ready to commit.}}]
2796        }
2797}
2798
2799proc do_add_selection {} {
2800        global current_diff_path selected_paths
2801
2802        if {[array size selected_paths] > 0} {
2803                add_helper \
2804                        {Adding selected files} \
2805                        [array names selected_paths]
2806        } elseif {$current_diff_path ne {}} {
2807                add_helper \
2808                        "Adding [short_path $current_diff_path]" \
2809                        [list $current_diff_path]
2810        }
2811}
2812
2813proc do_add_all {} {
2814        global file_states
2815
2816        set paths [list]
2817        foreach path [array names file_states] {
2818                switch -glob -- [lindex $file_states($path) 0] {
2819                U? {continue}
2820                ?M -
2821                ?D {lappend paths $path}
2822                }
2823        }
2824        add_helper {Adding all changed files} $paths
2825}
2826
2827proc revert_helper {txt paths} {
2828        global file_states current_diff_path
2829
2830        if {![lock_index begin-update]} return
2831
2832        set pathList [list]
2833        set after {}
2834        foreach path $paths {
2835                switch -glob -- [lindex $file_states($path) 0] {
2836                U? {continue}
2837                ?M -
2838                ?D {
2839                        lappend pathList $path
2840                        if {$path eq $current_diff_path} {
2841                                set after {reshow_diff;}
2842                        }
2843                }
2844                }
2845        }
2846
2847        set n [llength $pathList]
2848        if {$n == 0} {
2849                unlock_index
2850                return
2851        } elseif {$n == 1} {
2852                set s "[short_path [lindex $pathList]]"
2853        } else {
2854                set s "these $n files"
2855        }
2856
2857        set reply [tk_dialog \
2858                .confirm_revert \
2859                "[appname] ([reponame])" \
2860                "Revert changes in $s?
2861
2862Any unadded changes will be permanently lost by the revert." \
2863                question \
2864                1 \
2865                {Do Nothing} \
2866                {Revert Changes} \
2867                ]
2868        if {$reply == 1} {
2869                checkout_index \
2870                        $txt \
2871                        $pathList \
2872                        [concat $after {set ui_status_value {Ready.}}]
2873        } else {
2874                unlock_index
2875        }
2876}
2877
2878proc do_revert_selection {} {
2879        global current_diff_path selected_paths
2880
2881        if {[array size selected_paths] > 0} {
2882                revert_helper \
2883                        {Reverting selected files} \
2884                        [array names selected_paths]
2885        } elseif {$current_diff_path ne {}} {
2886                revert_helper \
2887                        "Reverting [short_path $current_diff_path]" \
2888                        [list $current_diff_path]
2889        }
2890}
2891
2892proc do_signoff {} {
2893        global ui_comm
2894
2895        set me [committer_ident]
2896        if {$me eq {}} return
2897
2898        set sob "Signed-off-by: $me"
2899        set last [$ui_comm get {end -1c linestart} {end -1c}]
2900        if {$last ne $sob} {
2901                $ui_comm edit separator
2902                if {$last ne {}
2903                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2904                        $ui_comm insert end "\n"
2905                }
2906                $ui_comm insert end "\n$sob"
2907                $ui_comm edit separator
2908                $ui_comm see end
2909        }
2910}
2911
2912proc do_select_commit_type {} {
2913        global commit_type selected_commit_type
2914
2915        if {$selected_commit_type eq {new}
2916                && [string match amend* $commit_type]} {
2917                create_new_commit
2918        } elseif {$selected_commit_type eq {amend}
2919                && ![string match amend* $commit_type]} {
2920                load_last_commit
2921
2922                # The amend request was rejected...
2923                #
2924                if {![string match amend* $commit_type]} {
2925                        set selected_commit_type new
2926                }
2927        }
2928}
2929
2930proc do_commit {} {
2931        commit_tree
2932}
2933
2934proc do_about {} {
2935        global appvers copyright
2936        global tcl_patchLevel tk_patchLevel
2937
2938        set w .about_dialog
2939        toplevel $w
2940        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2941
2942        label $w.header -text "About [appname]" \
2943                -font font_uibold
2944        pack $w.header -side top -fill x
2945
2946        frame $w.buttons
2947        button $w.buttons.close -text {Close} \
2948                -font font_ui \
2949                -command [list destroy $w]
2950        pack $w.buttons.close -side right
2951        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2952
2953        label $w.desc \
2954                -text "[appname] - a commit creation tool for Git.
