git-gui.shon commit git-gui: Improve the merge check interface for branch deletion. (15e1374)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GIT_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _reponame {}
  30
  31proc appname {} {
  32        global _appname
  33        return $_appname
  34}
  35
  36proc gitdir {args} {
  37        global _gitdir
  38        if {$args eq {}} {
  39                return $_gitdir
  40        }
  41        return [eval [concat [list file join $_gitdir] $args]]
  42}
  43
  44proc reponame {} {
  45        global _reponame
  46        return $_reponame
  47}
  48
  49######################################################################
  50##
  51## config
  52
  53proc is_many_config {name} {
  54        switch -glob -- $name {
  55        remote.*.fetch -
  56        remote.*.push
  57                {return 1}
  58        *
  59                {return 0}
  60        }
  61}
  62
  63proc load_config {include_global} {
  64        global repo_config global_config default_config
  65
  66        array unset global_config
  67        if {$include_global} {
  68                catch {
  69                        set fd_rc [open "| git repo-config --global --list" r]
  70                        while {[gets $fd_rc line] >= 0} {
  71                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  72                                        if {[is_many_config $name]} {
  73                                                lappend global_config($name) $value
  74                                        } else {
  75                                                set global_config($name) $value
  76                                        }
  77                                }
  78                        }
  79                        close $fd_rc
  80                }
  81        }
  82
  83        array unset repo_config
  84        catch {
  85                set fd_rc [open "| git repo-config --list" r]
  86                while {[gets $fd_rc line] >= 0} {
  87                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  88                                if {[is_many_config $name]} {
  89                                        lappend repo_config($name) $value
  90                                } else {
  91                                        set repo_config($name) $value
  92                                }
  93                        }
  94                }
  95                close $fd_rc
  96        }
  97
  98        foreach name [array names default_config] {
  99                if {[catch {set v $global_config($name)}]} {
 100                        set global_config($name) $default_config($name)
 101                }
 102                if {[catch {set v $repo_config($name)}]} {
 103                        set repo_config($name) $default_config($name)
 104                }
 105        }
 106}
 107
 108proc save_config {} {
 109        global default_config font_descs
 110        global repo_config global_config
 111        global repo_config_new global_config_new
 112
 113        foreach option $font_descs {
 114                set name [lindex $option 0]
 115                set font [lindex $option 1]
 116                font configure $font \
 117                        -family $global_config_new(gui.$font^^family) \
 118                        -size $global_config_new(gui.$font^^size)
 119                font configure ${font}bold \
 120                        -family $global_config_new(gui.$font^^family) \
 121                        -size $global_config_new(gui.$font^^size)
 122                set global_config_new(gui.$name) [font configure $font]
 123                unset global_config_new(gui.$font^^family)
 124                unset global_config_new(gui.$font^^size)
 125        }
 126
 127        foreach name [array names default_config] {
 128                set value $global_config_new($name)
 129                if {$value ne $global_config($name)} {
 130                        if {$value eq $default_config($name)} {
 131                                catch {exec git repo-config --global --unset $name}
 132                        } else {
 133                                regsub -all "\[{}\]" $value {"} value
 134                                exec git repo-config --global $name $value
 135                        }
 136                        set global_config($name) $value
 137                        if {$value eq $repo_config($name)} {
 138                                catch {exec git repo-config --unset $name}
 139                                set repo_config($name) $value
 140                        }
 141                }
 142        }
 143
 144        foreach name [array names default_config] {
 145                set value $repo_config_new($name)
 146                if {$value ne $repo_config($name)} {
 147                        if {$value eq $global_config($name)} {
 148                                catch {exec git repo-config --unset $name}
 149                        } else {
 150                                regsub -all "\[{}\]" $value {"} value
 151                                exec git repo-config $name $value
 152                        }
 153                        set repo_config($name) $value
 154                }
 155        }
 156}
 157
 158proc error_popup {msg} {
 159        set title [appname]
 160        if {[reponame] ne {}} {
 161                append title " ([reponame])"
 162        }
 163        set cmd [list tk_messageBox \
 164                -icon error \
 165                -type ok \
 166                -title "$title: error" \
 167                -message $msg]
 168        if {[winfo ismapped .]} {
 169                lappend cmd -parent .
 170        }
 171        eval $cmd
 172}
 173
 174proc warn_popup {msg} {
 175        set title [appname]
 176        if {[reponame] ne {}} {
 177                append title " ([reponame])"
 178        }
 179        set cmd [list tk_messageBox \
 180                -icon warning \
 181                -type ok \
 182                -title "$title: warning" \
 183                -message $msg]
 184        if {[winfo ismapped .]} {
 185                lappend cmd -parent .
 186        }
 187        eval $cmd
 188}
 189
 190proc info_popup {msg} {
 191        set title [appname]
 192        if {[reponame] ne {}} {
 193                append title " ([reponame])"
 194        }
 195        tk_messageBox \
 196                -parent . \
 197                -icon info \
 198                -type ok \
 199                -title $title \
 200                -message $msg
 201}
 202
 203proc ask_popup {msg} {
 204        set title [appname]
 205        if {[reponame] ne {}} {
 206                append title " ([reponame])"
 207        }
 208        return [tk_messageBox \
 209                -parent . \
 210                -icon question \
 211                -type yesno \
 212                -title $title \
 213                -message $msg]
 214}
 215
 216######################################################################
 217##
 218## repository setup
 219
 220if {   [catch {set _gitdir $env(GIT_DIR)}]
 221        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 222        catch {wm withdraw .}
 223        error_popup "Cannot find the git directory:\n\n$err"
 224        exit 1
 225}
 226if {![file isdirectory $_gitdir]} {
 227        catch {wm withdraw .}
 228        error_popup "Git directory not found:\n\n$_gitdir"
 229        exit 1
 230}
 231if {[lindex [file split $_gitdir] end] ne {.git}} {
 232        catch {wm withdraw .}
 233        error_popup "Cannot use funny .git directory:\n\n$gitdir"
 234        exit 1
 235}
 236if {[catch {cd [file dirname $_gitdir]} err]} {
 237        catch {wm withdraw .}
 238        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 239        exit 1
 240}
 241set _reponame [lindex [file split \
 242        [file normalize [file dirname $_gitdir]]] \
 243        end]
 244
 245set single_commit 0
 246if {[appname] eq {git-citool}} {
 247        set single_commit 1
 248}
 249
 250######################################################################
 251##
 252## task management
 253
 254set rescan_active 0
 255set diff_active 0
 256set last_clicked {}
 257
 258set disable_on_lock [list]
 259set index_lock_type none
 260
 261proc lock_index {type} {
 262        global index_lock_type disable_on_lock
 263
 264        if {$index_lock_type eq {none}} {
 265                set index_lock_type $type
 266                foreach w $disable_on_lock {
 267                        uplevel #0 $w disabled
 268                }
 269                return 1
 270        } elseif {$index_lock_type eq "begin-$type"} {
 271                set index_lock_type $type
 272                return 1
 273        }
 274        return 0
 275}
 276
 277proc unlock_index {} {
 278        global index_lock_type disable_on_lock
 279
 280        set index_lock_type none
 281        foreach w $disable_on_lock {
 282                uplevel #0 $w normal
 283        }
 284}
 285
 286######################################################################
 287##
 288## status
 289
 290proc repository_state {ctvar hdvar mhvar} {
 291        global current_branch
 292        upvar $ctvar ct $hdvar hd $mhvar mh
 293
 294        set mh [list]
 295
 296        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 297                set current_branch {}
 298        } else {
 299                regsub ^refs/((heads|tags|remotes)/)? \
 300                        $current_branch \
 301                        {} \
 302                        current_branch
 303        }
 304
 305        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 306                set hd {}
 307                set ct initial
 308                return
 309        }
 310
 311        set merge_head [gitdir MERGE_HEAD]
 312        if {[file exists $merge_head]} {
 313                set ct merge
 314                set fd_mh [open $merge_head r]
 315                while {[gets $fd_mh line] >= 0} {
 316                        lappend mh $line
 317                }
 318                close $fd_mh
 319                return
 320        }
 321
 322        set ct normal
 323}
 324
 325proc PARENT {} {
 326        global PARENT empty_tree
 327
 328        set p [lindex $PARENT 0]
 329        if {$p ne {}} {
 330                return $p
 331        }
 332        if {$empty_tree eq {}} {
 333                set empty_tree [exec git mktree << {}]
 334        }
 335        return $empty_tree
 336}
 337
 338proc rescan {after} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$rescan_active > 0 || ![lock_index read]} return
 345
 346        repository_state newType newHEAD newMERGE_HEAD
 347        if {[string match amend* $commit_type]
 348                && $newType eq {normal}
 349                && $newHEAD eq $HEAD} {
 350        } else {
 351                set HEAD $newHEAD
 352                set PARENT $newHEAD
 353                set MERGE_HEAD $newMERGE_HEAD
 354                set commit_type $newType
 355        }
 356
 357        array unset file_states
 358
 359        if {![$ui_comm edit modified]
 360                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                if {[load_message GITGUI_MSG]} {
 362                } elseif {[load_message MERGE_MSG]} {
 363                } elseif {[load_message SQUASH_MSG]} {
 364                }
 365                $ui_comm edit reset
 366                $ui_comm edit modified false
 367        }
 368
 369        if {$repo_config(gui.trustmtime) eq {true}} {
 370                rescan_stage2 {} $after
 371        } else {
 372                set rescan_active 1
 373                set ui_status_value {Refreshing file status...}
 374                set cmd [list git update-index]
 375                lappend cmd -q
 376                lappend cmd --unmerged
 377                lappend cmd --ignore-missing
 378                lappend cmd --refresh
 379                set fd_rf [open "| $cmd" r]
 380                fconfigure $fd_rf -blocking 0 -translation binary
 381                fileevent $fd_rf readable \
 382                        [list rescan_stage2 $fd_rf $after]
 383        }
 384}
 385
 386proc rescan_stage2 {fd after} {
 387        global ui_status_value
 388        global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390        if {$fd ne {}} {
 391                read $fd
 392                if {![eof $fd]} return
 393                close $fd
 394        }
 395
 396        set ls_others [list | git ls-files --others -z \
 397                --exclude-per-directory=.gitignore]
 398        set info_exclude [gitdir info exclude]
 399        if {[file readable $info_exclude]} {
 400                lappend ls_others "--exclude-from=$info_exclude"
 401        }
 402
 403        set buf_rdi {}
 404        set buf_rdf {}
 405        set buf_rlo {}
 406
 407        set rescan_active 3
 408        set ui_status_value {Scanning for modified files ...}
 409        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410        set fd_df [open "| git diff-files -z" r]
 411        set fd_lo [open $ls_others r]
 412
 413        fconfigure $fd_di -blocking 0 -translation binary
 414        fconfigure $fd_df -blocking 0 -translation binary
 415        fconfigure $fd_lo -blocking 0 -translation binary
 416        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 417        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 418        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 419}
 420
 421proc load_message {file} {
 422        global ui_comm
 423
 424        set f [gitdir $file]
 425        if {[file isfile $f]} {
 426                if {[catch {set fd [open $f r]}]} {
 427                        return 0
 428                }
 429                set content [string trim [read $fd]]
 430                close $fd
 431                $ui_comm delete 0.0 end
 432                $ui_comm insert end $content
 433                return 1
 434        }
 435        return 0
 436}
 437
 438proc read_diff_index {fd after} {
 439        global buf_rdi
 440
 441        append buf_rdi [read $fd]
 442        set c 0
 443        set n [string length $buf_rdi]
 444        while {$c < $n} {
 445                set z1 [string first "\0" $buf_rdi $c]
 446                if {$z1 == -1} break
 447                incr z1
 448                set z2 [string first "\0" $buf_rdi $z1]
 449                if {$z2 == -1} break
 450
 451                incr c
 452                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 453                merge_state \
 454                        [string range $buf_rdi $z1 [expr {$z2 - 1}]] \
 455                        [lindex $i 4]? \
 456                        [list [lindex $i 0] [lindex $i 2]] \
 457                        [list]
 458                set c $z2
 459                incr c
 460        }
 461        if {$c < $n} {
 462                set buf_rdi [string range $buf_rdi $c end]
 463        } else {
 464                set buf_rdi {}
 465        }
 466
 467        rescan_done $fd buf_rdi $after
 468}
 469
 470proc read_diff_files {fd after} {
 471        global buf_rdf
 472
 473        append buf_rdf [read $fd]
 474        set c 0
 475        set n [string length $buf_rdf]
 476        while {$c < $n} {
 477                set z1 [string first "\0" $buf_rdf $c]
 478                if {$z1 == -1} break
 479                incr z1
 480                set z2 [string first "\0" $buf_rdf $z1]
 481                if {$z2 == -1} break
 482
 483                incr c
 484                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 485                merge_state \
 486                        [string range $buf_rdf $z1 [expr {$z2 - 1}]] \
 487                        ?[lindex $i 4] \
 488                        [list] \
 489                        [list [lindex $i 0] [lindex $i 2]]
 490                set c $z2
 491                incr c
 492        }
 493        if {$c < $n} {
 494                set buf_rdf [string range $buf_rdf $c end]
 495        } else {
 496                set buf_rdf {}
 497        }
 498
 499        rescan_done $fd buf_rdf $after
 500}
 501
 502proc read_ls_others {fd after} {
 503        global buf_rlo
 504
 505        append buf_rlo [read $fd]
 506        set pck [split $buf_rlo "\0"]
 507        set buf_rlo [lindex $pck end]
 508        foreach p [lrange $pck 0 end-1] {
 509                merge_state $p ?O
 510        }
 511        rescan_done $fd buf_rlo $after
 512}
 513
 514proc rescan_done {fd buf after} {
 515        global rescan_active
 516        global file_states repo_config
 517        upvar $buf to_clear
 518
 519        if {![eof $fd]} return
 520        set to_clear {}
 521        close $fd
 522        if {[incr rescan_active -1] > 0} return
 523
 524        prune_selection
 525        unlock_index
 526        display_all_files
 527        reshow_diff
 528        uplevel #0 $after
 529}
 530
 531proc prune_selection {} {
 532        global file_states selected_paths
 533
 534        foreach path [array names selected_paths] {
 535                if {[catch {set still_here $file_states($path)}]} {
 536                        unset selected_paths($path)
 537                }
 538        }
 539}
 540
 541######################################################################
 542##
 543## diff
 544
 545proc clear_diff {} {
 546        global ui_diff current_diff_path ui_index ui_workdir
 547
 548        $ui_diff conf -state normal
 549        $ui_diff delete 0.0 end
 550        $ui_diff conf -state disabled
 551
 552        set current_diff_path {}
 553
 554        $ui_index tag remove in_diff 0.0 end
 555        $ui_workdir tag remove in_diff 0.0 end
 556}
 557
 558proc reshow_diff {} {
 559        global ui_status_value file_states file_lists
 560        global current_diff_path current_diff_side
 561
 562        set p $current_diff_path
 563        if {$p eq {}
 564                || $current_diff_side eq {}
 565                || [catch {set s $file_states($p)}]
 566                || [lsearch -sorted $file_lists($current_diff_side) $p] == -1} {
 567                clear_diff
 568        } else {
 569                show_diff $p $current_diff_side
 570        }
 571}
 572
 573proc handle_empty_diff {} {
 574        global current_diff_path file_states file_lists
 575
 576        set path $current_diff_path
 577        set s $file_states($path)
 578        if {[lindex $s 0] ne {_M}} return
 579
 580        info_popup "No differences detected.
 581
 582[short_path $path] has no changes.
 583
 584The modification date of this file was updated
 585by another application and you currently have
 586the Trust File Modification Timestamps option
 587enabled, so Git did not automatically detect
 588that there are no content differences in this
 589file.
 590
 591This file will now be removed from the modified
 592files list, to prevent possible confusion.
