git-gui.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3 exec wish "$0" -- "$@"
   4
   5 set appvers {@@GIT_VERSION@@}
   6 set copyright {
   7 Copyright © 2006, 2007 Shawn Pearce, Paul Mackerras.
   8
   9 This program is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2 of the License, or
  12 (at your option) any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with this program; if not, write to the Free Software
  21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23 ######################################################################
  24 ##
  25 ## read only globals
  26
  27 set _appname [lindex [file split $argv0] end]
  28 set _gitdir {}
  29 set _reponame {}
  30
  31 proc appname {} {
  32         global _appname
  33         return $_appname
  34 }
  35
  36 proc gitdir {args} {
  37         global _gitdir
  38         if {$args eq {}} {
  39                 return $_gitdir
  40         }
  41         return [eval [concat [list file join $_gitdir] $args]]
  42 }
  43
  44 proc reponame {} {
  45         global _reponame
  46         return $_reponame
  47 }
  48
  49 ######################################################################
  50 ##
  51 ## config
  52
  53 proc is_many_config {name} {
  54         switch -glob -- $name {
  55         remote.*.fetch -
  56         remote.*.push
  57                 {return 1}
  58         *
  59                 {return 0}
  60         }
  61 }
  62
  63 proc load_config {include_global} {
  64         global repo_config global_config default_config
  65
  66         array unset global_config
  67         if {$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
 108 proc 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) $value
 154                 }
 155         }
 156 }
 157
 158 proc error_popup {msg} {
 159         set title [appname]
 160         if {[reponame] ne {}} {
 161                 append title " ([reponame])"
 162         }
 163         set cmd [list tk_messageBox \
 164                 -icon error \
 165                 -type ok \
 166                 -title "$title: error" \
 167                 -message $msg]
 168         if {[winfo ismapped .]} {
 169                 lappend cmd -parent .
 170         }
 171         eval $cmd
 172 }
 173
 174 proc warn_popup {msg} {
 175         set title [appname]
 176         if {[reponame] ne {}} {
 177                 append title " ([reponame])"
 178         }
 179         set cmd [list tk_messageBox \
 180                 -icon warning \
 181                 -type ok \
 182                 -title "$title: warning" \
 183                 -message $msg]
 184         if {[winfo ismapped .]} {
 185                 lappend cmd -parent .
 186         }
 187         eval $cmd
 188 }
 189
 190 proc 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
 203 proc 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
 220 if {   [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 }
 226 if {![file isdirectory $_gitdir]} {
 227         catch {wm withdraw .}
 228         error_popup "Git directory not found:\n\n$_gitdir"
 229         exit 1
 230 }
 231 if {[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 }
 236 if {[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 }
 241 set _reponame [lindex [file split \
 242         [file normalize [file dirname $_gitdir]]] \
 243         end]
 244
 245 set single_commit 0
 246 if {[appname] eq {git-citool}} {
 247         set single_commit 1
 248 }
 249
 250 ######################################################################
 251 ##
 252 ## task management
 253
 254 set rescan_active 0
 255 set diff_active 0
 256 set last_clicked {}
 257
 258 set disable_on_lock [list]
 259 set index_lock_type none
 260
 261 proc lock_index {type} {
 262         global index_lock_type disable_on_lock
 263
 264         if {$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
 277 proc 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
 290 proc 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
 325 proc 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 $empty_tree
 336 }
 337
 338 proc rescan {after} {
 339         global HEAD PARENT MERGE_HEAD commit_type
 340         global ui_index ui_workdir ui_status_value ui_comm
 341         global rescan_active file_states
 342         global repo_config
 343
 344         if {$rescan_active > 0 || ![lock_index read]} return
 345
 346         repository_state newType newHEAD newMERGE_HEAD
 347         if {[string match amend* $commit_type]
 348                 && $newType eq {normal}
 349                 && $newHEAD eq $HEAD} {
 350         } else {
 351                 set HEAD $newHEAD
 352                 set PARENT $newHEAD
 353                 set MERGE_HEAD $newMERGE_HEAD
 354                 set commit_type $newType
 355         }
 356
 357         array unset file_states
 358
 359         if {![$ui_comm edit modified]
