git-gui.shon commit git-gui: Use a grid layout for branch dialog. (66cc17d)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GIT_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _reponame {}
  30
  31proc appname {} {
  32        global _appname
  33        return $_appname
  34}
  35
  36proc gitdir {args} {
  37        global _gitdir
  38        if {$args eq {}} {
  39                return $_gitdir
  40        }
  41        return [eval [concat [list file join $_gitdir] $args]]
  42}
  43
  44proc reponame {} {
  45        global _reponame
  46        return $_reponame
  47}
  48
  49######################################################################
  50##
  51## config
  52
  53proc is_many_config {name} {
  54        switch -glob -- $name {
  55        remote.*.fetch -
  56        remote.*.push
  57                {return 1}
  58        *
  59                {return 0}
  60        }
  61}
  62
  63proc load_config {include_global} {
  64        global repo_config global_config default_config
  65
  66        array unset global_config
  67        if {$include_global} {
  68                catch {
  69                        set fd_rc [open "| git repo-config --global --list" r]
  70                        while {[gets $fd_rc line] >= 0} {
  71                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  72                                        if {[is_many_config $name]} {
  73                                                lappend global_config($name) $value
  74                                        } else {
  75                                                set global_config($name) $value
  76                                        }
  77                                }
  78                        }
  79                        close $fd_rc
  80                }
  81        }
  82
  83        array unset repo_config
  84        catch {
  85                set fd_rc [open "| git repo-config --list" r]
  86                while {[gets $fd_rc line] >= 0} {
  87                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  88                                if {[is_many_config $name]} {
  89                                        lappend repo_config($name) $value
  90                                } else {
  91                                        set repo_config($name) $value
  92                                }
  93                        }
  94                }
  95                close $fd_rc
  96        }
  97
  98        foreach name [array names default_config] {
  99                if {[catch {set v $global_config($name)}]} {
 100                        set global_config($name) $default_config($name)
 101                }
 102                if {[catch {set v $repo_config($name)}]} {
 103                        set repo_config($name) $default_config($name)
 104                }
 105        }
 106}
 107
 108proc save_config {} {
 109        global default_config font_descs
 110        global repo_config global_config
 111        global repo_config_new global_config_new
 112
 113        foreach option $font_descs {
 114                set name [lindex $option 0]
 115                set font [lindex $option 1]
 116                font configure $font \
 117                        -family $global_config_new(gui.$font^^family) \
 118                        -size $global_config_new(gui.$font^^size)
 119                font configure ${font}bold \
 120                        -family $global_config_new(gui.$font^^family) \
 121                        -size $global_config_new(gui.$font^^size)
 122                set global_config_new(gui.$name) [font configure $font]
 123                unset global_config_new(gui.$font^^family)
 124                unset global_config_new(gui.$font^^size)
 125        }
 126
 127        foreach name [array names default_config] {
 128                set value $global_config_new($name)
 129                if {$value ne $global_config($name)} {
 130                        if {$value eq $default_config($name)} {
 131                                catch {exec git repo-config --global --unset $name}
 132                        } else {
 133                                regsub -all "\[{}\]" $value {"} value
 134                                exec git repo-config --global $name $value
 135                        }
 136                        set global_config($name) $value
 137                        if {$value eq $repo_config($name)} {
 138                                catch {exec git repo-config --unset $name}
 139                                set repo_config($name) $value
 140                        }
 141                }
 142        }
 143
 144        foreach name [array names default_config] {
 145                set value $repo_config_new($name)
 146                if {$value ne $repo_config($name)} {
 147                        if {$value eq $global_config($name)} {
 148                                catch {exec git repo-config --unset $name}
 149                        } else {
 150                                regsub -all "\[{}\]" $value {"} value
 151                                exec git repo-config $name $value
 152                        }
 153                        set repo_config($name) $value
 154                }
 155        }
 156}
 157
 158proc error_popup {msg} {
 159        set title [appname]
 160        if {[reponame] ne {}} {
 161                append title " ([reponame])"
 162        }
 163        set cmd [list tk_messageBox \
 164                -icon error \
 165                -type ok \
 166                -title "$title: error" \
 167                -message $msg]
 168        if {[winfo ismapped .]} {
 169                lappend cmd -parent .
 170        }
 171        eval $cmd
 172}
 173
 174proc warn_popup {msg} {
 175        set title [appname]
 176        if {[reponame] ne {}} {
 177                append title " ([reponame])"
 178        }
 179        set cmd [list tk_messageBox \
 180                -icon warning \
 181                -type ok \
 182                -title "$title: warning" \
 183                -message $msg]
 184        if {[winfo ismapped .]} {
 185                lappend cmd -parent .
 186        }
 187        eval $cmd
 188}
 189
 190proc info_popup {msg} {
 191        set title [appname]
 192        if {[reponame] ne {}} {
 193                append title " ([reponame])"
 194        }
 195        tk_messageBox \
 196                -parent . \
 197                -icon info \
 198                -type ok \
 199                -title $title \
 200                -message $msg
 201}
 202
 203proc ask_popup {msg} {
 204        set title [appname]
 205        if {[reponame] ne {}} {
 206                append title " ([reponame])"
 207        }
 208        return [tk_messageBox \
 209                -parent . \
 210                -icon question \
 211                -type yesno \
 212                -title $title \
 213                -message $msg]
 214}
 215
 216######################################################################
 217##
 218## repository setup
 219
 220if {   [catch {set _gitdir $env(GIT_DIR)}]
 221        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 222        catch {wm withdraw .}
 223        error_popup "Cannot find the git directory:\n\n$err"
 224        exit 1
 225}
 226if {![file isdirectory $_gitdir]} {
 227        catch {wm withdraw .}
 228        error_popup "Git directory not found:\n\n$_gitdir"
 229        exit 1
 230}
 231if {[lindex [file split $_gitdir] end] ne {.git}} {
 232        catch {wm withdraw .}
 233        error_popup "Cannot use funny .git directory:\n\n$gitdir"
 234        exit 1
 235}
 236if {[catch {cd [file dirname $_gitdir]} err]} {
 237        catch {wm withdraw .}
 238        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 239        exit 1
 240}
 241set _reponame [lindex [file split \
 242        [file normalize [file dirname $_gitdir]]] \
 243        end]
 244
 245set single_commit 0
 246if {[appname] eq {git-citool}} {
 247        set single_commit 1
 248}
 249
 250######################################################################
 251##
 252## task management
 253
 254set rescan_active 0
 255set diff_active 0
 256set last_clicked {}
 257
 258set disable_on_lock [list]
 259set index_lock_type none
 260
 261proc lock_index {type} {
 262        global index_lock_type disable_on_lock
 263
 264        if {$index_lock_type eq {none}} {
 265                set index_lock_type $type
 266                foreach w $disable_on_lock {
 267                        uplevel #0 $w disabled
 268                }
 269                return 1
 270        } elseif {$index_lock_type eq "begin-$type"} {
 271                set index_lock_type $type
 272                return 1
 273        }
 274        return 0
 275}
 276
 277proc unlock_index {} {
 278        global index_lock_type disable_on_lock
 279
 280        set index_lock_type none
 281        foreach w $disable_on_lock {
 282                uplevel #0 $w normal
 283        }
 284}
 285
 286######################################################################
 287##
 288## status
 289
 290proc repository_state {ctvar hdvar mhvar} {
 291        global current_branch
 292        upvar $ctvar ct $hdvar hd $mhvar mh
 293
 294        set mh [list]
 295
 296        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 297                set current_branch {}
 298        } else {
 299                regsub ^refs/((heads|tags|remotes)/)? \
 300                        $current_branch \
 301                        {} \
 302                        current_branch
 303        }
 304
 305        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 306                set hd {}
 307                set ct initial
 308                return
 309        }
 310
 311        set merge_head [gitdir MERGE_HEAD]
 312        if {[file exists $merge_head]} {
 313                set ct merge
 314                set fd_mh [open $merge_head r]
 315                while {[gets $fd_mh line] >= 0} {
 316                        lappend mh $line
 317                }
 318                close $fd_mh
 319                return
 320        }
 321
 322        set ct normal
 323}
 324
 325proc PARENT {} {
 326        global PARENT empty_tree
 327
 328        set p [lindex $PARENT 0]
 329        if {$p ne {}} {
 330                return $p
 331        }
 332        if {$empty_tree eq {}} {
 333                set empty_tree [exec git mktree << {}]
 334        }
 335        return $empty_tree
 336}
 337
 338proc rescan {after} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$rescan_active > 0 || ![lock_index read]} return
 345
 346        repository_state newType newHEAD newMERGE_HEAD
 347        if {[string match amend* $commit_type]
 348                && $newType eq {normal}
 349                && $newHEAD eq $HEAD} {
 350        } else {
 351                set HEAD $newHEAD
 352                set PARENT $newHEAD
 353                set MERGE_HEAD $newMERGE_HEAD
 354                set commit_type $newType
 355        }
 356
 357        array unset file_states
 358
 359        if {![$ui_comm edit modified]
 360                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                if {[load_message GITGUI_MSG]} {
 362                } elseif {[load_message MERGE_MSG]} {
 363                } elseif {[load_message SQUASH_MSG]} {
 364                }
 365                $ui_comm edit reset
 366                $ui_comm edit modified false
 367        }
 368
 369        if {$repo_config(gui.trustmtime) eq {true}} {
 370                rescan_stage2 {} $after
 371        } else {
 372                set rescan_active 1
 373                set ui_status_value {Refreshing file status...}
 374                set cmd [list git update-index]
 375                lappend cmd -q
 376                lappend cmd --unmerged
 377                lappend cmd --ignore-missing
 378                lappend cmd --refresh
 379                set fd_rf [open "| $cmd" r]
 380                fconfigure $fd_rf -blocking 0 -translation binary
 381                fileevent $fd_rf readable \
 382                        [list rescan_stage2 $fd_rf $after]
 383        }
 384}
 385
 386proc rescan_stage2 {fd after} {
 387        global ui_status_value
 388        global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390        if {$fd ne {}} {
 391                read $fd
 392                if {![eof $fd]} return
 393                close $fd
 394        }
 395
 396        set ls_others [list | git ls-files --others -z \
 397                --exclude-per-directory=.gitignore]
 398        set info_exclude [gitdir info exclude]
 399        if {[file readable $info_exclude]} {
 400                lappend ls_others "--exclude-from=$info_exclude"
 401        }
 402
 403        set buf_rdi {}
 404        set buf_rdf {}
 405        set buf_rlo {}
 406
 407        set rescan_active 3
 408        set ui_status_value {Scanning for modified files ...}
 409        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410        set fd_df [open "| git diff-files -z" r]
 411        set fd_lo [open $ls_others r]
 412
 413        fconfigure $fd_di -blocking 0 -translation binary
 414        fconfigure $fd_df -blocking 0 -translation binary
 415        fconfigure $fd_lo -blocking 0 -translation binary
 416        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 417        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 418        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 419}
 420
 421proc load_message {file} {
 422        global ui_comm
 423
 424        set f [gitdir $file]
 425        if {[file isfile $f]} {
 426                if {[catch {set fd [open $f r]}]} {
 427                        return 0
 428                }
 429                set content [string trim [read $fd]]
 430                close $fd
 431                $ui_comm delete 0.0 end
 432                $ui_comm insert end $content
 433                return 1
 434        }
 435        return 0
 436}
 437
 438proc read_diff_index {fd after} {
 439        global buf_rdi
 440
 441        append buf_rdi [read $fd]
 442        set c 0
 443        set n [string length $buf_rdi]
 444        while {$c < $n} {
 445                set z1 [string first "\0" $buf_rdi $c]
 446                if {$z1 == -1} break
 447                incr z1
 448                set z2 [string first "\0" $buf_rdi $z1]
 449                if {$z2 == -1} break
 450
 451                incr c
 452                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 453                merge_state \
 454                        [string range $buf_rdi $z1 [expr {$z2 - 1}]] \
 455                        [lindex $i 4]? \
 456                        [list [lindex $i 0] [lindex $i 2]] \
 457                        [list]
 458                set c $z2
 459                incr c
 460        }
 461        if {$c < $n} {
 462                set buf_rdi [string range $buf_rdi $c end]
 463        } else {
 464                set buf_rdi {}
 465        }
 466
 467        rescan_done $fd buf_rdi $after
 468}
 469
 470proc read_diff_files {fd after} {
 471        global buf_rdf
 472
 473        append buf_rdf [read $fd]
 474        set c 0
 475        set n [string length $buf_rdf]
 476        while {$c < $n} {
 477                set z1 [string first "\0" $buf_rdf $c]
 478                if {$z1 == -1} break
 479                incr z1
 480                set z2 [string first "\0" $buf_rdf $z1]
 481                if {$z2 == -1} break
 482
 483                incr c
 484                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 485                merge_state \
 486                        [string range $buf_rdf $z1 [expr {$z2 - 1}]] \
 487                        ?[lindex $i 4] \
 488                        [list] \
 489                        [list [lindex $i 0] [lindex $i 2]]
 490                set c $z2
 491                incr c
 492        }
 493        if {$c < $n} {
 494                set buf_rdf [string range $buf_rdf $c end]
 495        } else {
 496                set buf_rdf {}
 497        }
 498
 499        rescan_done $fd buf_rdf $after
 500}
 501
 502proc read_ls_others {fd after} {
 503        global buf_rlo
 504
 505        append buf_rlo [read $fd]
 506        set pck [split $buf_rlo "\0"]
 507        set buf_rlo [lindex $pck end]
 508        foreach p [lrange $pck 0 end-1] {
 509                merge_state $p ?O
 510        }
 511        rescan_done $fd buf_rlo $after
 512}
 513
 514proc rescan_done {fd buf after} {
 515        global rescan_active
 516        global file_states repo_config
 517        upvar $buf to_clear
 518
 519        if {![eof $fd]} return
 520        set to_clear {}
 521        close $fd
 522        if {[incr rescan_active -1] > 0} return
 523
 524        prune_selection
 525        unlock_index
 526        display_all_files
 527        reshow_diff
 528        uplevel #0 $after
 529}
 530
 531proc prune_selection {} {
 532        global file_states selected_paths
 533
 534        foreach path [array names selected_paths] {
 535                if {[catch {set still_here $file_states($path)}]} {
 536                        unset selected_paths($path)
 537                }
 538        }
 539}
 540
 541######################################################################
 542##
 543## diff
 544
 545proc clear_diff {} {
 546        global ui_diff current_diff_path ui_index ui_workdir
 547
 548        $ui_diff conf -state normal
 549        $ui_diff delete 0.0 end
 550        $ui_diff conf -state disabled
 551
 552        set current_diff_path {}
 553
 554        $ui_index tag remove in_diff 0.0 end
 555        $ui_workdir tag remove in_diff 0.0 end
 556}
 557
 558proc reshow_diff {} {
 559        global ui_status_value file_states file_lists
 560        global current_diff_path current_diff_side
 561
 562        set p $current_diff_path
 563        if {$p eq {}
 564                || $current_diff_side eq {}
 565                || [catch {set s $file_states($p)}]
 566                || [lsearch -sorted $file_lists($current_diff_side) $p] == -1} {
 567                clear_diff
 568        } else {
 569                show_diff $p $current_diff_side
 570        }
 571}
 572
 573proc handle_empty_diff {} {
 574        global current_diff_path file_states file_lists
 575
 576        set path $current_diff_path
 577        set s $file_states($path)
 578        if {[lindex $s 0] ne {_M}} return
 579
 580        info_popup "No differences detected.
 581
 582[short_path $path] has no changes.