 593"
 594        if {[catch {exec git update-index -- $path} err]} {
 595                error_popup "Failed to refresh index:\n\n$err"
 596        }
 597
 598        clear_diff
 599        display_file $path __
 600}
 601
 602proc show_diff {path w {lno {}}} {
 603        global file_states file_lists
 604        global is_3way_diff diff_active repo_config
 605        global ui_diff ui_status_value ui_index ui_workdir
 606        global current_diff_path current_diff_side
 607
 608        if {$diff_active || ![lock_index read]} return
 609
 610        clear_diff
 611        if {$w eq {} || $lno == {}} {
 612                foreach w [array names file_lists] {
 613                        set lno [lsearch -sorted $file_lists($w) $path]
 614                        if {$lno >= 0} {
 615                                incr lno
 616                                break
 617                        }
 618                }
 619        }
 620        if {$w ne {} && $lno >= 1} {
 621                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 622        }
 623
 624        set s $file_states($path)
 625        set m [lindex $s 0]
 626        set is_3way_diff 0
 627        set diff_active 1
 628        set current_diff_path $path
 629        set current_diff_side $w
 630        set ui_status_value "Loading diff of [escape_path $path]..."
 631
 632        # - Git won't give us the diff, there's nothing to compare to!
 633        #
 634        if {$m eq {_O}} {
 635                if {[catch {
 636                                set fd [open $path r]
 637                                set content [read $fd]
 638                                close $fd
 639                        } err ]} {
 640                        set diff_active 0
 641                        unlock_index
 642                        set ui_status_value "Unable to display [escape_path $path]"
 643                        error_popup "Error loading file:\n\n$err"
 644                        return
 645                }
 646                $ui_diff conf -state normal
 647                $ui_diff insert end $content
 648                $ui_diff conf -state disabled
 649                set diff_active 0
 650                unlock_index
 651                set ui_status_value {Ready.}
 652                return
 653        }
 654
 655        set cmd [list | git]
 656        if {$w eq $ui_index} {
 657                lappend cmd diff-index
 658                lappend cmd --cached
 659        } elseif {$w eq $ui_workdir} {
 660                if {[string index $m 0] eq {U}} {
 661                        lappend cmd diff
 662                } else {
 663                        lappend cmd diff-files
 664                }
 665        }
 666
 667        lappend cmd -p
 668        lappend cmd --no-color
 669        if {$repo_config(gui.diffcontext) > 0} {
 670                lappend cmd "-U$repo_config(gui.diffcontext)"
 671        }
 672        if {$w eq $ui_index} {
 673                lappend cmd [PARENT]
 674        }
 675        lappend cmd --
 676        lappend cmd $path
 677
 678        if {[catch {set fd [open $cmd r]} err]} {
 679                set diff_active 0
 680                unlock_index
 681                set ui_status_value "Unable to display [escape_path $path]"
 682                error_popup "Error loading diff:\n\n$err"
 683                return
 684        }
 685
 686        fconfigure $fd -blocking 0 -translation auto
 687        fileevent $fd readable [list read_diff $fd]
 688}
 689
 690proc read_diff {fd} {
 691        global ui_diff ui_status_value is_3way_diff diff_active
 692        global repo_config
 693
 694        $ui_diff conf -state normal
 695        while {[gets $fd line] >= 0} {
 696                # -- Cleanup uninteresting diff header lines.
 697                #
 698                if {[string match {diff --git *}      $line]} continue
 699                if {[string match {diff --cc *}       $line]} continue
 700                if {[string match {diff --combined *} $line]} continue
 701                if {[string match {--- *}             $line]} continue
 702                if {[string match {+++ *}             $line]} continue
 703                if {$line eq {deleted file mode 120000}} {
 704                        set line "deleted symlink"
 705                }
 706
 707                # -- Automatically detect if this is a 3 way diff.
 708                #
 709                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 710
 711                if {[string match {index *} $line]} {
 712                        set tags {}
 713                } elseif {$is_3way_diff} {
 714                        set op [string range $line 0 1]
 715                        switch -- $op {
 716                        {  } {set tags {}}
 717                        {@@} {set tags d_@}
 718                        { +} {set tags d_s+}
 719                        { -} {set tags d_s-}
 720                        {+ } {set tags d_+s}
 721                        {- } {set tags d_-s}
 722                        {--} {set tags d_--}
 723                        {++} {
 724                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 725                                        set line [string replace $line 0 1 {  }]
 726                                        set tags d$op
 727                                } else {
 728                                        set tags d_++
 729                                }
 730                        }
 731                        default {
 732                                puts "error: Unhandled 3 way diff marker: {$op}"
 733                                set tags {}
 734                        }
 735                        }
 736                } else {
 737                        set op [string index $line 0]
 738                        switch -- $op {
 739                        { } {set tags {}}
 740                        {@} {set tags d_@}
 741                        {-} {set tags d_-}
 742                        {+} {
 743                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 744                                        set line [string replace $line 0 0 { }]
 745                                        set tags d$op
 746                                } else {
 747                                        set tags d_+
 748                                }
 749                        }
 750                        default {
 751                                puts "error: Unhandled 2 way diff marker: {$op}"
 752                                set tags {}
 753                        }
 754                        }
 755                }
 756                $ui_diff insert end $line $tags
 757                $ui_diff insert end "\n" $tags
 758        }
 759        $ui_diff conf -state disabled
 760
 761        if {[eof $fd]} {
 762                close $fd
 763                set diff_active 0
 764                unlock_index
 765                set ui_status_value {Ready.}
 766
 767                if {$repo_config(gui.trustmtime) eq {true}
 768                        && [$ui_diff index end] eq {2.0}} {
 769                        handle_empty_diff
 770                }
 771        }
 772}
 773
 774######################################################################
 775##
 776## commit
 777
 778proc load_last_commit {} {
 779        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 780
 781        if {[llength $PARENT] == 0} {
 782                error_popup {There is nothing to amend.
 783
 784You are about to create the initial commit.
 785There is no commit before this to amend.
 786}
 787                return
 788        }
 789
 790        repository_state curType curHEAD curMERGE_HEAD
 791        if {$curType eq {merge}} {
 792                error_popup {Cannot amend while merging.
 793
 794You are currently in the middle of a merge that
 795has not been fully completed.  You cannot amend
 796the prior commit unless you first abort the
 797current merge activity.
 798}
 799                return
 800        }
 801
 802        set msg {}
 803        set parents [list]
 804        if {[catch {
 805                        set fd [open "| git cat-file commit $curHEAD" r]
 806                        while {[gets $fd line] > 0} {
 807                                if {[string match {parent *} $line]} {
 808                                        lappend parents [string range $line 7 end]
 809                                }
 810                        }
 811                        set msg [string trim [read $fd]]
 812                        close $fd
 813                } err]} {
 814                error_popup "Error loading commit data for amend:\n\n$err"
 815                return
 816        }
 817
 818        set HEAD $curHEAD
 819        set PARENT $parents
 820        set MERGE_HEAD [list]
 821        switch -- [llength $parents] {
 822        0       {set commit_type amend-initial}
 823        1       {set commit_type amend}
 824        default {set commit_type amend-merge}
 825        }
 826
 827        $ui_comm delete 0.0 end
 828        $ui_comm insert end $msg
 829        $ui_comm edit reset
 830        $ui_comm edit modified false
 831        rescan {set ui_status_value {Ready.}}
 832}
 833
 834proc create_new_commit {} {
 835        global commit_type ui_comm
 836
 837        set commit_type normal
 838        $ui_comm delete 0.0 end
 839        $ui_comm edit reset
 840        $ui_comm edit modified false
 841        rescan {set ui_status_value {Ready.}}
 842}
 843
 844set GIT_COMMITTER_IDENT {}
 845
 846proc committer_ident {} {
 847        global GIT_COMMITTER_IDENT
 848
 849        if {$GIT_COMMITTER_IDENT eq {}} {
 850                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 851                        error_popup "Unable to obtain your identity:\n\n$err"
 852                        return {}
 853                }
 854                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 855                        $me me GIT_COMMITTER_IDENT]} {
 856                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 857                        return {}
 858                }
 859        }
 860
 861        return $GIT_COMMITTER_IDENT
 862}
 863
 864proc commit_tree {} {
 865        global HEAD commit_type file_states ui_comm repo_config
 866        global ui_status_value pch_error
 867
 868        if {![lock_index update]} return
 869        if {[committer_ident] eq {}} return
 870
 871        # -- Our in memory state should match the repository.
 872        #
 873        repository_state curType curHEAD curMERGE_HEAD
 874        if {[string match amend* $commit_type]
 875                && $curType eq {normal}
 876                && $curHEAD eq $HEAD} {
 877        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 878                info_popup {Last scanned state does not match repository state.
 879
 880Another Git program has modified this repository
 881since the last scan.  A rescan must be performed
 882before another commit can be created.
 883
 884The rescan will be automatically started now.
 885}
 886                unlock_index
 887                rescan {set ui_status_value {Ready.}}
 888                return
 889        }
 890
 891        # -- At least one file should differ in the index.
 892        #
 893        set files_ready 0
 894        foreach path [array names file_states] {
 895                switch -glob -- [lindex $file_states($path) 0] {
 896                _? {continue}
 897                A? -
 898                D? -
 899                M? {set files_ready 1}
 900                U? {
 901                        error_popup "Unmerged files cannot be committed.
 902
 903File [short_path $path] has merge conflicts.
 904You must resolve them and add the file before committing.
 905"
 906                        unlock_index
 907                        return
 908                }
 909                default {
 910                        error_popup "Unknown file state [lindex $s 0] detected.
 911
 912File [short_path $path] cannot be committed by this program.
 913"
 914                }
 915                }
 916        }
 917        if {!$files_ready} {
 918                error_popup {No changes to commit.
 919
 920You must add at least 1 file before you can commit.
 921}
 922                unlock_index
 923                return
 924        }
 925
 926        # -- A message is required.
 927        #
 928        set msg [string trim [$ui_comm get 1.0 end]]
 929        if {$msg eq {}} {
 930                error_popup {Please supply a commit message.
 931
 932A good commit message has the following format:
 933
 934- First line: Describe in one sentance what you did.
 935- Second line: Blank
 936- Remaining lines: Describe why this change is good.
 937}
 938                unlock_index
 939                return
 940        }
 941
 942        # -- Run the pre-commit hook.
 943        #
 944        set pchook [gitdir hooks pre-commit]
 945
 946        # On Cygwin [file executable] might lie so we need to ask
 947        # the shell if the hook is executable.  Yes that's annoying.
 948        #
 949        if {[is_Windows] && [file isfile $pchook]} {
 950                set pchook [list sh -c [concat \
 951                        "if test -x \"$pchook\";" \
 952                        "then exec \"$pchook\" 2>&1;" \
 953                        "fi"]]
 954        } elseif {[file executable $pchook]} {
 955                set pchook [list $pchook |& cat]
 956        } else {
 957                commit_writetree $curHEAD $msg
 958                return
 959        }
 960
 961        set ui_status_value {Calling pre-commit hook...}
 962        set pch_error {}
 963        set fd_ph [open "| $pchook" r]
 964        fconfigure $fd_ph -blocking 0 -translation binary
 965        fileevent $fd_ph readable \
 966                [list commit_prehook_wait $fd_ph $curHEAD $msg]
 967}
 968
 969proc commit_prehook_wait {fd_ph curHEAD msg} {
 970        global pch_error ui_status_value
 971
 972        append pch_error [read $fd_ph]
 973        fconfigure $fd_ph -blocking 1
 974        if {[eof $fd_ph]} {
 975                if {[catch {close $fd_ph}]} {
 976                        set ui_status_value {Commit declined by pre-commit hook.}
 977                        hook_failed_popup pre-commit $pch_error
 978                        unlock_index
 979                } else {
 980                        commit_writetree $curHEAD $msg
 981                }
 982                set pch_error {}
 983                return
 984        }
 985        fconfigure $fd_ph -blocking 0
 986}
 987
 988proc commit_writetree {curHEAD msg} {
 989        global ui_status_value
 990
 991        set ui_status_value {Committing changes...}
 992        set fd_wt [open "| git write-tree" r]
 993        fileevent $fd_wt readable \
 994                [list commit_committree $fd_wt $curHEAD $msg]
 995}
 996
 997proc commit_committree {fd_wt curHEAD msg} {
 998        global HEAD PARENT MERGE_HEAD commit_type
 999        global single_commit
1000        global ui_status_value ui_comm selected_commit_type
1001        global file_states selected_paths rescan_active
1002
1003        gets $fd_wt tree_id
1004        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1005                error_popup "write-tree failed:\n\n$err"
1006                set ui_status_value {Commit failed.}
1007                unlock_index
1008                return
1009        }
1010
1011        # -- Create the commit.
1012        #
1013        set cmd [list git commit-tree $tree_id]
1014        set parents [concat $PARENT $MERGE_HEAD]
1015        if {[llength $parents] > 0} {
1016                foreach p $parents {
1017                        lappend cmd -p $p
1018                }
1019        } else {
1020                # git commit-tree writes to stderr during initial commit.
1021                lappend cmd 2>/dev/null
1022        }
1023        lappend cmd << $msg
1024        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1025                error_popup "commit-tree failed:\n\n$err"
1026                set ui_status_value {Commit failed.}
1027                unlock_index
1028                return
1029        }
1030
1031        # -- Update the HEAD ref.
1032        #
1033        set reflogm commit
1034        if {$commit_type ne {normal}} {
1035                append reflogm " ($commit_type)"
1036        }
1037        set i [string first "\n" $msg]
1038        if {$i >= 0} {
1039                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1040        } else {
1041                append reflogm {: } $msg
1042        }
1043        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1044        if {[catch {eval exec $cmd} err]} {
1045                error_popup "update-ref failed:\n\n$err"
1046                set ui_status_value {Commit failed.}
1047                unlock_index
1048                return
1049        }
1050
1051        # -- Cleanup after ourselves.
1052        #
1053        catch {file delete [gitdir MERGE_HEAD]}
1054        catch {file delete [gitdir MERGE_MSG]}
1055        catch {file delete [gitdir SQUASH_MSG]}
1056        catch {file delete [gitdir GITGUI_MSG]}
1057
1058        # -- Let rerere do its thing.
1059        #
1060        if {[file isdirectory [gitdir rr-cache]]} {
1061                catch {exec git rerere}
1062        }
1063
1064        # -- Run the post-commit hook.
1065        #
1066        set pchook [gitdir hooks post-commit]
1067        if {[is_Windows] && [file isfile $pchook]} {
1068                set pchook [list sh -c [concat \
1069                        "if test -x \"$pchook\";" \
1070                        "then exec \"$pchook\";" \
1071                        "fi"]]
1072        } elseif {![file executable $pchook]} {
1073                set pchook {}
1074        }
1075        if {$pchook ne {}} {
1076                catch {exec $pchook &}
1077        }
1078
1079        $ui_comm delete 0.0 end
1080        $ui_comm edit reset
1081        $ui_comm edit modified false
1082
1083        if {$single_commit} do_quit
1084
1085        # -- Update in memory status
1086        #
1087        set selected_commit_type new
1088        set commit_type normal
1089        set HEAD $cmt_id
1090        set PARENT $cmt_id
1091        set MERGE_HEAD [list]
1092
1093        foreach path [array names file_states] {
1094                set s $file_states($path)
1095                set m [lindex $s 0]
1096                switch -glob -- $m {
1097                _O -
1098                _M -
1099                _D {continue}
1100                __ -
1101                A_ -
1102                M_ -
1103                D_ {
1104                        unset file_states($path)
1105                        catch {unset selected_paths($path)}
1106                }
1107                DO {
1108                        set file_states($path) [list _O [lindex $s 1] {} {}]
1109                }
1110                AM -
1111                AD -
1112                MM -
1113                MD {
1114                        set file_states($path) [list \
1115                                _[string index $m 1] \
1116                                [lindex $s 1] \
1117                                [lindex $s 3] \
1118                                {}]
1119                }
1120                }
1121        }
1122
1123        display_all_files
1124        unlock_index
1125        reshow_diff
1126        set ui_status_value \
1127                "Changes committed as [string range $cmt_id 0 7]."
