git-gui.shon commit git-gui: Give a better error message on an empty branch name. (e754d6e)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GIT_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _reponame {}
  30
  31proc appname {} {
  32        global _appname
  33        return $_appname
  34}
  35
  36proc gitdir {args} {
  37        global _gitdir
  38        if {$args eq {}} {
  39                return $_gitdir
  40        }
  41        return [eval [concat [list file join $_gitdir] $args]]
  42}
  43
  44proc reponame {} {
  45        global _reponame
  46        return $_reponame
  47}
  48
  49######################################################################
  50##
  51## config
  52
  53proc is_many_config {name} {
  54        switch -glob -- $name {
  55        remote.*.fetch -
  56        remote.*.push
  57                {return 1}
  58        *
  59                {return 0}
  60        }
  61}
  62
  63proc load_config {include_global} {
  64        global repo_config global_config default_config
  65
  66        array unset global_config
  67        if {$include_global} {
  68                catch {
  69                        set fd_rc [open "| git repo-config --global --list" r]
  70                        while {[gets $fd_rc line] >= 0} {
  71                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  72                                        if {[is_many_config $name]} {
  73                                                lappend global_config($name) $value
  74                                        } else {
  75                                                set global_config($name) $value
  76                                        }
  77                                }
  78                        }
  79                        close $fd_rc
  80                }
  81        }
  82
  83        array unset repo_config
  84        catch {
  85                set fd_rc [open "| git repo-config --list" r]
  86                while {[gets $fd_rc line] >= 0} {
  87                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  88                                if {[is_many_config $name]} {
  89                                        lappend repo_config($name) $value
  90                                } else {
  91                                        set repo_config($name) $value
  92                                }
  93                        }
  94                }
  95                close $fd_rc
  96        }
  97
  98        foreach name [array names default_config] {
  99                if {[catch {set v $global_config($name)}]} {
 100                        set global_config($name) $default_config($name)
 101                }
 102                if {[catch {set v $repo_config($name)}]} {
 103                        set repo_config($name) $default_config($name)
 104                }
 105        }
 106}
 107
 108proc save_config {} {
 109        global default_config font_descs
 110        global repo_config global_config
 111        global repo_config_new global_config_new
 112
 113        foreach option $font_descs {
 114                set name [lindex $option 0]
 115                set font [lindex $option 1]
 116                font configure $font \
 117                        -family $global_config_new(gui.$font^^family) \
 118                        -size $global_config_new(gui.$font^^size)
 119                font configure ${font}bold \
 120                        -family $global_config_new(gui.$font^^family) \
 121                        -size $global_config_new(gui.$font^^size)
 122                set global_config_new(gui.$name) [font configure $font]
 123                unset global_config_new(gui.$font^^family)
 124                unset global_config_new(gui.$font^^size)
 125        }
 126
 127        foreach name [array names default_config] {
 128                set value $global_config_new($name)
 129                if {$value ne $global_config($name)} {
 130                        if {$value eq $default_config($name)} {
 131                                catch {exec git repo-config --global --unset $name}
 132                        } else {
 133                                regsub -all "\[{}\]" $value {"} value
 134                                exec git repo-config --global $name $value
 135                        }
 136                        set global_config($name) $value
 137                        if {$value eq $repo_config($name)} {
 138                                catch {exec git repo-config --unset $name}
 139                                set repo_config($name) $value
 140                        }
 141                }
 142        }
 143
 144        foreach name [array names default_config] {
 145                set value $repo_config_new($name)
 146                if {$value ne $repo_config($name)} {
 147                        if {$value eq $global_config($name)} {
 148                                catch {exec git repo-config --unset $name}
 149                        } else {
 150                                regsub -all "\[{}\]" $value {"} value
 151                                exec git repo-config $name $value
 152                        }
 153                        set repo_config($name) $value
 154                }
 155        }
 156}
 157
 158proc error_popup {msg} {
 159        set title [appname]
 160        if {[reponame] ne {}} {
 161                append title " ([reponame])"
 162        }
 163        set cmd [list tk_messageBox \
 164                -icon error \
 165                -type ok \
 166                -title "$title: error" \
 167                -message $msg]
 168        if {[winfo ismapped .]} {
 169                lappend cmd -parent .
 170        }
 171        eval $cmd
 172}
 173
 174proc warn_popup {msg} {
 175        set title [appname]
 176        if {[reponame] ne {}} {
 177                append title " ([reponame])"
 178        }
 179        set cmd [list tk_messageBox \
 180                -icon warning \
 181                -type ok \
 182                -title "$title: warning" \
 183                -message $msg]
 184        if {[winfo ismapped .]} {
 185                lappend cmd -parent .
 186        }
 187        eval $cmd
 188}
 189
 190proc info_popup {msg} {
 191        set title [appname]
 192        if {[reponame] ne {}} {
 193                append title " ([reponame])"
 194        }
 195        tk_messageBox \
 196                -parent . \
 197                -icon info \
 198                -type ok \
 199                -title $title \
 200                -message $msg
 201}
 202
 203proc ask_popup {msg} {
 204        set title [appname]
 205        if {[reponame] ne {}} {
 206                append title " ([reponame])"
 207        }
 208        return [tk_messageBox \
 209                -parent . \
 210                -icon question \
 211                -type yesno \
 212                -title $title \
 213                -message $msg]
 214}
 215
 216######################################################################
 217##
 218## repository setup
 219
 220if {   [catch {set _gitdir $env(GIT_DIR)}]
 221        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 222        catch {wm withdraw .}
 223        error_popup "Cannot find the git directory:\n\n$err"
 224        exit 1
 225}
 226if {![file isdirectory $_gitdir]} {
 227        catch {wm withdraw .}
 228        error_popup "Git directory not found:\n\n$_gitdir"
 229        exit 1
 230}
 231if {[lindex [file split $_gitdir] end] ne {.git}} {
 232        catch {wm withdraw .}
 233        error_popup "Cannot use funny .git directory:\n\n$gitdir"
 234        exit 1
 235}
 236if {[catch {cd [file dirname $_gitdir]} err]} {
 237        catch {wm withdraw .}
 238        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 239        exit 1
 240}
 241set _reponame [lindex [file split \
 242        [file normalize [file dirname $_gitdir]]] \
 243        end]
 244
 245set single_commit 0
 246if {[appname] eq {git-citool}} {
 247        set single_commit 1
 248}
 249
 250######################################################################
 251##
 252## task management
 253
 254set rescan_active 0
 255set diff_active 0
 256set last_clicked {}
 257
 258set disable_on_lock [list]
 259set index_lock_type none
 260
 261proc lock_index {type} {
 262        global index_lock_type disable_on_lock
 263
 264        if {$index_lock_type eq {none}} {
 265                set index_lock_type $type
 266                foreach w $disable_on_lock {
 267                        uplevel #0 $w disabled
 268                }
 269                return 1
 270        } elseif {$index_lock_type eq "begin-$type"} {
 271                set index_lock_type $type
 272                return 1
 273        }
 274        return 0
 275}
 276
 277proc unlock_index {} {
 278        global index_lock_type disable_on_lock
 279
 280        set index_lock_type none
 281        foreach w $disable_on_lock {
 282                uplevel #0 $w normal
 283        }
 284}
 285
 286######################################################################
 287##
 288## status
 289
 290proc repository_state {ctvar hdvar mhvar} {
 291        global current_branch
 292        upvar $ctvar ct $hdvar hd $mhvar mh
 293
 294        set mh [list]
 295
 296        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 297                set current_branch {}
 298        } else {
 299                regsub ^refs/((heads|tags|remotes)/)? \
 300                        $current_branch \
 301                        {} \
 302                        current_branch
 303        }
 304
 305        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 306                set hd {}
 307                set ct initial
 308                return
 309        }
 310
 311        set merge_head [gitdir MERGE_HEAD]
 312        if {[file exists $merge_head]} {
 313                set ct merge
 314                set fd_mh [open $merge_head r]
 315                while {[gets $fd_mh line] >= 0} {
 316                        lappend mh $line
 317                }
 318                close $fd_mh
 319                return
 320        }
 321
 322        set ct normal
 323}
 324
 325proc PARENT {} {
 326        global PARENT empty_tree
 327
 328        set p [lindex $PARENT 0]
 329        if {$p ne {}} {
 330                return $p
 331        }
 332        if {$empty_tree eq {}} {
 333                set empty_tree [exec git mktree << {}]
 334        }
 335        return $empty_tree
 336}
 337
 338proc rescan {after} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$rescan_active > 0 || ![lock_index read]} return
 345
 346        repository_state newType newHEAD newMERGE_HEAD
 347        if {[string match amend* $commit_type]
 348                && $newType eq {normal}
 349                && $newHEAD eq $HEAD} {
 350        } else {
 351                set HEAD $newHEAD
 352                set PARENT $newHEAD
 353                set MERGE_HEAD $newMERGE_HEAD
 354                set commit_type $newType
 355        }
 356
 357        array unset file_states
 358
 359        if {![$ui_comm edit modified]
 360                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                if {[load_message GITGUI_MSG]} {
 362                } elseif {[load_message MERGE_MSG]} {
 363                } elseif {[load_message SQUASH_MSG]} {
 364                }
 365                $ui_comm edit reset
 366                $ui_comm edit modified false
 367        }
 368
 369        if {$repo_config(gui.trustmtime) eq {true}} {
 370                rescan_stage2 {} $after
 371        } else {
 372                set rescan_active 1
 373                set ui_status_value {Refreshing file status...}
 374                set cmd [list git update-index]
 375                lappend cmd -q
 376                lappend cmd --unmerged
 377                lappend cmd --ignore-missing
 378                lappend cmd --refresh
 379                set fd_rf [open "| $cmd" r]
 380                fconfigure $fd_rf -blocking 0 -translation binary
 381                fileevent $fd_rf readable \
 382                        [list rescan_stage2 $fd_rf $after]
 383        }
 384}
 385
 386proc rescan_stage2 {fd after} {
 387        global ui_status_value
 388        global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390        if {$fd ne {}} {
 391                read $fd
 392                if {![eof $fd]} return
 393                close $fd
 394        }
 395
 396        set ls_others [list | git ls-files --others -z \
 397                --exclude-per-directory=.gitignore]
 398        set info_exclude [gitdir info exclude]
 399        if {[file readable $info_exclude]} {
 400                lappend ls_others "--exclude-from=$info_exclude"
 401        }
 402
 403        set buf_rdi {}
 404        set buf_rdf {}
 405        set buf_rlo {}
 406
 407        set rescan_active 3
 408        set ui_status_value {Scanning for modified files ...}
 409        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410        set fd_df [open "| git diff-files -z" r]
 411        set fd_lo [open $ls_others r]
 412
 413        fconfigure $fd_di -blocking 0 -translation binary
 414        fconfigure $fd_df -blocking 0 -translation binary
 415        fconfigure $fd_lo -blocking 0 -translation binary
 416        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 417        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 418        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 419}
 420
 421proc load_message {file} {
 422        global ui_comm
 423
 424        set f [gitdir $file]
 425        if {[file isfile $f]} {
 426                if {[catch {set fd [open $f r]}]} {
 427                        return 0
 428                }
 429                set content [string trim [read $fd]]
 430                close $fd
 431                $ui_comm delete 0.0 end
 432                $ui_comm insert end $content
 433                return 1
 434        }
 435        return 0
 436}
 437
 438proc read_diff_index {fd after} {
 439        global buf_rdi
 440
 441        append buf_rdi [read $fd]
 442        set c 0
 443        set n [string length $buf_rdi]
 444        while {$c < $n} {
 445                set z1 [string first "\0" $buf_rdi $c]
 446                if {$z1 == -1} break
 447                incr z1
 448                set z2 [string first "\0" $buf_rdi $z1]
 449                if {$z2 == -1} break
 450
 451                incr c
 452                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 453                merge_state \
 454                        [string range $buf_rdi $z1 [expr {$z2 - 1}]] \
 455                        [lindex $i 4]? \
 456                        [list [lindex $i 0] [lindex $i 2]] \
 457                        [list]
 458                set c $z2
 459                incr c
 460        }
 461        if {$c < $n} {
 462                set buf_rdi [string range $buf_rdi $c end]
 463        } else {
 464                set buf_rdi {}
 465        }
 466
 467        rescan_done $fd buf_rdi $after
 468}
 469
 470proc read_diff_files {fd after} {
 471        global buf_rdf
 472
 473        append buf_rdf [read $fd]
 474        set c 0
 475        set n [string length $buf_rdf]
 476        while {$c < $n} {
 477                set z1 [string first "\0" $buf_rdf $c]
 478                if {$z1 == -1} break
 479                incr z1
 480                set z2 [string first "\0" $buf_rdf $z1]
 481                if {$z2 == -1} break
 482
 483                incr c
 484                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 485                merge_state \
 486                        [string range $buf_rdf $z1 [expr {$z2 - 1}]] \
 487                        ?[lindex $i 4] \
 488                        [list] \
 489                        [list [lindex $i 0] [lindex $i 2]]
 490                set c $z2
 491                incr c
 492        }
 493        if {$c < $n} {
 494                set buf_rdf [string range $buf_rdf $c end]
 495        } else {
 496                set buf_rdf {}
 497        }
 498
 499        rescan_done $fd buf_rdf $after
 500}
 501
 502proc read_ls_others {fd after} {
 503        global buf_rlo
 504
 505        append buf_rlo [read $fd]
 506        set pck [split $buf_rlo "\0"]
 507        set buf_rlo [lindex $pck end]
 508        foreach p [lrange $pck 0 end-1] {
 509                merge_state $p ?O
 510        }
 511        rescan_done $fd buf_rlo $after
 512}
 513
 514proc rescan_done {fd buf after} {
 515        global rescan_active
 516        global file_states repo_config
 517        upvar $buf to_clear
 518
 519        if {![eof $fd]} return
 520        set to_clear {}
 521        close $fd
 522        if {[incr rescan_active -1] > 0} return
 523
 524        prune_selection
 525        unlock_index
 526        display_all_files
 527        reshow_diff
 528        uplevel #0 $after
 529}
 530
 531proc prune_selection {} {
 532        global file_states selected_paths
 533
 534        foreach path [array names selected_paths] {
 535                if {[catch {set still_here $file_states($path)}]} {
 536                        unset selected_paths($path)
 537                }
 538        }
 539}
 540
 541######################################################################
 542##
 543## diff
 544
 545proc clear_diff {} {
 546        global ui_diff current_diff_path ui_index ui_workdir
 547
 548        $ui_diff conf -state normal
 549        $ui_diff delete 0.0 end
 550        $ui_diff conf -state disabled
 551
 552        set current_diff_path {}
 553
 554        $ui_index tag remove in_diff 0.0 end
 555        $ui_workdir tag remove in_diff 0.0 end
 556}
 557
 558proc reshow_diff {} {
 559        global ui_status_value file_states file_lists
 560        global current_diff_path current_diff_side
 561
 562        set p $current_diff_path
 563        if {$p eq {}
 564                || $current_diff_side eq {}
 565                || [catch {set s $file_states($p)}]
 566                || [lsearch -sorted $file_lists($current_diff_side) $p] == -1} {
 567                clear_diff
 568        } else {
 569                show_diff $p $current_diff_side
 570        }
 571}
 572
 573proc handle_empty_diff {} {
 574        global current_diff_path file_states file_lists
 575
 576        set path $current_diff_path
 577        set s $file_states($path)
 578        if {[lindex $s 0] ne {_M}} return
 579
 580        info_popup "No differences detected.
 581
 582[short_path $path] has no changes.
 583
 584The modification date of this file was updated
 585by another application and you currently have
 586the Trust File Modification Timestamps option
 587enabled, so Git did not automatically detect
 588that there are no content differences in this
 589file.
 590
 591This file will now be removed from the modified
 592files list, to prevent possible confusion.
