de4cec20aa7b0fbc9cab85d5276010ce26745b05
   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 {![lock_index update]} return
 987        if {[committer_ident] eq {}} 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 pull push
1273
1274proc fetch_from {remote} {
1275        set w [new_console "fetch $remote" \
1276                "Fetching new changes from $remote"]
1277        set cmd [list git fetch]
1278        lappend cmd $remote
1279        console_exec $w $cmd
1280}
1281
1282proc pull_remote {remote branch} {
1283        global HEAD commit_type file_states repo_config
1284
1285        if {![lock_index update]} return
1286
1287        # -- Our in memory state should match the repository.
1288        #
1289        repository_state curType curHEAD curMERGE_HEAD
1290        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1291                info_popup {Last scanned state does not match repository state.
1292
1293Another Git program has modified this repository
1294since the last scan.  A rescan must be performed
1295before a pull operation can be started.
1296
1297The rescan will be automatically started now.
1298}
1299                unlock_index
1300                rescan {set ui_status_value {Ready.}}
1301                return
1302        }
1303
1304        # -- No differences should exist before a pull.
1305        #
1306        if {[array size file_states] != 0} {
1307                error_popup {Uncommitted but modified files are present.
1308
1309You should not perform a pull with unmodified
1310files in your working directory as Git will be
1311unable to recover from an incorrect merge.
1312
1313You should commit or revert all changes before
1314starting a pull operation.
1315}
1316                unlock_index
1317                return
1318        }
1319
1320        set w [new_console "pull $remote $branch" \
1321                "Pulling new changes from branch $branch in $remote"]
1322        set cmd [list git pull]
1323        if {$repo_config(gui.pullsummary) eq {false}} {
1324                lappend cmd --no-summary
1325        }
1326        lappend cmd $remote
1327        lappend cmd $branch
1328        console_exec $w $cmd [list post_pull_remote $remote $branch]
1329}
1330
1331proc post_pull_remote {remote branch success} {
1332        global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1333        global ui_status_value
1334
1335        unlock_index
1336        if {$success} {
1337                repository_state commit_type HEAD MERGE_HEAD
1338                set PARENT $HEAD
1339                set selected_commit_type new
1340                set ui_status_value "Pulling $branch from $remote complete."
1341        } else {
1342                rescan [list set ui_status_value \
1343                        "Conflicts detected while pulling $branch from $remote."]
1344        }
1345}
1346
1347proc push_to {remote} {
1348        set w [new_console "push $remote" \
1349                "Pushing changes to $remote"]
1350        set cmd [list git push]
1351        lappend cmd $remote
1352        console_exec $w $cmd
1353}
1354
1355######################################################################
1356##
1357## ui helpers
1358
1359proc mapicon {w state path} {
1360        global all_icons
1361
1362        if {[catch {set r $all_icons($state$w)}]} {
1363                puts "error: no icon for $w state={$state} $path"
1364                return file_plain
1365        }
1366        return $r
1367}
1368
1369proc mapdesc {state path} {
1370        global all_descs
1371
1372        if {[catch {set r $all_descs($state)}]} {
1373                puts "error: no desc for state={$state} $path"
1374                return $state
1375        }
1376        return $r
1377}
1378
1379proc escape_path {path} {
1380        regsub -all "\n" $path "\\n" path
1381        return $path
1382}
1383
1384proc short_path {path} {
1385        return [escape_path [lindex [file split $path] end]]
1386}
1387
1388set next_icon_id 0
1389set null_sha1 [string repeat 0 40]
1390
1391proc merge_state {path new_state {head_info {}} {index_info {}}} {
1392        global file_states next_icon_id null_sha1
1393
1394        set s0 [string index $new_state 0]
1395        set s1 [string index $new_state 1]
1396
1397        if {[catch {set info $file_states($path)}]} {
1398                set state __
1399                set icon n[incr next_icon_id]
1400        } else {
1401                set state [lindex $info 0]
1402                set icon [lindex $info 1]
1403                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1404                if {$index_info eq {}} {set index_info [lindex $info 3]}
1405        }
1406
1407        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1408        elseif {$s0 eq {_}} {set s0 _}
1409
1410        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1411        elseif {$s1 eq {_}} {set s1 _}
1412
1413        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1414                set head_info [list 0 $null_sha1]
1415        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1416                && $head_info eq {}} {
1417                set head_info $index_info
1418        }
1419
1420        set file_states($path) [list $s0$s1 $icon \
1421                $head_info $index_info \
1422                ]
1423        return $state
1424}
1425
1426proc display_file_helper {w path icon_name old_m new_m} {
1427        global file_lists
1428
1429        if {$new_m eq {_}} {
1430                set lno [lsearch -sorted -exact $file_lists($w) $path]
1431                if {$lno >= 0} {
1432                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1433                        incr lno
1434                        $w conf -state normal
1435                        $w delete $lno.0 [expr {$lno + 1}].0
1436                        $w conf -state disabled
1437                }
1438        } elseif {$old_m eq {_} && $new_m ne {_}} {
1439                lappend file_lists($w) $path
1440                set file_lists($w) [lsort -unique $file_lists($w)]
1441                set lno [lsearch -sorted -exact $file_lists($w) $path]
1442                incr lno
1443                $w conf -state normal
1444                $w image create $lno.0 \
1445                        -align center -padx 5 -pady 1 \
1446                        -name $icon_name \
1447                        -image [mapicon $w $new_m $path]
1448                $w insert $lno.1 "[escape_path $path]\n"
1449                $w conf -state disabled
1450        } elseif {$old_m ne $new_m} {
1451                $w conf -state normal
1452                $w image conf $icon_name -image [mapicon $w $new_m $path]
1453                $w conf -state disabled
1454        }
1455}
1456
1457proc display_file {path state} {
1458        global file_states selected_paths
1459        global ui_index ui_workdir
1460
1461        set old_m [merge_state $path $state]
1462        set s $file_states($path)
1463        set new_m [lindex $s 0]
1464        set icon_name [lindex $s 1]
1465
1466        set o [string index $old_m 0]
1467        set n [string index $new_m 0]
1468        if {$o eq {U}} {
1469                set o _
1470        }
1471        if {$n eq {U}} {
1472                set n _
1473        }
1474        display_file_helper     $ui_index $path $icon_name $o $n
1475
1476        if {[string index $old_m 0] eq {U}} {
1477                set o U
1478        } else {
1479                set o [string index $old_m 1]
1480        }
1481        if {[string index $new_m 0] eq {U}} {
1482                set n U
1483        } else {
1484                set n [string index $new_m 1]
1485        }
1486        display_file_helper     $ui_workdir $path $icon_name $o $n
1487
1488        if {$new_m eq {__}} {
1489                unset file_states($path)
1490                catch {unset selected_paths($path)}
1491        }
1492}
1493
1494proc display_all_files_helper {w path icon_name m} {
1495        global file_lists
1496
1497        lappend file_lists($w) $path
1498        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1499        $w image create end \
1500                -align center -padx 5 -pady 1 \
1501                -name $icon_name \
1502                -image [mapicon $w $m $path]
1503        $w insert end "[escape_path $path]\n"
1504}
1505
1506proc display_all_files {} {
1507        global ui_index ui_workdir
1508        global file_states file_lists
1509        global last_clicked
1510
1511        $ui_index conf -state normal
1512        $ui_workdir conf -state normal
1513
1514        $ui_index delete 0.0 end
1515        $ui_workdir delete 0.0 end
1516        set last_clicked {}
1517
1518        set file_lists($ui_index) [list]
1519        set file_lists($ui_workdir) [list]
1520
1521        foreach path [lsort [array names file_states]] {
1522                set s $file_states($path)
1523                set m [lindex $s 0]
1524                set icon_name [lindex $s 1]
1525
1526                set s [string index $m 0]
1527                if {$s ne {U} && $s ne {_}} {
1528                        display_all_files_helper $ui_index $path \
1529                                $icon_name $s
1530                }
1531
1532                if {[string index $m 0] eq {U}} {
1533                        set s U
1534                } else {
1535                        set s [string index $m 1]
1536                }
1537                if {$s ne {_}} {
1538                        display_all_files_helper $ui_workdir $path \
1539                                $icon_name $s
1540                }
1541        }
1542
1543        $ui_index conf -state disabled
1544        $ui_workdir conf -state disabled
1545}
1546
1547proc update_indexinfo {msg pathList after} {
1548        global update_index_cp ui_status_value
1549
1550        if {![lock_index update]} return
1551
1552        set update_index_cp 0
1553        set pathList [lsort $pathList]
1554        set totalCnt [llength $pathList]
1555        set batch [expr {int($totalCnt * .01) + 1}]
1556        if {$batch > 25} {set batch 25}
1557
1558        set ui_status_value [format \
1559                "$msg... %i/%i files (%.2f%%)" \
1560                $update_index_cp \
1561                $totalCnt \
1562                0.0]
1563        set fd [open "| git update-index -z --index-info" w]
1564        fconfigure $fd \
1565                -blocking 0 \
1566                -buffering full \
1567                -buffersize 512 \
1568                -encoding binary \
1569                -translation binary
1570        fileevent $fd writable [list \
1571                write_update_indexinfo \
1572                $fd \
1573                $pathList \
1574                $totalCnt \
1575                $batch \
1576                $msg \
1577                $after \
1578                ]
1579}
1580
1581proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1582        global update_index_cp ui_status_value
1583        global file_states current_diff_path
1584
1585        if {$update_index_cp >= $totalCnt} {
1586                close $fd
1587                unlock_index
1588                uplevel #0 $after
1589                return
1590        }
1591
1592        for {set i $batch} \
1593                {$update_index_cp < $totalCnt && $i > 0} \
1594                {incr i -1} {
1595                set path [lindex $pathList $update_index_cp]
1596                incr update_index_cp
1597
1598                set s $file_states($path)
1599                switch -glob -- [lindex $s 0] {
1600                A? {set new _O}
1601                M? {set new _M}
1602                D_ {set new _D}
1603                D? {set new _?}
1604                ?? {continue}
1605                }
1606                set info [lindex $s 2]
1607                if {$info eq {}} continue
1608
1609                puts -nonewline $fd "$info\t[encoding convertto $path]\0"
1610                display_file $path $new
1611        }
1612
1613        set ui_status_value [format \
1614                "$msg... %i/%i files (%.2f%%)" \
1615                $update_index_cp \
1616                $totalCnt \
1617                [expr {100.0 * $update_index_cp / $totalCnt}]]
1618}
1619
1620proc update_index {msg pathList after} {
1621        global update_index_cp ui_status_value
1622
1623        if {![lock_index update]} return
1624
1625        set update_index_cp 0
1626        set pathList [lsort $pathList]
1627        set totalCnt [llength $pathList]
1628        set batch [expr {int($totalCnt * .01) + 1}]
1629        if {$batch > 25} {set batch 25}
1630
1631        set ui_status_value [format \
1632                "$msg... %i/%i files (%.2f%%)" \
1633                $update_index_cp \
1634                $totalCnt \
1635                0.0]
1636        set fd [open "| git update-index --add --remove -z --stdin" w]
1637        fconfigure $fd \
1638                -blocking 0 \
1639                -buffering full \
1640                -buffersize 512 \
1641                -encoding binary \
1642                -translation binary
1643        fileevent $fd writable [list \
1644                write_update_index \
1645                $fd \
1646                $pathList \
1647                $totalCnt \
1648                $batch \
1649                $msg \
1650                $after \
1651                ]
1652}
1653
1654proc write_update_index {fd pathList totalCnt batch msg after} {
1655        global update_index_cp ui_status_value
1656        global file_states current_diff_path
1657
1658        if {$update_index_cp >= $totalCnt} {
1659                close $fd
1660                unlock_index
1661                uplevel #0 $after
1662                return
1663        }
1664
1665        for {set i $batch} \
1666                {$update_index_cp < $totalCnt && $i > 0} \
1667                {incr i -1} {
1668                set path [lindex $pathList $update_index_cp]
1669                incr update_index_cp
1670
1671                switch -glob -- [lindex $file_states($path) 0] {
1672                AD {set new __}
1673                ?D {set new D_}
1674                _O -
1675                AM {set new A_}
1676                U? {
1677                        if {[file exists $path]} {
1678                                set new M_
1679                        } else {
1680                                set new D_
1681                        }
1682                }
1683                ?M {set new M_}
1684                ?? {continue}
1685                }
1686                puts -nonewline $fd "[encoding convertto $path]\0"
1687                display_file $path $new
1688        }
1689
1690        set ui_status_value [format \
1691                "$msg... %i/%i files (%.2f%%)" \
1692                $update_index_cp \
1693                $totalCnt \
1694                [expr {100.0 * $update_index_cp / $totalCnt}]]
1695}
1696
1697proc checkout_index {msg pathList after} {
1698        global update_index_cp ui_status_value
1699
1700        if {![lock_index update]} return
1701
1702        set update_index_cp 0
1703        set pathList [lsort $pathList]
1704        set totalCnt [llength $pathList]
1705        set batch [expr {int($totalCnt * .01) + 1}]
1706        if {$batch > 25} {set batch 25}
1707
1708        set ui_status_value [format \
1709                "$msg... %i/%i files (%.2f%%)" \
1710                $update_index_cp \
1711                $totalCnt \
1712                0.0]
1713        set cmd [list git checkout-index]
1714        lappend cmd --index
1715        lappend cmd --quiet
1716        lappend cmd --force
1717        lappend cmd -z
1718        lappend cmd --stdin
1719        set fd [open "| $cmd " w]
1720        fconfigure $fd \
1721                -blocking 0 \
1722                -buffering full \