2955$copyright" \
2956                -padx 5 -pady 5 \
2957                -justify left \
2958                -anchor w \
2959                -borderwidth 1 \
2960                -relief solid \
2961                -font font_ui
2962        pack $w.desc -side top -fill x -padx 5 -pady 5
2963
2964        set v {}
2965        append v "[appname] version $appvers\n"
2966        append v "[exec git version]\n"
2967        append v "\n"
2968        if {$tcl_patchLevel eq $tk_patchLevel} {
2969                append v "Tcl/Tk version $tcl_patchLevel"
2970        } else {
2971                append v "Tcl version $tcl_patchLevel"
2972                append v ", Tk version $tk_patchLevel"
2973        }
2974
2975        label $w.vers \
2976                -text $v \
2977                -padx 5 -pady 5 \
2978                -justify left \
2979                -anchor w \
2980                -borderwidth 1 \
2981                -relief solid \
2982                -font font_ui
2983        pack $w.vers -side top -fill x -padx 5 -pady 5
2984
2985        menu $w.ctxm -tearoff 0
2986        $w.ctxm add command \
2987                -label {Copy} \
2988                -font font_ui \
2989                -command "
2990                clipboard clear
2991                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2992        "
2993
2994        bind $w <Visibility> "grab $w; focus $w"
2995        bind $w <Key-Escape> "destroy $w"
2996        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2997        wm title $w "About [appname]"
2998        tkwait window $w
2999}
3000
3001proc do_options {} {
3002        global repo_config global_config font_descs
3003        global repo_config_new global_config_new
3004
3005        array unset repo_config_new
3006        array unset global_config_new
3007        foreach name [array names repo_config] {
3008                set repo_config_new($name) $repo_config($name)
3009        }
3010        load_config 1
3011        foreach name [array names repo_config] {
3012                switch -- $name {
3013                gui.diffcontext {continue}
3014                }
3015                set repo_config_new($name) $repo_config($name)
3016        }
3017        foreach name [array names global_config] {
3018                set global_config_new($name) $global_config($name)
3019        }
3020
3021        set w .options_editor
3022        toplevel $w
3023        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3024
3025        label $w.header -text "[appname] Options" \
3026                -font font_uibold
3027        pack $w.header -side top -fill x
3028
3029        frame $w.buttons
3030        button $w.buttons.restore -text {Restore Defaults} \
3031                -font font_ui \
3032                -command do_restore_defaults
3033        pack $w.buttons.restore -side left
3034        button $w.buttons.save -text Save \
3035                -font font_ui \
3036                -command "
3037                        catch {eval \[bind \[focus -displayof $w\] <FocusOut>\]}
3038                        do_save_config $w
3039                "
3040        pack $w.buttons.save -side right
3041        button $w.buttons.cancel -text {Cancel} \
3042                -font font_ui \
3043                -command [list destroy $w]
3044        pack $w.buttons.cancel -side right -padx 5
3045        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3046
3047        labelframe $w.repo -text "[reponame] Repository" \
3048                -font font_ui \
3049                -relief raised -borderwidth 2
3050        labelframe $w.global -text {Global (All Repositories)} \
3051                -font font_ui \
3052                -relief raised -borderwidth 2
3053        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
3054        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
3055
3056        foreach option {
3057                {b pullsummary {Show Pull Summary}}
3058                {b trustmtime  {Trust File Modification Timestamps}}
3059                {i diffcontext {Number of Diff Context Lines}}
3060                {t newbranchtemplate {New Branch Name Template}}
3061                } {
3062                set type [lindex $option 0]
3063                set name [lindex $option 1]
3064                set text [lindex $option 2]
3065                foreach f {repo global} {
3066                        switch $type {
3067                        b {
3068                                checkbutton $w.$f.$name -text $text \
3069                                        -variable ${f}_config_new(gui.$name) \
3070                                        -onvalue true \
3071                                        -offvalue false \
3072                                        -font font_ui
3073                                pack $w.$f.$name -side top -anchor w
3074                        }
3075                        i {
3076                                frame $w.$f.$name
3077                                label $w.$f.$name.l -text "$text:" -font font_ui
3078                                pack $w.$f.$name.l -side left -anchor w -fill x
3079                                spinbox $w.$f.$name.v \
3080                                        -textvariable ${f}_config_new(gui.$name) \
3081                                        -from 1 -to 99 -increment 1 \
3082                                        -width 3 \
3083                                        -font font_ui
3084                                bind $w.$f.$name.v <FocusIn> {%W selection range 0 end}
3085                                pack $w.$f.$name.v -side right -anchor e -padx 5
3086                                pack $w.$f.$name -side top -anchor w -fill x
3087                        }
3088                        t {
3089                                frame $w.$f.$name
3090                                label $w.$f.$name.l -text "$text:" -font font_ui
3091                                text $w.$f.$name.v \
3092                                        -borderwidth 1 \
3093                                        -relief sunken \
3094                                        -height 1 \
3095                                        -width 20 \
3096                                        -font font_ui
3097                                $w.$f.$name.v insert 0.0 [set ${f}_config_new(gui.$name)]
3098                                bind $w.$f.$name.v <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
3099                                bind $w.$f.$name.v <Key-Tab> {focus [tk_focusNext %W];break}
3100                                bind $w.$f.$name.v <Key-Return> break
3101                                bind $w.$f.$name.v <FocusIn> "$w.$f.$name.v tag add sel 0.0 end"
3102                                bind $w.$f.$name.v <FocusOut> "
3103                                        set ${f}_config_new(gui.$name) \
3104                                        \[string trim \[$w.$f.$name.v get 0.0 end\]\]
3105                                "
3106                                pack $w.$f.$name.l -side left -anchor w
3107                                pack $w.$f.$name.v -side left -anchor w \
3108                                        -fill x -expand 1 \
3109                                        -padx 5
3110                                pack $w.$f.$name -side top -anchor w -fill x
3111                        }
3112                        }
3113                }
3114        }
3115
3116        set all_fonts [lsort [font families]]
3117        foreach option $font_descs {
3118                set name [lindex $option 0]
3119                set font [lindex $option 1]
3120                set text [lindex $option 2]
3121
3122                set global_config_new(gui.$font^^family) \
3123                        [font configure $font -family]
3124                set global_config_new(gui.$font^^size) \
3125                        [font configure $font -size]
3126
3127                frame $w.global.$name
3128                label $w.global.$name.l -text "$text:" -font font_ui
3129                pack $w.global.$name.l -side left -anchor w -fill x
3130                eval tk_optionMenu $w.global.$name.family \
3131                        global_config_new(gui.$font^^family) \
3132                        $all_fonts
3133                spinbox $w.global.$name.size \
3134                        -textvariable global_config_new(gui.$font^^size) \
3135                        -from 2 -to 80 -increment 1 \
3136                        -width 3 \
3137                        -font font_ui
3138                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
3139                pack $w.global.$name.size -side right -anchor e
3140                pack $w.global.$name.family -side right -anchor e
3141                pack $w.global.$name -side top -anchor w -fill x
3142        }
3143
3144        bind $w <Visibility> "grab $w; focus $w"
3145        bind $w <Key-Escape> "destroy $w"
3146        wm title $w "[appname] ([reponame]): Options"
3147        tkwait window $w
3148}
3149
3150proc do_restore_defaults {} {
3151        global font_descs default_config repo_config
3152        global repo_config_new global_config_new
3153
3154        foreach name [array names default_config] {
3155                set repo_config_new($name) $default_config($name)
3156                set global_config_new($name) $default_config($name)
3157        }
3158
3159        foreach option $font_descs {
3160                set name [lindex $option 0]
3161                set repo_config(gui.$name) $default_config(gui.$name)
3162        }
3163        apply_config
3164
3165        foreach option $font_descs {
3166                set name [lindex $option 0]
3167                set font [lindex $option 1]
3168                set global_config_new(gui.$font^^family) \
3169                        [font configure $font -family]
3170                set global_config_new(gui.$font^^size) \
3171                        [font configure $font -size]
3172        }
3173}
3174
3175proc do_save_config {w} {
3176        if {[catch {save_config} err]} {
3177                error_popup "Failed to completely save options:\n\n$err"
3178        }
3179        reshow_diff
3180        destroy $w
3181}
3182
3183proc do_windows_shortcut {} {
3184        global argv0
3185
3186        if {[catch {
3187                set desktop [exec cygpath \
3188                        --windows \
3189                        --absolute \
3190                        --long-name \
3191                        --desktop]
3192                }]} {
3193                        set desktop .