 360                 || [string trim [$ui_comm get 0.0 end]] eq {}} {
 361                 if {[load_message GITGUI_MSG]} {
 362                 } elseif {[load_message MERGE_MSG]} {
 363                 } elseif {[load_message SQUASH_MSG]} {
 364                 }
 365                 $ui_comm edit reset
 366                 $ui_comm edit modified false
 367         }
 368
 369         if {$repo_config(gui.trustmtime) eq {true}} {
 370                 rescan_stage2 {} $after
 371         } else {
 372                 set rescan_active 1
 373                 set ui_status_value {Refreshing file status...}
 374                 set cmd [list git update-index]
 375                 lappend cmd -q
 376                 lappend cmd --unmerged
 377                 lappend cmd --ignore-missing
 378                 lappend cmd --refresh
 379                 set fd_rf [open "| $cmd" r]
 380                 fconfigure $fd_rf -blocking 0 -translation binary
 381                 fileevent $fd_rf readable \
 382                         [list rescan_stage2 $fd_rf $after]
 383         }
 384 }
 385
 386 proc rescan_stage2 {fd after} {
 387         global ui_status_value
 388         global rescan_active buf_rdi buf_rdf buf_rlo
 389
 390         if {$fd ne {}} {
 391                 read $fd
 392                 if {![eof $fd]} return
 393                 close $fd
 394         }
 395
 396         set ls_others [list | git ls-files --others -z \
 397                 --exclude-per-directory=.gitignore]
 398         set info_exclude [gitdir info exclude]
 399         if {[file readable $info_exclude]} {
 400                 lappend ls_others "--exclude-from=$info_exclude"
 401         }
 402
 403         set buf_rdi {}
 404         set buf_rdf {}
 405         set buf_rlo {}
 406
 407         set rescan_active 3
 408         set ui_status_value {Scanning for modified files ...}
 409         set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 410         set fd_df [open "| git diff-files -z" r]
 411         set fd_lo [open $ls_others r]
 412
 413         fconfigure $fd_di -blocking 0 -translation binary
 414         fconfigure $fd_df -blocking 0 -translation binary
 415         fconfigure $fd_lo -blocking 0 -translation binary
 416         fileevent $fd_di readable [list read_diff_index $fd_di $after]
 417         fileevent $fd_df readable [list read_diff_files $fd_df $after]
 418         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 419 }
 420
 421 proc load_message {file} {
 422         global ui_comm
 423
 424         set f [gitdir $file]
 425         if {[file isfile $f]} {
 426                 if {[catch {set fd [open $f r]}]} {
 427                         return 0
 428                 }
 429                 set content [string trim [read $fd]]
 430                 close $fd
 431                 $ui_comm delete 0.0 end
 432                 $ui_comm insert end $content
 433                 return 1
 434         }
 435         return 0
 436 }
 437
 438 proc read_diff_index {fd after} {
 439         global buf_rdi
 440
 441         append buf_rdi [read $fd]
 442         set c 0
 443         set n [string length $buf_rdi]
 444         while {$c < $n} {
 445                 set z1 [string first "\0" $buf_rdi $c]
 446                 if {$z1 == -1} break
 447                 incr z1
 448                 set z2 [string first "\0" $buf_rdi $z1]
 449                 if {$z2 == -1} break
 450
 451                 incr c
 452                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 453                 merge_state \
 454                         [string range $buf_rdi $z1 [expr {$z2 - 1}]] \
 455                         [lindex $i 4]? \
 456                         [list [lindex $i 0] [lindex $i 2]] \
 457                         [list]
 458                 set c $z2
 459                 incr c
 460         }
 461         if {$c < $n} {
 462                 set buf_rdi [string range $buf_rdi $c end]
 463         } else {
 464                 set buf_rdi {}
 465         }
 466
 467         rescan_done $fd buf_rdi $after
 468 }
 469
 470 proc read_diff_files {fd after} {
 471         global buf_rdf
 472
 473         append buf_rdf [read $fd]
 474         set c 0
 475         set n [string length $buf_rdf]
 476         while {$c < $n} {
 477                 set z1 [string first "\0" $buf_rdf $c]
 478                 if {$z1 == -1} break
 479                 incr z1
 480                 set z2 [string first "\0" $buf_rdf $z1]
 481                 if {$z2 == -1} break
 482
 483                 incr c
 484                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 485                 merge_state \
 486                         [string range $buf_rdf $z1 [expr {$z2 - 1}]] \
 487                         ?[lindex $i 4] \
 488                         [list] \
 489                         [list [lindex $i 0] [lindex $i 2]]
 490                 set c $z2
