git-gui.shon commit git-gui: Let users abort with `reset --hard` type logic. (ce9735d)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GIT_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _reponame {}
  30
  31proc appname {} {
  32        global _appname
  33        return $_appname
  34}
  35
  36proc gitdir {args} {
  37        global _gitdir
  38        if {$args eq {}} {
  39                return $_gitdir
  40        }
  41        return [eval [concat [list file join $_gitdir] $args]]
  42}
  43
  44proc reponame {} {
  45        global _reponame
  46        return $_reponame
  47}
  48
  49######################################################################
  50##
  51## config
  52
  53proc is_many_config {name} {
  54        switch -glob -- $name {
  55        remote.*.fetch -
  56        remote.*.push
  57                {return 1}
  58        *
  59                {return 0}
  60        }
  61}
  62
  63proc load_config {include_global} {
  64        global repo_config global_config default_config
  65
  66        array unset global_config
  67        if {$include_global} {
  68                catch {
  69                        set fd_rc [open "| git repo-config --global --list" r]
  70                        while {[gets $fd_rc line] >= 0} {
  71                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  72                                        if {[is_many_config $name]} {
  73                                                lappend global_config($name) $value
  74                                        } else {
  75                                                set global_config($name) $value
  76                                        }
  77                                }
  78                        }
  79                        close $fd_rc
  80                }
  81        }
  82
  83        array unset repo_config
  84        catch {
  85                set fd_rc [open "| git repo-config --list" r]
  86                while {[gets $fd_rc line] >= 0} {
  87                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
  88                                if {[is_many_config $name]} {
  89                                        lappend repo_config($name) $value
  90                                } else {
  91                                        set repo_config($name) $value
  92                                }
  93                        }
  94                }
  95                close $fd_rc
  96        }
  97
  98        foreach name [array names default_config] {
  99                if {[catch {set v $global_config($name)}]} {
 100                        set global_config($name) $default_config($name)
 101                }
 102                if {[catch {set v $repo_config($name)}]} {
 103                        set repo_config($name) $default_config($name)
 104                }
 105        }
 106}
 107
 108proc save_config {} {
 109        global default_config font_descs
 110        global repo_config global_config
 111        global repo_config_new global_config_new
 112
 113        foreach option $font_descs {
 114                set name [lindex $option 0]
 115                set font [lindex $option 1]
 116                font configure $font \
 117                        -family $global_config_new(gui.$font^^family) \
 118                        -size $global_config_new(gui.$font^^size)
 119                font configure ${font}bold \
 120                        -family $global_config_new(gui.$font^^family) \
 121                        -size $global_config_new(gui.$font^^size)
 122                set global_config_new(gui.$name) [font configure $font]
 123                unset global_config_new(gui.$font^^family)
 124                unset global_config_new(gui.$font^^size)
 125        }
 126
 127        foreach name [array names default_config] {
 128                set value $global_config_new($name)
 129                if {$value ne $global_config($name)} {
 130                        if {$value eq $default_config($name)} {
 131                                catch {exec git repo-config --global --unset $name}
 132                        } else {
 133                                regsub -all "\[{}\]" $value {"} value
 134                                exec git repo-config --global $name $value
 135                        }
 136                        set global_config($name) $value
 137                        if {$value eq $repo_config($name)} {
 138                                catch {exec git repo-config --unset $name}
 139                                set repo_config($name) $value
 140                        }
 141                }
 142        }
 143
 144        foreach name [array names default_config] {
 145                set value $repo_config_new($name)
 146                if {$value ne $repo_config($name)} {
 147                        if {$value eq $global_config($name)} {
 148                                catch {exec git repo-config --unset $name}
 149                        } else {
 150                                regsub -all "\[{}\]" $value {"} value
 151                                exec git repo-config $name $value
 152                        }
 153                        set repo_config($name) $value
 154                }
 155        }
 156}
 157
 158proc error_popup {msg} {
 159        set title [appname]
 160        if {[reponame] ne {}} {
 161                append title " ([reponame])"
 162        }
 163        set cmd [list tk_messageBox \
 164                -icon error \
 165                -type ok \
 166                -title "$title: error" \
 167                -message $msg]
 168        if {[winfo ismapped .]} {
 169                lappend cmd -parent .
 170        }
 171        eval $cmd
 172}
 173
 174proc warn_popup {msg} {
 175        set title [appname]
 176        if {[reponame] ne {}} {
 177                append title " ([reponame])"
 178        }
 179        set cmd [list tk_messageBox \
 180                -icon warning \
 181                -type ok \
 182                -title "$title: warning" \
 183                -message $msg]
 184        if {[winfo ismapped .]} {
 185                lappend cmd -parent .
 186        }
 187        eval $cmd
 188}
 189
 190proc info_popup {msg} {
 191        set title [appname]
 192        if {[reponame] ne {}} {
 193                append title " ([reponame])"
 194        }
 195        tk_messageBox \
 196                -parent . \
 197                -icon info \
 198                -type ok \
 199                -title $title \
 200                -message $msg
 201}
 202
 203proc ask_popup {msg} {
 204        set title [appname]
 205        if {[reponame] ne {}} {
 206                append title " ([reponame])"
 207        }
 208        return [tk_messageBox \
 209                -parent . \
 210                -icon question \
 211                -type yesno \
 212                -title $title \
 213                -message $msg]
 214}
 215
 216######################################################################
 217##
 218## repository setup
 219
 220if {   [catch {set _gitdir $env(GIT_DIR)}]
 221        && [catch {set _gitdir [exec git rev-parse --git-dir]} err]} {
 222        catch {wm withdraw .}
 223        error_popup "Cannot find the git directory:\n\n$err"
 224        exit 1
 225}
 226if {![file isdirectory $_gitdir]} {
 227        catch {wm withdraw .}
 228        error_popup "Git directory not found:\n\n$_gitdir"
 229        exit 1
 230}
 231if {[lindex [file split $_gitdir] end] ne {.git}} {
 232        catch {wm withdraw .}
 233        error_popup "Cannot use funny .git directory:\n\n$gitdir"
 234        exit 1
 235}
 236if {[catch {cd [file dirname $_gitdir]} err]} {
 237        catch {wm withdraw .}
 238        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 239        exit 1
 240}
 241set _reponame [lindex [file split \
 242        [file normalize [file dirname $_gitdir]]] \
 243        end]
 244
 245set single_commit 0
 246if {[appname] eq {git-citool}} {
 247        set single_commit 1
 248}
 249
 250######################################################################
 251##
 252## task management
 253
 254set rescan_active 0
 255set diff_active 0
 256set last_clicked {}
 257
 258set disable_on_lock [list]
 259set index_lock_type none
 260
 261proc lock_index {type} {
 262        global index_lock_type disable_on_lock
 263
 264        if {$index_lock_type eq {none}} {
 265                set index_lock_type $type
 266                foreach w $disable_on_lock {
 267                        uplevel #0 $w disabled
 268                }
 269                return 1
 270        } elseif {$index_lock_type eq "begin-$type"} {
 271                set index_lock_type $type
 272                return 1
 273        }
 274        return 0
 275}
 276
 277proc unlock_index {} {
 278        global index_lock_type disable_on_lock
 279
 280        set index_lock_type none
 281        foreach w $disable_on_lock {
 282                uplevel #0 $w normal
 283        }
 284}
 285
 286######################################################################
 287##
 288## status
 289
 290proc repository_state {ctvar hdvar mhvar} {
 291        global current_branch
 292        upvar $ctvar ct $hdvar hd $mhvar mh
 293
 294        set mh [list]
 295
 296        if {[catch {set current_branch [exec git symbolic-ref HEAD]}]} {
 297                set current_branch {}
 298        } else {
 299                regsub ^refs/((heads|tags|remotes)/)? \
 300                        $current_branch \
 301                        {} \
 302                        current_branch
 303        }
 304
 305        if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
 306                set hd {}
 307                set ct initial
 308                return
 309        }
 310
 311        set merge_head [gitdir MERGE_HEAD]
 312        if {[file exists $merge_head]} {
 313                set ct merge
 314                set fd_mh [open $merge_head r]
 315                while {[gets $fd_mh line] >= 0} {
 316                        lappend mh $line
 317                }
 318                close $fd_mh
 319                return
 320        }
 321
 322        set ct normal
 323}
 324
 325proc PARENT {} {
 326        global PARENT empty_tree
 327
 328        set p [lindex $PARENT 0]
 329        if {$p ne {}} {
 330                return $p
 331        }
 332        if {$empty_tree eq {}} {
 333                set empty_tree [exec git mktree << {}]
 334        }
 335        return $empty_tree
 336}
 337
 338proc rescan {after {honor_trustmtime 1}} {
 339        global HEAD PARENT MERGE_HEAD commit_type
 340        global ui_index ui_workdir ui_status_value ui_comm
 341        global rescan_active file_states
 342        global repo_config
 343
 344        if {$rescan_active > 0 || ![lock_index read]} return
 345
 346        repository_state newType newHEAD newMERGE_HEAD
 347        if {[string match amend* $commit_type]
 348                && $newType eq {normal}
 349                && $newHEAD eq $HEAD} {
 350        } else {
 351                set HEAD $newHEAD
 352                set PARENT $newHEAD
 353                set MERGE_HEAD $newMERGE_HEAD
 354                set commit_type $newType
 355        }
 356
 357        array unset file_states
 358
 359        if {![$ui_comm edit modified]
 360                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                if {[load_message GITGUI_MSG]} {
 362                } elseif {[load_message MERGE_MSG]} {
 363                } elseif {[load_message SQUASH_MSG]} {
 364                }
 365                $ui_comm edit reset
 366                $ui_comm edit modified false
 367        }
 368
 369        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
 370                rescan_stage2 {} $after
 371        } else {
 372                set rescan_active 1
 373                set ui_status_value {Refreshing file status...}
 374                set cmd [list git update-index]
 375                lappend cmd -q
 376                lappend cmd --unmerged
 377                lappend cmd --ignore-missing
 378                lappend cmd --refresh
 379                set fd_rf [open "| $cmd" r]
 380                fconfigure $fd_rf -blocking 0 -translation binary
 381                fileevent $fd_rf readable \
 382                        [list rescan_stage2 $fd_rf $after]
 383        }
 384}
 385
 386proc rescan_stage2 {fd after} {
 387        global ui_status_value
 388        global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390        if {$fd ne {}} {
 391                read $fd
 392                if {![eof $fd]} return
 393                close $fd
 394        }
 395
 396        set ls_others [list | git ls-files --others -z \
 397                --exclude-per-directory=.gitignore]
 398        set info_exclude [gitdir info exclude]
 399        if {[file readable $info_exclude]} {
 400                lappend ls_others "--exclude-from=$info_exclude"
 401        }
 402
 403        set buf_rdi {}
 404        set buf_rdf {}
 405        set buf_rlo {}
 406
 407        set rescan_active 3
 408        set ui_status_value {Scanning for modified files ...}
 409        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410        set fd_df [open "| git diff-files -z" r]
 411        set fd_lo [open $ls_others r]
 412
 413        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
 414        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
 415        fconfigure $fd_lo -blocking 0 -translation binary -encoding 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 $fd
 431                regsub -all -line {[ \r\t]+$} $content {} content
 432                $ui_comm delete 0.0 end
 433                $ui_comm insert end $content
 434                return 1
 435        }
 436        return 0
 437}
 438
 439proc read_diff_index {fd after} {
 440        global buf_rdi
 441
 442        append buf_rdi [read $fd]
 443        set c 0
 444        set n [string length $buf_rdi]
 445        while {$c < $n} {
 446                set z1 [string first "\0" $buf_rdi $c]
 447                if {$z1 == -1} break
 448                incr z1
 449                set z2 [string first "\0" $buf_rdi $z1]
 450                if {$z2 == -1} break
 451
 452                incr c
 453                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 454                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
 455                merge_state \
 456                        [encoding convertfrom $p] \
 457                        [lindex $i 4]? \
 458                        [list [lindex $i 0] [lindex $i 2]] \
 459                        [list]
 460                set c $z2
 461                incr c
 462        }
 463        if {$c < $n} {
 464                set buf_rdi [string range $buf_rdi $c end]
 465        } else {
 466                set buf_rdi {}
 467        }
 468
 469        rescan_done $fd buf_rdi $after
 470}
 471
 472proc read_diff_files {fd after} {
 473        global buf_rdf
 474
 475        append buf_rdf [read $fd]
 476        set c 0
 477        set n [string length $buf_rdf]
 478        while {$c < $n} {
 479                set z1 [string first "\0" $buf_rdf $c]
 480                if {$z1 == -1} break
 481                incr z1
 482                set z2 [string first "\0" $buf_rdf $z1]
 483                if {$z2 == -1} break
 484
 485                incr c
 486                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 487                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
 488                merge_state \
 489                        [encoding convertfrom $p] \
 490                        ?[lindex $i 4] \
 491                        [list] \
 492                        [list [lindex $i 0] [lindex $i 2]]
 493                set c $z2
 494                incr c
 495        }
 496        if {$c < $n} {
 497                set buf_rdf [string range $buf_rdf $c end]
 498        } else {
 499                set buf_rdf {}
 500        }
 501
 502        rescan_done $fd buf_rdf $after
 503}
 504
 505proc read_ls_others {fd after} {
 506        global buf_rlo
 507
 508        append buf_rlo [read $fd]
 509        set pck [split $buf_rlo "\0"]
 510        set buf_rlo [lindex $pck end]
 511        foreach p [lrange $pck 0 end-1] {
 512                merge_state [encoding convertfrom $p] ?O
 513        }
 514        rescan_done $fd buf_rlo $after
 515}
 516
 517proc rescan_done {fd buf after} {
 518        global rescan_active
 519        global file_states repo_config
 520        upvar $buf to_clear
 521
 522        if {![eof $fd]} return
 523        set to_clear {}
 524        close $fd
 525        if {[incr rescan_active -1] > 0} return
 526
 527        prune_selection
 528        unlock_index
 529        display_all_files
 530        reshow_diff
 531        uplevel #0 $after
 532}
 533
 534proc prune_selection {} {
 535        global file_states selected_paths
 536
 537        foreach path [array names selected_paths] {
 538                if {[catch {set still_here $file_states($path)}]} {
 539                        unset selected_paths($path)
 540                }
 541        }
 542}
 543
 544######################################################################
 545##
 546## diff
 547
 548proc clear_diff {} {
 549        global ui_diff current_diff_path current_diff_header
 550        global ui_index ui_workdir
 551
 552        $ui_diff conf -state normal
 553        $ui_diff delete 0.0 end
 554        $ui_diff conf -state disabled
 555
 556        set current_diff_path {}
 557        set current_diff_header {}
 558
 559        $ui_index tag remove in_diff 0.0 end
 560        $ui_workdir tag remove in_diff 0.0 end
 561}
 562
 563proc reshow_diff {} {
 564        global ui_status_value file_states file_lists
 565        global current_diff_path current_diff_side
 566
 567        set p $current_diff_path
 568        if {$p eq {}
 569                || $current_diff_side eq {}
 570                || [catch {set s $file_states($p)}]
 571                || [lsearch -sorted -exact $file_lists($current_diff_side) $p] == -1} {
 572                clear_diff
 573        } else {
 574                show_diff $p $current_diff_side
 575        }
 576}
 577
 578proc handle_empty_diff {} {
 579        global current_diff_path file_states file_lists
 580
 581        set path $current_diff_path
 582        set s $file_states($path)
 583        if {[lindex $s 0] ne {_M}} return
 584
 585        info_popup "No differences detected.
 586
 587[short_path $path] has no changes.
 588
 589The modification date of this file was updated
 590by another application, but the content within
 591the file was not changed.
 592
 593A rescan will be automatically started to find
 594other files which may have the same state."
 595
 596        clear_diff
 597        display_file $path __
 598        rescan {set ui_status_value {Ready.}} 0
 599}
 600
 601proc show_diff {path w {lno {}}} {
 602        global file_states file_lists
 603        global is_3way_diff diff_active repo_config
 604        global ui_diff ui_status_value ui_index ui_workdir
 605        global current_diff_path current_diff_side current_diff_header
 606
 607        if {$diff_active || ![lock_index read]} return
 608
 609        clear_diff
 610        if {$lno == {}} {
 611                set lno [lsearch -sorted -exact $file_lists($w) $path]
 612                if {$lno >= 0} {
 613                        incr lno
 614                }
 615        }
 616        if {$lno >= 1} {
 617                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 618        }
 619
 620        set s $file_states($path)
 621        set m [lindex $s 0]
 622        set is_3way_diff 0
 623        set diff_active 1
 624        set current_diff_path $path
 625        set current_diff_side $w
 626        set current_diff_header {}
 627        set ui_status_value "Loading diff of [escape_path $path]..."
 628
 629        # - Git won't give us the diff, there's nothing to compare to!
 630        #
 631        if {$m eq {_O}} {
 632                set max_sz [expr {128 * 1024}]
 633                if {[catch {
 634                                set fd [open $path r]
 635                                set content [read $fd $max_sz]
 636                                close $fd
 637                                set sz [file size $path]
 638                        } err ]} {
 639                        set diff_active 0
 640                        unlock_index
 641                        set ui_status_value "Unable to display [escape_path $path]"
 642                        error_popup "Error loading file:\n\n$err"
 643                        return
 644                }
 645                $ui_diff conf -state normal
 646                if {![catch {set type [exec file $path]}]} {
 647                        set n [string length $path]
 648                        if {[string equal -length $n $path $type]} {
 649                                set type [string range $type $n end]
 650                                regsub {^:?\s*} $type {} type
 651                        }
 652                        $ui_diff insert end "* $type\n" d_@
 653                }
 654                if {[string first "\0" $content] != -1} {
 655                        $ui_diff insert end \
 656                                "* Binary file (not showing content)." \
 657                                d_@
 658                } else {
 659                        if {$sz > $max_sz} {
 660                                $ui_diff insert end \
 661"* Untracked file is $sz bytes.
 662* Showing only first $max_sz bytes.
 663" d_@
 664                        }
 665                        $ui_diff insert end $content
 666                        if {$sz > $max_sz} {
 667                                $ui_diff insert end "
 668* Untracked file clipped here by [appname].
 669* To see the entire file, use an external editor.