3194        }
3195        set fn [tk_getSaveFile \
3196                -parent . \
3197                -title "[appname] ([reponame]): Create Desktop Icon" \
3198                -initialdir $desktop \
3199                -initialfile "Git [reponame].bat"]
3200        if {$fn != {}} {
3201                if {[catch {
3202                                set fd [open $fn w]
3203                                set sh [exec cygpath \
3204                                        --windows \
3205                                        --absolute \
3206                                        /bin/sh]
3207                                set me [exec cygpath \
3208                                        --unix \
3209                                        --absolute \
3210                                        $argv0]
3211                                set gd [exec cygpath \
3212                                        --unix \
3213                                        --absolute \
3214                                        [gitdir]]
3215                                set gw [exec cygpath \
3216                                        --windows \
3217                                        --absolute \
3218                                        [file dirname [gitdir]]]
3219                                regsub -all ' $me "'\\''" me
3220                                regsub -all ' $gd "'\\''" gd
3221                                puts $fd "@ECHO Entering $gw"
3222                                puts $fd "@ECHO Starting git-gui... please wait..."
3223                                puts -nonewline $fd "@\"$sh\" --login -c \""
3224                                puts -nonewline $fd "GIT_DIR='$gd'"
3225                                puts -nonewline $fd " '$me'"
3226                                puts $fd "&\""
3227                                close $fd
3228                        } err]} {
3229                        error_popup "Cannot write script:\n\n$err"
3230                }
3231        }
3232}
3233
3234proc do_macosx_app {} {
3235        global argv0 env
3236
3237        set fn [tk_getSaveFile \
3238                -parent . \
3239                -title "[appname] ([reponame]): Create Desktop Icon" \
3240                -initialdir [file join $env(HOME) Desktop] \
3241                -initialfile "Git [reponame].app"]
3242        if {$fn != {}} {
3243                if {[catch {
3244                                set Contents [file join $fn Contents]
3245                                set MacOS [file join $Contents MacOS]
3246                                set exe [file join $MacOS git-gui]
3247
3248                                file mkdir $MacOS
3249
3250                                set fd [open [file join $Contents Info.plist] w]
3251                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3252<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3253<plist version="1.0">
3254<dict>
3255        <key>CFBundleDevelopmentRegion</key>
3256        <string>English</string>
3257        <key>CFBundleExecutable</key>
3258        <string>git-gui</string>
3259        <key>CFBundleIdentifier</key>
3260        <string>org.spearce.git-gui</string>
3261        <key>CFBundleInfoDictionaryVersion</key>
3262        <string>6.0</string>
3263        <key>CFBundlePackageType</key>
3264        <string>APPL</string>
3265        <key>CFBundleSignature</key>
3266        <string>????</string>
3267        <key>CFBundleVersion</key>
3268        <string>1.0</string>
3269        <key>NSPrincipalClass</key>
3270        <string>NSApplication</string>
3271</dict>
3272</plist>}
3273                                close $fd
3274
3275                                set fd [open $exe w]
3276                                set gd [file normalize [gitdir]]
3277                                set ep [file normalize [exec git --exec-path]]
3278                                regsub -all ' $gd "'\\''" gd
3279                                regsub -all ' $ep "'\\''" ep
3280                                puts $fd "#!/bin/sh"
3281                                foreach name [array names env] {
3282                                        if {[string match GIT_* $name]} {
3283                                                regsub -all ' $env($name) "'\\''" v
3284                                                puts $fd "export $name='$v'"
3285                                        }
3286                                }
3287                                puts $fd "export PATH='$ep':\$PATH"
3288                                puts $fd "export GIT_DIR='$gd'"
3289                                puts $fd "exec [file normalize $argv0]"
3290                                close $fd
3291
3292                                file attributes $exe -permissions u+x,g+x,o+x
3293                        } err]} {
3294                        error_popup "Cannot write icon:\n\n$err"
3295                }
3296        }
3297}
3298
3299proc toggle_or_diff {w x y} {
3300        global file_states file_lists current_diff_path ui_index ui_workdir
3301        global last_clicked selected_paths
3302
3303        set pos [split [$w index @$x,$y] .]