1128}
1129
1130######################################################################
1131##
1132## fetch pull push
1133
1134proc fetch_from {remote} {
1135        set w [new_console "fetch $remote" \
1136                "Fetching new changes from $remote"]
1137        set cmd [list git fetch]
1138        lappend cmd $remote
1139        console_exec $w $cmd
1140}
1141
1142proc pull_remote {remote branch} {
1143        global HEAD commit_type file_states repo_config
1144
1145        if {![lock_index update]} return
1146
1147        # -- Our in memory state should match the repository.
1148        #
1149        repository_state curType curHEAD curMERGE_HEAD
1150        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1151                info_popup {Last scanned state does not match repository state.
1152
1153Another Git program has modified this repository
1154since the last scan.  A rescan must be performed
1155before a pull operation can be started.
1156
1157The rescan will be automatically started now.
1158}
1159                unlock_index
1160                rescan {set ui_status_value {Ready.}}
1161                return
1162        }
1163
1164        # -- No differences should exist before a pull.
1165        #
1166        if {[array size file_states] != 0} {
1167                error_popup {Uncommitted but modified files are present.
1168
1169You should not perform a pull with unmodified
1170files in your working directory as Git will be
1171unable to recover from an incorrect merge.
1172
1173You should commit or revert all changes before
1174starting a pull operation.
1175}
1176                unlock_index
1177                return
1178        }
1179
1180        set w [new_console "pull $remote $branch" \
1181                "Pulling new changes from branch $branch in $remote"]
1182        set cmd [list git pull]
1183        if {$repo_config(gui.pullsummary) eq {false}} {
1184                lappend cmd --no-summary
1185        }
1186        lappend cmd $remote
1187        lappend cmd $branch
1188        console_exec $w $cmd [list post_pull_remote $remote $branch]
1189}
1190
1191proc post_pull_remote {remote branch success} {
1192        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1193        global ui_status_value
1194
1195        unlock_index
1196        if {$success} {
1197                repository_state commit_type HEAD MERGE_HEAD
1198                set PARENT $HEAD
1199                set selected_commit_type new
1200                set ui_status_value "Pulling $branch from $remote complete."
1201        } else {
1202                rescan [list set ui_status_value \
1203                        "Conflicts detected while pulling $branch from $remote."]
1204        }
1205}
1206
1207proc push_to {remote} {
1208        set w [new_console "push $remote" \
1209                "Pushing changes to $remote"]
1210        set cmd [list git push]
1211        lappend cmd $remote
1212        console_exec $w $cmd
1213}
1214
1215######################################################################
1216##
1217## ui helpers
1218
1219proc mapicon {w state path} {
1220        global all_icons
1221
1222        if {[catch {set r $all_icons($state$w)}]} {
1223                puts "error: no icon for $w state={$state} $path"
1224                return file_plain
1225        }
1226        return $r
1227}
1228
1229proc mapdesc {state path} {
1230        global all_descs
1231
1232        if {[catch {set r $all_descs($state)}]} {
1233                puts "error: no desc for state={$state} $path"
1234                return $state
1235        }
1236        return $r
1237}
1238
1239proc escape_path {path} {
1240        regsub -all "\n" $path "\\n" path
1241        return $path
1242}
1243
1244proc short_path {path} {
1245        return [escape_path [lindex [file split $path] end]]
1246}
1247
1248set next_icon_id 0
1249set null_sha1 [string repeat 0 40]
1250
1251proc merge_state {path new_state {head_info {}} {index_info {}}} {
1252        global file_states next_icon_id null_sha1
1253
1254        set s0 [string index $new_state 0]
1255        set s1 [string index $new_state 1]
1256
1257        if {[catch {set info $file_states($path)}]} {
1258                set state __
1259                set icon n[incr next_icon_id]
1260        } else {
1261                set state [lindex $info 0]
1262                set icon [lindex $info 1]
1263                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1264                if {$index_info eq {}} {set index_info [lindex $info 3]}
1265        }
1266
1267        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1268        elseif {$s0 eq {_}} {set s0 _}
1269
1270        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1271        elseif {$s1 eq {_}} {set s1 _}
1272
1273        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1274                set head_info [list 0 $null_sha1]
1275        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1276                && $head_info eq {}} {
1277                set head_info $index_info
1278        }
1279
1280        set file_states($path) [list $s0$s1 $icon \
1281                $head_info $index_info \
1282                ]
1283        return $state
1284}
1285
1286proc display_file_helper {w path icon_name old_m new_m} {
1287        global file_lists
1288
1289        if {$new_m eq {_}} {
1290                set lno [lsearch -sorted $file_lists($w) $path]
1291                if {$lno >= 0} {
1292                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1293                        incr lno
1294                        $w conf -state normal
1295                        $w delete $lno.0 [expr {$lno + 1}].0
1296                        $w conf -state disabled
1297                }
1298        } elseif {$old_m eq {_} && $new_m ne {_}} {
1299                lappend file_lists($w) $path
1300                set file_lists($w) [lsort -unique $file_lists($w)]
1301                set lno [lsearch -sorted $file_lists($w) $path]
1302                incr lno
1303                $w conf -state normal
1304                $w image create $lno.0 \
1305                        -align center -padx 5 -pady 1 \
1306                        -name $icon_name \
1307                        -image [mapicon $w $new_m $path]
1308                $w insert $lno.1 "[escape_path $path]\n"
1309                $w conf -state disabled
1310        } elseif {$old_m ne $new_m} {
1311                $w conf -state normal
1312                $w image conf $icon_name -image [mapicon $w $new_m $path]
1313                $w conf -state disabled
1314        }
1315}
1316
1317proc display_file {path state} {
1318        global file_states selected_paths
1319        global ui_index ui_workdir
1320
1321        set old_m [merge_state $path $state]
1322        set s $file_states($path)
1323        set new_m [lindex $s 0]
1324        set icon_name [lindex $s 1]
1325
1326        set o [string index $old_m 0]
1327        set n [string index $new_m 0]
1328        if {$o eq {U}} {
1329                set o _
1330        }
1331        if {$n eq {U}} {
1332                set n _
1333        }
1334        display_file_helper     $ui_index $path $icon_name $o $n
1335
1336        if {[string index $old_m 0] eq {U}} {
1337                set o U
1338        } else {
1339                set o [string index $old_m 1]
1340        }
1341        if {[string index $new_m 0] eq {U}} {
1342                set n U
1343        } else {
1344                set n [string index $new_m 1]
1345        }
1346        display_file_helper     $ui_workdir $path $icon_name $o $n
1347
1348        if {$new_m eq {__}} {
1349                unset file_states($path)
1350                catch {unset selected_paths($path)}
1351        }
1352}
1353
1354proc display_all_files_helper {w path icon_name m} {
1355        global file_lists
1356
1357        lappend file_lists($w) $path
1358        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1359        $w image create end \
1360                -align center -padx 5 -pady 1 \
1361                -name $icon_name \
1362                -image [mapicon $w $m $path]
1363        $w insert end "[escape_path $path]\n"
1364}
1365
1366proc display_all_files {} {
1367        global ui_index ui_workdir
1368        global file_states file_lists
1369        global last_clicked
1370
1371        $ui_index conf -state normal
1372        $ui_workdir conf -state normal
1373
1374        $ui_index delete 0.0 end
1375        $ui_workdir delete 0.0 end
1376        set last_clicked {}
1377
1378        set file_lists($ui_index) [list]
1379        set file_lists($ui_workdir) [list]
1380
1381        foreach path [lsort [array names file_states]] {
1382                set s $file_states($path)
1383                set m [lindex $s 0]
1384                set icon_name [lindex $s 1]
1385
1386                set s [string index $m 0]
1387                if {$s ne {U} && $s ne {_}} {
1388                        display_all_files_helper $ui_index $path \
1389                                $icon_name $s
1390                }
1391
1392                if {[string index $m 0] eq {U}} {
1393                        set s U
1394                } else {
1395                        set s [string index $m 1]
1396                }
1397                if {$s ne {_}} {
1398                        display_all_files_helper $ui_workdir $path \
1399                                $icon_name $s
1400                }
1401        }
1402
1403        $ui_index conf -state disabled
1404        $ui_workdir conf -state disabled
1405}
1406
1407proc update_indexinfo {msg pathList after} {
1408        global update_index_cp ui_status_value
1409
1410        if {![lock_index update]} return
1411
1412        set update_index_cp 0
1413        set pathList [lsort $pathList]
1414        set totalCnt [llength $pathList]
1415        set batch [expr {int($totalCnt * .01) + 1}]
1416        if {$batch > 25} {set batch 25}
1417
1418        set ui_status_value [format \
1419                "$msg... %i/%i files (%.2f%%)" \
1420                $update_index_cp \
1421                $totalCnt \
1422                0.0]
1423        set fd [open "| git update-index -z --index-info" w]
1424        fconfigure $fd \
1425                -blocking 0 \
1426                -buffering full \
1427                -buffersize 512 \
1428                -translation binary
1429        fileevent $fd writable [list \
1430                write_update_indexinfo \
1431                $fd \
1432                $pathList \
1433                $totalCnt \
1434                $batch \
1435                $msg \
1436                $after \
1437                ]
1438}
1439
1440proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1441        global update_index_cp ui_status_value
1442        global file_states current_diff_path
1443
1444        if {$update_index_cp >= $totalCnt} {
1445                close $fd
1446                unlock_index
1447                uplevel #0 $after
1448                return
1449        }
1450
1451        for {set i $batch} \
1452                {$update_index_cp < $totalCnt && $i > 0} \
1453                {incr i -1} {
1454                set path [lindex $pathList $update_index_cp]
1455                incr update_index_cp
1456
1457                set s $file_states($path)
1458                switch -glob -- [lindex $s 0] {
1459                A? {set new _O}
1460                M? {set new _M}
1461                D_ {set new _D}
1462                D? {set new _?}
1463                ?? {continue}
1464                }
1465                set info [lindex $s 2]
1466                if {$info eq {}} continue
1467
1468                puts -nonewline $fd "$info\t$path\0"
1469                display_file $path $new
1470        }
1471
1472        set ui_status_value [format \
1473                "$msg... %i/%i files (%.2f%%)" \
1474                $update_index_cp \
1475                $totalCnt \
1476                [expr {100.0 * $update_index_cp / $totalCnt}]]
1477}
1478
1479proc update_index {msg pathList after} {
1480        global update_index_cp ui_status_value
1481
1482        if {![lock_index update]} return
1483
1484        set update_index_cp 0
1485        set pathList [lsort $pathList]
1486        set totalCnt [llength $pathList]
1487        set batch [expr {int($totalCnt * .01) + 1}]
1488        if {$batch > 25} {set batch 25}
1489
1490        set ui_status_value [format \
1491                "$msg... %i/%i files (%.2f%%)" \
1492                $update_index_cp \
1493                $totalCnt \
1494                0.0]
1495        set fd [open "| git update-index --add --remove -z --stdin" w]
1496        fconfigure $fd \
1497                -blocking 0 \
1498                -buffering full \
1499                -buffersize 512 \
1500                -translation binary
1501        fileevent $fd writable [list \
1502                write_update_index \
1503                $fd \
1504                $pathList \
1505                $totalCnt \
1506                $batch \
1507                $msg \
1508                $after \
1509                ]
1510}
1511
1512proc write_update_index {fd pathList totalCnt batch msg after} {
1513        global update_index_cp ui_status_value
1514        global file_states current_diff_path
1515
1516        if {$update_index_cp >= $totalCnt} {
1517                close $fd
1518                unlock_index
1519                uplevel #0 $after
1520                return
1521        }
1522
1523        for {set i $batch} \
1524                {$update_index_cp < $totalCnt && $i > 0} \
1525                {incr i -1} {
1526                set path [lindex $pathList $update_index_cp]
1527                incr update_index_cp
1528
1529                switch -glob -- [lindex $file_states($path) 0] {
1530                AD {set new __}
1531                ?D {set new D_}
1532                _O -
1533                AM {set new A_}
1534                U? {
1535                        if {[file exists $path]} {
1536                                set new M_
1537                        } else {
1538                                set new D_
1539                        }
1540                }
1541                ?M {set new M_}
1542                ?? {continue}
1543                }
1544                puts -nonewline $fd "$path\0"
1545                display_file $path $new
1546        }
1547
1548        set ui_status_value [format \
1549                "$msg... %i/%i files (%.2f%%)" \
1550                $update_index_cp \
1551                $totalCnt \
1552                [expr {100.0 * $update_index_cp / $totalCnt}]]
1553}
1554
1555proc checkout_index {msg pathList after} {
1556        global update_index_cp ui_status_value
1557
1558        if {![lock_index update]} return
1559
1560        set update_index_cp 0
1561        set pathList [lsort $pathList]
1562        set totalCnt [llength $pathList]
1563        set batch [expr {int($totalCnt * .01) + 1}]
1564        if {$batch > 25} {set batch 25}
1565
1566        set ui_status_value [format \
1567                "$msg... %i/%i files (%.2f%%)" \
1568                $update_index_cp \
1569                $totalCnt \
1570                0.0]
1571        set cmd [list git checkout-index]
1572        lappend cmd --index
1573        lappend cmd --quiet
1574        lappend cmd --force
1575        lappend cmd -z
1576        lappend cmd --stdin
1577        set fd [open "| $cmd " w]
1578        fconfigure $fd \
1579                -blocking 0 \
1580                -buffering full \
1581                -buffersize 512 \
1582                -translation binary
1583        fileevent $fd writable [list \
1584                write_checkout_index \
1585                $fd \
1586                $pathList \
1587                $totalCnt \
1588                $batch \
1589                $msg \
1590                $after \
1591                ]
1592}
1593
1594proc write_checkout_index {fd pathList totalCnt batch msg after} {
1595        global update_index_cp ui_status_value
1596        global file_states current_diff_path
1597
1598        if {$update_index_cp >= $totalCnt} {
1599                close $fd
1600                unlock_index
1601                uplevel #0 $after
1602                return
1603        }
1604
1605        for {set i $batch} \
1606                {$update_index_cp < $totalCnt && $i > 0} \
1607                {incr i -1} {
1608                set path [lindex $pathList $update_index_cp]
1609                incr update_index_cp
1610                switch -glob -- [lindex $file_states($path) 0] {
1611                U? {continue}
1612                ?M -
1613                ?D {
1614                        puts -nonewline $fd "$path\0"
1615                        display_file $path ?_
1616                }
1617                }
1618        }
1619
1620        set ui_status_value [format \
1621                "$msg... %i/%i files (%.2f%%)" \
1622                $update_index_cp \
1623                $totalCnt \
1624                [expr {100.0 * $update_index_cp / $totalCnt}]]
1625}
1626
1627######################################################################
1628##
1629## branch management
1630
1631proc load_all_heads {} {
1632        global all_heads tracking_branches
1633
1634        set all_heads [list]
1635        set cmd [list git for-each-ref]
1636        lappend cmd --format=%(refname)
1637        lappend cmd refs/heads
1638        set fd [open "| $cmd" r]
1639        while {[gets $fd line] > 0} {
1640                if {![catch {set info $tracking_branches($line)}]} continue
1641                if {![regsub ^refs/heads/ $line {} name]} continue
1642                lappend all_heads $name
1643        }
1644        close $fd
1645
1646        set all_heads [lsort $all_heads]
1647}
1648
1649proc populate_branch_menu {} {
1650        global all_heads disable_on_lock
1651
1652        set m .mbar.branch
1653        set last [$m index last]
1654        for {set i 0} {$i <= $last} {incr i} {
1655                if {[$m type $i] eq {separator}} {
1656                        $m delete $i last
1657                        set new_dol [list]
1658                        foreach a $disable_on_lock {
1659                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1660                                        lappend new_dol $a
1661                                }
1662                        }
1663                        set disable_on_lock $new_dol
1664                        break
1665                }
1666        }
1667
1668        $m add separator
1669        foreach b $all_heads {
1670                $m add radiobutton \
1671                        -label $b \
1672                        -command [list switch_branch $b] \
1673                        -variable current_branch \
1674                        -value $b \
1675                        -font font_ui
1676                lappend disable_on_lock \
1677                        [list $m entryconf [$m index last] -state]
1678        }
1679}
1680
1681proc do_create_branch_action {w} {
1682        global all_heads null_sha1
1683        global create_branch_checkout create_branch_revtype
1684        global create_branch_head create_branch_trackinghead
1685
1686        set newbranch [string trim [$w.desc.name_t get 0.0 end]]
1687        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1688                tk_messageBox \
1689                        -icon error \
1690                        -type ok \
1691                        -title [wm title $w] \
1692                        -parent $w \
1693                        -message "Branch '$newbranch' already exists."