1723                -buffersize 512 \
1724                -encoding binary \
1725                -translation binary
1726        fileevent $fd writable [list \
1727                write_checkout_index \
1728                $fd \
1729                $pathList \
1730                $totalCnt \
1731                $batch \
1732                $msg \
1733                $after \
1734                ]
1735}
1736
1737proc write_checkout_index {fd pathList totalCnt batch msg after} {
1738        global update_index_cp ui_status_value
1739        global file_states current_diff_path
1740
1741        if {$update_index_cp >= $totalCnt} {
1742                close $fd
1743                unlock_index
1744                uplevel #0 $after
1745                return
1746        }
1747
1748        for {set i $batch} \
1749                {$update_index_cp < $totalCnt && $i > 0} \
1750                {incr i -1} {
1751                set path [lindex $pathList $update_index_cp]
1752                incr update_index_cp
1753                switch -glob -- [lindex $file_states($path) 0] {
1754                U? {continue}
1755                ?M -
1756                ?D {
1757                        puts -nonewline $fd "[encoding convertto $path]\0"
1758                        display_file $path ?_
1759                }
1760                }
1761        }
1762
1763        set ui_status_value [format \
1764                "$msg... %i/%i files (%.2f%%)" \
1765                $update_index_cp \
1766                $totalCnt \
1767                [expr {100.0 * $update_index_cp / $totalCnt}]]
1768}
1769
1770######################################################################
1771##
1772## branch management
1773
1774proc is_tracking_branch {name} {
1775        global tracking_branches
1776
1777        if {![catch {set info $tracking_branches($name)}]} {
1778                return 1
1779        }
1780        foreach t [array names tracking_branches] {
1781                if {[string match {*/\*} $t] && [string match $t $name]} {
1782                        return 1
1783                }
1784        }
1785        return 0
1786}
1787
1788proc load_all_heads {} {
1789        global all_heads
1790
1791        set all_heads [list]
1792        set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
1793        while {[gets $fd line] > 0} {
1794                if {[is_tracking_branch $line]} continue
1795                if {![regsub ^refs/heads/ $line {} name]} continue
1796                lappend all_heads $name
1797        }
1798        close $fd
1799
1800        set all_heads [lsort $all_heads]
1801}
1802
1803proc populate_branch_menu {} {
1804        global all_heads disable_on_lock
1805
1806        set m .mbar.branch
1807        set last [$m index last]
1808        for {set i 0} {$i <= $last} {incr i} {
1809                if {[$m type $i] eq {separator}} {
1810                        $m delete $i last
1811                        set new_dol [list]
1812                        foreach a $disable_on_lock {
1813                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1814                                        lappend new_dol $a
1815                                }
1816                        }
1817                        set disable_on_lock $new_dol
1818                        break
1819                }
1820        }
1821
1822        if {$all_heads ne {}} {
1823                $m add separator
1824        }
1825        foreach b $all_heads {
1826                $m add radiobutton \
1827                        -label $b \
1828                        -command [list switch_branch $b] \
1829                        -variable current_branch \
1830                        -value $b \
1831                        -font font_ui
1832                lappend disable_on_lock \
1833                        [list $m entryconf [$m index last] -state]
1834        }
1835}
1836
1837proc all_tracking_branches {} {
1838        global tracking_branches
1839
1840        set all_trackings {}
1841        set cmd {}
1842        foreach name [array names tracking_branches] {
1843                if {[regsub {/\*$} $name {} name]} {
1844                        lappend cmd $name
1845                } else {
1846                        regsub ^refs/(heads|remotes)/ $name {} name
1847                        lappend all_trackings $name
1848                }
1849        }
1850
1851        if {$cmd ne {}} {
1852                set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
1853                while {[gets $fd name] > 0} {
1854                        regsub ^refs/(heads|remotes)/ $name {} name
1855                        lappend all_trackings $name
1856                }
1857                close $fd
1858        }
1859
1860        return [lsort -unique $all_trackings]
1861}
1862
1863proc do_create_branch_action {w} {
1864        global all_heads null_sha1 repo_config
1865        global create_branch_checkout create_branch_revtype
1866        global create_branch_head create_branch_trackinghead
1867        global create_branch_name create_branch_revexp
1868
1869        set newbranch $create_branch_name
1870        if {$newbranch eq {}
1871                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
1872                tk_messageBox \
1873                        -icon error \
1874                        -type ok \
1875                        -title [wm title $w] \
1876                        -parent $w \
1877                        -message "Please supply a branch name."
1878                focus $w.desc.name_t
1879                return
1880        }
1881        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1882                tk_messageBox \
1883                        -icon error \
1884                        -type ok \
1885                        -title [wm title $w] \
1886                        -parent $w \
1887                        -message "Branch '$newbranch' already exists."
1888                focus $w.desc.name_t
1889                return
1890        }
1891        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1892                tk_messageBox \
1893                        -icon error \
1894                        -type ok \
1895                        -title [wm title $w] \
1896                        -parent $w \
1897                        -message "We do not like '$newbranch' as a branch name."
1898                focus $w.desc.name_t
1899                return
1900        }
1901
1902        set rev {}
1903        switch -- $create_branch_revtype {
1904        head {set rev $create_branch_head}
1905        tracking {set rev $create_branch_trackinghead}
1906        expression {set rev $create_branch_revexp}
1907        }
1908        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1909                tk_messageBox \
1910                        -icon error \
1911                        -type ok \
1912                        -title [wm title $w] \
1913                        -parent $w \
1914                        -message "Invalid starting revision: $rev"
1915                return
1916        }
1917        set cmd [list git update-ref]
1918        lappend cmd -m
1919        lappend cmd "branch: Created from $rev"
1920        lappend cmd "refs/heads/$newbranch"
1921        lappend cmd $cmt
1922        lappend cmd $null_sha1
1923        if {[catch {eval exec $cmd} err]} {
1924                tk_messageBox \
1925                        -icon error \
1926                        -type ok \
1927                        -title [wm title $w] \
1928                        -parent $w \
1929                        -message "Failed to create '$newbranch'.\n\n$err"
1930                return
1931        }
1932
1933        lappend all_heads $newbranch
1934        set all_heads [lsort $all_heads]
1935        populate_branch_menu
1936        destroy $w
1937        if {$create_branch_checkout} {
1938                switch_branch $newbranch
1939        }
1940}
1941
1942proc radio_selector {varname value args} {
1943        upvar #0 $varname var
1944        set var $value
1945}
1946
1947trace add variable create_branch_head write \
1948        [list radio_selector create_branch_revtype head]
1949trace add variable create_branch_trackinghead write \
1950        [list radio_selector create_branch_revtype tracking]
1951
1952trace add variable delete_branch_head write \
1953        [list radio_selector delete_branch_checktype head]
1954trace add variable delete_branch_trackinghead write \
1955        [list radio_selector delete_branch_checktype tracking]
1956
1957proc do_create_branch {} {
1958        global all_heads current_branch repo_config
1959        global create_branch_checkout create_branch_revtype
1960        global create_branch_head create_branch_trackinghead
1961        global create_branch_name create_branch_revexp
1962
1963        set w .branch_editor
1964        toplevel $w
1965        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1966
1967        label $w.header -text {Create New Branch} \
1968                -font font_uibold
1969        pack $w.header -side top -fill x
1970
1971        frame $w.buttons
1972        button $w.buttons.create -text Create \
1973                -font font_ui \
1974                -default active \
1975                -command [list do_create_branch_action $w]
1976        pack $w.buttons.create -side right
1977        button $w.buttons.cancel -text {Cancel} \
1978                -font font_ui \
1979                -command [list destroy $w]
1980        pack $w.buttons.cancel -side right -padx 5
1981        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1982
1983        labelframe $w.desc \
1984                -text {Branch Description} \
1985                -font font_ui
1986        label $w.desc.name_l -text {Name:} -font font_ui
1987        entry $w.desc.name_t \
1988                -borderwidth 1 \
1989                -relief sunken \
1990                -width 40 \
1991                -textvariable create_branch_name \
1992                -font font_ui \
1993                -validate key \
1994                -validatecommand {
1995                        if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
1996                        return 1
1997                }
1998        grid $w.desc.name_l $w.desc.name_t -sticky we -padx {0 5}
1999        grid columnconfigure $w.desc 1 -weight 1
2000        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
2001
2002        labelframe $w.from \
2003                -text {Starting Revision} \
2004                -font font_ui
2005        radiobutton $w.from.head_r \
2006                -text {Local Branch:} \
2007                -value head \
2008                -variable create_branch_revtype \
2009                -font font_ui
2010        eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
2011        grid $w.from.head_r $w.from.head_m -sticky w
2012        set all_trackings [all_tracking_branches]
2013        if {$all_trackings ne {}} {
2014                set create_branch_trackinghead [lindex $all_trackings 0]
2015                radiobutton $w.from.tracking_r \
2016                        -text {Tracking Branch:} \
2017                        -value tracking \
2018                        -variable create_branch_revtype \
2019                        -font font_ui
2020                eval tk_optionMenu $w.from.tracking_m \
2021                        create_branch_trackinghead \
2022                        $all_trackings
2023                grid $w.from.tracking_r $w.from.tracking_m -sticky w
2024        }
2025        radiobutton $w.from.exp_r \
2026                -text {Revision Expression:} \
2027                -value expression \
2028                -variable create_branch_revtype \
2029                -font font_ui
2030        entry $w.from.exp_t \
2031                -borderwidth 1 \
2032                -relief sunken \
2033                -width 50 \
2034                -textvariable create_branch_revexp \
2035                -font font_ui \
2036                -validate key \
2037                -validatecommand {
2038                        if {%d == 1 && [regexp {\s} %S]} {return 0}
2039                        if {%d == 1 && [string length %S] > 0} {
2040                                set create_branch_revtype expression
2041                        }
2042                        return 1
2043                }
2044        grid $w.from.exp_r $w.from.exp_t -sticky we -padx {0 5}
2045        grid columnconfigure $w.from 1 -weight 1
2046        pack $w.from -anchor nw -fill x -pady 5 -padx 5
2047
2048        labelframe $w.postActions \
2049                -text {Post Creation Actions} \
2050                -font font_ui
2051        checkbutton $w.postActions.checkout \
2052                -text {Checkout after creation} \
2053                -variable create_branch_checkout \
2054                -font font_ui
2055        pack $w.postActions.checkout -anchor nw
2056        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
2057
2058        set create_branch_checkout 1
2059        set create_branch_head $current_branch
2060        set create_branch_revtype head
2061        set create_branch_name $repo_config(gui.newbranchtemplate)
2062        set create_branch_revexp {}
2063
2064        bind $w <Visibility> "
2065                grab $w
2066                $w.desc.name_t icursor end
2067                focus $w.desc.name_t
2068        "
2069        bind $w <Key-Escape> "destroy $w"
2070        bind $w <Key-Return> "do_create_branch_action $w;break"
2071        wm title $w "[appname] ([reponame]): Create Branch"
2072        tkwait window $w
2073}
2074
2075proc do_delete_branch_action {w} {
2076        global all_heads
2077        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2078
2079        set check_rev {}
2080        switch -- $delete_branch_checktype {
2081        head {set check_rev $delete_branch_head}
2082        tracking {set check_rev $delete_branch_trackinghead}
2083        always {set check_rev {:none}}
2084        }
2085        if {$check_rev eq {:none}} {
2086                set check_cmt {}
2087        } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
2088                tk_messageBox \
2089                        -icon error \
2090                        -type ok \
2091                        -title [wm title $w] \
2092                        -parent $w \
2093                        -message "Invalid check revision: $check_rev"
2094                return
2095        }
2096
2097        set to_delete [list]
2098        set not_merged [list]
2099        foreach i [$w.list.l curselection] {
2100                set b [$w.list.l get $i]
2101                if {[catch {set o [exec git rev-parse --verify $b]}]} continue
2102                if {$check_cmt ne {}} {
2103                        if {$b eq $check_rev} continue
2104                        if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
2105                        if {$o ne $m} {
2106                                lappend not_merged $b
2107                                continue
2108                        }
2109                }
2110                lappend to_delete [list $b $o]
2111        }
2112        if {$not_merged ne {}} {
2113                set msg "The following branches are not completely merged into $check_rev:
2114
2115 - [join $not_merged "\n - "]"
2116                tk_messageBox \
2117                        -icon info \
2118                        -type ok \
2119                        -title [wm title $w] \
2120                        -parent $w \
2121                        -message $msg
2122        }
2123        if {$to_delete eq {}} return
2124        if {$delete_branch_checktype eq {always}} {
2125                set msg {Recovering deleted branches is difficult.