 583
 584The modification date of this file was updated
 585by another application and you currently have
 586the Trust File Modification Timestamps option
 587enabled, so Git did not automatically detect
 588that there are no content differences in this
 589file.
 590
 591This file will now be removed from the modified
 592files list, to prevent possible confusion.
 593"
 594        if {[catch {exec git update-index -- $path} err]} {
 595                error_popup "Failed to refresh index:\n\n$err"
 596        }
 597
 598        clear_diff
 599        display_file $path __
 600}
 601
 602proc show_diff {path w {lno {}}} {
 603        global file_states file_lists
 604        global is_3way_diff diff_active repo_config
 605        global ui_diff ui_status_value ui_index ui_workdir
 606        global current_diff_path current_diff_side
 607
 608        if {$diff_active || ![lock_index read]} return
 609
 610        clear_diff
 611        if {$w eq {} || $lno == {}} {
 612                foreach w [array names file_lists] {
 613                        set lno [lsearch -sorted $file_lists($w) $path]
 614                        if {$lno >= 0} {
 615                                incr lno
 616                                break
 617                        }
 618                }
 619        }
 620        if {$w ne {} && $lno >= 1} {
 621                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 622        }
 623
 624        set s $file_states($path)
 625        set m [lindex $s 0]
 626        set is_3way_diff 0
 627        set diff_active 1
 628        set current_diff_path $path
 629        set current_diff_side $w
 630        set ui_status_value "Loading diff of [escape_path $path]..."
 631
 632        # - Git won't give us the diff, there's nothing to compare to!
 633        #
 634        if {$m eq {_O}} {
 635                if {[catch {
 636                                set fd [open $path r]
 637                                set content [read $fd]
 638                                close $fd
 639                        } err ]} {
 640                        set diff_active 0
 641                        unlock_index
 642                        set ui_status_value "Unable to display [escape_path $path]"
 643                        error_popup "Error loading file:\n\n$err"
 644                        return
 645                }
 646                $ui_diff conf -state normal
 647                $ui_diff insert end $content
 648                $ui_diff conf -state disabled
 649                set diff_active 0
 650                unlock_index
 651                set ui_status_value {Ready.}
 652                return
 653        }
 654
 655        set cmd [list | git]
 656        if {$w eq $ui_index} {
 657                lappend cmd diff-index
 658                lappend cmd --cached
 659        } elseif {$w eq $ui_workdir} {
 660                if {[string index $m 0] eq {U}} {
 661                        lappend cmd diff
 662                } else {
 663                        lappend cmd diff-files
 664                }
 665        }
 666
 667        lappend cmd -p
 668        lappend cmd --no-color
 669        if {$repo_config(gui.diffcontext) > 0} {
 670                lappend cmd "-U$repo_config(gui.diffcontext)"
 671        }
 672        if {$w eq $ui_index} {
 673                lappend cmd [PARENT]
 674        }
 675        lappend cmd --
 676        lappend cmd $path
 677
 678        if {[catch {set fd [open $cmd r]} err]} {
 679                set diff_active 0
 680                unlock_index
 681                set ui_status_value "Unable to display [escape_path $path]"
 682                error_popup "Error loading diff:\n\n$err"
 683                return
 684        }
 685
 686        fconfigure $fd -blocking 0 -translation auto
 687        fileevent $fd readable [list read_diff $fd]
 688}
 689
 690proc read_diff {fd} {
 691        global ui_diff ui_status_value is_3way_diff diff_active
 692        global repo_config
 693
 694        $ui_diff conf -state normal
 695        while {[gets $fd line] >= 0} {
 696                # -- Cleanup uninteresting diff header lines.
 697                #
 698                if {[string match {diff --git *}      $line]} continue
 699                if {[string match {diff --cc *}       $line]} continue
 700                if {[string match {diff --combined *} $line]} continue
 701                if {[string match {--- *}             $line]} continue
 702                if {[string match {+++ *}             $line]} continue
 703                if {$line eq {deleted file mode 120000}} {
 704                        set line "deleted symlink"
 705                }
 706
 707                # -- Automatically detect if this is a 3 way diff.
 708                #
 709                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 710
 711                if {[string match {index *} $line]} {
 712                        set tags {}
 713                } elseif {$is_3way_diff} {
 714                        set op [string range $line 0 1]
 715                        switch -- $op {
 716                        {  } {set tags {}}
 717                        {@@} {set tags d_@}
 718                        { +} {set tags d_s+}
 719                        { -} {set tags d_s-}
 720                        {+ } {set tags d_+s}
 721                        {- } {set tags d_-s}
 722                        {--} {set tags d_--}
 723                        {++} {
 724                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 725                                        set line [string replace $line 0 1 {  }]
 726                                        set tags d$op
 727                                } else {
 728                                        set tags d_++
 729                                }
 730                        }
 731                        default {
 732                                puts "error: Unhandled 3 way diff marker: {$op}"
 733                                set tags {}
 734                        }
 735                        }
 736                } else {
 737                        set op [string index $line 0]
 738                        switch -- $op {
 739                        { } {set tags {}}
 740                        {@} {set tags d_@}
 741                        {-} {set tags d_-}
 742                        {+} {
 743                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 744                                        set line [string replace $line 0 0 { }]
 745                                        set tags d$op
 746                                } else {
 747                                        set tags d_+
 748                                }
 749                        }
 750                        default {
 751                                puts "error: Unhandled 2 way diff marker: {$op}"
 752                                set tags {}
 753                        }
 754                        }
 755                }
 756                $ui_diff insert end $line $tags
 757                $ui_diff insert end "\n" $tags
 758        }
 759        $ui_diff conf -state disabled
 760
 761        if {[eof $fd]} {
 762                close $fd
 763                set diff_active 0
 764                unlock_index
 765                set ui_status_value {Ready.}
 766
 767                if {$repo_config(gui.trustmtime) eq {true}
 768                        && [$ui_diff index end] eq {2.0}} {
 769                        handle_empty_diff
 770                }
 771        }
 772}
 773
 774######################################################################
 775##
 776## commit
 777
 778proc load_last_commit {} {
 779        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 780
 781        if {[llength $PARENT] == 0} {
 782                error_popup {There is nothing to amend.
 783
 784You are about to create the initial commit.
 785There is no commit before this to amend.
 786}
 787                return
 788        }
 789
 790        repository_state curType curHEAD curMERGE_HEAD
 791        if {$curType eq {merge}} {
 792                error_popup {Cannot amend while merging.
 793
 794You are currently in the middle of a merge that
 795has not been fully completed.  You cannot amend
 796the prior commit unless you first abort the
 797current merge activity.
 798}
 799                return
 800        }
 801
 802        set msg {}
 803        set parents [list]
 804        if {[catch {
 805                        set fd [open "| git cat-file commit $curHEAD" r]
 806                        while {[gets $fd line] > 0} {
 807                                if {[string match {parent *} $line]} {
 808                                        lappend parents [string range $line 7 end]
 809                                }
 810                        }
 811                        set msg [string trim [read $fd]]
 812                        close $fd
 813                } err]} {
 814                error_popup "Error loading commit data for amend:\n\n$err"
 815                return
 816        }
 817
 818        set HEAD $curHEAD
 819        set PARENT $parents
 820        set MERGE_HEAD [list]
 821        switch -- [llength $parents] {
 822        0       {set commit_type amend-initial}
 823        1       {set commit_type amend}
 824        default {set commit_type amend-merge}
 825        }
 826
 827        $ui_comm delete 0.0 end
 828        $ui_comm insert end $msg
 829        $ui_comm edit reset
 830        $ui_comm edit modified false
 831        rescan {set ui_status_value {Ready.}}
 832}
 833
 834proc create_new_commit {} {
 835        global commit_type ui_comm
 836
 837        set commit_type normal
 838        $ui_comm delete 0.0 end
 839        $ui_comm edit reset
 840        $ui_comm edit modified false
 841        rescan {set ui_status_value {Ready.}}
 842}
 843
 844set GIT_COMMITTER_IDENT {}
 845
 846proc committer_ident {} {
 847        global GIT_COMMITTER_IDENT
 848
 849        if {$GIT_COMMITTER_IDENT eq {}} {
 850                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 851                        error_popup "Unable to obtain your identity:\n\n$err"
 852                        return {}
 853                }
 854                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 855                        $me me GIT_COMMITTER_IDENT]} {
 856                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 857                        return {}
 858                }
 859        }
 860
 861        return $GIT_COMMITTER_IDENT
 862}
 863
 864proc commit_tree {} {
 865        global HEAD commit_type file_states ui_comm repo_config
 866        global ui_status_value pch_error
 867
 868        if {![lock_index update]} return
 869        if {[committer_ident] eq {}} return
 870
 871        # -- Our in memory state should match the repository.
 872        #
 873        repository_state curType curHEAD curMERGE_HEAD
 874        if {[string match amend* $commit_type]
 875                && $curType eq {normal}
 876                && $curHEAD eq $HEAD} {
 877        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 878                info_popup {Last scanned state does not match repository state.
 879
 880Another Git program has modified this repository
 881since the last scan.  A rescan must be performed
 882before another commit can be created.
 883
 884The rescan will be automatically started now.
 885}
 886                unlock_index
 887                rescan {set ui_status_value {Ready.}}
 888                return
 889        }
 890
 891        # -- At least one file should differ in the index.
 892        #
 893        set files_ready 0
 894        foreach path [array names file_states] {
 895                switch -glob -- [lindex $file_states($path) 0] {
 896                _? {continue}
 897                A? -
 898                D? -
 899                M? {set files_ready 1}
 900                U? {
 901                        error_popup "Unmerged files cannot be committed.
 902
 903File [short_path $path] has merge conflicts.
 904You must resolve them and add the file before committing.
 905"
 906                        unlock_index
 907                        return
 908                }
 909                default {
 910                        error_popup "Unknown file state [lindex $s 0] detected.
 911
 912File [short_path $path] cannot be committed by this program.
 913"
 914                }
 915                }
 916        }
 917        if {!$files_ready} {
 918                error_popup {No changes to commit.
 919
 920You must add at least 1 file before you can commit.
 921}
 922                unlock_index
 923                return
 924        }
 925
 926        # -- A message is required.
 927        #
 928        set msg [string trim [$ui_comm get 1.0 end]]
 929        if {$msg eq {}} {
 930                error_popup {Please supply a commit message.
 931
 932A good commit message has the following format:
 933
 934- First line: Describe in one sentance what you did.
 935- Second line: Blank
 936- Remaining lines: Describe why this change is good.
 937}
 938                unlock_index
 939                return
 940        }
 941
 942        # -- Run the pre-commit hook.
 943        #
 944        set pchook [gitdir hooks pre-commit]
 945
 946        # On Cygwin [file executable] might lie so we need to ask
 947        # the shell if the hook is executable.  Yes that's annoying.
 948        #
 949        if {[is_Windows] && [file isfile $pchook]} {
 950                set pchook [list sh -c [concat \
 951                        "if test -x \"$pchook\";" \
 952                        "then exec \"$pchook\" 2>&1;" \
 953                        "fi"]]
 954        } elseif {[file executable $pchook]} {
 955                set pchook [list $pchook |& cat]
 956        } else {
 957                commit_writetree $curHEAD $msg
 958                return
 959        }
 960
 961        set ui_status_value {Calling pre-commit hook...}
 962        set pch_error {}
 963        set fd_ph [open "| $pchook" r]
 964        fconfigure $fd_ph -blocking 0 -translation binary
 965        fileevent $fd_ph readable \
 966                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 967}
 968
 969proc commit_prehook_wait {fd_ph curHEAD msg} {
 970        global pch_error ui_status_value
 971
 972        append pch_error [read $fd_ph]
 973        fconfigure $fd_ph -blocking 1
 974        if {[eof $fd_ph]} {
 975                if {[catch {close $fd_ph}]} {
 976                        set ui_status_value {Commit declined by pre-commit hook.}
 977                        hook_failed_popup pre-commit $pch_error
 978                        unlock_index
 979                } else {
 980                        commit_writetree $curHEAD $msg
 981                }
 982                set pch_error {}
 983                return
 984        }
 985        fconfigure $fd_ph -blocking 0
 986}
 987
 988proc commit_writetree {curHEAD msg} {
 989        global ui_status_value
 990
 991        set ui_status_value {Committing changes...}
 992        set fd_wt [open "| git write-tree" r]
 993        fileevent $fd_wt readable \
 994                [list commit_committree $fd_wt $curHEAD $msg]
 995}
 996
 997proc commit_committree {fd_wt curHEAD msg} {
 998        global HEAD PARENT MERGE_HEAD commit_type
 999        global single_commit
1000        global ui_status_value ui_comm selected_commit_type
1001        global file_states selected_paths rescan_active
1002
1003        gets $fd_wt tree_id
1004        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1005                error_popup "write-tree failed:\n\n$err"
1006                set ui_status_value {Commit failed.}
1007                unlock_index
1008                return
1009        }
1010
1011        # -- Create the commit.
1012        #
1013        set cmd [list git commit-tree $tree_id]
1014        set parents [concat $PARENT $MERGE_HEAD]
1015        if {[llength $parents] > 0} {
1016                foreach p $parents {
1017                        lappend cmd -p $p
1018                }
1019        } else {
1020                # git commit-tree writes to stderr during initial commit.
1021                lappend cmd 2>/dev/null
1022        }
1023        lappend cmd << $msg
1024        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1025                error_popup "commit-tree failed:\n\n$err"
1026                set ui_status_value {Commit failed.}
1027                unlock_index
1028                return
1029        }
1030
1031        # -- Update the HEAD ref.
1032        #
1033        set reflogm commit
1034        if {$commit_type ne {normal}} {
1035                append reflogm " ($commit_type)"
1036        }
1037        set i [string first "\n" $msg]
1038        if {$i >= 0} {
1039                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1040        } else {
1041                append reflogm {: } $msg
1042        }
1043        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1044        if {[catch {eval exec $cmd} err]} {
1045                error_popup "update-ref failed:\n\n$err"
1046                set ui_status_value {Commit failed.}
1047                unlock_index
1048                return
1049        }
1050
1051        # -- Cleanup after ourselves.
1052        #
1053        catch {file delete [gitdir MERGE_HEAD]}
1054        catch {file delete [gitdir MERGE_MSG]}
1055        catch {file delete [gitdir SQUASH_MSG]}
1056        catch {file delete [gitdir GITGUI_MSG]}
1057
1058        # -- Let rerere do its thing.
1059        #
1060        if {[file isdirectory [gitdir rr-cache]]} {
1061                catch {exec git rerere}
1062        }
1063
1064        # -- Run the post-commit hook.
1065        #
1066        set pchook [gitdir hooks post-commit]
1067        if {[is_Windows] && [file isfile $pchook]} {
1068                set pchook [list sh -c [concat \
1069                        "if test -x \"$pchook\";" \
1070                        "then exec \"$pchook\";" \
1071                        "fi"]]
1072        } elseif {![file executable $pchook]} {
1073                set pchook {}
1074        }
1075        if {$pchook ne {}} {
1076                catch {exec $pchook &}
1077        }
1078
1079        $ui_comm delete 0.0 end
1080        $ui_comm edit reset
1081        $ui_comm edit modified false
1082
1083        if {$single_commit} do_quit
1084
1085        # -- Update in memory status
1086        #
1087        set selected_commit_type new
1088        set commit_type normal
1089        set HEAD $cmt_id
1090        set PARENT $cmt_id
1091        set MERGE_HEAD [list]
1092
1093        foreach path [array names file_states] {
1094                set s $file_states($path)
1095                set m [lindex $s 0]
1096                switch -glob -- $m {
1097                _O -
1098                _M -
1099                _D {continue}
1100                __ -
1101                A_ -
1102                M_ -
1103                D_ {
1104                        unset file_states($path)
1105                        catch {unset selected_paths($path)}
1106                }
1107                DO {
1108                        set file_states($path) [list _O [lindex $s 1] {} {}]
1109                }
1110                AM -
1111                AD -
1112                MM -
1113                MD {
1114                        set file_states($path) [list \
1115                                _[string index $m 1] \
1116                                [lindex $s 1] \
1117                                [lindex $s 3] \
1118                                {}]
1119                }
1120                }
1121        }
1122
1123        display_all_files
1124        unlock_index
1125        reshow_diff
1126        set ui_status_value \
1127                "Changes committed as [string range $cmt_id 0 7]."