 670" d_@
 671                        }
 672                }
 673                $ui_diff conf -state disabled
 674                set diff_active 0
 675                unlock_index
 676                set ui_status_value {Ready.}
 677                return
 678        }
 679
 680        set cmd [list | git]
 681        if {$w eq $ui_index} {
 682                lappend cmd diff-index
 683                lappend cmd --cached
 684        } elseif {$w eq $ui_workdir} {
 685                if {[string index $m 0] eq {U}} {
 686                        lappend cmd diff
 687                } else {
 688                        lappend cmd diff-files
 689                }
 690        }
 691
 692        lappend cmd -p
 693        lappend cmd --no-color
 694        if {$repo_config(gui.diffcontext) > 0} {
 695                lappend cmd "-U$repo_config(gui.diffcontext)"
 696        }
 697        if {$w eq $ui_index} {
 698                lappend cmd [PARENT]
 699        }
 700        lappend cmd --
 701        lappend cmd $path
 702
 703        if {[catch {set fd [open $cmd r]} err]} {
 704                set diff_active 0
 705                unlock_index
 706                set ui_status_value "Unable to display [escape_path $path]"
 707                error_popup "Error loading diff:\n\n$err"
 708                return
 709        }
 710
 711        fconfigure $fd \
 712                -blocking 0 \
 713                -encoding binary \
 714                -translation binary
 715        fileevent $fd readable [list read_diff $fd]
 716}
 717
 718proc read_diff {fd} {
 719        global ui_diff ui_status_value diff_active
 720        global is_3way_diff current_diff_header
 721
 722        $ui_diff conf -state normal
 723        while {[gets $fd line] >= 0} {
 724                # -- Cleanup uninteresting diff header lines.
 725                #
 726                if {   [string match {diff --git *}      $line]
 727                        || [string match {diff --cc *}       $line]
 728                        || [string match {diff --combined *} $line]
 729                        || [string match {--- *}             $line]
 730                        || [string match {+++ *}             $line]} {
 731                        append current_diff_header $line "\n"
 732                        continue
 733                }
 734                if {[string match {index *} $line]} continue
 735                if {$line eq {deleted file mode 120000}} {
 736                        set line "deleted symlink"
 737                }
 738
 739                # -- Automatically detect if this is a 3 way diff.
 740                #
 741                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 742
 743                if {[string match {mode *} $line]
 744                        || [string match {new file *} $line]
 745                        || [string match {deleted file *} $line]
 746                        || [string match {Binary files * and * differ} $line]
 747                        || $line eq {\ No newline at end of file}
 748                        || [regexp {^\* Unmerged path } $line]} {
 749                        set tags {}
 750                } elseif {$is_3way_diff} {
 751                        set op [string range $line 0 1]
 752                        switch -- $op {
 753                        {  } {set tags {}}
 754                        {@@} {set tags d_@}
 755                        { +} {set tags d_s+}
 756                        { -} {set tags d_s-}
 757                        {+ } {set tags d_+s}
 758                        {- } {set tags d_-s}
 759                        {--} {set tags d_--}
 760                        {++} {
 761                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 762                                        set line [string replace $line 0 1 {  }]
 763                                        set tags d$op
 764                                } else {
 765                                        set tags d_++
 766                                }
 767                        }
 768                        default {
 769                                puts "error: Unhandled 3 way diff marker: {$op}"
 770                                set tags {}
 771                        }
 772                        }
 773                } else {
 774                        set op [string index $line 0]
 775                        switch -- $op {
 776                        { } {set tags {}}
 777                        {@} {set tags d_@}
 778                        {-} {set tags d_-}
 779                        {+} {
 780                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 781                                        set line [string replace $line 0 0 { }]
 782                                        set tags d$op
 783                                } else {
 784                                        set tags d_+
 785                                }
 786                        }
 787                        default {
 788                                puts "error: Unhandled 2 way diff marker: {$op}"
 789                                set tags {}
 790                        }
 791                        }
 792                }
 793                $ui_diff insert end $line $tags
 794                if {[string index $line end] eq "\r"} {
 795                        $ui_diff tag add d_cr {end - 2c}
 796                }
 797                $ui_diff insert end "\n" $tags
 798        }
 799        $ui_diff conf -state disabled
 800
 801        if {[eof $fd]} {
 802                close $fd
 803                set diff_active 0
 804                unlock_index
 805                set ui_status_value {Ready.}
 806
 807                if {[$ui_diff index end] eq {2.0}} {
 808                        handle_empty_diff
 809                }
 810        }
 811}
 812
 813proc apply_hunk {x y} {
 814        global current_diff_path current_diff_header current_diff_side
 815        global ui_diff ui_index file_states
 816
 817        if {$current_diff_path eq {} || $current_diff_header eq {}} return
 818        if {![lock_index apply_hunk]} return
 819
 820        set apply_cmd {git apply --cached --whitespace=nowarn}
 821        set mi [lindex $file_states($current_diff_path) 0]
 822        if {$current_diff_side eq $ui_index} {
 823                set mode unstage
 824                lappend apply_cmd --reverse
 825                if {[string index $mi 0] ne {M}} {
 826                        unlock_index
 827                        return
 828                }
 829        } else {
 830                set mode stage
 831                if {[string index $mi 1] ne {M}} {
 832                        unlock_index
 833                        return
 834                }
 835        }
 836
 837        set s_lno [lindex [split [$ui_diff index @$x,$y] .] 0]
 838        set s_lno [$ui_diff search -backwards -regexp ^@@ $s_lno.0 0.0]
 839        if {$s_lno eq {}} {
 840                unlock_index
 841                return
 842        }
 843
 844        set e_lno [$ui_diff search -forwards -regexp ^@@ "$s_lno + 1 lines" end]
 845        if {$e_lno eq {}} {
 846                set e_lno end
 847        }
 848
 849        if {[catch {
 850                set p [open "| $apply_cmd" w]
 851                fconfigure $p -translation binary -encoding binary
 852                puts -nonewline $p $current_diff_header
 853                puts -nonewline $p [$ui_diff get $s_lno $e_lno]
 854                close $p} err]} {
 855                error_popup "Failed to $mode selected hunk.\n\n$err"
 856                unlock_index
 857                return
 858        }
 859
 860        $ui_diff conf -state normal
 861        $ui_diff delete $s_lno $e_lno
 862        $ui_diff conf -state disabled
 863
 864        if {[$ui_diff get 1.0 end] eq "\n"} {
 865                set o _
 866        } else {
 867                set o ?
 868        }
 869
 870        if {$current_diff_side eq $ui_index} {
 871                set mi ${o}M
 872        } elseif {[string index $mi 0] eq {_}} {
 873                set mi M$o
 874        } else {
 875                set mi ?$o
 876        }
 877        unlock_index
 878        display_file $current_diff_path $mi
 879        if {$o eq {_}} {
 880                clear_diff
 881        }
 882}
 883
 884######################################################################
 885##
 886## commit
 887
 888proc load_last_commit {} {
 889        global HEAD PARENT MERGE_HEAD commit_type ui_comm
 890        global repo_config
 891
 892        if {[llength $PARENT] == 0} {
 893                error_popup {There is nothing to amend.
 894
 895You are about to create the initial commit.
 896There is no commit before this to amend.
 897}
 898                return
 899        }
 900
 901        repository_state curType curHEAD curMERGE_HEAD
 902        if {$curType eq {merge}} {
 903                error_popup {Cannot amend while merging.
 904
 905You are currently in the middle of a merge that
 906has not been fully completed.  You cannot amend
 907the prior commit unless you first abort the
 908current merge activity.
 909}
 910                return
 911        }
 912
 913        set msg {}
 914        set parents [list]
 915        if {[catch {
 916                        set fd [open "| git cat-file commit $curHEAD" r]
 917                        fconfigure $fd -encoding binary -translation lf
 918                        if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
 919                                set enc utf-8
 920                        }
 921                        while {[gets $fd line] > 0} {
 922                                if {[string match {parent *} $line]} {
 923                                        lappend parents [string range $line 7 end]
 924                                } elseif {[string match {encoding *} $line]} {
 925                                        set enc [string tolower [string range $line 9 end]]
 926                                }
 927                        }
 928                        fconfigure $fd -encoding $enc
 929                        set msg [string trim [read $fd]]
 930                        close $fd
 931                } err]} {
 932                error_popup "Error loading commit data for amend:\n\n$err"
 933                return
 934        }
 935
 936        set HEAD $curHEAD
 937        set PARENT $parents
 938        set MERGE_HEAD [list]
 939        switch -- [llength $parents] {
 940        0       {set commit_type amend-initial}
 941        1       {set commit_type amend}
 942        default {set commit_type amend-merge}
 943        }
 944
 945        $ui_comm delete 0.0 end
 946        $ui_comm insert end $msg
 947        $ui_comm edit reset
 948        $ui_comm edit modified false
 949        rescan {set ui_status_value {Ready.}}
 950}
 951
 952proc create_new_commit {} {
 953        global commit_type ui_comm
 954
 955        set commit_type normal
 956        $ui_comm delete 0.0 end
 957        $ui_comm edit reset
 958        $ui_comm edit modified false
 959        rescan {set ui_status_value {Ready.}}
 960}
 961
 962set GIT_COMMITTER_IDENT {}
 963
 964proc committer_ident {} {
 965        global GIT_COMMITTER_IDENT
 966
 967        if {$GIT_COMMITTER_IDENT eq {}} {
 968                if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 969                        error_popup "Unable to obtain your identity:\n\n$err"
 970                        return {}
 971                }
 972                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 973                        $me me GIT_COMMITTER_IDENT]} {
 974                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 975                        return {}
 976                }
 977        }
 978
 979        return $GIT_COMMITTER_IDENT
 980}
 981
 982proc commit_tree {} {
 983        global HEAD commit_type file_states ui_comm repo_config
 984        global ui_status_value pch_error
 985
 986        if {[committer_ident] eq {}} return
 987        if {![lock_index update]} return
 988
 989        # -- Our in memory state should match the repository.
 990        #
 991        repository_state curType curHEAD curMERGE_HEAD
 992        if {[string match amend* $commit_type]
 993                && $curType eq {normal}
 994                && $curHEAD eq $HEAD} {
 995        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 996                info_popup {Last scanned state does not match repository state.
 997
 998Another Git program has modified this repository
 999since the last scan.  A rescan must be performed
1000before another commit can be created.
1001
1002The rescan will be automatically started now.
1003}
1004                unlock_index
1005                rescan {set ui_status_value {Ready.}}
1006                return
1007        }
1008
1009        # -- At least one file should differ in the index.
1010        #
1011        set files_ready 0
1012        foreach path [array names file_states] {
1013                switch -glob -- [lindex $file_states($path) 0] {
1014                _? {continue}
1015                A? -
1016                D? -
1017                M? {set files_ready 1}
1018                U? {
1019                        error_popup "Unmerged files cannot be committed.
1020
1021File [short_path $path] has merge conflicts.
1022You must resolve them and add the file before committing.
1023"
1024                        unlock_index
1025                        return
1026                }
1027                default {
1028                        error_popup "Unknown file state [lindex $s 0] detected.
1029
1030File [short_path $path] cannot be committed by this program.
1031"
1032                }
1033                }
1034        }
1035        if {!$files_ready} {
1036                info_popup {No changes to commit.
1037
1038You must add at least 1 file before you can commit.
1039}
1040                unlock_index
1041                return
1042        }
1043
1044        # -- A message is required.
1045        #
1046        set msg [string trim [$ui_comm get 1.0 end]]
1047        regsub -all -line {[ \t\r]+$} $msg {} msg
1048        if {$msg eq {}} {
1049                error_popup {Please supply a commit message.
1050
1051A good commit message has the following format:
1052
1053- First line: Describe in one sentance what you did.
1054- Second line: Blank
1055- Remaining lines: Describe why this change is good.
1056}
1057                unlock_index
1058                return
1059        }
1060
1061        # -- Run the pre-commit hook.
1062        #
1063        set pchook [gitdir hooks pre-commit]
1064
1065        # On Cygwin [file executable] might lie so we need to ask
1066        # the shell if the hook is executable.  Yes that's annoying.
1067        #
1068        if {[is_Windows] && [file isfile $pchook]} {
1069                set pchook [list sh -c [concat \
1070                        "if test -x \"$pchook\";" \
1071                        "then exec \"$pchook\" 2>&1;" \
1072                        "fi"]]
1073        } elseif {[file executable $pchook]} {
1074                set pchook [list $pchook |& cat]
1075        } else {
1076                commit_writetree $curHEAD $msg
1077                return
1078        }
1079
1080        set ui_status_value {Calling pre-commit hook...}
1081        set pch_error {}
1082        set fd_ph [open "| $pchook" r]
1083        fconfigure $fd_ph -blocking 0 -translation binary
1084        fileevent $fd_ph readable \
1085                [list commit_prehook_wait $fd_ph $curHEAD $msg]
1086}
1087
1088proc commit_prehook_wait {fd_ph curHEAD msg} {
1089        global pch_error ui_status_value
1090
1091        append pch_error [read $fd_ph]
1092        fconfigure $fd_ph -blocking 1
1093        if {[eof $fd_ph]} {
1094                if {[catch {close $fd_ph}]} {
1095                        set ui_status_value {Commit declined by pre-commit hook.}
1096                        hook_failed_popup pre-commit $pch_error
1097                        unlock_index
1098                } else {
1099                        commit_writetree $curHEAD $msg
1100                }
1101                set pch_error {}
1102                return
1103        }
1104        fconfigure $fd_ph -blocking 0
1105}
1106
1107proc commit_writetree {curHEAD msg} {
1108        global ui_status_value
1109
1110        set ui_status_value {Committing changes...}
1111        set fd_wt [open "| git write-tree" r]
1112        fileevent $fd_wt readable \
1113                [list commit_committree $fd_wt $curHEAD $msg]
1114}
1115
1116proc commit_committree {fd_wt curHEAD msg} {
1117        global HEAD PARENT MERGE_HEAD commit_type
1118        global single_commit all_heads current_branch
1119        global ui_status_value ui_comm selected_commit_type
1120        global file_states selected_paths rescan_active
1121        global repo_config
1122
1123        gets $fd_wt tree_id
1124        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1125                error_popup "write-tree failed:\n\n$err"
1126                set ui_status_value {Commit failed.}
1127                unlock_index
1128                return
1129        }
1130
1131        # -- Build the message.
1132        #
1133        set msg_p [gitdir COMMIT_EDITMSG]
1134        set msg_wt [open $msg_p w]
1135        if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
1136                set enc utf-8
1137        }
1138        fconfigure $msg_wt -encoding $enc -translation binary
1139        puts -nonewline $msg_wt $msg
1140        close $msg_wt
1141
1142        # -- Create the commit.
1143        #
1144        set cmd [list git commit-tree $tree_id]
1145        set parents [concat $PARENT $MERGE_HEAD]
1146        if {[llength $parents] > 0} {
1147                foreach p $parents {
1148                        lappend cmd -p $p
1149                }
1150        } else {
1151                # git commit-tree writes to stderr during initial commit.
1152                lappend cmd 2>/dev/null
1153        }
1154        lappend cmd <$msg_p
1155        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1156                error_popup "commit-tree failed:\n\n$err"
1157                set ui_status_value {Commit failed.}
1158                unlock_index
1159                return
1160        }
1161
1162        # -- Update the HEAD ref.
1163        #
1164        set reflogm commit
1165        if {$commit_type ne {normal}} {
1166                append reflogm " ($commit_type)"
1167        }
1168        set i [string first "\n" $msg]
1169        if {$i >= 0} {
1170                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1171        } else {
1172                append reflogm {: } $msg
1173        }
1174        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1175        if {[catch {eval exec $cmd} err]} {
1176                error_popup "update-ref failed:\n\n$err"
1177                set ui_status_value {Commit failed.}
1178                unlock_index
1179                return
1180        }
1181
1182        # -- Make sure our current branch exists.
1183        #
1184        if {$commit_type eq {initial}} {
1185                lappend all_heads $current_branch
1186                set all_heads [lsort -unique $all_heads]
1187                populate_branch_menu
1188        }
1189
1190        # -- Cleanup after ourselves.
1191        #
1192        catch {file delete $msg_p}
1193        catch {file delete [gitdir MERGE_HEAD]}
1194        catch {file delete [gitdir MERGE_MSG]}
1195        catch {file delete [gitdir SQUASH_MSG]}
1196        catch {file delete [gitdir GITGUI_MSG]}
1197
1198        # -- Let rerere do its thing.
1199        #
1200        if {[file isdirectory [gitdir rr-cache]]} {
1201                catch {exec git rerere}
1202        }
1203
1204        # -- Run the post-commit hook.
1205        #
1206        set pchook [gitdir hooks post-commit]
1207        if {[is_Windows] && [file isfile $pchook]} {
1208                set pchook [list sh -c [concat \
1209                        "if test -x \"$pchook\";" \
1210                        "then exec \"$pchook\";" \
1211                        "fi"]]
1212        } elseif {![file executable $pchook]} {
1213                set pchook {}
1214        }
1215        if {$pchook ne {}} {
1216                catch {exec $pchook &}
1217        }
1218
1219        $ui_comm delete 0.0 end
1220        $ui_comm edit reset
1221        $ui_comm edit modified false
1222
1223        if {$single_commit} do_quit
1224
1225        # -- Update in memory status
1226        #
1227        set selected_commit_type new
1228        set commit_type normal
1229        set HEAD $cmt_id
1230        set PARENT $cmt_id
1231        set MERGE_HEAD [list]
1232
1233        foreach path [array names file_states] {
1234                set s $file_states($path)
1235                set m [lindex $s 0]
1236                switch -glob -- $m {
1237                _O -
1238                _M -
1239                _D {continue}
1240                __ -
1241                A_ -
1242                M_ -
1243                D_ {
1244                        unset file_states($path)
1245                        catch {unset selected_paths($path)}
1246                }
1247                DO {
1248                        set file_states($path) [list _O [lindex $s 1] {} {}]
1249                }
1250                AM -
1251                AD -
1252                MM -
1253                MD {
1254                        set file_states($path) [list \
1255                                _[string index $m 1] \
1256                                [lindex $s 1] \
1257                                [lindex $s 3] \
1258                                {}]
1259                }
1260                }
1261        }
1262
1263        display_all_files
1264        unlock_index
1265        reshow_diff
1266        set ui_status_value \
1267                "Changes committed as [string range $cmt_id 0 7]."