3304        set lno [lindex $pos 0]
3305        set col [lindex $pos 1]
3306        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3307        if {$path eq {}} {
3308                set last_clicked {}
3309                return
3310        }
3311
3312        set last_clicked [list $w $lno]
3313        array unset selected_paths
3314        $ui_index tag remove in_sel 0.0 end
3315        $ui_workdir tag remove in_sel 0.0 end
3316
3317        if {$col == 0} {
3318                if {$current_diff_path eq $path} {
3319                        set after {reshow_diff;}
3320                } else {
3321                        set after {}
3322                }
3323                if {$w eq $ui_index} {
3324                        update_indexinfo \
3325                                "Unstaging [short_path $path] from commit" \
3326                                [list $path] \
3327                                [concat $after {set ui_status_value {Ready.}}]
3328                } elseif {$w eq $ui_workdir} {
3329                        update_index \
3330                                "Adding [short_path $path]" \
3331                                [list $path] \
3332                                [concat $after {set ui_status_value {Ready.}}]
3333                }
3334        } else {
3335                show_diff $path $w $lno
3336        }
3337}
3338
3339proc add_one_to_selection {w x y} {
3340        global file_lists last_clicked selected_paths
3341
3342        set lno [lindex [split [$w index @$x,$y] .] 0]
3343        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3344        if {$path eq {}} {
3345                set last_clicked {}
3346                return
3347        }
3348
3349        if {$last_clicked ne {}
3350                && [lindex $last_clicked 0] ne $w} {
3351                array unset selected_paths
3352                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3353        }
3354
3355        set last_clicked [list $w $lno]
3356        if {[catch {set in_sel $selected_paths($path)}]} {
3357                set in_sel 0
3358        }
3359        if {$in_sel} {
3360                unset selected_paths($path)
3361                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3362        } else {
3363                set selected_paths($path) 1
3364                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3365        }
3366}
3367
3368proc add_range_to_selection {w x y} {
3369        global file_lists last_clicked selected_paths
3370
3371        if {[lindex $last_clicked 0] ne $w} {
3372                toggle_or_diff $w $x $y
3373                return
3374        }
3375
3376        set lno [lindex [split [$w index @$x,$y] .] 0]
3377        set lc [lindex $last_clicked 1]
3378        if {$lc < $lno} {
3379                set begin $lc
3380                set end $lno
3381        } else {
3382                set begin $lno
3383                set end $lc
3384        }
3385
3386        foreach path [lrange $file_lists($w) \
3387                [expr {$begin - 1}] \
3388                [expr {$end - 1}]] {
3389                set selected_paths($path) 1
3390        }
3391        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3392}
3393
3394######################################################################
3395##
3396## config defaults
3397
3398set cursor_ptr arrow
3399font create font_diff -family Courier -size 10
3400font create font_ui
3401catch {
3402        label .dummy
3403        eval font configure font_ui [font actual [.dummy cget -font]]
3404        destroy .dummy
3405}
3406
3407font create font_uibold
3408font create font_diffbold
3409
3410if {[is_Windows]} {
3411        set M1B Control
3412        set M1T Ctrl
3413} elseif {[is_MacOSX]} {
3414        set M1B M1
3415        set M1T Cmd
3416} else {
3417        set M1B M1
3418        set M1T M1
3419}
3420
3421proc apply_config {} {
3422        global repo_config font_descs
3423
3424        foreach option $font_descs {
3425                set name [lindex $option 0]
3426                set font [lindex $option 1]
3427                if {[catch {
3428                        foreach {cn cv} $repo_config(gui.$name) {
3429                                font configure $font $cn $cv
3430                        }
3431                        } err]} {
3432                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3433                }
3434                foreach {cn cv} [font configure $font] {
3435                        font configure ${font}bold $cn $cv
3436                }
3437                font configure ${font}bold -weight bold
3438        }
3439}
3440
3441set default_config(gui.trustmtime) false
3442set default_config(gui.pullsummary) true
3443set default_config(gui.diffcontext) 5
3444set default_config(gui.newbranchtemplate) {}
3445set default_config(gui.fontui) [font configure font_ui]
3446set default_config(gui.fontdiff) [font configure font_diff]
3447set font_descs {
3448        {fontui   font_ui   {Main Font}}
3449        {fontdiff font_diff {Diff/Console Font}}
3450}
3451load_config 0
3452apply_config
3453
3454######################################################################
3455##
3456## ui construction
3457
3458# -- Menu Bar
3459#
3460menu .mbar -tearoff 0
3461.mbar add cascade -label Repository -menu .mbar.repository
3462.mbar add cascade -label Edit -menu .mbar.edit
3463if {!$single_commit} {
3464        .mbar add cascade -label Branch -menu .mbar.branch
3465}
3466.mbar add cascade -label Commit -menu .mbar.commit
3467if {!$single_commit} {
3468        .mbar add cascade -label Fetch -menu .mbar.fetch
3469        .mbar add cascade -label Pull -menu .mbar.pull
3470        .mbar add cascade -label Push -menu .mbar.push
3471}
3472. configure -menu .mbar
3473
3474# -- Repository Menu
3475#
3476menu .mbar.repository
3477.mbar.repository add command \
3478        -label {Visualize Current Branch} \
3479        -command {do_gitk {}} \
3480        -font font_ui
3481if {![is_MacOSX]} {
3482        .mbar.repository add command \
3483                -label {Visualize All Branches} \
3484                -command {do_gitk {--all}} \
3485                -font font_ui
3486}
3487.mbar.repository add separator
3488
3489if {!$single_commit} {
3490        .mbar.repository add command -label {Compress Database} \
3491                -command do_gc \
3492                -font font_ui
3493
3494        .mbar.repository add command -label {Verify Database} \
3495                -command do_fsck_objects \
3496                -font font_ui
3497
3498        .mbar.repository add separator
3499
3500        if {[is_Windows]} {
3501                .mbar.repository add command \
3502                        -label {Create Desktop Icon} \
3503                        -command do_windows_shortcut \
3504                        -font font_ui
3505        } elseif {[is_MacOSX]} {