1694                focus $w.desc.name_t
1695                return
1696        }
1697        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1698                tk_messageBox \
1699                        -icon error \
1700                        -type ok \
1701                        -title [wm title $w] \
1702                        -parent $w \
1703                        -message "We do not like '$newbranch' as a branch name."
1704                focus $w.desc.name_t
1705                return
1706        }
1707
1708        set rev {}
1709        switch -- $create_branch_revtype {
1710        head {set rev $create_branch_head}
1711        tracking {set rev $create_branch_trackinghead}
1712        expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
1713        }
1714        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1715                tk_messageBox \
1716                        -icon error \
1717                        -type ok \
1718                        -title [wm title $w] \
1719                        -parent $w \
1720                        -message "Invalid starting revision: $rev"
1721                return
1722        }
1723        set cmd [list git update-ref]
1724        lappend cmd -m
1725        lappend cmd "branch: Created from $rev"
1726        lappend cmd "refs/heads/$newbranch"
1727        lappend cmd $cmt
1728        lappend cmd $null_sha1
1729        if {[catch {eval exec $cmd} err]} {
1730                tk_messageBox \
1731                        -icon error \
1732                        -type ok \
1733                        -title [wm title $w] \
1734                        -parent $w \
1735                        -message "Failed to create '$newbranch'.\n\n$err"
1736                return
1737        }
1738
1739        lappend all_heads $newbranch
1740        set all_heads [lsort $all_heads]
1741        populate_branch_menu
1742        destroy $w
1743        if {$create_branch_checkout} {
1744                switch_branch $newbranch
1745        }
1746}
1747
1748proc do_create_branch {} {
1749        global all_heads current_branch tracking_branches
1750        global create_branch_checkout create_branch_revtype
1751        global create_branch_head create_branch_trackinghead
1752
1753        set create_branch_checkout 1
1754        set create_branch_revtype head
1755        set create_branch_head $current_branch
1756        set create_branch_trackinghead {}
1757
1758        set w .branch_editor
1759        toplevel $w
1760        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1761
1762        label $w.header -text {Create New Branch} \
1763                -font font_uibold
1764        pack $w.header -side top -fill x
1765
1766        frame $w.buttons
1767        button $w.buttons.create -text Create \
1768                -font font_ui \
1769                -default active \
1770                -command [list do_create_branch_action $w]
1771        pack $w.buttons.create -side right
1772        button $w.buttons.cancel -text {Cancel} \
1773                -font font_ui \
1774                -command [list destroy $w]
1775        pack $w.buttons.cancel -side right -padx 5
1776        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1777
1778        labelframe $w.desc \
1779                -text {Branch Description} \
1780                -font font_ui
1781        label $w.desc.name_l -text {Name:} -font font_ui
1782        text $w.desc.name_t \
1783                -borderwidth 1 \
1784                -relief sunken \
1785                -height 1 \
1786                -width 40 \
1787                -font font_ui
1788        grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
1789        bind $w.desc.name_t <Shift-Key-Tab> "focus $w.postActions.checkout;break"
1790        bind $w.desc.name_t <Key-Tab> "focus $w.from.exp_t;break"
1791        bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
1792        bind $w.desc.name_t <Key> {
1793                if {{%K} ne {BackSpace}
1794                        && {%K} ne {Tab}
1795                        && {%K} ne {Escape}
1796                        && {%K} ne {Return}} {
1797                        if {%k <= 32} break
1798                        if {[string first %A {~^:?*[}] >= 0} break
1799                }
1800        }
1801        grid columnconfigure $w.desc 1 -weight 1
1802        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1803
1804        set all_trackings [list]
1805        foreach b [array names tracking_branches] {
1806                regsub ^refs/(heads|remotes)/ $b {} b
1807                lappend all_trackings $b
1808        }
1809        set all_trackings [lsort -unique $all_trackings]
1810        if {$all_trackings ne {}} {
1811                set create_branch_trackinghead [lindex $all_trackings 0]
1812        }
1813
1814        labelframe $w.from \
1815                -text {Starting Revision} \
1816                -font font_ui
1817        radiobutton $w.from.head_r \
1818                -text {Local Branch:} \
1819                -value head \
1820                -variable create_branch_revtype \
1821                -font font_ui
1822        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1823        grid $w.from.head_r $w.from.head_m -sticky w
1824        radiobutton $w.from.tracking_r \
1825                -text {Tracking Branch:} \
1826                -value tracking \
1827                -variable create_branch_revtype \
1828                -font font_ui
1829        eval tk_optionMenu $w.from.tracking_m \
1830                create_branch_trackinghead \
1831                $all_trackings
1832        grid $w.from.tracking_r $w.from.tracking_m -sticky w
1833        radiobutton $w.from.exp_r \
1834                -text {Revision Expression:} \
1835                -value expression \
1836                -variable create_branch_revtype \
1837                -font font_ui
1838        text $w.from.exp_t \
1839                -borderwidth 1 \
1840                -relief sunken \
1841                -height 1 \
1842                -width 50 \
1843                -font font_ui
1844        grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
1845        bind $w.from.exp_t <Shift-Key-Tab> "focus $w.desc.name_t;break"
1846        bind $w.from.exp_t <Key-Tab> "focus $w.postActions.checkout;break"
1847        bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
1848        grid columnconfigure $w.from 1 -weight 1
1849        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1850
1851        labelframe $w.postActions \
1852                -text {Post Creation Actions} \
1853                -font font_ui
1854        checkbutton $w.postActions.checkout \
1855                -text {Checkout after creation} \
1856                -variable create_branch_checkout \
1857                -font font_ui
1858        pack $w.postActions.checkout -anchor nw
1859        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1860
1861        bind $w <Visibility> "grab $w; focus $w.desc.name_t"
1862        bind $w <Key-Escape> "destroy $w"
1863        bind $w <Key-Return> "do_create_branch_action $w;break"
1864        wm title $w "[appname] ([reponame]): Create Branch"
1865        tkwait window $w
1866}
1867
1868proc do_delete_branch_action {w} {
1869        global all_heads
1870        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1871
1872        set check_rev {}
1873        switch -- $delete_branch_checktype {
1874        head {set check_rev $delete_branch_head}
1875        tracking {set check_rev $delete_branch_trackinghead}
1876        always {set check_rev {:none}}
1877        }
1878        if {$check_rev eq {:none}} {
1879                set check_cmt {}
1880        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
1881                tk_messageBox \
1882                        -icon error \
1883                        -type ok \
1884                        -title [wm title $w] \
1885                        -parent $w \
1886                        -message "Invalid check revision: $check_rev"
1887                return
1888        }
1889
1890        set to_delete [list]
1891        set not_merged [list]
1892        foreach i [$w.list.l curselection] {
1893                set b [$w.list.l get $i]
1894                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
1895                if {$check_cmt ne {}} {
1896                        if {$b eq $check_rev} continue
1897                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
1898                        if {$o ne $m} {
1899                                lappend not_merged $b
1900                                continue
1901                        }
1902                }
1903                lappend to_delete [list $b $o]
1904        }
1905        if {$not_merged ne {}} {
1906                set msg "The following branches are not completely merged into $check_rev:
1907
1908 - [join $not_merged "\n - "]"
1909                tk_messageBox \
1910                        -icon info \
1911                        -type ok \
1912                        -title [wm title $w] \
1913                        -parent $w \
1914                        -message $msg
1915        }
1916        if {$to_delete eq {}} return
1917        if {$delete_branch_checktype eq {always}} {
1918                set msg {Recovering deleted branches is difficult.
1919
1920Delete the selected branches?}
1921                if {[tk_messageBox \
1922                        -icon warning \
1923                        -type yesno \
1924                        -title [wm title $w] \
1925                        -parent $w \
1926                        -message $msg] ne yes} {
1927                        return
1928                }
1929        }
1930
1931        set failed {}
1932        foreach i $to_delete {
1933                set b [lindex $i 0]
1934                set o [lindex $i 1]
1935                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
1936                        append failed " - $b: $err\n"
1937                } else {
1938                        set x [lsearch -sorted $all_heads $b]
1939                        if {$x >= 0} {
1940                                set all_heads [lreplace $all_heads $x $x]
1941                        }
1942                }
1943        }
1944
1945        if {$failed ne {}} {
1946                tk_messageBox \
1947                        -icon error \
1948                        -type ok \
1949                        -title [wm title $w] \
1950                        -parent $w \
1951                        -message "Failed to delete branches:\n$failed"
1952        }
1953
1954        set all_heads [lsort $all_heads]
1955        populate_branch_menu
1956        destroy $w
1957}
1958
1959proc do_delete_branch {} {
1960        global all_heads tracking_branches current_branch
1961        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
1962
1963        set delete_branch_checktype head
1964        set delete_branch_head $current_branch
1965        set delete_branch_trackinghead {}
1966
1967        set w .branch_editor
1968        toplevel $w
1969        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1970
1971        label $w.header -text {Delete Local Branch} \
1972                -font font_uibold
1973        pack $w.header -side top -fill x
1974
1975        frame $w.buttons
1976        button $w.buttons.create -text Delete \
1977                -font font_ui \
1978                -command [list do_delete_branch_action $w]
1979        pack $w.buttons.create -side right
1980        button $w.buttons.cancel -text {Cancel} \
1981                -font font_ui \
1982                -command [list destroy $w]
1983        pack $w.buttons.cancel -side right -padx 5
1984        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1985
1986        labelframe $w.list \
1987                -text {Local Branches} \
1988                -font font_ui
1989        listbox $w.list.l \
1990                -height 10 \
1991                -width 50 \
1992                -selectmode extended \
1993                -font font_ui
1994        foreach h $all_heads {
1995                if {$h ne $current_branch} {
1996                        $w.list.l insert end $h
1997                }
1998        }
1999        pack $w.list.l -fill both -pady 5 -padx 5
2000        pack $w.list -fill both -pady 5 -padx 5
2001
2002        set all_trackings [list]
2003        foreach b [array names tracking_branches] {
2004                regsub ^refs/(heads|remotes)/ $b {} b
2005                lappend all_trackings $b
2006        }
2007        set all_trackings [lsort -unique $all_trackings]
2008        if {$all_trackings ne {} && $delete_branch_trackinghead eq {}} {
2009                set delete_branch_trackinghead [lindex $all_trackings 0]
2010        }
2011
2012        labelframe $w.validate \
2013                -text {Delete Only If} \
2014                -font font_ui
2015        radiobutton $w.validate.head_r \
2016                -text {Merged Into Local Branch:} \
2017                -value head \
2018                -variable delete_branch_checktype \
2019                -font font_ui
2020        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2021        grid $w.validate.head_r $w.validate.head_m -sticky w
2022        radiobutton $w.validate.tracking_r \
2023                -text {Merged Into Tracking Branch:} \
2024                -value tracking \
2025                -variable delete_branch_checktype \
2026                -font font_ui
2027        eval tk_optionMenu $w.validate.tracking_m \
2028                delete_branch_trackinghead \
2029                $all_trackings
2030        grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2031        radiobutton $w.validate.always_r \
2032                -text {Always (Do not perform merge checks)} \
2033                -value always \
2034                -variable delete_branch_checktype \
2035                -font font_ui
2036        grid $w.validate.always_r -columnspan 2 -sticky w
2037        grid columnconfigure $w.validate 1 -weight 1
2038        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2039
2040        bind $w <Visibility> "grab $w; focus $w"
2041        bind $w <Key-Escape> "destroy $w"
2042        wm title $w "[appname] ([reponame]): Delete Branch"
2043        tkwait window $w
2044}
2045
2046proc switch_branch {b} {
2047        global HEAD commit_type file_states current_branch
2048        global selected_commit_type ui_comm
2049
2050        if {![lock_index switch]} return
2051
2052        # -- Backup the selected branch (repository_state resets it)
2053        #
2054        set new_branch $current_branch
2055
2056        # -- Our in memory state should match the repository.
2057        #
2058        repository_state curType curHEAD curMERGE_HEAD
2059        if {[string match amend* $commit_type]
2060                && $curType eq {normal}
2061                && $curHEAD eq $HEAD} {
2062        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2063                info_popup {Last scanned state does not match repository state.
2064
2065Another Git program has modified this repository
2066since the last scan.  A rescan must be performed
2067before the current branch can be changed.
2068
2069The rescan will be automatically started now.
2070}
2071                unlock_index
2072                rescan {set ui_status_value {Ready.}}
2073                return
2074        }
2075
2076        # -- Toss the message buffer if we are in amend mode.