 491                 incr c
 492         }
 493         if {$c < $n} {
 494                 set buf_rdf [string range $buf_rdf $c end]
 495         } else {
 496                 set buf_rdf {}
 497         }
 498
 499         rescan_done $fd buf_rdf $after
 500 }
 501
 502 proc read_ls_others {fd after} {
 503         global buf_rlo
 504
 505         append buf_rlo [read $fd]
 506         set pck [split $buf_rlo "\0"]
 507         set buf_rlo [lindex $pck end]
 508         foreach p [lrange $pck 0 end-1] {
 509                 merge_state $p ?O
 510         }
 511         rescan_done $fd buf_rlo $after
 512 }
 513
 514 proc rescan_done {fd buf after} {
 515         global rescan_active
 516         global file_states repo_config
 517         upvar $buf to_clear
 518
 519         if {![eof $fd]} return
 520         set to_clear {}
 521         close $fd
 522         if {[incr rescan_active -1] > 0} return
 523
 524         prune_selection
 525         unlock_index
 526         display_all_files
 527
 528         if {$repo_config(gui.partialinclude) ne {true}} {
 529                 set pathList [list]
 530                 foreach path [array names file_states] {
 531                         switch -- [lindex $file_states($path) 0] {
 532                         A? -
 533                         M? {lappend pathList $path}
 534                         }
 535                 }
 536                 if {$pathList ne {}} {
 537                         update_index \
 538                                 "Updating included files" \
 539                                 $pathList \
 540                                 [concat {reshow_diff;} $after]
 541                         return
 542                 }
 543         }
 544
 545         reshow_diff
 546         uplevel #0 $after
 547 }
 548
 549 proc prune_selection {} {
 550         global file_states selected_paths
 551
 552         foreach path [array names selected_paths] {
 553                 if {[catch {set still_here $file_states($path)}]} {
 554                         unset selected_paths($path)
 555                 }
 556         }
 557 }
 558
 559 ######################################################################
 560 ##
 561 ## diff
 562
 563 proc clear_diff {} {
 564         global ui_diff current_diff ui_index ui_workdir
 565
 566         $ui_diff conf -state normal
 567         $ui_diff delete 0.0 end
 568         $ui_diff conf -state disabled
 569
 570         set current_diff {}
 571
 572         $ui_index tag remove in_diff 0.0 end
 573         $ui_workdir tag remove in_diff 0.0 end
 574 }
 575
 576 proc reshow_diff {} {
 577         global current_diff ui_status_value file_states
 578
 579         if {$current_diff eq {}
 580                 || [catch {set s $file_states($current_diff)}]} {
 581                 clear_diff
 582         } else {
 583                 show_diff $current_diff
 584         }
 585 }
 586
 587 proc handle_empty_diff {} {
 588         global current_diff file_states file_lists
 589
 590         set path $current_diff
 591         set s $file_states($path)
 592         if {[lindex $s 0] ne {_M}} return
 593
 594         info_popup "No differences detected.
 595
 596 [short_path $path] has no changes.
 597
 598 The modification date of this file was updated
 599 by another application and you currently have
 600 the Trust File Modification Timestamps option
 601 enabled, so Git did not automatically detect
 602 that there are no content differences in this
 603 file.
 604
 605 This file will now be removed from the modified
 606 files list, to prevent possible confusion.
 607 "
 608         if {[catch {exec git update-index -- $path} err]} {
 609                 error_popup "Failed to refresh index:\n\n$err"
 610         }
 611
 612         clear_diff
 613         display_file $path __
 614 }
 615
 616 proc show_diff {path {w {}} {lno {}}} {
 617         global file_states file_lists
 618         global is_3way_diff diff_active repo_config
 619         global ui_diff current_diff ui_status_value
 620
 621         if {$diff_active || ![lock_index read]} return
 622
 623         clear_diff
 624         if {$w eq {} || $lno == {}} {
 625                 foreach w [array names file_lists] {
 626                         set lno [lsearch -sorted $file_lists($w) $path]
 627                         if {$lno >= 0} {
 628                                 incr lno
 629                                 break
 630                         }
 631                 }
 632         }
 633         if {$w ne {} && $lno >= 1} {
 634                 $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 635         }
 636
 637         set s $file_states($path)
 638         set m [lindex $s 0]
 639         set is_3way_diff 0
 640         set diff_active 1
 641         set current_diff $path
 642         set ui_status_value "Loading diff of [escape_path $path]..."