1268}
1269
1270######################################################################
1271##
1272## fetch push
1273
1274proc fetch_from {remote} {
1275        set w [new_console \
1276                "fetch $remote" \
1277                "Fetching new changes from $remote"]
1278        set cmd [list git fetch]
1279        lappend cmd $remote
1280        console_exec $w $cmd console_done
1281}
1282
1283proc push_to {remote} {
1284        set w [new_console \
1285                "push $remote" \
1286                "Pushing changes to $remote"]
1287        set cmd [list git push]
1288        lappend cmd -v
1289        lappend cmd $remote
1290        console_exec $w $cmd console_done
1291}
1292
1293######################################################################
1294##
1295## ui helpers
1296
1297proc mapicon {w state path} {
1298        global all_icons
1299
1300        if {[catch {set r $all_icons($state$w)}]} {
1301                puts "error: no icon for $w state={$state} $path"
1302                return file_plain
1303        }
1304        return $r
1305}
1306
1307proc mapdesc {state path} {
1308        global all_descs
1309
1310        if {[catch {set r $all_descs($state)}]} {
1311                puts "error: no desc for state={$state} $path"
1312                return $state
1313        }
1314        return $r
1315}
1316
1317proc escape_path {path} {
1318        regsub -all "\n" $path "\\n" path
1319        return $path
1320}
1321
1322proc short_path {path} {
1323        return [escape_path [lindex [file split $path] end]]
1324}
1325
1326set next_icon_id 0
1327set null_sha1 [string repeat 0 40]
1328
1329proc merge_state {path new_state {head_info {}} {index_info {}}} {
1330        global file_states next_icon_id null_sha1
1331
1332        set s0 [string index $new_state 0]
1333        set s1 [string index $new_state 1]
1334
1335        if {[catch {set info $file_states($path)}]} {
1336                set state __
1337                set icon n[incr next_icon_id]
1338        } else {
1339                set state [lindex $info 0]
1340                set icon [lindex $info 1]
1341                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1342                if {$index_info eq {}} {set index_info [lindex $info 3]}
1343        }
1344
1345        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1346        elseif {$s0 eq {_}} {set s0 _}
1347
1348        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1349        elseif {$s1 eq {_}} {set s1 _}
1350
1351        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1352                set head_info [list 0 $null_sha1]
1353        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1354                && $head_info eq {}} {
1355                set head_info $index_info
1356        }
1357
1358        set file_states($path) [list $s0$s1 $icon \
1359                $head_info $index_info \
1360                ]
1361        return $state
1362}
1363
1364proc display_file_helper {w path icon_name old_m new_m} {
1365        global file_lists
1366
1367        if {$new_m eq {_}} {
1368                set lno [lsearch -sorted -exact $file_lists($w) $path]
1369                if {$lno >= 0} {
1370                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1371                        incr lno
1372                        $w conf -state normal
1373                        $w delete $lno.0 [expr {$lno + 1}].0
1374                        $w conf -state disabled
1375                }
1376        } elseif {$old_m eq {_} && $new_m ne {_}} {
1377                lappend file_lists($w) $path
1378                set file_lists($w) [lsort -unique $file_lists($w)]
1379                set lno [lsearch -sorted -exact $file_lists($w) $path]
1380                incr lno
1381                $w conf -state normal
1382                $w image create $lno.0 \
1383                        -align center -padx 5 -pady 1 \
1384                        -name $icon_name \
1385                        -image [mapicon $w $new_m $path]
1386                $w insert $lno.1 "[escape_path $path]\n"
1387                $w conf -state disabled
1388        } elseif {$old_m ne $new_m} {
1389                $w conf -state normal
1390                $w image conf $icon_name -image [mapicon $w $new_m $path]
1391                $w conf -state disabled
1392        }
1393}
1394
1395proc display_file {path state} {
1396        global file_states selected_paths
1397        global ui_index ui_workdir
1398
1399        set old_m [merge_state $path $state]
1400        set s $file_states($path)
1401        set new_m [lindex $s 0]
1402        set icon_name [lindex $s 1]
1403
1404        set o [string index $old_m 0]
1405        set n [string index $new_m 0]
1406        if {$o eq {U}} {
1407                set o _
1408        }
1409        if {$n eq {U}} {
1410                set n _
1411        }
1412        display_file_helper     $ui_index $path $icon_name $o $n
1413
1414        if {[string index $old_m 0] eq {U}} {
1415                set o U
1416        } else {
1417                set o [string index $old_m 1]
1418        }
1419        if {[string index $new_m 0] eq {U}} {
1420                set n U
1421        } else {
1422                set n [string index $new_m 1]
1423        }
1424        display_file_helper     $ui_workdir $path $icon_name $o $n
1425
1426        if {$new_m eq {__}} {
1427                unset file_states($path)
1428                catch {unset selected_paths($path)}
1429        }
1430}
1431
1432proc display_all_files_helper {w path icon_name m} {
1433        global file_lists
1434
1435        lappend file_lists($w) $path
1436        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1437        $w image create end \
1438                -align center -padx 5 -pady 1 \
1439                -name $icon_name \
1440                -image [mapicon $w $m $path]
1441        $w insert end "[escape_path $path]\n"
1442}
1443
1444proc display_all_files {} {
1445        global ui_index ui_workdir
1446        global file_states file_lists
1447        global last_clicked
1448
1449        $ui_index conf -state normal
1450        $ui_workdir conf -state normal
1451
1452        $ui_index delete 0.0 end
1453        $ui_workdir delete 0.0 end
1454        set last_clicked {}
1455
1456        set file_lists($ui_index) [list]
1457        set file_lists($ui_workdir) [list]
1458
1459        foreach path [lsort [array names file_states]] {
1460                set s $file_states($path)
1461                set m [lindex $s 0]
1462                set icon_name [lindex $s 1]
1463
1464                set s [string index $m 0]
1465                if {$s ne {U} && $s ne {_}} {
1466                        display_all_files_helper $ui_index $path \
1467                                $icon_name $s
1468                }
1469
1470                if {[string index $m 0] eq {U}} {
1471                        set s U
1472                } else {
1473                        set s [string index $m 1]
1474                }
1475                if {$s ne {_}} {
1476                        display_all_files_helper $ui_workdir $path \
1477                                $icon_name $s
1478                }
1479        }
1480
1481        $ui_index conf -state disabled
1482        $ui_workdir conf -state disabled
1483}
1484
1485proc update_indexinfo {msg pathList after} {
1486        global update_index_cp ui_status_value
1487
1488        if {![lock_index update]} return
1489
1490        set update_index_cp 0
1491        set pathList [lsort $pathList]
1492        set totalCnt [llength $pathList]
1493        set batch [expr {int($totalCnt * .01) + 1}]
1494        if {$batch > 25} {set batch 25}
1495
1496        set ui_status_value [format \
1497                "$msg... %i/%i files (%.2f%%)" \
1498                $update_index_cp \
1499                $totalCnt \
1500                0.0]
1501        set fd [open "| git update-index -z --index-info" w]
1502        fconfigure $fd \
1503                -blocking 0 \
1504                -buffering full \
1505                -buffersize 512 \
1506                -encoding binary \
1507                -translation binary
1508        fileevent $fd writable [list \
1509                write_update_indexinfo \
1510                $fd \
1511                $pathList \
1512                $totalCnt \
1513                $batch \
1514                $msg \
1515                $after \
1516                ]
1517}
1518
1519proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1520        global update_index_cp ui_status_value
1521        global file_states current_diff_path
1522
1523        if {$update_index_cp >= $totalCnt} {
1524                close $fd
1525                unlock_index
1526                uplevel #0 $after
1527                return
1528        }
1529
1530        for {set i $batch} \
1531                {$update_index_cp < $totalCnt && $i > 0} \
1532                {incr i -1} {
1533                set path [lindex $pathList $update_index_cp]
1534                incr update_index_cp
1535
1536                set s $file_states($path)
1537                switch -glob -- [lindex $s 0] {
1538                A? {set new _O}
1539                M? {set new _M}
1540                D_ {set new _D}
1541                D? {set new _?}
1542                ?? {continue}
1543                }
1544                set info [lindex $s 2]
1545                if {$info eq {}} continue
1546
1547                puts -nonewline $fd "$info\t[encoding convertto $path]\0"
1548                display_file $path $new
1549        }
1550
1551        set ui_status_value [format \
1552                "$msg... %i/%i files (%.2f%%)" \
1553                $update_index_cp \
1554                $totalCnt \
1555                [expr {100.0 * $update_index_cp / $totalCnt}]]
1556}
1557
1558proc update_index {msg pathList after} {
1559        global update_index_cp ui_status_value
1560
1561        if {![lock_index update]} return
1562
1563        set update_index_cp 0
1564        set pathList [lsort $pathList]
1565        set totalCnt [llength $pathList]
1566        set batch [expr {int($totalCnt * .01) + 1}]
1567        if {$batch > 25} {set batch 25}
1568
1569        set ui_status_value [format \
1570                "$msg... %i/%i files (%.2f%%)" \
1571                $update_index_cp \
1572                $totalCnt \
1573                0.0]
1574        set fd [open "| git update-index --add --remove -z --stdin" w]
1575        fconfigure $fd \
1576                -blocking 0 \
1577                -buffering full \
1578                -buffersize 512 \
1579                -encoding binary \
1580                -translation binary
1581        fileevent $fd writable [list \
1582                write_update_index \
1583                $fd \
1584                $pathList \
1585                $totalCnt \
1586                $batch \
1587                $msg \
1588                $after \
1589                ]
1590}
1591
1592proc write_update_index {fd pathList totalCnt batch msg after} {
1593        global update_index_cp ui_status_value
1594        global file_states current_diff_path
1595
1596        if {$update_index_cp >= $totalCnt} {
1597                close $fd
1598                unlock_index
1599                uplevel #0 $after
1600                return
1601        }
1602
1603        for {set i $batch} \
1604                {$update_index_cp < $totalCnt && $i > 0} \
1605                {incr i -1} {
1606                set path [lindex $pathList $update_index_cp]
1607                incr update_index_cp
1608
1609                switch -glob -- [lindex $file_states($path) 0] {
1610                AD {set new __}
1611                ?D {set new D_}
1612                _O -
1613                AM {set new A_}
1614                U? {
1615                        if {[file exists $path]} {
1616                                set new M_
1617                        } else {
1618                                set new D_
1619                        }
1620                }
1621                ?M {set new M_}
1622                ?? {continue}
1623                }
1624                puts -nonewline $fd "[encoding convertto $path]\0"
1625                display_file $path $new
1626        }
1627
1628        set ui_status_value [format \
1629                "$msg... %i/%i files (%.2f%%)" \
1630                $update_index_cp \
1631                $totalCnt \
1632                [expr {100.0 * $update_index_cp / $totalCnt}]]
1633}
1634
1635proc checkout_index {msg pathList after} {
1636        global update_index_cp ui_status_value
1637
1638        if {![lock_index update]} return
1639
1640        set update_index_cp 0
1641        set pathList [lsort $pathList]
1642        set totalCnt [llength $pathList]
1643        set batch [expr {int($totalCnt * .01) + 1}]
1644        if {$batch > 25} {set batch 25}
1645
1646        set ui_status_value [format \
1647                "$msg... %i/%i files (%.2f%%)" \
1648                $update_index_cp \
1649                $totalCnt \
1650                0.0]
1651        set cmd [list git checkout-index]
1652        lappend cmd --index
1653        lappend cmd --quiet
1654        lappend cmd --force
1655        lappend cmd -z
1656        lappend cmd --stdin
1657        set fd [open "| $cmd " w]
1658        fconfigure $fd \
1659                -blocking 0 \
1660                -buffering full \
1661                -buffersize 512 \
1662                -encoding binary \
1663                -translation binary
1664        fileevent $fd writable [list \
1665                write_checkout_index \
1666                $fd \
1667                $pathList \
1668                $totalCnt \
1669                $batch \
1670                $msg \
1671                $after \
1672                ]
1673}
1674
1675proc write_checkout_index {fd pathList totalCnt batch msg after} {
1676        global update_index_cp ui_status_value
1677        global file_states current_diff_path
1678
1679        if {$update_index_cp >= $totalCnt} {
1680                close $fd
1681                unlock_index
1682                uplevel #0 $after
1683                return
1684        }
1685
1686        for {set i $batch} \
1687                {$update_index_cp < $totalCnt && $i > 0} \
1688                {incr i -1} {
1689                set path [lindex $pathList $update_index_cp]
1690                incr update_index_cp
1691                switch -glob -- [lindex $file_states($path) 0] {
1692                U? {continue}
1693                ?M -
1694                ?D {
1695                        puts -nonewline $fd "[encoding convertto $path]\0"
1696                        display_file $path ?_
1697                }
1698                }
1699        }
1700
1701        set ui_status_value [format \
1702                "$msg... %i/%i files (%.2f%%)" \
1703                $update_index_cp \
1704                $totalCnt \
1705                [expr {100.0 * $update_index_cp / $totalCnt}]]
1706}
1707
1708######################################################################
1709##
1710## branch management
1711
1712proc is_tracking_branch {name} {
1713        global tracking_branches
1714
1715        if {![catch {set info $tracking_branches($name)}]} {
1716                return 1
1717        }
1718        foreach t [array names tracking_branches] {
1719                if {[string match {*/\*} $t] && [string match $t $name]} {
1720                        return 1
1721                }
1722        }
1723        return 0
1724}
1725
1726proc load_all_heads {} {
1727        global all_heads
1728
1729        set all_heads [list]
1730        set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
1731        while {[gets $fd line] > 0} {
1732                if {[is_tracking_branch $line]} continue
1733                if {![regsub ^refs/heads/ $line {} name]} continue
1734                lappend all_heads $name
1735        }
1736        close $fd
1737
1738        set all_heads [lsort $all_heads]
1739}
1740
1741proc populate_branch_menu {} {
1742        global all_heads disable_on_lock
1743
1744        set m .mbar.branch
1745        set last [$m index last]
1746        for {set i 0} {$i <= $last} {incr i} {
1747                if {[$m type $i] eq {separator}} {
1748                        $m delete $i last
1749                        set new_dol [list]
1750                        foreach a $disable_on_lock {
1751                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1752                                        lappend new_dol $a
1753                                }
1754                        }
1755                        set disable_on_lock $new_dol
1756                        break
1757                }
1758        }
1759
1760        if {$all_heads ne {}} {
1761                $m add separator
1762        }
1763        foreach b $all_heads {
1764                $m add radiobutton \
1765                        -label $b \
1766                        -command [list switch_branch $b] \
1767                        -variable current_branch \
1768                        -value $b \
1769                        -font font_ui
1770                lappend disable_on_lock \
1771                        [list $m entryconf [$m index last] -state]
1772        }
1773}
1774
1775proc all_tracking_branches {} {
1776        global tracking_branches
1777
1778        set all_trackings {}
1779        set cmd {}
1780        foreach name [array names tracking_branches] {
1781                if {[regsub {/\*$} $name {} name]} {
1782                        lappend cmd $name
1783                } else {
1784                        regsub ^refs/(heads|remotes)/ $name {} name
1785                        lappend all_trackings $name
1786                }
1787        }
1788
1789        if {$cmd ne {}} {
1790                set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
1791                while {[gets $fd name] > 0} {
1792                        regsub ^refs/(heads|remotes)/ $name {} name
1793                        lappend all_trackings $name
1794                }
1795                close $fd
1796        }
1797
1798        return [lsort -unique $all_trackings]
1799}
1800
1801proc do_create_branch_action {w} {
1802        global all_heads null_sha1 repo_config
1803        global create_branch_checkout create_branch_revtype
1804        global create_branch_head create_branch_trackinghead
1805        global create_branch_name create_branch_revexp
1806
1807        set newbranch $create_branch_name
1808        if {$newbranch eq {}
1809                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
1810                tk_messageBox \
1811                        -icon error \
1812                        -type ok \
1813                        -title [wm title $w] \
1814                        -parent $w \
1815                        -message "Please supply a branch name."
1816                focus $w.desc.name_t
1817                return
1818        }
1819        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1820                tk_messageBox \
1821                        -icon error \
1822                        -type ok \
1823                        -title [wm title $w] \
1824                        -parent $w \
1825                        -message "Branch '$newbranch' already exists."
1826                focus $w.desc.name_t
1827                return
1828        }
1829        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1830                tk_messageBox \
1831                        -icon error \
1832                        -type ok \
1833                        -title [wm title $w] \
1834                        -parent $w \
1835                        -message "We do not like '$newbranch' as a branch name."
1836                focus $w.desc.name_t
1837                return
1838        }
1839
1840        set rev {}
1841        switch -- $create_branch_revtype {
1842        head {set rev $create_branch_head}
1843        tracking {set rev $create_branch_trackinghead}
1844        expression {set rev $create_branch_revexp}
1845        }
1846        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1847                tk_messageBox \
1848                        -icon error \
1849                        -type ok \
1850                        -title [wm title $w] \
1851                        -parent $w \
1852                        -message "Invalid starting revision: $rev"
1853                return
1854        }
1855        set cmd [list git update-ref]
1856        lappend cmd -m
1857        lappend cmd "branch: Created from $rev"
1858        lappend cmd "refs/heads/$newbranch"
1859        lappend cmd $cmt
1860        lappend cmd $null_sha1
1861        if {[catch {eval exec $cmd} err]} {
1862                tk_messageBox \
1863                        -icon error \
1864                        -type ok \
1865                        -title [wm title $w] \
1866                        -parent $w \
1867                        -message "Failed to create '$newbranch'.\n\n$err"
1868                return
1869        }
1870
1871        lappend all_heads $newbranch
1872        set all_heads [lsort $all_heads]
1873        populate_branch_menu
1874        destroy $w
1875        if {$create_branch_checkout} {
1876                switch_branch $newbranch
1877        }
1878}
1879
1880proc radio_selector {varname value args} {
1881        upvar #0 $varname var
1882        set var $value
1883}
1884
1885trace add variable create_branch_head write \
1886        [list radio_selector create_branch_revtype head]
1887trace add variable create_branch_trackinghead write \
1888        [list radio_selector create_branch_revtype tracking]
1889
1890trace add variable delete_branch_head write \
1891        [list radio_selector delete_branch_checktype head]
1892trace add variable delete_branch_trackinghead write \
1893        [list radio_selector delete_branch_checktype tracking]
1894
1895proc do_create_branch {} {
1896        global all_heads current_branch repo_config
1897        global create_branch_checkout create_branch_revtype
1898        global create_branch_head create_branch_trackinghead
1899        global create_branch_name create_branch_revexp
1900
1901        set w .branch_editor
1902        toplevel $w
1903        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1904
1905        label $w.header -text {Create New Branch} \
1906                -font font_uibold
1907        pack $w.header -side top -fill x
1908
1909        frame $w.buttons
1910        button $w.buttons.create -text Create \
1911                -font font_ui \
1912                -default active \
1913                -command [list do_create_branch_action $w]
1914        pack $w.buttons.create -side right
1915        button $w.buttons.cancel -text {Cancel} \
1916                -font font_ui \
1917                -command [list destroy $w]
1918        pack $w.buttons.cancel -side right -padx 5
1919        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1920
1921        labelframe $w.desc \
1922                -text {Branch Description} \
1923                -font font_ui
1924        label $w.desc.name_l -text {Name:} -font font_ui
1925        entry $w.desc.name_t \
1926                -borderwidth 1 \
1927                -relief sunken \
1928                -width 40 \
1929                -textvariable create_branch_name \
1930                -font font_ui \
1931                -validate key \
1932                -validatecommand {
1933                        if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
1934                        return 1
1935                }
1936        grid $w.desc.name_l $w.desc.name_t -sticky we -padx {0 5}
1937        grid columnconfigure $w.desc 1 -weight 1
1938        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
1939
1940        labelframe $w.from \
1941                -text {Starting Revision} \
1942                -font font_ui
1943        radiobutton $w.from.head_r \
1944                -text {Local Branch:} \
1945                -value head \
1946                -variable create_branch_revtype \
1947                -font font_ui
1948        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
1949        grid $w.from.head_r $w.from.head_m -sticky w
1950        set all_trackings [all_tracking_branches]
1951        if {$all_trackings ne {}} {
1952                set create_branch_trackinghead [lindex $all_trackings 0]
1953                radiobutton $w.from.tracking_r \
1954                        -text {Tracking Branch:} \
1955                        -value tracking \
1956                        -variable create_branch_revtype \
1957                        -font font_ui
1958                eval tk_optionMenu $w.from.tracking_m \
1959                        create_branch_trackinghead \
1960                        $all_trackings
1961                grid $w.from.tracking_r $w.from.tracking_m -sticky w
1962        }
1963        radiobutton $w.from.exp_r \
1964                -text {Revision Expression:} \
1965                -value expression \
1966                -variable create_branch_revtype \
1967                -font font_ui
1968        entry $w.from.exp_t \
1969                -borderwidth 1 \
1970                -relief sunken \
1971                -width 50 \
1972                -textvariable create_branch_revexp \
1973                -font font_ui \
1974                -validate key \
1975                -validatecommand {
1976                        if {%d == 1 && [regexp {\s} %S]} {return 0}
1977                        if {%d == 1 && [string length %S] > 0} {
1978                                set create_branch_revtype expression
1979                        }
1980                        return 1
1981                }
1982        grid $w.from.exp_r $w.from.exp_t -sticky we -padx {0 5}
1983        grid columnconfigure $w.from 1 -weight 1
1984        pack $w.from -anchor nw -fill x -pady 5 -padx 5
1985
1986        labelframe $w.postActions \
1987                -text {Post Creation Actions} \
1988                -font font_ui
1989        checkbutton $w.postActions.checkout \
1990                -text {Checkout after creation} \
1991                -variable create_branch_checkout \
1992                -font font_ui
1993        pack $w.postActions.checkout -anchor nw
1994        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1995
1996        set create_branch_checkout 1
1997        set create_branch_head $current_branch
1998        set create_branch_revtype head
1999        set create_branch_name $repo_config(gui.newbranchtemplate)
2000        set create_branch_revexp {}
2001
2002        bind $w <Visibility> "
2003                grab $w
2004                $w.desc.name_t icursor end
2005                focus $w.desc.name_t
2006        "
2007        bind $w <Key-Escape> "destroy $w"
2008        bind $w <Key-Return> "do_create_branch_action $w;break"
2009        wm title $w "[appname] ([reponame]): Create Branch"
2010        tkwait window $w
2011}
2012
2013proc do_delete_branch_action {w} {
2014        global all_heads
2015        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2016
2017        set check_rev {}
2018        switch -- $delete_branch_checktype {
2019        head {set check_rev $delete_branch_head}
2020        tracking {set check_rev $delete_branch_trackinghead}
2021        always {set check_rev {:none}}
2022        }
2023        if {$check_rev eq {:none}} {
2024                set check_cmt {}
2025        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
2026                tk_messageBox \
2027                        -icon error \
2028                        -type ok \
2029                        -title [wm title $w] \
2030                        -parent $w \
2031                        -message "Invalid check revision: $check_rev"
2032                return
2033        }
2034
2035        set to_delete [list]
2036        set not_merged [list]
2037        foreach i [$w.list.l curselection] {
2038                set b [$w.list.l get $i]
2039                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
2040                if {$check_cmt ne {}} {
2041                        if {$b eq $check_rev} continue
2042                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
2043                        if {$o ne $m} {
2044                                lappend not_merged $b
2045                                continue
2046                        }
2047                }
2048                lappend to_delete [list $b $o]
2049        }
2050        if {$not_merged ne {}} {
2051                set msg "The following branches are not completely merged into $check_rev:
2052
2053 - [join $not_merged "\n - "]"
2054                tk_messageBox \
2055                        -icon info \
2056                        -type ok \
2057                        -title [wm title $w] \
2058                        -parent $w \
2059                        -message $msg
2060        }
2061        if {$to_delete eq {}} return
2062        if {$delete_branch_checktype eq {always}} {
2063                set msg {Recovering deleted branches is difficult.