2126
2127Delete the selected branches?}
2128                if {[tk_messageBox \
2129                        -icon warning \
2130                        -type yesno \
2131                        -title [wm title $w] \
2132                        -parent $w \
2133                        -message $msg] ne yes} {
2134                        return
2135                }
2136        }
2137
2138        set failed {}
2139        foreach i $to_delete {
2140                set b [lindex $i 0]
2141                set o [lindex $i 1]
2142                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
2143                        append failed " - $b: $err\n"
2144                } else {
2145                        set x [lsearch -sorted -exact $all_heads $b]
2146                        if {$x >= 0} {
2147                                set all_heads [lreplace $all_heads $x $x]
2148                        }
2149                }
2150        }
2151
2152        if {$failed ne {}} {
2153                tk_messageBox \
2154                        -icon error \
2155                        -type ok \
2156                        -title [wm title $w] \
2157                        -parent $w \
2158                        -message "Failed to delete branches:\n$failed"
2159        }
2160
2161        set all_heads [lsort $all_heads]
2162        populate_branch_menu
2163        destroy $w
2164}
2165
2166proc do_delete_branch {} {
2167        global all_heads tracking_branches current_branch
2168        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2169
2170        set w .branch_editor
2171        toplevel $w
2172        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2173
2174        label $w.header -text {Delete Local Branch} \
2175                -font font_uibold
2176        pack $w.header -side top -fill x
2177
2178        frame $w.buttons
2179        button $w.buttons.create -text Delete \
2180                -font font_ui \
2181                -command [list do_delete_branch_action $w]
2182        pack $w.buttons.create -side right
2183        button $w.buttons.cancel -text {Cancel} \
2184                -font font_ui \
2185                -command [list destroy $w]
2186        pack $w.buttons.cancel -side right -padx 5
2187        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2188
2189        labelframe $w.list \
2190                -text {Local Branches} \
2191                -font font_ui
2192        listbox $w.list.l \
2193                -height 10 \
2194                -width 50 \
2195                -selectmode extended \
2196                -font font_ui
2197        foreach h $all_heads {
2198                if {$h ne $current_branch} {
2199                        $w.list.l insert end $h
2200                }
2201        }
2202        pack $w.list.l -fill both -pady 5 -padx 5
2203        pack $w.list -fill both -pady 5 -padx 5
2204
2205        labelframe $w.validate \
2206                -text {Delete Only If} \
2207                -font font_ui
2208        radiobutton $w.validate.head_r \
2209                -text {Merged Into Local Branch:} \
2210                -value head \
2211                -variable delete_branch_checktype \
2212                -font font_ui
2213        eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
2214        grid $w.validate.head_r $w.validate.head_m -sticky w
2215        set all_trackings [all_tracking_branches]
2216        if {$all_trackings ne {}} {
2217                set delete_branch_trackinghead [lindex $all_trackings 0]
2218                radiobutton $w.validate.tracking_r \
2219                        -text {Merged Into Tracking Branch:} \
2220                        -value tracking \
2221                        -variable delete_branch_checktype \
2222                        -font font_ui
2223                eval tk_optionMenu $w.validate.tracking_m \
2224                        delete_branch_trackinghead \
2225                        $all_trackings
2226                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2227        }
2228        radiobutton $w.validate.always_r \
2229                -text {Always (Do not perform merge checks)} \
2230                -value always \
2231                -variable delete_branch_checktype \
2232                -font font_ui
2233        grid $w.validate.always_r -columnspan 2 -sticky w
2234        grid columnconfigure $w.validate 1 -weight 1
2235        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2236
2237        set delete_branch_head $current_branch
2238        set delete_branch_checktype head
2239
2240        bind $w <Visibility> "grab $w; focus $w"
2241        bind $w <Key-Escape> "destroy $w"
2242        wm title $w "[appname] ([reponame]): Delete Branch"
2243        tkwait window $w
2244}
2245
2246proc switch_branch {new_branch} {
2247        global HEAD commit_type current_branch repo_config
2248
2249        if {![lock_index switch]} return
2250
2251        # -- Our in memory state should match the repository.
2252        #
2253        repository_state curType curHEAD curMERGE_HEAD
2254        if {[string match amend* $commit_type]
2255                && $curType eq {normal}
2256                && $curHEAD eq $HEAD} {
2257        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2258                info_popup {Last scanned state does not match repository state.
2259
2260Another Git program has modified this repository
2261since the last scan.  A rescan must be performed
2262before the current branch can be changed.
2263
2264The rescan will be automatically started now.
2265}
2266                unlock_index
2267                rescan {set ui_status_value {Ready.}}
2268                return
2269        }
2270
2271        # -- Don't do a pointless switch.
2272        #
2273        if {$current_branch eq $new_branch} {
2274                unlock_index
2275                return
2276        }
2277
2278        if {$repo_config(gui.trustmtime) eq {true}} {
2279                switch_branch_stage2 {} $new_branch
2280        } else {
2281                set ui_status_value {Refreshing file status...}
2282                set cmd [list git update-index]
2283                lappend cmd -q
2284                lappend cmd --unmerged
2285                lappend cmd --ignore-missing
2286                lappend cmd --refresh
2287                set fd_rf [open "| $cmd" r]
2288                fconfigure $fd_rf -blocking 0 -translation binary
2289                fileevent $fd_rf readable \
2290                        [list switch_branch_stage2 $fd_rf $new_branch]
2291        }
2292}
2293
2294proc switch_branch_stage2 {fd_rf new_branch} {
2295        global ui_status_value HEAD
2296
2297        if {$fd_rf ne {}} {
2298                read $fd_rf
2299                if {![eof $fd_rf]} return
2300                close $fd_rf
2301        }
2302
2303        set ui_status_value "Updating working directory to '$new_branch'..."
2304        set cmd [list git read-tree]
2305        lappend cmd -m
2306        lappend cmd -u
2307        lappend cmd --exclude-per-directory=.gitignore
2308        lappend cmd $HEAD
2309        lappend cmd $new_branch
2310        set fd_rt [open "| $cmd" r]
2311        fconfigure $fd_rt -blocking 0 -translation binary
2312        fileevent $fd_rt readable \
2313                [list switch_branch_readtree_wait $fd_rt $new_branch]
2314}
2315
2316proc switch_branch_readtree_wait {fd_rt new_branch} {
2317        global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
2318        global current_branch
2319        global ui_comm ui_status_value
2320
2321        # -- We never get interesting output on stdout; only stderr.
2322        #
2323        read $fd_rt
2324        fconfigure $fd_rt -blocking 1
2325        if {![eof $fd_rt]} {
2326                fconfigure $fd_rt -blocking 0
2327                return
2328        }
2329
2330        # -- The working directory wasn't in sync with the index and
2331        #    we'd have to overwrite something to make the switch. A
2332        #    merge is required.
2333        #
2334        if {[catch {close $fd_rt} err]} {
2335                regsub {^fatal: } $err {} err
2336                warn_popup "File level merge required.
2337
2338$err
2339
2340Staying on branch '$current_branch'."
2341                set ui_status_value "Aborted checkout of '$new_branch' (file level merging is required)."
2342                unlock_index
2343                return
2344        }
2345
2346        # -- Update the symbolic ref.  Core git doesn't even check for failure
2347        #    here, it Just Works(tm).  If it doesn't we are in some really ugly
2348        #    state that is difficult to recover from within git-gui.
2349        #
2350        if {[catch {exec git symbolic-ref HEAD "refs/heads/$new_branch"} err]} {
2351                error_popup "Failed to set current branch.
2352
2353This working directory is only partially switched.
2354We successfully updated your files, but failed to
2355update an internal Git file.
2356
2357This should not have occurred.  [appname] will now
2358close and give up.
2359
2360$err"
2361                do_quit
2362                return
2363        }
2364
2365        # -- Update our repository state.  If we were previously in amend mode
2366        #    we need to toss the current buffer and do a full rescan to update
2367        #    our file lists.  If we weren't in amend mode our file lists are
2368        #    accurate and we can avoid the rescan.
2369        #
2370        unlock_index
2371        set selected_commit_type new
2372        if {[string match amend* $commit_type]} {
2373                $ui_comm delete 0.0 end
2374                $ui_comm edit reset
2375                $ui_comm edit modified false
2376                rescan {set ui_status_value "Checked out branch '$current_branch'."}
2377        } else {
2378                repository_state commit_type HEAD MERGE_HEAD
2379                set PARENT $HEAD
2380                set ui_status_value "Checked out branch '$current_branch'."
2381        }
2382}
2383
2384######################################################################
2385##
2386## remote management
2387
2388proc load_all_remotes {} {
2389        global repo_config
2390        global all_remotes tracking_branches
2391
2392        set all_remotes [list]
2393        array unset tracking_branches
2394
2395        set rm_dir [gitdir remotes]
2396        if {[file isdirectory $rm_dir]} {
2397                set all_remotes [glob \
2398                        -types f \
2399                        -tails \
2400                        -nocomplain \
2401                        -directory $rm_dir *]
2402
2403                foreach name $all_remotes {
2404                        catch {
2405                                set fd [open [file join $rm_dir $name] r]
2406                                while {[gets $fd line] >= 0} {
2407                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2408                                                $line line src dst]} continue
2409                                        if {![regexp ^refs/ $dst]} {
2410                                                set dst "refs/heads/$dst"
2411                                        }
2412                                        set tracking_branches($dst) [list $name $src]
2413                                }
2414                                close $fd
2415                        }
2416                }
2417        }
2418
2419        foreach line [array names repo_config remote.*.url] {
2420                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2421                lappend all_remotes $name
2422
2423                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2424                        set fl {}
2425                }
2426                foreach line $fl {
2427                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2428                        if {![regexp ^refs/ $dst]} {
2429                                set dst "refs/heads/$dst"
2430                        }
2431                        set tracking_branches($dst) [list $name $src]
2432                }
2433        }
2434
2435        set all_remotes [lsort -unique $all_remotes]
2436}
2437
2438proc populate_fetch_menu {} {
2439        global all_remotes repo_config
2440
2441        set m .mbar.fetch
2442        foreach r $all_remotes {
2443                set enable 0
2444                if {![catch {set a $repo_config(remote.$r.url)}]} {
2445                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2446                                set enable 1
2447                        }
2448                } else {
2449                        catch {
2450                                set fd [open [gitdir remotes $r] r]
2451                                while {[gets $fd n] >= 0} {
2452                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2453                                                set enable 1
2454                                                break
2455                                        }
2456                                }
2457                                close $fd
2458                        }
2459                }
2460
2461                if {$enable} {
2462                        $m add command \
2463                                -label "Fetch from $r..." \
2464                                -command [list fetch_from $r] \
2465                                -font font_ui
2466                }
2467        }
2468}
2469
2470proc populate_push_menu {} {
2471        global all_remotes repo_config
2472
2473        set m .mbar.push
2474        set fast_count 0
2475        foreach r $all_remotes {
2476                set enable 0
2477                if {![catch {set a $repo_config(remote.$r.url)}]} {
2478                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2479                                set enable 1
2480                        }
2481                } else {
2482                        catch {
2483                                set fd [open [gitdir remotes $r] r]
2484                                while {[gets $fd n] >= 0} {
2485                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2486                                                set enable 1
2487                                                break
2488                                        }
2489                                }
2490                                close $fd
2491                        }
2492                }
2493
2494                if {$enable} {
2495                        if {!$fast_count} {
2496                                $m add separator
2497                        }
2498                        $m add command \
2499                                -label "Push to $r..." \
2500                                -command [list push_to $r] \
2501                                -font font_ui
2502                        incr fast_count
2503                }
2504        }
2505}
2506
2507proc start_push_anywhere_action {w} {
2508        global push_urltype push_remote push_url push_thin push_tags
2509
2510        set r_url {}
2511        switch -- $push_urltype {
2512        remote {set r_url $push_remote}
2513        url {set r_url $push_url}
2514        }
2515        if {$r_url eq {}} return
2516
2517        set cmd [list git push]
2518        lappend cmd -v
2519        if {$push_thin} {
2520                lappend cmd --thin
2521        }
2522        if {$push_tags} {
2523                lappend cmd --tags
2524        }
2525        lappend cmd $r_url
2526        set cnt 0
2527        foreach i [$w.source.l curselection] {
2528                set b [$w.source.l get $i]
2529                lappend cmd "refs/heads/$b:refs/heads/$b"
2530                incr cnt
2531        }
2532        if {$cnt == 0} {
2533                return
2534        } elseif {$cnt == 1} {
2535                set unit branch
2536        } else {
2537                set unit branches
2538        }
2539
2540        set cons [new_console "push $r_url" "Pushing $cnt $unit to $r_url"]
2541        console_exec $cons $cmd
2542        destroy $w
2543}
2544
2545trace add variable push_remote write \
2546        [list radio_selector push_urltype remote]
2547
2548proc do_push_anywhere {} {
2549        global all_heads all_remotes current_branch
2550        global push_urltype push_remote push_url push_thin push_tags
2551
2552        set w .push_setup
2553        toplevel $w
2554        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2555
2556        label $w.header -text {Push Branches} -font font_uibold
2557        pack $w.header -side top -fill x
2558
2559        frame $w.buttons
2560        button $w.buttons.create -text Push \
2561                -font font_ui \
2562                -command [list start_push_anywhere_action $w]
2563        pack $w.buttons.create -side right
2564        button $w.buttons.cancel -text {Cancel} \
2565                -font font_ui \
2566                -command [list destroy $w]
2567        pack $w.buttons.cancel -side right -padx 5
2568        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2569
2570        labelframe $w.source \
2571                -text {Source Branches} \
2572                -font font_ui
2573        listbox $w.source.l \
2574                -height 10 \
2575                -width 50 \
2576                -selectmode extended \
2577                -font font_ui
2578        foreach h $all_heads {
2579                $w.source.l insert end $h
2580                if {$h eq $current_branch} {
2581                        $w.source.l select set end
2582                }
2583        }
2584        pack $w.source.l -fill both -pady 5 -padx 5
2585        pack $w.source -fill both -pady 5 -padx 5
2586
2587        labelframe $w.dest \
2588                -text {Destination Repository} \
2589                -font font_ui
2590        if {$all_remotes ne {}} {
2591                radiobutton $w.dest.remote_r \
2592                        -text {Remote:} \
2593                        -value remote \
2594                        -variable push_urltype \
2595                        -font font_ui
2596                eval tk_optionMenu $w.dest.remote_m push_remote $all_remotes
2597                grid $w.dest.remote_r $w.dest.remote_m -sticky w
2598                if {[lsearch -sorted -exact $all_remotes origin] != -1} {
2599                        set push_remote origin
2600                } else {
2601                        set push_remote [lindex $all_remotes 0]
2602                }
2603                set push_urltype remote
2604        } else {
2605                set push_urltype url
2606        }
2607        radiobutton $w.dest.url_r \
2608                -text {Arbitrary URL:} \
2609                -value url \
2610                -variable push_urltype \
2611                -font font_ui
2612        entry $w.dest.url_t \
2613                -borderwidth 1 \