1128}
1129
1130######################################################################
1131##
1132## fetch pull push
1133
1134proc fetch_from {remote} {
1135        set w [new_console "fetch $remote" \
1136                "Fetching new changes from $remote"]
1137        set cmd [list git fetch]
1138        lappend cmd $remote
1139        console_exec $w $cmd
1140}
1141
1142proc pull_remote {remote branch} {
1143        global HEAD commit_type file_states repo_config
1144
1145        if {![lock_index update]} return
1146
1147        # -- Our in memory state should match the repository.
1148        #
1149        repository_state curType curHEAD curMERGE_HEAD
1150        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1151                info_popup {Last scanned state does not match repository state.
1152
1153Another Git program has modified this repository
1154since the last scan.  A rescan must be performed
1155before a pull operation can be started.
1156
1157The rescan will be automatically started now.
1158}
1159                unlock_index
1160                rescan {set ui_status_value {Ready.}}
1161                return
1162        }
1163
1164        # -- No differences should exist before a pull.
1165        #
1166        if {[array size file_states] != 0} {
1167                error_popup {Uncommitted but modified files are present.
1168
1169You should not perform a pull with unmodified
1170files in your working directory as Git will be
1171unable to recover from an incorrect merge.
1172
1173You should commit or revert all changes before
1174starting a pull operation.
1175}
1176                unlock_index
1177                return
1178        }
1179
1180        set w [new_console "pull $remote $branch" \
1181                "Pulling new changes from branch $branch in $remote"]
1182        set cmd [list git pull]
1183        if {$repo_config(gui.pullsummary) eq {false}} {
1184                lappend cmd --no-summary
1185        }
1186        lappend cmd $remote
1187        lappend cmd $branch
1188        console_exec $w $cmd [list post_pull_remote $remote $branch]
1189}
1190
1191proc post_pull_remote {remote branch success} {
1192        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1193        global ui_status_value
1194
1195        unlock_index
1196        if {$success} {
1197                repository_state commit_type HEAD MERGE_HEAD
1198                set PARENT $HEAD
1199                set selected_commit_type new
1200                set ui_status_value "Pulling $branch from $remote complete."
1201        } else {
1202                rescan [list set ui_status_value \
1203                        "Conflicts detected while pulling $branch from $remote."]
1204        }
1205}
1206
1207proc push_to {remote} {
1208        set w [new_console "push $remote" \
1209                "Pushing changes to $remote"]
1210        set cmd [list git push]
1211        lappend cmd $remote
1212        console_exec $w $cmd
1213}
1214
1215######################################################################
1216##
1217## ui helpers
1218
1219proc mapicon {w state path} {
1220        global all_icons
1221
1222        if {[catch {set r $all_icons($state$w)}]} {
1223                puts "error: no icon for $w state={$state} $path"
1224                return file_plain
1225        }
1226        return $r
1227}
1228
1229proc mapdesc {state path} {
1230        global all_descs
1231
1232        if {[catch {set r $all_descs($state)}]} {
1233                puts "error: no desc for state={$state} $path"
1234                return $state
1235        }
1236        return $r
1237}
1238
1239proc escape_path {path} {
1240        regsub -all "\n" $path "\\n" path
1241        return $path
1242}
1243
1244proc short_path {path} {
1245        return [escape_path [lindex [file split $path] end]]
1246}
1247
1248set next_icon_id 0
1249set null_sha1 [string repeat 0 40]
1250
1251proc merge_state {path new_state {head_info {}} {index_info {}}} {
1252        global file_states next_icon_id null_sha1
1253
1254        set s0 [string index $new_state 0]
1255        set s1 [string index $new_state 1]
1256
1257        if {[catch {set info $file_states($path)}]} {
1258                set state __
1259                set icon n[incr next_icon_id]
1260        } else {
1261                set state [lindex $info 0]
1262                set icon [lindex $info 1]
1263                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1264                if {$index_info eq {}} {set index_info [lindex $info 3]}
1265        }
1266
1267        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1268        elseif {$s0 eq {_}} {set s0 _}
1269
1270        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1271        elseif {$s1 eq {_}} {set s1 _}
1272
1273        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1274                set head_info [list 0 $null_sha1]
1275        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1276                && $head_info eq {}} {
1277                set head_info $index_info
1278        }
1279
1280        set file_states($path) [list $s0$s1 $icon \
1281                $head_info $index_info \
1282                ]
1283        return $state
1284}
1285
1286proc display_file_helper {w path icon_name old_m new_m} {
1287        global file_lists
1288
1289        if {$new_m eq {_}} {
1290                set lno [lsearch -sorted $file_lists($w) $path]
1291                if {$lno >= 0} {
1292                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1293                        incr lno
1294                        $w conf -state normal
1295                        $w delete $lno.0 [expr {$lno + 1}].0
1296                        $w conf -state disabled
1297                }
1298        } elseif {$old_m eq {_} && $new_m ne {_}} {
1299                lappend file_lists($w) $path
1300                set file_lists($w) [lsort -unique $file_lists($w)]
1301                set lno [lsearch -sorted $file_lists($w) $path]
1302                incr lno
1303                $w conf -state normal
1304                $w image create $lno.0 \
1305                        -align center -padx 5 -pady 1 \
1306                        -name $icon_name \
1307                        -image [mapicon $w $new_m $path]
1308                $w insert $lno.1 "[escape_path $path]\n"
1309                $w conf -state disabled
1310        } elseif {$old_m ne $new_m} {
1311                $w conf -state normal
1312                $w image conf $icon_name -image [mapicon $w $new_m $path]
1313                $w conf -state disabled
1314        }
1315}
1316
1317proc display_file {path state} {
1318        global file_states selected_paths
1319        global ui_index ui_workdir
1320
1321        set old_m [merge_state $path $state]
1322        set s $file_states($path)
1323        set new_m [lindex $s 0]
1324        set icon_name [lindex $s 1]
1325
1326        set o [string index $old_m 0]
1327        set n [string index $new_m 0]
1328        if {$o eq {U}} {
1329                set o _
1330        }
1331        if {$n eq {U}} {
1332                set n _
1333        }
1334        display_file_helper     $ui_index $path $icon_name $o $n
1335
1336        if {[string index $old_m 0] eq {U}} {
1337                set o U
1338        } else {
1339                set o [string index $old_m 1]
1340        }
1341        if {[string index $new_m 0] eq {U}} {
1342                set n U
1343        } else {
1344                set n [string index $new_m 1]
1345        }
1346        display_file_helper     $ui_workdir $path $icon_name $o $n
1347
1348        if {$new_m eq {__}} {
1349                unset file_states($path)
1350                catch {unset selected_paths($path)}
1351        }
1352}
1353
1354proc display_all_files_helper {w path icon_name m} {
1355        global file_lists
1356
1357        lappend file_lists($w) $path
1358        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1359        $w image create end \
1360                -align center -padx 5 -pady 1 \
1361                -name $icon_name \
1362                -image [mapicon $w $m $path]
1363        $w insert end "[escape_path $path]\n"
1364}
1365
1366proc display_all_files {} {
1367        global ui_index ui_workdir
1368        global file_states file_lists
1369        global last_clicked
1370
1371        $ui_index conf -state normal
1372        $ui_workdir conf -state normal
1373
1374        $ui_index delete 0.0 end
1375        $ui_workdir delete 0.0 end
1376        set last_clicked {}
1377
1378        set file_lists($ui_index) [list]
1379        set file_lists($ui_workdir) [list]
1380
1381        foreach path [lsort [array names file_states]] {
1382                set s $file_states($path)
1383                set m [lindex $s 0]
1384                set icon_name [lindex $s 1]
1385
1386                set s [string index $m 0]
1387                if {$s ne {U} && $s ne {_}} {
1388                        display_all_files_helper $ui_index $path \
1389                                $icon_name $s
1390                }
1391
1392                if {[string index $m 0] eq {U}} {
1393                        set s U
1394                } else {
1395                        set s [string index $m 1]
1396                }
1397                if {$s ne {_}} {
1398                        display_all_files_helper $ui_workdir $path \
1399                                $icon_name $s
1400                }
1401        }
1402
1403        $ui_index conf -state disabled
1404        $ui_workdir conf -state disabled
1405}
1406
1407proc update_indexinfo {msg pathList after} {
1408        global update_index_cp ui_status_value
1409
1410        if {![lock_index update]} return
1411
1412        set update_index_cp 0
1413        set pathList [lsort $pathList]
1414        set totalCnt [llength $pathList]
1415        set batch [expr {int($totalCnt * .01) + 1}]
1416        if {$batch > 25} {set batch 25}
1417
1418        set ui_status_value [format \
1419                "$msg... %i/%i files (%.2f%%)" \
1420                $update_index_cp \
1421                $totalCnt \
1422                0.0]
1423        set fd [open "| git update-index -z --index-info" w]
1424        fconfigure $fd \
1425                -blocking 0 \
1426                -buffering full \
1427                -buffersize 512 \
1428                -translation binary
1429        fileevent $fd writable [list \
1430                write_update_indexinfo \
1431                $fd \
1432                $pathList \
1433                $totalCnt \
1434                $batch \
1435                $msg \
1436                $after \
1437                ]
1438}
1439
1440proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1441        global update_index_cp ui_status_value
1442        global file_states current_diff_path
1443
1444        if {$update_index_cp >= $totalCnt} {
1445                close $fd
1446                unlock_index
1447                uplevel #0 $after
1448                return
1449        }
1450
1451        for {set i $batch} \
1452                {$update_index_cp < $totalCnt && $i > 0} \
1453                {incr i -1} {
1454                set path [lindex $pathList $update_index_cp]
1455                incr update_index_cp
1456
1457                set s $file_states($path)
1458                switch -glob -- [lindex $s 0] {
1459                A? {set new _O}
1460                M? {set new _M}
1461                D_ {set new _D}
1462                D? {set new _?}
1463                ?? {continue}
1464                }
1465                set info [lindex $s 2]
1466                if {$info eq {}} continue
1467
1468                puts -nonewline $fd "$info\t$path\0"
1469                display_file $path $new
1470        }
1471
1472        set ui_status_value [format \
1473                "$msg... %i/%i files (%.2f%%)" \
1474                $update_index_cp \
1475                $totalCnt \
1476                [expr {100.0 * $update_index_cp / $totalCnt}]]
1477}
1478
1479proc update_index {msg pathList after} {
1480        global update_index_cp ui_status_value
1481
1482        if {![lock_index update]} return
1483
1484        set update_index_cp 0
1485        set pathList [lsort $pathList]
1486        set totalCnt [llength $pathList]
1487        set batch [expr {int($totalCnt * .01) + 1}]
1488        if {$batch > 25} {set batch 25}
1489
1490        set ui_status_value [format \
1491                "$msg... %i/%i files (%.2f%%)" \
1492                $update_index_cp \
1493                $totalCnt \
1494                0.0]
1495        set fd [open "| git update-index --add --remove -z --stdin" w]
1496        fconfigure $fd \
1497                -blocking 0 \
1498                -buffering full \
1499                -buffersize 512 \
1500                -translation binary
1501        fileevent $fd writable [list \
1502                write_update_index \
1503                $fd \
1504                $pathList \
1505                $totalCnt \
1506                $batch \
1507                $msg \
1508                $after \
1509                ]
1510}
1511
1512proc write_update_index {fd pathList totalCnt batch msg after} {
1513        global update_index_cp ui_status_value
1514        global file_states current_diff_path
1515
1516        if {$update_index_cp >= $totalCnt} {
1517                close $fd
1518                unlock_index
1519                uplevel #0 $after
1520                return
1521        }
1522
1523        for {set i $batch} \
1524                {$update_index_cp < $totalCnt && $i > 0} \
1525                {incr i -1} {
1526                set path [lindex $pathList $update_index_cp]
1527                incr update_index_cp
1528
1529                switch -glob -- [lindex $file_states($path) 0] {
1530                AD {set new __}
1531                ?D {set new D_}
1532                _O -
1533                AM {set new A_}
1534                U? {
1535                        if {[file exists $path]} {
1536                                set new M_
1537                        } else {
1538                                set new D_
1539                        }
1540                }
1541                ?M {set new M_}
1542                ?? {continue}
1543                }
1544                puts -nonewline $fd "$path\0"
1545                display_file $path $new
1546        }
1547
1548        set ui_status_value [format \
1549                "$msg... %i/%i files (%.2f%%)" \
1550                $update_index_cp \
1551                $totalCnt \
1552                [expr {100.0 * $update_index_cp / $totalCnt}]]
1553}
1554
1555proc checkout_index {msg pathList after} {
1556        global update_index_cp ui_status_value
1557
1558        if {![lock_index update]} return
1559
1560        set update_index_cp 0
1561        set pathList [lsort $pathList]
1562        set totalCnt [llength $pathList]
1563        set batch [expr {int($totalCnt * .01) + 1}]
1564        if {$batch > 25} {set batch 25}
1565
1566        set ui_status_value [format \
1567                "$msg... %i/%i files (%.2f%%)" \
1568                $update_index_cp \
1569                $totalCnt \
1570                0.0]
1571        set cmd [list git checkout-index]
1572        lappend cmd --index
1573        lappend cmd --quiet
1574        lappend cmd --force
1575        lappend cmd -z
1576        lappend cmd --stdin
1577        set fd [open "| $cmd " w]
1578        fconfigure $fd \
1579                -blocking 0 \
1580                -buffering full \
1581                -buffersize 512 \
1582                -translation binary
1583        fileevent $fd writable [list \
1584                write_checkout_index \
1585                $fd \
1586                $pathList \
1587                $totalCnt \
1588                $batch \
1589                $msg \
1590                $after \
1591                ]
1592}
1593
1594proc write_checkout_index {fd pathList totalCnt batch msg after} {
1595        global update_index_cp ui_status_value
1596        global file_states current_diff_path
1597
1598        if {$update_index_cp >= $totalCnt} {
1599                close $fd
1600                unlock_index
1601                uplevel #0 $after
1602                return
1603        }
1604
1605        for {set i $batch} \
1606                {$update_index_cp < $totalCnt && $i > 0} \
1607                {incr i -1} {
1608                set path [lindex $pathList $update_index_cp]
1609                incr update_index_cp
1610                switch -glob -- [lindex $file_states($path) 0] {
1611                U? {continue}
1612                ?M -
1613                ?D {
1614                        puts -nonewline $fd "$path\0"
1615                        display_file $path ?_
1616                }
1617                }
1618        }
1619
1620        set ui_status_value [format \
1621                "$msg... %i/%i files (%.2f%%)" \
1622                $update_index_cp \
1623                $totalCnt \
1624                [expr {100.0 * $update_index_cp / $totalCnt}]]
1625}
1626
1627######################################################################
1628##
1629## branch management
1630
1631proc load_all_heads {} {
1632        global all_heads tracking_branches
1633
1634        set all_heads [list]
1635        set cmd [list git for-each-ref]
1636        lappend cmd --format=%(refname)
1637        lappend cmd refs/heads
1638        set fd [open "| $cmd" r]
1639        while {[gets $fd line] > 0} {
1640                if {![catch {set info $tracking_branches($line)}]} continue
1641                if {![regsub ^refs/heads/ $line {} name]} continue
1642                lappend all_heads $name
1643        }
1644        close $fd
1645
1646        set all_heads [lsort $all_heads]
1647}
1648
1649proc populate_branch_menu {} {
1650        global all_heads disable_on_lock
1651
1652        set m .mbar.branch
1653        set last [$m index last]
1654        for {set i 0} {$i <= $last} {incr i} {
1655                if {[$m type $i] eq {separator}} {
1656                        $m delete $i last
1657                        set new_dol [list]
1658                        foreach a $disable_on_lock {
1659                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1660                                        lappend new_dol $a
1661                                }
1662                        }
1663                        set disable_on_lock $new_dol
1664                        break
1665                }
1666        }
1667
1668        $m add separator
1669        foreach b $all_heads {
1670                $m add radiobutton \
1671                        -label $b \
1672                        -command [list switch_branch $b] \
1673                        -variable current_branch \
1674                        -value $b \
1675                        -font font_ui
1676                lappend disable_on_lock \
1677                        [list $m entryconf [$m index last] -state]
1678        }
1679}
1680
1681proc do_create_branch_action {w} {
1682        global all_heads null_sha1
1683        global create_branch_checkout create_branch_revtype
1684        global create_branch_head create_branch_trackinghead
1685
1686        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1687        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1688                tk_messageBox \
1689                        -icon error \
1690                        -type ok \
1691                        -title [wm title $w] \
1692                        -parent $w \
1693                        -message "Branch '$newbranch' already exists."