 593"
 594        if {[catch {exec git update-index -- $path} err]} {
 595                error_popup "Failed to refresh index:\n\n$err"
 596        }
 597
 598        clear_diff
 599        display_file $path __
 600}
 601
 602proc show_diff {path w {lno {}}} {
 603        global file_states file_lists
 604        global is_3way_diff diff_active repo_config
 605        global ui_diff ui_status_value ui_index ui_workdir
 606        global current_diff_path current_diff_side
 607
 608        if {$diff_active || ![lock_index read]} return
 609
 610        clear_diff
 611        if {$w eq {} || $lno == {}} {
 612                foreach w [array names file_lists] {
 613                        set lno [lsearch -sorted $file_lists($w) $path]
 614                        if {$lno >= 0} {
 615                                incr lno
 616                                break
 617                        }
 618                }
 619        }
 620        if {$w ne {} && $lno >= 1} {
 621                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 622        }
 623
 624        set s $file_states($path)
 625        set m [lindex $s 0]
 626        set is_3way_diff 0
 627        set diff_active 1
 628        set current_diff_path $path
 629        set current_diff_side $w
 630        set ui_status_value "Loading diff of [escape_path $path]..."
 631
 632        # - Git won't give us the diff, there's nothing to compare to!
 633        #
 634        if {$m eq {_O}} {
 635                if {[catch {
 636                                set fd [open $path r]
 637                                set content [read $fd]
 638                                close $fd
 639                        } err ]} {
 640                        set diff_active 0
 641                        unlock_index
 642                        set ui_status_value "Unable to display [escape_path $path]"
 643                        error_popup "Error loading file:\n\n$err"
 644                        return
 645                }
 646                $ui_diff conf -state normal
 647                $ui_diff insert end $content
 648                $ui_diff conf -state disabled
 649                set diff_active 0
 650                unlock_index
 651                set ui_status_value {Ready.}
 652                return
 653        }
 654
 655        set cmd [list | git]
 656        if {$w eq $ui_index} {
 657                lappend cmd diff-index
 658                lappend cmd --cached
 659        } elseif {$w eq $ui_workdir} {
 660                if {[string index $m 0] eq {U}} {
 661                        lappend cmd diff
 662                } else {
 663                        lappend cmd diff-files
 664                }
 665        }
 666
 667        lappend cmd -p
 668        lappend cmd --no-color
 669        if {$repo_config(gui.diffcontext) > 0} {
 670                lappend cmd "-U$repo_config(gui.diffcontext)"
 671        }
 672        if {$w eq $ui_index} {
 673                lappend cmd [PARENT]
 674        }
 675        lappend cmd --
 676        lappend cmd $path
 677
 678        if {[catch {set fd [open $cmd r]} err]} {
 679                set diff_active 0
 680                unlock_index
 681                set ui_status_value "Unable to display [escape_path $path]"
 682                error_popup "Error loading diff:\n\n$err"
 683                return
 684        }
 685
 686        fconfigure $fd -blocking 0 -translation auto
 687        fileevent $fd readable [list read_diff $fd]
 688}
 689
 690proc read_diff {fd} {
 691        global ui_diff ui_status_value is_3way_diff diff_active
 692        global repo_config
 693
 694        $ui_diff conf -state normal
 695        while {[gets $fd line] >= 0} {
 696                # -- Cleanup uninteresting diff header lines.
 697                #
 698                if {[string match {diff --git *}      $line]} continue
 699                if {[string match {diff --cc *}       $line]} continue
 700                if {[string match {diff --combined *} $line]} continue
 701                if {[string match {--- *}             $line]} continue
 702                if {[string match {+++ *}             $line]} continue
 703                if {$line eq {deleted file mode 120000}} {
 704                        set line "deleted symlink"
 705                }
 706
 707                # -- Automatically detect if this is a 3 way diff.
 708                #
 709                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 710
 711                if {[string match {index *} $line]
 712                        || [regexp {^\* Unmerged path } $line]} {
 713                        set tags {}
 714                } elseif {$is_3way_diff} {
 715                        set op [string range $line 0 1]
 716                        switch -- $op {
 717                        {  } {set tags {}}
 718                        {@@} {set tags d_@}
 719                        { +} {set tags d_s+}
 720                        { -} {set tags d_s-}
 721                        {+ } {set tags d_+s}
 722                        {- } {set tags d_-s}
 723                        {--} {set tags d_--}
 724                        {++} {
 725                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 726                                        set line [string replace $line 0 1 {  }]
 727                                        set tags d$op
 728                                } else {
 729                                        set tags d_++
 730                                }
 731                        }
 732                        default {
 733                                puts "error: Unhandled 3 way diff marker: {$op}"
 734                                set tags {}
 735                        }
 736                        }
 737                } else {
 738                        set op [string index $line 0]
 739                        switch -- $op {
 740                        { } {set tags {}}
 741                        {@} {set tags d_@}
 742                        {-} {set tags d_-}
 743                        {+} {
 744                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 745                                        set line [string replace $line 0 0 { }]
 746                                        set tags d$op
 747                                } else {
 748                                        set tags d_+
 749                                }
 750                        }
 751                        default {
 752                                puts "error: Unhandled 2 way diff marker: {$op}"
 753                                set tags {}
 754                        }
 755                        }
 756                }
 757                $ui_diff insert end $line $tags
 758                $ui_diff insert end "\n" $tags
 759        }
 760        $ui_diff conf -state disabled
 761
 762        if {[eof $fd]} {
 763                close $fd
 764                set diff_active 0
 765                unlock_index
 766                set ui_status_value {Ready.}
 767
 768                if {$repo_config(gui.trustmtime) eq {true}
 769                        && [$ui_diff index end] eq {2.0}} {
 770                        handle_empty_diff
 771                }
 772        }
 773}
 774
 775######################################################################
 776##
 777## commit
 778
 779proc load_last_commit {} {
 780        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 781
 782        if {[llength $PARENT] == 0} {
 783                error_popup {There is nothing to amend.
 784
 785You are about to create the initial commit.
 786There is no commit before this to amend.
 787}
 788                return
 789        }
 790
 791        repository_state curType curHEAD curMERGE_HEAD
 792        if {$curType eq {merge}} {
 793                error_popup {Cannot amend while merging.
 794
 795You are currently in the middle of a merge that
 796has not been fully completed.  You cannot amend
 797the prior commit unless you first abort the
 798current merge activity.
 799}
 800                return
 801        }
 802
 803        set msg {}
 804        set parents [list]
 805        if {[catch {
 806                        set fd [open "| git cat-file commit $curHEAD" r]
 807                        while {[gets $fd line] > 0} {
 808                                if {[string match {parent *} $line]} {
 809                                        lappend parents [string range $line 7 end]
 810                                }
 811                        }
 812                        set msg [string trim [read $fd]]
 813                        close $fd
 814                } err]} {
 815                error_popup "Error loading commit data for amend:\n\n$err"
 816                return
 817        }
 818
 819        set HEAD $curHEAD
 820        set PARENT $parents
 821        set MERGE_HEAD [list]
 822        switch -- [llength $parents] {
 823        0       {set commit_type amend-initial}
 824        1       {set commit_type amend}
 825        default {set commit_type amend-merge}
 826        }
 827
 828        $ui_comm delete 0.0 end
 829        $ui_comm insert end $msg
 830        $ui_comm edit reset
 831        $ui_comm edit modified false
 832        rescan {set ui_status_value {Ready.}}
 833}
 834
 835proc create_new_commit {} {
 836        global commit_type ui_comm
 837
 838        set commit_type normal
 839        $ui_comm delete 0.0 end
 840        $ui_comm edit reset
 841        $ui_comm edit modified false
 842        rescan {set ui_status_value {Ready.}}
 843}
 844
 845set GIT_COMMITTER_IDENT {}
 846
 847proc committer_ident {} {
 848        global GIT_COMMITTER_IDENT
 849
 850        if {$GIT_COMMITTER_IDENT eq {}} {
 851                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 852                        error_popup "Unable to obtain your identity:\n\n$err"
 853                        return {}
 854                }
 855                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 856                        $me me GIT_COMMITTER_IDENT]} {
 857                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 858                        return {}
 859                }
 860        }
 861
 862        return $GIT_COMMITTER_IDENT
 863}
 864
 865proc commit_tree {} {
 866        global HEAD commit_type file_states ui_comm repo_config
 867        global ui_status_value pch_error
 868
 869        if {![lock_index update]} return
 870        if {[committer_ident] eq {}} return
 871
 872        # -- Our in memory state should match the repository.
 873        #
 874        repository_state curType curHEAD curMERGE_HEAD
 875        if {[string match amend* $commit_type]
 876                && $curType eq {normal}
 877                && $curHEAD eq $HEAD} {
 878        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 879                info_popup {Last scanned state does not match repository state.
 880
 881Another Git program has modified this repository
 882since the last scan.  A rescan must be performed
 883before another commit can be created.
 884
 885The rescan will be automatically started now.
 886}
 887                unlock_index
 888                rescan {set ui_status_value {Ready.}}
 889                return
 890        }
 891
 892        # -- At least one file should differ in the index.
 893        #
 894        set files_ready 0
 895        foreach path [array names file_states] {
 896                switch -glob -- [lindex $file_states($path) 0] {
 897                _? {continue}
 898                A? -
 899                D? -
 900                M? {set files_ready 1}
 901                U? {
 902                        error_popup "Unmerged files cannot be committed.
 903
 904File [short_path $path] has merge conflicts.
 905You must resolve them and add the file before committing.
 906"
 907                        unlock_index
 908                        return
 909                }
 910                default {
 911                        error_popup "Unknown file state [lindex $s 0] detected.
 912
 913File [short_path $path] cannot be committed by this program.
 914"
 915                }
 916                }
 917        }
 918        if {!$files_ready} {
 919                info_popup {No changes to commit.
 920
 921You must add at least 1 file before you can commit.
 922}
 923                unlock_index
 924                return
 925        }
 926
 927        # -- A message is required.
 928        #
 929        set msg [string trim [$ui_comm get 1.0 end]]
 930        if {$msg eq {}} {
 931                error_popup {Please supply a commit message.
 932
 933A good commit message has the following format:
 934
 935- First line: Describe in one sentance what you did.
 936- Second line: Blank
 937- Remaining lines: Describe why this change is good.
 938}
 939                unlock_index
 940                return
 941        }
 942
 943        # -- Run the pre-commit hook.
 944        #
 945        set pchook [gitdir hooks pre-commit]
 946
 947        # On Cygwin [file executable] might lie so we need to ask
 948        # the shell if the hook is executable.  Yes that's annoying.
 949        #
 950        if {[is_Windows] && [file isfile $pchook]} {
 951                set pchook [list sh -c [concat \
 952                        "if test -x \"$pchook\";" \
 953                        "then exec \"$pchook\" 2>&1;" \
 954                        "fi"]]
 955        } elseif {[file executable $pchook]} {
 956                set pchook [list $pchook |& cat]
 957        } else {
 958                commit_writetree $curHEAD $msg
 959                return
 960        }
 961
 962        set ui_status_value {Calling pre-commit hook...}
 963        set pch_error {}
 964        set fd_ph [open "| $pchook" r]
 965        fconfigure $fd_ph -blocking 0 -translation binary
 966        fileevent $fd_ph readable \
 967                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 968}
 969
 970proc commit_prehook_wait {fd_ph curHEAD msg} {
 971        global pch_error ui_status_value
 972
 973        append pch_error [read $fd_ph]
 974        fconfigure $fd_ph -blocking 1
 975        if {[eof $fd_ph]} {
 976                if {[catch {close $fd_ph}]} {
 977                        set ui_status_value {Commit declined by pre-commit hook.}
 978                        hook_failed_popup pre-commit $pch_error
 979                        unlock_index
 980                } else {
 981                        commit_writetree $curHEAD $msg
 982                }
 983                set pch_error {}
 984                return
 985        }
 986        fconfigure $fd_ph -blocking 0
 987}
 988
 989proc commit_writetree {curHEAD msg} {
 990        global ui_status_value
 991
 992        set ui_status_value {Committing changes...}
 993        set fd_wt [open "| git write-tree" r]
 994        fileevent $fd_wt readable \
 995                [list commit_committree $fd_wt $curHEAD $msg]
 996}
 997
 998proc commit_committree {fd_wt curHEAD msg} {
 999        global HEAD PARENT MERGE_HEAD commit_type
1000        global single_commit
1001        global ui_status_value ui_comm selected_commit_type
1002        global file_states selected_paths rescan_active
1003
1004        gets $fd_wt tree_id
1005        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1006                error_popup "write-tree failed:\n\n$err"
1007                set ui_status_value {Commit failed.}
1008                unlock_index
1009                return
1010        }
1011
1012        # -- Create the commit.
1013        #
1014        set cmd [list git commit-tree $tree_id]
1015        set parents [concat $PARENT $MERGE_HEAD]
1016        if {[llength $parents] > 0} {
1017                foreach p $parents {
1018                        lappend cmd -p $p
1019                }
1020        } else {
1021                # git commit-tree writes to stderr during initial commit.
1022                lappend cmd 2>/dev/null
1023        }
1024        lappend cmd << $msg
1025        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1026                error_popup "commit-tree failed:\n\n$err"
1027                set ui_status_value {Commit failed.}
1028                unlock_index
1029                return
1030        }
1031
1032        # -- Update the HEAD ref.
1033        #
1034        set reflogm commit
1035        if {$commit_type ne {normal}} {
1036                append reflogm " ($commit_type)"
1037        }
1038        set i [string first "\n" $msg]
1039        if {$i >= 0} {
1040                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1041        } else {
1042                append reflogm {: } $msg
1043        }
1044        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1045        if {[catch {eval exec $cmd} err]} {
1046                error_popup "update-ref failed:\n\n$err"
1047                set ui_status_value {Commit failed.}
1048                unlock_index
1049                return
1050        }
1051
1052        # -- Cleanup after ourselves.
1053        #
1054        catch {file delete [gitdir MERGE_HEAD]}
1055        catch {file delete [gitdir MERGE_MSG]}
1056        catch {file delete [gitdir SQUASH_MSG]}
1057        catch {file delete [gitdir GITGUI_MSG]}
1058
1059        # -- Let rerere do its thing.
1060        #
1061        if {[file isdirectory [gitdir rr-cache]]} {
1062                catch {exec git rerere}
1063        }
1064
1065        # -- Run the post-commit hook.
1066        #
1067        set pchook [gitdir hooks post-commit]
1068        if {[is_Windows] && [file isfile $pchook]} {
1069                set pchook [list sh -c [concat \
1070                        "if test -x \"$pchook\";" \
1071                        "then exec \"$pchook\";" \
1072                        "fi"]]
1073        } elseif {![file executable $pchook]} {
1074                set pchook {}
1075        }
1076        if {$pchook ne {}} {
1077                catch {exec $pchook &}
1078        }
1079
1080        $ui_comm delete 0.0 end
1081        $ui_comm edit reset
1082        $ui_comm edit modified false
1083
1084        if {$single_commit} do_quit
1085
1086        # -- Update in memory status
1087        #
1088        set selected_commit_type new
1089        set commit_type normal
1090        set HEAD $cmt_id
1091        set PARENT $cmt_id
1092        set MERGE_HEAD [list]
1093
1094        foreach path [array names file_states] {
1095                set s $file_states($path)
1096                set m [lindex $s 0]
1097                switch -glob -- $m {
1098                _O -
1099                _M -
1100                _D {continue}
1101                __ -
1102                A_ -
1103                M_ -
1104                D_ {
1105                        unset file_states($path)
1106                        catch {unset selected_paths($path)}
1107                }
1108                DO {
1109                        set file_states($path) [list _O [lindex $s 1] {} {}]
1110                }
1111                AM -
1112                AD -
1113                MM -
1114                MD {
1115                        set file_states($path) [list \
1116                                _[string index $m 1] \
1117                                [lindex $s 1] \
1118                                [lindex $s 3] \
1119                                {}]
1120                }
1121                }
1122        }
1123
1124        display_all_files
1125        unlock_index
1126        reshow_diff
1127        set ui_status_value \
1128                "Changes committed as [string range $cmt_id 0 7]."