2614                -relief sunken \
2615                -width 50 \
2616                -textvariable push_url \
2617                -font font_ui \
2618                -validate key \
2619                -validatecommand {
2620                        if {%d == 1 && [regexp {\s} %S]} {return 0}
2621                        if {%d == 1 && [string length %S] > 0} {
2622                                set push_urltype url
2623                        }
2624                        return 1
2625                }
2626        grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
2627        grid columnconfigure $w.dest 1 -weight 1
2628        pack $w.dest -anchor nw -fill x -pady 5 -padx 5
2629
2630        labelframe $w.options \
2631                -text {Transfer Options} \
2632                -font font_ui
2633        checkbutton $w.options.thin \
2634                -text {Use thin pack (for slow network connections)} \
2635                -variable push_thin \
2636                -font font_ui
2637        grid $w.options.thin -columnspan 2 -sticky w
2638        checkbutton $w.options.tags \
2639                -text {Include tags} \
2640                -variable push_tags \
2641                -font font_ui
2642        grid $w.options.tags -columnspan 2 -sticky w
2643        grid columnconfigure $w.options 1 -weight 1
2644        pack $w.options -anchor nw -fill x -pady 5 -padx 5
2645
2646        set push_url {}
2647        set push_thin 0
2648        set push_tags 0
2649
2650        bind $w <Visibility> "grab $w"
2651        bind $w <Key-Escape> "destroy $w"
2652        wm title $w "[appname] ([reponame]): Push"
2653        tkwait window $w
2654}
2655
2656######################################################################
2657##
2658## icons
2659
2660set filemask {
2661#define mask_width 14
2662#define mask_height 15
2663static unsigned char mask_bits[] = {
2664   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2665   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2666   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2667}
2668
2669image create bitmap file_plain -background white -foreground black -data {
2670#define plain_width 14
2671#define plain_height 15
2672static unsigned char plain_bits[] = {
2673   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2674   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2675   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2676} -maskdata $filemask
2677
2678image create bitmap file_mod -background white -foreground blue -data {
2679#define mod_width 14
2680#define mod_height 15
2681static unsigned char mod_bits[] = {
2682   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2683   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2684   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2685} -maskdata $filemask
2686
2687image create bitmap file_fulltick -background white -foreground "#007000" -data {
2688#define file_fulltick_width 14
2689#define file_fulltick_height 15
2690static unsigned char file_fulltick_bits[] = {
2691   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2692   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2693   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2694} -maskdata $filemask
2695
2696image create bitmap file_parttick -background white -foreground "#005050" -data {
2697#define parttick_width 14
2698#define parttick_height 15
2699static unsigned char parttick_bits[] = {
2700   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2701   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2702   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2703} -maskdata $filemask
2704
2705image create bitmap file_question -background white -foreground black -data {
2706#define file_question_width 14
2707#define file_question_height 15
2708static unsigned char file_question_bits[] = {
2709   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2710   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2711   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2712} -maskdata $filemask
2713
2714image create bitmap file_removed -background white -foreground red -data {
2715#define file_removed_width 14
2716#define file_removed_height 15
2717static unsigned char file_removed_bits[] = {
2718   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2719   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2720   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2721} -maskdata $filemask
2722
2723image create bitmap file_merge -background white -foreground blue -data {
2724#define file_merge_width 14
2725#define file_merge_height 15
2726static unsigned char file_merge_bits[] = {
2727   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2728   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2729   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2730} -maskdata $filemask
2731
2732set ui_index .vpane.files.index.list
2733set ui_workdir .vpane.files.workdir.list
2734
2735set all_icons(_$ui_index)   file_plain
2736set all_icons(A$ui_index)   file_fulltick
2737set all_icons(M$ui_index)   file_fulltick
2738set all_icons(D$ui_index)   file_removed
2739set all_icons(U$ui_index)   file_merge
2740
2741set all_icons(_$ui_workdir) file_plain
2742set all_icons(M$ui_workdir) file_mod
2743set all_icons(D$ui_workdir) file_question
2744set all_icons(U$ui_workdir) file_merge
2745set all_icons(O$ui_workdir) file_plain
2746
2747set max_status_desc 0
2748foreach i {
2749                {__ "Unmodified"}
2750
2751                {_M "Modified, not staged"}
2752                {M_ "Staged for commit"}
2753                {MM "Portions staged for commit"}
2754                {MD "Staged for commit, missing"}
2755
2756                {_O "Untracked, not staged"}
2757                {A_ "Staged for commit"}
2758                {AM "Portions staged for commit"}
2759                {AD "Staged for commit, missing"}
2760
2761                {_D "Missing"}
2762                {D_ "Staged for removal"}
2763                {DO "Staged for removal, still present"}
2764
2765                {U_ "Requires merge resolution"}
2766                {UU "Requires merge resolution"}
2767                {UM "Requires merge resolution"}
2768                {UD "Requires merge resolution"}
2769        } {
2770        if {$max_status_desc < [string length [lindex $i 1]]} {
2771                set max_status_desc [string length [lindex $i 1]]
2772        }
2773        set all_descs([lindex $i 0]) [lindex $i 1]
2774}
2775unset i
2776
2777######################################################################
2778##
2779## util
2780
2781proc is_MacOSX {} {
2782        global tcl_platform tk_library
2783        if {[tk windowingsystem] eq {aqua}} {
2784                return 1
2785        }
2786        return 0
2787}
2788
2789proc is_Windows {} {
2790        global tcl_platform
2791        if {$tcl_platform(platform) eq {windows}} {
2792                return 1
2793        }
2794        return 0
2795}
2796
2797proc bind_button3 {w cmd} {
2798        bind $w <Any-Button-3> $cmd
2799        if {[is_MacOSX]} {
2800                bind $w <Control-Button-1> $cmd
2801        }
2802}
2803
2804proc incr_font_size {font {amt 1}} {
2805        set sz [font configure $font -size]
2806        incr sz $amt
2807        font configure $font -size $sz
2808        font configure ${font}bold -size $sz
2809}
2810
2811proc hook_failed_popup {hook msg} {
2812        set w .hookfail
2813        toplevel $w
2814
2815        frame $w.m
2816        label $w.m.l1 -text "$hook hook failed:" \
2817                -anchor w \
2818                -justify left \
2819                -font font_uibold
2820        text $w.m.t \
2821                -background white -borderwidth 1 \
2822                -relief sunken \
2823                -width 80 -height 10 \
2824                -font font_diff \
2825                -yscrollcommand [list $w.m.sby set]
2826        label $w.m.l2 \
2827                -text {You must correct the above errors before committing.} \
2828                -anchor w \
2829                -justify left \
2830                -font font_uibold
2831        scrollbar $w.m.sby -command [list $w.m.t yview]
2832        pack $w.m.l1 -side top -fill x
2833        pack $w.m.l2 -side bottom -fill x
2834        pack $w.m.sby -side right -fill y
2835        pack $w.m.t -side left -fill both -expand 1
2836        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2837
2838        $w.m.t insert 1.0 $msg
2839        $w.m.t conf -state disabled
2840
2841        button $w.ok -text OK \
2842                -width 15 \
2843                -font font_ui \
2844                -command "destroy $w"
2845        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2846
2847        bind $w <Visibility> "grab $w; focus $w"
2848        bind $w <Key-Return> "destroy $w"
2849        wm title $w "[appname] ([reponame]): error"
2850        tkwait window $w
2851}
2852
2853set next_console_id 0
2854
2855proc new_console {short_title long_title} {
2856        global next_console_id console_data
2857        set w .console[incr next_console_id]
2858        set console_data($w) [list $short_title $long_title]
2859        return [console_init $w]
2860}
2861
2862proc console_init {w} {
2863        global console_cr console_data M1B
2864
2865        set console_cr($w) 1.0
2866        toplevel $w
2867        frame $w.m
2868        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2869                -anchor w \
2870                -justify left \
2871                -font font_uibold
2872        text $w.m.t \
2873                -background white -borderwidth 1 \
2874                -relief sunken \
2875                -width 80 -height 10 \
2876                -font font_diff \
2877                -state disabled \
2878                -yscrollcommand [list $w.m.sby set]
2879        label $w.m.s -text {Working... please wait...} \
2880                -anchor w \
2881                -justify left \
2882                -font font_uibold
2883        scrollbar $w.m.sby -command [list $w.m.t yview]
2884        pack $w.m.l1 -side top -fill x
2885        pack $w.m.s -side bottom -fill x
2886        pack $w.m.sby -side right -fill y
2887        pack $w.m.t -side left -fill both -expand 1
2888        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2889
2890        menu $w.ctxm -tearoff 0
2891        $w.ctxm add command -label "Copy" \
2892                -font font_ui \
2893                -command "tk_textCopy $w.m.t"
2894        $w.ctxm add command -label "Select All" \
2895                -font font_ui \
2896                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
2897        $w.ctxm add command -label "Copy All" \
2898                -font font_ui \
2899                -command "
2900                        $w.m.t tag add sel 0.0 end
2901                        tk_textCopy $w.m.t
2902                        $w.m.t tag remove sel 0.0 end
2903                "
2904
2905        button $w.ok -text {Close} \
2906                -font font_ui \
2907                -state disabled \
2908                -command "destroy $w"
2909        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2910
2911        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2912        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2913        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2914        bind $w <Visibility> "focus $w"
2915        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2916        return $w
2917}
2918
2919proc console_exec {w cmd {after {}}} {
2920        # -- Windows tosses the enviroment when we exec our child.
2921        #    But most users need that so we have to relogin. :-(
2922        #
2923        if {[is_Windows]} {
2924                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2925        }
2926
2927        # -- Tcl won't let us redirect both stdout and stderr to
2928        #    the same pipe.  So pass it through cat...
2929        #
2930        set cmd [concat | $cmd |& cat]
2931
2932        set fd_f [open $cmd r]
2933        fconfigure $fd_f -blocking 0 -translation binary
2934        fileevent $fd_f readable [list console_read $w $fd_f $after]
2935}
2936
2937proc console_read {w fd after} {
2938        global console_cr console_data
2939
2940        set buf [read $fd]
2941        if {$buf ne {}} {
2942                if {![winfo exists $w]} {console_init $w}
2943                $w.m.t conf -state normal
2944                set c 0
2945                set n [string length $buf]
2946                while {$c < $n} {
2947                        set cr [string first "\r" $buf $c]
2948                        set lf [string first "\n" $buf $c]
2949                        if {$cr < 0} {set cr [expr {$n + 1}]}
2950                        if {$lf < 0} {set lf [expr {$n + 1}]}
2951
2952                        if {$lf < $cr} {
2953                                $w.m.t insert end [string range $buf $c $lf]
2954                                set console_cr($w) [$w.m.t index {end -1c}]
2955                                set c $lf
2956                                incr c
2957                        } else {
2958                                $w.m.t delete $console_cr($w) end
2959                                $w.m.t insert end "\n"
2960                                $w.m.t insert end [string range $buf $c $cr]
2961                                set c $cr
2962                                incr c
2963                        }
2964                }
2965                $w.m.t conf -state disabled
2966                $w.m.t see end
2967        }
2968
2969        fconfigure $fd -blocking 1
2970        if {[eof $fd]} {
2971                if {[catch {close $fd}]} {
2972                        if {![winfo exists $w]} {console_init $w}
2973                        $w.m.s conf -background red -text {Error: Command Failed}
2974                        $w.ok conf -state normal
2975                        set ok 0
2976                } elseif {[winfo exists $w]} {
2977                        $w.m.s conf -background green -text {Success}
2978                        $w.ok conf -state normal
2979                        set ok 1
2980                }
2981                array unset console_cr $w
2982                array unset console_data $w
2983                if {$after ne {}} {
2984                        uplevel #0 $after $ok
2985                }
2986                return
2987        }
2988        fconfigure $fd -blocking 0
2989}
2990
2991######################################################################
2992##
2993## ui commands
2994
2995set starting_gitk_msg {Starting gitk... please wait...}
2996
2997proc do_gitk {revs} {
2998        global ui_status_value starting_gitk_msg
2999
3000        set cmd gitk
3001        if {$revs ne {}} {
3002                append cmd { }
3003                append cmd $revs
3004        }
3005        if {[is_Windows]} {
3006                set cmd "sh -c \"exec $cmd\""
3007        }
3008        append cmd { &}
3009
3010        if {[catch {eval exec $cmd} err]} {
3011                error_popup "Failed to start gitk:\n\n$err"
3012        } else {
3013                set ui_status_value $starting_gitk_msg
3014                after 10000 {
3015                        if {$ui_status_value eq $starting_gitk_msg} {
3016                                set ui_status_value {Ready.}
3017                        }
3018                }
3019        }
3020}
3021
3022proc do_stats {} {
3023        set fd [open "| git count-objects -v" r]
3024        while {[gets $fd line] > 0} {
3025                if {[regexp {^([^:]+): (\d+)$} $line _ name value]} {
3026                        set stats($name) $value
3027                }
3028        }
3029        close $fd
3030
3031        set packed_sz 0
3032        foreach p [glob -directory [gitdir objects pack] \
3033                -type f \
3034                -nocomplain -- *] {
3035                incr packed_sz [file size $p]
3036        }
3037        if {$packed_sz > 0} {
3038                set stats(size-pack) [expr {$packed_sz / 1024}]
3039        }
3040
3041        set w .stats_view
3042        toplevel $w
3043        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3044
3045        label $w.header -text {Database Statistics} \
3046                -font font_uibold
3047        pack $w.header -side top -fill x
3048
3049        frame $w.buttons -border 1
3050        button $w.buttons.close -text Close \
3051                -font font_ui \
3052                -command [list destroy $w]
3053        button $w.buttons.gc -text {Compress Database} \
3054                -font font_ui \
3055                -command "destroy $w;do_gc"
3056        pack $w.buttons.close -side right
3057        pack $w.buttons.gc -side left
3058        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3059
3060        frame $w.stat -borderwidth 1 -relief solid
3061        foreach s {
3062                {count           {Number of loose objects}}
3063                {size            {Disk space used by loose objects} { KiB}}
3064                {in-pack         {Number of packed objects}}
3065                {packs           {Number of packs}}
3066                {size-pack       {Disk space used by packed objects} { KiB}}
3067                {prune-packable  {Packed objects waiting for pruning}}
3068                {garbage         {Garbage files}}
3069                } {
3070                set name [lindex $s 0]
3071                set label [lindex $s 1]
3072                if {[catch {set value $stats($name)}]} continue
3073                if {[llength $s] > 2} {
3074                        set value "$value[lindex $s 2]"
3075                }
3076
3077                label $w.stat.l_$name -text "$label:" -anchor w -font font_ui
3078                label $w.stat.v_$name -text $value -anchor w -font font_ui
3079                grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
3080        }
3081        pack $w.stat -pady 10 -padx 10
3082
3083        bind $w <Visibility> "grab $w; focus $w"
3084        bind $w <Key-Escape> [list destroy $w]
3085        bind $w <Key-Return> [list destroy $w]
3086        wm title $w "[appname] ([reponame]): Database Statistics"
3087        tkwait window $w
3088}
3089
3090proc do_gc {} {
3091        set w [new_console {gc} {Compressing the object database}]
3092        console_exec $w {git gc}
3093}
3094
3095proc do_fsck_objects {} {
3096        set w [new_console {fsck-objects} \
3097                {Verifying the object database with fsck-objects}]
3098        set cmd [list git fsck-objects]
3099        lappend cmd --full
3100        lappend cmd --cache
3101        lappend cmd --strict
3102        console_exec $w $cmd
3103}
3104
3105set is_quitting 0
3106
3107proc do_quit {} {
3108        global ui_comm is_quitting repo_config commit_type
3109
3110        if {$is_quitting} return
3111        set is_quitting 1
3112
3113        # -- Stash our current commit buffer.