1694                focus $w.desc.name_t
1695                return
1696        }
1697        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1698                tk_messageBox \
1699                        -icon error \
1700                        -type ok \
1701                        -title [wm title $w] \
1702                        -parent $w \
1703                        -message "We do not like '$newbranch' as a branch name."
1704                focus $w.desc.name_t
1705                return
1706        }
1707
1708        set rev {}
1709        switch -- $create_branch_revtype {
1710        head {set rev $create_branch_head}
1711        tracking {set rev $create_branch_trackinghead}
1712        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1713        }
1714        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1715                tk_messageBox \
1716                        -icon error \
1717                        -type ok \
1718                        -title [wm title $w] \
1719                        -parent $w \
1720                        -message "Invalid starting revision: $rev"
1721                return
1722        }
1723        set cmd [list git update-ref]
1724        lappend cmd -m
1725        lappend cmd "branch: Created from $rev"
1726        lappend cmd "refs/heads/$newbranch"
1727        lappend cmd $cmt
1728        lappend cmd $null_sha1
1729        if {[catch {eval exec $cmd} err]} {
1730                tk_messageBox \
1731                        -icon error \
1732                        -type ok \
1733                        -title [wm title $w] \
1734                        -parent $w \
1735                        -message "Failed to create '$newbranch'.\n\n$err"
1736                return
1737        }
1738
1739        lappend all_heads $newbranch
1740        set all_heads [lsort $all_heads]
1741        populate_branch_menu
1742        destroy $w
1743        if {$create_branch_checkout} {
1744                switch_branch $newbranch
1745        }
1746}
1747
1748proc do_create_branch {} {
1749        global all_heads current_branch tracking_branches
1750        global create_branch_checkout create_branch_revtype
1751        global create_branch_head create_branch_trackinghead
1752
1753        set create_branch_checkout 1
1754        set create_branch_revtype head
1755        set create_branch_head $current_branch
1756        set create_branch_trackinghead {}
1757
1758        set w .branch_editor
1759        toplevel $w
1760        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1761
1762        label $w.header -text {Create New Branch} \
1763                -font font_uibold
1764        pack $w.header -side top -fill x
1765
1766        frame $w.buttons
1767        button $w.buttons.create -text Create \
1768                -font font_ui \
1769                -default active \
1770                -command [list do_create_branch_action $w]
1771        pack $w.buttons.create -side right
1772        button $w.buttons.cancel -text {Cancel} \
1773                -font font_ui \
1774                -command [list destroy $w]
1775        pack $w.buttons.cancel -side right -padx 5
1776        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1777
1778        labelframe $w.desc \
1779                -text {Branch Description} \
1780                -font font_ui
1781        label $w.desc.name_l -text {Name:} -font font_ui
1782        text $w.desc.name_t \
1783                -borderwidth 1 \
1784                -relief sunken \
1785                -height 1 \
1786                -width 40 \
1787                -font font_ui
1788        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1789        bind $w.desc.name_t <Shift-Key-Tab> "focus $w.postActions.checkout;break"
1790        bind $w.desc.name_t <Key-Tab> "focus $w.from.exp_t;break"
1791        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1792        bind $w.desc.name_t <Key> {
1793                if {{%K} ne {BackSpace}
1794                        && {%K} ne {Tab}
1795                        && {%K} ne {Escape}
1796                        && {%K} ne {Return}} {
1797                        if {%k <= 32} break
1798                        if {[string first %A {~^:?*[}] >= 0} break
1799                }
1800        }
1801        grid columnconfigure $w.desc 1 -weight 1
1802        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1803
1804        set all_trackings [list]
1805        foreach b [array names tracking_branches] {
1806                regsub ^refs/(heads|remotes)/ $b {} b
1807                lappend all_trackings $b
1808        }
1809        set all_trackings [lsort -unique $all_trackings]
1810        if {$all_trackings ne {}} {
1811                set create_branch_trackinghead [lindex $all_trackings 0]
1812        }
1813
1814        labelframe $w.from \
1815                -text {Starting Revision} \
1816                -font font_ui
1817        radiobutton $w.from.head_r \
1818                -text {Local Branch:} \
1819                -value head \
1820                -variable create_branch_revtype \
1821                -font font_ui
1822        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1823        grid $w.from.head_r $w.from.head_m -sticky w
1824        radiobutton $w.from.tracking_r \
1825                -text {Tracking Branch:} \
1826                -value tracking \
1827                -variable create_branch_revtype \
1828                -font font_ui
1829        eval tk_optionMenu $w.from.tracking_m \
1830                create_branch_trackinghead \
1831                $all_trackings
1832        grid $w.from.tracking_r $w.from.tracking_m -sticky w
1833        radiobutton $w.from.exp_r \
1834                -text {Revision Expression:} \
1835                -value expression \
1836                -variable create_branch_revtype \
1837                -font font_ui
1838        text $w.from.exp_t \
1839                -borderwidth 1 \
1840                -relief sunken \
1841                -height 1 \
1842                -width 50 \
1843                -font font_ui
1844        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1845        bind $w.from.exp_t <Shift-Key-Tab> "focus $w.desc.name_t;break"
1846        bind $w.from.exp_t <Key-Tab> "focus $w.postActions.checkout;break"
1847        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1848        grid columnconfigure $w.from 1 -weight 1
1849        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1850
1851        labelframe $w.postActions \
1852                -text {Post Creation Actions} \
1853                -font font_ui
1854        checkbutton $w.postActions.checkout \
1855                -text {Checkout after creation} \
1856                -variable create_branch_checkout \
1857                -font font_ui
1858        pack $w.postActions.checkout -anchor nw
1859        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1860
1861        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1862        bind $w <Key-Escape> "destroy $w"
1863        bind $w <Key-Return> "do_create_branch_action $w;break"
1864        wm title $w "[appname] ([reponame]): Create Branch"
1865        tkwait window $w
1866}
1867
1868proc do_delete_branch_action {w} {
1869        global all_heads
1870        global delete_branch_checkhead delete_branch_head
1871
1872        set to_delete [list]
1873        set not_merged [list]
1874        foreach i [$w.list.l curselection] {
1875                set b [$w.list.l get $i]
1876                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1877                if {$delete_branch_checkhead} {
1878                        if {$b eq $delete_branch_head} continue
1879                        if {[catch {set m [exec git merge-base $o $delete_branch_head]}]} continue
1880                        if {$o ne $m} {
1881                                lappend not_merged $b
1882                                continue
1883                        }
1884                }
1885                lappend to_delete [list $b $o]
1886        }
1887        if {$not_merged ne {}} {
1888                set msg "The following branches are not completely merged into $delete_branch_head:
1889
1890 - [join $not_merged "\n - "]"
1891                tk_messageBox \
1892                        -icon info \
1893                        -type ok \
1894                        -title [wm title $w] \
1895                        -parent $w \
1896                        -message $msg
1897        }
1898        if {$to_delete eq {}} return
1899        if {!$delete_branch_checkhead} {
1900                set msg {Recovering deleted branches is difficult.
1901
1902Delete the selected branches?}
1903                if {[tk_messageBox \
1904                        -icon warning \
1905                        -type yesno \
1906                        -title [wm title $w] \
1907                        -parent $w \
1908                        -message $msg] ne yes} {
1909                        return
1910                }
1911        }
1912
1913        set failed {}
1914        foreach i $to_delete {
1915                set b [lindex $i 0]
1916                set o [lindex $i 1]
1917                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
1918                        append failed " - $b: $err\n"
1919                } else {
1920                        set x [lsearch -sorted $all_heads $b]
1921                        if {$x >= 0} {
1922                                set all_heads [lreplace $all_heads $x $x]
1923                        }
1924                }
1925        }
1926
1927        if {$failed ne {}} {
1928                tk_messageBox \
1929                        -icon error \
1930                        -type ok \
1931                        -title [wm title $w] \
1932                        -parent $w \
1933                        -message "Failed to delete branches:\n$failed"
1934        }
1935
1936        set all_heads [lsort $all_heads]
1937        populate_branch_menu
1938        destroy $w
1939}
1940
1941proc do_delete_branch {} {
1942        global all_heads tracking_branches current_branch
1943        global delete_branch_checkhead delete_branch_head
1944
1945        set delete_branch_checkhead 1
1946        set delete_branch_head $current_branch
1947
1948        set w .branch_editor
1949        toplevel $w
1950        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1951
1952        label $w.header -text {Delete Local Branch} \
1953                -font font_uibold
1954        pack $w.header -side top -fill x
1955
1956        frame $w.buttons
1957        button $w.buttons.create -text Delete \
1958                -font font_ui \
1959                -command [list do_delete_branch_action $w]
1960        pack $w.buttons.create -side right
1961        button $w.buttons.cancel -text {Cancel} \
1962                -font font_ui \
1963                -command [list destroy $w]
1964        pack $w.buttons.cancel -side right -padx 5
1965        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1966
1967        labelframe $w.list \
1968                -text {Local Branches} \
1969                -font font_ui
1970        listbox $w.list.l \
1971                -height 10 \
1972                -width 50 \
1973                -selectmode extended \
1974                -font font_ui
1975        foreach h $all_heads {
1976                if {$h ne $current_branch} {
1977                        $w.list.l insert end $h
1978                }
1979        }
1980        pack $w.list.l -fill both -pady 5 -padx 5
1981        pack $w.list -fill both -pady 5 -padx 5
1982
1983        set all_trackings [list]
1984        foreach b [array names tracking_branches] {
1985                regsub ^refs/(heads|remotes)/ $b {} b
1986                lappend all_trackings $b
1987        }
1988
1989        labelframe $w.validate \
1990                -text {Only Delete If} \
1991                -font font_ui
1992        frame $w.validate.head
1993        checkbutton $w.validate.head.r \
1994                -text {Already Merged Into:} \
1995                -variable delete_branch_checkhead \
1996                -font font_ui
1997        eval tk_optionMenu $w.validate.head.m delete_branch_head \
1998                $all_heads \
1999                [lsort -unique $all_trackings]
2000        pack $w.validate.head.r -side left
2001        pack $w.validate.head.m -side left
2002        pack $w.validate.head -padx 5 -fill x -expand 1
2003        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2004
2005        bind $w <Visibility> "grab $w; focus $w"
2006        bind $w <Key-Escape> "destroy $w"
2007        wm title $w "[appname] ([reponame]): Delete Branch"
2008        tkwait window $w
2009}
2010
2011proc switch_branch {b} {
2012        global HEAD commit_type file_states current_branch
2013        global selected_commit_type ui_comm
2014
2015        if {![lock_index switch]} return
2016
2017        # -- Backup the selected branch (repository_state resets it)
2018        #
2019        set new_branch $current_branch
2020
2021        # -- Our in memory state should match the repository.
2022        #
2023        repository_state curType curHEAD curMERGE_HEAD
2024        if {[string match amend* $commit_type]
2025                && $curType eq {normal}
2026                && $curHEAD eq $HEAD} {
2027        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2028                info_popup {Last scanned state does not match repository state.
2029
2030Another Git program has modified this repository
2031since the last scan.  A rescan must be performed
2032before the current branch can be changed.
2033
2034The rescan will be automatically started now.
2035}
2036                unlock_index
2037                rescan {set ui_status_value {Ready.}}
2038                return
2039        }
2040
2041        # -- Toss the message buffer if we are in amend mode.