1129}
1130
1131######################################################################
1132##
1133## fetch pull push
1134
1135proc fetch_from {remote} {
1136        set w [new_console "fetch $remote" \
1137                "Fetching new changes from $remote"]
1138        set cmd [list git fetch]
1139        lappend cmd $remote
1140        console_exec $w $cmd
1141}
1142
1143proc pull_remote {remote branch} {
1144        global HEAD commit_type file_states repo_config
1145
1146        if {![lock_index update]} return
1147
1148        # -- Our in memory state should match the repository.
1149        #
1150        repository_state curType curHEAD curMERGE_HEAD
1151        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1152                info_popup {Last scanned state does not match repository state.
1153
1154Another Git program has modified this repository
1155since the last scan.  A rescan must be performed
1156before a pull operation can be started.
1157
1158The rescan will be automatically started now.
1159}
1160                unlock_index
1161                rescan {set ui_status_value {Ready.}}
1162                return
1163        }
1164
1165        # -- No differences should exist before a pull.
1166        #
1167        if {[array size file_states] != 0} {
1168                error_popup {Uncommitted but modified files are present.
1169
1170You should not perform a pull with unmodified
1171files in your working directory as Git will be
1172unable to recover from an incorrect merge.
1173
1174You should commit or revert all changes before
1175starting a pull operation.
1176}
1177                unlock_index
1178                return
1179        }
1180
1181        set w [new_console "pull $remote $branch" \
1182                "Pulling new changes from branch $branch in $remote"]
1183        set cmd [list git pull]
1184        if {$repo_config(gui.pullsummary) eq {false}} {
1185                lappend cmd --no-summary
1186        }
1187        lappend cmd $remote
1188        lappend cmd $branch
1189        console_exec $w $cmd [list post_pull_remote $remote $branch]
1190}
1191
1192proc post_pull_remote {remote branch success} {
1193        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1194        global ui_status_value
1195
1196        unlock_index
1197        if {$success} {
1198                repository_state commit_type HEAD MERGE_HEAD
1199                set PARENT $HEAD
1200                set selected_commit_type new
1201                set ui_status_value "Pulling $branch from $remote complete."
1202        } else {
1203                rescan [list set ui_status_value \
1204                        "Conflicts detected while pulling $branch from $remote."]
1205        }
1206}
1207
1208proc push_to {remote} {
1209        set w [new_console "push $remote" \
1210                "Pushing changes to $remote"]
1211        set cmd [list git push]
1212        lappend cmd $remote
1213        console_exec $w $cmd
1214}
1215
1216######################################################################
1217##
1218## ui helpers
1219
1220proc mapicon {w state path} {
1221        global all_icons
1222
1223        if {[catch {set r $all_icons($state$w)}]} {
1224                puts "error: no icon for $w state={$state} $path"
1225                return file_plain
1226        }
1227        return $r
1228}
1229
1230proc mapdesc {state path} {
1231        global all_descs
1232
1233        if {[catch {set r $all_descs($state)}]} {
1234                puts "error: no desc for state={$state} $path"
1235                return $state
1236        }
1237        return $r
1238}
1239
1240proc escape_path {path} {
1241        regsub -all "\n" $path "\\n" path
1242        return $path
1243}
1244
1245proc short_path {path} {
1246        return [escape_path [lindex [file split $path] end]]
1247}
1248
1249set next_icon_id 0
1250set null_sha1 [string repeat 0 40]
1251
1252proc merge_state {path new_state {head_info {}} {index_info {}}} {
1253        global file_states next_icon_id null_sha1
1254
1255        set s0 [string index $new_state 0]
1256        set s1 [string index $new_state 1]
1257
1258        if {[catch {set info $file_states($path)}]} {
1259                set state __
1260                set icon n[incr next_icon_id]
1261        } else {
1262                set state [lindex $info 0]
1263                set icon [lindex $info 1]
1264                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1265                if {$index_info eq {}} {set index_info [lindex $info 3]}
1266        }
1267
1268        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1269        elseif {$s0 eq {_}} {set s0 _}
1270
1271        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1272        elseif {$s1 eq {_}} {set s1 _}
1273
1274        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1275                set head_info [list 0 $null_sha1]
1276        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1277                && $head_info eq {}} {
1278                set head_info $index_info
1279        }
1280
1281        set file_states($path) [list $s0$s1 $icon \
1282                $head_info $index_info \
1283                ]
1284        return $state
1285}
1286
1287proc display_file_helper {w path icon_name old_m new_m} {
1288        global file_lists
1289
1290        if {$new_m eq {_}} {
1291                set lno [lsearch -sorted $file_lists($w) $path]
1292                if {$lno >= 0} {
1293                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1294                        incr lno
1295                        $w conf -state normal
1296                        $w delete $lno.0 [expr {$lno + 1}].0
1297                        $w conf -state disabled
1298                }
1299        } elseif {$old_m eq {_} && $new_m ne {_}} {
1300                lappend file_lists($w) $path
1301                set file_lists($w) [lsort -unique $file_lists($w)]
1302                set lno [lsearch -sorted $file_lists($w) $path]
1303                incr lno
1304                $w conf -state normal
1305                $w image create $lno.0 \
1306                        -align center -padx 5 -pady 1 \
1307                        -name $icon_name \
1308                        -image [mapicon $w $new_m $path]
1309                $w insert $lno.1 "[escape_path $path]\n"
1310                $w conf -state disabled
1311        } elseif {$old_m ne $new_m} {
1312                $w conf -state normal
1313                $w image conf $icon_name -image [mapicon $w $new_m $path]
1314                $w conf -state disabled
1315        }
1316}
1317
1318proc display_file {path state} {
1319        global file_states selected_paths
1320        global ui_index ui_workdir
1321
1322        set old_m [merge_state $path $state]
1323        set s $file_states($path)
1324        set new_m [lindex $s 0]
1325        set icon_name [lindex $s 1]
1326
1327        set o [string index $old_m 0]
1328        set n [string index $new_m 0]
1329        if {$o eq {U}} {
1330                set o _
1331        }
1332        if {$n eq {U}} {
1333                set n _
1334        }
1335        display_file_helper     $ui_index $path $icon_name $o $n
1336
1337        if {[string index $old_m 0] eq {U}} {
1338                set o U
1339        } else {
1340                set o [string index $old_m 1]
1341        }
1342        if {[string index $new_m 0] eq {U}} {
1343                set n U
1344        } else {
1345                set n [string index $new_m 1]
1346        }
1347        display_file_helper     $ui_workdir $path $icon_name $o $n
1348
1349        if {$new_m eq {__}} {
1350                unset file_states($path)
1351                catch {unset selected_paths($path)}
1352        }
1353}
1354
1355proc display_all_files_helper {w path icon_name m} {
1356        global file_lists
1357
1358        lappend file_lists($w) $path
1359        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1360        $w image create end \
1361                -align center -padx 5 -pady 1 \
1362                -name $icon_name \
1363                -image [mapicon $w $m $path]
1364        $w insert end "[escape_path $path]\n"
1365}
1366
1367proc display_all_files {} {
1368        global ui_index ui_workdir
1369        global file_states file_lists
1370        global last_clicked
1371
1372        $ui_index conf -state normal
1373        $ui_workdir conf -state normal
1374
1375        $ui_index delete 0.0 end
1376        $ui_workdir delete 0.0 end
1377        set last_clicked {}
1378
1379        set file_lists($ui_index) [list]
1380        set file_lists($ui_workdir) [list]
1381
1382        foreach path [lsort [array names file_states]] {
1383                set s $file_states($path)
1384                set m [lindex $s 0]
1385                set icon_name [lindex $s 1]
1386
1387                set s [string index $m 0]
1388                if {$s ne {U} && $s ne {_}} {
1389                        display_all_files_helper $ui_index $path \
1390                                $icon_name $s
1391                }
1392
1393                if {[string index $m 0] eq {U}} {
1394                        set s U
1395                } else {
1396                        set s [string index $m 1]
1397                }
1398                if {$s ne {_}} {
1399                        display_all_files_helper $ui_workdir $path \
1400                                $icon_name $s
1401                }
1402        }
1403
1404        $ui_index conf -state disabled
1405        $ui_workdir conf -state disabled
1406}
1407
1408proc update_indexinfo {msg pathList after} {
1409        global update_index_cp ui_status_value
1410
1411        if {![lock_index update]} return
1412
1413        set update_index_cp 0
1414        set pathList [lsort $pathList]
1415        set totalCnt [llength $pathList]
1416        set batch [expr {int($totalCnt * .01) + 1}]
1417        if {$batch > 25} {set batch 25}
1418
1419        set ui_status_value [format \
1420                "$msg... %i/%i files (%.2f%%)" \
1421                $update_index_cp \
1422                $totalCnt \
1423                0.0]
1424        set fd [open "| git update-index -z --index-info" w]
1425        fconfigure $fd \
1426                -blocking 0 \
1427                -buffering full \
1428                -buffersize 512 \
1429                -translation binary
1430        fileevent $fd writable [list \
1431                write_update_indexinfo \
1432                $fd \
1433                $pathList \
1434                $totalCnt \
1435                $batch \
1436                $msg \
1437                $after \
1438                ]
1439}
1440
1441proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1442        global update_index_cp ui_status_value
1443        global file_states current_diff_path
1444
1445        if {$update_index_cp >= $totalCnt} {
1446                close $fd
1447                unlock_index
1448                uplevel #0 $after
1449                return
1450        }
1451
1452        for {set i $batch} \
1453                {$update_index_cp < $totalCnt && $i > 0} \
1454                {incr i -1} {
1455                set path [lindex $pathList $update_index_cp]
1456                incr update_index_cp
1457
1458                set s $file_states($path)
1459                switch -glob -- [lindex $s 0] {
1460                A? {set new _O}
1461                M? {set new _M}
1462                D_ {set new _D}
1463                D? {set new _?}
1464                ?? {continue}
1465                }
1466                set info [lindex $s 2]
1467                if {$info eq {}} continue
1468
1469                puts -nonewline $fd "$info\t$path\0"
1470                display_file $path $new
1471        }
1472
1473        set ui_status_value [format \
1474                "$msg... %i/%i files (%.2f%%)" \
1475                $update_index_cp \
1476                $totalCnt \
1477                [expr {100.0 * $update_index_cp / $totalCnt}]]
1478}
1479
1480proc update_index {msg pathList after} {
1481        global update_index_cp ui_status_value
1482
1483        if {![lock_index update]} return
1484
1485        set update_index_cp 0
1486        set pathList [lsort $pathList]
1487        set totalCnt [llength $pathList]
1488        set batch [expr {int($totalCnt * .01) + 1}]
1489        if {$batch > 25} {set batch 25}
1490
1491        set ui_status_value [format \
1492                "$msg... %i/%i files (%.2f%%)" \
1493                $update_index_cp \
1494                $totalCnt \
1495                0.0]
1496        set fd [open "| git update-index --add --remove -z --stdin" w]
1497        fconfigure $fd \
1498                -blocking 0 \
1499                -buffering full \
1500                -buffersize 512 \
1501                -translation binary
1502        fileevent $fd writable [list \
1503                write_update_index \
1504                $fd \
1505                $pathList \
1506                $totalCnt \
1507                $batch \
1508                $msg \
1509                $after \
1510                ]
1511}
1512
1513proc write_update_index {fd pathList totalCnt batch msg after} {
1514        global update_index_cp ui_status_value
1515        global file_states current_diff_path
1516
1517        if {$update_index_cp >= $totalCnt} {
1518                close $fd
1519                unlock_index
1520                uplevel #0 $after
1521                return
1522        }
1523
1524        for {set i $batch} \
1525                {$update_index_cp < $totalCnt && $i > 0} \
1526                {incr i -1} {
1527                set path [lindex $pathList $update_index_cp]
1528                incr update_index_cp
1529
1530                switch -glob -- [lindex $file_states($path) 0] {
1531                AD {set new __}
1532                ?D {set new D_}
1533                _O -
1534                AM {set new A_}
1535                U? {
1536                        if {[file exists $path]} {
1537                                set new M_
1538                        } else {
1539                                set new D_
1540                        }
1541                }
1542                ?M {set new M_}
1543                ?? {continue}
1544                }
1545                puts -nonewline $fd "$path\0"
1546                display_file $path $new
1547        }
1548
1549        set ui_status_value [format \
1550                "$msg... %i/%i files (%.2f%%)" \
1551                $update_index_cp \
1552                $totalCnt \
1553                [expr {100.0 * $update_index_cp / $totalCnt}]]
1554}
1555
1556proc checkout_index {msg pathList after} {
1557        global update_index_cp ui_status_value
1558
1559        if {![lock_index update]} return
1560
1561        set update_index_cp 0
1562        set pathList [lsort $pathList]
1563        set totalCnt [llength $pathList]
1564        set batch [expr {int($totalCnt * .01) + 1}]
1565        if {$batch > 25} {set batch 25}
1566
1567        set ui_status_value [format \
1568                "$msg... %i/%i files (%.2f%%)" \
1569                $update_index_cp \
1570                $totalCnt \
1571                0.0]
1572        set cmd [list git checkout-index]
1573        lappend cmd --index
1574        lappend cmd --quiet
1575        lappend cmd --force
1576        lappend cmd -z
1577        lappend cmd --stdin
1578        set fd [open "| $cmd " w]
1579        fconfigure $fd \
1580                -blocking 0 \
1581                -buffering full \
1582                -buffersize 512 \
1583                -translation binary
1584        fileevent $fd writable [list \
1585                write_checkout_index \
1586                $fd \
1587                $pathList \
1588                $totalCnt \
1589                $batch \
1590                $msg \
1591                $after \
1592                ]
1593}
1594
1595proc write_checkout_index {fd pathList totalCnt batch msg after} {
1596        global update_index_cp ui_status_value
1597        global file_states current_diff_path
1598
1599        if {$update_index_cp >= $totalCnt} {
1600                close $fd
1601                unlock_index
1602                uplevel #0 $after
1603                return
1604        }
1605
1606        for {set i $batch} \
1607                {$update_index_cp < $totalCnt && $i > 0} \
1608                {incr i -1} {
1609                set path [lindex $pathList $update_index_cp]
1610                incr update_index_cp
1611                switch -glob -- [lindex $file_states($path) 0] {
1612                U? {continue}
1613                ?M -
1614                ?D {
1615                        puts -nonewline $fd "$path\0"
1616                        display_file $path ?_
1617                }
1618                }
1619        }
1620
1621        set ui_status_value [format \
1622                "$msg... %i/%i files (%.2f%%)" \
1623                $update_index_cp \
1624                $totalCnt \
1625                [expr {100.0 * $update_index_cp / $totalCnt}]]
1626}
1627
1628######################################################################
1629##
1630## branch management
1631
1632proc load_all_heads {} {
1633        global all_heads tracking_branches
1634
1635        set all_heads [list]
1636        set cmd [list git for-each-ref]
1637        lappend cmd --format=%(refname)
1638        lappend cmd refs/heads
1639        set fd [open "| $cmd" r]
1640        while {[gets $fd line] > 0} {
1641                if {![catch {set info $tracking_branches($line)}]} continue
1642                if {![regsub ^refs/heads/ $line {} name]} continue
1643                lappend all_heads $name
1644        }
1645        close $fd
1646
1647        set all_heads [lsort $all_heads]
1648}
1649
1650proc populate_branch_menu {} {
1651        global all_heads disable_on_lock
1652
1653        set m .mbar.branch
1654        set last [$m index last]
1655        for {set i 0} {$i <= $last} {incr i} {
1656                if {[$m type $i] eq {separator}} {
1657                        $m delete $i last
1658                        set new_dol [list]
1659                        foreach a $disable_on_lock {
1660                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1661                                        lappend new_dol $a
1662                                }
1663                        }
1664                        set disable_on_lock $new_dol
1665                        break
1666                }
1667        }
1668
1669        $m add separator
1670        foreach b $all_heads {
1671                $m add radiobutton \
1672                        -label $b \
1673                        -command [list switch_branch $b] \
1674                        -variable current_branch \
1675                        -value $b \
1676                        -font font_ui
1677                lappend disable_on_lock \
1678                        [list $m entryconf [$m index last] -state]
1679        }
1680}
1681
1682proc all_tracking_branches {} {
1683        global tracking_branches
1684
1685        set all_trackings [list]
1686        foreach b [array names tracking_branches] {
1687                regsub ^refs/(heads|remotes)/ $b {} b
1688                lappend all_trackings $b
1689        }
1690        return [lsort -unique $all_trackings]
1691}
1692
1693proc do_create_branch_action {w} {
1694        global all_heads null_sha1
1695        global create_branch_checkout create_branch_revtype
1696        global create_branch_head create_branch_trackinghead
1697
1698        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1699        if {$newbranch eq {}} {
1700                tk_messageBox \
1701                        -icon error \
1702                        -type ok \
1703                        -title [wm title $w] \
1704                        -parent $w \
1705                        -message "Please supply a branch name."