2064
2065Delete the selected branches?}
2066                if {[tk_messageBox \
2067                        -icon warning \
2068                        -type yesno \
2069                        -title [wm title $w] \
2070                        -parent $w \
2071                        -message $msg] ne yes} {
2072                        return
2073                }
2074        }
2075
2076        set failed {}
2077        foreach i $to_delete {
2078                set b [lindex $i 0]
2079                set o [lindex $i 1]
2080                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
2081                        append failed " - $b: $err\n"
2082                } else {
2083                        set x [lsearch -sorted -exact $all_heads $b]
2084                        if {$x >= 0} {
2085                                set all_heads [lreplace $all_heads $x $x]
2086                        }
2087                }
2088        }
2089
2090        if {$failed ne {}} {
2091                tk_messageBox \
2092                        -icon error \
2093                        -type ok \
2094                        -title [wm title $w] \
2095                        -parent $w \
2096                        -message "Failed to delete branches:\n$failed"
2097        }
2098
2099        set all_heads [lsort $all_heads]
2100        populate_branch_menu
2101        destroy $w
2102}
2103
2104proc do_delete_branch {} {
2105        global all_heads tracking_branches current_branch
2106        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2107
2108        set w .branch_editor
2109        toplevel $w
2110        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2111
2112        label $w.header -text {Delete Local Branch} \
2113                -font font_uibold
2114        pack $w.header -side top -fill x
2115
2116        frame $w.buttons
2117        button $w.buttons.create -text Delete \
2118                -font font_ui \
2119                -command [list do_delete_branch_action $w]
2120        pack $w.buttons.create -side right
2121        button $w.buttons.cancel -text {Cancel} \
2122                -font font_ui \
2123                -command [list destroy $w]
2124        pack $w.buttons.cancel -side right -padx 5
2125        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2126
2127        labelframe $w.list \
2128                -text {Local Branches} \
2129                -font font_ui
2130        listbox $w.list.l \
2131                -height 10 \
2132                -width 50 \
2133                -selectmode extended \
2134                -font font_ui
2135        foreach h $all_heads {
2136                if {$h ne $current_branch} {
2137                        $w.list.l insert end $h
2138                }
2139        }
2140        pack $w.list.l -fill both -pady 5 -padx 5
2141        pack $w.list -fill both -pady 5 -padx 5
2142
2143        labelframe $w.validate \
2144                -text {Delete Only If} \
2145                -font font_ui
2146        radiobutton $w.validate.head_r \
2147                -text {Merged Into Local Branch:} \
2148                -value head \
2149                -variable delete_branch_checktype \
2150                -font font_ui
2151        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2152        grid $w.validate.head_r $w.validate.head_m -sticky w
2153        set all_trackings [all_tracking_branches]
2154        if {$all_trackings ne {}} {
2155                set delete_branch_trackinghead [lindex $all_trackings 0]
2156                radiobutton $w.validate.tracking_r \
2157                        -text {Merged Into Tracking Branch:} \
2158                        -value tracking \
2159                        -variable delete_branch_checktype \
2160                        -font font_ui
2161                eval tk_optionMenu $w.validate.tracking_m \
2162                        delete_branch_trackinghead \
2163                        $all_trackings
2164                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2165        }
2166        radiobutton $w.validate.always_r \
2167                -text {Always (Do not perform merge checks)} \
2168                -value always \
2169                -variable delete_branch_checktype \
2170                -font font_ui
2171        grid $w.validate.always_r -columnspan 2 -sticky w
2172        grid columnconfigure $w.validate 1 -weight 1
2173        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2174
2175        set delete_branch_head $current_branch
2176        set delete_branch_checktype head
2177
2178        bind $w <Visibility> "grab $w; focus $w"
2179        bind $w <Key-Escape> "destroy $w"
2180        wm title $w "[appname] ([reponame]): Delete Branch"
2181        tkwait window $w
2182}
2183
2184proc switch_branch {new_branch} {
2185        global HEAD commit_type current_branch repo_config
2186
2187        if {![lock_index switch]} return
2188
2189        # -- Our in memory state should match the repository.
2190        #
2191        repository_state curType curHEAD curMERGE_HEAD
2192        if {[string match amend* $commit_type]
2193                && $curType eq {normal}
2194                && $curHEAD eq $HEAD} {
2195        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2196                info_popup {Last scanned state does not match repository state.
2197
2198Another Git program has modified this repository
2199since the last scan.  A rescan must be performed
2200before the current branch can be changed.
2201
2202The rescan will be automatically started now.
2203}
2204                unlock_index
2205                rescan {set ui_status_value {Ready.}}
2206                return
2207        }
2208
2209        # -- Don't do a pointless switch.
2210        #
2211        if {$current_branch eq $new_branch} {
2212                unlock_index
2213                return
2214        }
2215
2216        if {$repo_config(gui.trustmtime) eq {true}} {
2217                switch_branch_stage2 {} $new_branch
2218        } else {
2219                set ui_status_value {Refreshing file status...}
2220                set cmd [list git update-index]
2221                lappend cmd -q
2222                lappend cmd --unmerged
2223                lappend cmd --ignore-missing
2224                lappend cmd --refresh
2225                set fd_rf [open "| $cmd" r]
2226                fconfigure $fd_rf -blocking 0 -translation binary
2227                fileevent $fd_rf readable \
2228                        [list switch_branch_stage2 $fd_rf $new_branch]
2229        }
2230}
2231
2232proc switch_branch_stage2 {fd_rf new_branch} {
2233        global ui_status_value HEAD
2234
2235        if {$fd_rf ne {}} {
2236                read $fd_rf
2237                if {![eof $fd_rf]} return
2238                close $fd_rf
2239        }
2240
2241        set ui_status_value "Updating working directory to '$new_branch'..."
2242        set cmd [list git read-tree]
2243        lappend cmd -m
2244        lappend cmd -u
2245        lappend cmd --exclude-per-directory=.gitignore
2246        lappend cmd $HEAD
2247        lappend cmd $new_branch
2248        set fd_rt [open "| $cmd" r]
2249        fconfigure $fd_rt -blocking 0 -translation binary
2250        fileevent $fd_rt readable \
2251                [list switch_branch_readtree_wait $fd_rt $new_branch]
2252}
2253
2254proc switch_branch_readtree_wait {fd_rt new_branch} {
2255        global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
2256        global current_branch
2257        global ui_comm ui_status_value
2258
2259        # -- We never get interesting output on stdout; only stderr.
2260        #
2261        read $fd_rt
2262        fconfigure $fd_rt -blocking 1
2263        if {![eof $fd_rt]} {
2264                fconfigure $fd_rt -blocking 0
2265                return
2266        }
2267
2268        # -- The working directory wasn't in sync with the index and
2269        #    we'd have to overwrite something to make the switch. A
2270        #    merge is required.
2271        #
2272        if {[catch {close $fd_rt} err]} {
2273                regsub {^fatal: } $err {} err
2274                warn_popup "File level merge required.
2275
2276$err
2277
2278Staying on branch '$current_branch'."
2279                set ui_status_value "Aborted checkout of '$new_branch' (file level merging is required)."
2280                unlock_index
2281                return
2282        }
2283
2284        # -- Update the symbolic ref.  Core git doesn't even check for failure
2285        #    here, it Just Works(tm).  If it doesn't we are in some really ugly
2286        #    state that is difficult to recover from within git-gui.
2287        #
2288        if {[catch {exec git symbolic-ref HEAD "refs/heads/$new_branch"} err]} {
2289                error_popup "Failed to set current branch.
2290
2291This working directory is only partially switched.
2292We successfully updated your files, but failed to
2293update an internal Git file.
2294
2295This should not have occurred.  [appname] will now
2296close and give up.
2297
2298$err"
2299                do_quit
2300                return
2301        }
2302
2303        # -- Update our repository state.  If we were previously in amend mode
2304        #    we need to toss the current buffer and do a full rescan to update
2305        #    our file lists.  If we weren't in amend mode our file lists are
2306        #    accurate and we can avoid the rescan.
2307        #
2308        unlock_index
2309        set selected_commit_type new
2310        if {[string match amend* $commit_type]} {
2311                $ui_comm delete 0.0 end
2312                $ui_comm edit reset
2313                $ui_comm edit modified false
2314                rescan {set ui_status_value "Checked out branch '$current_branch'."}
2315        } else {
2316                repository_state commit_type HEAD MERGE_HEAD
2317                set PARENT $HEAD
2318                set ui_status_value "Checked out branch '$current_branch'."
2319        }
2320}
2321
2322######################################################################
2323##
2324## remote management
2325
2326proc load_all_remotes {} {
2327        global repo_config
2328        global all_remotes tracking_branches
2329
2330        set all_remotes [list]
2331        array unset tracking_branches
2332
2333        set rm_dir [gitdir remotes]
2334        if {[file isdirectory $rm_dir]} {
2335                set all_remotes [glob \
2336                        -types f \
2337                        -tails \
2338                        -nocomplain \
2339                        -directory $rm_dir *]
2340
2341                foreach name $all_remotes {
2342                        catch {
2343                                set fd [open [file join $rm_dir $name] r]
2344                                while {[gets $fd line] >= 0} {
2345                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2346                                                $line line src dst]} continue
2347                                        if {![regexp ^refs/ $dst]} {
2348                                                set dst "refs/heads/$dst"
2349                                        }
2350                                        set tracking_branches($dst) [list $name $src]
2351                                }
2352                                close $fd
2353                        }
2354                }
2355        }
2356
2357        foreach line [array names repo_config remote.*.url] {
2358                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2359                lappend all_remotes $name
2360
2361                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2362                        set fl {}
2363                }
2364                foreach line $fl {
2365                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2366                        if {![regexp ^refs/ $dst]} {
2367                                set dst "refs/heads/$dst"
2368                        }
2369                        set tracking_branches($dst) [list $name $src]
2370                }
2371        }
2372
2373        set all_remotes [lsort -unique $all_remotes]
2374}
2375
2376proc populate_fetch_menu {} {
2377        global all_remotes repo_config
2378
2379        set m .mbar.fetch
2380        foreach r $all_remotes {
2381                set enable 0
2382                if {![catch {set a $repo_config(remote.$r.url)}]} {
2383                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2384                                set enable 1
2385                        }
2386                } else {
2387                        catch {
2388                                set fd [open [gitdir remotes $r] r]
2389                                while {[gets $fd n] >= 0} {
2390                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2391                                                set enable 1
2392                                                break
2393                                        }
2394                                }
2395                                close $fd
2396                        }
2397                }
2398
2399                if {$enable} {
2400                        $m add command \
2401                                -label "Fetch from $r..." \
2402                                -command [list fetch_from $r] \
2403                                -font font_ui
2404                }
2405        }
2406}
2407
2408proc populate_push_menu {} {
2409        global all_remotes repo_config
2410
2411        set m .mbar.push
2412        set fast_count 0
2413        foreach r $all_remotes {
2414                set enable 0
2415                if {![catch {set a $repo_config(remote.$r.url)}]} {
2416                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2417                                set enable 1
2418                        }
2419                } else {
2420                        catch {
2421                                set fd [open [gitdir remotes $r] r]
2422                                while {[gets $fd n] >= 0} {
2423                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2424                                                set enable 1
2425                                                break
2426                                        }
2427                                }
2428                                close $fd
2429                        }
2430                }
2431
2432                if {$enable} {
2433                        if {!$fast_count} {
2434                                $m add separator
2435                        }
2436                        $m add command \
2437                                -label "Push to $r..." \
2438                                -command [list push_to $r] \
2439                                -font font_ui
2440                        incr fast_count
2441                }
2442        }
2443}
2444
2445proc start_push_anywhere_action {w} {
2446        global push_urltype push_remote push_url push_thin push_tags
2447
2448        set r_url {}
2449        switch -- $push_urltype {
2450        remote {set r_url $push_remote}
2451        url {set r_url $push_url}
2452        }
2453        if {$r_url eq {}} return
2454
2455        set cmd [list git push]
2456        lappend cmd -v
2457        if {$push_thin} {
2458                lappend cmd --thin
2459        }
2460        if {$push_tags} {
2461                lappend cmd --tags
2462        }
2463        lappend cmd $r_url
2464        set cnt 0
2465        foreach i [$w.source.l curselection] {
2466                set b [$w.source.l get $i]
2467                lappend cmd "refs/heads/$b:refs/heads/$b"
2468                incr cnt
2469        }
2470        if {$cnt == 0} {
2471                return
2472        } elseif {$cnt == 1} {
2473                set unit branch
2474        } else {
2475                set unit branches
2476        }
2477
2478        set cons [new_console "push $r_url" "Pushing $cnt $unit to $r_url"]
2479        console_exec $cons $cmd console_done
2480        destroy $w
2481}
2482
2483trace add variable push_remote write \
2484        [list radio_selector push_urltype remote]
2485
2486proc do_push_anywhere {} {
2487        global all_heads all_remotes current_branch
2488        global push_urltype push_remote push_url push_thin push_tags
2489
2490        set w .push_setup
2491        toplevel $w
2492        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2493
2494        label $w.header -text {Push Branches} -font font_uibold
2495        pack $w.header -side top -fill x
2496
2497        frame $w.buttons
2498        button $w.buttons.create -text Push \
2499                -font font_ui \
2500                -command [list start_push_anywhere_action $w]
2501        pack $w.buttons.create -side right
2502        button $w.buttons.cancel -text {Cancel} \
2503                -font font_ui \
2504                -command [list destroy $w]
2505        pack $w.buttons.cancel -side right -padx 5
2506        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2507
2508        labelframe $w.source \
2509                -text {Source Branches} \
2510                -font font_ui
2511        listbox $w.source.l \
2512                -height 10 \
2513                -width 50 \
2514                -selectmode extended \
2515                -font font_ui
2516        foreach h $all_heads {
2517                $w.source.l insert end $h
2518                if {$h eq $current_branch} {
2519                        $w.source.l select set end
2520                }
2521        }
2522        pack $w.source.l -fill both -pady 5 -padx 5
2523        pack $w.source -fill both -pady 5 -padx 5
2524
2525        labelframe $w.dest \
2526                -text {Destination Repository} \
2527                -font font_ui
2528        if {$all_remotes ne {}} {
2529                radiobutton $w.dest.remote_r \
2530                        -text {Remote:} \
2531                        -value remote \
2532                        -variable push_urltype \
2533                        -font font_ui
2534                eval tk_optionMenu $w.dest.remote_m push_remote $all_remotes
2535                grid $w.dest.remote_r $w.dest.remote_m -sticky w
2536                if {[lsearch -sorted -exact $all_remotes origin] != -1} {
2537                        set push_remote origin
2538                } else {
2539                        set push_remote [lindex $all_remotes 0]
2540                }
2541                set push_urltype remote
2542        } else {
2543                set push_urltype url
2544        }
2545        radiobutton $w.dest.url_r \
2546                -text {Arbitrary URL:} \
2547                -value url \
2548                -variable push_urltype \
2549                -font font_ui
2550        entry $w.dest.url_t \
2551                -borderwidth 1 \
2552                -relief sunken \
2553                -width 50 \
2554                -textvariable push_url \
2555                -font font_ui \
2556                -validate key \
2557                -validatecommand {
2558                        if {%d == 1 && [regexp {\s} %S]} {return 0}
2559                        if {%d == 1 && [string length %S] > 0} {
2560                                set push_urltype url
2561                        }
2562                        return 1
2563                }
2564        grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
2565        grid columnconfigure $w.dest 1 -weight 1
2566        pack $w.dest -anchor nw -fill x -pady 5 -padx 5
2567
2568        labelframe $w.options \
2569                -text {Transfer Options} \
2570                -font font_ui
2571        checkbutton $w.options.thin \
2572                -text {Use thin pack (for slow network connections)} \
2573                -variable push_thin \
2574                -font font_ui
2575        grid $w.options.thin -columnspan 2 -sticky w
2576        checkbutton $w.options.tags \
2577                -text {Include tags} \
2578                -variable push_tags \
2579                -font font_ui
2580        grid $w.options.tags -columnspan 2 -sticky w
2581        grid columnconfigure $w.options 1 -weight 1
2582        pack $w.options -anchor nw -fill x -pady 5 -padx 5
2583
2584        set push_url {}
2585        set push_thin 0
2586        set push_tags 0
2587
2588        bind $w <Visibility> "grab $w"
2589        bind $w <Key-Escape> "destroy $w"
2590        wm title $w "[appname] ([reponame]): Push"
2591        tkwait window $w
2592}
2593
2594######################################################################
2595##
2596## merge
2597
2598proc can_merge {} {
2599        global HEAD commit_type file_states
2600
2601        if {[string match amend* $commit_type]} {
2602                info_popup {Cannot merge while amending.