3506                .mbar.repository add command \
3507                        -label {Create Desktop Icon} \
3508                        -command do_macosx_app \
3509                        -font font_ui
3510        }
3511}
3512
3513.mbar.repository add command -label Quit \
3514        -command do_quit \
3515        -accelerator $M1T-Q \
3516        -font font_ui
3517
3518# -- Edit Menu
3519#
3520menu .mbar.edit
3521.mbar.edit add command -label Undo \
3522        -command {catch {[focus] edit undo}} \
3523        -accelerator $M1T-Z \
3524        -font font_ui
3525.mbar.edit add command -label Redo \
3526        -command {catch {[focus] edit redo}} \
3527        -accelerator $M1T-Y \
3528        -font font_ui
3529.mbar.edit add separator
3530.mbar.edit add command -label Cut \
3531        -command {catch {tk_textCut [focus]}} \
3532        -accelerator $M1T-X \
3533        -font font_ui
3534.mbar.edit add command -label Copy \
3535        -command {catch {tk_textCopy [focus]}} \
3536        -accelerator $M1T-C \
3537        -font font_ui
3538.mbar.edit add command -label Paste \
3539        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3540        -accelerator $M1T-V \
3541        -font font_ui
3542.mbar.edit add command -label Delete \
3543        -command {catch {[focus] delete sel.first sel.last}} \
3544        -accelerator Del \
3545        -font font_ui
3546.mbar.edit add separator
3547.mbar.edit add command -label {Select All} \
3548        -command {catch {[focus] tag add sel 0.0 end}} \
3549        -accelerator $M1T-A \
3550        -font font_ui
3551
3552# -- Branch Menu
3553#
3554if {!$single_commit} {
3555        menu .mbar.branch
3556
3557        .mbar.branch add command -label {Create...} \
3558                -command do_create_branch \
3559                -accelerator $M1T-N \
3560                -font font_ui
3561        lappend disable_on_lock [list .mbar.branch entryconf \
3562                [.mbar.branch index last] -state]
3563
3564        .mbar.branch add command -label {Delete...} \
3565                -command do_delete_branch \
3566                -font font_ui
3567        lappend disable_on_lock [list .mbar.branch entryconf \
3568                [.mbar.branch index last] -state]
3569}
3570
3571# -- Commit Menu
3572#
3573menu .mbar.commit
3574
3575.mbar.commit add radiobutton \
3576        -label {New Commit} \
3577        -command do_select_commit_type \
3578        -variable selected_commit_type \
3579        -value new \
3580        -font font_ui
3581lappend disable_on_lock \
3582        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3583
3584.mbar.commit add radiobutton \
3585        -label {Amend Last Commit} \
3586        -command do_select_commit_type \
3587        -variable selected_commit_type \
3588        -value amend \
3589        -font font_ui
3590lappend disable_on_lock \
3591        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3592
3593.mbar.commit add separator
3594
3595.mbar.commit add command -label Rescan \
3596        -command do_rescan \
3597        -accelerator F5 \
3598        -font font_ui
3599lappend disable_on_lock \
3600        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3601
3602.mbar.commit add command -label {Add To Commit} \
3603        -command do_add_selection \
3604        -font font_ui
3605lappend disable_on_lock \
3606        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3607
3608.mbar.commit add command -label {Add All To Commit} \
3609        -command do_add_all \
3610        -accelerator $M1T-I \
3611        -font font_ui
3612lappend disable_on_lock \
3613        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3614
3615.mbar.commit add command -label {Unstage From Commit} \
3616        -command do_unstage_selection \
3617        -font font_ui
3618lappend disable_on_lock \
3619        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3620
3621.mbar.commit add command -label {Revert Changes} \
3622        -command do_revert_selection \
3623        -font font_ui
3624lappend disable_on_lock \
3625        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3626
3627.mbar.commit add separator
3628
3629.mbar.commit add command -label {Sign Off} \
3630        -command do_signoff \
3631        -accelerator $M1T-S \
3632        -font font_ui
3633
3634.mbar.commit add command -label Commit \
3635        -command do_commit \
3636        -accelerator $M1T-Return \
3637        -font font_ui
3638lappend disable_on_lock \
3639        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3640
3641# -- Transport menus
3642#
3643if {!$single_commit} {
3644        menu .mbar.fetch
3645        menu .mbar.pull
3646        menu .mbar.push
3647}
3648
3649if {[is_MacOSX]} {
3650        # -- Apple Menu (Mac OS X only)
3651        #
3652        .mbar add cascade -label Apple -menu .mbar.apple
3653        menu .mbar.apple
3654
3655        .mbar.apple add command -label "About [appname]" \
3656                -command do_about \
3657                -font font_ui
3658        .mbar.apple add command -label "[appname] Options..." \
3659                -command do_options \
3660                -font font_ui
3661} else {
3662        # -- Edit Menu
3663        #
3664        .mbar.edit add separator
3665        .mbar.edit add command -label {Options...} \
3666                -command do_options \
3667                -font font_ui
3668
3669        # -- Tools Menu
3670        #
3671        if {[file exists /usr/local/miga/lib/gui-miga]
3672                && [file exists .pvcsrc]} {
3673        proc do_miga {} {
3674                global ui_status_value
3675                if {![lock_index update]} return
3676                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3677                set miga_fd [open "|$cmd" r]
3678                fconfigure $miga_fd -blocking 0
3679                fileevent $miga_fd readable [list miga_done $miga_fd]
3680                set ui_status_value {Running miga...}
3681        }
3682        proc miga_done {fd} {
3683                read $fd 512
3684                if {[eof $fd]} {
3685                        close $fd
3686                        unlock_index
3687                        rescan [list set ui_status_value {Ready.}]
3688                }
3689        }
3690        .mbar add cascade -label Tools -menu .mbar.tools
3691        menu .mbar.tools
3692        .mbar.tools add command -label "Migrate" \
3693                -command do_miga \
3694                -font font_ui
3695        lappend disable_on_lock \
3696                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3697        }
3698
3699        # -- Help Menu
3700        #
3701        .mbar add cascade -label Help -menu .mbar.help
3702        menu .mbar.help
3703
3704        .mbar.help add command -label "About [appname]" \
3705                -command do_about \
3706                -font font_ui
3707}
3708
3709
3710# -- Branch Control
3711#