1706                focus $w.desc.name_t
1707                return
1708        }
1709        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1710                tk_messageBox \
1711                        -icon error \
1712                        -type ok \
1713                        -title [wm title $w] \
1714                        -parent $w \
1715                        -message "Branch '$newbranch' already exists."
1716                focus $w.desc.name_t
1717                return
1718        }
1719        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1720                tk_messageBox \
1721                        -icon error \
1722                        -type ok \
1723                        -title [wm title $w] \
1724                        -parent $w \
1725                        -message "We do not like '$newbranch' as a branch name."
1726                focus $w.desc.name_t
1727                return
1728        }
1729
1730        set rev {}
1731        switch -- $create_branch_revtype {
1732        head {set rev $create_branch_head}
1733        tracking {set rev $create_branch_trackinghead}
1734        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1735        }
1736        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1737                tk_messageBox \
1738                        -icon error \
1739                        -type ok \
1740                        -title [wm title $w] \
1741                        -parent $w \
1742                        -message "Invalid starting revision: $rev"
1743                return
1744        }
1745        set cmd [list git update-ref]
1746        lappend cmd -m
1747        lappend cmd "branch: Created from $rev"
1748        lappend cmd "refs/heads/$newbranch"
1749        lappend cmd $cmt
1750        lappend cmd $null_sha1
1751        if {[catch {eval exec $cmd} err]} {
1752                tk_messageBox \
1753                        -icon error \
1754                        -type ok \
1755                        -title [wm title $w] \
1756                        -parent $w \
1757                        -message "Failed to create '$newbranch'.\n\n$err"
1758                return
1759        }
1760
1761        lappend all_heads $newbranch
1762        set all_heads [lsort $all_heads]
1763        populate_branch_menu
1764        destroy $w
1765        if {$create_branch_checkout} {
1766                switch_branch $newbranch
1767        }
1768}
1769
1770proc do_create_branch {} {
1771        global all_heads current_branch
1772        global create_branch_checkout create_branch_revtype
1773        global create_branch_head create_branch_trackinghead
1774
1775        set create_branch_checkout 1
1776        set create_branch_revtype head
1777        set create_branch_head $current_branch
1778        set create_branch_trackinghead {}
1779
1780        set w .branch_editor
1781        toplevel $w
1782        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1783
1784        label $w.header -text {Create New Branch} \
1785                -font font_uibold
1786        pack $w.header -side top -fill x
1787
1788        frame $w.buttons
1789        button $w.buttons.create -text Create \
1790                -font font_ui \
1791                -default active \
1792                -command [list do_create_branch_action $w]
1793        pack $w.buttons.create -side right
1794        button $w.buttons.cancel -text {Cancel} \
1795                -font font_ui \
1796                -command [list destroy $w]
1797        pack $w.buttons.cancel -side right -padx 5
1798        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1799
1800        labelframe $w.desc \
1801                -text {Branch Description} \
1802                -font font_ui
1803        label $w.desc.name_l -text {Name:} -font font_ui
1804        text $w.desc.name_t \
1805                -borderwidth 1 \
1806                -relief sunken \
1807                -height 1 \
1808                -width 40 \
1809                -font font_ui
1810        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1811        bind $w.desc.name_t <Shift-Key-Tab> "focus $w.postActions.checkout;break"
1812        bind $w.desc.name_t <Key-Tab> "focus $w.from.exp_t;break"
1813        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1814        bind $w.desc.name_t <Key> {
1815                if {{%K} ne {BackSpace}
1816                        && {%K} ne {Tab}
1817                        && {%K} ne {Escape}
1818                        && {%K} ne {Return}} {
1819                        if {%k <= 32} break
1820                        if {[string first %A {~^:?*[}] >= 0} break
1821                }
1822        }
1823        grid columnconfigure $w.desc 1 -weight 1
1824        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1825
1826        labelframe $w.from \
1827                -text {Starting Revision} \
1828                -font font_ui
1829        radiobutton $w.from.head_r \
1830                -text {Local Branch:} \
1831                -value head \
1832                -variable create_branch_revtype \
1833                -font font_ui
1834        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1835        grid $w.from.head_r $w.from.head_m -sticky w
1836        set all_trackings [all_tracking_branches]
1837        if {$all_trackings ne {}} {
1838                set create_branch_trackinghead [lindex $all_trackings 0]
1839                radiobutton $w.from.tracking_r \
1840                        -text {Tracking Branch:} \
1841                        -value tracking \
1842                        -variable create_branch_revtype \
1843                        -font font_ui
1844                eval tk_optionMenu $w.from.tracking_m \
1845                        create_branch_trackinghead \
1846                        $all_trackings
1847                grid $w.from.tracking_r $w.from.tracking_m -sticky w
1848        }
1849        radiobutton $w.from.exp_r \
1850                -text {Revision Expression:} \
1851                -value expression \
1852                -variable create_branch_revtype \
1853                -font font_ui
1854        text $w.from.exp_t \
1855                -borderwidth 1 \
1856                -relief sunken \
1857                -height 1 \
1858                -width 50 \
1859                -font font_ui
1860        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1861        bind $w.from.exp_t <Shift-Key-Tab> "focus $w.desc.name_t;break"
1862        bind $w.from.exp_t <Key-Tab> "focus $w.postActions.checkout;break"
1863        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1864        grid columnconfigure $w.from 1 -weight 1
1865        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1866
1867        labelframe $w.postActions \
1868                -text {Post Creation Actions} \
1869                -font font_ui
1870        checkbutton $w.postActions.checkout \
1871                -text {Checkout after creation} \
1872                -variable create_branch_checkout \
1873                -font font_ui
1874        pack $w.postActions.checkout -anchor nw
1875        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1876
1877        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1878        bind $w <Key-Escape> "destroy $w"
1879        bind $w <Key-Return> "do_create_branch_action $w;break"
1880        wm title $w "[appname] ([reponame]): Create Branch"
1881        tkwait window $w
1882}
1883
1884proc do_delete_branch_action {w} {
1885        global all_heads
1886        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1887
1888        set check_rev {}
1889        switch -- $delete_branch_checktype {
1890        head {set check_rev $delete_branch_head}
1891        tracking {set check_rev $delete_branch_trackinghead}
1892        always {set check_rev {:none}}
1893        }
1894        if {$check_rev eq {:none}} {
1895                set check_cmt {}
1896        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
1897                tk_messageBox \
1898                        -icon error \
1899                        -type ok \
1900                        -title [wm title $w] \
1901                        -parent $w \
1902                        -message "Invalid check revision: $check_rev"
1903                return
1904        }
1905
1906        set to_delete [list]
1907        set not_merged [list]
1908        foreach i [$w.list.l curselection] {
1909                set b [$w.list.l get $i]
1910                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1911                if {$check_cmt ne {}} {
1912                        if {$b eq $check_rev} continue
1913                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
1914                        if {$o ne $m} {
1915                                lappend not_merged $b
1916                                continue
1917                        }
1918                }
1919                lappend to_delete [list $b $o]
1920        }
1921        if {$not_merged ne {}} {
1922                set msg "The following branches are not completely merged into $check_rev:
1923
1924 - [join $not_merged "\n - "]"
1925                tk_messageBox \
1926                        -icon info \
1927                        -type ok \
1928                        -title [wm title $w] \
1929                        -parent $w \
1930                        -message $msg
1931        }
1932        if {$to_delete eq {}} return
1933        if {$delete_branch_checktype eq {always}} {
1934                set msg {Recovering deleted branches is difficult.
1935
1936Delete the selected branches?}
1937                if {[tk_messageBox \
1938                        -icon warning \
1939                        -type yesno \
1940                        -title [wm title $w] \
1941                        -parent $w \
1942                        -message $msg] ne yes} {
1943                        return
1944                }
1945        }
1946
1947        set failed {}
1948        foreach i $to_delete {
1949                set b [lindex $i 0]
1950                set o [lindex $i 1]
1951                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
1952                        append failed " - $b: $err\n"
1953                } else {
1954                        set x [lsearch -sorted $all_heads $b]
1955                        if {$x >= 0} {
1956                                set all_heads [lreplace $all_heads $x $x]
1957                        }
1958                }
1959        }
1960
1961        if {$failed ne {}} {
1962                tk_messageBox \
1963                        -icon error \
1964                        -type ok \
1965                        -title [wm title $w] \
1966                        -parent $w \
1967                        -message "Failed to delete branches:\n$failed"
1968        }
1969
1970        set all_heads [lsort $all_heads]
1971        populate_branch_menu
1972        destroy $w
1973}
1974
1975proc do_delete_branch {} {
1976        global all_heads tracking_branches current_branch
1977        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1978
1979        set delete_branch_checktype head
1980        set delete_branch_head $current_branch
1981        set delete_branch_trackinghead {}
1982
1983        set w .branch_editor
1984        toplevel $w
1985        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1986
1987        label $w.header -text {Delete Local Branch} \
1988                -font font_uibold
1989        pack $w.header -side top -fill x
1990
1991        frame $w.buttons
1992        button $w.buttons.create -text Delete \
1993                -font font_ui \
1994                -command [list do_delete_branch_action $w]
1995        pack $w.buttons.create -side right
1996        button $w.buttons.cancel -text {Cancel} \
1997                -font font_ui \
1998                -command [list destroy $w]
1999        pack $w.buttons.cancel -side right -padx 5
2000        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2001
2002        labelframe $w.list \
2003                -text {Local Branches} \
2004                -font font_ui
2005        listbox $w.list.l \
2006                -height 10 \
2007                -width 50 \
2008                -selectmode extended \
2009                -font font_ui
2010        foreach h $all_heads {
2011                if {$h ne $current_branch} {
2012                        $w.list.l insert end $h
2013                }
2014        }
2015        pack $w.list.l -fill both -pady 5 -padx 5
2016        pack $w.list -fill both -pady 5 -padx 5
2017
2018        labelframe $w.validate \
2019                -text {Delete Only If} \
2020                -font font_ui
2021        radiobutton $w.validate.head_r \
2022                -text {Merged Into Local Branch:} \
2023                -value head \
2024                -variable delete_branch_checktype \
2025                -font font_ui
2026        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2027        grid $w.validate.head_r $w.validate.head_m -sticky w
2028        set all_trackings [all_tracking_branches]
2029        if {$all_trackings ne {}} {
2030                set delete_branch_trackinghead [lindex $all_trackings 0]
2031                radiobutton $w.validate.tracking_r \
2032                        -text {Merged Into Tracking Branch:} \
2033                        -value tracking \
2034                        -variable delete_branch_checktype \
2035                        -font font_ui
2036                eval tk_optionMenu $w.validate.tracking_m \
2037                        delete_branch_trackinghead \
2038                        $all_trackings
2039                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2040        }
2041        radiobutton $w.validate.always_r \
2042                -text {Always (Do not perform merge checks)} \
2043                -value always \
2044                -variable delete_branch_checktype \
2045                -font font_ui
2046        grid $w.validate.always_r -columnspan 2 -sticky w
2047        grid columnconfigure $w.validate 1 -weight 1
2048        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2049
2050        bind $w <Visibility> "grab $w; focus $w"
2051        bind $w <Key-Escape> "destroy $w"
2052        wm title $w "[appname] ([reponame]): Delete Branch"
2053        tkwait window $w
2054}
2055
2056proc switch_branch {b} {
2057        global HEAD commit_type file_states current_branch
2058        global selected_commit_type ui_comm
2059
2060        if {![lock_index switch]} return
2061
2062        # -- Backup the selected branch (repository_state resets it)
2063        #
2064        set new_branch $current_branch
2065
2066        # -- Our in memory state should match the repository.
2067        #
2068        repository_state curType curHEAD curMERGE_HEAD
2069        if {[string match amend* $commit_type]
2070                && $curType eq {normal}
2071                && $curHEAD eq $HEAD} {
2072        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2073                info_popup {Last scanned state does not match repository state.
2074
2075Another Git program has modified this repository
2076since the last scan.  A rescan must be performed
2077before the current branch can be changed.
2078
2079The rescan will be automatically started now.
2080}
2081                unlock_index
2082                rescan {set ui_status_value {Ready.}}
2083                return
2084        }
2085
2086        # -- Toss the message buffer if we are in amend mode.