2603
2604You must finish amending this commit before
2605starting any type of merge.
2606}
2607                return 0
2608        }
2609
2610        if {[committer_ident] eq {}} {return 0}
2611        if {![lock_index merge]} {return 0}
2612
2613        # -- Our in memory state should match the repository.
2614        #
2615        repository_state curType curHEAD curMERGE_HEAD
2616        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
2617                info_popup {Last scanned state does not match repository state.
2618
2619Another Git program has modified this repository
2620since the last scan.  A rescan must be performed
2621before a merge can be performed.
2622
2623The rescan will be automatically started now.
2624}
2625                unlock_index
2626                rescan {set ui_status_value {Ready.}}
2627                return 0
2628        }
2629
2630        foreach path [array names file_states] {
2631                switch -glob -- [lindex $file_states($path) 0] {
2632                U? {
2633                        error_popup "You are in the middle of a conflicted merge.
2634
2635File [short_path $path] has merge conflicts.
2636
2637You must resolve them, add the file, and commit to
2638complete the current merge.  Only then can you
2639begin another merge.
2640"
2641                        unlock_index
2642                        return 0
2643                }
2644                }
2645        }
2646
2647        return 1
2648}
2649
2650proc visualize_local_merge {w} {
2651        set revs {}
2652        foreach i [$w.source.l curselection] {
2653                lappend revs [$w.source.l get $i]
2654        }
2655        if {$revs eq {}} return
2656        lappend revs --not HEAD
2657        do_gitk $revs
2658}
2659
2660proc start_local_merge_action {w} {
2661        global HEAD
2662
2663        set cmd [list git merge]
2664        set names {}
2665        set revcnt 0
2666        foreach i [$w.source.l curselection] {
2667                set b [$w.source.l get $i]
2668                lappend cmd $b
2669                lappend names $b
2670                incr revcnt
2671        }
2672
2673        if {$revcnt == 0} {
2674                return
2675        } elseif {$revcnt == 1} {
2676                set unit branch
2677        } elseif {$revcnt <= 15} {
2678                set unit branches
2679        } else {
2680                tk_messageBox \
2681                        -icon error \
2682                        -type ok \
2683                        -title [wm title $w] \
2684                        -parent $w \
2685                        -message "Too many branches selected.
2686
2687You have requested to merge $revcnt branches
2688in an octopus merge.  This exceeds Git's
2689internal limit of 15 branches per merge.
2690
2691Please select fewer branches.  To merge more
2692than 15 branches, merge the branches in batches.
2693"
2694                return
2695        }
2696
2697        set cons [new_console "Merge" "Merging [join $names {, }]"]
2698        console_exec $cons $cmd finish_merge
2699        bind $w <Destroy> {}
2700        destroy $w
2701}
2702
2703proc finish_merge {w ok} {
2704        console_done $w $ok
2705        if {$ok} {
2706                set msg {Merge completed successfully.}
2707        } else {
2708                set msg {Merge failed.  Conflict resolution is required.}
2709        }
2710        unlock_index
2711        rescan [list set ui_status_value $msg]
2712}
2713
2714proc do_local_merge {} {
2715        global current_branch
2716
2717        if {![can_merge]} return
2718
2719        set w .merge_setup
2720        toplevel $w
2721        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2722
2723        label $w.header \
2724                -text "Merge Into $current_branch" \
2725                -font font_uibold
2726        pack $w.header -side top -fill x
2727
2728        frame $w.buttons
2729        button $w.buttons.visualize -text Visualize \
2730                -font font_ui \
2731                -command [list visualize_local_merge $w]
2732        pack $w.buttons.visualize -side left
2733        button $w.buttons.create -text Merge \
2734                -font font_ui \
2735                -command [list start_local_merge_action $w]
2736        pack $w.buttons.create -side right
2737        button $w.buttons.cancel -text {Cancel} \
2738                -font font_ui \
2739                -command [list destroy $w]
2740        pack $w.buttons.cancel -side right -padx 5
2741        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2742
2743        labelframe $w.source \
2744                -text {Source Branches} \
2745                -font font_ui
2746        listbox $w.source.l \
2747                -height 10 \
2748                -width 25 \
2749                -selectmode extended \
2750                -yscrollcommand [list $w.source.sby set] \
2751                -font font_ui
2752        scrollbar $w.source.sby -command [list $w.source.l yview]
2753        pack $w.source.sby -side right -fill y
2754        pack $w.source.l -side left -fill both -expand 1
2755        pack $w.source -fill both -expand 1 -pady 5 -padx 5
2756
2757        set cmd [list git for-each-ref]
2758        lappend cmd {--format=%(objectname) %(refname)}
2759        lappend cmd refs/heads
2760        lappend cmd refs/remotes
2761        set fr_fd [open "| $cmd" r]
2762        fconfigure $fr_fd -translation binary
2763        while {[gets $fr_fd line] > 0} {
2764                set line [split $line { }]
2765                set sha1([lindex $line 0]) [lindex $line 1]
2766        }
2767        close $fr_fd
2768
2769        set to_show {}
2770        set fr_fd [open "| git rev-list --all --not HEAD"]
2771        while {[gets $fr_fd line] > 0} {
2772                if {[catch {set ref $sha1($line)}]} continue
2773                regsub ^refs/(heads|remotes)/ $ref {} ref
2774                lappend to_show $ref
2775        }
2776        close $fr_fd
2777
2778        foreach ref [lsort -unique $to_show] {
2779                $w.source.l insert end $ref
2780        }
2781
2782        bind $w <Visibility> "grab $w"
2783        bind $w <Key-Escape> "unlock_index;destroy $w"
2784        bind $w <Destroy> unlock_index
2785        wm title $w "[appname] ([reponame]): Merge"
2786        tkwait window $w
2787}
2788
2789proc do_reset_hard {} {
2790        global HEAD commit_type file_states
2791
2792        if {[string match amend* $commit_type]} {
2793                info_popup {Cannot abort while amending.
2794
2795You must finish amending this commit.
2796}
2797                return
2798        }
2799
2800        if {![lock_index abort]} return
2801
2802        if {[string match *merge* $commit_type]} {
2803                set op merge
2804        } else {
2805                set op commit
2806        }
2807
2808        if {[ask_popup "Abort $op?
2809
2810Aborting the current $op will cause
2811*ALL* uncommitted changes to be lost.
2812
2813Continue with aborting the current $op?"] eq {yes}} {
2814                set fd [open "| git read-tree --reset -u HEAD" r]
2815                fconfigure $fd -blocking 0 -translation binary
2816                fileevent $fd readable [list reset_hard_wait $fd]
2817                set ui_status_value {Aborting... please wait...}
2818        } else {
2819                unlock_index
2820        }
2821}
2822
2823proc reset_hard_wait {fd} {
2824        global ui_comm
2825
2826        read $fd
2827        if {[eof $fd]} {
2828                close $fd
2829                unlock_index
2830
2831                $ui_comm delete 0.0 end
2832                $ui_comm edit modified false
2833
2834                catch {file delete [gitdir MERGE_HEAD]}
2835                catch {file delete [gitdir rr-cache MERGE_RR]}
2836                catch {file delete [gitdir SQUASH_MSG]}
2837                catch {file delete [gitdir MERGE_MSG]}
2838                catch {file delete [gitdir GITGUI_MSG]}
2839
2840                rescan {set ui_status_value {Abort completed.  Ready.}}
2841        }
2842}
2843
2844######################################################################
2845##
2846## icons
2847
2848set filemask {
2849#define mask_width 14
2850#define mask_height 15
2851static unsigned char mask_bits[] = {
2852   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2853   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2854   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2855}
2856
2857image create bitmap file_plain -background white -foreground black -data {
2858#define plain_width 14
2859#define plain_height 15
2860static unsigned char plain_bits[] = {
2861   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2862   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2863   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2864} -maskdata $filemask
2865
2866image create bitmap file_mod -background white -foreground blue -data {
2867#define mod_width 14
2868#define mod_height 15
2869static unsigned char mod_bits[] = {
2870   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2871   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2872   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2873} -maskdata $filemask
2874
2875image create bitmap file_fulltick -background white -foreground "#007000" -data {
2876#define file_fulltick_width 14
2877#define file_fulltick_height 15
2878static unsigned char file_fulltick_bits[] = {
2879   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2880   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2881   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2882} -maskdata $filemask
2883
2884image create bitmap file_parttick -background white -foreground "#005050" -data {
2885#define parttick_width 14
2886#define parttick_height 15
2887static unsigned char parttick_bits[] = {
2888   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2889   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2890   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2891} -maskdata $filemask
2892
2893image create bitmap file_question -background white -foreground black -data {
2894#define file_question_width 14
2895#define file_question_height 15
2896static unsigned char file_question_bits[] = {
2897   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2898   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2899   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2900} -maskdata $filemask
2901
2902image create bitmap file_removed -background white -foreground red -data {
2903#define file_removed_width 14
2904#define file_removed_height 15
2905static unsigned char file_removed_bits[] = {
2906   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2907   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2908   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2909} -maskdata $filemask
2910
2911image create bitmap file_merge -background white -foreground blue -data {
2912#define file_merge_width 14
2913#define file_merge_height 15
2914static unsigned char file_merge_bits[] = {
2915   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2916   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2917   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2918} -maskdata $filemask
2919
2920set ui_index .vpane.files.index.list
2921set ui_workdir .vpane.files.workdir.list
2922
2923set all_icons(_$ui_index)   file_plain
2924set all_icons(A$ui_index)   file_fulltick
2925set all_icons(M$ui_index)   file_fulltick
2926set all_icons(D$ui_index)   file_removed
2927set all_icons(U$ui_index)   file_merge
2928
2929set all_icons(_$ui_workdir) file_plain
2930set all_icons(M$ui_workdir) file_mod
2931set all_icons(D$ui_workdir) file_question
2932set all_icons(U$ui_workdir) file_merge
2933set all_icons(O$ui_workdir) file_plain
2934
2935set max_status_desc 0
2936foreach i {
2937                {__ "Unmodified"}
2938
2939                {_M "Modified, not staged"}
2940                {M_ "Staged for commit"}
2941                {MM "Portions staged for commit"}
2942                {MD "Staged for commit, missing"}
2943
2944                {_O "Untracked, not staged"}
2945                {A_ "Staged for commit"}
2946                {AM "Portions staged for commit"}
2947                {AD "Staged for commit, missing"}
2948
2949                {_D "Missing"}
2950                {D_ "Staged for removal"}
2951                {DO "Staged for removal, still present"}
2952
2953                {U_ "Requires merge resolution"}
2954                {UU "Requires merge resolution"}
2955                {UM "Requires merge resolution"}
2956                {UD "Requires merge resolution"}
2957        } {
2958        if {$max_status_desc < [string length [lindex $i 1]]} {
2959                set max_status_desc [string length [lindex $i 1]]
2960        }
2961        set all_descs([lindex $i 0]) [lindex $i 1]
2962}
2963unset i
2964
2965######################################################################
2966##
2967## util
2968
2969proc is_MacOSX {} {
2970        global tcl_platform tk_library
2971        if {[tk windowingsystem] eq {aqua}} {
2972                return 1
2973        }
2974        return 0
2975}
2976
2977proc is_Windows {} {
2978        global tcl_platform
2979        if {$tcl_platform(platform) eq {windows}} {
2980                return 1
2981        }
2982        return 0
2983}
2984
2985proc bind_button3 {w cmd} {
2986        bind $w <Any-Button-3> $cmd
2987        if {[is_MacOSX]} {
2988                bind $w <Control-Button-1> $cmd
2989        }
2990}
2991
2992proc incr_font_size {font {amt 1}} {
2993        set sz [font configure $font -size]
2994        incr sz $amt
2995        font configure $font -size $sz
2996        font configure ${font}bold -size $sz
2997}
2998
2999proc hook_failed_popup {hook msg} {
3000        set w .hookfail
3001        toplevel $w
3002
3003        frame $w.m
3004        label $w.m.l1 -text "$hook hook failed:" \
3005                -anchor w \
3006                -justify left \
3007                -font font_uibold
3008        text $w.m.t \
3009                -background white -borderwidth 1 \
3010                -relief sunken \
3011                -width 80 -height 10 \
3012                -font font_diff \
3013                -yscrollcommand [list $w.m.sby set]
3014        label $w.m.l2 \
3015                -text {You must correct the above errors before committing.} \
3016                -anchor w \
3017                -justify left \
3018                -font font_uibold
3019        scrollbar $w.m.sby -command [list $w.m.t yview]
3020        pack $w.m.l1 -side top -fill x
3021        pack $w.m.l2 -side bottom -fill x
3022        pack $w.m.sby -side right -fill y
3023        pack $w.m.t -side left -fill both -expand 1
3024        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3025
3026        $w.m.t insert 1.0 $msg
3027        $w.m.t conf -state disabled
3028
3029        button $w.ok -text OK \
3030                -width 15 \
3031                -font font_ui \
3032                -command "destroy $w"
3033        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3034
3035        bind $w <Visibility> "grab $w; focus $w"
3036        bind $w <Key-Return> "destroy $w"
3037        wm title $w "[appname] ([reponame]): error"
3038        tkwait window $w
3039}
3040
3041set next_console_id 0
3042
3043proc new_console {short_title long_title} {
3044        global next_console_id console_data
3045        set w .console[incr next_console_id]
3046        set console_data($w) [list $short_title $long_title]
3047        return [console_init $w]
3048}
3049
3050proc console_init {w} {
3051        global console_cr console_data M1B
3052
3053        set console_cr($w) 1.0
3054        toplevel $w
3055        frame $w.m
3056        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
3057                -anchor w \
3058                -justify left \
3059                -font font_uibold
3060        text $w.m.t \
3061                -background white -borderwidth 1 \
3062                -relief sunken \
3063                -width 80 -height 10 \
3064                -font font_diff \
3065                -state disabled \
3066                -yscrollcommand [list $w.m.sby set]
3067        label $w.m.s -text {Working... please wait...} \
3068                -anchor w \
3069                -justify left \
3070                -font font_uibold
3071        scrollbar $w.m.sby -command [list $w.m.t yview]
3072        pack $w.m.l1 -side top -fill x
3073        pack $w.m.s -side bottom -fill x
3074        pack $w.m.sby -side right -fill y
3075        pack $w.m.t -side left -fill both -expand 1
3076        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3077
3078        menu $w.ctxm -tearoff 0
3079        $w.ctxm add command -label "Copy" \
3080                -font font_ui \
3081                -command "tk_textCopy $w.m.t"
3082        $w.ctxm add command -label "Select All" \
3083                -font font_ui \
3084                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
3085        $w.ctxm add command -label "Copy All" \
3086                -font font_ui \
3087                -command "
3088                        $w.m.t tag add sel 0.0 end
3089                        tk_textCopy $w.m.t
3090                        $w.m.t tag remove sel 0.0 end
3091                "
3092
3093        button $w.ok -text {Close} \
3094                -font font_ui \
3095                -state disabled \
3096                -command "destroy $w"
3097        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3098
3099        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
3100        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
3101        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
3102        bind $w <Visibility> "focus $w"
3103        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
3104        return $w
3105}
3106
3107proc console_exec {w cmd after} {
3108        # -- Windows tosses the enviroment when we exec our child.
3109        #    But most users need that so we have to relogin. :-(
3110        #
3111        if {[is_Windows]} {
3112                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
3113        }
3114
3115        # -- Tcl won't let us redirect both stdout and stderr to
3116        #    the same pipe.  So pass it through cat...