3114        #
3115        set save [gitdir GITGUI_MSG]
3116        set msg [string trim [$ui_comm get 0.0 end]]
3117        regsub -all -line {[ \r\t]+$} $msg {} msg
3118        if {(![string match amend* $commit_type]
3119                || [$ui_comm edit modified])
3120                && $msg ne {}} {
3121                catch {
3122                        set fd [open $save w]
3123                        puts -nonewline $fd $msg
3124                        close $fd
3125                }
3126        } else {
3127                catch {file delete $save}
3128        }
3129
3130        # -- Stash our current window geometry into this repository.
3131        #
3132        set cfg_geometry [list]
3133        lappend cfg_geometry [wm geometry .]
3134        lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
3135        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
3136        if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
3137                set rc_geometry {}
3138        }
3139        if {$cfg_geometry ne $rc_geometry} {
3140                catch {exec git repo-config gui.geometry $cfg_geometry}
3141        }
3142
3143        destroy .
3144}
3145
3146proc do_rescan {} {
3147        rescan {set ui_status_value {Ready.}}
3148}
3149
3150proc unstage_helper {txt paths} {
3151        global file_states current_diff_path
3152
3153        if {![lock_index begin-update]} return
3154
3155        set pathList [list]
3156        set after {}
3157        foreach path $paths {
3158                switch -glob -- [lindex $file_states($path) 0] {
3159                A? -
3160                M? -
3161                D? {
3162                        lappend pathList $path
3163                        if {$path eq $current_diff_path} {
3164                                set after {reshow_diff;}
3165                        }
3166                }
3167                }
3168        }
3169        if {$pathList eq {}} {
3170                unlock_index
3171        } else {
3172                update_indexinfo \
3173                        $txt \
3174                        $pathList \
3175                        [concat $after {set ui_status_value {Ready.}}]
3176        }
3177}
3178
3179proc do_unstage_selection {} {
3180        global current_diff_path selected_paths
3181
3182        if {[array size selected_paths] > 0} {
3183                unstage_helper \
3184                        {Unstaging selected files from commit} \
3185                        [array names selected_paths]
3186        } elseif {$current_diff_path ne {}} {
3187                unstage_helper \
3188                        "Unstaging [short_path $current_diff_path] from commit" \
3189                        [list $current_diff_path]
3190        }
3191}
3192
3193proc add_helper {txt paths} {
3194        global file_states current_diff_path
3195
3196        if {![lock_index begin-update]} return
3197
3198        set pathList [list]
3199        set after {}
3200        foreach path $paths {
3201                switch -glob -- [lindex $file_states($path) 0] {
3202                _O -
3203                ?M -
3204                ?D -
3205                U? {
3206                        lappend pathList $path
3207                        if {$path eq $current_diff_path} {
3208                                set after {reshow_diff;}
3209                        }
3210                }
3211                }
3212        }
3213        if {$pathList eq {}} {
3214                unlock_index
3215        } else {
3216                update_index \
3217                        $txt \
3218                        $pathList \
3219                        [concat $after {set ui_status_value {Ready to commit.}}]
3220        }
3221}
3222
3223proc do_add_selection {} {
3224        global current_diff_path selected_paths
3225
3226        if {[array size selected_paths] > 0} {
3227                add_helper \
3228                        {Adding selected files} \
3229                        [array names selected_paths]
3230        } elseif {$current_diff_path ne {}} {
3231                add_helper \
3232                        "Adding [short_path $current_diff_path]" \
3233                        [list $current_diff_path]
3234        }
3235}
3236
3237proc do_add_all {} {
3238        global file_states
3239
3240        set paths [list]
3241        foreach path [array names file_states] {
3242                switch -glob -- [lindex $file_states($path) 0] {
3243                U? {continue}
3244                ?M -
3245                ?D {lappend paths $path}
3246                }
3247        }
3248        add_helper {Adding all changed files} $paths
3249}
3250
3251proc revert_helper {txt paths} {
3252        global file_states current_diff_path
3253
3254        if {![lock_index begin-update]} return
3255
3256        set pathList [list]
3257        set after {}
3258        foreach path $paths {
3259                switch -glob -- [lindex $file_states($path) 0] {
3260                U? {continue}
3261                ?M -
3262                ?D {
3263                        lappend pathList $path
3264                        if {$path eq $current_diff_path} {
3265                                set after {reshow_diff;}
3266                        }
3267                }
3268                }
3269        }
3270
3271        set n [llength $pathList]
3272        if {$n == 0} {
3273                unlock_index
3274                return
3275        } elseif {$n == 1} {
3276                set s "[short_path [lindex $pathList]]"
3277        } else {
3278                set s "these $n files"
3279        }
3280
3281        set reply [tk_dialog \
3282                .confirm_revert \
3283                "[appname] ([reponame])" \
3284                "Revert changes in $s?
3285
3286Any unadded changes will be permanently lost by the revert." \
3287                question \
3288                1 \
3289                {Do Nothing} \
3290                {Revert Changes} \
3291                ]
3292        if {$reply == 1} {
3293                checkout_index \
3294                        $txt \
3295                        $pathList \
3296                        [concat $after {set ui_status_value {Ready.}}]
3297        } else {
3298                unlock_index
3299        }
3300}
3301
3302proc do_revert_selection {} {
3303        global current_diff_path selected_paths
3304
3305        if {[array size selected_paths] > 0} {
3306                revert_helper \
3307                        {Reverting selected files} \
3308                        [array names selected_paths]
3309        } elseif {$current_diff_path ne {}} {
3310                revert_helper \
3311                        "Reverting [short_path $current_diff_path]" \
3312                        [list $current_diff_path]
3313        }
3314}
3315
3316proc do_signoff {} {
3317        global ui_comm
3318
3319        set me [committer_ident]
3320        if {$me eq {}} return
3321
3322        set sob "Signed-off-by: $me"
3323        set last [$ui_comm get {end -1c linestart} {end -1c}]
3324        if {$last ne $sob} {
3325                $ui_comm edit separator
3326                if {$last ne {}
3327                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
3328                        $ui_comm insert end "\n"
3329                }
3330                $ui_comm insert end "\n$sob"
3331                $ui_comm edit separator
3332                $ui_comm see end
3333        }
3334}
3335
3336proc do_select_commit_type {} {
3337        global commit_type selected_commit_type
3338
3339        if {$selected_commit_type eq {new}
3340                && [string match amend* $commit_type]} {
3341                create_new_commit
3342        } elseif {$selected_commit_type eq {amend}
3343                && ![string match amend* $commit_type]} {
3344                load_last_commit
3345
3346                # The amend request was rejected...
3347                #
3348                if {![string match amend* $commit_type]} {
3349                        set selected_commit_type new
3350                }
3351        }
3352}
3353
3354proc do_commit {} {
3355        commit_tree
3356}
3357
3358proc do_about {} {
3359        global appvers copyright
3360        global tcl_patchLevel tk_patchLevel
3361
3362        set w .about_dialog
3363        toplevel $w
3364        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3365
3366        label $w.header -text "About [appname]" \
3367                -font font_uibold
3368        pack $w.header -side top -fill x
3369
3370        frame $w.buttons
3371        button $w.buttons.close -text {Close} \
3372                -font font_ui \
3373                -command [list destroy $w]
3374        pack $w.buttons.close -side right
3375        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3376
3377        label $w.desc \
3378                -text "[appname] - a commit creation tool for Git.