2042        #
2043        if {[string match amend* $curType]} {
2044                $ui_comm delete 0.0 end
2045                $ui_comm edit reset
2046                $ui_comm edit modified false
2047        }
2048
2049        set selected_commit_type new
2050        set current_branch $new_branch
2051
2052        unlock_index
2053        error "NOT FINISHED"
2054}
2055
2056######################################################################
2057##
2058## remote management
2059
2060proc load_all_remotes {} {
2061        global repo_config
2062        global all_remotes tracking_branches
2063
2064        set all_remotes [list]
2065        array unset tracking_branches
2066
2067        set rm_dir [gitdir remotes]
2068        if {[file isdirectory $rm_dir]} {
2069                set all_remotes [glob \
2070                        -types f \
2071                        -tails \
2072                        -nocomplain \
2073                        -directory $rm_dir *]
2074
2075                foreach name $all_remotes {
2076                        catch {
2077                                set fd [open [file join $rm_dir $name] r]
2078                                while {[gets $fd line] >= 0} {
2079                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2080                                                $line line src dst]} continue
2081                                        if {![regexp ^refs/ $dst]} {
2082                                                set dst "refs/heads/$dst"
2083                                        }
2084                                        set tracking_branches($dst) [list $name $src]
2085                                }
2086                                close $fd
2087                        }
2088                }
2089        }
2090
2091        foreach line [array names repo_config remote.*.url] {
2092                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2093                lappend all_remotes $name
2094
2095                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2096                        set fl {}
2097                }
2098                foreach line $fl {
2099                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2100                        if {![regexp ^refs/ $dst]} {
2101                                set dst "refs/heads/$dst"
2102                        }
2103                        set tracking_branches($dst) [list $name $src]
2104                }
2105        }
2106
2107        set all_remotes [lsort -unique $all_remotes]
2108}
2109
2110proc populate_fetch_menu {m} {
2111        global all_remotes repo_config
2112
2113        foreach r $all_remotes {
2114                set enable 0
2115                if {![catch {set a $repo_config(remote.$r.url)}]} {
2116                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2117                                set enable 1
2118                        }
2119                } else {
2120                        catch {
2121                                set fd [open [gitdir remotes $r] r]
2122                                while {[gets $fd n] >= 0} {
2123                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2124                                                set enable 1
2125                                                break
2126                                        }
2127                                }
2128                                close $fd
2129                        }
2130                }
2131
2132                if {$enable} {
2133                        $m add command \
2134                                -label "Fetch from $r..." \
2135                                -command [list fetch_from $r] \
2136                                -font font_ui
2137                }
2138        }
2139}
2140
2141proc populate_push_menu {m} {
2142        global all_remotes repo_config
2143
2144        foreach r $all_remotes {
2145                set enable 0
2146                if {![catch {set a $repo_config(remote.$r.url)}]} {
2147                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2148                                set enable 1
2149                        }
2150                } else {
2151                        catch {
2152                                set fd [open [gitdir remotes $r] r]
2153                                while {[gets $fd n] >= 0} {
2154                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2155                                                set enable 1
2156                                                break
2157                                        }
2158                                }
2159                                close $fd
2160                        }
2161                }
2162
2163                if {$enable} {
2164                        $m add command \
2165                                -label "Push to $r..." \
2166                                -command [list push_to $r] \
2167                                -font font_ui
2168                }
2169        }
2170}
2171
2172proc populate_pull_menu {m} {
2173        global repo_config all_remotes disable_on_lock
2174
2175        foreach remote $all_remotes {
2176                set rb_list [list]
2177                if {[array get repo_config remote.$remote.url] ne {}} {
2178                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2179                                foreach line $repo_config(remote.$remote.fetch) {
2180                                        if {[regexp {^([^:]+):} $line line rb]} {
2181                                                lappend rb_list $rb
2182                                        }
2183                                }
2184                        }
2185                } else {
2186                        catch {
2187                                set fd [open [gitdir remotes $remote] r]
2188                                while {[gets $fd line] >= 0} {
2189                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2190                                                lappend rb_list $rb
2191                                        }
2192                                }
2193                                close $fd
2194                        }
2195                }
2196
2197                foreach rb $rb_list {
2198                        regsub ^refs/heads/ $rb {} rb_short
2199                        $m add command \
2200                                -label "Branch $rb_short from $remote..." \
2201                                -command [list pull_remote $remote $rb] \
2202                                -font font_ui
2203                        lappend disable_on_lock \
2204                                [list $m entryconf [$m index last] -state]
2205                }
2206        }
2207}
2208
2209######################################################################
2210##
2211## icons
2212
2213set filemask {
2214#define mask_width 14
2215#define mask_height 15
2216static unsigned char mask_bits[] = {
2217   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2218   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2219   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2220}
2221
2222image create bitmap file_plain -background white -foreground black -data {
2223#define plain_width 14
2224#define plain_height 15
2225static unsigned char plain_bits[] = {
2226   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2227   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2228   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2229} -maskdata $filemask
2230
2231image create bitmap file_mod -background white -foreground blue -data {
2232#define mod_width 14
2233#define mod_height 15
2234static unsigned char mod_bits[] = {
2235   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2236   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2237   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2238} -maskdata $filemask
2239
2240image create bitmap file_fulltick -background white -foreground "#007000" -data {
2241#define file_fulltick_width 14
2242#define file_fulltick_height 15
2243static unsigned char file_fulltick_bits[] = {
2244   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2245   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2246   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2247} -maskdata $filemask
2248
2249image create bitmap file_parttick -background white -foreground "#005050" -data {
2250#define parttick_width 14
2251#define parttick_height 15
2252static unsigned char parttick_bits[] = {
2253   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2254   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2255   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2256} -maskdata $filemask
2257
2258image create bitmap file_question -background white -foreground black -data {
2259#define file_question_width 14
2260#define file_question_height 15
2261static unsigned char file_question_bits[] = {
2262   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2263   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2264   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2265} -maskdata $filemask
2266
2267image create bitmap file_removed -background white -foreground red -data {
2268#define file_removed_width 14
2269#define file_removed_height 15
2270static unsigned char file_removed_bits[] = {
2271   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2272   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2273   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2274} -maskdata $filemask
2275
2276image create bitmap file_merge -background white -foreground blue -data {
2277#define file_merge_width 14
2278#define file_merge_height 15
2279static unsigned char file_merge_bits[] = {
2280   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2281   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2282   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2283} -maskdata $filemask
2284
2285set ui_index .vpane.files.index.list
2286set ui_workdir .vpane.files.workdir.list
2287
2288set all_icons(_$ui_index)   file_plain
2289set all_icons(A$ui_index)   file_fulltick
2290set all_icons(M$ui_index)   file_fulltick
2291set all_icons(D$ui_index)   file_removed
2292set all_icons(U$ui_index)   file_merge
2293
2294set all_icons(_$ui_workdir) file_plain
2295set all_icons(M$ui_workdir) file_mod
2296set all_icons(D$ui_workdir) file_question
2297set all_icons(U$ui_workdir) file_merge
2298set all_icons(O$ui_workdir) file_plain
2299
2300set max_status_desc 0
2301foreach i {
2302                {__ "Unmodified"}
2303
2304                {_M "Modified, not staged"}
2305                {M_ "Staged for commit"}
2306                {MM "Portions staged for commit"}
2307                {MD "Staged for commit, missing"}
2308
2309                {_O "Untracked, not staged"}
2310                {A_ "Staged for commit"}
2311                {AM "Portions staged for commit"}
2312                {AD "Staged for commit, missing"}
2313
2314                {_D "Missing"}
2315                {D_ "Staged for removal"}
2316                {DO "Staged for removal, still present"}
2317
2318                {U_ "Requires merge resolution"}
2319                {UU "Requires merge resolution"}
2320                {UM "Requires merge resolution"}
2321                {UD "Requires merge resolution"}
2322        } {
2323        if {$max_status_desc < [string length [lindex $i 1]]} {
2324                set max_status_desc [string length [lindex $i 1]]
2325        }
2326        set all_descs([lindex $i 0]) [lindex $i 1]
2327}
2328unset i
2329
2330######################################################################
2331##
2332## util
2333
2334proc is_MacOSX {} {
2335        global tcl_platform tk_library
2336        if {[tk windowingsystem] eq {aqua}} {
2337                return 1
2338        }
2339        return 0
2340}
2341
2342proc is_Windows {} {
2343        global tcl_platform
2344        if {$tcl_platform(platform) eq {windows}} {
2345                return 1
2346        }
2347        return 0
2348}
2349
2350proc bind_button3 {w cmd} {
2351        bind $w <Any-Button-3> $cmd
2352        if {[is_MacOSX]} {
2353                bind $w <Control-Button-1> $cmd
2354        }
2355}
2356
2357proc incr_font_size {font {amt 1}} {
2358        set sz [font configure $font -size]
2359        incr sz $amt
2360        font configure $font -size $sz
2361        font configure ${font}bold -size $sz
2362}
2363
2364proc hook_failed_popup {hook msg} {
2365        set w .hookfail
2366        toplevel $w
2367
2368        frame $w.m
2369        label $w.m.l1 -text "$hook hook failed:" \
2370                -anchor w \
2371                -justify left \
2372                -font font_uibold
2373        text $w.m.t \
2374                -background white -borderwidth 1 \
2375                -relief sunken \
2376                -width 80 -height 10 \
2377                -font font_diff \
2378                -yscrollcommand [list $w.m.sby set]
2379        label $w.m.l2 \
2380                -text {You must correct the above errors before committing.} \
2381                -anchor w \
2382                -justify left \
2383                -font font_uibold
2384        scrollbar $w.m.sby -command [list $w.m.t yview]
2385        pack $w.m.l1 -side top -fill x
2386        pack $w.m.l2 -side bottom -fill x
2387        pack $w.m.sby -side right -fill y
2388        pack $w.m.t -side left -fill both -expand 1
2389        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2390
2391        $w.m.t insert 1.0 $msg
2392        $w.m.t conf -state disabled
2393
2394        button $w.ok -text OK \
2395                -width 15 \
2396                -font font_ui \
2397                -command "destroy $w"
2398        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2399
2400        bind $w <Visibility> "grab $w; focus $w"
2401        bind $w <Key-Return> "destroy $w"
2402        wm title $w "[appname] ([reponame]): error"
2403        tkwait window $w
2404}
2405
2406set next_console_id 0
2407
2408proc new_console {short_title long_title} {
2409        global next_console_id console_data
2410        set w .console[incr next_console_id]
2411        set console_data($w) [list $short_title $long_title]
2412        return [console_init $w]
2413}
2414
2415proc console_init {w} {
2416        global console_cr console_data M1B
2417
2418        set console_cr($w) 1.0
2419        toplevel $w
2420        frame $w.m
2421        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2422                -anchor w \
2423                -justify left \
2424                -font font_uibold
2425        text $w.m.t \
2426                -background white -borderwidth 1 \
2427                -relief sunken \
2428                -width 80 -height 10 \
2429                -font font_diff \
2430                -state disabled \
2431                -yscrollcommand [list $w.m.sby set]
2432        label $w.m.s -text {Working... please wait...} \
2433                -anchor w \
2434                -justify left \
2435                -font font_uibold
2436        scrollbar $w.m.sby -command [list $w.m.t yview]
2437        pack $w.m.l1 -side top -fill x
2438        pack $w.m.s -side bottom -fill x
2439        pack $w.m.sby -side right -fill y
2440        pack $w.m.t -side left -fill both -expand 1
2441        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2442
2443        menu $w.ctxm -tearoff 0
2444        $w.ctxm add command -label "Copy" \
2445                -font font_ui \
2446                -command "tk_textCopy $w.m.t"
2447        $w.ctxm add command -label "Select All" \
2448                -font font_ui \
2449                -command "$w.m.t tag add sel 0.0 end"
2450        $w.ctxm add command -label "Copy All" \
2451                -font font_ui \
2452                -command "
2453                        $w.m.t tag add sel 0.0 end
2454                        tk_textCopy $w.m.t
2455                        $w.m.t tag remove sel 0.0 end
2456                "
2457
2458        button $w.ok -text {Close} \
2459                -font font_ui \
2460                -state disabled \
2461                -command "destroy $w"
2462        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2463
2464        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2465        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2466        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2467        bind $w <Visibility> "focus $w"
2468        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2469        return $w
2470}
2471
2472proc console_exec {w cmd {after {}}} {
2473        # -- Windows tosses the enviroment when we exec our child.
2474        #    But most users need that so we have to relogin. :-(
2475        #
2476        if {[is_Windows]} {
2477                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2478        }
2479
2480        # -- Tcl won't let us redirect both stdout and stderr to
2481        #    the same pipe.  So pass it through cat...
2482        #
2483        set cmd [concat | $cmd |& cat]
2484
2485        set fd_f [open $cmd r]
2486        fconfigure $fd_f -blocking 0 -translation binary
2487        fileevent $fd_f readable [list console_read $w $fd_f $after]
2488}
2489
2490proc console_read {w fd after} {
2491        global console_cr console_data
2492
2493        set buf [read $fd]
2494        if {$buf ne {}} {
2495                if {![winfo exists $w]} {console_init $w}
2496                $w.m.t conf -state normal
2497                set c 0
2498                set n [string length $buf]
2499                while {$c < $n} {
2500                        set cr [string first "\r" $buf $c]
2501                        set lf [string first "\n" $buf $c]
2502                        if {$cr < 0} {set cr [expr {$n + 1}]}
2503                        if {$lf < 0} {set lf [expr {$n + 1}]}
2504
2505                        if {$lf < $cr} {
2506                                $w.m.t insert end [string range $buf $c $lf]
2507                                set console_cr($w) [$w.m.t index {end -1c}]
2508                                set c $lf
2509                                incr c
2510                        } else {
2511                                $w.m.t delete $console_cr($w) end
2512                                $w.m.t insert end "\n"
2513                                $w.m.t insert end [string range $buf $c $cr]
2514                                set c $cr
2515                                incr c
2516                        }
2517                }
2518                $w.m.t conf -state disabled
2519                $w.m.t see end
2520        }
2521
2522        fconfigure $fd -blocking 1
2523        if {[eof $fd]} {
2524                if {[catch {close $fd}]} {
2525                        if {![winfo exists $w]} {console_init $w}
2526                        $w.m.s conf -background red -text {Error: Command Failed}
2527                        $w.ok conf -state normal
2528                        set ok 0
2529                } elseif {[winfo exists $w]} {
2530                        $w.m.s conf -background green -text {Success}
2531                        $w.ok conf -state normal
2532                        set ok 1
2533                }
2534                array unset console_cr $w
2535                array unset console_data $w
2536                if {$after ne {}} {
2537                        uplevel #0 $after $ok
2538                }
2539                return
2540        }
2541        fconfigure $fd -blocking 0
2542}
2543
2544######################################################################
2545##
2546## ui commands
2547
2548set starting_gitk_msg {Starting gitk... please wait...}
2549
2550proc do_gitk {revs} {
2551        global ui_status_value starting_gitk_msg
2552
2553        set cmd gitk
2554        if {$revs ne {}} {
2555                append cmd { }
2556                append cmd $revs
2557        }
2558        if {[is_Windows]} {
2559                set cmd "sh -c \"exec $cmd\""
2560        }
2561        append cmd { &}
2562
2563        if {[catch {eval exec $cmd} err]} {
2564                error_popup "Failed to start gitk:\n\n$err"
2565        } else {
2566                set ui_status_value $starting_gitk_msg
2567                after 10000 {
2568                        if {$ui_status_value eq $starting_gitk_msg} {
2569                                set ui_status_value {Ready.}
2570                        }
2571                }
2572        }
2573}
2574
2575proc do_gc {} {
2576        set w [new_console {gc} {Compressing the object database}]
2577        console_exec $w {git gc}
2578}
2579
2580proc do_fsck_objects {} {
2581        set w [new_console {fsck-objects} \
2582                {Verifying the object database with fsck-objects}]
2583        set cmd [list git fsck-objects]
2584        lappend cmd --full
2585        lappend cmd --cache
2586        lappend cmd --strict
2587        console_exec $w $cmd
2588}
2589
2590set is_quitting 0
2591
2592proc do_quit {} {
2593        global ui_comm is_quitting repo_config commit_type
2594
2595        if {$is_quitting} return
2596        set is_quitting 1
2597
2598        # -- Stash our current commit buffer.
2599        #
2600        set save [gitdir GITGUI_MSG]
2601        set msg [string trim [$ui_comm get 0.0 end]]
2602        if {![string match amend* $commit_type]
2603                && [$ui_comm edit modified]
2604                && $msg ne {}} {
2605                catch {
2606                        set fd [open $save w]
2607                        puts $fd [string trim [$ui_comm get 0.0 end]]
2608                        close $fd
2609                }
2610        } else {
2611                catch {file delete $save}
2612        }
2613
2614        # -- Stash our current window geometry into this repository.
2615        #
2616        set cfg_geometry [list]
2617        lappend cfg_geometry [wm geometry .]
2618        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2619        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2620        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2621                set rc_geometry {}
2622        }
2623        if {$cfg_geometry ne $rc_geometry} {
2624                catch {exec git repo-config gui.geometry $cfg_geometry}
2625        }
2626
2627        destroy .