 643
 644         set cmd [list | git diff-index]
 645         lappend cmd --no-color
 646         if {$repo_config(gui.diffcontext) > 0} {
 647                 lappend cmd "-U$repo_config(gui.diffcontext)"
 648         }
 649         lappend cmd -p
 650
 651         switch $m {
 652         MM {
 653                 lappend cmd -c
 654         }
 655         _O {
 656                 if {[catch {
 657                                 set fd [open $path r]
 658                                 set content [read $fd]
 659                                 close $fd
 660                         } err ]} {
 661                         set diff_active 0
 662                         unlock_index
 663                         set ui_status_value "Unable to display [escape_path $path]"
 664                         error_popup "Error loading file:\n\n$err"
 665                         return
 666                 }
 667                 $ui_diff conf -state normal
 668                 $ui_diff insert end $content
 669                 $ui_diff conf -state disabled
 670                 set diff_active 0
 671                 unlock_index
 672                 set ui_status_value {Ready.}
 673                 return
 674         }
 675         }
 676
 677         lappend cmd [PARENT]
 678         lappend cmd --
 679         lappend cmd $path
 680
 681         if {[catch {set fd [open $cmd r]} err]} {
 682                 set diff_active 0
 683                 unlock_index
 684                 set ui_status_value "Unable to display [escape_path $path]"
 685                 error_popup "Error loading diff:\n\n$err"
 686                 return
 687         }
 688
 689         fconfigure $fd -blocking 0 -translation auto
 690         fileevent $fd readable [list read_diff $fd]
 691 }
 692
 693 proc read_diff {fd} {
 694         global ui_diff ui_status_value is_3way_diff diff_active
 695         global repo_config
 696
 697         $ui_diff conf -state normal
 698         while {[gets $fd line] >= 0} {
 699                 # -- Cleanup uninteresting diff header lines.
 700                 #
 701                 if {[string match {diff --git *}      $line]} continue
 702                 if {[string match {diff --combined *} $line]} continue
 703                 if {[string match {--- *}             $line]} continue
 704                 if {[string match {+++ *}             $line]} continue
 705                 if {$line eq {deleted file mode 120000}} {
 706                         set line "deleted symlink"
 707                 }
 708
 709                 # -- Automatically detect if this is a 3 way diff.
 710                 #
 711                 if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 712
 713                 # -- Reformat a 3 way diff, 'cause its too weird.
 714                 #
 715                 if {$is_3way_diff} {
 716                         set op [string range $line 0 1]
 717                         switch -- $op {
 718                         {@@} {set tags d_@}
 719                         {++} {set tags d_+ ; set op { +}}
 720                         {--} {set tags d_- ; set op { -}}
 721                         { +} {set tags d_++; set op {++}}
 722                         { -} {set tags d_--; set op {--}}
 723                         {+ } {set tags d_-+; set op {-+}}
 724                         {- } {set tags d_+-; set op {+-}}
 725                         default {set tags {}}
 726                         }
 727                         set line [string replace $line 0 1 $op]
 728                 } else {
 729                         switch -- [string index $line 0] {
 730                         @ {set tags d_@}
 731                         + {set tags d_+}
 732                         - {set tags d_-}
 733                         default {set tags {}}
 734                         }
 735                 }
 736                 $ui_diff insert end $line $tags
 737                 $ui_diff insert end "\n" $tags
 738         }
 739         $ui_diff conf -state disabled
 740
 741         if {[eof $fd]} {
 742                 close $fd
 743                 set diff_active 0
 744                 unlock_index
 745                 set ui_status_value {Ready.}
 746
 747                 if {$repo_config(gui.trustmtime) eq {true}
 748                         && [$ui_diff index end] eq {2.0}} {
 749                         handle_empty_diff
 750                 }
 751         }
 752 }
 753
 754 ######################################################################
 755 ##
 756 ## commit
 757
 758 proc load_last_commit {} {
 759         global HEAD PARENT MERGE_HEAD commit_type ui_comm
 760
 761         if {[llength $PARENT] == 0} {
 762                 error_popup {There is nothing to amend.