2087        #
2088        if {[string match amend* $curType]} {
2089                $ui_comm delete 0.0 end
2090                $ui_comm edit reset
2091                $ui_comm edit modified false
2092        }
2093
2094        set selected_commit_type new
2095        set current_branch $new_branch
2096
2097        unlock_index
2098        error "NOT FINISHED"
2099}
2100
2101######################################################################
2102##
2103## remote management
2104
2105proc load_all_remotes {} {
2106        global repo_config
2107        global all_remotes tracking_branches
2108
2109        set all_remotes [list]
2110        array unset tracking_branches
2111
2112        set rm_dir [gitdir remotes]
2113        if {[file isdirectory $rm_dir]} {
2114                set all_remotes [glob \
2115                        -types f \
2116                        -tails \
2117                        -nocomplain \
2118                        -directory $rm_dir *]
2119
2120                foreach name $all_remotes {
2121                        catch {
2122                                set fd [open [file join $rm_dir $name] r]
2123                                while {[gets $fd line] >= 0} {
2124                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2125                                                $line line src dst]} continue
2126                                        if {![regexp ^refs/ $dst]} {
2127                                                set dst "refs/heads/$dst"
2128                                        }
2129                                        set tracking_branches($dst) [list $name $src]
2130                                }
2131                                close $fd
2132                        }
2133                }
2134        }
2135
2136        foreach line [array names repo_config remote.*.url] {
2137                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2138                lappend all_remotes $name
2139
2140                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2141                        set fl {}
2142                }
2143                foreach line $fl {
2144                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2145                        if {![regexp ^refs/ $dst]} {
2146                                set dst "refs/heads/$dst"
2147                        }
2148                        set tracking_branches($dst) [list $name $src]
2149                }
2150        }
2151
2152        set all_remotes [lsort -unique $all_remotes]
2153}
2154
2155proc populate_fetch_menu {m} {
2156        global all_remotes repo_config
2157
2158        foreach r $all_remotes {
2159                set enable 0
2160                if {![catch {set a $repo_config(remote.$r.url)}]} {
2161                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2162                                set enable 1
2163                        }
2164                } else {
2165                        catch {
2166                                set fd [open [gitdir remotes $r] r]
2167                                while {[gets $fd n] >= 0} {
2168                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2169                                                set enable 1
2170                                                break
2171                                        }
2172                                }
2173                                close $fd
2174                        }
2175                }
2176
2177                if {$enable} {
2178                        $m add command \
2179                                -label "Fetch from $r..." \
2180                                -command [list fetch_from $r] \
2181                                -font font_ui
2182                }
2183        }
2184}
2185
2186proc populate_push_menu {m} {
2187        global all_remotes repo_config
2188
2189        foreach r $all_remotes {
2190                set enable 0
2191                if {![catch {set a $repo_config(remote.$r.url)}]} {
2192                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2193                                set enable 1
2194                        }
2195                } else {
2196                        catch {
2197                                set fd [open [gitdir remotes $r] r]
2198                                while {[gets $fd n] >= 0} {
2199                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2200                                                set enable 1
2201                                                break
2202                                        }
2203                                }
2204                                close $fd
2205                        }
2206                }
2207
2208                if {$enable} {
2209                        $m add command \
2210                                -label "Push to $r..." \
2211                                -command [list push_to $r] \
2212                                -font font_ui
2213                }
2214        }
2215}
2216
2217proc populate_pull_menu {m} {
2218        global repo_config all_remotes disable_on_lock
2219
2220        foreach remote $all_remotes {
2221                set rb_list [list]
2222                if {[array get repo_config remote.$remote.url] ne {}} {
2223                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2224                                foreach line $repo_config(remote.$remote.fetch) {
2225                                        if {[regexp {^([^:]+):} $line line rb]} {
2226                                                lappend rb_list $rb
2227                                        }
2228                                }
2229                        }
2230                } else {
2231                        catch {
2232                                set fd [open [gitdir remotes $remote] r]
2233                                while {[gets $fd line] >= 0} {
2234                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2235                                                lappend rb_list $rb
2236                                        }
2237                                }
2238                                close $fd
2239                        }
2240                }
2241
2242                foreach rb $rb_list {
2243                        regsub ^refs/heads/ $rb {} rb_short
2244                        $m add command \
2245                                -label "Branch $rb_short from $remote..." \
2246                                -command [list pull_remote $remote $rb] \
2247                                -font font_ui
2248                        lappend disable_on_lock \
2249                                [list $m entryconf [$m index last] -state]
2250                }
2251        }
2252}
2253
2254######################################################################
2255##
2256## icons
2257
2258set filemask {
2259#define mask_width 14
2260#define mask_height 15
2261static unsigned char mask_bits[] = {
2262   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2263   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2264   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2265}
2266
2267image create bitmap file_plain -background white -foreground black -data {
2268#define plain_width 14
2269#define plain_height 15
2270static unsigned char plain_bits[] = {
2271   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2272   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2273   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2274} -maskdata $filemask
2275
2276image create bitmap file_mod -background white -foreground blue -data {
2277#define mod_width 14
2278#define mod_height 15
2279static unsigned char mod_bits[] = {
2280   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2281   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2282   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2283} -maskdata $filemask
2284
2285image create bitmap file_fulltick -background white -foreground "#007000" -data {
2286#define file_fulltick_width 14
2287#define file_fulltick_height 15
2288static unsigned char file_fulltick_bits[] = {
2289   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2290   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2291   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2292} -maskdata $filemask
2293
2294image create bitmap file_parttick -background white -foreground "#005050" -data {
2295#define parttick_width 14
2296#define parttick_height 15
2297static unsigned char parttick_bits[] = {
2298   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2299   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2300   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2301} -maskdata $filemask
2302
2303image create bitmap file_question -background white -foreground black -data {
2304#define file_question_width 14
2305#define file_question_height 15
2306static unsigned char file_question_bits[] = {
2307   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2308   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2309   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2310} -maskdata $filemask
2311
2312image create bitmap file_removed -background white -foreground red -data {
2313#define file_removed_width 14
2314#define file_removed_height 15
2315static unsigned char file_removed_bits[] = {
2316   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2317   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2318   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2319} -maskdata $filemask
2320
2321image create bitmap file_merge -background white -foreground blue -data {
2322#define file_merge_width 14
2323#define file_merge_height 15
2324static unsigned char file_merge_bits[] = {
2325   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2326   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2327   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2328} -maskdata $filemask
2329
2330set ui_index .vpane.files.index.list
2331set ui_workdir .vpane.files.workdir.list
2332
2333set all_icons(_$ui_index)   file_plain
2334set all_icons(A$ui_index)   file_fulltick
2335set all_icons(M$ui_index)   file_fulltick
2336set all_icons(D$ui_index)   file_removed
2337set all_icons(U$ui_index)   file_merge
2338
2339set all_icons(_$ui_workdir) file_plain
2340set all_icons(M$ui_workdir) file_mod
2341set all_icons(D$ui_workdir) file_question
2342set all_icons(U$ui_workdir) file_merge
2343set all_icons(O$ui_workdir) file_plain
2344
2345set max_status_desc 0
2346foreach i {
2347                {__ "Unmodified"}
2348
2349                {_M "Modified, not staged"}
2350                {M_ "Staged for commit"}
2351                {MM "Portions staged for commit"}
2352                {MD "Staged for commit, missing"}
2353
2354                {_O "Untracked, not staged"}
2355                {A_ "Staged for commit"}
2356                {AM "Portions staged for commit"}
2357                {AD "Staged for commit, missing"}
2358
2359                {_D "Missing"}
2360                {D_ "Staged for removal"}
2361                {DO "Staged for removal, still present"}
2362
2363                {U_ "Requires merge resolution"}
2364                {UU "Requires merge resolution"}
2365                {UM "Requires merge resolution"}
2366                {UD "Requires merge resolution"}
2367        } {
2368        if {$max_status_desc < [string length [lindex $i 1]]} {
2369                set max_status_desc [string length [lindex $i 1]]
2370        }
2371        set all_descs([lindex $i 0]) [lindex $i 1]
2372}
2373unset i
2374
2375######################################################################
2376##
2377## util
2378
2379proc is_MacOSX {} {
2380        global tcl_platform tk_library
2381        if {[tk windowingsystem] eq {aqua}} {
2382                return 1
2383        }
2384        return 0
2385}
2386
2387proc is_Windows {} {
2388        global tcl_platform
2389        if {$tcl_platform(platform) eq {windows}} {
2390                return 1
2391        }
2392        return 0
2393}
2394
2395proc bind_button3 {w cmd} {
2396        bind $w <Any-Button-3> $cmd
2397        if {[is_MacOSX]} {
2398                bind $w <Control-Button-1> $cmd
2399        }
2400}
2401
2402proc incr_font_size {font {amt 1}} {
2403        set sz [font configure $font -size]
2404        incr sz $amt
2405        font configure $font -size $sz
2406        font configure ${font}bold -size $sz
2407}
2408
2409proc hook_failed_popup {hook msg} {
2410        set w .hookfail
2411        toplevel $w
2412
2413        frame $w.m
2414        label $w.m.l1 -text "$hook hook failed:" \
2415                -anchor w \
2416                -justify left \
2417                -font font_uibold
2418        text $w.m.t \
2419                -background white -borderwidth 1 \
2420                -relief sunken \
2421                -width 80 -height 10 \
2422                -font font_diff \
2423                -yscrollcommand [list $w.m.sby set]
2424        label $w.m.l2 \
2425                -text {You must correct the above errors before committing.} \
2426                -anchor w \
2427                -justify left \
2428                -font font_uibold
2429        scrollbar $w.m.sby -command [list $w.m.t yview]
2430        pack $w.m.l1 -side top -fill x
2431        pack $w.m.l2 -side bottom -fill x
2432        pack $w.m.sby -side right -fill y
2433        pack $w.m.t -side left -fill both -expand 1
2434        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2435
2436        $w.m.t insert 1.0 $msg
2437        $w.m.t conf -state disabled
2438
2439        button $w.ok -text OK \
2440                -width 15 \
2441                -font font_ui \
2442                -command "destroy $w"
2443        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2444
2445        bind $w <Visibility> "grab $w; focus $w"
2446        bind $w <Key-Return> "destroy $w"
2447        wm title $w "[appname] ([reponame]): error"
2448        tkwait window $w
2449}
2450
2451set next_console_id 0
2452
2453proc new_console {short_title long_title} {
2454        global next_console_id console_data
2455        set w .console[incr next_console_id]
2456        set console_data($w) [list $short_title $long_title]
2457        return [console_init $w]
2458}
2459
2460proc console_init {w} {
2461        global console_cr console_data M1B
2462
2463        set console_cr($w) 1.0
2464        toplevel $w
2465        frame $w.m
2466        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2467                -anchor w \
2468                -justify left \
2469                -font font_uibold
2470        text $w.m.t \
2471                -background white -borderwidth 1 \
2472                -relief sunken \
2473                -width 80 -height 10 \
2474                -font font_diff \
2475                -state disabled \
2476                -yscrollcommand [list $w.m.sby set]
2477        label $w.m.s -text {Working... please wait...} \
2478                -anchor w \
2479                -justify left \
2480                -font font_uibold
2481        scrollbar $w.m.sby -command [list $w.m.t yview]
2482        pack $w.m.l1 -side top -fill x
2483        pack $w.m.s -side bottom -fill x
2484        pack $w.m.sby -side right -fill y
2485        pack $w.m.t -side left -fill both -expand 1
2486        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2487
2488        menu $w.ctxm -tearoff 0
2489        $w.ctxm add command -label "Copy" \
2490                -font font_ui \
2491                -command "tk_textCopy $w.m.t"
2492        $w.ctxm add command -label "Select All" \
2493                -font font_ui \
2494                -command "$w.m.t tag add sel 0.0 end"
2495        $w.ctxm add command -label "Copy All" \
2496                -font font_ui \
2497                -command "
2498                        $w.m.t tag add sel 0.0 end
2499                        tk_textCopy $w.m.t
2500                        $w.m.t tag remove sel 0.0 end
2501                "
2502
2503        button $w.ok -text {Close} \
2504                -font font_ui \
2505                -state disabled \
2506                -command "destroy $w"
2507        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2508
2509        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2510        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2511        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2512        bind $w <Visibility> "focus $w"
2513        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2514        return $w
2515}
2516
2517proc console_exec {w cmd {after {}}} {
2518        # -- Windows tosses the enviroment when we exec our child.
2519        #    But most users need that so we have to relogin. :-(
2520        #
2521        if {[is_Windows]} {
2522                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2523        }
2524
2525        # -- Tcl won't let us redirect both stdout and stderr to
2526        #    the same pipe.  So pass it through cat...
2527        #
2528        set cmd [concat | $cmd |& cat]
2529
2530        set fd_f [open $cmd r]
2531        fconfigure $fd_f -blocking 0 -translation binary
2532        fileevent $fd_f readable [list console_read $w $fd_f $after]
2533}
2534
2535proc console_read {w fd after} {
2536        global console_cr console_data
2537
2538        set buf [read $fd]
2539        if {$buf ne {}} {
2540                if {![winfo exists $w]} {console_init $w}
2541                $w.m.t conf -state normal
2542                set c 0
2543                set n [string length $buf]
2544                while {$c < $n} {
2545                        set cr [string first "\r" $buf $c]
2546                        set lf [string first "\n" $buf $c]
2547                        if {$cr < 0} {set cr [expr {$n + 1}]}
2548                        if {$lf < 0} {set lf [expr {$n + 1}]}
2549
2550                        if {$lf < $cr} {
2551                                $w.m.t insert end [string range $buf $c $lf]
2552                                set console_cr($w) [$w.m.t index {end -1c}]
2553                                set c $lf
2554                                incr c
2555                        } else {
2556                                $w.m.t delete $console_cr($w) end
2557                                $w.m.t insert end "\n"
2558                                $w.m.t insert end [string range $buf $c $cr]
2559                                set c $cr
2560                                incr c
2561                        }
2562                }
2563                $w.m.t conf -state disabled
2564                $w.m.t see end
2565        }
2566
2567        fconfigure $fd -blocking 1
2568        if {[eof $fd]} {
2569                if {[catch {close $fd}]} {
2570                        if {![winfo exists $w]} {console_init $w}
2571                        $w.m.s conf -background red -text {Error: Command Failed}
2572                        $w.ok conf -state normal
2573                        set ok 0
2574                } elseif {[winfo exists $w]} {
2575                        $w.m.s conf -background green -text {Success}
2576                        $w.ok conf -state normal
2577                        set ok 1
2578                }
2579                array unset console_cr $w
2580                array unset console_data $w
2581                if {$after ne {}} {
2582                        uplevel #0 $after $ok
2583                }
2584                return
2585        }
2586        fconfigure $fd -blocking 0
2587}
2588
2589######################################################################
2590##
2591## ui commands
2592
2593set starting_gitk_msg {Starting gitk... please wait...}
2594
2595proc do_gitk {revs} {
2596        global ui_status_value starting_gitk_msg
2597
2598        set cmd gitk
2599        if {$revs ne {}} {
2600                append cmd { }
2601                append cmd $revs
2602        }
2603        if {[is_Windows]} {
2604                set cmd "sh -c \"exec $cmd\""
2605        }
2606        append cmd { &}
2607
2608        if {[catch {eval exec $cmd} err]} {
2609                error_popup "Failed to start gitk:\n\n$err"
2610        } else {
2611                set ui_status_value $starting_gitk_msg
2612                after 10000 {
2613                        if {$ui_status_value eq $starting_gitk_msg} {
2614                                set ui_status_value {Ready.}
2615                        }
2616                }
2617        }
2618}
2619
2620proc do_gc {} {
2621        set w [new_console {gc} {Compressing the object database}]
2622        console_exec $w {git gc}
2623}
2624
2625proc do_fsck_objects {} {
2626        set w [new_console {fsck-objects} \
2627                {Verifying the object database with fsck-objects}]
2628        set cmd [list git fsck-objects]
2629        lappend cmd --full
2630        lappend cmd --cache
2631        lappend cmd --strict
2632        console_exec $w $cmd
2633}
2634
2635set is_quitting 0
2636
2637proc do_quit {} {
2638        global ui_comm is_quitting repo_config commit_type
2639
2640        if {$is_quitting} return
2641        set is_quitting 1
2642
2643        # -- Stash our current commit buffer.
2644        #
2645        set save [gitdir GITGUI_MSG]
2646        set msg [string trim [$ui_comm get 0.0 end]]
2647        if {![string match amend* $commit_type]
2648                && [$ui_comm edit modified]
2649                && $msg ne {}} {
2650                catch {
2651                        set fd [open $save w]
2652                        puts $fd [string trim [$ui_comm get 0.0 end]]
2653                        close $fd
2654                }
2655        } else {
2656                catch {file delete $save}
2657        }
2658
2659        # -- Stash our current window geometry into this repository.
2660        #
2661        set cfg_geometry [list]
2662        lappend cfg_geometry [wm geometry .]
2663        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2664        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2665        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2666                set rc_geometry {}
2667        }
2668        if {$cfg_geometry ne $rc_geometry} {
2669                catch {exec git repo-config gui.geometry $cfg_geometry}
2670        }
2671
2672        destroy .