2628}
2629
2630proc do_rescan {} {
2631        rescan {set ui_status_value {Ready.}}
2632}
2633
2634proc unstage_helper {txt paths} {
2635        global file_states current_diff_path
2636
2637        if {![lock_index begin-update]} return
2638
2639        set pathList [list]
2640        set after {}
2641        foreach path $paths {
2642                switch -glob -- [lindex $file_states($path) 0] {
2643                A? -
2644                M? -
2645                D? {
2646                        lappend pathList $path
2647                        if {$path eq $current_diff_path} {
2648                                set after {reshow_diff;}
2649                        }
2650                }
2651                }
2652        }
2653        if {$pathList eq {}} {
2654                unlock_index
2655        } else {
2656                update_indexinfo \
2657                        $txt \
2658                        $pathList \
2659                        [concat $after {set ui_status_value {Ready.}}]
2660        }
2661}
2662
2663proc do_unstage_selection {} {
2664        global current_diff_path selected_paths
2665
2666        if {[array size selected_paths] > 0} {
2667                unstage_helper \
2668                        {Unstaging selected files from commit} \
2669                        [array names selected_paths]
2670        } elseif {$current_diff_path ne {}} {
2671                unstage_helper \
2672                        "Unstaging [short_path $current_diff_path] from commit" \
2673                        [list $current_diff_path]
2674        }
2675}
2676
2677proc add_helper {txt paths} {
2678        global file_states current_diff_path
2679
2680        if {![lock_index begin-update]} return
2681
2682        set pathList [list]
2683        set after {}
2684        foreach path $paths {
2685                switch -glob -- [lindex $file_states($path) 0] {
2686                _O -
2687                ?M -
2688                ?D -
2689                U? {
2690                        lappend pathList $path
2691                        if {$path eq $current_diff_path} {
2692                                set after {reshow_diff;}
2693                        }
2694                }
2695                }
2696        }
2697        if {$pathList eq {}} {
2698                unlock_index
2699        } else {
2700                update_index \
2701                        $txt \
2702                        $pathList \
2703                        [concat $after {set ui_status_value {Ready to commit.}}]
2704        }
2705}
2706
2707proc do_add_selection {} {
2708        global current_diff_path selected_paths
2709
2710        if {[array size selected_paths] > 0} {
2711                add_helper \
2712                        {Adding selected files} \
2713                        [array names selected_paths]
2714        } elseif {$current_diff_path ne {}} {
2715                add_helper \
2716                        "Adding [short_path $current_diff_path]" \
2717                        [list $current_diff_path]
2718        }
2719}
2720
2721proc do_add_all {} {
2722        global file_states
2723
2724        set paths [list]
2725        foreach path [array names file_states] {
2726                switch -glob -- [lindex $file_states($path) 0] {
2727                U? {continue}
2728                ?M -
2729                ?D {lappend paths $path}
2730                }
2731        }
2732        add_helper {Adding all changed files} $paths
2733}
2734
2735proc revert_helper {txt paths} {
2736        global file_states current_diff_path
2737
2738        if {![lock_index begin-update]} return
2739
2740        set pathList [list]
2741        set after {}
2742        foreach path $paths {
2743                switch -glob -- [lindex $file_states($path) 0] {
2744                U? {continue}
2745                ?M -
2746                ?D {
2747                        lappend pathList $path
2748                        if {$path eq $current_diff_path} {
2749                                set after {reshow_diff;}
2750                        }
2751                }
2752                }
2753        }
2754
2755        set n [llength $pathList]
2756        if {$n == 0} {
2757                unlock_index
2758                return
2759        } elseif {$n == 1} {
2760                set s "[short_path [lindex $pathList]]"
2761        } else {
2762                set s "these $n files"
2763        }
2764
2765        set reply [tk_dialog \
2766                .confirm_revert \
2767                "[appname] ([reponame])" \
2768                "Revert changes in $s?
2769
2770Any unadded changes will be permanently lost by the revert." \
2771                question \
2772                1 \
2773                {Do Nothing} \
2774                {Revert Changes} \
2775                ]
2776        if {$reply == 1} {
2777                checkout_index \
2778                        $txt \
2779                        $pathList \
2780                        [concat $after {set ui_status_value {Ready.}}]
2781        } else {
2782                unlock_index
2783        }
2784}
2785
2786proc do_revert_selection {} {
2787        global current_diff_path selected_paths
2788
2789        if {[array size selected_paths] > 0} {
2790                revert_helper \
2791                        {Reverting selected files} \
2792                        [array names selected_paths]
2793        } elseif {$current_diff_path ne {}} {
2794                revert_helper \
2795                        "Reverting [short_path $current_diff_path]" \
2796                        [list $current_diff_path]
2797        }
2798}
2799
2800proc do_signoff {} {
2801        global ui_comm
2802
2803        set me [committer_ident]
2804        if {$me eq {}} return
2805
2806        set sob "Signed-off-by: $me"
2807        set last [$ui_comm get {end -1c linestart} {end -1c}]
2808        if {$last ne $sob} {
2809                $ui_comm edit separator
2810                if {$last ne {}
2811                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2812                        $ui_comm insert end "\n"
2813                }
2814                $ui_comm insert end "\n$sob"
2815                $ui_comm edit separator
2816                $ui_comm see end
2817        }
2818}
2819
2820proc do_select_commit_type {} {
2821        global commit_type selected_commit_type
2822
2823        if {$selected_commit_type eq {new}
2824                && [string match amend* $commit_type]} {
2825                create_new_commit
2826        } elseif {$selected_commit_type eq {amend}
2827                && ![string match amend* $commit_type]} {
2828                load_last_commit
2829
2830                # The amend request was rejected...
2831                #
2832                if {![string match amend* $commit_type]} {
2833                        set selected_commit_type new
2834                }
2835        }
2836}
2837
2838proc do_commit {} {
2839        commit_tree
2840}
2841
2842proc do_about {} {
2843        global appvers copyright
2844        global tcl_patchLevel tk_patchLevel
2845
2846        set w .about_dialog
2847        toplevel $w
2848        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2849
2850        label $w.header -text "About [appname]" \
2851                -font font_uibold
2852        pack $w.header -side top -fill x
2853
2854        frame $w.buttons
2855        button $w.buttons.close -text {Close} \
2856                -font font_ui \
2857                -command [list destroy $w]
2858        pack $w.buttons.close -side right
2859        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2860
2861        label $w.desc \
2862                -text "[appname] - a commit creation tool for Git.
2863$copyright" \
2864                -padx 5 -pady 5 \
2865                -justify left \
2866                -anchor w \
2867                -borderwidth 1 \
2868                -relief solid \
2869                -font font_ui
2870        pack $w.desc -side top -fill x -padx 5 -pady 5
2871
2872        set v {}
2873        append v "[appname] version $appvers\n"
2874        append v "[exec git version]\n"
2875        append v "\n"
2876        if {$tcl_patchLevel eq $tk_patchLevel} {
2877                append v "Tcl/Tk version $tcl_patchLevel"
2878        } else {
2879                append v "Tcl version $tcl_patchLevel"
2880                append v ", Tk version $tk_patchLevel"
2881        }
2882
2883        label $w.vers \
2884                -text $v \
2885                -padx 5 -pady 5 \
2886                -justify left \
2887                -anchor w \
2888                -borderwidth 1 \
2889                -relief solid \
2890                -font font_ui
2891        pack $w.vers -side top -fill x -padx 5 -pady 5
2892
2893        menu $w.ctxm -tearoff 0
2894        $w.ctxm add command \
2895                -label {Copy} \
2896                -font font_ui \
2897                -command "
2898                clipboard clear
2899                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2900        "
2901
2902        bind $w <Visibility> "grab $w; focus $w"
2903        bind $w <Key-Escape> "destroy $w"
2904        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2905        wm title $w "About [appname]"
2906        tkwait window $w
2907}
2908
2909proc do_options {} {
2910        global repo_config global_config font_descs
2911        global repo_config_new global_config_new
2912
2913        array unset repo_config_new
2914        array unset global_config_new
2915        foreach name [array names repo_config] {
2916                set repo_config_new($name) $repo_config($name)
2917        }
2918        load_config 1
2919        foreach name [array names repo_config] {
2920                switch -- $name {
2921                gui.diffcontext {continue}
2922                }
2923                set repo_config_new($name) $repo_config($name)
2924        }
2925        foreach name [array names global_config] {
2926                set global_config_new($name) $global_config($name)
2927        }
2928
2929        set w .options_editor
2930        toplevel $w
2931        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2932
2933        label $w.header -text "[appname] Options" \
2934                -font font_uibold
2935        pack $w.header -side top -fill x
2936
2937        frame $w.buttons
2938        button $w.buttons.restore -text {Restore Defaults} \
2939                -font font_ui \
2940                -command do_restore_defaults
2941        pack $w.buttons.restore -side left
2942        button $w.buttons.save -text Save \
2943                -font font_ui \
2944                -command [list do_save_config $w]
2945        pack $w.buttons.save -side right
2946        button $w.buttons.cancel -text {Cancel} \
2947                -font font_ui \
2948                -command [list destroy $w]
2949        pack $w.buttons.cancel -side right -padx 5
2950        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2951
2952        labelframe $w.repo -text "[reponame] Repository" \
2953                -font font_ui \
2954                -relief raised -borderwidth 2
2955        labelframe $w.global -text {Global (All Repositories)} \
2956                -font font_ui \
2957                -relief raised -borderwidth 2
2958        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2959        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2960
2961        foreach option {
2962                {b pullsummary {Show Pull Summary}}
2963                {b trustmtime  {Trust File Modification Timestamps}}
2964                {i diffcontext {Number of Diff Context Lines}}
2965                } {
2966                set type [lindex $option 0]
2967                set name [lindex $option 1]
2968                set text [lindex $option 2]
2969                foreach f {repo global} {
2970                        switch $type {
2971                        b {
2972                                checkbutton $w.$f.$name -text $text \
2973                                        -variable ${f}_config_new(gui.$name) \
2974                                        -onvalue true \
2975                                        -offvalue false \
2976                                        -font font_ui
2977                                pack $w.$f.$name -side top -anchor w
2978                        }
2979                        i {
2980                                frame $w.$f.$name
2981                                label $w.$f.$name.l -text "$text:" -font font_ui
2982                                pack $w.$f.$name.l -side left -anchor w -fill x
2983                                spinbox $w.$f.$name.v \
2984                                        -textvariable ${f}_config_new(gui.$name) \
2985                                        -from 1 -to 99 -increment 1 \
2986                                        -width 3 \
2987                                        -font font_ui
2988                                pack $w.$f.$name.v -side right -anchor e
2989                                pack $w.$f.$name -side top -anchor w -fill x
2990                        }
2991                        }
2992                }
2993        }
2994
2995        set all_fonts [lsort [font families]]
2996        foreach option $font_descs {
2997                set name [lindex $option 0]
2998                set font [lindex $option 1]
2999                set text [lindex $option 2]
3000
3001                set global_config_new(gui.$font^^family) \
3002                        [font configure $font -family]
3003                set global_config_new(gui.$font^^size) \
3004                        [font configure $font -size]
3005
3006                frame $w.global.$name
3007                label $w.global.$name.l -text "$text:" -font font_ui
3008                pack $w.global.$name.l -side left -anchor w -fill x
3009                eval tk_optionMenu $w.global.$name.family \
3010                        global_config_new(gui.$font^^family) \
3011                        $all_fonts
3012                spinbox $w.global.$name.size \
3013                        -textvariable global_config_new(gui.$font^^size) \
3014                        -from 2 -to 80 -increment 1 \
3015                        -width 3 \
3016                        -font font_ui
3017                pack $w.global.$name.size -side right -anchor e
3018                pack $w.global.$name.family -side right -anchor e
3019                pack $w.global.$name -side top -anchor w -fill x
3020        }
3021
3022        bind $w <Visibility> "grab $w; focus $w"
3023        bind $w <Key-Escape> "destroy $w"
3024        wm title $w "[appname] ([reponame]): Options"
3025        tkwait window $w
3026}
3027
3028proc do_restore_defaults {} {
3029        global font_descs default_config repo_config
3030        global repo_config_new global_config_new
3031
3032        foreach name [array names default_config] {
3033                set repo_config_new($name) $default_config($name)
3034                set global_config_new($name) $default_config($name)
3035        }
3036
3037        foreach option $font_descs {
3038                set name [lindex $option 0]
3039                set repo_config(gui.$name) $default_config(gui.$name)
3040        }
3041        apply_config
3042
3043        foreach option $font_descs {
3044                set name [lindex $option 0]
3045                set font [lindex $option 1]
3046                set global_config_new(gui.$font^^family) \
3047                        [font configure $font -family]
3048                set global_config_new(gui.$font^^size) \
3049                        [font configure $font -size]
3050        }
3051}
3052
3053proc do_save_config {w} {
3054        if {[catch {save_config} err]} {
3055                error_popup "Failed to completely save options:\n\n$err"
3056        }
3057        reshow_diff
3058        destroy $w
3059}
3060
3061proc do_windows_shortcut {} {
3062        global argv0
3063
3064        if {[catch {
3065                set desktop [exec cygpath \
3066                        --windows \
3067                        --absolute \
3068                        --long-name \
3069                        --desktop]
3070                }]} {
3071                        set desktop .
3072        }
3073        set fn [tk_getSaveFile \
3074                -parent . \
3075                -title "[appname] ([reponame]): Create Desktop Icon" \
3076                -initialdir $desktop \
3077                -initialfile "Git [reponame].bat"]
3078        if {$fn != {}} {
3079                if {[catch {
3080                                set fd [open $fn w]
3081                                set sh [exec cygpath \
3082                                        --windows \
3083                                        --absolute \
3084                                        /bin/sh]
3085                                set me [exec cygpath \
3086                                        --unix \
3087                                        --absolute \
3088                                        $argv0]
3089                                set gd [exec cygpath \
3090                                        --unix \
3091                                        --absolute \
3092                                        [gitdir]]
3093                                set gw [exec cygpath \
3094                                        --windows \
3095                                        --absolute \
3096                                        [file dirname [gitdir]]]
3097                                regsub -all ' $me "'\\''" me
3098                                regsub -all ' $gd "'\\''" gd
3099                                puts $fd "@ECHO Entering $gw"
3100                                puts $fd "@ECHO Starting git-gui... please wait..."
3101                                puts -nonewline $fd "@\"$sh\" --login -c \""
3102                                puts -nonewline $fd "GIT_DIR='$gd'"
3103                                puts -nonewline $fd " '$me'"
3104                                puts $fd "&\""
3105                                close $fd
3106                        } err]} {
3107                        error_popup "Cannot write script:\n\n$err"
3108                }
3109        }
3110}
3111
3112proc do_macosx_app {} {
3113        global argv0 env
3114
3115        set fn [tk_getSaveFile \
3116                -parent . \
3117                -title "[appname] ([reponame]): Create Desktop Icon" \
3118                -initialdir [file join $env(HOME) Desktop] \
3119                -initialfile "Git [reponame].app"]
3120        if {$fn != {}} {
3121                if {[catch {
3122                                set Contents [file join $fn Contents]
3123                                set MacOS [file join $Contents MacOS]
3124                                set exe [file join $MacOS git-gui]
3125
3126                                file mkdir $MacOS
3127
3128                                set fd [open [file join $Contents Info.plist] w]
3129                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3130<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3131<plist version="1.0">
3132<dict>
3133        <key>CFBundleDevelopmentRegion</key>
3134        <string>English</string>
3135        <key>CFBundleExecutable</key>
3136        <string>git-gui</string>
3137        <key>CFBundleIdentifier</key>
3138        <string>org.spearce.git-gui</string>
3139        <key>CFBundleInfoDictionaryVersion</key>
3140        <string>6.0</string>
3141        <key>CFBundlePackageType</key>
3142        <string>APPL</string>
3143        <key>CFBundleSignature</key>
3144        <string>????</string>
3145        <key>CFBundleVersion</key>
3146        <string>1.0</string>
3147        <key>NSPrincipalClass</key>
3148        <string>NSApplication</string>
3149</dict>
3150</plist>}
3151                                close $fd
3152
3153                                set fd [open $exe w]
3154                                set gd [file normalize [gitdir]]
3155                                set ep [file normalize [exec git --exec-path]]
3156                                regsub -all ' $gd "'\\''" gd
3157                                regsub -all ' $ep "'\\''" ep
3158                                puts $fd "#!/bin/sh"
3159                                foreach name [array names env] {
3160                                        if {[string match GIT_* $name]} {
3161                                                regsub -all ' $env($name) "'\\''" v
3162                                                puts $fd "export $name='$v'"
3163                                        }
3164                                }
3165                                puts $fd "export PATH='$ep':\$PATH"
3166                                puts $fd "export GIT_DIR='$gd'"
3167                                puts $fd "exec [file normalize $argv0]"
3168                                close $fd
3169
3170                                file attributes $exe -permissions u+x,g+x,o+x
3171                        } err]} {
3172                        error_popup "Cannot write icon:\n\n$err"
3173                }
3174        }
3175}
3176
3177proc toggle_or_diff {w x y} {
3178        global file_states file_lists current_diff_path ui_index ui_workdir
3179        global last_clicked selected_paths
3180
3181        set pos [split [$w index @$x,$y] .]