3117        #
3118        set cmd [concat | $cmd |& cat]
3119
3120        set fd_f [open $cmd r]
3121        fconfigure $fd_f -blocking 0 -translation binary
3122        fileevent $fd_f readable [list console_read $w $fd_f $after]
3123}
3124
3125proc console_read {w fd after} {
3126        global console_cr
3127
3128        set buf [read $fd]
3129        if {$buf ne {}} {
3130                if {![winfo exists $w]} {console_init $w}
3131                $w.m.t conf -state normal
3132                set c 0
3133                set n [string length $buf]
3134                while {$c < $n} {
3135                        set cr [string first "\r" $buf $c]
3136                        set lf [string first "\n" $buf $c]
3137                        if {$cr < 0} {set cr [expr {$n + 1}]}
3138                        if {$lf < 0} {set lf [expr {$n + 1}]}
3139
3140                        if {$lf < $cr} {
3141                                $w.m.t insert end [string range $buf $c $lf]
3142                                set console_cr($w) [$w.m.t index {end -1c}]
3143                                set c $lf
3144                                incr c
3145                        } else {
3146                                $w.m.t delete $console_cr($w) end
3147                                $w.m.t insert end "\n"
3148                                $w.m.t insert end [string range $buf $c $cr]
3149                                set c $cr
3150                                incr c
3151                        }
3152                }
3153                $w.m.t conf -state disabled
3154                $w.m.t see end
3155        }
3156
3157        fconfigure $fd -blocking 1
3158        if {[eof $fd]} {
3159                if {[catch {close $fd}]} {
3160                        set ok 0
3161                } else {
3162                        set ok 1
3163                }
3164                uplevel #0 $after $w $ok
3165                return
3166        }
3167        fconfigure $fd -blocking 0
3168}
3169
3170proc console_chain {cmdlist w {ok 1}} {
3171        if {$ok} {
3172                if {[llength $cmdlist] == 0} {
3173                        console_done $w $ok
3174                        return
3175                }
3176
3177                set cmd [lindex $cmdlist 0]
3178                set cmdlist [lrange $cmdlist 1 end]
3179
3180                if {[lindex $cmd 0] eq {console_exec}} {
3181                        console_exec $w \
3182                                [lindex $cmd 1] \
3183                                [list console_chain $cmdlist]
3184                } else {
3185                        uplevel #0 $cmd $cmdlist $w $ok
3186                }
3187        } else {
3188                console_done $w $ok
3189        }
3190}
3191
3192proc console_done {args} {
3193        global console_cr console_data
3194
3195        switch -- [llength $args] {
3196        2 {
3197                set w [lindex $args 0]
3198                set ok [lindex $args 1]
3199        }
3200        3 {
3201                set w [lindex $args 1]
3202                set ok [lindex $args 2]
3203        }
3204        default {
3205                error "wrong number of args: console_done ?ignored? w ok"
3206        }
3207        }
3208
3209        if {$ok} {
3210                if {[winfo exists $w]} {
3211                        $w.m.s conf -background green -text {Success}
3212                        $w.ok conf -state normal
3213                }
3214        } else {
3215                if {![winfo exists $w]} {
3216                        console_init $w
3217                }
3218                $w.m.s conf -background red -text {Error: Command Failed}
3219                $w.ok conf -state normal
3220        }
3221
3222        array unset console_cr $w
3223        array unset console_data $w
3224}
3225
3226######################################################################
3227##
3228## ui commands
3229
3230set starting_gitk_msg {Starting gitk... please wait...}
3231
3232proc do_gitk {revs} {
3233        global ui_status_value starting_gitk_msg
3234
3235        set cmd gitk
3236        if {$revs ne {}} {
3237                append cmd { }
3238                append cmd $revs
3239        }
3240        if {[is_Windows]} {
3241                set cmd "sh -c \"exec $cmd\""
3242        }
3243        append cmd { &}
3244
3245        if {[catch {eval exec $cmd} err]} {
3246                error_popup "Failed to start gitk:\n\n$err"
3247        } else {
3248                set ui_status_value $starting_gitk_msg
3249                after 10000 {
3250                        if {$ui_status_value eq $starting_gitk_msg} {
3251                                set ui_status_value {Ready.}
3252                        }
3253                }
3254        }
3255}
3256
3257proc do_stats {} {
3258        set fd [open "| git count-objects -v" r]
3259        while {[gets $fd line] > 0} {
3260                if {[regexp {^([^:]+): (\d+)$} $line _ name value]} {
3261                        set stats($name) $value
3262                }
3263        }
3264        close $fd
3265
3266        set packed_sz 0
3267        foreach p [glob -directory [gitdir objects pack] \
3268                -type f \
3269                -nocomplain -- *] {
3270                incr packed_sz [file size $p]
3271        }
3272        if {$packed_sz > 0} {
3273                set stats(size-pack) [expr {$packed_sz / 1024}]
3274        }
3275
3276        set w .stats_view
3277        toplevel $w
3278        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3279
3280        label $w.header -text {Database Statistics} \
3281                -font font_uibold
3282        pack $w.header -side top -fill x
3283
3284        frame $w.buttons -border 1
3285        button $w.buttons.close -text Close \
3286                -font font_ui \
3287                -command [list destroy $w]
3288        button $w.buttons.gc -text {Compress Database} \
3289                -font font_ui \
3290                -command "destroy $w;do_gc"
3291        pack $w.buttons.close -side right
3292        pack $w.buttons.gc -side left
3293        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3294
3295        frame $w.stat -borderwidth 1 -relief solid
3296        foreach s {
3297                {count           {Number of loose objects}}
3298                {size            {Disk space used by loose objects} { KiB}}
3299                {in-pack         {Number of packed objects}}
3300                {packs           {Number of packs}}
3301                {size-pack       {Disk space used by packed objects} { KiB}}
3302                {prune-packable  {Packed objects waiting for pruning}}
3303                {garbage         {Garbage files}}
3304                } {
3305                set name [lindex $s 0]
3306                set label [lindex $s 1]
3307                if {[catch {set value $stats($name)}]} continue
3308                if {[llength $s] > 2} {
3309                        set value "$value[lindex $s 2]"
3310                }
3311
3312                label $w.stat.l_$name -text "$label:" -anchor w -font font_ui
3313                label $w.stat.v_$name -text $value -anchor w -font font_ui
3314                grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
3315        }
3316        pack $w.stat -pady 10 -padx 10
3317
3318        bind $w <Visibility> "grab $w; focus $w"
3319        bind $w <Key-Escape> [list destroy $w]
3320        bind $w <Key-Return> [list destroy $w]
3321        wm title $w "[appname] ([reponame]): Database Statistics"
3322        tkwait window $w
3323}
3324
3325proc do_gc {} {
3326        set w [new_console {gc} {Compressing the object database}]
3327        console_chain {
3328                {console_exec {git pack-refs --prune}}
3329                {console_exec {git reflog expire --all}}
3330                {console_exec {git repack -a -d -l}}
3331                {console_exec {git rerere gc}}
3332        } $w
3333}
3334
3335proc do_fsck_objects {} {
3336        set w [new_console {fsck-objects} \
3337                {Verifying the object database with fsck-objects}]
3338        set cmd [list git fsck-objects]
3339        lappend cmd --full
3340        lappend cmd --cache
3341        lappend cmd --strict
3342        console_exec $w $cmd console_done
3343}
3344
3345set is_quitting 0
3346
3347proc do_quit {} {
3348        global ui_comm is_quitting repo_config commit_type
3349
3350        if {$is_quitting} return
3351        set is_quitting 1
3352
3353        # -- Stash our current commit buffer.
3354        #
3355        set save [gitdir GITGUI_MSG]
3356        set msg [string trim [$ui_comm get 0.0 end]]
3357        regsub -all -line {[ \r\t]+$} $msg {} msg
3358        if {(![string match amend* $commit_type]
3359                || [$ui_comm edit modified])
3360                && $msg ne {}} {
3361                catch {
3362                        set fd [open $save w]
3363                        puts -nonewline $fd $msg
3364                        close $fd
3365                }
3366        } else {
3367                catch {file delete $save}
3368        }
3369
3370        # -- Stash our current window geometry into this repository.
3371        #
3372        set cfg_geometry [list]
3373        lappend cfg_geometry [wm geometry .]
3374        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
3375        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
3376        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
3377                set rc_geometry {}
3378        }
3379        if {$cfg_geometry ne $rc_geometry} {
3380                catch {exec git repo-config gui.geometry $cfg_geometry}
3381        }
3382
3383        destroy .
3384}
3385
3386proc do_rescan {} {
3387        rescan {set ui_status_value {Ready.}}
3388}
3389
3390proc unstage_helper {txt paths} {
3391        global file_states current_diff_path
3392
3393        if {![lock_index begin-update]} return
3394
3395        set pathList [list]
3396        set after {}
3397        foreach path $paths {
3398                switch -glob -- [lindex $file_states($path) 0] {
3399                A? -
3400                M? -
3401                D? {
3402                        lappend pathList $path
3403                        if {$path eq $current_diff_path} {
3404                                set after {reshow_diff;}
3405                        }
3406                }
3407                }
3408        }
3409        if {$pathList eq {}} {
3410                unlock_index
3411        } else {
3412                update_indexinfo \
3413                        $txt \
3414                        $pathList \
3415                        [concat $after {set ui_status_value {Ready.}}]
3416        }
3417}
3418
3419proc do_unstage_selection {} {
3420        global current_diff_path selected_paths
3421
3422        if {[array size selected_paths] > 0} {
3423                unstage_helper \
3424                        {Unstaging selected files from commit} \
3425                        [array names selected_paths]
3426        } elseif {$current_diff_path ne {}} {
3427                unstage_helper \
3428                        "Unstaging [short_path $current_diff_path] from commit" \
3429                        [list $current_diff_path]
3430        }
3431}
3432
3433proc add_helper {txt paths} {
3434        global file_states current_diff_path
3435
3436        if {![lock_index begin-update]} return
3437
3438        set pathList [list]
3439        set after {}
3440        foreach path $paths {
3441                switch -glob -- [lindex $file_states($path) 0] {
3442                _O -
3443                ?M -
3444                ?D -
3445                U? {
3446                        lappend pathList $path
3447                        if {$path eq $current_diff_path} {
3448                                set after {reshow_diff;}
3449                        }
3450                }
3451                }
3452        }
3453        if {$pathList eq {}} {
3454                unlock_index
3455        } else {
3456                update_index \
3457                        $txt \
3458                        $pathList \
3459                        [concat $after {set ui_status_value {Ready to commit.}}]
3460        }
3461}
3462
3463proc do_add_selection {} {
3464        global current_diff_path selected_paths
3465
3466        if {[array size selected_paths] > 0} {
3467                add_helper \
3468                        {Adding selected files} \
3469                        [array names selected_paths]
3470        } elseif {$current_diff_path ne {}} {
3471                add_helper \
3472                        "Adding [short_path $current_diff_path]" \
3473                        [list $current_diff_path]
3474        }
3475}
3476
3477proc do_add_all {} {
3478        global file_states
3479
3480        set paths [list]
3481        foreach path [array names file_states] {
3482                switch -glob -- [lindex $file_states($path) 0] {
3483                U? {continue}
3484                ?M -
3485                ?D {lappend paths $path}
3486                }
3487        }
3488        add_helper {Adding all changed files} $paths
3489}
3490
3491proc revert_helper {txt paths} {
3492        global file_states current_diff_path
3493
3494        if {![lock_index begin-update]} return
3495
3496        set pathList [list]
3497        set after {}
3498        foreach path $paths {
3499                switch -glob -- [lindex $file_states($path) 0] {
3500                U? {continue}
3501                ?M -
3502                ?D {
3503                        lappend pathList $path
3504                        if {$path eq $current_diff_path} {
3505                                set after {reshow_diff;}
3506                        }
3507                }
3508                }
3509        }
3510
3511        set n [llength $pathList]
3512        if {$n == 0} {
3513                unlock_index
3514                return
3515        } elseif {$n == 1} {
3516                set s "[short_path [lindex $pathList]]"
3517        } else {
3518                set s "these $n files"
3519        }
3520
3521        set reply [tk_dialog \
3522                .confirm_revert \
3523                "[appname] ([reponame])" \
3524                "Revert changes in $s?
3525
3526Any unadded changes will be permanently lost by the revert." \
3527                question \
3528                1 \
3529                {Do Nothing} \
3530                {Revert Changes} \
3531                ]
3532        if {$reply == 1} {
3533                checkout_index \
3534                        $txt \
3535                        $pathList \
3536                        [concat $after {set ui_status_value {Ready.}}]
3537        } else {
3538                unlock_index
3539        }
3540}
3541
3542proc do_revert_selection {} {
3543        global current_diff_path selected_paths
3544
3545        if {[array size selected_paths] > 0} {
3546                revert_helper \
3547                        {Reverting selected files} \
3548                        [array names selected_paths]
3549        } elseif {$current_diff_path ne {}} {
3550                revert_helper \
3551                        "Reverting [short_path $current_diff_path]" \
3552                        [list $current_diff_path]
3553        }
3554}
3555
3556proc do_signoff {} {
3557        global ui_comm
3558
3559        set me [committer_ident]
3560        if {$me eq {}} return
3561
3562        set sob "Signed-off-by: $me"
3563        set last [$ui_comm get {end -1c linestart} {end -1c}]
3564        if {$last ne $sob} {
3565                $ui_comm edit separator
3566                if {$last ne {}
3567                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
3568                        $ui_comm insert end "\n"
3569                }
3570                $ui_comm insert end "\n$sob"
3571                $ui_comm edit separator
3572                $ui_comm see end
3573        }
3574}
3575
3576proc do_select_commit_type {} {
3577        global commit_type selected_commit_type
3578
3579        if {$selected_commit_type eq {new}
3580                && [string match amend* $commit_type]} {
3581                create_new_commit
3582        } elseif {$selected_commit_type eq {amend}
3583                && ![string match amend* $commit_type]} {
3584                load_last_commit
3585
3586                # The amend request was rejected...
3587                #
3588                if {![string match amend* $commit_type]} {
3589                        set selected_commit_type new
3590                }
3591        }
3592}
3593
3594proc do_commit {} {
3595        commit_tree
3596}
3597
3598proc do_about {} {
3599        global appvers copyright
3600        global tcl_patchLevel tk_patchLevel
3601
3602        set w .about_dialog
3603        toplevel $w
3604        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3605
3606        label $w.header -text "About [appname]" \
3607                -font font_uibold
3608        pack $w.header -side top -fill x
3609
3610        frame $w.buttons
3611        button $w.buttons.close -text {Close} \
3612                -font font_ui \
3613                -command [list destroy $w]
3614        pack $w.buttons.close -side right
3615        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3616
3617        label $w.desc \
3618                -text "[appname] - a commit creation tool for Git.
3619$copyright" \
3620                -padx 5 -pady 5 \
3621                -justify left \
3622                -anchor w \
3623                -borderwidth 1 \
3624                -relief solid \
3625                -font font_ui
3626        pack $w.desc -side top -fill x -padx 5 -pady 5
3627
3628        set v {}
3629        append v "[appname] version $appvers\n"
3630        append v "[exec git version]\n"
3631        append v "\n"
3632        if {$tcl_patchLevel eq $tk_patchLevel} {
3633                append v "Tcl/Tk version $tcl_patchLevel"
3634        } else {
3635                append v "Tcl version $tcl_patchLevel"
3636                append v ", Tk version $tk_patchLevel"
3637        }
3638
3639        label $w.vers \
3640                -text $v \
3641                -padx 5 -pady 5 \
3642                -justify left \
3643                -anchor w \
3644                -borderwidth 1 \
3645                -relief solid \
3646                -font font_ui
3647        pack $w.vers -side top -fill x -padx 5 -pady 5
3648
3649        menu $w.ctxm -tearoff 0
3650        $w.ctxm add command \
3651                -label {Copy} \
3652                -font font_ui \
3653                -command "
3654                clipboard clear
3655                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
3656        "
3657
3658        bind $w <Visibility> "grab $w; focus $w"
3659        bind $w <Key-Escape> "destroy $w"
3660        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
3661        wm title $w "About [appname]"
3662        tkwait window $w
3663}
3664
3665proc do_options {} {
3666        global repo_config global_config font_descs
3667        global repo_config_new global_config_new
3668
3669        array unset repo_config_new
3670        array unset global_config_new
3671        foreach name [array names repo_config] {
3672                set repo_config_new($name) $repo_config($name)
3673        }
3674        load_config 1
3675        foreach name [array names repo_config] {
3676                switch -- $name {
3677                gui.diffcontext {continue}
3678                }
3679                set repo_config_new($name) $repo_config($name)
3680        }
3681        foreach name [array names global_config] {
3682                set global_config_new($name) $global_config($name)
3683        }
3684
3685        set w .options_editor
3686        toplevel $w
3687        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3688
3689        label $w.header -text "[appname] Options" \
3690                -font font_uibold
3691        pack $w.header -side top -fill x
3692
3693        frame $w.buttons
3694        button $w.buttons.restore -text {Restore Defaults} \
3695                -font font_ui \
3696                -command do_restore_defaults
3697        pack $w.buttons.restore -side left
3698        button $w.buttons.save -text Save \
3699                -font font_ui \
3700                -command [list do_save_config $w]
3701        pack $w.buttons.save -side right
3702        button $w.buttons.cancel -text {Cancel} \
3703                -font font_ui \
3704                -command [list destroy $w]
3705        pack $w.buttons.cancel -side right -padx 5
3706        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3707
3708        labelframe $w.repo -text "[reponame] Repository" \
3709                -font font_ui
3710        labelframe $w.global -text {Global (All Repositories)} \
3711                -font font_ui
3712        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
3713        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
3714
3715        foreach option {
3716                {b pullsummary {Show Pull Summary}}
3717                {b trustmtime  {Trust File Modification Timestamps}}
3718                {i diffcontext {Number of Diff Context Lines}}
3719                {t newbranchtemplate {New Branch Name Template}}
3720                } {
3721                set type [lindex $option 0]
3722                set name [lindex $option 1]
3723                set text [lindex $option 2]
3724                foreach f {repo global} {
3725                        switch $type {
3726                        b {
3727                                checkbutton $w.$f.$name -text $text \
3728                                        -variable ${f}_config_new(gui.$name) \
3729                                        -onvalue true \
3730                                        -offvalue false \
3731                                        -font font_ui
3732                                pack $w.$f.$name -side top -anchor w
3733                        }
3734                        i {
3735                                frame $w.$f.$name
3736                                label $w.$f.$name.l -text "$text:" -font font_ui
3737                                pack $w.$f.$name.l -side left -anchor w -fill x
3738                                spinbox $w.$f.$name.v \
3739                                        -textvariable ${f}_config_new(gui.$name) \
3740                                        -from 1 -to 99 -increment 1 \
3741                                        -width 3 \
3742                                        -font font_ui
3743                                bind $w.$f.$name.v <FocusIn> {%W selection range 0 end}
3744                                pack $w.$f.$name.v -side right -anchor e -padx 5
3745                                pack $w.$f.$name -side top -anchor w -fill x
3746                        }
3747                        t {
3748                                frame $w.$f.$name
3749                                label $w.$f.$name.l -text "$text:" -font font_ui
3750                                entry $w.$f.$name.v \
3751                                        -borderwidth 1 \
3752                                        -relief sunken \
3753                                        -width 20 \
3754                                        -textvariable ${f}_config_new(gui.$name) \
3755                                        -font font_ui
3756                                pack $w.$f.$name.l -side left -anchor w
3757                                pack $w.$f.$name.v -side left -anchor w \
3758                                        -fill x -expand 1 \
3759                                        -padx 5
3760                                pack $w.$f.$name -side top -anchor w -fill x
3761                        }
3762                        }
3763                }
3764        }
3765
3766        set all_fonts [lsort [font families]]
3767        foreach option $font_descs {
3768                set name [lindex $option 0]
3769                set font [lindex $option 1]
3770                set text [lindex $option 2]
3771
3772                set global_config_new(gui.$font^^family) \
3773                        [font configure $font -family]
3774                set global_config_new(gui.$font^^size) \
3775                        [font configure $font -size]
3776
3777                frame $w.global.$name
3778                label $w.global.$name.l -text "$text:" -font font_ui
3779                pack $w.global.$name.l -side left -anchor w -fill x
3780                eval tk_optionMenu $w.global.$name.family \
3781                        global_config_new(gui.$font^^family) \
3782                        $all_fonts
3783                spinbox $w.global.$name.size \
3784                        -textvariable global_config_new(gui.$font^^size) \
3785                        -from 2 -to 80 -increment 1 \
3786                        -width 3 \
3787                        -font font_ui
3788                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
3789                pack $w.global.$name.size -side right -anchor e
3790                pack $w.global.$name.family -side right -anchor e
3791                pack $w.global.$name -side top -anchor w -fill x
3792        }
3793
3794        bind $w <Visibility> "grab $w; focus $w"
3795        bind $w <Key-Escape> "destroy $w"
3796        wm title $w "[appname] ([reponame]): Options"
3797        tkwait window $w
3798}
3799
3800proc do_restore_defaults {} {
3801        global font_descs default_config repo_config
3802        global repo_config_new global_config_new
3803
3804        foreach name [array names default_config] {
3805                set repo_config_new($name) $default_config($name)
3806                set global_config_new($name) $default_config($name)
3807        }
3808
3809        foreach option $font_descs {
3810                set name [lindex $option 0]
3811                set repo_config(gui.$name) $default_config(gui.$name)
3812        }
3813        apply_config
3814
3815        foreach option $font_descs {
3816                set name [lindex $option 0]
3817                set font [lindex $option 1]
3818                set global_config_new(gui.$font^^family) \
3819                        [font configure $font -family]
3820                set global_config_new(gui.$font^^size) \
3821                        [font configure $font -size]
3822        }
3823}
3824
3825proc do_save_config {w} {
3826        if {[catch {save_config} err]} {
3827                error_popup "Failed to completely save options:\n\n$err"
3828        }
3829        reshow_diff
3830        destroy $w
3831}
3832
3833proc do_windows_shortcut {} {
3834        global argv0
3835
3836        if {[catch {
3837                set desktop [exec cygpath \
3838                        --windows \
3839                        --absolute \
3840                        --long-name \
3841                        --desktop]
3842                }]} {
3843                        set desktop .