2077        #
2078        if {[string match amend* $curType]} {
2079                $ui_comm delete 0.0 end
2080                $ui_comm edit reset
2081                $ui_comm edit modified false
2082        }
2083
2084        set selected_commit_type new
2085        set current_branch $new_branch
2086
2087        unlock_index
2088        error "NOT FINISHED"
2089}
2090
2091######################################################################
2092##
2093## remote management
2094
2095proc load_all_remotes {} {
2096        global repo_config
2097        global all_remotes tracking_branches
2098
2099        set all_remotes [list]
2100        array unset tracking_branches
2101
2102        set rm_dir [gitdir remotes]
2103        if {[file isdirectory $rm_dir]} {
2104                set all_remotes [glob \
2105                        -types f \
2106                        -tails \
2107                        -nocomplain \
2108                        -directory $rm_dir *]
2109
2110                foreach name $all_remotes {
2111                        catch {
2112                                set fd [open [file join $rm_dir $name] r]
2113                                while {[gets $fd line] >= 0} {
2114                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2115                                                $line line src dst]} continue
2116                                        if {![regexp ^refs/ $dst]} {
2117                                                set dst "refs/heads/$dst"
2118                                        }
2119                                        set tracking_branches($dst) [list $name $src]
2120                                }
2121                                close $fd
2122                        }
2123                }
2124        }
2125
2126        foreach line [array names repo_config remote.*.url] {
2127                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2128                lappend all_remotes $name
2129
2130                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2131                        set fl {}
2132                }
2133                foreach line $fl {
2134                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2135                        if {![regexp ^refs/ $dst]} {
2136                                set dst "refs/heads/$dst"
2137                        }
2138                        set tracking_branches($dst) [list $name $src]
2139                }
2140        }
2141
2142        set all_remotes [lsort -unique $all_remotes]
2143}
2144
2145proc populate_fetch_menu {m} {
2146        global all_remotes repo_config
2147
2148        foreach r $all_remotes {
2149                set enable 0
2150                if {![catch {set a $repo_config(remote.$r.url)}]} {
2151                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2152                                set enable 1
2153                        }
2154                } else {
2155                        catch {
2156                                set fd [open [gitdir remotes $r] r]
2157                                while {[gets $fd n] >= 0} {
2158                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2159                                                set enable 1
2160                                                break
2161                                        }
2162                                }
2163                                close $fd
2164                        }
2165                }
2166
2167                if {$enable} {
2168                        $m add command \
2169                                -label "Fetch from $r..." \
2170                                -command [list fetch_from $r] \
2171                                -font font_ui
2172                }
2173        }
2174}
2175
2176proc populate_push_menu {m} {
2177        global all_remotes repo_config
2178
2179        foreach r $all_remotes {
2180                set enable 0
2181                if {![catch {set a $repo_config(remote.$r.url)}]} {
2182                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2183                                set enable 1
2184                        }
2185                } else {
2186                        catch {
2187                                set fd [open [gitdir remotes $r] r]
2188                                while {[gets $fd n] >= 0} {
2189                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2190                                                set enable 1
2191                                                break
2192                                        }
2193                                }
2194                                close $fd
2195                        }
2196                }
2197
2198                if {$enable} {
2199                        $m add command \
2200                                -label "Push to $r..." \
2201                                -command [list push_to $r] \
2202                                -font font_ui
2203                }
2204        }
2205}
2206
2207proc populate_pull_menu {m} {
2208        global repo_config all_remotes disable_on_lock
2209
2210        foreach remote $all_remotes {
2211                set rb_list [list]
2212                if {[array get repo_config remote.$remote.url] ne {}} {
2213                        if {[array get repo_config remote.$remote.fetch] ne {}} {
2214                                foreach line $repo_config(remote.$remote.fetch) {
2215                                        if {[regexp {^([^:]+):} $line line rb]} {
2216                                                lappend rb_list $rb
2217                                        }
2218                                }
2219                        }
2220                } else {
2221                        catch {
2222                                set fd [open [gitdir remotes $remote] r]
2223                                while {[gets $fd line] >= 0} {
2224                                        if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2225                                                lappend rb_list $rb
2226                                        }
2227                                }
2228                                close $fd
2229                        }
2230                }
2231
2232                foreach rb $rb_list {
2233                        regsub ^refs/heads/ $rb {} rb_short
2234                        $m add command \
2235                                -label "Branch $rb_short from $remote..." \
2236                                -command [list pull_remote $remote $rb] \
2237                                -font font_ui
2238                        lappend disable_on_lock \
2239                                [list $m entryconf [$m index last] -state]
2240                }
2241        }
2242}
2243
2244######################################################################
2245##
2246## icons
2247
2248set filemask {
2249#define mask_width 14
2250#define mask_height 15
2251static unsigned char mask_bits[] = {
2252   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2253   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2254   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2255}
2256
2257image create bitmap file_plain -background white -foreground black -data {
2258#define plain_width 14
2259#define plain_height 15
2260static unsigned char plain_bits[] = {
2261   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2262   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2263   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2264} -maskdata $filemask
2265
2266image create bitmap file_mod -background white -foreground blue -data {
2267#define mod_width 14
2268#define mod_height 15
2269static unsigned char mod_bits[] = {
2270   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2271   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2272   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2273} -maskdata $filemask
2274
2275image create bitmap file_fulltick -background white -foreground "#007000" -data {
2276#define file_fulltick_width 14
2277#define file_fulltick_height 15
2278static unsigned char file_fulltick_bits[] = {
2279   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2280   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2281   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2282} -maskdata $filemask
2283
2284image create bitmap file_parttick -background white -foreground "#005050" -data {
2285#define parttick_width 14
2286#define parttick_height 15
2287static unsigned char parttick_bits[] = {
2288   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2289   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2290   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2291} -maskdata $filemask
2292
2293image create bitmap file_question -background white -foreground black -data {
2294#define file_question_width 14
2295#define file_question_height 15
2296static unsigned char file_question_bits[] = {
2297   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2298   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2299   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2300} -maskdata $filemask
2301
2302image create bitmap file_removed -background white -foreground red -data {
2303#define file_removed_width 14
2304#define file_removed_height 15
2305static unsigned char file_removed_bits[] = {
2306   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2307   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2308   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2309} -maskdata $filemask
2310
2311image create bitmap file_merge -background white -foreground blue -data {
2312#define file_merge_width 14
2313#define file_merge_height 15
2314static unsigned char file_merge_bits[] = {
2315   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2316   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2317   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2318} -maskdata $filemask
2319
2320set ui_index .vpane.files.index.list
2321set ui_workdir .vpane.files.workdir.list
2322
2323set all_icons(_$ui_index)   file_plain
2324set all_icons(A$ui_index)   file_fulltick
2325set all_icons(M$ui_index)   file_fulltick
2326set all_icons(D$ui_index)   file_removed
2327set all_icons(U$ui_index)   file_merge
2328
2329set all_icons(_$ui_workdir) file_plain
2330set all_icons(M$ui_workdir) file_mod
2331set all_icons(D$ui_workdir) file_question
2332set all_icons(U$ui_workdir) file_merge
2333set all_icons(O$ui_workdir) file_plain
2334
2335set max_status_desc 0
2336foreach i {
2337                {__ "Unmodified"}
2338
2339                {_M "Modified, not staged"}
2340                {M_ "Staged for commit"}
2341                {MM "Portions staged for commit"}
2342                {MD "Staged for commit, missing"}
2343
2344                {_O "Untracked, not staged"}
2345                {A_ "Staged for commit"}
2346                {AM "Portions staged for commit"}
2347                {AD "Staged for commit, missing"}
2348
2349                {_D "Missing"}
2350                {D_ "Staged for removal"}
2351                {DO "Staged for removal, still present"}
2352
2353                {U_ "Requires merge resolution"}
2354                {UU "Requires merge resolution"}
2355                {UM "Requires merge resolution"}
2356                {UD "Requires merge resolution"}
2357        } {
2358        if {$max_status_desc < [string length [lindex $i 1]]} {
2359                set max_status_desc [string length [lindex $i 1]]
2360        }
2361        set all_descs([lindex $i 0]) [lindex $i 1]
2362}
2363unset i
2364
2365######################################################################
2366##
2367## util
2368
2369proc is_MacOSX {} {
2370        global tcl_platform tk_library
2371        if {[tk windowingsystem] eq {aqua}} {
2372                return 1
2373        }
2374        return 0
2375}
2376
2377proc is_Windows {} {
2378        global tcl_platform
2379        if {$tcl_platform(platform) eq {windows}} {
2380                return 1
2381        }
2382        return 0
2383}
2384
2385proc bind_button3 {w cmd} {
2386        bind $w <Any-Button-3> $cmd
2387        if {[is_MacOSX]} {
2388                bind $w <Control-Button-1> $cmd
2389        }
2390}
2391
2392proc incr_font_size {font {amt 1}} {
2393        set sz [font configure $font -size]
2394        incr sz $amt
2395        font configure $font -size $sz
2396        font configure ${font}bold -size $sz
2397}
2398
2399proc hook_failed_popup {hook msg} {
2400        set w .hookfail
2401        toplevel $w
2402
2403        frame $w.m
2404        label $w.m.l1 -text "$hook hook failed:" \
2405                -anchor w \
2406                -justify left \
2407                -font font_uibold
2408        text $w.m.t \
2409                -background white -borderwidth 1 \
2410                -relief sunken \
2411                -width 80 -height 10 \
2412                -font font_diff \
2413                -yscrollcommand [list $w.m.sby set]
2414        label $w.m.l2 \
2415                -text {You must correct the above errors before committing.} \
2416                -anchor w \
2417                -justify left \
2418                -font font_uibold
2419        scrollbar $w.m.sby -command [list $w.m.t yview]
2420        pack $w.m.l1 -side top -fill x
2421        pack $w.m.l2 -side bottom -fill x
2422        pack $w.m.sby -side right -fill y
2423        pack $w.m.t -side left -fill both -expand 1
2424        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2425
2426        $w.m.t insert 1.0 $msg
2427        $w.m.t conf -state disabled
2428
2429        button $w.ok -text OK \
2430                -width 15 \
2431                -font font_ui \
2432                -command "destroy $w"
2433        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2434
2435        bind $w <Visibility> "grab $w; focus $w"
2436        bind $w <Key-Return> "destroy $w"
2437        wm title $w "[appname] ([reponame]): error"
2438        tkwait window $w
2439}
2440
2441set next_console_id 0
2442
2443proc new_console {short_title long_title} {
2444        global next_console_id console_data
2445        set w .console[incr next_console_id]
2446        set console_data($w) [list $short_title $long_title]
2447        return [console_init $w]
2448}
2449
2450proc console_init {w} {
2451        global console_cr console_data M1B
2452
2453        set console_cr($w) 1.0
2454        toplevel $w
2455        frame $w.m
2456        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2457                -anchor w \
2458                -justify left \
2459                -font font_uibold
2460        text $w.m.t \
2461                -background white -borderwidth 1 \
2462                -relief sunken \
2463                -width 80 -height 10 \
2464                -font font_diff \
2465                -state disabled \
2466                -yscrollcommand [list $w.m.sby set]
2467        label $w.m.s -text {Working... please wait...} \
2468                -anchor w \
2469                -justify left \
2470                -font font_uibold
2471        scrollbar $w.m.sby -command [list $w.m.t yview]
2472        pack $w.m.l1 -side top -fill x
2473        pack $w.m.s -side bottom -fill x
2474        pack $w.m.sby -side right -fill y
2475        pack $w.m.t -side left -fill both -expand 1
2476        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2477
2478        menu $w.ctxm -tearoff 0
2479        $w.ctxm add command -label "Copy" \
2480                -font font_ui \
2481                -command "tk_textCopy $w.m.t"
2482        $w.ctxm add command -label "Select All" \
2483                -font font_ui \
2484                -command "$w.m.t tag add sel 0.0 end"
2485        $w.ctxm add command -label "Copy All" \
2486                -font font_ui \
2487                -command "
2488                        $w.m.t tag add sel 0.0 end
2489                        tk_textCopy $w.m.t
2490                        $w.m.t tag remove sel 0.0 end
2491                "
2492
2493        button $w.ok -text {Close} \
2494                -font font_ui \
2495                -state disabled \
2496                -command "destroy $w"
2497        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2498
2499        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2500        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2501        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2502        bind $w <Visibility> "focus $w"
2503        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2504        return $w
2505}
2506
2507proc console_exec {w cmd {after {}}} {
2508        # -- Windows tosses the enviroment when we exec our child.
2509        #    But most users need that so we have to relogin. :-(
2510        #
2511        if {[is_Windows]} {
2512                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2513        }
2514
2515        # -- Tcl won't let us redirect both stdout and stderr to
2516        #    the same pipe.  So pass it through cat...
2517        #
2518        set cmd [concat | $cmd |& cat]
2519
2520        set fd_f [open $cmd r]
2521        fconfigure $fd_f -blocking 0 -translation binary
2522        fileevent $fd_f readable [list console_read $w $fd_f $after]
2523}
2524
2525proc console_read {w fd after} {
2526        global console_cr console_data
2527
2528        set buf [read $fd]
2529        if {$buf ne {}} {
2530                if {![winfo exists $w]} {console_init $w}
2531                $w.m.t conf -state normal
2532                set c 0
2533                set n [string length $buf]
2534                while {$c < $n} {
2535                        set cr [string first "\r" $buf $c]
2536                        set lf [string first "\n" $buf $c]
2537                        if {$cr < 0} {set cr [expr {$n + 1}]}
2538                        if {$lf < 0} {set lf [expr {$n + 1}]}
2539
2540                        if {$lf < $cr} {
2541                                $w.m.t insert end [string range $buf $c $lf]
2542                                set console_cr($w) [$w.m.t index {end -1c}]
2543                                set c $lf
2544                                incr c
2545                        } else {
2546                                $w.m.t delete $console_cr($w) end
2547                                $w.m.t insert end "\n"
2548                                $w.m.t insert end [string range $buf $c $cr]
2549                                set c $cr
2550                                incr c
2551                        }
2552                }
2553                $w.m.t conf -state disabled
2554                $w.m.t see end
2555        }
2556
2557        fconfigure $fd -blocking 1
2558        if {[eof $fd]} {
2559                if {[catch {close $fd}]} {
2560                        if {![winfo exists $w]} {console_init $w}
2561                        $w.m.s conf -background red -text {Error: Command Failed}
2562                        $w.ok conf -state normal
2563                        set ok 0
2564                } elseif {[winfo exists $w]} {
2565                        $w.m.s conf -background green -text {Success}
2566                        $w.ok conf -state normal
2567                        set ok 1
2568                }
2569                array unset console_cr $w
2570                array unset console_data $w
2571                if {$after ne {}} {
2572                        uplevel #0 $after $ok
2573                }
2574                return
2575        }
2576        fconfigure $fd -blocking 0
2577}
2578
2579######################################################################
2580##
2581## ui commands
2582
2583set starting_gitk_msg {Starting gitk... please wait...}
2584
2585proc do_gitk {revs} {
2586        global ui_status_value starting_gitk_msg
2587
2588        set cmd gitk
2589        if {$revs ne {}} {
2590                append cmd { }
2591                append cmd $revs
2592        }
2593        if {[is_Windows]} {
2594                set cmd "sh -c \"exec $cmd\""
2595        }
2596        append cmd { &}
2597
2598        if {[catch {eval exec $cmd} err]} {
2599                error_popup "Failed to start gitk:\n\n$err"
2600        } else {
2601                set ui_status_value $starting_gitk_msg
2602                after 10000 {
2603                        if {$ui_status_value eq $starting_gitk_msg} {
2604                                set ui_status_value {Ready.}
2605                        }
2606                }
2607        }
2608}
2609
2610proc do_gc {} {
2611        set w [new_console {gc} {Compressing the object database}]
2612        console_exec $w {git gc}
2613}
2614
2615proc do_fsck_objects {} {
2616        set w [new_console {fsck-objects} \
2617                {Verifying the object database with fsck-objects}]
2618        set cmd [list git fsck-objects]
2619        lappend cmd --full
2620        lappend cmd --cache
2621        lappend cmd --strict
2622        console_exec $w $cmd
2623}
2624
2625set is_quitting 0
2626
2627proc do_quit {} {
2628        global ui_comm is_quitting repo_config commit_type
2629
2630        if {$is_quitting} return
2631        set is_quitting 1
2632
2633        # -- Stash our current commit buffer.
2634        #
2635        set save [gitdir GITGUI_MSG]
2636        set msg [string trim [$ui_comm get 0.0 end]]
2637        if {![string match amend* $commit_type]
2638                && [$ui_comm edit modified]
2639                && $msg ne {}} {
2640                catch {
2641                        set fd [open $save w]
2642                        puts $fd [string trim [$ui_comm get 0.0 end]]
2643                        close $fd
2644                }
2645        } else {
2646                catch {file delete $save}
2647        }
2648
2649        # -- Stash our current window geometry into this repository.
2650        #
2651        set cfg_geometry [list]
2652        lappend cfg_geometry [wm geometry .]
2653        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2654        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2655        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2656                set rc_geometry {}
2657        }
2658        if {$cfg_geometry ne $rc_geometry} {
2659                catch {exec git repo-config gui.geometry $cfg_geometry}
2660        }
2661
2662        destroy .