3182        set lno [lindex $pos 0]
3183        set col [lindex $pos 1]
3184        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3185        if {$path eq {}} {
3186                set last_clicked {}
3187                return
3188        }
3189
3190        set last_clicked [list $w $lno]
3191        array unset selected_paths
3192        $ui_index tag remove in_sel 0.0 end
3193        $ui_workdir tag remove in_sel 0.0 end
3194
3195        if {$col == 0} {
3196                if {$current_diff_path eq $path} {
3197                        set after {reshow_diff;}
3198                } else {
3199                        set after {}
3200                }
3201                if {$w eq $ui_index} {
3202                        update_indexinfo \
3203                                "Unstaging [short_path $path] from commit" \
3204                                [list $path] \
3205                                [concat $after {set ui_status_value {Ready.}}]
3206                } elseif {$w eq $ui_workdir} {
3207                        update_index \
3208                                "Adding [short_path $path]" \
3209                                [list $path] \
3210                                [concat $after {set ui_status_value {Ready.}}]
3211                }
3212        } else {
3213                show_diff $path $w $lno
3214        }
3215}
3216
3217proc add_one_to_selection {w x y} {
3218        global file_lists last_clicked selected_paths
3219
3220        set lno [lindex [split [$w index @$x,$y] .] 0]
3221        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3222        if {$path eq {}} {
3223                set last_clicked {}
3224                return
3225        }
3226
3227        if {$last_clicked ne {}
3228                && [lindex $last_clicked 0] ne $w} {
3229                array unset selected_paths
3230                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3231        }
3232
3233        set last_clicked [list $w $lno]
3234        if {[catch {set in_sel $selected_paths($path)}]} {
3235                set in_sel 0
3236        }
3237        if {$in_sel} {
3238                unset selected_paths($path)
3239                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3240        } else {
3241                set selected_paths($path) 1
3242                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3243        }
3244}
3245
3246proc add_range_to_selection {w x y} {
3247        global file_lists last_clicked selected_paths
3248
3249        if {[lindex $last_clicked 0] ne $w} {
3250                toggle_or_diff $w $x $y
3251                return
3252        }
3253
3254        set lno [lindex [split [$w index @$x,$y] .] 0]
3255        set lc [lindex $last_clicked 1]
3256        if {$lc < $lno} {
3257                set begin $lc
3258                set end $lno
3259        } else {
3260                set begin $lno
3261                set end $lc
3262        }
3263
3264        foreach path [lrange $file_lists($w) \
3265                [expr {$begin - 1}] \
3266                [expr {$end - 1}]] {
3267                set selected_paths($path) 1
3268        }
3269        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3270}
3271
3272######################################################################
3273##
3274## config defaults
3275
3276set cursor_ptr arrow
3277font create font_diff -family Courier -size 10
3278font create font_ui
3279catch {
3280        label .dummy
3281        eval font configure font_ui [font actual [.dummy cget -font]]
3282        destroy .dummy
3283}
3284
3285font create font_uibold
3286font create font_diffbold
3287
3288if {[is_Windows]} {
3289        set M1B Control
3290        set M1T Ctrl
3291} elseif {[is_MacOSX]} {
3292        set M1B M1
3293        set M1T Cmd
3294} else {
3295        set M1B M1
3296        set M1T M1
3297}
3298
3299proc apply_config {} {
3300        global repo_config font_descs
3301
3302        foreach option $font_descs {
3303                set name [lindex $option 0]
3304                set font [lindex $option 1]
3305                if {[catch {
3306                        foreach {cn cv} $repo_config(gui.$name) {
3307                                font configure $font $cn $cv
3308                        }
3309                        } err]} {
3310                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3311                }
3312                foreach {cn cv} [font configure $font] {
3313                        font configure ${font}bold $cn $cv
3314                }
3315                font configure ${font}bold -weight bold
3316        }
3317}
3318
3319set default_config(gui.trustmtime) false
3320set default_config(gui.pullsummary) true
3321set default_config(gui.diffcontext) 5
3322set default_config(gui.fontui) [font configure font_ui]
3323set default_config(gui.fontdiff) [font configure font_diff]
3324set font_descs {
3325        {fontui   font_ui   {Main Font}}
3326        {fontdiff font_diff {Diff/Console Font}}
3327}
3328load_config 0
3329apply_config
3330
3331######################################################################
3332##
3333## ui construction
3334
3335# -- Menu Bar
3336#
3337menu .mbar -tearoff 0
3338.mbar add cascade -label Repository -menu .mbar.repository
3339.mbar add cascade -label Edit -menu .mbar.edit
3340if {!$single_commit} {
3341        .mbar add cascade -label Branch -menu .mbar.branch
3342}
3343.mbar add cascade -label Commit -menu .mbar.commit
3344if {!$single_commit} {
3345        .mbar add cascade -label Fetch -menu .mbar.fetch
3346        .mbar add cascade -label Pull -menu .mbar.pull
3347        .mbar add cascade -label Push -menu .mbar.push
3348}
3349. configure -menu .mbar
3350
3351# -- Repository Menu
3352#
3353menu .mbar.repository
3354.mbar.repository add command \
3355        -label {Visualize Current Branch} \
3356        -command {do_gitk {}} \
3357        -font font_ui
3358if {![is_MacOSX]} {
3359        .mbar.repository add command \
3360                -label {Visualize All Branches} \
3361                -command {do_gitk {--all}} \
3362                -font font_ui
3363}
3364.mbar.repository add separator
3365
3366if {!$single_commit} {
3367        .mbar.repository add command -label {Compress Database} \
3368                -command do_gc \
3369                -font font_ui
3370
3371        .mbar.repository add command -label {Verify Database} \
3372                -command do_fsck_objects \
3373                -font font_ui
3374
3375        .mbar.repository add separator
3376
3377        if {[is_Windows]} {
3378                .mbar.repository add command \
3379                        -label {Create Desktop Icon} \
3380                        -command do_windows_shortcut \
3381                        -font font_ui
3382        } elseif {[is_MacOSX]} {
3383                .mbar.repository add command \
3384                        -label {Create Desktop Icon} \
3385                        -command do_macosx_app \
3386                        -font font_ui
3387        }
3388}
3389
3390.mbar.repository add command -label Quit \
3391        -command do_quit \
3392        -accelerator $M1T-Q \
3393        -font font_ui
3394
3395# -- Edit Menu
3396#
3397menu .mbar.edit
3398.mbar.edit add command -label Undo \
3399        -command {catch {[focus] edit undo}} \
3400        -accelerator $M1T-Z \
3401        -font font_ui
3402.mbar.edit add command -label Redo \
3403        -command {catch {[focus] edit redo}} \
3404        -accelerator $M1T-Y \
3405        -font font_ui
3406.mbar.edit add separator
3407.mbar.edit add command -label Cut \
3408        -command {catch {tk_textCut [focus]}} \
3409        -accelerator $M1T-X \
3410        -font font_ui
3411.mbar.edit add command -label Copy \
3412        -command {catch {tk_textCopy [focus]}} \
3413        -accelerator $M1T-C \
3414        -font font_ui
3415.mbar.edit add command -label Paste \
3416        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3417        -accelerator $M1T-V \
3418        -font font_ui
3419.mbar.edit add command -label Delete \
3420        -command {catch {[focus] delete sel.first sel.last}} \
3421        -accelerator Del \
3422        -font font_ui
3423.mbar.edit add separator
3424.mbar.edit add command -label {Select All} \
3425        -command {catch {[focus] tag add sel 0.0 end}} \
3426        -accelerator $M1T-A \
3427        -font font_ui
3428
3429# -- Branch Menu
3430#
3431if {!$single_commit} {
3432        menu .mbar.branch
3433
3434        .mbar.branch add command -label {Create...} \
3435                -command do_create_branch \
3436                -accelerator $M1T-N \
3437                -font font_ui
3438        lappend disable_on_lock [list .mbar.branch entryconf \
3439                [.mbar.branch index last] -state]
3440
3441        .mbar.branch add command -label {Delete...} \
3442                -command do_delete_branch \
3443                -font font_ui
3444        lappend disable_on_lock [list .mbar.branch entryconf \
3445                [.mbar.branch index last] -state]
3446}
3447
3448# -- Commit Menu
3449#
3450menu .mbar.commit
3451
3452.mbar.commit add radiobutton \
3453        -label {New Commit} \
3454        -command do_select_commit_type \
3455        -variable selected_commit_type \
3456        -value new \
3457        -font font_ui
3458lappend disable_on_lock \
3459        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3460
3461.mbar.commit add radiobutton \
3462        -label {Amend Last Commit} \
3463        -command do_select_commit_type \
3464        -variable selected_commit_type \
3465        -value amend \
3466        -font font_ui
3467lappend disable_on_lock \
3468        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3469
3470.mbar.commit add separator
3471
3472.mbar.commit add command -label Rescan \
3473        -command do_rescan \
3474        -accelerator F5 \
3475        -font font_ui
3476lappend disable_on_lock \
3477        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3478
3479.mbar.commit add command -label {Add To Commit} \
3480        -command do_add_selection \
3481        -font font_ui
3482lappend disable_on_lock \
3483        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3484
3485.mbar.commit add command -label {Add All To Commit} \
3486        -command do_add_all \
3487        -accelerator $M1T-I \
3488        -font font_ui
3489lappend disable_on_lock \
3490        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3491
3492.mbar.commit add command -label {Unstage From Commit} \
3493        -command do_unstage_selection \
3494        -font font_ui
3495lappend disable_on_lock \
3496        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3497
3498.mbar.commit add command -label {Revert Changes} \
3499        -command do_revert_selection \
3500        -font font_ui
3501lappend disable_on_lock \
3502        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3503
3504.mbar.commit add separator
3505
3506.mbar.commit add command -label {Sign Off} \
3507        -command do_signoff \
3508        -accelerator $M1T-S \
3509        -font font_ui
3510
3511.mbar.commit add command -label Commit \
3512        -command do_commit \
3513        -accelerator $M1T-Return \
3514        -font font_ui
3515lappend disable_on_lock \
3516        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3517
3518# -- Transport menus
3519#
3520if {!$single_commit} {
3521        menu .mbar.fetch
3522        menu .mbar.pull
3523        menu .mbar.push
3524}
3525
3526if {[is_MacOSX]} {
3527        # -- Apple Menu (Mac OS X only)
3528        #
3529        .mbar add cascade -label Apple -menu .mbar.apple
3530        menu .mbar.apple
3531
3532        .mbar.apple add command -label "About [appname]" \
3533                -command do_about \
3534                -font font_ui
3535        .mbar.apple add command -label "[appname] Options..." \
3536                -command do_options \
3537                -font font_ui
3538} else {
3539        # -- Edit Menu
3540        #
3541        .mbar.edit add separator
3542        .mbar.edit add command -label {Options...} \
3543                -command do_options \
3544                -font font_ui
3545
3546        # -- Tools Menu
3547        #
3548        if {[file exists /usr/local/miga/lib/gui-miga]
3549                && [file exists .pvcsrc]} {
3550        proc do_miga {} {
3551                global ui_status_value
3552                if {![lock_index update]} return
3553                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3554                set miga_fd [open "|$cmd" r]
3555                fconfigure $miga_fd -blocking 0
3556                fileevent $miga_fd readable [list miga_done $miga_fd]
3557                set ui_status_value {Running miga...}
3558        }
3559        proc miga_done {fd} {
3560                read $fd 512
3561                if {[eof $fd]} {
3562                        close $fd
3563                        unlock_index
3564                        rescan [list set ui_status_value {Ready.}]
3565                }
3566        }
3567        .mbar add cascade -label Tools -menu .mbar.tools
3568        menu .mbar.tools
3569        .mbar.tools add command -label "Migrate" \
3570                -command do_miga \
3571                -font font_ui
3572        lappend disable_on_lock \
3573                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3574        }
3575
3576        # -- Help Menu
3577        #
3578        .mbar add cascade -label Help -menu .mbar.help
3579        menu .mbar.help
3580
3581        .mbar.help add command -label "About [appname]" \
3582                -command do_about \
3583                -font font_ui
3584}
3585
3586
3587# -- Branch Control
3588#
3589frame .branch \
3590        -borderwidth 1 \
3591        -relief sunken
3592label .branch.l1 \
3593        -text {Current Branch:} \
3594        -anchor w \
3595        -justify left \
3596        -font font_ui
3597label .branch.cb \
3598        -textvariable current_branch \
3599        -anchor w \
3600        -justify left \
3601        -font font_ui
3602pack .branch.l1 -side left
3603pack .branch.cb -side left -fill x
3604pack .branch -side top -fill x
3605
3606# -- Main Window Layout
3607#
3608panedwindow .vpane -orient vertical
3609panedwindow .vpane.files -orient horizontal
3610.vpane add .vpane.files -sticky nsew -height 100 -width 400
3611pack .vpane -anchor n -side top -fill both -expand 1
3612
3613# -- Index File List
3614#
3615frame .vpane.files.index -height 100 -width 400
3616label .vpane.files.index.title -text {Changes To Be Committed} \
3617        -background green \
3618        -font font_ui
3619text $ui_index -background white -borderwidth 0 \
3620        -width 40 -height 10 \
3621        -font font_ui \
3622        -cursor $cursor_ptr \
3623        -yscrollcommand {.vpane.files.index.sb set} \
3624        -state disabled
3625scrollbar .vpane.files.index.sb -command [list $ui_index yview]
3626pack .vpane.files.index.title -side top -fill x
3627pack .vpane.files.index.sb -side right -fill y
3628pack $ui_index -side left -fill both -expand 1
3629.vpane.files add .vpane.files.index -sticky nsew
3630
3631# -- Working Directory File List
3632#
3633frame .vpane.files.workdir -height 100 -width 100
3634label .vpane.files.workdir.title -text {Changed But Not Updated} \
3635        -background red \
3636        -font font_ui
3637text $ui_workdir -background white -borderwidth 0 \
3638        -width 40 -height 10 \
3639        -font font_ui \
3640        -cursor $cursor_ptr \
3641        -yscrollcommand {.vpane.files.workdir.sb set} \
3642        -state disabled
3643scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
3644pack .vpane.files.workdir.title -side top -fill x
3645pack .vpane.files.workdir.sb -side right -fill y
3646pack $ui_workdir -side left -fill both -expand 1
3647.vpane.files add .vpane.files.workdir -sticky nsew
3648
3649foreach i [list $ui_index $ui_workdir] {
3650        $i tag conf in_diff -font font_uibold
3651        $i tag conf in_sel \
3652                -background [$i cget -foreground] \
3653                -foreground [$i cget -background]
3654}
3655unset i
3656
3657# -- Diff and Commit Area
3658#
3659frame .vpane.lower -height 300 -width 400
3660frame .vpane.lower.commarea
3661frame .vpane.lower.diff -relief sunken -borderwidth 1
3662pack .vpane.lower.commarea -side top -fill x
3663pack .vpane.lower.diff -side bottom -fill both -expand 1
3664.vpane add .vpane.lower -stick nsew
3665
3666# -- Commit Area Buttons
3667#
3668frame .vpane.lower.commarea.buttons
3669label .vpane.lower.commarea.buttons.l -text {} \
3670        -anchor w \
3671        -justify left \
3672        -font font_ui
3673pack .vpane.lower.commarea.buttons.l -side top -fill x
3674pack .vpane.lower.commarea.buttons -side left -fill y
3675
3676button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3677        -command do_rescan \
3678        -font font_ui