3844        }
3845        set fn [tk_getSaveFile \
3846                -parent . \
3847                -title "[appname] ([reponame]): Create Desktop Icon" \
3848                -initialdir $desktop \
3849                -initialfile "Git [reponame].bat"]
3850        if {$fn != {}} {
3851                if {[catch {
3852                                set fd [open $fn w]
3853                                set sh [exec cygpath \
3854                                        --windows \
3855                                        --absolute \
3856                                        /bin/sh]
3857                                set me [exec cygpath \
3858                                        --unix \
3859                                        --absolute \
3860                                        $argv0]
3861                                set gd [exec cygpath \
3862                                        --unix \
3863                                        --absolute \
3864                                        [gitdir]]
3865                                set gw [exec cygpath \
3866                                        --windows \
3867                                        --absolute \
3868                                        [file dirname [gitdir]]]
3869                                regsub -all ' $me "'\\''" me
3870                                regsub -all ' $gd "'\\''" gd
3871                                puts $fd "@ECHO Entering $gw"
3872                                puts $fd "@ECHO Starting git-gui... please wait..."
3873                                puts -nonewline $fd "@\"$sh\" --login -c \""
3874                                puts -nonewline $fd "GIT_DIR='$gd'"
3875                                puts -nonewline $fd " '$me'"
3876                                puts $fd "&\""
3877                                close $fd
3878                        } err]} {
3879                        error_popup "Cannot write script:\n\n$err"
3880                }
3881        }
3882}
3883
3884proc do_macosx_app {} {
3885        global argv0 env
3886
3887        set fn [tk_getSaveFile \
3888                -parent . \
3889                -title "[appname] ([reponame]): Create Desktop Icon" \
3890                -initialdir [file join $env(HOME) Desktop] \
3891                -initialfile "Git [reponame].app"]
3892        if {$fn != {}} {
3893                if {[catch {
3894                                set Contents [file join $fn Contents]
3895                                set MacOS [file join $Contents MacOS]
3896                                set exe [file join $MacOS git-gui]
3897
3898                                file mkdir $MacOS
3899
3900                                set fd [open [file join $Contents Info.plist] w]
3901                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3902<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3903<plist version="1.0">
3904<dict>
3905        <key>CFBundleDevelopmentRegion</key>
3906        <string>English</string>
3907        <key>CFBundleExecutable</key>
3908        <string>git-gui</string>
3909        <key>CFBundleIdentifier</key>
3910        <string>org.spearce.git-gui</string>
3911        <key>CFBundleInfoDictionaryVersion</key>
3912        <string>6.0</string>
3913        <key>CFBundlePackageType</key>
3914        <string>APPL</string>
3915        <key>CFBundleSignature</key>
3916        <string>????</string>
3917        <key>CFBundleVersion</key>
3918        <string>1.0</string>
3919        <key>NSPrincipalClass</key>
3920        <string>NSApplication</string>
3921</dict>
3922</plist>}
3923                                close $fd
3924
3925                                set fd [open $exe w]
3926                                set gd [file normalize [gitdir]]
3927                                set ep [file normalize [exec git --exec-path]]
3928                                regsub -all ' $gd "'\\''" gd
3929                                regsub -all ' $ep "'\\''" ep
3930                                puts $fd "#!/bin/sh"
3931                                foreach name [array names env] {
3932                                        if {[string match GIT_* $name]} {
3933                                                regsub -all ' $env($name) "'\\''" v
3934                                                puts $fd "export $name='$v'"
3935                                        }
3936                                }
3937                                puts $fd "export PATH='$ep':\$PATH"
3938                                puts $fd "export GIT_DIR='$gd'"
3939                                puts $fd "exec [file normalize $argv0]"
3940                                close $fd
3941
3942                                file attributes $exe -permissions u+x,g+x,o+x
3943                        } err]} {
3944                        error_popup "Cannot write icon:\n\n$err"
3945                }
3946        }
3947}
3948
3949proc toggle_or_diff {w x y} {
3950        global file_states file_lists current_diff_path ui_index ui_workdir
3951        global last_clicked selected_paths
3952
3953        set pos [split [$w index @$x,$y] .]
3954        set lno [lindex $pos 0]
3955        set col [lindex $pos 1]
3956        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3957        if {$path eq {}} {
3958                set last_clicked {}
3959                return
3960        }
3961
3962        set last_clicked [list $w $lno]
3963        array unset selected_paths
3964        $ui_index tag remove in_sel 0.0 end
3965        $ui_workdir tag remove in_sel 0.0 end
3966
3967        if {$col == 0} {
3968                if {$current_diff_path eq $path} {
3969                        set after {reshow_diff;}
3970                } else {
3971                        set after {}
3972                }
3973                if {$w eq $ui_index} {
3974                        update_indexinfo \
3975                                "Unstaging [short_path $path] from commit" \
3976                                [list $path] \
3977                                [concat $after {set ui_status_value {Ready.}}]
3978                } elseif {$w eq $ui_workdir} {
3979                        update_index \
3980                                "Adding [short_path $path]" \
3981                                [list $path] \
3982                                [concat $after {set ui_status_value {Ready.}}]
3983                }
3984        } else {
3985                show_diff $path $w $lno
3986        }
3987}
3988
3989proc add_one_to_selection {w x y} {
3990        global file_lists last_clicked selected_paths
3991
3992        set lno [lindex [split [$w index @$x,$y] .] 0]
3993        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3994        if {$path eq {}} {
3995                set last_clicked {}
3996                return
3997        }
3998
3999        if {$last_clicked ne {}
4000                && [lindex $last_clicked 0] ne $w} {
4001                array unset selected_paths
4002                [lindex $last_clicked 0] tag remove in_sel 0.0 end
4003        }
4004
4005        set last_clicked [list $w $lno]
4006        if {[catch {set in_sel $selected_paths($path)}]} {
4007                set in_sel 0
4008        }
4009        if {$in_sel} {
4010                unset selected_paths($path)
4011                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
4012        } else {
4013                set selected_paths($path) 1
4014                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
4015        }
4016}
4017
4018proc add_range_to_selection {w x y} {
4019        global file_lists last_clicked selected_paths
4020
4021        if {[lindex $last_clicked 0] ne $w} {
4022                toggle_or_diff $w $x $y
4023                return
4024        }
4025
4026        set lno [lindex [split [$w index @$x,$y] .] 0]
4027        set lc [lindex $last_clicked 1]
4028        if {$lc < $lno} {
4029                set begin $lc
4030                set end $lno
4031        } else {
4032                set begin $lno
4033                set end $lc
4034        }
4035
4036        foreach path [lrange $file_lists($w) \
4037                [expr {$begin - 1}] \
4038                [expr {$end - 1}]] {
4039                set selected_paths($path) 1
4040        }
4041        $w tag add in_sel $begin.0 [expr {$end + 1}].0
4042}
4043
4044######################################################################
4045##
4046## config defaults
4047
4048set cursor_ptr arrow
4049font create font_diff -family Courier -size 10
4050font create font_ui
4051catch {
4052        label .dummy
4053        eval font configure font_ui [font actual [.dummy cget -font]]
4054        destroy .dummy
4055}
4056
4057font create font_uibold
4058font create font_diffbold
4059
4060if {[is_Windows]} {
4061        set M1B Control
4062        set M1T Ctrl
4063} elseif {[is_MacOSX]} {
4064        set M1B M1
4065        set M1T Cmd
4066} else {
4067        set M1B M1
4068        set M1T M1
4069}
4070
4071proc apply_config {} {
4072        global repo_config font_descs
4073
4074        foreach option $font_descs {
4075                set name [lindex $option 0]
4076                set font [lindex $option 1]
4077                if {[catch {
4078                        foreach {cn cv} $repo_config(gui.$name) {
4079                                font configure $font $cn $cv
4080                        }
4081                        } err]} {
4082                        error_popup "Invalid font specified in gui.$name:\n\n$err"
4083                }
4084                foreach {cn cv} [font configure $font] {
4085                        font configure ${font}bold $cn $cv
4086                }
4087                font configure ${font}bold -weight bold
4088        }
4089}
4090
4091set default_config(gui.trustmtime) false
4092set default_config(gui.pullsummary) true
4093set default_config(gui.diffcontext) 5
4094set default_config(gui.newbranchtemplate) {}
4095set default_config(gui.fontui) [font configure font_ui]
4096set default_config(gui.fontdiff) [font configure font_diff]
4097set font_descs {
4098        {fontui   font_ui   {Main Font}}
4099        {fontdiff font_diff {Diff/Console Font}}
4100}
4101load_config 0
4102apply_config
4103
4104######################################################################
4105##
4106## ui construction
4107
4108# -- Menu Bar
4109#
4110menu .mbar -tearoff 0
4111.mbar add cascade -label Repository -menu .mbar.repository
4112.mbar add cascade -label Edit -menu .mbar.edit
4113if {!$single_commit} {
4114        .mbar add cascade -label Branch -menu .mbar.branch
4115}
4116.mbar add cascade -label Commit -menu .mbar.commit
4117if {!$single_commit} {
4118        .mbar add cascade -label Merge -menu .mbar.merge
4119        .mbar add cascade -label Fetch -menu .mbar.fetch
4120        .mbar add cascade -label Push -menu .mbar.push
4121}
4122. configure -menu .mbar
4123
4124# -- Repository Menu
4125#
4126menu .mbar.repository
4127.mbar.repository add command \
4128        -label {Visualize Current Branch} \
4129        -command {do_gitk {}} \
4130        -font font_ui
4131.mbar.repository add command \
4132        -label {Visualize All Branches} \
4133        -command {do_gitk {--all}} \
4134        -font font_ui
4135.mbar.repository add separator
4136
4137if {!$single_commit} {
4138        .mbar.repository add command -label {Database Statistics} \
4139                -command do_stats \
4140                -font font_ui
4141
4142        .mbar.repository add command -label {Compress Database} \
4143                -command do_gc \
4144                -font font_ui
4145
4146        .mbar.repository add command -label {Verify Database} \
4147                -command do_fsck_objects \
4148                -font font_ui
4149
4150        .mbar.repository add separator
4151
4152        if {[is_Windows]} {
4153                .mbar.repository add command \
4154                        -label {Create Desktop Icon} \
4155                        -command do_windows_shortcut \
4156                        -font font_ui
4157        } elseif {[is_MacOSX]} {
4158                .mbar.repository add command \
4159                        -label {Create Desktop Icon} \
4160                        -command do_macosx_app \
4161                        -font font_ui
4162        }
4163}
4164
4165.mbar.repository add command -label Quit \
4166        -command do_quit \
4167        -accelerator $M1T-Q \
4168        -font font_ui
4169
4170# -- Edit Menu
4171#
4172menu .mbar.edit
4173.mbar.edit add command -label Undo \
4174        -command {catch {[focus] edit undo}} \
4175        -accelerator $M1T-Z \
4176        -font font_ui
4177.mbar.edit add command -label Redo \
4178        -command {catch {[focus] edit redo}} \
4179        -accelerator $M1T-Y \
4180        -font font_ui
4181.mbar.edit add separator
4182.mbar.edit add command -label Cut \
4183        -command {catch {tk_textCut [focus]}} \
4184        -accelerator $M1T-X \
4185        -font font_ui
4186.mbar.edit add command -label Copy \
4187        -command {catch {tk_textCopy [focus]}} \
4188        -accelerator $M1T-C \
4189        -font font_ui
4190.mbar.edit add command -label Paste \
4191        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
4192        -accelerator $M1T-V \
4193        -font font_ui
4194.mbar.edit add command -label Delete \
4195        -command {catch {[focus] delete sel.first sel.last}} \
4196        -accelerator Del \
4197        -font font_ui
4198.mbar.edit add separator
4199.mbar.edit add command -label {Select All} \
4200        -command {catch {[focus] tag add sel 0.0 end}} \
4201        -accelerator $M1T-A \
4202        -font font_ui
4203
4204# -- Branch Menu
4205#
4206if {!$single_commit} {
4207        menu .mbar.branch
4208
4209        .mbar.branch add command -label {Create...} \
4210                -command do_create_branch \
4211                -accelerator $M1T-N \
4212                -font font_ui
4213        lappend disable_on_lock [list .mbar.branch entryconf \
4214                [.mbar.branch index last] -state]
4215
4216        .mbar.branch add command -label {Delete...} \
4217                -command do_delete_branch \
4218                -font font_ui
4219        lappend disable_on_lock [list .mbar.branch entryconf \
4220                [.mbar.branch index last] -state]
4221}
4222
4223# -- Commit Menu
4224#
4225menu .mbar.commit
4226
4227.mbar.commit add radiobutton \
4228        -label {New Commit} \
4229        -command do_select_commit_type \
4230        -variable selected_commit_type \
4231        -value new \
4232        -font font_ui
4233lappend disable_on_lock \
4234        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4235
4236.mbar.commit add radiobutton \
4237        -label {Amend Last Commit} \
4238        -command do_select_commit_type \
4239        -variable selected_commit_type \
4240        -value amend \
4241        -font font_ui
4242lappend disable_on_lock \
4243        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4244
4245.mbar.commit add separator
4246
4247.mbar.commit add command -label Rescan \
4248        -command do_rescan \
4249        -accelerator F5 \
4250        -font font_ui
4251lappend disable_on_lock \
4252        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4253
4254.mbar.commit add command -label {Add To Commit} \
4255        -command do_add_selection \
4256        -font font_ui
4257lappend disable_on_lock \
4258        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4259
4260.mbar.commit add command -label {Add All To Commit} \
4261        -command do_add_all \
4262        -accelerator $M1T-I \
4263        -font font_ui
4264lappend disable_on_lock \
4265        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4266
4267.mbar.commit add command -label {Unstage From Commit} \
4268        -command do_unstage_selection \
4269        -font font_ui
4270lappend disable_on_lock \
4271        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4272
4273.mbar.commit add command -label {Revert Changes} \
4274        -command do_revert_selection \
4275        -font font_ui
4276lappend disable_on_lock \
4277        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4278
4279.mbar.commit add separator
4280
4281.mbar.commit add command -label {Sign Off} \
4282        -command do_signoff \
4283        -accelerator $M1T-S \
4284        -font font_ui
4285
4286.mbar.commit add command -label Commit \
4287        -command do_commit \
4288        -accelerator $M1T-Return \
4289        -font font_ui
4290lappend disable_on_lock \
4291        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4292
4293if {[is_MacOSX]} {
4294        # -- Apple Menu (Mac OS X only)
4295        #
4296        .mbar add cascade -label Apple -menu .mbar.apple
4297        menu .mbar.apple
4298
4299        .mbar.apple add command -label "About [appname]" \
4300                -command do_about \
4301                -font font_ui
4302        .mbar.apple add command -label "[appname] Options..." \
4303                -command do_options \
4304                -font font_ui
4305} else {
4306        # -- Edit Menu
4307        #
4308        .mbar.edit add separator
4309        .mbar.edit add command -label {Options...} \
4310                -command do_options \
4311                -font font_ui
4312
4313        # -- Tools Menu
4314        #
4315        if {[file exists /usr/local/miga/lib/gui-miga]
4316                && [file exists .pvcsrc]} {
4317        proc do_miga {} {
4318                global ui_status_value
4319                if {![lock_index update]} return
4320                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
4321                set miga_fd [open "|$cmd" r]
4322                fconfigure $miga_fd -blocking 0
4323                fileevent $miga_fd readable [list miga_done $miga_fd]
4324                set ui_status_value {Running miga...}
4325        }
4326        proc miga_done {fd} {
4327                read $fd 512
4328                if {[eof $fd]} {
4329                        close $fd
4330                        unlock_index
4331                        rescan [list set ui_status_value {Ready.}]
4332                }
4333        }
4334        .mbar add cascade -label Tools -menu .mbar.tools
4335        menu .mbar.tools
4336        .mbar.tools add command -label "Migrate" \
4337                -command do_miga \
4338                -font font_ui
4339        lappend disable_on_lock \
4340                [list .mbar.tools entryconf [.mbar.tools index last] -state]
4341        }
4342
4343        # -- Help Menu
4344        #
4345        .mbar add cascade -label Help -menu .mbar.help
4346        menu .mbar.help
4347
4348        .mbar.help add command -label "About [appname]" \
4349                -command do_about \
4350                -font font_ui
4351}
4352
4353
4354# -- Branch Control
4355#
4356frame .branch \
4357        -borderwidth 1 \
4358        -relief sunken
4359label .branch.l1 \
4360        -text {Current Branch:} \
4361        -anchor w \
4362        -justify left \
4363        -font font_ui
4364label .branch.cb \
4365        -textvariable current_branch \
4366        -anchor w \
4367        -justify left \
4368        -font font_ui
4369pack .branch.l1 -side left
4370pack .branch.cb -side left -fill x
4371pack .branch -side top -fill x
4372
4373if {!$single_commit} {
4374        menu .mbar.merge
4375        .mbar.merge add command -label {Local Merge...} \
4376                -command do_local_merge \
4377                -font font_ui
4378        lappend disable_on_lock \
4379                [list .mbar.merge entryconf [.mbar.merge index last] -state]
4380        .mbar.merge add command -label {Abort Merge...} \
4381                -command do_reset_hard \
4382                -font font_ui
4383        lappend disable_on_lock \
4384                [list .mbar.merge entryconf [.mbar.merge index last] -state]
4385
4386
4387        menu .mbar.fetch
4388
4389        menu .mbar.push
4390        .mbar.push add command -label {Push...} \
4391                -command do_push_anywhere \
4392                -font font_ui
4393}
4394
4395# -- Main Window Layout
4396#
4397panedwindow .vpane -orient vertical
4398panedwindow .vpane.files -orient horizontal
4399.vpane add .vpane.files -sticky nsew -height 100 -width 200
4400pack .vpane -anchor n -side top -fill both -expand 1
4401
4402# -- Index File List
4403#
4404frame .vpane.files.index -height 100 -width 200
4405label .vpane.files.index.title -text {Changes To Be Committed} \