2663}
2664
2665proc do_rescan {} {
2666        rescan {set ui_status_value {Ready.}}
2667}
2668
2669proc unstage_helper {txt paths} {
2670        global file_states current_diff_path
2671
2672        if {![lock_index begin-update]} return
2673
2674        set pathList [list]
2675        set after {}
2676        foreach path $paths {
2677                switch -glob -- [lindex $file_states($path) 0] {
2678                A? -
2679                M? -
2680                D? {
2681                        lappend pathList $path
2682                        if {$path eq $current_diff_path} {
2683                                set after {reshow_diff;}
2684                        }
2685                }
2686                }
2687        }
2688        if {$pathList eq {}} {
2689                unlock_index
2690        } else {
2691                update_indexinfo \
2692                        $txt \
2693                        $pathList \
2694                        [concat $after {set ui_status_value {Ready.}}]
2695        }
2696}
2697
2698proc do_unstage_selection {} {
2699        global current_diff_path selected_paths
2700
2701        if {[array size selected_paths] > 0} {
2702                unstage_helper \
2703                        {Unstaging selected files from commit} \
2704                        [array names selected_paths]
2705        } elseif {$current_diff_path ne {}} {
2706                unstage_helper \
2707                        "Unstaging [short_path $current_diff_path] from commit" \
2708                        [list $current_diff_path]
2709        }
2710}
2711
2712proc add_helper {txt paths} {
2713        global file_states current_diff_path
2714
2715        if {![lock_index begin-update]} return
2716
2717        set pathList [list]
2718        set after {}
2719        foreach path $paths {
2720                switch -glob -- [lindex $file_states($path) 0] {
2721                _O -
2722                ?M -
2723                ?D -
2724                U? {
2725                        lappend pathList $path
2726                        if {$path eq $current_diff_path} {
2727                                set after {reshow_diff;}
2728                        }
2729                }
2730                }
2731        }
2732        if {$pathList eq {}} {
2733                unlock_index
2734        } else {
2735                update_index \
2736                        $txt \
2737                        $pathList \
2738                        [concat $after {set ui_status_value {Ready to commit.}}]
2739        }
2740}
2741
2742proc do_add_selection {} {
2743        global current_diff_path selected_paths
2744
2745        if {[array size selected_paths] > 0} {
2746                add_helper \
2747                        {Adding selected files} \
2748                        [array names selected_paths]
2749        } elseif {$current_diff_path ne {}} {
2750                add_helper \
2751                        "Adding [short_path $current_diff_path]" \
2752                        [list $current_diff_path]
2753        }
2754}
2755
2756proc do_add_all {} {
2757        global file_states
2758
2759        set paths [list]
2760        foreach path [array names file_states] {
2761                switch -glob -- [lindex $file_states($path) 0] {
2762                U? {continue}
2763                ?M -
2764                ?D {lappend paths $path}
2765                }
2766        }
2767        add_helper {Adding all changed files} $paths
2768}
2769
2770proc revert_helper {txt paths} {
2771        global file_states current_diff_path
2772
2773        if {![lock_index begin-update]} return
2774
2775        set pathList [list]
2776        set after {}
2777        foreach path $paths {
2778                switch -glob -- [lindex $file_states($path) 0] {
2779                U? {continue}
2780                ?M -
2781                ?D {
2782                        lappend pathList $path
2783                        if {$path eq $current_diff_path} {
2784                                set after {reshow_diff;}
2785                        }
2786                }
2787                }
2788        }
2789
2790        set n [llength $pathList]
2791        if {$n == 0} {
2792                unlock_index
2793                return
2794        } elseif {$n == 1} {
2795                set s "[short_path [lindex $pathList]]"
2796        } else {
2797                set s "these $n files"
2798        }
2799
2800        set reply [tk_dialog \
2801                .confirm_revert \
2802                "[appname] ([reponame])" \
2803                "Revert changes in $s?
2804
2805Any unadded changes will be permanently lost by the revert." \
2806                question \
2807                1 \
2808                {Do Nothing} \
2809                {Revert Changes} \
2810                ]
2811        if {$reply == 1} {
2812                checkout_index \
2813                        $txt \
2814                        $pathList \
2815                        [concat $after {set ui_status_value {Ready.}}]
2816        } else {
2817                unlock_index
2818        }
2819}
2820
2821proc do_revert_selection {} {
2822        global current_diff_path selected_paths
2823
2824        if {[array size selected_paths] > 0} {
2825                revert_helper \
2826                        {Reverting selected files} \
2827                        [array names selected_paths]
2828        } elseif {$current_diff_path ne {}} {
2829                revert_helper \
2830                        "Reverting [short_path $current_diff_path]" \
2831                        [list $current_diff_path]
2832        }
2833}
2834
2835proc do_signoff {} {
2836        global ui_comm
2837
2838        set me [committer_ident]
2839        if {$me eq {}} return
2840
2841        set sob "Signed-off-by: $me"
2842        set last [$ui_comm get {end -1c linestart} {end -1c}]
2843        if {$last ne $sob} {
2844                $ui_comm edit separator
2845                if {$last ne {}
2846                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2847                        $ui_comm insert end "\n"
2848                }
2849                $ui_comm insert end "\n$sob"
2850                $ui_comm edit separator
2851                $ui_comm see end
2852        }
2853}
2854
2855proc do_select_commit_type {} {
2856        global commit_type selected_commit_type
2857
2858        if {$selected_commit_type eq {new}
2859                && [string match amend* $commit_type]} {
2860                create_new_commit
2861        } elseif {$selected_commit_type eq {amend}
2862                && ![string match amend* $commit_type]} {
2863                load_last_commit
2864
2865                # The amend request was rejected...
2866                #
2867                if {![string match amend* $commit_type]} {
2868                        set selected_commit_type new
2869                }
2870        }
2871}
2872
2873proc do_commit {} {
2874        commit_tree
2875}
2876
2877proc do_about {} {
2878        global appvers copyright
2879        global tcl_patchLevel tk_patchLevel
2880
2881        set w .about_dialog
2882        toplevel $w
2883        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2884
2885        label $w.header -text "About [appname]" \
2886                -font font_uibold
2887        pack $w.header -side top -fill x
2888
2889        frame $w.buttons
2890        button $w.buttons.close -text {Close} \
2891                -font font_ui \
2892                -command [list destroy $w]
2893        pack $w.buttons.close -side right
2894        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2895
2896        label $w.desc \
2897                -text "[appname] - a commit creation tool for Git.
2898$copyright" \
2899                -padx 5 -pady 5 \
2900                -justify left \
2901                -anchor w \
2902                -borderwidth 1 \
2903                -relief solid \
2904                -font font_ui
2905        pack $w.desc -side top -fill x -padx 5 -pady 5
2906
2907        set v {}
2908        append v "[appname] version $appvers\n"
2909        append v "[exec git version]\n"
2910        append v "\n"
2911        if {$tcl_patchLevel eq $tk_patchLevel} {
2912                append v "Tcl/Tk version $tcl_patchLevel"
2913        } else {
2914                append v "Tcl version $tcl_patchLevel"
2915                append v ", Tk version $tk_patchLevel"
2916        }
2917
2918        label $w.vers \
2919                -text $v \
2920                -padx 5 -pady 5 \
2921                -justify left \
2922                -anchor w \
2923                -borderwidth 1 \
2924                -relief solid \
2925                -font font_ui
2926        pack $w.vers -side top -fill x -padx 5 -pady 5
2927
2928        menu $w.ctxm -tearoff 0
2929        $w.ctxm add command \
2930                -label {Copy} \
2931                -font font_ui \
2932                -command "
2933                clipboard clear
2934                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2935        "
2936
2937        bind $w <Visibility> "grab $w; focus $w"
2938        bind $w <Key-Escape> "destroy $w"
2939        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2940        wm title $w "About [appname]"
2941        tkwait window $w
2942}
2943
2944proc do_options {} {
2945        global repo_config global_config font_descs
2946        global repo_config_new global_config_new
2947
2948        array unset repo_config_new
2949        array unset global_config_new
2950        foreach name [array names repo_config] {
2951                set repo_config_new($name) $repo_config($name)
2952        }
2953        load_config 1
2954        foreach name [array names repo_config] {
2955                switch -- $name {
2956                gui.diffcontext {continue}
2957                }
2958                set repo_config_new($name) $repo_config($name)
2959        }
2960        foreach name [array names global_config] {
2961                set global_config_new($name) $global_config($name)
2962        }
2963
2964        set w .options_editor
2965        toplevel $w
2966        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2967
2968        label $w.header -text "[appname] Options" \
2969                -font font_uibold
2970        pack $w.header -side top -fill x
2971
2972        frame $w.buttons
2973        button $w.buttons.restore -text {Restore Defaults} \
2974                -font font_ui \
2975                -command do_restore_defaults
2976        pack $w.buttons.restore -side left
2977        button $w.buttons.save -text Save \
2978                -font font_ui \
2979                -command [list do_save_config $w]
2980        pack $w.buttons.save -side right
2981        button $w.buttons.cancel -text {Cancel} \
2982                -font font_ui \
2983                -command [list destroy $w]
2984        pack $w.buttons.cancel -side right -padx 5
2985        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2986
2987        labelframe $w.repo -text "[reponame] Repository" \
2988                -font font_ui \
2989                -relief raised -borderwidth 2
2990        labelframe $w.global -text {Global (All Repositories)} \
2991                -font font_ui \
2992                -relief raised -borderwidth 2
2993        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2994        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2995
2996        foreach option {
2997                {b pullsummary {Show Pull Summary}}
2998                {b trustmtime  {Trust File Modification Timestamps}}
2999                {i diffcontext {Number of Diff Context Lines}}
3000                } {
3001                set type [lindex $option 0]
3002                set name [lindex $option 1]
3003                set text [lindex $option 2]
3004                foreach f {repo global} {
3005                        switch $type {
3006                        b {
3007                                checkbutton $w.$f.$name -text $text \
3008                                        -variable ${f}_config_new(gui.$name) \
3009                                        -onvalue true \
3010                                        -offvalue false \
3011                                        -font font_ui
3012                                pack $w.$f.$name -side top -anchor w
3013                        }
3014                        i {
3015                                frame $w.$f.$name
3016                                label $w.$f.$name.l -text "$text:" -font font_ui
3017                                pack $w.$f.$name.l -side left -anchor w -fill x
3018                                spinbox $w.$f.$name.v \
3019                                        -textvariable ${f}_config_new(gui.$name) \
3020                                        -from 1 -to 99 -increment 1 \
3021                                        -width 3 \
3022                                        -font font_ui
3023                                pack $w.$f.$name.v -side right -anchor e
3024                                pack $w.$f.$name -side top -anchor w -fill x
3025                        }
3026                        }
3027                }
3028        }
3029
3030        set all_fonts [lsort [font families]]
3031        foreach option $font_descs {
3032                set name [lindex $option 0]
3033                set font [lindex $option 1]
3034                set text [lindex $option 2]
3035
3036                set global_config_new(gui.$font^^family) \
3037                        [font configure $font -family]
3038                set global_config_new(gui.$font^^size) \
3039                        [font configure $font -size]
3040
3041                frame $w.global.$name
3042                label $w.global.$name.l -text "$text:" -font font_ui
3043                pack $w.global.$name.l -side left -anchor w -fill x
3044                eval tk_optionMenu $w.global.$name.family \
3045                        global_config_new(gui.$font^^family) \
3046                        $all_fonts
3047                spinbox $w.global.$name.size \
3048                        -textvariable global_config_new(gui.$font^^size) \
3049                        -from 2 -to 80 -increment 1 \
3050                        -width 3 \
3051                        -font font_ui
3052                pack $w.global.$name.size -side right -anchor e
3053                pack $w.global.$name.family -side right -anchor e
3054                pack $w.global.$name -side top -anchor w -fill x
3055        }
3056
3057        bind $w <Visibility> "grab $w; focus $w"
3058        bind $w <Key-Escape> "destroy $w"
3059        wm title $w "[appname] ([reponame]): Options"
3060        tkwait window $w
3061}
3062
3063proc do_restore_defaults {} {
3064        global font_descs default_config repo_config
3065        global repo_config_new global_config_new
3066
3067        foreach name [array names default_config] {
3068                set repo_config_new($name) $default_config($name)
3069                set global_config_new($name) $default_config($name)
3070        }
3071
3072        foreach option $font_descs {
3073                set name [lindex $option 0]
3074                set repo_config(gui.$name) $default_config(gui.$name)
3075        }
3076        apply_config
3077
3078        foreach option $font_descs {
3079                set name [lindex $option 0]
3080                set font [lindex $option 1]
3081                set global_config_new(gui.$font^^family) \
3082                        [font configure $font -family]
3083                set global_config_new(gui.$font^^size) \
3084                        [font configure $font -size]
3085        }
3086}
3087
3088proc do_save_config {w} {
3089        if {[catch {save_config} err]} {
3090                error_popup "Failed to completely save options:\n\n$err"
3091        }
3092        reshow_diff
3093        destroy $w
3094}
3095
3096proc do_windows_shortcut {} {
3097        global argv0
3098
3099        if {[catch {
3100                set desktop [exec cygpath \
3101                        --windows \
3102                        --absolute \
3103                        --long-name \
3104                        --desktop]
3105                }]} {
3106                        set desktop .
3107        }
3108        set fn [tk_getSaveFile \
3109                -parent . \
3110                -title "[appname] ([reponame]): Create Desktop Icon" \
3111                -initialdir $desktop \
3112                -initialfile "Git [reponame].bat"]
3113        if {$fn != {}} {
3114                if {[catch {
3115                                set fd [open $fn w]
3116                                set sh [exec cygpath \
3117                                        --windows \
3118                                        --absolute \
3119                                        /bin/sh]
3120                                set me [exec cygpath \
3121                                        --unix \
3122                                        --absolute \
3123                                        $argv0]
3124                                set gd [exec cygpath \
3125                                        --unix \
3126                                        --absolute \
3127                                        [gitdir]]
3128                                set gw [exec cygpath \
3129                                        --windows \
3130                                        --absolute \
3131                                        [file dirname [gitdir]]]
3132                                regsub -all ' $me "'\\''" me
3133                                regsub -all ' $gd "'\\''" gd
3134                                puts $fd "@ECHO Entering $gw"
3135                                puts $fd "@ECHO Starting git-gui... please wait..."
3136                                puts -nonewline $fd "@\"$sh\" --login -c \""
3137                                puts -nonewline $fd "GIT_DIR='$gd'"
3138                                puts -nonewline $fd " '$me'"
3139                                puts $fd "&\""
3140                                close $fd
3141                        } err]} {
3142                        error_popup "Cannot write script:\n\n$err"
3143                }
3144        }
3145}
3146
3147proc do_macosx_app {} {
3148        global argv0 env
3149
3150        set fn [tk_getSaveFile \
3151                -parent . \
3152                -title "[appname] ([reponame]): Create Desktop Icon" \
3153                -initialdir [file join $env(HOME) Desktop] \
3154                -initialfile "Git [reponame].app"]
3155        if {$fn != {}} {
3156                if {[catch {
3157                                set Contents [file join $fn Contents]
3158                                set MacOS [file join $Contents MacOS]
3159                                set exe [file join $MacOS git-gui]
3160
3161                                file mkdir $MacOS
3162
3163                                set fd [open [file join $Contents Info.plist] w]
3164                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3165<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3166<plist version="1.0">
3167<dict>
3168        <key>CFBundleDevelopmentRegion</key>
3169        <string>English</string>
3170        <key>CFBundleExecutable</key>
3171        <string>git-gui</string>
3172        <key>CFBundleIdentifier</key>
3173        <string>org.spearce.git-gui</string>
3174        <key>CFBundleInfoDictionaryVersion</key>
3175        <string>6.0</string>
3176        <key>CFBundlePackageType</key>
3177        <string>APPL</string>
3178        <key>CFBundleSignature</key>
3179        <string>????</string>
3180        <key>CFBundleVersion</key>
3181        <string>1.0</string>
3182        <key>NSPrincipalClass</key>
3183        <string>NSApplication</string>
3184</dict>
3185</plist>}
3186                                close $fd
3187
3188                                set fd [open $exe w]
3189                                set gd [file normalize [gitdir]]
3190                                set ep [file normalize [exec git --exec-path]]
3191                                regsub -all ' $gd "'\\''" gd
3192                                regsub -all ' $ep "'\\''" ep
3193                                puts $fd "#!/bin/sh"
3194                                foreach name [array names env] {
3195                                        if {[string match GIT_* $name]} {
3196                                                regsub -all ' $env($name) "'\\''" v
3197                                                puts $fd "export $name='$v'"
3198                                        }
3199                                }
3200                                puts $fd "export PATH='$ep':\$PATH"
3201                                puts $fd "export GIT_DIR='$gd'"
3202                                puts $fd "exec [file normalize $argv0]"
3203                                close $fd
3204
3205                                file attributes $exe -permissions u+x,g+x,o+x
3206                        } err]} {
3207                        error_popup "Cannot write icon:\n\n$err"
3208                }
3209        }
3210}
3211
3212proc toggle_or_diff {w x y} {
3213        global file_states file_lists current_diff_path ui_index ui_workdir
3214        global last_clicked selected_paths
3215
3216        set pos [split [$w index @$x,$y] .]