3679pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3680lappend disable_on_lock \
3681        {.vpane.lower.commarea.buttons.rescan conf -state}
3682
3683button .vpane.lower.commarea.buttons.incall -text {Add All} \
3684        -command do_add_all \
3685        -font font_ui
3686pack .vpane.lower.commarea.buttons.incall -side top -fill x
3687lappend disable_on_lock \
3688        {.vpane.lower.commarea.buttons.incall conf -state}
3689
3690button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3691        -command do_signoff \
3692        -font font_ui
3693pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3694
3695button .vpane.lower.commarea.buttons.commit -text {Commit} \
3696        -command do_commit \
3697        -font font_ui
3698pack .vpane.lower.commarea.buttons.commit -side top -fill x
3699lappend disable_on_lock \
3700        {.vpane.lower.commarea.buttons.commit conf -state}
3701
3702# -- Commit Message Buffer
3703#
3704frame .vpane.lower.commarea.buffer
3705frame .vpane.lower.commarea.buffer.header
3706set ui_comm .vpane.lower.commarea.buffer.t
3707set ui_coml .vpane.lower.commarea.buffer.header.l
3708radiobutton .vpane.lower.commarea.buffer.header.new \
3709        -text {New Commit} \
3710        -command do_select_commit_type \
3711        -variable selected_commit_type \
3712        -value new \
3713        -font font_ui
3714lappend disable_on_lock \
3715        [list .vpane.lower.commarea.buffer.header.new conf -state]
3716radiobutton .vpane.lower.commarea.buffer.header.amend \
3717        -text {Amend Last Commit} \
3718        -command do_select_commit_type \
3719        -variable selected_commit_type \
3720        -value amend \
3721        -font font_ui
3722lappend disable_on_lock \
3723        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3724label $ui_coml \
3725        -anchor w \
3726        -justify left \
3727        -font font_ui
3728proc trace_commit_type {varname args} {
3729        global ui_coml commit_type
3730        switch -glob -- $commit_type {
3731        initial       {set txt {Initial Commit Message:}}
3732        amend         {set txt {Amended Commit Message:}}
3733        amend-initial {set txt {Amended Initial Commit Message:}}
3734        amend-merge   {set txt {Amended Merge Commit Message:}}
3735        merge         {set txt {Merge Commit Message:}}
3736        *             {set txt {Commit Message:}}
3737        }
3738        $ui_coml conf -text $txt
3739}
3740trace add variable commit_type write trace_commit_type
3741pack $ui_coml -side left -fill x
3742pack .vpane.lower.commarea.buffer.header.amend -side right
3743pack .vpane.lower.commarea.buffer.header.new -side right
3744
3745text $ui_comm -background white -borderwidth 1 \
3746        -undo true \
3747        -maxundo 20 \
3748        -autoseparators true \
3749        -relief sunken \
3750        -width 75 -height 9 -wrap none \
3751        -font font_diff \
3752        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3753scrollbar .vpane.lower.commarea.buffer.sby \
3754        -command [list $ui_comm yview]
3755pack .vpane.lower.commarea.buffer.header -side top -fill x
3756pack .vpane.lower.commarea.buffer.sby -side right -fill y
3757pack $ui_comm -side left -fill y
3758pack .vpane.lower.commarea.buffer -side left -fill y
3759
3760# -- Commit Message Buffer Context Menu
3761#
3762set ctxm .vpane.lower.commarea.buffer.ctxm
3763menu $ctxm -tearoff 0
3764$ctxm add command \
3765        -label {Cut} \
3766        -font font_ui \
3767        -command {tk_textCut $ui_comm}
3768$ctxm add command \
3769        -label {Copy} \
3770        -font font_ui \
3771        -command {tk_textCopy $ui_comm}
3772$ctxm add command \
3773        -label {Paste} \
3774        -font font_ui \
3775        -command {tk_textPaste $ui_comm}
3776$ctxm add command \
3777        -label {Delete} \
3778        -font font_ui \
3779        -command {$ui_comm delete sel.first sel.last}
3780$ctxm add separator
3781$ctxm add command \
3782        -label {Select All} \
3783        -font font_ui \
3784        -command {$ui_comm tag add sel 0.0 end}
3785$ctxm add command \
3786        -label {Copy All} \
3787        -font font_ui \
3788        -command {
3789                $ui_comm tag add sel 0.0 end
3790                tk_textCopy $ui_comm
3791                $ui_comm tag remove sel 0.0 end
3792        }
3793$ctxm add separator
3794$ctxm add command \
3795        -label {Sign Off} \
3796        -font font_ui \
3797        -command do_signoff
3798bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3799
3800# -- Diff Header
3801#
3802set current_diff_path {}
3803set diff_actions [list]
3804proc trace_current_diff_path {varname args} {
3805        global current_diff_path diff_actions file_states
3806        if {$current_diff_path eq {}} {
3807                set s {}
3808                set f {}
3809                set p {}
3810                set o disabled
3811        } else {
3812                set p $current_diff_path
3813                set s [mapdesc [lindex $file_states($p) 0] $p]
3814                set f {File:}
3815                set p [escape_path $p]
3816                set o normal
3817        }
3818
3819        .vpane.lower.diff.header.status configure -text $s
3820        .vpane.lower.diff.header.file configure -text $f
3821        .vpane.lower.diff.header.path configure -text $p
3822        foreach w $diff_actions {
3823                uplevel #0 $w $o
3824        }
3825}
3826trace add variable current_diff_path write trace_current_diff_path
3827
3828frame .vpane.lower.diff.header -background orange
3829label .vpane.lower.diff.header.status \
3830        -background orange \
3831        -width $max_status_desc \
3832        -anchor w \
3833        -justify left \
3834        -font font_ui
3835label .vpane.lower.diff.header.file \
3836        -background orange \
3837        -anchor w \
3838        -justify left \
3839        -font font_ui
3840label .vpane.lower.diff.header.path \
3841        -background orange \
3842        -anchor w \
3843        -justify left \
3844        -font font_ui
3845pack .vpane.lower.diff.header.status -side left
3846pack .vpane.lower.diff.header.file -side left
3847pack .vpane.lower.diff.header.path -fill x
3848set ctxm .vpane.lower.diff.header.ctxm
3849menu $ctxm -tearoff 0
3850$ctxm add command \
3851        -label {Copy} \
3852        -font font_ui \
3853        -command {
3854                clipboard clear
3855                clipboard append \
3856                        -format STRING \
3857                        -type STRING \
3858                        -- $current_diff_path
3859        }
3860lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3861bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3862
3863# -- Diff Body
3864#
3865frame .vpane.lower.diff.body
3866set ui_diff .vpane.lower.diff.body.t
3867text $ui_diff -background white -borderwidth 0 \
3868        -width 80 -height 15 -wrap none \
3869        -font font_diff \
3870        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3871        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3872        -state disabled
3873scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3874        -command [list $ui_diff xview]
3875scrollbar .vpane.lower.diff.body.sby -orient vertical \
3876        -command [list $ui_diff yview]
3877pack .vpane.lower.diff.body.sbx -side bottom -fill x
3878pack .vpane.lower.diff.body.sby -side right -fill y
3879pack $ui_diff -side left -fill both -expand 1
3880pack .vpane.lower.diff.header -side top -fill x
3881pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3882
3883$ui_diff tag conf d_@ -font font_diffbold
3884$ui_diff tag conf d_+ -foreground blue
3885$ui_diff tag conf d_- -foreground red
3886
3887$ui_diff tag conf d_++ -foreground blue
3888$ui_diff tag conf d_-- -foreground red
3889$ui_diff tag conf d_+s \
3890        -foreground blue \
3891        -background azure2
3892$ui_diff tag conf d_-s \
3893        -foreground red \
3894        -background azure2
3895$ui_diff tag conf d_s+ \
3896        -foreground blue \
3897        -background {light goldenrod yellow}
3898$ui_diff tag conf d_s- \
3899        -foreground red \
3900        -background {light goldenrod yellow}
3901
3902$ui_diff tag conf d<<<<<<< \
3903        -foreground orange \
3904        -font font_diffbold
3905$ui_diff tag conf d======= \
3906        -foreground orange \
3907        -font font_diffbold
3908$ui_diff tag conf d>>>>>>> \
3909        -foreground orange \
3910        -font font_diffbold
3911
3912# -- Diff Body Context Menu
3913#
3914set ctxm .vpane.lower.diff.body.ctxm
3915menu $ctxm -tearoff 0
3916$ctxm add command \
3917        -label {Refresh} \
3918        -font font_ui \
3919        -command reshow_diff
3920$ctxm add command \
3921        -label {Copy} \
3922        -font font_ui \
3923        -command {tk_textCopy $ui_diff}
3924lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3925$ctxm add command \
3926        -label {Select All} \
3927        -font font_ui \
3928        -command {$ui_diff tag add sel 0.0 end}
3929lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3930$ctxm add command \
3931        -label {Copy All} \
3932        -font font_ui \
3933        -command {
3934                $ui_diff tag add sel 0.0 end
3935                tk_textCopy $ui_diff
3936                $ui_diff tag remove sel 0.0 end
3937        }
3938lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3939$ctxm add separator
3940$ctxm add command \
3941        -label {Decrease Font Size} \
3942        -font font_ui \
3943        -command {incr_font_size font_diff -1}
3944lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3945$ctxm add command \
3946        -label {Increase Font Size} \
3947        -font font_ui \
3948        -command {incr_font_size font_diff 1}
3949lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3950$ctxm add separator
3951$ctxm add command \
3952        -label {Show Less Context} \
3953        -font font_ui \
3954        -command {if {$repo_config(gui.diffcontext) >= 2} {
3955                incr repo_config(gui.diffcontext) -1
3956                reshow_diff
3957        }}
3958lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3959$ctxm add command \
3960        -label {Show More Context} \
3961        -font font_ui \
3962        -command {
3963                incr repo_config(gui.diffcontext)
3964                reshow_diff
3965        }
3966lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3967$ctxm add separator
3968$ctxm add command -label {Options...} \
3969        -font font_ui \
3970        -command do_options
3971bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
3972
3973# -- Status Bar
3974#
3975set ui_status_value {Initializing...}
3976label .status -textvariable ui_status_value \
3977        -anchor w \
3978        -justify left \
3979        -borderwidth 1 \
3980        -relief sunken \
3981        -font font_ui
3982pack .status -anchor w -side bottom -fill x
3983
3984# -- Load geometry
3985#
3986catch {
3987set gm $repo_config(gui.geometry)
3988wm geometry . [lindex $gm 0]
3989.vpane sash place 0 \
3990        [lindex [.vpane sash coord 0] 0] \
3991        [lindex $gm 1]
3992.vpane.files sash place 0 \
3993        [lindex $gm 2] \
3994        [lindex [.vpane.files sash coord 0] 1]
3995unset gm
3996}
3997
3998# -- Key Bindings
3999#
4000bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4001bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4002bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4003bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4004bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4005bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4006bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4007bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4008bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4009bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4010bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4011
4012bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4013bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4014bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4015bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4016bind $ui_diff <$M1B-Key-v> {break}
4017bind $ui_diff <$M1B-Key-V> {break}
4018bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4019bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4020bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4021bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4022bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4023bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4024
4025if {!$single_commit} {
4026        bind . <$M1B-Key-n> do_create_branch
4027        bind . <$M1B-Key-N> do_create_branch
4028}
4029
4030bind .   <Destroy> do_quit
4031bind all <Key-F5> do_rescan
4032bind all <$M1B-Key-r> do_rescan
4033bind all <$M1B-Key-R> do_rescan
4034bind .   <$M1B-Key-s> do_signoff
4035bind .   <$M1B-Key-S> do_signoff
4036bind .   <$M1B-Key-i> do_add_all
4037bind .   <$M1B-Key-I> do_add_all
4038bind .   <$M1B-Key-Return> do_commit
4039bind all <$M1B-Key-q> do_quit
4040bind all <$M1B-Key-Q> do_quit
4041bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4042bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4043foreach i [list $ui_index $ui_workdir] {
4044        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4045        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4046        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4047}
4048unset i
4049
4050set file_lists($ui_index) [list]
4051set file_lists($ui_workdir) [list]
4052
4053set HEAD {}
4054set PARENT {}
4055set MERGE_HEAD [list]
4056set commit_type {}
4057set empty_tree {}
4058set current_branch {}
4059set current_diff_path {}
4060set selected_commit_type new
4061
4062wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4063focus -force $ui_comm
4064
4065# -- Warn the user about environmental problems.  Cygwin's Tcl
4066#    does *not* pass its env array onto any processes it spawns.
4067#    This means that git processes get none of our environment.
4068#
4069if {[is_Windows]} {
4070        set ignored_env 0
4071        set suggest_user {}
4072        set msg "Possible environment issues exist.
4073
4074The following environment variables are probably
4075going to be ignored by any Git subprocess run
4076by [appname]:
4077
4078"
4079        foreach name [array names env] {
4080                switch -regexp -- $name {
4081                {^GIT_INDEX_FILE$} -
4082                {^GIT_OBJECT_DIRECTORY$} -
4083                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4084                {^GIT_DIFF_OPTS$} -
4085                {^GIT_EXTERNAL_DIFF$} -
4086                {^GIT_PAGER$} -
4087                {^GIT_TRACE$} -
4088                {^GIT_CONFIG$} -
4089                {^GIT_CONFIG_LOCAL$} -
4090                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4091                        append msg " - $name\n"
4092                        incr ignored_env
4093                }
4094                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4095                        append msg " - $name\n"
4096                        incr ignored_env
4097                        set suggest_user $name
4098                }
4099                }
4100        }
4101        if {$ignored_env > 0} {
4102                append msg "
4103This is due to a known issue with the
4104Tcl binary distributed by Cygwin."
4105
4106                if {$suggest_user ne {}} {
4107                        append msg "
4108
4109A good replacement for $suggest_user
4110is placing values for the user.name and
4111user.email settings into your personal
4112~/.gitconfig file.
4113"
4114                }
4115                warn_popup $msg
4116        }
4117        unset ignored_env msg suggest_user name
4118}
4119
4120# -- Only initialize complex UI if we are going to stay running.
4121#
4122if {!$single_commit} {
4123        load_all_remotes
4124        load_all_heads
4125
4126        populate_branch_menu
4127        populate_fetch_menu .mbar.fetch
4128        populate_pull_menu .mbar.pull
4129        populate_push_menu .mbar.push
4130}
4131
4132# -- Only suggest a gc run if we are going to stay running.
4133#
4134if {!$single_commit} {
4135        set object_limit 2000
4136        if {[is_Windows]} {set object_limit 200}
4137        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4138        if {$objects_current >= $object_limit} {
4139                if {[ask_popup \
4140                        "This repository currently has $objects_current loose objects.
4141
4142To maintain optimal performance it is strongly
4143recommended that you compress the database
4144when more than $object_limit loose objects exist.
4145
4146Compress the database now?"] eq yes} {
4147                        do_gc
4148                }
4149        }
4150        unset object_limit _junk objects_current
4151}
4152
4153lock_index begin-read
4154after 1 do_rescan