3379$copyright" \
3380                -padx 5 -pady 5 \
3381                -justify left \
3382                -anchor w \
3383                -borderwidth 1 \
3384                -relief solid \
3385                -font font_ui
3386        pack $w.desc -side top -fill x -padx 5 -pady 5
3387
3388        set v {}
3389        append v "[appname] version $appvers\n"
3390        append v "[exec git version]\n"
3391        append v "\n"
3392        if {$tcl_patchLevel eq $tk_patchLevel} {
3393                append v "Tcl/Tk version $tcl_patchLevel"
3394        } else {
3395                append v "Tcl version $tcl_patchLevel"
3396                append v ", Tk version $tk_patchLevel"
3397        }
3398
3399        label $w.vers \
3400                -text $v \
3401                -padx 5 -pady 5 \
3402                -justify left \
3403                -anchor w \
3404                -borderwidth 1 \
3405                -relief solid \
3406                -font font_ui
3407        pack $w.vers -side top -fill x -padx 5 -pady 5
3408
3409        menu $w.ctxm -tearoff 0
3410        $w.ctxm add command \
3411                -label {Copy} \
3412                -font font_ui \
3413                -command "
3414                clipboard clear
3415                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
3416        "
3417
3418        bind $w <Visibility> "grab $w; focus $w"
3419        bind $w <Key-Escape> "destroy $w"
3420        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
3421        wm title $w "About [appname]"
3422        tkwait window $w
3423}
3424
3425proc do_options {} {
3426        global repo_config global_config font_descs
3427        global repo_config_new global_config_new
3428
3429        array unset repo_config_new
3430        array unset global_config_new
3431        foreach name [array names repo_config] {
3432                set repo_config_new($name) $repo_config($name)
3433        }
3434        load_config 1
3435        foreach name [array names repo_config] {
3436                switch -- $name {
3437                gui.diffcontext {continue}
3438                }
3439                set repo_config_new($name) $repo_config($name)
3440        }
3441        foreach name [array names global_config] {
3442                set global_config_new($name) $global_config($name)
3443        }
3444
3445        set w .options_editor
3446        toplevel $w
3447        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
3448
3449        label $w.header -text "[appname] Options" \
3450                -font font_uibold
3451        pack $w.header -side top -fill x
3452
3453        frame $w.buttons
3454        button $w.buttons.restore -text {Restore Defaults} \
3455                -font font_ui \
3456                -command do_restore_defaults
3457        pack $w.buttons.restore -side left
3458        button $w.buttons.save -text Save \
3459                -font font_ui \
3460                -command [list do_save_config $w]
3461        pack $w.buttons.save -side right
3462        button $w.buttons.cancel -text {Cancel} \
3463                -font font_ui \
3464                -command [list destroy $w]
3465        pack $w.buttons.cancel -side right -padx 5
3466        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
3467
3468        labelframe $w.repo -text "[reponame] Repository" \
3469                -font font_ui
3470        labelframe $w.global -text {Global (All Repositories)} \
3471                -font font_ui
3472        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
3473        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
3474
3475        foreach option {
3476                {b pullsummary {Show Pull Summary}}
3477                {b trustmtime  {Trust File Modification Timestamps}}
3478                {i diffcontext {Number of Diff Context Lines}}
3479                {t newbranchtemplate {New Branch Name Template}}
3480                } {
3481                set type [lindex $option 0]
3482                set name [lindex $option 1]
3483                set text [lindex $option 2]
3484                foreach f {repo global} {
3485                        switch $type {
3486                        b {
3487                                checkbutton $w.$f.$name -text $text \
3488                                        -variable ${f}_config_new(gui.$name) \
3489                                        -onvalue true \
3490                                        -offvalue false \
3491                                        -font font_ui
3492                                pack $w.$f.$name -side top -anchor w
3493                        }
3494                        i {
3495                                frame $w.$f.$name
3496                                label $w.$f.$name.l -text "$text:" -font font_ui
3497                                pack $w.$f.$name.l -side left -anchor w -fill x
3498                                spinbox $w.$f.$name.v \
3499                                        -textvariable ${f}_config_new(gui.$name) \
3500                                        -from 1 -to 99 -increment 1 \
3501                                        -width 3 \
3502                                        -font font_ui
3503                                bind $w.$f.$name.v <FocusIn> {%W selection range 0 end}
3504                                pack $w.$f.$name.v -side right -anchor e -padx 5
3505                                pack $w.$f.$name -side top -anchor w -fill x
3506                        }
3507                        t {
3508                                frame $w.$f.$name
3509                                label $w.$f.$name.l -text "$text:" -font font_ui
3510                                entry $w.$f.$name.v \
3511                                        -borderwidth 1 \
3512                                        -relief sunken \
3513                                        -width 20 \
3514                                        -textvariable ${f}_config_new(gui.$name) \
3515                                        -font font_ui
3516                                pack $w.$f.$name.l -side left -anchor w
3517                                pack $w.$f.$name.v -side left -anchor w \
3518                                        -fill x -expand 1 \
3519                                        -padx 5
3520                                pack $w.$f.$name -side top -anchor w -fill x
3521                        }
3522                        }
3523                }
3524        }
3525
3526        set all_fonts [lsort [font families]]
3527        foreach option $font_descs {
3528                set name [lindex $option 0]
3529                set font [lindex $option 1]
3530                set text [lindex $option 2]
3531
3532                set global_config_new(gui.$font^^family) \
3533                        [font configure $font -family]
3534                set global_config_new(gui.$font^^size) \
3535                        [font configure $font -size]
3536
3537                frame $w.global.$name
3538                label $w.global.$name.l -text "$text:" -font font_ui
3539                pack $w.global.$name.l -side left -anchor w -fill x
3540                eval tk_optionMenu $w.global.$name.family \
3541                        global_config_new(gui.$font^^family) \
3542                        $all_fonts
3543                spinbox $w.global.$name.size \
3544                        -textvariable global_config_new(gui.$font^^size) \
3545                        -from 2 -to 80 -increment 1 \
3546                        -width 3 \
3547                        -font font_ui
3548                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
3549                pack $w.global.$name.size -side right -anchor e
3550                pack $w.global.$name.family -side right -anchor e
3551                pack $w.global.$name -side top -anchor w -fill x
3552        }
3553
3554        bind $w <Visibility> "grab $w; focus $w"
3555        bind $w <Key-Escape> "destroy $w"
3556        wm title $w "[appname] ([reponame]): Options"
3557        tkwait window $w
3558}
3559
3560proc do_restore_defaults {} {
3561        global font_descs default_config repo_config
3562        global repo_config_new global_config_new
3563
3564        foreach name [array names default_config] {
3565                set repo_config_new($name) $default_config($name)
3566                set global_config_new($name) $default_config($name)
3567        }
3568
3569        foreach option $font_descs {
3570                set name [lindex $option 0]
3571                set repo_config(gui.$name) $default_config(gui.$name)
3572        }
3573        apply_config
3574
3575        foreach option $font_descs {
3576                set name [lindex $option 0]
3577                set font [lindex $option 1]
3578                set global_config_new(gui.$font^^family) \
3579                        [font configure $font -family]
3580                set global_config_new(gui.$font^^size) \
3581                        [font configure $font -size]
3582        }
3583}
3584
3585proc do_save_config {w} {
3586        if {[catch {save_config} err]} {
3587                error_popup "Failed to completely save options:\n\n$err"
3588        }
3589        reshow_diff
3590        destroy $w
3591}
3592
3593proc do_windows_shortcut {} {
3594        global argv0
3595
3596        if {[catch {
3597                set desktop [exec cygpath \
3598                        --windows \
3599                        --absolute \
3600                        --long-name \
3601                        --desktop]
3602                }]} {
3603                        set desktop .
3604        }
3605        set fn [tk_getSaveFile \
3606                -parent . \
3607                -title "[appname] ([reponame]): Create Desktop Icon" \
3608                -initialdir $desktop \
3609                -initialfile "Git [reponame].bat"]
3610        if {$fn != {}} {
3611                if {[catch {
3612                                set fd [open $fn w]
3613                                set sh [exec cygpath \
3614                                        --windows \
3615                                        --absolute \
3616                                        /bin/sh]
3617                                set me [exec cygpath \
3618                                        --unix \
3619                                        --absolute \
3620                                        $argv0]
3621                                set gd [exec cygpath \
3622                                        --unix \
3623                                        --absolute \
3624                                        [gitdir]]
3625                                set gw [exec cygpath \
3626                                        --windows \
3627                                        --absolute \
3628                                        [file dirname [gitdir]]]
3629                                regsub -all ' $me "'\\''" me
3630                                regsub -all ' $gd "'\\''" gd
3631                                puts $fd "@ECHO Entering $gw"
3632                                puts $fd "@ECHO Starting git-gui... please wait..."
3633                                puts -nonewline $fd "@\"$sh\" --login -c \""
3634                                puts -nonewline $fd "GIT_DIR='$gd'"
3635                                puts -nonewline $fd " '$me'"
3636                                puts $fd "&\""
3637                                close $fd
3638                        } err]} {
3639                        error_popup "Cannot write script:\n\n$err"
3640                }
3641        }
3642}
3643
3644proc do_macosx_app {} {
3645        global argv0 env
3646
3647        set fn [tk_getSaveFile \
3648                -parent . \
3649                -title "[appname] ([reponame]): Create Desktop Icon" \
3650                -initialdir [file join $env(HOME) Desktop] \
3651                -initialfile "Git [reponame].app"]
3652        if {$fn != {}} {
3653                if {[catch {
3654                                set Contents [file join $fn Contents]
3655                                set MacOS [file join $Contents MacOS]
3656                                set exe [file join $MacOS git-gui]
3657
3658                                file mkdir $MacOS
3659
3660                                set fd [open [file join $Contents Info.plist] w]
3661                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
3662<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3663<plist version="1.0">
3664<dict>
3665        <key>CFBundleDevelopmentRegion</key>
3666        <string>English</string>
3667        <key>CFBundleExecutable</key>
3668        <string>git-gui</string>
3669        <key>CFBundleIdentifier</key>
3670        <string>org.spearce.git-gui</string>
3671        <key>CFBundleInfoDictionaryVersion</key>
3672        <string>6.0</string>
3673        <key>CFBundlePackageType</key>
3674        <string>APPL</string>
3675        <key>CFBundleSignature</key>
3676        <string>????</string>
3677        <key>CFBundleVersion</key>
3678        <string>1.0</string>
3679        <key>NSPrincipalClass</key>
3680        <string>NSApplication</string>
3681</dict>
3682</plist>}
3683                                close $fd
3684
3685                                set fd [open $exe w]
3686                                set gd [file normalize [gitdir]]
3687                                set ep [file normalize [exec git --exec-path]]
3688                                regsub -all ' $gd "'\\''" gd
3689                                regsub -all ' $ep "'\\''" ep
3690                                puts $fd "#!/bin/sh"
3691                                foreach name [array names env] {
3692                                        if {[string match GIT_* $name]} {
3693                                                regsub -all ' $env($name) "'\\''" v
3694                                                puts $fd "export $name='$v'"
3695                                        }
3696                                }
3697                                puts $fd "export PATH='$ep':\$PATH"
3698                                puts $fd "export GIT_DIR='$gd'"
3699                                puts $fd "exec [file normalize $argv0]"
3700                                close $fd
3701
3702                                file attributes $exe -permissions u+x,g+x,o+x
3703                        } err]} {
3704                        error_popup "Cannot write icon:\n\n$err"
3705                }
3706        }
3707}
3708
3709proc toggle_or_diff {w x y} {
3710        global file_states file_lists current_diff_path ui_index ui_workdir
3711        global last_clicked selected_paths
3712
3713        set pos [split [$w index @$x,$y] .]
3714        set lno [lindex $pos 0]
3715        set col [lindex $pos 1]
3716        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3717        if {$path eq {}} {
3718                set last_clicked {}
3719                return
3720        }
3721
3722        set last_clicked [list $w $lno]
3723        array unset selected_paths
3724        $ui_index tag remove in_sel 0.0 end
3725        $ui_workdir tag remove in_sel 0.0 end
3726
3727        if {$col == 0} {
3728                if {$current_diff_path eq $path} {
3729                        set after {reshow_diff;}
3730                } else {
3731                        set after {}
3732                }
3733                if {$w eq $ui_index} {
3734                        update_indexinfo \
3735                                "Unstaging [short_path $path] from commit" \
3736                                [list $path] \
3737                                [concat $after {set ui_status_value {Ready.}}]
3738                } elseif {$w eq $ui_workdir} {
3739                        update_index \
3740                                "Adding [short_path $path]" \
3741                                [list $path] \
3742                                [concat $after {set ui_status_value {Ready.}}]
3743                }
3744        } else {
3745                show_diff $path $w $lno
3746        }
3747}
3748
3749proc add_one_to_selection {w x y} {
3750        global file_lists last_clicked selected_paths
3751
3752        set lno [lindex [split [$w index @$x,$y] .] 0]
3753        set path [lindex $file_lists($w) [expr {$lno - 1}]]
3754        if {$path eq {}} {
3755                set last_clicked {}
3756                return
3757        }
3758
3759        if {$last_clicked ne {}
3760                && [lindex $last_clicked 0] ne $w} {
3761                array unset selected_paths
3762                [lindex $last_clicked 0] tag remove in_sel 0.0 end