4406        -background green \
4407        -font font_ui
4408text $ui_index -background white -borderwidth 0 \
4409        -width 20 -height 10 \
4410        -wrap none \
4411        -font font_ui \
4412        -cursor $cursor_ptr \
4413        -xscrollcommand {.vpane.files.index.sx set} \
4414        -yscrollcommand {.vpane.files.index.sy set} \
4415        -state disabled
4416scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
4417scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
4418pack .vpane.files.index.title -side top -fill x
4419pack .vpane.files.index.sx -side bottom -fill x
4420pack .vpane.files.index.sy -side right -fill y
4421pack $ui_index -side left -fill both -expand 1
4422.vpane.files add .vpane.files.index -sticky nsew
4423
4424# -- Working Directory File List
4425#
4426frame .vpane.files.workdir -height 100 -width 200
4427label .vpane.files.workdir.title -text {Changed But Not Updated} \
4428        -background red \
4429        -font font_ui
4430text $ui_workdir -background white -borderwidth 0 \
4431        -width 20 -height 10 \
4432        -wrap none \
4433        -font font_ui \
4434        -cursor $cursor_ptr \
4435        -xscrollcommand {.vpane.files.workdir.sx set} \
4436        -yscrollcommand {.vpane.files.workdir.sy set} \
4437        -state disabled
4438scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
4439scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
4440pack .vpane.files.workdir.title -side top -fill x
4441pack .vpane.files.workdir.sx -side bottom -fill x
4442pack .vpane.files.workdir.sy -side right -fill y
4443pack $ui_workdir -side left -fill both -expand 1
4444.vpane.files add .vpane.files.workdir -sticky nsew
4445
4446foreach i [list $ui_index $ui_workdir] {
4447        $i tag conf in_diff -font font_uibold
4448        $i tag conf in_sel \
4449                -background [$i cget -foreground] \
4450                -foreground [$i cget -background]
4451}
4452unset i
4453
4454# -- Diff and Commit Area
4455#
4456frame .vpane.lower -height 300 -width 400
4457frame .vpane.lower.commarea
4458frame .vpane.lower.diff -relief sunken -borderwidth 1
4459pack .vpane.lower.commarea -side top -fill x
4460pack .vpane.lower.diff -side bottom -fill both -expand 1
4461.vpane add .vpane.lower -sticky nsew
4462
4463# -- Commit Area Buttons
4464#
4465frame .vpane.lower.commarea.buttons
4466label .vpane.lower.commarea.buttons.l -text {} \
4467        -anchor w \
4468        -justify left \
4469        -font font_ui
4470pack .vpane.lower.commarea.buttons.l -side top -fill x
4471pack .vpane.lower.commarea.buttons -side left -fill y
4472
4473button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
4474        -command do_rescan \
4475        -font font_ui
4476pack .vpane.lower.commarea.buttons.rescan -side top -fill x
4477lappend disable_on_lock \
4478        {.vpane.lower.commarea.buttons.rescan conf -state}
4479
4480button .vpane.lower.commarea.buttons.incall -text {Add All} \
4481        -command do_add_all \
4482        -font font_ui
4483pack .vpane.lower.commarea.buttons.incall -side top -fill x
4484lappend disable_on_lock \
4485        {.vpane.lower.commarea.buttons.incall conf -state}
4486
4487button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
4488        -command do_signoff \
4489        -font font_ui
4490pack .vpane.lower.commarea.buttons.signoff -side top -fill x
4491
4492button .vpane.lower.commarea.buttons.commit -text {Commit} \
4493        -command do_commit \
4494        -font font_ui
4495pack .vpane.lower.commarea.buttons.commit -side top -fill x
4496lappend disable_on_lock \
4497        {.vpane.lower.commarea.buttons.commit conf -state}
4498
4499# -- Commit Message Buffer
4500#
4501frame .vpane.lower.commarea.buffer
4502frame .vpane.lower.commarea.buffer.header
4503set ui_comm .vpane.lower.commarea.buffer.t
4504set ui_coml .vpane.lower.commarea.buffer.header.l
4505radiobutton .vpane.lower.commarea.buffer.header.new \
4506        -text {New Commit} \
4507        -command do_select_commit_type \
4508        -variable selected_commit_type \
4509        -value new \
4510        -font font_ui
4511lappend disable_on_lock \
4512        [list .vpane.lower.commarea.buffer.header.new conf -state]
4513radiobutton .vpane.lower.commarea.buffer.header.amend \
4514        -text {Amend Last Commit} \
4515        -command do_select_commit_type \
4516        -variable selected_commit_type \
4517        -value amend \
4518        -font font_ui
4519lappend disable_on_lock \
4520        [list .vpane.lower.commarea.buffer.header.amend conf -state]
4521label $ui_coml \
4522        -anchor w \
4523        -justify left \
4524        -font font_ui
4525proc trace_commit_type {varname args} {
4526        global ui_coml commit_type
4527        switch -glob -- $commit_type {
4528        initial       {set txt {Initial Commit Message:}}
4529        amend         {set txt {Amended Commit Message:}}
4530        amend-initial {set txt {Amended Initial Commit Message:}}
4531        amend-merge   {set txt {Amended Merge Commit Message:}}
4532        merge         {set txt {Merge Commit Message:}}
4533        *             {set txt {Commit Message:}}
4534        }
4535        $ui_coml conf -text $txt
4536}
4537trace add variable commit_type write trace_commit_type
4538pack $ui_coml -side left -fill x
4539pack .vpane.lower.commarea.buffer.header.amend -side right
4540pack .vpane.lower.commarea.buffer.header.new -side right
4541
4542text $ui_comm -background white -borderwidth 1 \
4543        -undo true \
4544        -maxundo 20 \
4545        -autoseparators true \
4546        -relief sunken \
4547        -width 75 -height 9 -wrap none \
4548        -font font_diff \
4549        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
4550scrollbar .vpane.lower.commarea.buffer.sby \
4551        -command [list $ui_comm yview]
4552pack .vpane.lower.commarea.buffer.header -side top -fill x
4553pack .vpane.lower.commarea.buffer.sby -side right -fill y
4554pack $ui_comm -side left -fill y
4555pack .vpane.lower.commarea.buffer -side left -fill y
4556
4557# -- Commit Message Buffer Context Menu
4558#
4559set ctxm .vpane.lower.commarea.buffer.ctxm
4560menu $ctxm -tearoff 0
4561$ctxm add command \
4562        -label {Cut} \
4563        -font font_ui \
4564        -command {tk_textCut $ui_comm}
4565$ctxm add command \
4566        -label {Copy} \
4567        -font font_ui \
4568        -command {tk_textCopy $ui_comm}
4569$ctxm add command \
4570        -label {Paste} \
4571        -font font_ui \
4572        -command {tk_textPaste $ui_comm}
4573$ctxm add command \
4574        -label {Delete} \
4575        -font font_ui \
4576        -command {$ui_comm delete sel.first sel.last}
4577$ctxm add separator
4578$ctxm add command \
4579        -label {Select All} \
4580        -font font_ui \
4581        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
4582$ctxm add command \
4583        -label {Copy All} \
4584        -font font_ui \
4585        -command {
4586                $ui_comm tag add sel 0.0 end
4587                tk_textCopy $ui_comm
4588                $ui_comm tag remove sel 0.0 end
4589        }
4590$ctxm add separator
4591$ctxm add command \
4592        -label {Sign Off} \
4593        -font font_ui \
4594        -command do_signoff
4595bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
4596
4597# -- Diff Header
4598#
4599set current_diff_path {}
4600set current_diff_side {}
4601set diff_actions [list]
4602proc trace_current_diff_path {varname args} {
4603        global current_diff_path diff_actions file_states
4604        if {$current_diff_path eq {}} {
4605                set s {}
4606                set f {}
4607                set p {}
4608                set o disabled
4609        } else {
4610                set p $current_diff_path
4611                set s [mapdesc [lindex $file_states($p) 0] $p]
4612                set f {File:}
4613                set p [escape_path $p]
4614                set o normal
4615        }
4616
4617        .vpane.lower.diff.header.status configure -text $s
4618        .vpane.lower.diff.header.file configure -text $f
4619        .vpane.lower.diff.header.path configure -text $p
4620        foreach w $diff_actions {
4621                uplevel #0 $w $o
4622        }
4623}
4624trace add variable current_diff_path write trace_current_diff_path
4625
4626frame .vpane.lower.diff.header -background orange
4627label .vpane.lower.diff.header.status \
4628        -background orange \
4629        -width $max_status_desc \
4630        -anchor w \
4631        -justify left \
4632        -font font_ui
4633label .vpane.lower.diff.header.file \
4634        -background orange \
4635        -anchor w \
4636        -justify left \
4637        -font font_ui
4638label .vpane.lower.diff.header.path \
4639        -background orange \
4640        -anchor w \
4641        -justify left \
4642        -font font_ui
4643pack .vpane.lower.diff.header.status -side left
4644pack .vpane.lower.diff.header.file -side left
4645pack .vpane.lower.diff.header.path -fill x
4646set ctxm .vpane.lower.diff.header.ctxm
4647menu $ctxm -tearoff 0
4648$ctxm add command \
4649        -label {Copy} \
4650        -font font_ui \
4651        -command {
4652                clipboard clear
4653                clipboard append \
4654                        -format STRING \
4655                        -type STRING \
4656                        -- $current_diff_path
4657        }
4658lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4659bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
4660
4661# -- Diff Body
4662#
4663frame .vpane.lower.diff.body
4664set ui_diff .vpane.lower.diff.body.t
4665text $ui_diff -background white -borderwidth 0 \
4666        -width 80 -height 15 -wrap none \
4667        -font font_diff \
4668        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
4669        -yscrollcommand {.vpane.lower.diff.body.sby set} \
4670        -state disabled
4671scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
4672        -command [list $ui_diff xview]
4673scrollbar .vpane.lower.diff.body.sby -orient vertical \
4674        -command [list $ui_diff yview]
4675pack .vpane.lower.diff.body.sbx -side bottom -fill x
4676pack .vpane.lower.diff.body.sby -side right -fill y
4677pack $ui_diff -side left -fill both -expand 1
4678pack .vpane.lower.diff.header -side top -fill x
4679pack .vpane.lower.diff.body -side bottom -fill both -expand 1
4680
4681$ui_diff tag conf d_cr -elide true
4682$ui_diff tag conf d_@ -foreground blue -font font_diffbold
4683$ui_diff tag conf d_+ -foreground {#00a000}
4684$ui_diff tag conf d_- -foreground red
4685
4686$ui_diff tag conf d_++ -foreground {#00a000}
4687$ui_diff tag conf d_-- -foreground red
4688$ui_diff tag conf d_+s \
4689        -foreground {#00a000} \
4690        -background {#e2effa}
4691$ui_diff tag conf d_-s \
4692        -foreground red \
4693        -background {#e2effa}
4694$ui_diff tag conf d_s+ \
4695        -foreground {#00a000} \
4696        -background ivory1
4697$ui_diff tag conf d_s- \
4698        -foreground red \
4699        -background ivory1
4700
4701$ui_diff tag conf d<<<<<<< \
4702        -foreground orange \
4703        -font font_diffbold
4704$ui_diff tag conf d======= \
4705        -foreground orange \
4706        -font font_diffbold
4707$ui_diff tag conf d>>>>>>> \
4708        -foreground orange \
4709        -font font_diffbold
4710
4711$ui_diff tag raise sel
4712
4713# -- Diff Body Context Menu
4714#
4715set ctxm .vpane.lower.diff.body.ctxm
4716menu $ctxm -tearoff 0
4717$ctxm add command \
4718        -label {Refresh} \
4719        -font font_ui \
4720        -command reshow_diff
4721lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4722$ctxm add command \
4723        -label {Copy} \
4724        -font font_ui \
4725        -command {tk_textCopy $ui_diff}
4726lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4727$ctxm add command \
4728        -label {Select All} \
4729        -font font_ui \
4730        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
4731lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4732$ctxm add command \
4733        -label {Copy All} \
4734        -font font_ui \
4735        -command {
4736                $ui_diff tag add sel 0.0 end
4737                tk_textCopy $ui_diff
4738                $ui_diff tag remove sel 0.0 end
4739        }
4740lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4741$ctxm add separator
4742$ctxm add command \
4743        -label {Apply/Reverse Hunk} \
4744        -font font_ui \
4745        -command {apply_hunk $cursorX $cursorY}
4746set ui_diff_applyhunk [$ctxm index last]
4747lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
4748$ctxm add separator
4749$ctxm add command \
4750        -label {Decrease Font Size} \
4751        -font font_ui \
4752        -command {incr_font_size font_diff -1}
4753lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4754$ctxm add command \
4755        -label {Increase Font Size} \
4756        -font font_ui \
4757        -command {incr_font_size font_diff 1}
4758lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4759$ctxm add separator
4760$ctxm add command \
4761        -label {Show Less Context} \
4762        -font font_ui \
4763        -command {if {$repo_config(gui.diffcontext) >= 2} {
4764                incr repo_config(gui.diffcontext) -1
4765                reshow_diff
4766        }}
4767lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4768$ctxm add command \
4769        -label {Show More Context} \
4770        -font font_ui \
4771        -command {
4772                incr repo_config(gui.diffcontext)
4773                reshow_diff
4774        }
4775lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4776$ctxm add separator
4777$ctxm add command -label {Options...} \
4778        -font font_ui \
4779        -command do_options
4780bind_button3 $ui_diff "
4781        set cursorX %x
4782        set cursorY %y
4783        if {\$ui_index eq \$current_diff_side} {
4784                $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
4785        } else {
4786                $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
4787        }
4788        tk_popup $ctxm %X %Y
4789"
4790unset ui_diff_applyhunk
4791
4792# -- Status Bar
4793#
4794set ui_status_value {Initializing...}
4795label .status -textvariable ui_status_value \
4796        -anchor w \
4797        -justify left \
4798        -borderwidth 1 \
4799        -relief sunken \
4800        -font font_ui
4801pack .status -anchor w -side bottom -fill x
4802
4803# -- Load geometry
4804#
4805catch {
4806set gm $repo_config(gui.geometry)
4807wm geometry . [lindex $gm 0]
4808.vpane sash place 0 \
4809        [lindex [.vpane sash coord 0] 0] \
4810        [lindex $gm 1]
4811.vpane.files sash place 0 \
4812        [lindex $gm 2] \
4813        [lindex [.vpane.files sash coord 0] 1]
4814unset gm
4815}
4816
4817# -- Key Bindings
4818#
4819bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4820bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4821bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4822bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4823bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4824bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4825bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4826bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4827bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4828bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4829bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4830
4831bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4832bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4833bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4834bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4835bind $ui_diff <$M1B-Key-v> {break}
4836bind $ui_diff <$M1B-Key-V> {break}
4837bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4838bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4839bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4840bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4841bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4842bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4843bind $ui_diff <Button-1>   {focus %W}
4844
4845if {!$single_commit} {
4846        bind . <$M1B-Key-n> do_create_branch
4847        bind . <$M1B-Key-N> do_create_branch
4848}
4849
4850bind .   <Destroy> do_quit
4851bind all <Key-F5> do_rescan
4852bind all <$M1B-Key-r> do_rescan
4853bind all <$M1B-Key-R> do_rescan
4854bind .   <$M1B-Key-s> do_signoff
4855bind .   <$M1B-Key-S> do_signoff
4856bind .   <$M1B-Key-i> do_add_all
4857bind .   <$M1B-Key-I> do_add_all
4858bind .   <$M1B-Key-Return> do_commit
4859bind all <$M1B-Key-q> do_quit
4860bind all <$M1B-Key-Q> do_quit
4861bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4862bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4863foreach i [list $ui_index $ui_workdir] {
4864        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4865        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4866        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4867}
4868unset i
4869
4870set file_lists($ui_index) [list]
4871set file_lists($ui_workdir) [list]
4872
4873set HEAD {}
4874set PARENT {}
4875set MERGE_HEAD [list]
4876set commit_type {}
4877set empty_tree {}
4878set current_branch {}
4879set current_diff_path {}
4880set selected_commit_type new
4881
4882wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4883focus -force $ui_comm
4884
4885# -- Warn the user about environmental problems.  Cygwin's Tcl
4886#    does *not* pass its env array onto any processes it spawns.
4887#    This means that git processes get none of our environment.
4888#
4889if {[is_Windows]} {
4890        set ignored_env 0
4891        set suggest_user {}
4892        set msg "Possible environment issues exist.
4893
4894The following environment variables are probably
4895going to be ignored by any Git subprocess run
4896by [appname]:
4897
4898"
4899        foreach name [array names env] {
4900                switch -regexp -- $name {
4901                {^GIT_INDEX_FILE$} -
4902                {^GIT_OBJECT_DIRECTORY$} -
4903                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4904                {^GIT_DIFF_OPTS$} -
4905                {^GIT_EXTERNAL_DIFF$} -
4906                {^GIT_PAGER$} -
4907                {^GIT_TRACE$} -
4908                {^GIT_CONFIG$} -
4909                {^GIT_CONFIG_LOCAL$} -
4910                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4911                        append msg " - $name\n"
4912                        incr ignored_env
4913                }
4914                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4915                        append msg " - $name\n"
4916                        incr ignored_env
4917                        set suggest_user $name
4918                }
4919                }
4920        }
4921        if {$ignored_env > 0} {
4922                append msg "
4923This is due to a known issue with the
4924Tcl binary distributed by Cygwin."
4925
4926                if {$suggest_user ne {}} {
4927                        append msg "
4928
4929A good replacement for $suggest_user
4930is placing values for the user.name and
4931user.email settings into your personal
4932~/.gitconfig file.
4933"
4934                }
4935                warn_popup $msg
4936        }
4937        unset ignored_env msg suggest_user name
4938}
4939
4940# -- Only initialize complex UI if we are going to stay running.
4941#
4942if {!$single_commit} {
4943        load_all_remotes
4944        load_all_heads
4945
4946        populate_branch_menu
4947        populate_fetch_menu
4948        populate_push_menu
4949}
4950
4951# -- Only suggest a gc run if we are going to stay running.
4952#
4953if {!$single_commit} {
4954        set object_limit 2000
4955        if {[is_Windows]} {set object_limit 200}
4956        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4957        if {$objects_current >= $object_limit} {
4958                if {[ask_popup \
4959                        "This repository currently has $objects_current loose objects.
4960
4961To maintain optimal performance it is strongly
4962recommended that you compress the database
4963when more than $object_limit loose objects exist.
4964
4965Compress the database now?"] eq yes} {
4966                        do_gc
4967                }
4968        }
4969        unset object_limit _junk objects_current
4970}
4971
4972lock_index begin-read
4973after 1 do_rescan