3712frame .branch \
3713        -borderwidth 1 \
3714        -relief sunken
3715label .branch.l1 \
3716        -text {Current Branch:} \
3717        -anchor w \
3718        -justify left \
3719        -font font_ui
3720label .branch.cb \
3721        -textvariable current_branch \
3722        -anchor w \
3723        -justify left \
3724        -font font_ui
3725pack .branch.l1 -side left
3726pack .branch.cb -side left -fill x
3727pack .branch -side top -fill x
3728
3729# -- Main Window Layout
3730#
3731panedwindow .vpane -orient vertical
3732panedwindow .vpane.files -orient horizontal
3733.vpane add .vpane.files -sticky nsew -height 100 -width 200
3734pack .vpane -anchor n -side top -fill both -expand 1
3735
3736# -- Index File List
3737#
3738frame .vpane.files.index -height 100 -width 200
3739label .vpane.files.index.title -text {Changes To Be Committed} \
3740        -background green \
3741        -font font_ui
3742text $ui_index -background white -borderwidth 0 \
3743        -width 20 -height 10 \
3744        -wrap none \
3745        -font font_ui \
3746        -cursor $cursor_ptr \
3747        -xscrollcommand {.vpane.files.index.sx set} \
3748        -yscrollcommand {.vpane.files.index.sy set} \
3749        -state disabled
3750scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3751scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3752pack .vpane.files.index.title -side top -fill x
3753pack .vpane.files.index.sx -side bottom -fill x
3754pack .vpane.files.index.sy -side right -fill y
3755pack $ui_index -side left -fill both -expand 1
3756.vpane.files add .vpane.files.index -sticky nsew
3757
3758# -- Working Directory File List
3759#
3760frame .vpane.files.workdir -height 100 -width 200
3761label .vpane.files.workdir.title -text {Changed But Not Updated} \
3762        -background red \
3763        -font font_ui
3764text $ui_workdir -background white -borderwidth 0 \
3765        -width 20 -height 10 \
3766        -wrap none \
3767        -font font_ui \
3768        -cursor $cursor_ptr \
3769        -xscrollcommand {.vpane.files.workdir.sx set} \
3770        -yscrollcommand {.vpane.files.workdir.sy set} \
3771        -state disabled
3772scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3773scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3774pack .vpane.files.workdir.title -side top -fill x
3775pack .vpane.files.workdir.sx -side bottom -fill x
3776pack .vpane.files.workdir.sy -side right -fill y
3777pack $ui_workdir -side left -fill both -expand 1
3778.vpane.files add .vpane.files.workdir -sticky nsew
3779
3780foreach i [list $ui_index $ui_workdir] {
3781        $i tag conf in_diff -font font_uibold
3782        $i tag conf in_sel \
3783                -background [$i cget -foreground] \
3784                -foreground [$i cget -background]
3785}
3786unset i
3787
3788# -- Diff and Commit Area
3789#
3790frame .vpane.lower -height 300 -width 400
3791frame .vpane.lower.commarea
3792frame .vpane.lower.diff -relief sunken -borderwidth 1
3793pack .vpane.lower.commarea -side top -fill x
3794pack .vpane.lower.diff -side bottom -fill both -expand 1
3795.vpane add .vpane.lower -stick nsew
3796
3797# -- Commit Area Buttons
3798#
3799frame .vpane.lower.commarea.buttons
3800label .vpane.lower.commarea.buttons.l -text {} \
3801        -anchor w \
3802        -justify left \
3803        -font font_ui
3804pack .vpane.lower.commarea.buttons.l -side top -fill x
3805pack .vpane.lower.commarea.buttons -side left -fill y
3806
3807button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3808        -command do_rescan \
3809        -font font_ui
3810pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3811lappend disable_on_lock \
3812        {.vpane.lower.commarea.buttons.rescan conf -state}
3813
3814button .vpane.lower.commarea.buttons.incall -text {Add All} \
3815        -command do_add_all \
3816        -font font_ui
3817pack .vpane.lower.commarea.buttons.incall -side top -fill x
3818lappend disable_on_lock \
3819        {.vpane.lower.commarea.buttons.incall conf -state}
3820
3821button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3822        -command do_signoff \
3823        -font font_ui
3824pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3825
3826button .vpane.lower.commarea.buttons.commit -text {Commit} \
3827        -command do_commit \
3828        -font font_ui
3829pack .vpane.lower.commarea.buttons.commit -side top -fill x
3830lappend disable_on_lock \
3831        {.vpane.lower.commarea.buttons.commit conf -state}
3832
3833# -- Commit Message Buffer
3834#
3835frame .vpane.lower.commarea.buffer
3836frame .vpane.lower.commarea.buffer.header
3837set ui_comm .vpane.lower.commarea.buffer.t
3838set ui_coml .vpane.lower.commarea.buffer.header.l
3839radiobutton .vpane.lower.commarea.buffer.header.new \
3840        -text {New Commit} \
3841        -command do_select_commit_type \
3842        -variable selected_commit_type \
3843        -value new \
3844        -font font_ui
3845lappend disable_on_lock \
3846        [list .vpane.lower.commarea.buffer.header.new conf -state]
3847radiobutton .vpane.lower.commarea.buffer.header.amend \
3848        -text {Amend Last Commit} \
3849        -command do_select_commit_type \
3850        -variable selected_commit_type \
3851        -value amend \
3852        -font font_ui
3853lappend disable_on_lock \
3854        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3855label $ui_coml \
3856        -anchor w \
3857        -justify left \
3858        -font font_ui
3859proc trace_commit_type {varname args} {
3860        global ui_coml commit_type
3861        switch -glob -- $commit_type {
3862        initial       {set txt {Initial Commit Message:}}
3863        amend         {set txt {Amended Commit Message:}}
3864        amend-initial {set txt {Amended Initial Commit Message:}}
3865        amend-merge   {set txt {Amended Merge Commit Message:}}
3866        merge         {set txt {Merge Commit Message:}}
3867        *             {set txt {Commit Message:}}
3868        }
3869        $ui_coml conf -text $txt
3870}
3871trace add variable commit_type write trace_commit_type
3872pack $ui_coml -side left -fill x
3873pack .vpane.lower.commarea.buffer.header.amend -side right
3874pack .vpane.lower.commarea.buffer.header.new -side right
3875
3876text $ui_comm -background white -borderwidth 1 \
3877        -undo true \
3878        -maxundo 20 \
3879        -autoseparators true \
3880        -relief sunken \
3881        -width 75 -height 9 -wrap none \
3882        -font font_diff \
3883        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3884scrollbar .vpane.lower.commarea.buffer.sby \
3885        -command [list $ui_comm yview]
3886pack .vpane.lower.commarea.buffer.header -side top -fill x
3887pack .vpane.lower.commarea.buffer.sby -side right -fill y
3888pack $ui_comm -side left -fill y
3889pack .vpane.lower.commarea.buffer -side left -fill y
3890