2673}
2674
2675proc do_rescan {} {
2676        rescan {set ui_status_value {Ready.}}
2677}
2678
2679proc unstage_helper {txt paths} {
2680        global file_states current_diff_path
2681
2682        if {![lock_index begin-update]} return
2683
2684        set pathList [list]
2685        set after {}
2686        foreach path $paths {
2687                switch -glob -- [lindex $file_states($path) 0] {
2688                A? -
2689                M? -
2690                D? {
2691                        lappend pathList $path
2692                        if {$path eq $current_diff_path} {
2693                                set after {reshow_diff;}
2694                        }
2695                }
2696                }
2697        }
2698        if {$pathList eq {}} {
2699                unlock_index
2700        } else {
2701                update_indexinfo \
2702                        $txt \
2703                        $pathList \
2704                        [concat $after {set ui_status_value {Ready.}}]
2705        }
2706}
2707
2708proc do_unstage_selection {} {
2709        global current_diff_path selected_paths
2710
2711        if {[array size selected_paths] > 0} {
2712                unstage_helper \
2713                        {Unstaging selected files from commit} \
2714                        [array names selected_paths]
2715        } elseif {$current_diff_path ne {}} {
2716                unstage_helper \
2717                        "Unstaging [short_path $current_diff_path] from commit" \
2718                        [list $current_diff_path]
2719        }
2720}
2721
2722proc add_helper {txt paths} {
2723        global file_states current_diff_path
2724
2725        if {![lock_index begin-update]} return
2726
2727        set pathList [list]
2728        set after {}
2729        foreach path $paths {
2730                switch -glob -- [lindex $file_states($path) 0] {
2731                _O -
2732                ?M -
2733                ?D -
2734                U? {
2735                        lappend pathList $path
2736                        if {$path eq $current_diff_path} {
2737                                set after {reshow_diff;}
2738                        }
2739                }
2740                }
2741        }
2742        if {$pathList eq {}} {
2743                unlock_index
2744        } else {
2745                update_index \
2746                        $txt \
2747                        $pathList \
2748                        [concat $after {set ui_status_value {Ready to commit.}}]
2749        }
2750}
2751
2752proc do_add_selection {} {
2753        global current_diff_path selected_paths
2754
2755        if {[array size selected_paths] > 0} {
2756                add_helper \
2757                        {Adding selected files} \
2758                        [array names selected_paths]
2759        } elseif {$current_diff_path ne {}} {
2760                add_helper \
2761                        "Adding [short_path $current_diff_path]" \
2762                        [list $current_diff_path]
2763        }
2764}
2765
2766proc do_add_all {} {
2767        global file_states
2768
2769        set paths [list]
2770        foreach path [array names file_states] {
2771                switch -glob -- [lindex $file_states($path) 0] {
2772                U? {continue}
2773                ?M -
2774                ?D {lappend paths $path}
2775                }
2776        }
2777        add_helper {Adding all changed files} $paths
2778}
2779
2780proc revert_helper {txt paths} {
2781        global file_states current_diff_path
2782
2783        if {![lock_index begin-update]} return
2784
2785        set pathList [list]
2786        set after {}
2787        foreach path $paths {
2788                switch -glob -- [lindex $file_states($path) 0] {
2789                U? {continue}
2790                ?M -
2791                ?D {
2792                        lappend pathList $path
2793                        if {$path eq $current_diff_path} {
2794                                set after {reshow_diff;}
2795                        }
2796                }
2797                }
2798        }
2799
2800        set n [llength $pathList]
2801        if {$n == 0} {
2802                unlock_index
2803                return
2804        } elseif {$n == 1} {
2805                set s "[short_path [lindex $pathList]]"
2806        } else {
2807                set s "these $n files"
2808        }
2809
2810        set reply [tk_dialog \
2811                .confirm_revert \
2812                "[appname] ([reponame])" \
2813                "Revert changes in $s?
2814
2815Any unadded changes will be permanently lost by the revert." \
2816                question \
2817                1 \
2818                {Do Nothing} \
2819                {Revert Changes} \
2820                ]
2821        if {$reply == 1} {
2822                checkout_index \
2823                        $txt \
2824                        $pathList \
2825                        [concat $after {set ui_status_value {Ready.}}]
2826        } else {
2827                unlock_index
2828        }
2829}
2830
2831proc do_revert_selection {} {
2832        global current_diff_path selected_paths
2833
2834        if {[array size selected_paths] > 0} {
2835                revert_helper \
2836                        {Reverting selected files} \
2837                        [array names selected_paths]
2838        } elseif {$current_diff_path ne {}} {
2839                revert_helper \
2840                        "Reverting [short_path $current_diff_path]" \
2841                        [list $current_diff_path]
2842        }
2843}
2844
2845proc do_signoff {} {
2846        global ui_comm
2847
2848        set me [committer_ident]
2849        if {$me eq {}} return
2850
2851        set sob "Signed-off-by: $me"
2852        set last [$ui_comm get {end -1c linestart} {end -1c}]
2853        if {$last ne $sob} {
2854                $ui_comm edit separator
2855                if {$last ne {}
2856                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2857                        $ui_comm insert end "\n"
2858                }
2859                $ui_comm insert end "\n$sob"
2860                $ui_comm edit separator
2861                $ui_comm see end
2862        }
2863}
2864
2865proc do_select_commit_type {} {
2866        global commit_type selected_commit_type
2867
2868        if {$selected_commit_type eq {new}
2869                && [string match amend* $commit_type]} {
2870                create_new_commit
2871        } elseif {$selected_commit_type eq {amend}
2872                && ![string match amend* $commit_type]} {
2873                load_last_commit
2874
2875                # The amend request was rejected...
2876                #
2877                if {![string match amend* $commit_type]} {
2878                        set selected_commit_type new
2879                }
2880        }
2881}
2882
2883proc do_commit {} {
2884        commit_tree
2885}
2886
2887proc do_about {} {
2888        global appvers copyright
2889        global tcl_patchLevel tk_patchLevel
2890
2891        set w .about_dialog
2892        toplevel $w
2893        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2894
2895        label $w.header -text "About [appname]" \
2896                -font font_uibold
2897        pack $w.header -side top -fill x
2898
2899        frame $w.buttons
2900        button $w.buttons.close -text {Close} \
2901                -font font_ui \
2902                -command [list destroy $w]
2903        pack $w.buttons.close -side right
2904        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2905
2906        label $w.desc \
2907                -text "[appname] - a commit creation tool for Git.
2908$copyright" \
2909                -padx 5 -pady 5 \
2910                -justify left \
2911                -anchor w \
2912                -borderwidth 1 \
2913                -relief solid \
2914                -font font_ui
2915        pack $w.desc -side top -fill x -padx 5 -pady 5
2916
2917        set v {}
2918        append v "[appname] version $appvers\n"
2919        append v "[exec git version]\n"
2920        append v "\n"
2921        if {$tcl_patchLevel eq $tk_patchLevel} {
2922                append v "Tcl/Tk version $tcl_patchLevel"
2923        } else {
2924                append v "Tcl version $tcl_patchLevel"
2925                append v ", Tk version $tk_patchLevel"
2926        }
2927
2928        label $w.vers \
2929                -text $v \
2930                -padx 5 -pady 5 \
2931                -justify left \
2932                -anchor w \
2933                -borderwidth 1 \
2934                -relief solid \
2935                -font font_ui
2936        pack $w.vers -side top -fill x -padx 5 -pady 5
2937
2938        menu $w.ctxm -tearoff 0
2939        $w.ctxm add command \
2940                -label {Copy} \
2941                -font font_ui \
2942                -command "
2943                clipboard clear
2944                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2945        "
2946
2947        bind $w <Visibility> "grab $w; focus $w"
2948        bind $w <Key-Escape> "destroy $w"
2949        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2950        wm title $w "About [appname]"
2951        tkwait window $w
2952}
2953
2954proc do_options {} {
2955        global repo_config global_config font_descs
2956        global repo_config_new global_config_new
2957
2958        array unset repo_config_new
2959        array unset global_config_new
2960        foreach name [array names repo_config] {
2961                set repo_config_new($name) $repo_config($name)
2962        }
2963        load_config 1
2964        foreach name [array names repo_config] {
2965                switch -- $name {
2966                gui.diffcontext {continue}
2967                }
2968                set repo_config_new($name) $repo_config($name)
2969        }
2970        foreach name [array names global_config] {
2971                set global_config_new($name) $global_config($name)
2972        }
2973
2974        set w .options_editor
2975        toplevel $w
2976        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2977
2978        label $w.header -text "[appname] Options" \
2979                -font font_uibold
2980        pack $w.header -side top -fill x
2981
2982        frame $w.buttons
2983        button $w.buttons.restore -text {Restore Defaults} \
2984                -font font_ui \
2985                -command do_restore_defaults
2986        pack $w.buttons.restore -side left
2987        button $w.buttons.save -text Save \
2988                -font font_ui \
2989                -command [list do_save_config $w]
2990        pack $w.buttons.save -side right
2991        button $w.buttons.cancel -text {Cancel} \
2992                -font font_ui \
2993                -command [list destroy $w]
2994        pack $w.buttons.cancel -side right -padx 5
2995        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2996
2997        labelframe $w.repo -text "[reponame] Repository" \
2998                -font font_ui \
2999                -relief raised -borderwidth 2
3000        labelframe $w.global -text {Global (All Repositories)} \
3001                -font font_ui \
3002                -relief raised -borderwidth 2
3003        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
3004        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
3005
3006        foreach option {
3007                {b pullsummary {Show Pull Summary}}
3008                {b trustmtime  {Trust File Modification Timestamps}}
3009                {i diffcontext {Number of Diff Context Lines}}
3010                } {
3011                set type [lindex $option 0]
3012                set name [lindex $option 1]
3013                set text [lindex $option 2]
3014                foreach f {repo global} {
3015                        switch $type {
3016                        b {
3017                                checkbutton $w.$f.$name -text $text \
3018                                        -variable ${f}_config_new(gui.$name) \
3019                                        -onvalue true \
3020                                        -offvalue false \
3021                                        -font font_ui
3022                                pack $w.$f.$name -side top -anchor w
3023                        }
3024                        i {
3025                                frame $w.$f.$name
3026                                label $w.$f.$name.l -text "$text:" -font font_ui
3027                                pack $w.$f.$name.l -side left -anchor w -fill x
3028                                spinbox $w.$f.$name.v \
3029                                        -textvariable ${f}_config_new(gui.$name) \
3030                                        -from 1 -to 99 -increment 1 \
3031                                        -width 3 \
3032                                        -font font_ui
3033                                pack $w.$f.$name.v -side right -anchor e
3034                                pack $w.$f.$name -side top -anchor w -fill x
3035                        }
3036                        }
3037                }
3038        }
3039
3040        set all_fonts [lsort [font families]]
3041        foreach option $font_descs {
3042                set name [lindex $option 0]
3043                set font [lindex $option 1]
3044                set text [lindex $option 2]
3045
3046                set global_config_new(gui.$font^^family) \
3047                        [font configure $font -family]
3048                set global_config_new(gui.$font^^size) \
3049                        [font configure $font -size]
3050
3051                frame $w.global.$name
3052                label $w.global.$name.l -text "$text:" -font font_ui
3053                pack $w.global.$name.l -side left -anchor w -fill x
3054                eval tk_optionMenu $w.global.$name.family \
3055                        global_config_new(gui.$font^^family) \
3056                        $all_fonts
3057                spinbox $w.global.$name.size \
3058                        -textvariable global_config_new(gui.$font^^size) \
3059                        -from 2 -to 80 -increment 1 \
3060                        -width 3 \
3061                        -font font_ui
3062                pack $w.global.$name.size -side right -anchor e
3063                pack $w.global.$name.family -side right -anchor e
3064                pack $w.global.$name -side top -anchor w -fill x
3065        }
3066
3067        bind $w <Visibility> "grab $w; focus $w"
3068        bind $w <Key-Escape> "destroy $w"
3069        wm title $w "[appname] ([reponame]): Options"
3070        tkwait window $w
3071}
3072
3073proc do_restore_defaults {} {
3074        global font_descs default_config repo_config
3075        global repo_config_new global_config_new
3076
3077        foreach name [array names default_config] {
3078                set repo_config_new($name) $default_config($name)
3079                set global_config_new($name) $default_config($name)
3080        }
3081
3082        foreach option $font_descs {
3083                set name [lindex $option 0]
3084                set repo_config(gui.$name) $default_config(gui.$name)
3085        }
3086        apply_config
3087
3088        foreach option $font_descs {
3089                set name [lindex $option 0]
3090                set font [lindex $option 1]
3091                set global_config_new(gui.$font^^family) \
3092                        [font configure $font -family]
3093                set global_config_new(gui.$font^^size) \
3094                        [font configure $font -size]
3095        }
3096}
3097
3098proc do_save_config {w} {
3099        if {[catch {save_config} err]} {
3100                error_popup "Failed to completely save options:\n\n$err"
3101        }
3102        reshow_diff
3103        destroy $w
3104}
3105
3106proc do_windows_shortcut {} {
3107        global argv0
3108
3109        if {[catch {
3110                set desktop [exec cygpath \
3111                        --windows \
3112                        --absolute \
3113                        --long-name \
3114                        --desktop]
3115                }]} {
3116                        set desktop .
3117        }
3118        set fn [tk_getSaveFile \
3119                -parent . \
3120                -title "[appname] ([reponame]): Create Desktop Icon" \
3121                -initialdir $desktop \
3122                -initialfile "Git [reponame].bat"]
3123        if {$fn != {}} {
3124                if {[catch {
3125                                set fd [open $fn w]
3126                                set sh [exec cygpath \
3127                                        --windows \
3128                                        --absolute \
3129                                        /bin/sh]
3130                                set me [exec cygpath \
3131                                        --unix \
3132                                        --absolute \
3133                                        $argv0]
3134                                set gd [exec cygpath \
3135                                        --unix \
3136                                        --absolute \
3137                                        [gitdir]]
3138                                set gw [exec cygpath \
3139                                        --windows \
3140                                        --absolute \
3141                                        [file dirname [gitdir]]]
3142                                regsub -all ' $me "'\\''" me
3143                                regsub -all ' $gd "'\\''" gd
3144                                puts $fd "@ECHO Entering $gw"
3145                                puts $fd "@ECHO Starting git-gui... please wait..."
3146                                puts -nonewline $fd "@\"$sh\" --login -c \""
3147                                puts -nonewline $fd "GIT_DIR='$gd'"
3148                                puts -nonewline $fd " '$me'"
3149                                puts $fd "&\""
3150                                close $fd
3151                        } err]} {
3152                        error_popup "Cannot write script:\n\n$err"
3153                }
3154        }
3155}
3156
3157proc do_macosx_app {} {
3158        global argv0 env
3159
3160        set fn [tk_getSaveFile \
3161                -parent . \
3162                -title "[appname] ([reponame]): Create Desktop Icon" \
3163                -initialdir [file join $env(HOME) Desktop] \
3164                -initialfile "Git [reponame].app"]
3165        if {$fn != {}} {
3166                if {[catch {
3167                                set Contents [file join $fn Contents]
3168                                set MacOS [file join $Contents MacOS]
3169                                set exe [file join $MacOS git-gui]
3170
3171                                file mkdir $MacOS
3172
3173                                set fd [open [file join $Contents Info.plist] w]
3174                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3175<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3176<plist version="1.0">
3177<dict>
3178        <key>CFBundleDevelopmentRegion</key>
3179        <string>English</string>
3180        <key>CFBundleExecutable</key>
3181        <string>git-gui</string>
3182        <key>CFBundleIdentifier</key>
3183        <string>org.spearce.git-gui</string>
3184        <key>CFBundleInfoDictionaryVersion</key>
3185        <string>6.0</string>
3186        <key>CFBundlePackageType</key>
3187        <string>APPL</string>
3188        <key>CFBundleSignature</key>
3189        <string>????</string>
3190        <key>CFBundleVersion</key>
3191        <string>1.0</string>
3192        <key>NSPrincipalClass</key>
3193        <string>NSApplication</string>
3194</dict>
3195</plist>}
3196                                close $fd
3197
3198                                set fd [open $exe w]
3199                                set gd [file normalize [gitdir]]
3200                                set ep [file normalize [exec git --exec-path]]
3201                                regsub -all ' $gd "'\\''" gd
3202                                regsub -all ' $ep "'\\''" ep
3203                                puts $fd "#!/bin/sh"
3204                                foreach name [array names env] {
3205                                        if {[string match GIT_* $name]} {
3206                                                regsub -all ' $env($name) "'\\''" v
3207                                                puts $fd "export $name='$v'"
3208                                        }
3209                                }
3210                                puts $fd "export PATH='$ep':\$PATH"
3211                                puts $fd "export GIT_DIR='$gd'"
3212                                puts $fd "exec [file normalize $argv0]"
3213                                close $fd
3214
3215                                file attributes $exe -permissions u+x,g+x,o+x
3216                        } err]} {
3217                        error_popup "Cannot write icon:\n\n$err"
3218                }
3219        }
3220}
3221
3222proc toggle_or_diff {w x y} {
3223        global file_states file_lists current_diff_path ui_index ui_workdir
3224        global last_clicked selected_paths
3225
3226        set pos [split [$w index @$x,$y] .]