3763        }
3764
3765        set last_clicked [list $w $lno]
3766        if {[catch {set in_sel $selected_paths($path)}]} {
3767                set in_sel 0
3768        }
3769        if {$in_sel} {
3770                unset selected_paths($path)
3771                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3772        } else {
3773                set selected_paths($path) 1
3774                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3775        }
3776}
3777
3778proc add_range_to_selection {w x y} {
3779        global file_lists last_clicked selected_paths
3780
3781        if {[lindex $last_clicked 0] ne $w} {
3782                toggle_or_diff $w $x $y
3783                return
3784        }
3785
3786        set lno [lindex [split [$w index @$x,$y] .] 0]
3787        set lc [lindex $last_clicked 1]
3788        if {$lc < $lno} {
3789                set begin $lc
3790                set end $lno
3791        } else {
3792                set begin $lno
3793                set end $lc
3794        }
3795
3796        foreach path [lrange $file_lists($w) \
3797                [expr {$begin - 1}] \
3798                [expr {$end - 1}]] {
3799                set selected_paths($path) 1
3800        }
3801        $w tag add in_sel $begin.0 [expr {$end + 1}].0
3802}
3803
3804######################################################################
3805##
3806## config defaults
3807
3808set cursor_ptr arrow
3809font create font_diff -family Courier -size 10
3810font create font_ui
3811catch {
3812        label .dummy
3813        eval font configure font_ui [font actual [.dummy cget -font]]
3814        destroy .dummy
3815}
3816
3817font create font_uibold
3818font create font_diffbold
3819
3820if {[is_Windows]} {
3821        set M1B Control
3822        set M1T Ctrl
3823} elseif {[is_MacOSX]} {
3824        set M1B M1
3825        set M1T Cmd
3826} else {
3827        set M1B M1
3828        set M1T M1
3829}
3830
3831proc apply_config {} {
3832        global repo_config font_descs
3833
3834        foreach option $font_descs {
3835                set name [lindex $option 0]
3836                set font [lindex $option 1]
3837                if {[catch {
3838                        foreach {cn cv} $repo_config(gui.$name) {
3839                                font configure $font $cn $cv
3840                        }
3841                        } err]} {
3842                        error_popup "Invalid font specified in gui.$name:\n\n$err"
3843                }
3844                foreach {cn cv} [font configure $font] {
3845                        font configure ${font}bold $cn $cv
3846                }
3847                font configure ${font}bold -weight bold
3848        }
3849}
3850
3851set default_config(gui.trustmtime) false
3852set default_config(gui.pullsummary) true
3853set default_config(gui.diffcontext) 5
3854set default_config(gui.newbranchtemplate) {}
3855set default_config(gui.fontui) [font configure font_ui]
3856set default_config(gui.fontdiff) [font configure font_diff]
3857set font_descs {
3858        {fontui   font_ui   {Main Font}}
3859        {fontdiff font_diff {Diff/Console Font}}
3860}
3861load_config 0
3862apply_config
3863
3864######################################################################
3865##
3866## ui construction
3867
3868# -- Menu Bar
3869#
3870menu .mbar -tearoff 0
3871.mbar add cascade -label Repository -menu .mbar.repository
3872.mbar add cascade -label Edit -menu .mbar.edit
3873if {!$single_commit} {
3874        .mbar add cascade -label Branch -menu .mbar.branch
3875}
3876.mbar add cascade -label Commit -menu .mbar.commit
3877if {!$single_commit} {
3878        .mbar add cascade -label Fetch -menu .mbar.fetch
3879        .mbar add cascade -label Push -menu .mbar.push
3880}
3881. configure -menu .mbar
3882
3883# -- Repository Menu
3884#
3885menu .mbar.repository
3886.mbar.repository add command \
3887        -label {Visualize Current Branch} \
3888        -command {do_gitk {}} \
3889        -font font_ui
3890.mbar.repository add command \
3891        -label {Visualize All Branches} \
3892        -command {do_gitk {--all}} \
3893        -font font_ui
3894.mbar.repository add separator
3895
3896if {!$single_commit} {
3897        .mbar.repository add command -label {Database Statistics} \
3898                -command do_stats \
3899                -font font_ui
3900
3901        .mbar.repository add command -label {Compress Database} \
3902                -command do_gc \
3903                -font font_ui
3904
3905        .mbar.repository add command -label {Verify Database} \
3906                -command do_fsck_objects \
3907                -font font_ui
3908
3909        .mbar.repository add separator
3910
3911        if {[is_Windows]} {
3912                .mbar.repository add command \
3913                        -label {Create Desktop Icon} \
3914                        -command do_windows_shortcut \
3915                        -font font_ui
3916        } elseif {[is_MacOSX]} {
3917                .mbar.repository add command \
3918                        -label {Create Desktop Icon} \
3919                        -command do_macosx_app \
3920                        -font font_ui
3921        }
3922}
3923
3924.mbar.repository add command -label Quit \
3925        -command do_quit \
3926        -accelerator $M1T-Q \
3927        -font font_ui
3928
3929# -- Edit Menu
3930#
3931menu .mbar.edit
3932.mbar.edit add command -label Undo \
3933        -command {catch {[focus] edit undo}} \
3934        -accelerator $M1T-Z \
3935        -font font_ui
3936.mbar.edit add command -label Redo \
3937        -command {catch {[focus] edit redo}} \
3938        -accelerator $M1T-Y \
3939        -font font_ui
3940.mbar.edit add separator
3941.mbar.edit add command -label Cut \
3942        -command {catch {tk_textCut [focus]}} \
3943        -accelerator $M1T-X \
3944        -font font_ui
3945.mbar.edit add command -label Copy \
3946        -command {catch {tk_textCopy [focus]}} \
3947        -accelerator $M1T-C \
3948        -font font_ui
3949.mbar.edit add command -label Paste \
3950        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3951        -accelerator $M1T-V \
3952        -font font_ui
3953.mbar.edit add command -label Delete \
3954        -command {catch {[focus] delete sel.first sel.last}} \
3955        -accelerator Del \
3956        -font font_ui
3957.mbar.edit add separator
3958.mbar.edit add command -label {Select All} \
3959        -command {catch {[focus] tag add sel 0.0 end}} \
3960        -accelerator $M1T-A \
3961        -font font_ui
3962
3963# -- Branch Menu
3964#
3965if {!$single_commit} {
3966        menu .mbar.branch
3967
3968        .mbar.branch add command -label {Create...} \
3969                -command do_create_branch \
3970                -accelerator $M1T-N \
3971                -font font_ui
3972        lappend disable_on_lock [list .mbar.branch entryconf \
3973                [.mbar.branch index last] -state]
3974
3975        .mbar.branch add command -label {Delete...} \
3976                -command do_delete_branch \
3977                -font font_ui
3978        lappend disable_on_lock [list .mbar.branch entryconf \
3979                [.mbar.branch index last] -state]
3980}
3981
3982# -- Commit Menu
3983#
3984menu .mbar.commit
3985
3986.mbar.commit add radiobutton \
3987        -label {New Commit} \
3988        -command do_select_commit_type \
3989        -variable selected_commit_type \
3990        -value new \
3991        -font font_ui
3992lappend disable_on_lock \
3993        [list .mbar.commit entryconf [.mbar.commit index last] -state]
3994
3995.mbar.commit add radiobutton \
3996        -label {Amend Last Commit} \
3997        -command do_select_commit_type \
3998        -variable selected_commit_type \
3999        -value amend \
4000        -font font_ui
4001lappend disable_on_lock \
4002        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4003
4004.mbar.commit add separator
4005
4006.mbar.commit add command -label Rescan \
4007        -command do_rescan \
4008        -accelerator F5 \
4009        -font font_ui
4010lappend disable_on_lock \
4011        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4012
4013.mbar.commit add command -label {Add To Commit} \
4014        -command do_add_selection \
4015        -font font_ui
4016lappend disable_on_lock \
4017        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4018
4019.mbar.commit add command -label {Add All To Commit} \
4020        -command do_add_all \
4021        -accelerator $M1T-I \
4022        -font font_ui
4023lappend disable_on_lock \
4024        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4025
4026.mbar.commit add command -label {Unstage From Commit} \
4027        -command do_unstage_selection \
4028        -font font_ui
4029lappend disable_on_lock \
4030        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4031
4032.mbar.commit add command -label {Revert Changes} \
4033        -command do_revert_selection \
4034        -font font_ui
4035lappend disable_on_lock \
4036        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4037
4038.mbar.commit add separator
4039
4040.mbar.commit add command -label {Sign Off} \
4041        -command do_signoff \
4042        -accelerator $M1T-S \
4043        -font font_ui
4044
4045.mbar.commit add command -label Commit \
4046        -command do_commit \
4047        -accelerator $M1T-Return \
4048        -font font_ui
4049lappend disable_on_lock \
4050        [list .mbar.commit entryconf [.mbar.commit index last] -state]
4051
4052# -- Transport menus
4053#
4054if {!$single_commit} {
4055        menu .mbar.fetch
4056        menu .mbar.push
4057
4058        .mbar.push add command -label {Push...} \
4059                -command do_push_anywhere \
4060                -font font_ui
4061}
4062
4063if {[is_MacOSX]} {
4064        # -- Apple Menu (Mac OS X only)
4065        #
4066        .mbar add cascade -label Apple -menu .mbar.apple
4067        menu .mbar.apple
4068
4069        .mbar.apple add command -label "About [appname]" \
4070                -command do_about \
4071                -font font_ui
4072        .mbar.apple add command -label "[appname] Options..." \
4073                -command do_options \
4074                -font font_ui
4075} else {
4076        # -- Edit Menu
4077        #
4078        .mbar.edit add separator
4079        .mbar.edit add command -label {Options...} \
4080                -command do_options \
4081                -font font_ui
4082
4083        # -- Tools Menu
4084        #
4085        if {[file exists /usr/local/miga/lib/gui-miga]
4086                && [file exists .pvcsrc]} {
4087        proc do_miga {} {
4088                global ui_status_value
4089                if {![lock_index update]} return
4090                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
4091                set miga_fd [open "|$cmd" r]
4092                fconfigure $miga_fd -blocking 0
4093                fileevent $miga_fd readable [list miga_done $miga_fd]
4094                set ui_status_value {Running miga...}
4095        }
4096        proc miga_done {fd} {
4097                read $fd 512
4098                if {[eof $fd]} {
4099                        close $fd
4100                        unlock_index
4101                        rescan [list set ui_status_value {Ready.}]
4102                }
4103        }
4104        .mbar add cascade -label Tools -menu .mbar.tools
4105        menu .mbar.tools
4106        .mbar.tools add command -label "Migrate" \
4107                -command do_miga \
4108                -font font_ui
4109        lappend disable_on_lock \
4110                [list .mbar.tools entryconf [.mbar.tools index last] -state]
4111        }
4112
4113        # -- Help Menu
4114        #
4115        .mbar add cascade -label Help -menu .mbar.help
4116        menu .mbar.help
4117
4118        .mbar.help add command -label "About [appname]" \
4119                -command do_about \
4120                -font font_ui
4121}
4122
4123
4124# -- Branch Control
4125#
4126frame .branch \
4127        -borderwidth 1 \
4128        -relief sunken
4129label .branch.l1 \
4130        -text {Current Branch:} \
4131        -anchor w \
4132        -justify left \
4133        -font font_ui
4134label .branch.cb \
4135        -textvariable current_branch \
4136        -anchor w \
4137        -justify left \
4138        -font font_ui
4139pack .branch.l1 -side left
4140pack .branch.cb -side left -fill x
4141pack .branch -side top -fill x
4142
4143# -- Main Window Layout
4144#
4145panedwindow .vpane -orient vertical
4146panedwindow .vpane.files -orient horizontal
4147.vpane add .vpane.files -sticky nsew -height 100 -width 200
4148pack .vpane -anchor n -side top -fill both -expand 1
4149
4150# -- Index File List
4151#
4152frame .vpane.files.index -height 100 -width 200
4153label .vpane.files.index.title -text {Changes To Be Committed} \
4154        -background green \
4155        -font font_ui
4156text $ui_index -background white -borderwidth 0 \
4157        -width 20 -height 10 \
4158        -wrap none \
4159        -font font_ui \
4160        -cursor $cursor_ptr \
4161        -xscrollcommand {.vpane.files.index.sx set} \
4162        -yscrollcommand {.vpane.files.index.sy set} \
4163        -state disabled
4164scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
4165scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
4166pack .vpane.files.index.title -side top -fill x
4167pack .vpane.files.index.sx -side bottom -fill x
4168pack .vpane.files.index.sy -side right -fill y
4169pack $ui_index -side left -fill both -expand 1
4170.vpane.files add .vpane.files.index -sticky nsew
4171
4172# -- Working Directory File List
4173#
4174frame .vpane.files.workdir -height 100 -width 200
4175label .vpane.files.workdir.title -text {Changed But Not Updated} \
4176        -background red \
4177        -font font_ui
4178text $ui_workdir -background white -borderwidth 0 \
4179        -width 20 -height 10 \
4180        -wrap none \
4181        -font font_ui \
4182        -cursor $cursor_ptr \
4183        -xscrollcommand {.vpane.files.workdir.sx set} \
4184        -yscrollcommand {.vpane.files.workdir.sy set} \
4185        -state disabled
4186scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
4187scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
4188pack .vpane.files.workdir.title -side top -fill x
4189pack .vpane.files.workdir.sx -side bottom -fill x
4190pack .vpane.files.workdir.sy -side right -fill y
4191pack $ui_workdir -side left -fill both -expand 1
4192.vpane.files add .vpane.files.workdir -sticky nsew
4193
4194foreach i [list $ui_index $ui_workdir] {
4195        $i tag conf in_diff -font font_uibold
4196        $i tag conf in_sel \
4197                -background [$i cget -foreground] \
4198                -foreground [$i cget -background]
4199}
4200unset i
4201
4202# -- Diff and Commit Area
4203#
4204frame .vpane.lower -height 300 -width 400
4205frame .vpane.lower.commarea
4206frame .vpane.lower.diff -relief sunken -borderwidth 1
4207pack .vpane.lower.commarea -side top -fill x
4208pack .vpane.lower.diff -side bottom -fill both -expand 1
4209.vpane add .vpane.lower -sticky nsew
4210
4211# -- Commit Area Buttons
4212#
4213frame .vpane.lower.commarea.buttons
4214label .vpane.lower.commarea.buttons.l -text {} \
4215        -anchor w \
4216        -justify left \
4217        -font font_ui
4218pack .vpane.lower.commarea.buttons.l -side top -fill x
4219pack .vpane.lower.commarea.buttons -side left -fill y
4220
4221button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
4222        -command do_rescan \
4223        -font font_ui
4224pack .vpane.lower.commarea.buttons.rescan -side top -fill x
4225lappend disable_on_lock \
4226        {.vpane.lower.commarea.buttons.rescan conf -state}
4227
4228button .vpane.lower.commarea.buttons.incall -text {Add All} \
4229        -command do_add_all \
4230        -font font_ui
4231pack .vpane.lower.commarea.buttons.incall -side top -fill x
4232lappend disable_on_lock \
4233        {.vpane.lower.commarea.buttons.incall conf -state}
4234
4235button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
4236        -command do_signoff \
4237        -font font_ui
4238pack .vpane.lower.commarea.buttons.signoff -side top -fill x
4239
4240button .vpane.lower.commarea.buttons.commit -text {Commit} \
4241        -command do_commit \
4242        -font font_ui
4243pack .vpane.lower.commarea.buttons.commit -side top -fill x
4244lappend disable_on_lock \
4245        {.vpane.lower.commarea.buttons.commit conf -state}
4246
4247# -- Commit Message Buffer
4248#
4249frame .vpane.lower.commarea.buffer
4250frame .vpane.lower.commarea.buffer.header
4251set ui_comm .vpane.lower.commarea.buffer.t