3891# -- Commit Message Buffer Context Menu
3892#
3893set ctxm .vpane.lower.commarea.buffer.ctxm
3894menu $ctxm -tearoff 0
3895$ctxm add command \
3896        -label {Cut} \
3897        -font font_ui \
3898        -command {tk_textCut $ui_comm}
3899$ctxm add command \
3900        -label {Copy} \
3901        -font font_ui \
3902        -command {tk_textCopy $ui_comm}
3903$ctxm add command \
3904        -label {Paste} \
3905        -font font_ui \
3906        -command {tk_textPaste $ui_comm}
3907$ctxm add command \
3908        -label {Delete} \
3909        -font font_ui \
3910        -command {$ui_comm delete sel.first sel.last}
3911$ctxm add separator
3912$ctxm add command \
3913        -label {Select All} \
3914        -font font_ui \
3915        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3916$ctxm add command \
3917        -label {Copy All} \
3918        -font font_ui \
3919        -command {
3920                $ui_comm tag add sel 0.0 end
3921                tk_textCopy $ui_comm
3922                $ui_comm tag remove sel 0.0 end
3923        }
3924$ctxm add separator
3925$ctxm add command \
3926        -label {Sign Off} \
3927        -font font_ui \
3928        -command do_signoff
3929bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3930
3931# -- Diff Header
3932#
3933set current_diff_path {}
3934set diff_actions [list]
3935proc trace_current_diff_path {varname args} {
3936        global current_diff_path diff_actions file_states
3937        if {$current_diff_path eq {}} {
3938                set s {}
3939                set f {}
3940                set p {}
3941                set o disabled
3942        } else {
3943                set p $current_diff_path
3944                set s [mapdesc [lindex $file_states($p) 0] $p]
3945                set f {File:}
3946                set p [escape_path $p]
3947                set o normal
3948        }
3949
3950        .vpane.lower.diff.header.status configure -text $s
3951        .vpane.lower.diff.header.file configure -text $f
3952        .vpane.lower.diff.header.path configure -text $p
3953        foreach w $diff_actions {
3954                uplevel #0 $w $o
3955        }
3956}
3957trace add variable current_diff_path write trace_current_diff_path
3958
3959frame .vpane.lower.diff.header -background orange
3960label .vpane.lower.diff.header.status \
3961        -background orange \
3962        -width $max_status_desc \
3963        -anchor w \
3964        -justify left \
3965        -font font_ui
3966label .vpane.lower.diff.header.file \
3967        -background orange \
3968        -anchor w \
3969        -justify left \
3970        -font font_ui
3971label .vpane.lower.diff.header.path \
3972        -background orange \
3973        -anchor w \
3974        -justify left \
3975        -font font_ui
3976pack .vpane.lower.diff.header.status -side left
3977pack .vpane.lower.diff.header.file -side left
3978pack .vpane.lower.diff.header.path -fill x
3979set ctxm .vpane.lower.diff.header.ctxm
3980menu $ctxm -tearoff 0
3981$ctxm add command \
3982        -label {Copy} \
3983        -font font_ui \
3984        -command {
3985                clipboard clear
3986                clipboard append \
3987                        -format STRING \
3988                        -type STRING \
3989                        -- $current_diff_path
3990        }
3991lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3992bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3993
3994# -- Diff Body
3995#
3996frame .vpane.lower.diff.body
3997set ui_diff .vpane.lower.diff.body.t
3998text $ui_diff -background white -borderwidth 0 \
3999        -width 80 -height 15 -wrap none \
4000        -font font_diff \
4001        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
4002        -yscrollcommand {.vpane.lower.diff.body.sby set} \
4003        -state disabled
4004scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
4005        -command [list $ui_diff xview]
4006scrollbar .vpane.lower.diff.body.sby -orient vertical \
4007        -command [list $ui_diff yview]
4008pack .vpane.lower.diff.body.sbx -side bottom -fill x
4009pack .vpane.lower.diff.body.sby -side right -fill y
4010pack $ui_diff -side left -fill both -expand 1
4011pack .vpane.lower.diff.header -side top -fill x
4012pack .vpane.lower.diff.body -side bottom -fill both -expand 1
4013
4014$ui_diff tag conf d_@ -foreground blue -font font_diffbold
4015$ui_diff tag conf d_+ -foreground {#00a000}
4016$ui_diff tag conf d_- -foreground red
4017
4018$ui_diff tag conf d_++ -foreground {#00a000}
4019$ui_diff tag conf d_-- -foreground red
4020$ui_diff tag conf d_+s \
4021        -foreground {#00a000} \
4022        -background {#e2effa}
4023$ui_diff tag conf d_-s \
4024        -foreground red \
4025        -background {#e2effa}
4026$ui_diff tag conf d_s+ \
4027        -foreground {#00a000} \
4028        -background ivory1
4029$ui_diff tag conf d_s- \
4030        -foreground red \
4031        -background ivory1
4032
4033$ui_diff tag conf d<<<<<<< \
4034        -foreground orange \
4035        -font font_diffbold
4036$ui_diff tag conf d======= \
4037        -foreground orange \
4038        -font font_diffbold
4039$ui_diff tag conf d>>>>>>> \
4040        -foreground orange \
4041        -font font_diffbold
4042
4043$ui_diff tag raise sel
4044
4045# -- Diff Body Context Menu
4046#
4047set ctxm .vpane.lower.diff.body.ctxm
4048menu $ctxm -tearoff 0
4049$ctxm add command \
4050        -label {Refresh} \
4051        -font font_ui \
4052        -command reshow_diff
4053$ctxm add command \
4054        -label {Copy} \
4055        -font font_ui \
4056        -command {tk_textCopy $ui_diff}
4057lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4058$ctxm add command \
4059        -label {Select All} \
4060        -font font_ui \
4061        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
4062lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4063$ctxm add command \
4064        -label {Copy All} \
4065        -font font_ui \
4066        -command {
4067                $ui_diff tag add sel 0.0 end
4068                tk_textCopy $ui_diff
4069                $ui_diff tag remove sel 0.0 end
4070        }
4071lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4072$ctxm add separator
4073$ctxm add command \
4074        -label {Decrease Font Size} \
4075        -font font_ui \
4076        -command {incr_font_size font_diff -1}
4077lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4078$ctxm add command \
4079        -label {Increase Font Size} \
4080        -font font_ui \
4081        -command {incr_font_size font_diff 1}
4082lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4083$ctxm add separator
4084$ctxm add command \
4085        -label {Show Less Context} \
4086        -font font_ui \
4087        -command {if {$repo_config(gui.diffcontext) >= 2} {
4088                incr repo_config(gui.diffcontext) -1
4089                reshow_diff