3227        set lno [lindex $pos 0]
3228        set col [lindex $pos 1]
3229        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3230        if {$path eq {}} {
3231                set last_clicked {}
3232                return
3233        }
3234
3235        set last_clicked [list $w $lno]
3236        array unset selected_paths
3237        $ui_index tag remove in_sel 0.0 end
3238        $ui_workdir tag remove in_sel 0.0 end
3239
3240        if {$col == 0} {
3241                if {$current_diff_path eq $path} {
3242                        set after {reshow_diff;}
3243                } else {
3244                        set after {}
3245                }
3246                if {$w eq $ui_index} {
3247                        update_indexinfo \
3248                                "Unstaging [short_path $path] from commit" \
3249                                [list $path] \
3250                                [concat $after {set ui_status_value {Ready.}}]
3251                } elseif {$w eq $ui_workdir} {
3252                        update_index \
3253                                "Adding [short_path $path]" \
3254                                [list $path] \
3255                                [concat $after {set ui_status_value {Ready.}}]
3256                }
3257        } else {
3258                show_diff $path $w $lno
3259        }
3260}
3261
3262proc add_one_to_selection {w x y} {
3263        global file_lists last_clicked selected_paths
3264
3265        set lno [lindex [split [$w index @$x,$y] .] 0]
3266        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3267        if {$path eq {}} {
3268                set last_clicked {}
3269                return
3270        }
3271
3272        if {$last_clicked ne {}
3273                && [lindex $last_clicked 0] ne $w} {
3274                array unset selected_paths
3275                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3276        }
3277
3278        set last_clicked [list $w $lno]
3279        if {[catch {set in_sel $selected_paths($path)}]} {
3280                set in_sel 0
3281        }
3282        if {$in_sel} {
3283                unset selected_paths($path)
3284                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3285        } else {
3286                set selected_paths($path) 1
3287                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3288        }
3289}
3290
3291proc add_range_to_selection {w x y} {
3292        global file_lists last_clicked selected_paths
3293
3294        if {[lindex $last_clicked 0] ne $w} {
3295                toggle_or_diff $w $x $y
3296                return
3297        }
3298
3299        set lno [lindex [split [$w index @$x,$y] .] 0]
3300        set lc [lindex $last_clicked 1]
3301        if {$lc < $lno} {
3302                set begin $lc
3303                set end $lno
3304        } else {
3305                set begin $lno
3306                set end $lc
3307        }
3308
3309        foreach path [lrange $file_lists($w) \
3310                [expr {$begin - 1}] \
3311                [expr {$end - 1}]] {
3312                set selected_paths($path) 1
3313        }
3314        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3315}
3316
3317######################################################################
3318##
3319## config defaults
3320
3321set cursor_ptr arrow
3322font create font_diff -family Courier -size 10
3323font create font_ui
3324catch {
3325        label .dummy
3326        eval font configure font_ui [font actual [.dummy cget -font]]
3327        destroy .dummy
3328}
3329
3330font create font_uibold
3331font create font_diffbold
3332
3333if {[is_Windows]} {
3334        set M1B Control
3335        set M1T Ctrl
3336} elseif {[is_MacOSX]} {
3337        set M1B M1
3338        set M1T Cmd
3339} else {
3340        set M1B M1
3341        set M1T M1
3342}
3343
3344proc apply_config {} {
3345        global repo_config font_descs
3346
3347        foreach option $font_descs {
3348                set name [lindex $option 0]
3349                set font [lindex $option 1]
3350                if {[catch {
3351                        foreach {cn cv} $repo_config(gui.$name) {
3352                                font configure $font $cn $cv
3353                        }
3354                        } err]} {
3355                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3356                }
3357                foreach {cn cv} [font configure $font] {
3358                        font configure ${font}bold $cn $cv
3359                }
3360                font configure ${font}bold -weight bold
3361        }
3362}
3363
3364set default_config(gui.trustmtime) false
3365set default_config(gui.pullsummary) true
3366set default_config(gui.diffcontext) 5
3367set default_config(gui.fontui) [font configure font_ui]
3368set default_config(gui.fontdiff) [font configure font_diff]
3369set font_descs {
3370        {fontui   font_ui   {Main Font}}
3371        {fontdiff font_diff {Diff/Console Font}}
3372}
3373load_config 0
3374apply_config
3375
3376######################################################################
3377##
3378## ui construction
3379
3380# -- Menu Bar
3381#
3382menu .mbar -tearoff 0
3383.mbar add cascade -label Repository -menu .mbar.repository
3384.mbar add cascade -label Edit -menu .mbar.edit
3385if {!$single_commit} {
3386        .mbar add cascade -label Branch -menu .mbar.branch
3387}
3388.mbar add cascade -label Commit -menu .mbar.commit
3389if {!$single_commit} {
3390        .mbar add cascade -label Fetch -menu .mbar.fetch
3391        .mbar add cascade -label Pull -menu .mbar.pull
3392        .mbar add cascade -label Push -menu .mbar.push
3393}
3394. configure -menu .mbar
3395
3396# -- Repository Menu
3397#
3398menu .mbar.repository
3399.mbar.repository add command \
3400        -label {Visualize Current Branch} \
3401        -command {do_gitk {}} \
3402        -font font_ui
3403if {![is_MacOSX]} {
3404        .mbar.repository add command \
3405                -label {Visualize All Branches} \
3406                -command {do_gitk {--all}} \
3407                -font font_ui
3408}
3409.mbar.repository add separator
3410
3411if {!$single_commit} {
3412        .mbar.repository add command -label {Compress Database} \
3413                -command do_gc \
3414                -font font_ui
3415
3416        .mbar.repository add command -label {Verify Database} \
3417                -command do_fsck_objects \
3418                -font font_ui
3419
3420        .mbar.repository add separator
3421
3422        if {[is_Windows]} {
3423                .mbar.repository add command \
3424                        -label {Create Desktop Icon} \
3425                        -command do_windows_shortcut \
3426                        -font font_ui
3427        } elseif {[is_MacOSX]} {
3428                .mbar.repository add command \
3429                        -label {Create Desktop Icon} \
3430                        -command do_macosx_app \
3431                        -font font_ui
3432        }
3433}
3434
3435.mbar.repository add command -label Quit \
3436        -command do_quit \
3437        -accelerator $M1T-Q \
3438        -font font_ui
3439
3440# -- Edit Menu
3441#
3442menu .mbar.edit
3443.mbar.edit add command -label Undo \
3444        -command {catch {[focus] edit undo}} \
3445        -accelerator $M1T-Z \
3446        -font font_ui
3447.mbar.edit add command -label Redo \
3448        -command {catch {[focus] edit redo}} \
3449        -accelerator $M1T-Y \
3450        -font font_ui
3451.mbar.edit add separator
3452.mbar.edit add command -label Cut \
3453        -command {catch {tk_textCut [focus]}} \
3454        -accelerator $M1T-X \
3455        -font font_ui
3456.mbar.edit add command -label Copy \
3457        -command {catch {tk_textCopy [focus]}} \
3458        -accelerator $M1T-C \
3459        -font font_ui
3460.mbar.edit add command -label Paste \
3461        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3462        -accelerator $M1T-V \
3463        -font font_ui
3464.mbar.edit add command -label Delete \
3465        -command {catch {[focus] delete sel.first sel.last}} \
3466        -accelerator Del \
3467        -font font_ui
3468.mbar.edit add separator
3469.mbar.edit add command -label {Select All} \
3470        -command {catch {[focus] tag add sel 0.0 end}} \
3471        -accelerator $M1T-A \
3472        -font font_ui
3473
3474# -- Branch Menu
3475#
3476if {!$single_commit} {
3477        menu .mbar.branch
3478
3479        .mbar.branch add command -label {Create...} \
3480                -command do_create_branch \
3481                -accelerator $M1T-N \
3482                -font font_ui
3483        lappend disable_on_lock [list .mbar.branch entryconf \
3484                [.mbar.branch index last] -state]
3485
3486        .mbar.branch add command -label {Delete...} \
3487                -command do_delete_branch \
3488                -font font_ui
3489        lappend disable_on_lock [list .mbar.branch entryconf \
3490                [.mbar.branch index last] -state]
3491}
3492
3493# -- Commit Menu
3494#
3495menu .mbar.commit
3496
3497.mbar.commit add radiobutton \
3498        -label {New Commit} \
3499        -command do_select_commit_type \
3500        -variable selected_commit_type \
3501        -value new \
3502        -font font_ui
3503lappend disable_on_lock \
3504        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3505
3506.mbar.commit add radiobutton \
3507        -label {Amend Last Commit} \
3508        -command do_select_commit_type \
3509        -variable selected_commit_type \
3510        -value amend \
3511        -font font_ui
3512lappend disable_on_lock \
3513        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3514
3515.mbar.commit add separator
3516
3517.mbar.commit add command -label Rescan \
3518        -command do_rescan \
3519        -accelerator F5 \
3520        -font font_ui
3521lappend disable_on_lock \
3522        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3523
3524.mbar.commit add command -label {Add To Commit} \
3525        -command do_add_selection \
3526        -font font_ui
3527lappend disable_on_lock \
3528        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3529
3530.mbar.commit add command -label {Add All To Commit} \
3531        -command do_add_all \
3532        -accelerator $M1T-I \
3533        -font font_ui
3534lappend disable_on_lock \
3535        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3536
3537.mbar.commit add command -label {Unstage From Commit} \
3538        -command do_unstage_selection \
3539        -font font_ui
3540lappend disable_on_lock \
3541        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3542
3543.mbar.commit add command -label {Revert Changes} \
3544        -command do_revert_selection \
3545        -font font_ui
3546lappend disable_on_lock \
3547        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3548
3549.mbar.commit add separator
3550
3551.mbar.commit add command -label {Sign Off} \
3552        -command do_signoff \
3553        -accelerator $M1T-S \
3554        -font font_ui
3555
3556.mbar.commit add command -label Commit \
3557        -command do_commit \
3558        -accelerator $M1T-Return \
3559        -font font_ui
3560lappend disable_on_lock \
3561        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3562
3563# -- Transport menus
3564#
3565if {!$single_commit} {
3566        menu .mbar.fetch
3567        menu .mbar.pull
3568        menu .mbar.push
3569}
3570
3571if {[is_MacOSX]} {
3572        # -- Apple Menu (Mac OS X only)
3573        #
3574        .mbar add cascade -label Apple -menu .mbar.apple
3575        menu .mbar.apple
3576
3577        .mbar.apple add command -label "About [appname]" \
3578                -command do_about \
3579                -font font_ui
3580        .mbar.apple add command -label "[appname] Options..." \
3581                -command do_options \
3582                -font font_ui
3583} else {
3584        # -- Edit Menu
3585        #
3586        .mbar.edit add separator
3587        .mbar.edit add command -label {Options...} \
3588                -command do_options \
3589                -font font_ui
3590
3591        # -- Tools Menu
3592        #
3593        if {[file exists /usr/local/miga/lib/gui-miga]
3594                && [file exists .pvcsrc]} {
3595        proc do_miga {} {
3596                global ui_status_value
3597                if {![lock_index update]} return
3598                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3599                set miga_fd [open "|$cmd" r]
3600                fconfigure $miga_fd -blocking 0
3601                fileevent $miga_fd readable [list miga_done $miga_fd]
3602                set ui_status_value {Running miga...}
3603        }
3604        proc miga_done {fd} {
3605                read $fd 512
3606                if {[eof $fd]} {
3607                        close $fd
3608                        unlock_index
3609                        rescan [list set ui_status_value {Ready.}]
3610                }
3611        }
3612        .mbar add cascade -label Tools -menu .mbar.tools
3613        menu .mbar.tools
3614        .mbar.tools add command -label "Migrate" \
3615                -command do_miga \
3616                -font font_ui
3617        lappend disable_on_lock \
3618                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3619        }
3620
3621        # -- Help Menu
3622        #
3623        .mbar add cascade -label Help -menu .mbar.help
3624        menu .mbar.help
3625
3626        .mbar.help add command -label "About [appname]" \
3627                -command do_about \
3628                -font font_ui
3629}
3630
3631
3632# -- Branch Control
3633#
3634frame .branch \
3635        -borderwidth 1 \
3636        -relief sunken
3637label .branch.l1 \
3638        -text {Current Branch:} \
3639        -anchor w \
3640        -justify left \
3641        -font font_ui
3642label .branch.cb \
3643        -textvariable current_branch \
3644        -anchor w \
3645        -justify left \
3646        -font font_ui
3647pack .branch.l1 -side left
3648pack .branch.cb -side left -fill x
3649pack .branch -side top -fill x
3650
3651# -- Main Window Layout
3652#
3653panedwindow .vpane -orient vertical
3654panedwindow .vpane.files -orient horizontal
3655.vpane add .vpane.files -sticky nsew -height 100 -width 400
3656pack .vpane -anchor n -side top -fill both -expand 1
3657
3658# -- Index File List
3659#
3660frame .vpane.files.index -height 100 -width 400
3661label .vpane.files.index.title -text {Changes To Be Committed} \
3662        -background green \
3663        -font font_ui
3664text $ui_index -background white -borderwidth 0 \
3665        -width 40 -height 10 \
3666        -wrap none \
3667        -font font_ui \
3668        -cursor $cursor_ptr \
3669        -xscrollcommand {.vpane.files.index.sx set} \
3670        -yscrollcommand {.vpane.files.index.sy set} \
3671        -state disabled
3672scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3673scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3674pack .vpane.files.index.title -side top -fill x
3675pack .vpane.files.index.sx -side bottom -fill x
3676pack .vpane.files.index.sy -side right -fill y
3677pack $ui_index -side left -fill both -expand 1
3678.vpane.files add .vpane.files.index -sticky nsew
3679
3680# -- Working Directory File List
3681#
3682frame .vpane.files.workdir -height 100 -width 100
3683label .vpane.files.workdir.title -text {Changed But Not Updated} \
3684        -background red \
3685        -font font_ui
3686text $ui_workdir -background white -borderwidth 0 \
3687        -width 40 -height 10 \
3688        -wrap none \
3689        -font font_ui \
3690        -cursor $cursor_ptr \
3691        -xscrollcommand {.vpane.files.workdir.sx set} \
3692        -yscrollcommand {.vpane.files.workdir.sy set} \
3693        -state disabled
3694scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3695scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3696pack .vpane.files.workdir.title -side top -fill x
3697pack .vpane.files.workdir.sx -side bottom -fill x
3698pack .vpane.files.workdir.sy -side right -fill y
3699pack $ui_workdir -side left -fill both -expand 1
3700.vpane.files add .vpane.files.workdir -sticky nsew
3701
3702foreach i [list $ui_index $ui_workdir] {
3703        $i tag conf in_diff -font font_uibold
3704        $i tag conf in_sel \
3705                -background [$i cget -foreground] \
3706                -foreground [$i cget -background]
3707}
3708unset i
3709
3710# -- Diff and Commit Area
3711#
3712frame .vpane.lower -height 300 -width 400
3713frame .vpane.lower.commarea
3714frame .vpane.lower.diff -relief sunken -borderwidth 1
3715pack .vpane.lower.commarea -side top -fill x
3716pack .vpane.lower.diff -side bottom -fill both -expand 1
3717.vpane add .vpane.lower -stick nsew
3718
3719# -- Commit Area Buttons
3720#
3721frame .vpane.lower.commarea.buttons
3722label .vpane.lower.commarea.buttons.l -text {} \
3723        -anchor w \
3724        -justify left \
3725        -font font_ui
3726pack .vpane.lower.commarea.buttons.l -side top -fill x
3727pack .vpane.lower.commarea.buttons -side left -fill y