4252set ui_coml .vpane.lower.commarea.buffer.header.l
4253radiobutton .vpane.lower.commarea.buffer.header.new \
4254        -text {New Commit} \
4255        -command do_select_commit_type \
4256        -variable selected_commit_type \
4257        -value new \
4258        -font font_ui
4259lappend disable_on_lock \
4260        [list .vpane.lower.commarea.buffer.header.new conf -state]
4261radiobutton .vpane.lower.commarea.buffer.header.amend \
4262        -text {Amend Last Commit} \
4263        -command do_select_commit_type \
4264        -variable selected_commit_type \
4265        -value amend \
4266        -font font_ui
4267lappend disable_on_lock \
4268        [list .vpane.lower.commarea.buffer.header.amend conf -state]
4269label $ui_coml \
4270        -anchor w \
4271        -justify left \
4272        -font font_ui
4273proc trace_commit_type {varname args} {
4274        global ui_coml commit_type
4275        switch -glob -- $commit_type {
4276        initial       {set txt {Initial Commit Message:}}
4277        amend         {set txt {Amended Commit Message:}}
4278        amend-initial {set txt {Amended Initial Commit Message:}}
4279        amend-merge   {set txt {Amended Merge Commit Message:}}
4280        merge         {set txt {Merge Commit Message:}}
4281        *             {set txt {Commit Message:}}
4282        }
4283        $ui_coml conf -text $txt
4284}
4285trace add variable commit_type write trace_commit_type
4286pack $ui_coml -side left -fill x
4287pack .vpane.lower.commarea.buffer.header.amend -side right
4288pack .vpane.lower.commarea.buffer.header.new -side right
4289
4290text $ui_comm -background white -borderwidth 1 \
4291        -undo true \
4292        -maxundo 20 \
4293        -autoseparators true \
4294        -relief sunken \
4295        -width 75 -height 9 -wrap none \
4296        -font font_diff \
4297        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
4298scrollbar .vpane.lower.commarea.buffer.sby \
4299        -command [list $ui_comm yview]
4300pack .vpane.lower.commarea.buffer.header -side top -fill x
4301pack .vpane.lower.commarea.buffer.sby -side right -fill y
4302pack $ui_comm -side left -fill y
4303pack .vpane.lower.commarea.buffer -side left -fill y
4304
4305# -- Commit Message Buffer Context Menu
4306#
4307set ctxm .vpane.lower.commarea.buffer.ctxm
4308menu $ctxm -tearoff 0
4309$ctxm add command \
4310        -label {Cut} \
4311        -font font_ui \
4312        -command {tk_textCut $ui_comm}
4313$ctxm add command \
4314        -label {Copy} \
4315        -font font_ui \
4316        -command {tk_textCopy $ui_comm}
4317$ctxm add command \
4318        -label {Paste} \
4319        -font font_ui \
4320        -command {tk_textPaste $ui_comm}
4321$ctxm add command \
4322        -label {Delete} \
4323        -font font_ui \
4324        -command {$ui_comm delete sel.first sel.last}
4325$ctxm add separator
4326$ctxm add command \
4327        -label {Select All} \
4328        -font font_ui \
4329        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
4330$ctxm add command \
4331        -label {Copy All} \
4332        -font font_ui \
4333        -command {
4334                $ui_comm tag add sel 0.0 end
4335                tk_textCopy $ui_comm
4336                $ui_comm tag remove sel 0.0 end
4337        }
4338$ctxm add separator
4339$ctxm add command \
4340        -label {Sign Off} \
4341        -font font_ui \
4342        -command do_signoff
4343bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
4344
4345# -- Diff Header
4346#
4347set current_diff_path {}
4348set current_diff_side {}
4349set diff_actions [list]
4350proc trace_current_diff_path {varname args} {
4351        global current_diff_path diff_actions file_states
4352        if {$current_diff_path eq {}} {
4353                set s {}
4354                set f {}
4355                set p {}
4356                set o disabled
4357        } else {
4358                set p $current_diff_path
4359                set s [mapdesc [lindex $file_states($p) 0] $p]
4360                set f {File:}
4361                set p [escape_path $p]
4362                set o normal
4363        }
4364
4365        .vpane.lower.diff.header.status configure -text $s
4366        .vpane.lower.diff.header.file configure -text $f
4367        .vpane.lower.diff.header.path configure -text $p
4368        foreach w $diff_actions {
4369                uplevel #0 $w $o
4370        }
4371}
4372trace add variable current_diff_path write trace_current_diff_path
4373
4374frame .vpane.lower.diff.header -background orange
4375label .vpane.lower.diff.header.status \
4376        -background orange \
4377        -width $max_status_desc \
4378        -anchor w \
4379        -justify left \
4380        -font font_ui
4381label .vpane.lower.diff.header.file \
4382        -background orange \
4383        -anchor w \
4384        -justify left \
4385        -font font_ui
4386label .vpane.lower.diff.header.path \
4387        -background orange \
4388        -anchor w \
4389        -justify left \
4390        -font font_ui
4391pack .vpane.lower.diff.header.status -side left
4392pack .vpane.lower.diff.header.file -side left
4393pack .vpane.lower.diff.header.path -fill x
4394set ctxm .vpane.lower.diff.header.ctxm
4395menu $ctxm -tearoff 0
4396$ctxm add command \
4397        -label {Copy} \
4398        -font font_ui \
4399        -command {
4400                clipboard clear
4401                clipboard append \
4402                        -format STRING \
4403                        -type STRING \
4404                        -- $current_diff_path
4405        }
4406lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4407bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
4408
4409# -- Diff Body
4410#
4411frame .vpane.lower.diff.body
4412set ui_diff .vpane.lower.diff.body.t
4413text $ui_diff -background white -borderwidth 0 \
4414        -width 80 -height 15 -wrap none \
4415        -font font_diff \
4416        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
4417        -yscrollcommand {.vpane.lower.diff.body.sby set} \
4418        -state disabled
4419scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
4420        -command [list $ui_diff xview]
4421scrollbar .vpane.lower.diff.body.sby -orient vertical \
4422        -command [list $ui_diff yview]
4423pack .vpane.lower.diff.body.sbx -side bottom -fill x
4424pack .vpane.lower.diff.body.sby -side right -fill y
4425pack $ui_diff -side left -fill both -expand 1
4426pack .vpane.lower.diff.header -side top -fill x
4427pack .vpane.lower.diff.body -side bottom -fill both -expand 1
4428
4429$ui_diff tag conf d_cr -elide true
4430$ui_diff tag conf d_@ -foreground blue -font font_diffbold
4431$ui_diff tag conf d_+ -foreground {#00a000}
4432$ui_diff tag conf d_- -foreground red
4433
4434$ui_diff tag conf d_++ -foreground {#00a000}
4435$ui_diff tag conf d_-- -foreground red
4436$ui_diff tag conf d_+s \
4437        -foreground {#00a000} \
4438        -background {#e2effa}
4439$ui_diff tag conf d_-s \
4440        -foreground red \
4441        -background {#e2effa}
4442$ui_diff tag conf d_s+ \
4443        -foreground {#00a000} \
4444        -background ivory1
4445$ui_diff tag conf d_s- \
4446        -foreground red \
4447        -background ivory1
4448
4449$ui_diff tag conf d<<<<<<< \
4450        -foreground orange \
4451        -font font_diffbold
4452$ui_diff tag conf d======= \
4453        -foreground orange \
4454        -font font_diffbold
4455$ui_diff tag conf d>>>>>>> \
4456        -foreground orange \
4457        -font font_diffbold
4458
4459$ui_diff tag raise sel
4460
4461# -- Diff Body Context Menu
4462#
4463set ctxm .vpane.lower.diff.body.ctxm
4464menu $ctxm -tearoff 0
4465$ctxm add command \
4466        -label {Refresh} \
4467        -font font_ui \
4468        -command reshow_diff
4469lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4470$ctxm add command \
4471        -label {Copy} \
4472        -font font_ui \
4473        -command {tk_textCopy $ui_diff}
4474lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4475$ctxm add command \
4476        -label {Select All} \
4477        -font font_ui \
4478        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
4479lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4480$ctxm add command \
4481        -label {Copy All} \
4482        -font font_ui \
4483        -command {
4484                $ui_diff tag add sel 0.0 end
4485                tk_textCopy $ui_diff
4486                $ui_diff tag remove sel 0.0 end
4487        }
4488lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4489$ctxm add separator
4490$ctxm add command \
4491        -label {Apply/Reverse Hunk} \
4492        -font font_ui \
4493        -command {apply_hunk $cursorX $cursorY}
4494set ui_diff_applyhunk [$ctxm index last]
4495lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
4496$ctxm add separator
4497$ctxm add command \
4498        -label {Decrease Font Size} \
4499        -font font_ui \
4500        -command {incr_font_size font_diff -1}
4501lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4502$ctxm add command \
4503        -label {Increase Font Size} \
4504        -font font_ui \
4505        -command {incr_font_size font_diff 1}
4506lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4507$ctxm add separator
4508$ctxm add command \
4509        -label {Show Less Context} \
4510        -font font_ui \
4511        -command {if {$repo_config(gui.diffcontext) >= 2} {
4512                incr repo_config(gui.diffcontext) -1
4513                reshow_diff
4514        }}
4515lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4516$ctxm add command \
4517        -label {Show More Context} \
4518        -font font_ui \
4519        -command {
4520                incr repo_config(gui.diffcontext)
4521                reshow_diff
4522        }
4523lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
4524$ctxm add separator
4525$ctxm add command -label {Options...} \
4526        -font font_ui \
4527        -command do_options
4528bind_button3 $ui_diff "
4529        set cursorX %x
4530        set cursorY %y
4531        if {\$ui_index eq \$current_diff_side} {
4532                $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
4533        } else {
4534                $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
4535        }
4536        tk_popup $ctxm %X %Y
4537"
4538unset ui_diff_applyhunk
4539
4540# -- Status Bar
4541#
4542set ui_status_value {Initializing...}
4543label .status -textvariable ui_status_value \
4544        -anchor w \
4545        -justify left \
4546        -borderwidth 1 \
4547        -relief sunken \
4548        -font font_ui
4549pack .status -anchor w -side bottom -fill x
4550
4551# -- Load geometry
4552#
4553catch {
4554set gm $repo_config(gui.geometry)
4555wm geometry . [lindex $gm 0]
4556.vpane sash place 0 \
4557        [lindex [.vpane sash coord 0] 0] \
4558        [lindex $gm 1]
4559.vpane.files sash place 0 \
4560        [lindex $gm 2] \
4561        [lindex [.vpane.files sash coord 0] 1]
4562unset gm
4563}
4564
4565# -- Key Bindings
4566#
4567bind $ui_comm <$M1B-Key-Return> {do_commit;break}
4568bind $ui_comm <$M1B-Key-i> {do_add_all;break}
4569bind $ui_comm <$M1B-Key-I> {do_add_all;break}
4570bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
4571bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
4572bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
4573bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
4574bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
4575bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
4576bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4577bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4578
4579bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
4580bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
4581bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
4582bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
4583bind $ui_diff <$M1B-Key-v> {break}
4584bind $ui_diff <$M1B-Key-V> {break}
4585bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
4586bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
4587bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
4588bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
4589bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
4590bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
4591bind $ui_diff <Button-1>   {focus %W}
4592
4593if {!$single_commit} {
4594        bind . <$M1B-Key-n> do_create_branch
4595        bind . <$M1B-Key-N> do_create_branch
4596}
4597
4598bind .   <Destroy> do_quit
4599bind all <Key-F5> do_rescan
4600bind all <$M1B-Key-r> do_rescan
4601bind all <$M1B-Key-R> do_rescan
4602bind .   <$M1B-Key-s> do_signoff
4603bind .   <$M1B-Key-S> do_signoff
4604bind .   <$M1B-Key-i> do_add_all
4605bind .   <$M1B-Key-I> do_add_all
4606bind .   <$M1B-Key-Return> do_commit
4607bind all <$M1B-Key-q> do_quit
4608bind all <$M1B-Key-Q> do_quit
4609bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
4610bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
4611foreach i [list $ui_index $ui_workdir] {
4612        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
4613        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
4614        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
4615}
4616unset i
4617
4618set file_lists($ui_index) [list]
4619set file_lists($ui_workdir) [list]
4620
4621set HEAD {}
4622set PARENT {}
4623set MERGE_HEAD [list]
4624set commit_type {}
4625set empty_tree {}
4626set current_branch {}
4627set current_diff_path {}
4628set selected_commit_type new
4629
4630wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
4631focus -force $ui_comm
4632
4633# -- Warn the user about environmental problems.  Cygwin's Tcl
4634#    does *not* pass its env array onto any processes it spawns.
4635#    This means that git processes get none of our environment.
4636#
4637if {[is_Windows]} {
4638        set ignored_env 0
4639        set suggest_user {}
4640        set msg "Possible environment issues exist.
4641
4642The following environment variables are probably
4643going to be ignored by any Git subprocess run
4644by [appname]:
4645
4646"
4647        foreach name [array names env] {
4648                switch -regexp -- $name {
4649                {^GIT_INDEX_FILE$} -
4650                {^GIT_OBJECT_DIRECTORY$} -
4651                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
4652                {^GIT_DIFF_OPTS$} -
4653                {^GIT_EXTERNAL_DIFF$} -
4654                {^GIT_PAGER$} -
4655                {^GIT_TRACE$} -
4656                {^GIT_CONFIG$} -
4657                {^GIT_CONFIG_LOCAL$} -
4658                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
4659                        append msg " - $name\n"
4660                        incr ignored_env
4661                }
4662                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
4663                        append msg " - $name\n"
4664                        incr ignored_env
4665                        set suggest_user $name
4666                }
4667                }
4668        }
4669        if {$ignored_env > 0} {
4670                append msg "
4671This is due to a known issue with the
4672Tcl binary distributed by Cygwin."
4673
4674                if {$suggest_user ne {}} {
4675                        append msg "
4676
4677A good replacement for $suggest_user
4678is placing values for the user.name and
4679user.email settings into your personal
4680~/.gitconfig file.
4681"
4682                }
4683                warn_popup $msg
4684        }
4685        unset ignored_env msg suggest_user name
4686}
4687
4688# -- Only initialize complex UI if we are going to stay running.
4689#
4690if {!$single_commit} {
4691        load_all_remotes
4692        load_all_heads
4693
4694        populate_branch_menu
4695        populate_fetch_menu
4696        populate_push_menu
4697}
4698
4699# -- Only suggest a gc run if we are going to stay running.
4700#
4701if {!$single_commit} {
4702        set object_limit 2000
4703        if {[is_Windows]} {set object_limit 200}
4704        regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
4705        if {$objects_current >= $object_limit} {
4706                if {[ask_popup \
4707                        "This repository currently has $objects_current loose objects.
4708
4709To maintain optimal performance it is strongly
4710recommended that you compress the database
4711when more than $object_limit loose objects exist.
4712
4713Compress the database now?"] eq yes} {
4714                        do_gc
4715                }
4716        }
4717        unset object_limit _junk objects_current
4718}
4719
4720lock_index begin-read
4721after 1 do_rescan