3217        set lno [lindex $pos 0]
3218        set col [lindex $pos 1]
3219        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3220        if {$path eq {}} {
3221                set last_clicked {}
3222                return
3223        }
3224
3225        set last_clicked [list $w $lno]
3226        array unset selected_paths
3227        $ui_index tag remove in_sel 0.0 end
3228        $ui_workdir tag remove in_sel 0.0 end
3229
3230        if {$col == 0} {
3231                if {$current_diff_path eq $path} {
3232                        set after {reshow_diff;}
3233                } else {
3234                        set after {}
3235                }
3236                if {$w eq $ui_index} {
3237                        update_indexinfo \
3238                                "Unstaging [short_path $path] from commit" \
3239                                [list $path] \
3240                                [concat $after {set ui_status_value {Ready.}}]
3241                } elseif {$w eq $ui_workdir} {
3242                        update_index \
3243                                "Adding [short_path $path]" \
3244                                [list $path] \
3245                                [concat $after {set ui_status_value {Ready.}}]
3246                }
3247        } else {
3248                show_diff $path $w $lno
3249        }
3250}
3251
3252proc add_one_to_selection {w x y} {
3253        global file_lists last_clicked selected_paths
3254
3255        set lno [lindex [split [$w index @$x,$y] .] 0]
3256        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3257        if {$path eq {}} {
3258                set last_clicked {}
3259                return
3260        }
3261
3262        if {$last_clicked ne {}
3263                && [lindex $last_clicked 0] ne $w} {
3264                array unset selected_paths
3265                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3266        }
3267
3268        set last_clicked [list $w $lno]
3269        if {[catch {set in_sel $selected_paths($path)}]} {
3270                set in_sel 0
3271        }
3272        if {$in_sel} {
3273                unset selected_paths($path)
3274                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3275        } else {
3276                set selected_paths($path) 1
3277                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3278        }
3279}
3280
3281proc add_range_to_selection {w x y} {
3282        global file_lists last_clicked selected_paths
3283
3284        if {[lindex $last_clicked 0] ne $w} {
3285                toggle_or_diff $w $x $y
3286                return
3287        }
3288
3289        set lno [lindex [split [$w index @$x,$y] .] 0]
3290        set lc [lindex $last_clicked 1]
3291        if {$lc < $lno} {
3292                set begin $lc
3293                set end $lno
3294        } else {
3295                set begin $lno
3296                set end $lc
3297        }
3298
3299        foreach path [lrange $file_lists($w) \
3300                [expr {$begin - 1}] \
3301                [expr {$end - 1}]] {
3302                set selected_paths($path) 1
3303        }
3304        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3305}
3306
3307######################################################################
3308##
3309## config defaults
3310
3311set cursor_ptr arrow
3312font create font_diff -family Courier -size 10
3313font create font_ui
3314catch {
3315        label .dummy
3316        eval font configure font_ui [font actual [.dummy cget -font]]
3317        destroy .dummy
3318}
3319
3320font create font_uibold
3321font create font_diffbold
3322
3323if {[is_Windows]} {
3324        set M1B Control
3325        set M1T Ctrl
3326} elseif {[is_MacOSX]} {
3327        set M1B M1
3328        set M1T Cmd
3329} else {
3330        set M1B M1
3331        set M1T M1
3332}
3333
3334proc apply_config {} {
3335        global repo_config font_descs
3336
3337        foreach option $font_descs {
3338                set name [lindex $option 0]
3339                set font [lindex $option 1]
3340                if {[catch {
3341                        foreach {cn cv} $repo_config(gui.$name) {
3342                                font configure $font $cn $cv
3343                        }
3344                        } err]} {
3345                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3346                }
3347                foreach {cn cv} [font configure $font] {
3348                        font configure ${font}bold $cn $cv
3349                }
3350                font configure ${font}bold -weight bold
3351        }
3352}
3353
3354set default_config(gui.trustmtime) false
3355set default_config(gui.pullsummary) true
3356set default_config(gui.diffcontext) 5
3357set default_config(gui.fontui) [font configure font_ui]
3358set default_config(gui.fontdiff) [font configure font_diff]
3359set font_descs {
3360        {fontui   font_ui   {Main Font}}
3361        {fontdiff font_diff {Diff/Console Font}}
3362}
3363load_config 0
3364apply_config
3365
3366######################################################################
3367##
3368## ui construction
3369
3370# -- Menu Bar
3371#
3372menu .mbar -tearoff 0
3373.mbar add cascade -label Repository -menu .mbar.repository
3374.mbar add cascade -label Edit -menu .mbar.edit
3375if {!$single_commit} {
3376        .mbar add cascade -label Branch -menu .mbar.branch
3377}
3378.mbar add cascade -label Commit -menu .mbar.commit
3379if {!$single_commit} {
3380        .mbar add cascade -label Fetch -menu .mbar.fetch
3381        .mbar add cascade -label Pull -menu .mbar.pull
3382        .mbar add cascade -label Push -menu .mbar.push
3383}
3384. configure -menu .mbar
3385
3386# -- Repository Menu
3387#
3388menu .mbar.repository
3389.mbar.repository add command \
3390        -label {Visualize Current Branch} \
3391        -command {do_gitk {}} \
3392        -font font_ui
3393if {![is_MacOSX]} {
3394        .mbar.repository add command \
3395                -label {Visualize All Branches} \
3396                -command {do_gitk {--all}} \
3397                -font font_ui
3398}
3399.mbar.repository add separator
3400
3401if {!$single_commit} {
3402        .mbar.repository add command -label {Compress Database} \
3403                -command do_gc \
3404                -font font_ui
3405
3406        .mbar.repository add command -label {Verify Database} \
3407                -command do_fsck_objects \
3408                -font font_ui
3409
3410        .mbar.repository add separator
3411
3412        if {[is_Windows]} {
3413                .mbar.repository add command \
3414                        -label {Create Desktop Icon} \
3415                        -command do_windows_shortcut \
3416                        -font font_ui
3417        } elseif {[is_MacOSX]} {
3418                .mbar.repository add command \
3419                        -label {Create Desktop Icon} \
3420                        -command do_macosx_app \
3421                        -font font_ui
3422        }
3423}
3424
3425.mbar.repository add command -label Quit \
3426        -command do_quit \
3427        -accelerator $M1T-Q \
3428        -font font_ui
3429
3430# -- Edit Menu
3431#
3432menu .mbar.edit
3433.mbar.edit add command -label Undo \
3434        -command {catch {[focus] edit undo}} \
3435        -accelerator $M1T-Z \
3436        -font font_ui
3437.mbar.edit add command -label Redo \
3438        -command {catch {[focus] edit redo}} \
3439        -accelerator $M1T-Y \
3440        -font font_ui
3441.mbar.edit add separator
3442.mbar.edit add command -label Cut \
3443        -command {catch {tk_textCut [focus]}} \
3444        -accelerator $M1T-X \
3445        -font font_ui
3446.mbar.edit add command -label Copy \
3447        -command {catch {tk_textCopy [focus]}} \
3448        -accelerator $M1T-C \
3449        -font font_ui
3450.mbar.edit add command -label Paste \
3451        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3452        -accelerator $M1T-V \
3453        -font font_ui
3454.mbar.edit add command -label Delete \
3455        -command {catch {[focus] delete sel.first sel.last}} \
3456        -accelerator Del \
3457        -font font_ui
3458.mbar.edit add separator
3459.mbar.edit add command -label {Select All} \
3460        -command {catch {[focus] tag add sel 0.0 end}} \
3461        -accelerator $M1T-A \
3462        -font font_ui
3463
3464# -- Branch Menu
3465#
3466if {!$single_commit} {
3467        menu .mbar.branch
3468
3469        .mbar.branch add command -label {Create...} \
3470                -command do_create_branch \
3471                -accelerator $M1T-N \
3472                -font font_ui
3473        lappend disable_on_lock [list .mbar.branch entryconf \
3474                [.mbar.branch index last] -state]
3475
3476        .mbar.branch add command -label {Delete...} \
3477                -command do_delete_branch \
3478                -font font_ui
3479        lappend disable_on_lock [list .mbar.branch entryconf \
3480                [.mbar.branch index last] -state]
3481}
3482
3483# -- Commit Menu
3484#
3485menu .mbar.commit
3486
3487.mbar.commit add radiobutton \
3488        -label {New Commit} \
3489        -command do_select_commit_type \
3490        -variable selected_commit_type \
3491        -value new \
3492        -font font_ui
3493lappend disable_on_lock \
3494        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3495
3496.mbar.commit add radiobutton \
3497        -label {Amend Last Commit} \
3498        -command do_select_commit_type \
3499        -variable selected_commit_type \
3500        -value amend \
3501        -font font_ui
3502lappend disable_on_lock \
3503        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3504
3505.mbar.commit add separator
3506
3507.mbar.commit add command -label Rescan \
3508        -command do_rescan \
3509        -accelerator F5 \
3510        -font font_ui
3511lappend disable_on_lock \
3512        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3513
3514.mbar.commit add command -label {Add To Commit} \
3515        -command do_add_selection \
3516        -font font_ui
3517lappend disable_on_lock \
3518        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3519
3520.mbar.commit add command -label {Add All To Commit} \
3521        -command do_add_all \
3522        -accelerator $M1T-I \
3523        -font font_ui
3524lappend disable_on_lock \
3525        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3526
3527.mbar.commit add command -label {Unstage From Commit} \
3528        -command do_unstage_selection \
3529        -font font_ui
3530lappend disable_on_lock \
3531        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3532
3533.mbar.commit add command -label {Revert Changes} \
3534        -command do_revert_selection \
3535        -font font_ui
3536lappend disable_on_lock \
3537        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3538
3539.mbar.commit add separator
3540
3541.mbar.commit add command -label {Sign Off} \
3542        -command do_signoff \
3543        -accelerator $M1T-S \
3544        -font font_ui
3545
3546.mbar.commit add command -label Commit \
3547        -command do_commit \
3548        -accelerator $M1T-Return \
3549        -font font_ui
3550lappend disable_on_lock \
3551        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3552
3553# -- Transport menus
3554#
3555if {!$single_commit} {
3556        menu .mbar.fetch
3557        menu .mbar.pull
3558        menu .mbar.push
3559}
3560
3561if {[is_MacOSX]} {
3562        # -- Apple Menu (Mac OS X only)
3563        #
3564        .mbar add cascade -label Apple -menu .mbar.apple
3565        menu .mbar.apple
3566
3567        .mbar.apple add command -label "About [appname]" \
3568                -command do_about \
3569                -font font_ui
3570        .mbar.apple add command -label "[appname] Options..." \
3571                -command do_options \
3572                -font font_ui
3573} else {
3574        # -- Edit Menu
3575        #
3576        .mbar.edit add separator
3577        .mbar.edit add command -label {Options...} \
3578                -command do_options \
3579                -font font_ui
3580
3581        # -- Tools Menu
3582        #
3583        if {[file exists /usr/local/miga/lib/gui-miga]
3584                && [file exists .pvcsrc]} {
3585        proc do_miga {} {
3586                global ui_status_value
3587                if {![lock_index update]} return
3588                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3589                set miga_fd [open "|$cmd" r]
3590                fconfigure $miga_fd -blocking 0
3591                fileevent $miga_fd readable [list miga_done $miga_fd]
3592                set ui_status_value {Running miga...}
3593        }
3594        proc miga_done {fd} {
3595                read $fd 512
3596                if {[eof $fd]} {
3597                        close $fd
3598                        unlock_index
3599                        rescan [list set ui_status_value {Ready.}]
3600                }
3601        }
3602        .mbar add cascade -label Tools -menu .mbar.tools
3603        menu .mbar.tools
3604        .mbar.tools add command -label "Migrate" \
3605                -command do_miga \
3606                -font font_ui
3607        lappend disable_on_lock \
3608                [list .mbar.tools entryconf [.mbar.tools index last] -state]
3609        }
3610
3611        # -- Help Menu
3612        #
3613        .mbar add cascade -label Help -menu .mbar.help
3614        menu .mbar.help
3615
3616        .mbar.help add command -label "About [appname]" \
3617                -command do_about \
3618                -font font_ui
3619}
3620
3621
3622# -- Branch Control
3623#
3624frame .branch \
3625        -borderwidth 1 \
3626        -relief sunken
3627label .branch.l1 \
3628        -text {Current Branch:} \
3629        -anchor w \
3630        -justify left \
3631        -font font_ui
3632label .branch.cb \
3633        -textvariable current_branch \
3634        -anchor w \
3635        -justify left \
3636        -font font_ui
3637pack .branch.l1 -side left
3638pack .branch.cb -side left -fill x
3639pack .branch -side top -fill x
3640
3641# -- Main Window Layout
3642#
3643panedwindow .vpane -orient vertical
3644panedwindow .vpane.files -orient horizontal
3645.vpane add .vpane.files -sticky nsew -height 100 -width 400
3646pack .vpane -anchor n -side top -fill both -expand 1
3647
3648# -- Index File List
3649#
3650frame .vpane.files.index -height 100 -width 400
3651label .vpane.files.index.title -text {Changes To Be Committed} \
3652        -background green \
3653        -font font_ui
3654text $ui_index -background white -borderwidth 0 \
3655        -width 40 -height 10 \
3656        -font font_ui \
3657        -cursor $cursor_ptr \
3658        -yscrollcommand {.vpane.files.index.sb set} \
3659        -state disabled
3660scrollbar .vpane.files.index.sb -command [list $ui_index yview]
3661pack .vpane.files.index.title -side top -fill x
3662pack .vpane.files.index.sb -side right -fill y
3663pack $ui_index -side left -fill both -expand 1
3664.vpane.files add .vpane.files.index -sticky nsew
3665
3666# -- Working Directory File List
3667#
3668frame .vpane.files.workdir -height 100 -width 100
3669label .vpane.files.workdir.title -text {Changed But Not Updated} \
3670        -background red \
3671        -font font_ui
3672text $ui_workdir -background white -borderwidth 0 \
3673        -width 40 -height 10 \
3674        -font font_ui \
3675        -cursor $cursor_ptr \
3676        -yscrollcommand {.vpane.files.workdir.sb set} \
3677        -state disabled
3678scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
3679pack .vpane.files.workdir.title -side top -fill x
3680pack .vpane.files.workdir.sb -side right -fill y
3681pack $ui_workdir -side left -fill both -expand 1
3682.vpane.files add .vpane.files.workdir -sticky nsew
3683
3684foreach i [list $ui_index $ui_workdir] {
3685        $i tag conf in_diff -font font_uibold
3686        $i tag conf in_sel \
3687                -background [$i cget -foreground] \
3688                -foreground [$i cget -background]
3689}
3690unset i
3691
3692# -- Diff and Commit Area
3693#
3694frame .vpane.lower -height 300 -width 400
3695frame .vpane.lower.commarea
3696frame .vpane.lower.diff -relief sunken -borderwidth 1
3697pack .vpane.lower.commarea -side top -fill x
3698pack .vpane.lower.diff -side bottom -fill both -expand 1
3699.vpane add .vpane.lower -stick nsew
3700
3701# -- Commit Area Buttons
3702#
3703frame .vpane.lower.commarea.buttons
3704label .vpane.lower.commarea.buttons.l -text {} \
3705        -anchor w \
3706        -justify left \
3707        -font font_ui
3708pack .vpane.lower.commarea.buttons.l -side top -fill x
3709pack .vpane.lower.commarea.buttons -side left -fill y
3710
3711button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3712        -command do_rescan \
3713        -font font_ui