3728
3729button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3730        -command do_rescan \
3731        -font font_ui
3732pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3733lappend disable_on_lock \
3734        {.vpane.lower.commarea.buttons.rescan conf -state}
3735
3736button .vpane.lower.commarea.buttons.incall -text {Add All} \
3737        -command do_add_all \
3738        -font font_ui
3739pack .vpane.lower.commarea.buttons.incall -side top -fill x
3740lappend disable_on_lock \
3741        {.vpane.lower.commarea.buttons.incall conf -state}
3742
3743button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3744        -command do_signoff \
3745        -font font_ui
3746pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3747
3748button .vpane.lower.commarea.buttons.commit -text {Commit} \
3749        -command do_commit \
3750        -font font_ui
3751pack .vpane.lower.commarea.buttons.commit -side top -fill x
3752lappend disable_on_lock \
3753        {.vpane.lower.commarea.buttons.commit conf -state}
3754
3755# -- Commit Message Buffer
3756#
3757frame .vpane.lower.commarea.buffer
3758frame .vpane.lower.commarea.buffer.header
3759set ui_comm .vpane.lower.commarea.buffer.t
3760set ui_coml .vpane.lower.commarea.buffer.header.l
3761radiobutton .vpane.lower.commarea.buffer.header.new \
3762        -text {New Commit} \
3763        -command do_select_commit_type \
3764        -variable selected_commit_type \
3765        -value new \
3766        -font font_ui
3767lappend disable_on_lock \
3768        [list .vpane.lower.commarea.buffer.header.new conf -state]
3769radiobutton .vpane.lower.commarea.buffer.header.amend \
3770        -text {Amend Last Commit} \
3771        -command do_select_commit_type \
3772        -variable selected_commit_type \
3773        -value amend \
3774        -font font_ui
3775lappend disable_on_lock \
3776        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3777label $ui_coml \
3778        -anchor w \
3779        -justify left \
3780        -font font_ui
3781proc trace_commit_type {varname args} {
3782        global ui_coml commit_type
3783        switch -glob -- $commit_type {
3784        initial       {set txt {Initial Commit Message:}}
3785        amend         {set txt {Amended Commit Message:}}
3786        amend-initial {set txt {Amended Initial Commit Message:}}
3787        amend-merge   {set txt {Amended Merge Commit Message:}}
3788        merge         {set txt {Merge Commit Message:}}
3789        *             {set txt {Commit Message:}}
3790        }
3791        $ui_coml conf -text $txt
3792}
3793trace add variable commit_type write trace_commit_type
3794pack $ui_coml -side left -fill x
3795pack .vpane.lower.commarea.buffer.header.amend -side right
3796pack .vpane.lower.commarea.buffer.header.new -side right
3797
3798text $ui_comm -background white -borderwidth 1 \
3799        -undo true \
3800        -maxundo 20 \
3801        -autoseparators true \
3802        -relief sunken \
3803        -width 75 -height 9 -wrap none \
3804        -font font_diff \
3805        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3806scrollbar .vpane.lower.commarea.buffer.sby \
3807        -command [list $ui_comm yview]
3808pack .vpane.lower.commarea.buffer.header -side top -fill x
3809pack .vpane.lower.commarea.buffer.sby -side right -fill y
3810pack $ui_comm -side left -fill y
3811pack .vpane.lower.commarea.buffer -side left -fill y
3812
3813# -- Commit Message Buffer Context Menu
3814#
3815set ctxm .vpane.lower.commarea.buffer.ctxm
3816menu $ctxm -tearoff 0
3817$ctxm add command \
3818        -label {Cut} \
3819        -font font_ui \
3820        -command {tk_textCut $ui_comm}
3821$ctxm add command \
3822        -label {Copy} \
3823        -font font_ui \
3824        -command {tk_textCopy $ui_comm}
3825$ctxm add command \
3826        -label {Paste} \
3827        -font font_ui \
3828        -command {tk_textPaste $ui_comm}
3829$ctxm add command \
3830        -label {Delete} \
3831        -font font_ui \
3832        -command {$ui_comm delete sel.first sel.last}
3833$ctxm add separator
3834$ctxm add command \
3835        -label {Select All} \
3836        -font font_ui \
3837        -command {$ui_comm tag add sel 0.0 end}
3838$ctxm add command \
3839        -label {Copy All} \
3840        -font font_ui \
3841        -command {
3842                $ui_comm tag add sel 0.0 end
3843                tk_textCopy $ui_comm
3844                $ui_comm tag remove sel 0.0 end
3845        }
3846$ctxm add separator
3847$ctxm add command \
3848        -label {Sign Off} \
3849        -font font_ui \
3850        -command do_signoff
3851bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3852
3853# -- Diff Header
3854#
3855set current_diff_path {}
3856set diff_actions [list]
3857proc trace_current_diff_path {varname args} {
3858        global current_diff_path diff_actions file_states
3859        if {$current_diff_path eq {}} {
3860                set s {}
3861                set f {}
3862                set p {}
3863                set o disabled
3864        } else {
3865                set p $current_diff_path
3866                set s [mapdesc [lindex $file_states($p) 0] $p]
3867                set f {File:}
3868                set p [escape_path $p]
3869                set o normal
3870        }
3871
3872        .vpane.lower.diff.header.status configure -text $s
3873        .vpane.lower.diff.header.file configure -text $f
3874        .vpane.lower.diff.header.path configure -text $p
3875        foreach w $diff_actions {
3876                uplevel #0 $w $o
3877        }
3878}
3879trace add variable current_diff_path write trace_current_diff_path
3880
3881frame .vpane.lower.diff.header -background orange
3882label .vpane.lower.diff.header.status \
3883        -background orange \
3884        -width $max_status_desc \
3885        -anchor w \
3886        -justify left \
3887        -font font_ui
3888label .vpane.lower.diff.header.file \
3889        -background orange \
3890        -anchor w \
3891        -justify left \
3892        -font font_ui
3893label .vpane.lower.diff.header.path \
3894        -background orange \
3895        -anchor w \
3896        -justify left \
3897        -font font_ui
3898pack .vpane.lower.diff.header.status -side left
3899pack .vpane.lower.diff.header.file -side left
3900pack .vpane.lower.diff.header.path -fill x
3901set ctxm .vpane.lower.diff.header.ctxm
3902menu $ctxm -tearoff 0
3903$ctxm add command \
3904        -label {Copy} \
3905        -font font_ui \
3906        -command {
3907                clipboard clear
3908                clipboard append \
3909                        -format STRING \
3910                        -type STRING \
3911                        -- $current_diff_path
3912        }
3913lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3914bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3915
3916# -- Diff Body
3917#
3918frame .vpane.lower.diff.body
3919set ui_diff .vpane.lower.diff.body.t
3920text $ui_diff -background white -borderwidth 0 \
3921        -width 80 -height 15 -wrap none \
3922        -font font_diff \
3923        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3924        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3925        -state disabled
3926scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3927        -command [list $ui_diff xview]
3928scrollbar .vpane.lower.diff.body.sby -orient vertical \
3929        -command [list $ui_diff yview]
3930pack .vpane.lower.diff.body.sbx -side bottom -fill x
3931pack .vpane.lower.diff.body.sby -side right -fill y
3932pack $ui_diff -side left -fill both -expand 1
3933pack .vpane.lower.diff.header -side top -fill x
3934pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3935
3936$ui_diff tag conf d_@ -foreground blue -font font_diffbold
3937$ui_diff tag conf d_+ -foreground {#00a000}
3938$ui_diff tag conf d_- -foreground red
3939
3940$ui_diff tag conf d_++ -foreground {#00a000}
3941$ui_diff tag conf d_-- -foreground red
3942$ui_diff tag conf d_+s \
3943        -foreground {#00a000} \
3944        -background {#e2effa}
3945$ui_diff tag conf d_-s \
3946        -foreground red \
3947        -background {#e2effa}
3948$ui_diff tag conf d_s+ \
3949        -foreground {#00a000} \
3950        -background ivory1
3951$ui_diff tag conf d_s- \
3952        -foreground red \
3953        -background ivory1
3954
3955$ui_diff tag conf d<<<<<<< \
3956        -foreground orange \
3957        -font font_diffbold
3958$ui_diff tag conf d======= \
3959        -foreground orange \
3960        -font font_diffbold
3961$ui_diff tag conf d>>>>>>> \
3962        -foreground orange \
3963        -font font_diffbold
3964
3965$ui_diff tag raise sel
3966
3967# -- Diff Body Context Menu
3968#
3969set ctxm .vpane.lower.diff.body.ctxm
3970menu $ctxm -tearoff 0
3971$ctxm add command \
3972        -label {Refresh} \
3973        -font font_ui \
3974        -command reshow_diff
3975$ctxm add command \
3976        -label {Copy} \
3977        -font font_ui \
3978        -command {tk_textCopy $ui_diff}
3979lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3980$ctxm add command \
3981        -label {Select All} \
3982        -font font_ui \
3983        -command {$ui_diff tag add sel 0.0 end}
3984lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3985$ctxm add command \
3986        -label {Copy All} \
3987        -font font_ui \
3988        -command {
3989                $ui_diff tag add sel 0.0 end
3990                tk_textCopy $ui_diff
3991                $ui_diff tag remove sel 0.0 end
3992        }
3993lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3994$ctxm add separator
3995$ctxm add command \
3996        -label {Decrease Font Size} \
3997        -font font_ui \
3998        -command {incr_font_size font_diff -1}
3999lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4000$ctxm add command \
4001        -label {Increase Font Size} \
4002        -font font_ui \
4003        -command {incr_font_size font_diff 1}
4004lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4005$ctxm add separator
4006$ctxm add command \
4007        -label {Show Less Context} \
4008        -font font_ui \
4009        -command {if {$repo_config(gui.diffcontext) >= 2} {
4010                incr repo_config(gui.diffcontext) -1
4011                reshow_diff
4012        }}
4013lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4014$ctxm add command \
4015        -label {Show More Context} \
4016        -font font_ui \
4017        -command {
4018                incr repo_config(gui.diffcontext)
4019                reshow_diff
4020        }
4021lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4022$ctxm add separator
4023$ctxm add command -label {Options...} \
4024        -font font_ui \
4025        -command do_options
4026bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
4027
4028# -- Status Bar
4029#
4030set ui_status_value {Initializing...}
4031label .status -textvariable ui_status_value \
4032        -anchor w \
4033        -justify left \
4034        -borderwidth 1 \
4035        -relief sunken \
4036        -font font_ui
4037pack .status -anchor w -side bottom -fill x
4038
4039# -- Load geometry
4040#
4041catch {
4042set gm $repo_config(gui.geometry)
4043wm geometry . [lindex $gm 0]
4044.vpane sash place 0 \
4045        [lindex [.vpane sash coord 0] 0] \
4046        [lindex $gm 1]
4047.vpane.files sash place 0 \
4048        [lindex $gm 2] \
4049        [lindex [.vpane.files sash coord 0] 1]
4050unset gm
4051}
4052
4053# -- Key Bindings
4054#
4055bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4056bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4057bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4058bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4059bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4060bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4061bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4062bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4063bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4064bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4065bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4066
4067bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4068bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4069bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4070bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4071bind $ui_diff <$M1B-Key-v> {break}
4072bind $ui_diff <$M1B-Key-V> {break}
4073bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4074bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4075bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4076bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4077bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4078bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4079
4080if {!$single_commit} {
4081        bind . <$M1B-Key-n> do_create_branch
4082        bind . <$M1B-Key-N> do_create_branch
4083}
4084
4085bind .   <Destroy> do_quit
4086bind all <Key-F5> do_rescan
4087bind all <$M1B-Key-r> do_rescan
4088bind all <$M1B-Key-R> do_rescan
4089bind .   <$M1B-Key-s> do_signoff
4090bind .   <$M1B-Key-S> do_signoff
4091bind .   <$M1B-Key-i> do_add_all
4092bind .   <$M1B-Key-I> do_add_all
4093bind .   <$M1B-Key-Return> do_commit
4094bind all <$M1B-Key-q> do_quit
4095bind all <$M1B-Key-Q> do_quit
4096bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4097bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4098foreach i [list $ui_index $ui_workdir] {
4099        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4100        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4101        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4102}
4103unset i
4104
4105set file_lists($ui_index) [list]
4106set file_lists($ui_workdir) [list]
4107
4108set HEAD {}
4109set PARENT {}
4110set MERGE_HEAD [list]
4111set commit_type {}
4112set empty_tree {}
4113set current_branch {}
4114set current_diff_path {}
4115set selected_commit_type new
4116
4117wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4118focus -force $ui_comm
4119
4120# -- Warn the user about environmental problems.  Cygwin's Tcl
4121#    does *not* pass its env array onto any processes it spawns.
4122#    This means that git processes get none of our environment.
4123#
4124if {[is_Windows]} {
4125        set ignored_env 0
4126        set suggest_user {}
4127        set msg "Possible environment issues exist.
4128
4129The following environment variables are probably
4130going to be ignored by any Git subprocess run
4131by [appname]:
4132
4133"
4134        foreach name [array names env] {
4135                switch -regexp -- $name {
4136                {^GIT_INDEX_FILE$} -
4137                {^GIT_OBJECT_DIRECTORY$} -
4138                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4139                {^GIT_DIFF_OPTS$} -
4140                {^GIT_EXTERNAL_DIFF$} -
4141                {^GIT_PAGER$} -
4142                {^GIT_TRACE$} -
4143                {^GIT_CONFIG$} -
4144                {^GIT_CONFIG_LOCAL$} -
4145                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4146                        append msg " - $name\n"
4147                        incr ignored_env
4148                }
4149                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4150                        append msg " - $name\n"
4151                        incr ignored_env
4152                        set suggest_user $name
4153                }
4154                }
4155        }
4156        if {$ignored_env > 0} {
4157                append msg "
4158This is due to a known issue with the
4159Tcl binary distributed by Cygwin."
4160
4161                if {$suggest_user ne {}} {
4162                        append msg "
4163
4164A good replacement for $suggest_user
4165is placing values for the user.name and
4166user.email settings into your personal
4167~/.gitconfig file.
4168"
4169                }
4170                warn_popup $msg
4171        }
4172        unset ignored_env msg suggest_user name
4173}
4174
4175# -- Only initialize complex UI if we are going to stay running.
4176#
4177if {!$single_commit} {
4178        load_all_remotes
4179        load_all_heads
4180
4181        populate_branch_menu
4182        populate_fetch_menu .mbar.fetch
4183        populate_pull_menu .mbar.pull
4184        populate_push_menu .mbar.push
4185}
4186
4187# -- Only suggest a gc run if we are going to stay running.
4188#
4189if {!$single_commit} {
4190        set object_limit 2000
4191        if {[is_Windows]} {set object_limit 200}
4192        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4193        if {$objects_current >= $object_limit} {
4194                if {[ask_popup \
4195                        "This repository currently has $objects_current loose objects.
4196
4197To maintain optimal performance it is strongly
4198recommended that you compress the database
4199when more than $object_limit loose objects exist.
4200
4201Compress the database now?"] eq yes} {
4202                        do_gc
4203                }
4204        }
4205        unset object_limit _junk objects_current
4206}
4207
4208lock_index begin-read
4209after 1 do_rescan