4090        }}
4091lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4092$ctxm add command \
4093        -label {Show More Context} \
4094        -font font_ui \
4095        -command {
4096                incr repo_config(gui.diffcontext)
4097                reshow_diff
4098        }
4099lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4100$ctxm add separator
4101$ctxm add command -label {Options...} \
4102        -font font_ui \
4103        -command do_options
4104bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
4105
4106# -- Status Bar
4107#
4108set ui_status_value {Initializing...}
4109label .status -textvariable ui_status_value \
4110        -anchor w \
4111        -justify left \
4112        -borderwidth 1 \
4113        -relief sunken \
4114        -font font_ui
4115pack .status -anchor w -side bottom -fill x
4116
4117# -- Load geometry
4118#
4119catch {
4120set gm $repo_config(gui.geometry)
4121wm geometry . [lindex $gm 0]
4122.vpane sash place 0 \
4123        [lindex [.vpane sash coord 0] 0] \
4124        [lindex $gm 1]
4125.vpane.files sash place 0 \
4126        [lindex $gm 2] \
4127        [lindex [.vpane.files sash coord 0] 1]
4128unset gm
4129}
4130
4131# -- Key Bindings
4132#
4133bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4134bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4135bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4136bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4137bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4138bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4139bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4140bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4141bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4142bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4143bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4144
4145bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4146bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4147bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4148bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4149bind $ui_diff <$M1B-Key-v> {break}
4150bind $ui_diff <$M1B-Key-V> {break}
4151bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4152bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4153bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4154bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4155bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4156bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4157
4158if {!$single_commit} {
4159        bind . <$M1B-Key-n> do_create_branch
4160        bind . <$M1B-Key-N> do_create_branch
4161}
4162
4163bind .   <Destroy> do_quit
4164bind all <Key-F5> do_rescan
4165bind all <$M1B-Key-r> do_rescan
4166bind all <$M1B-Key-R> do_rescan
4167bind .   <$M1B-Key-s> do_signoff
4168bind .   <$M1B-Key-S> do_signoff
4169bind .   <$M1B-Key-i> do_add_all
4170bind .   <$M1B-Key-I> do_add_all
4171bind .   <$M1B-Key-Return> do_commit
4172bind all <$M1B-Key-q> do_quit
4173bind all <$M1B-Key-Q> do_quit
4174bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4175bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4176foreach i [list $ui_index $ui_workdir] {
4177        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4178        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4179        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4180}
4181unset i
4182
4183set file_lists($ui_index) [list]
4184set file_lists($ui_workdir) [list]
4185
4186set HEAD {}
4187set PARENT {}
4188set MERGE_HEAD [list]
4189set commit_type {}
4190set empty_tree {}
4191set current_branch {}
4192set current_diff_path {}
4193set selected_commit_type new
4194
4195wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4196focus -force $ui_comm
4197
4198# -- Warn the user about environmental problems.  Cygwin's Tcl
4199#    does *not* pass its env array onto any processes it spawns.
4200#    This means that git processes get none of our environment.
4201#
4202if {[is_Windows]} {
4203        set ignored_env 0
4204        set suggest_user {}
4205        set msg "Possible environment issues exist.
4206
4207The following environment variables are probably
4208going to be ignored by any Git subprocess run
4209by [appname]:
4210
4211"
4212        foreach name [array names env] {
4213                switch -regexp -- $name {
4214                {^GIT_INDEX_FILE$} -
4215                {^GIT_OBJECT_DIRECTORY$} -
4216                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4217                {^GIT_DIFF_OPTS$} -
4218                {^GIT_EXTERNAL_DIFF$} -
4219                {^GIT_PAGER$} -
4220                {^GIT_TRACE$} -
4221                {^GIT_CONFIG$} -
4222                {^GIT_CONFIG_LOCAL$} -
4223                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4224                        append msg " - $name\n"
4225                        incr ignored_env
4226                }
4227                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4228                        append msg " - $name\n"
4229                        incr ignored_env
4230                        set suggest_user $name
4231                }
4232                }
4233        }
4234        if {$ignored_env > 0} {
4235                append msg "
4236This is due to a known issue with the
4237Tcl binary distributed by Cygwin."
4238
4239                if {$suggest_user ne {}} {
4240                        append msg "
4241
4242A good replacement for $suggest_user
4243is placing values for the user.name and
4244user.email settings into your personal
4245~/.gitconfig file.
4246"
4247                }
4248                warn_popup $msg
4249        }
4250        unset ignored_env msg suggest_user name
4251}
4252
4253# -- Only initialize complex UI if we are going to stay running.
4254#
4255if {!$single_commit} {
4256        load_all_remotes
4257        load_all_heads
4258
4259        populate_branch_menu
4260        populate_fetch_menu .mbar.fetch
4261        populate_pull_menu .mbar.pull
4262        populate_push_menu .mbar.push
4263}
4264
4265# -- Only suggest a gc run if we are going to stay running.
4266#
4267if {!$single_commit} {
4268        set object_limit 2000
4269        if {[is_Windows]} {set object_limit 200}
4270        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4271        if {$objects_current >= $object_limit} {
4272                if {[ask_popup \
4273                        "This repository currently has $objects_current loose objects.
4274
4275To maintain optimal performance it is strongly
4276recommended that you compress the database
4277when more than $object_limit loose objects exist.
4278
4279Compress the database now?"] eq yes} {
4280                        do_gc
4281                }
4282        }
4283        unset object_limit _junk objects_current
4284}
4285
4286lock_index begin-read
4287after 1 do_rescan