3714pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3715lappend disable_on_lock \
3716        {.vpane.lower.commarea.buttons.rescan conf -state}
3717
3718button .vpane.lower.commarea.buttons.incall -text {Add All} \
3719        -command do_add_all \
3720        -font font_ui
3721pack .vpane.lower.commarea.buttons.incall -side top -fill x
3722lappend disable_on_lock \
3723        {.vpane.lower.commarea.buttons.incall conf -state}
3724
3725button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3726        -command do_signoff \
3727        -font font_ui
3728pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3729
3730button .vpane.lower.commarea.buttons.commit -text {Commit} \
3731        -command do_commit \
3732        -font font_ui
3733pack .vpane.lower.commarea.buttons.commit -side top -fill x
3734lappend disable_on_lock \
3735        {.vpane.lower.commarea.buttons.commit conf -state}
3736
3737# -- Commit Message Buffer
3738#
3739frame .vpane.lower.commarea.buffer
3740frame .vpane.lower.commarea.buffer.header
3741set ui_comm .vpane.lower.commarea.buffer.t
3742set ui_coml .vpane.lower.commarea.buffer.header.l
3743radiobutton .vpane.lower.commarea.buffer.header.new \
3744        -text {New Commit} \
3745        -command do_select_commit_type \
3746        -variable selected_commit_type \
3747        -value new \
3748        -font font_ui
3749lappend disable_on_lock \
3750        [list .vpane.lower.commarea.buffer.header.new conf -state]
3751radiobutton .vpane.lower.commarea.buffer.header.amend \
3752        -text {Amend Last Commit} \
3753        -command do_select_commit_type \
3754        -variable selected_commit_type \
3755        -value amend \
3756        -font font_ui
3757lappend disable_on_lock \
3758        [list .vpane.lower.commarea.buffer.header.amend conf -state]
3759label $ui_coml \
3760        -anchor w \
3761        -justify left \
3762        -font font_ui
3763proc trace_commit_type {varname args} {
3764        global ui_coml commit_type
3765        switch -glob -- $commit_type {
3766        initial       {set txt {Initial Commit Message:}}
3767        amend         {set txt {Amended Commit Message:}}
3768        amend-initial {set txt {Amended Initial Commit Message:}}
3769        amend-merge   {set txt {Amended Merge Commit Message:}}
3770        merge         {set txt {Merge Commit Message:}}
3771        *             {set txt {Commit Message:}}
3772        }
3773        $ui_coml conf -text $txt
3774}
3775trace add variable commit_type write trace_commit_type
3776pack $ui_coml -side left -fill x
3777pack .vpane.lower.commarea.buffer.header.amend -side right
3778pack .vpane.lower.commarea.buffer.header.new -side right
3779
3780text $ui_comm -background white -borderwidth 1 \
3781        -undo true \
3782        -maxundo 20 \
3783        -autoseparators true \
3784        -relief sunken \
3785        -width 75 -height 9 -wrap none \
3786        -font font_diff \
3787        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3788scrollbar .vpane.lower.commarea.buffer.sby \
3789        -command [list $ui_comm yview]
3790pack .vpane.lower.commarea.buffer.header -side top -fill x
3791pack .vpane.lower.commarea.buffer.sby -side right -fill y
3792pack $ui_comm -side left -fill y
3793pack .vpane.lower.commarea.buffer -side left -fill y
3794
3795# -- Commit Message Buffer Context Menu
3796#
3797set ctxm .vpane.lower.commarea.buffer.ctxm
3798menu $ctxm -tearoff 0
3799$ctxm add command \
3800        -label {Cut} \
3801        -font font_ui \
3802        -command {tk_textCut $ui_comm}
3803$ctxm add command \
3804        -label {Copy} \
3805        -font font_ui \
3806        -command {tk_textCopy $ui_comm}
3807$ctxm add command \
3808        -label {Paste} \
3809        -font font_ui \
3810        -command {tk_textPaste $ui_comm}
3811$ctxm add command \
3812        -label {Delete} \
3813        -font font_ui \
3814        -command {$ui_comm delete sel.first sel.last}
3815$ctxm add separator
3816$ctxm add command \
3817        -label {Select All} \
3818        -font font_ui \
3819        -command {$ui_comm tag add sel 0.0 end}
3820$ctxm add command \
3821        -label {Copy All} \
3822        -font font_ui \
3823        -command {
3824                $ui_comm tag add sel 0.0 end
3825                tk_textCopy $ui_comm
3826                $ui_comm tag remove sel 0.0 end
3827        }
3828$ctxm add separator
3829$ctxm add command \
3830        -label {Sign Off} \
3831        -font font_ui \
3832        -command do_signoff
3833bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3834
3835# -- Diff Header
3836#
3837set current_diff_path {}
3838set diff_actions [list]
3839proc trace_current_diff_path {varname args} {
3840        global current_diff_path diff_actions file_states
3841        if {$current_diff_path eq {}} {
3842                set s {}
3843                set f {}
3844                set p {}
3845                set o disabled
3846        } else {
3847                set p $current_diff_path
3848                set s [mapdesc [lindex $file_states($p) 0] $p]
3849                set f {File:}
3850                set p [escape_path $p]
3851                set o normal
3852        }
3853
3854        .vpane.lower.diff.header.status configure -text $s
3855        .vpane.lower.diff.header.file configure -text $f
3856        .vpane.lower.diff.header.path configure -text $p
3857        foreach w $diff_actions {
3858                uplevel #0 $w $o
3859        }
3860}
3861trace add variable current_diff_path write trace_current_diff_path
3862
3863frame .vpane.lower.diff.header -background orange
3864label .vpane.lower.diff.header.status \
3865        -background orange \
3866        -width $max_status_desc \
3867        -anchor w \
3868        -justify left \
3869        -font font_ui
3870label .vpane.lower.diff.header.file \
3871        -background orange \
3872        -anchor w \
3873        -justify left \
3874        -font font_ui
3875label .vpane.lower.diff.header.path \
3876        -background orange \
3877        -anchor w \
3878        -justify left \
3879        -font font_ui
3880pack .vpane.lower.diff.header.status -side left
3881pack .vpane.lower.diff.header.file -side left
3882pack .vpane.lower.diff.header.path -fill x
3883set ctxm .vpane.lower.diff.header.ctxm
3884menu $ctxm -tearoff 0
3885$ctxm add command \
3886        -label {Copy} \
3887        -font font_ui \
3888        -command {
3889                clipboard clear
3890                clipboard append \
3891                        -format STRING \
3892                        -type STRING \
3893                        -- $current_diff_path
3894        }
3895lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3896bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3897
3898# -- Diff Body
3899#
3900frame .vpane.lower.diff.body
3901set ui_diff .vpane.lower.diff.body.t
3902text $ui_diff -background white -borderwidth 0 \
3903        -width 80 -height 15 -wrap none \
3904        -font font_diff \
3905        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3906        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3907        -state disabled
3908scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3909        -command [list $ui_diff xview]
3910scrollbar .vpane.lower.diff.body.sby -orient vertical \
3911        -command [list $ui_diff yview]
3912pack .vpane.lower.diff.body.sbx -side bottom -fill x
3913pack .vpane.lower.diff.body.sby -side right -fill y
3914pack $ui_diff -side left -fill both -expand 1
3915pack .vpane.lower.diff.header -side top -fill x
3916pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3917
3918$ui_diff tag conf d_@ -font font_diffbold
3919$ui_diff tag conf d_+ -foreground blue
3920$ui_diff tag conf d_- -foreground red
3921
3922$ui_diff tag conf d_++ -foreground blue
3923$ui_diff tag conf d_-- -foreground red
3924$ui_diff tag conf d_+s \
3925        -foreground blue \
3926        -background azure2
3927$ui_diff tag conf d_-s \
3928        -foreground red \
3929        -background azure2
3930$ui_diff tag conf d_s+ \
3931        -foreground blue \
3932        -background {light goldenrod yellow}
3933$ui_diff tag conf d_s- \
3934        -foreground red \
3935        -background {light goldenrod yellow}
3936
3937$ui_diff tag conf d<<<<<<< \
3938        -foreground orange \
3939        -font font_diffbold
3940$ui_diff tag conf d======= \
3941        -foreground orange \
3942        -font font_diffbold
3943$ui_diff tag conf d>>>>>>> \
3944        -foreground orange \
3945        -font font_diffbold
3946
3947# -- Diff Body Context Menu
3948#
3949set ctxm .vpane.lower.diff.body.ctxm
3950menu $ctxm -tearoff 0
3951$ctxm add command \
3952        -label {Refresh} \
3953        -font font_ui \
3954        -command reshow_diff
3955$ctxm add command \
3956        -label {Copy} \
3957        -font font_ui \
3958        -command {tk_textCopy $ui_diff}
3959lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3960$ctxm add command \
3961        -label {Select All} \
3962        -font font_ui \
3963        -command {$ui_diff tag add sel 0.0 end}
3964lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3965$ctxm add command \
3966        -label {Copy All} \
3967        -font font_ui \
3968        -command {
3969                $ui_diff tag add sel 0.0 end
3970                tk_textCopy $ui_diff
3971                $ui_diff tag remove sel 0.0 end
3972        }
3973lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3974$ctxm add separator
3975$ctxm add command \
3976        -label {Decrease Font Size} \
3977        -font font_ui \
3978        -command {incr_font_size font_diff -1}
3979lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3980$ctxm add command \
3981        -label {Increase Font Size} \
3982        -font font_ui \
3983        -command {incr_font_size font_diff 1}
3984lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3985$ctxm add separator
3986$ctxm add command \
3987        -label {Show Less Context} \
3988        -font font_ui \
3989        -command {if {$repo_config(gui.diffcontext) >= 2} {
3990                incr repo_config(gui.diffcontext) -1
3991                reshow_diff
3992        }}
3993lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3994$ctxm add command \
3995        -label {Show More Context} \
3996        -font font_ui \
3997        -command {
3998                incr repo_config(gui.diffcontext)
3999                reshow_diff
4000        }
4001lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4002$ctxm add separator
4003$ctxm add command -label {Options...} \
4004        -font font_ui \
4005        -command do_options
4006bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
4007
4008# -- Status Bar
4009#
4010set ui_status_value {Initializing...}
4011label .status -textvariable ui_status_value \
4012        -anchor w \
4013        -justify left \
4014        -borderwidth 1 \
4015        -relief sunken \
4016        -font font_ui
4017pack .status -anchor w -side bottom -fill x
4018
4019# -- Load geometry
4020#
4021catch {
4022set gm $repo_config(gui.geometry)
4023wm geometry . [lindex $gm 0]
4024.vpane sash place 0 \
4025        [lindex [.vpane sash coord 0] 0] \
4026        [lindex $gm 1]
4027.vpane.files sash place 0 \
4028        [lindex $gm 2] \
4029        [lindex [.vpane.files sash coord 0] 1]
4030unset gm
4031}
4032
4033# -- Key Bindings
4034#
4035bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4036bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4037bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4038bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4039bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4040bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4041bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4042bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4043bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4044bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4045bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4046
4047bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4048bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4049bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4050bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4051bind $ui_diff <$M1B-Key-v> {break}
4052bind $ui_diff <$M1B-Key-V> {break}
4053bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4054bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4055bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4056bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4057bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4058bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4059
4060if {!$single_commit} {
4061        bind . <$M1B-Key-n> do_create_branch
4062        bind . <$M1B-Key-N> do_create_branch
4063}
4064
4065bind .   <Destroy> do_quit
4066bind all <Key-F5> do_rescan
4067bind all <$M1B-Key-r> do_rescan
4068bind all <$M1B-Key-R> do_rescan
4069bind .   <$M1B-Key-s> do_signoff
4070bind .   <$M1B-Key-S> do_signoff
4071bind .   <$M1B-Key-i> do_add_all
4072bind .   <$M1B-Key-I> do_add_all
4073bind .   <$M1B-Key-Return> do_commit
4074bind all <$M1B-Key-q> do_quit
4075bind all <$M1B-Key-Q> do_quit
4076bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4077bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4078foreach i [list $ui_index $ui_workdir] {
4079        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4080        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4081        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4082}
4083unset i
4084
4085set file_lists($ui_index) [list]
4086set file_lists($ui_workdir) [list]
4087
4088set HEAD {}
4089set PARENT {}
4090set MERGE_HEAD [list]
4091set commit_type {}
4092set empty_tree {}
4093set current_branch {}
4094set current_diff_path {}
4095set selected_commit_type new
4096
4097wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4098focus -force $ui_comm
4099
4100# -- Warn the user about environmental problems.  Cygwin's Tcl
4101#    does *not* pass its env array onto any processes it spawns.
4102#    This means that git processes get none of our environment.
4103#
4104if {[is_Windows]} {
4105        set ignored_env 0
4106        set suggest_user {}
4107        set msg "Possible environment issues exist.
4108
4109The following environment variables are probably
4110going to be ignored by any Git subprocess run
4111by [appname]:
4112
4113"
4114        foreach name [array names env] {
4115                switch -regexp -- $name {
4116                {^GIT_INDEX_FILE$} -
4117                {^GIT_OBJECT_DIRECTORY$} -
4118                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4119                {^GIT_DIFF_OPTS$} -
4120                {^GIT_EXTERNAL_DIFF$} -
4121                {^GIT_PAGER$} -
4122                {^GIT_TRACE$} -
4123                {^GIT_CONFIG$} -
4124                {^GIT_CONFIG_LOCAL$} -
4125                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4126                        append msg " - $name\n"
4127                        incr ignored_env
4128                }
4129                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4130                        append msg " - $name\n"
4131                        incr ignored_env
4132                        set suggest_user $name
4133                }
4134                }
4135        }
4136        if {$ignored_env > 0} {
4137                append msg "
4138This is due to a known issue with the
4139Tcl binary distributed by Cygwin."
4140
4141                if {$suggest_user ne {}} {
4142                        append msg "
4143
4144A good replacement for $suggest_user
4145is placing values for the user.name and
4146user.email settings into your personal
4147~/.gitconfig file.
4148"
4149                }
4150                warn_popup $msg
4151        }
4152        unset ignored_env msg suggest_user name
4153}
4154
4155# -- Only initialize complex UI if we are going to stay running.
4156#
4157if {!$single_commit} {
4158        load_all_remotes
4159        load_all_heads
4160
4161        populate_branch_menu
4162        populate_fetch_menu .mbar.fetch
4163        populate_pull_menu .mbar.pull
4164        populate_push_menu .mbar.push
4165}
4166
4167# -- Only suggest a gc run if we are going to stay running.
4168#
4169if {!$single_commit} {
4170        set object_limit 2000
4171        if {[is_Windows]} {set object_limit 200}
4172        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4173        if {$objects_current >= $object_limit} {
4174                if {[ask_popup \
4175                        "This repository currently has $objects_current loose objects.
4176
4177To maintain optimal performance it is strongly
4178recommended that you compress the database
4179when more than $object_limit loose objects exist.
4180
4181Compress the database now?"] eq yes} {
4182                        do_gc
4183                }
4184        }
4185        unset object_limit _junk objects_current
4186}
4187
4188lock_index begin-read
4189after 1 do_rescan