 763
 764 You are about to create the initial commit.
 765 There is no commit before this to amend.
 766 }
 767                 return
 768         }
 769
 770         repository_state curType curHEAD curMERGE_HEAD
 771         if {$curType eq {merge}} {
 772                 error_popup {Cannot amend while merging.
 773
 774 You are currently in the middle of a merge that
 775 has not been fully completed.  You cannot amend
 776 the prior commit unless you first abort the
 777 current merge activity.
 778 }
 779                 return
 780         }
 781
 782         set msg {}
 783         set parents [list]
 784         if {[catch {
 785                         set fd [open "| git cat-file commit $curHEAD" r]
 786                         while {[gets $fd line] > 0} {
 787                                 if {[string match {parent *} $line]} {
 788                                         lappend parents [string range $line 7 end]
 789                                 }
 790                         }
 791                         set msg [string trim [read $fd]]
 792                         close $fd
 793                 } err]} {
 794                 error_popup "Error loading commit data for amend:\n\n$err"
 795                 return
 796         }
 797
 798         set HEAD $curHEAD
 799         set PARENT $parents
 800         set MERGE_HEAD [list]
 801         switch -- [llength $parents] {
 802         0       {set commit_type amend-initial}
 803         1       {set commit_type amend}
 804         default {set commit_type amend-merge}
 805         }
 806
 807         $ui_comm delete 0.0 end
 808         $ui_comm insert end $msg
 809         $ui_comm edit reset
 810         $ui_comm edit modified false
 811         rescan {set ui_status_value {Ready.}}
 812 }
 813
 814 proc create_new_commit {} {
 815         global commit_type ui_comm
 816
 817         set commit_type normal
 818         $ui_comm delete 0.0 end
 819         $ui_comm edit reset
 820         $ui_comm edit modified false
 821         rescan {set ui_status_value {Ready.}}
 822 }
 823
 824 set GIT_COMMITTER_IDENT {}
 825
 826 proc committer_ident {} {
 827         global GIT_COMMITTER_IDENT
 828
 829         if {$GIT_COMMITTER_IDENT eq {}} {
 830                 if {[catch {set me [exec git var GIT_COMMITTER_IDENT]} err]} {
 831                         error_popup "Unable to obtain your identity:\n\n$err"
 832                         return {}
 833                 }
 834                 if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
 835                         $me me GIT_COMMITTER_IDENT]} {
 836                         error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
 837                         return {}
 838                 }
 839         }
 840
 841         return $GIT_COMMITTER_IDENT
 842 }
 843
 844 proc commit_tree {} {
 845         global HEAD commit_type file_states ui_comm repo_config
 846
 847         if {![lock_index update]} return
 848         if {[committer_ident] eq {}} return
 849
 850         # -- Our in memory state should match the repository.
 851         #
 852         repository_state curType curHEAD curMERGE_HEAD
 853         if {[string match amend* $commit_type]
 854                 && $curType eq {normal}
 855                 && $curHEAD eq $HEAD} {
 856         } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
 857                 info_popup {Last scanned state does not match repository state.
 858
 859 Another Git program has modified this repository
 860 since the last scan.  A rescan must be performed
 861 before another commit can be created.
 862
 863 The rescan will be automatically started now.
 864 }
 865                 unlock_index
 866                 rescan {set ui_status_value {Ready.}}
 867                 return
 868         }
 869
 870         # -- At least one file should differ in the index.
 871         #
 872         set files_ready 0
 873         foreach path [array names file_states] {
 874                 switch -glob -- [lindex $file_states($path) 0] {
 875                 _? {continue}
 876                 A? -
 877                 D? -
 878                 M? {set files_ready 1; break}
 879                 U? {
 880                         error_popup "Unmerged files cannot be committed.
 881
 882 File [short_path $path] has merge conflicts.
 883 You must resolve them and include the file before committing.
 884 "
 885                         unlock_index
 886                         return
 887                 }
 888                 default {
 889                         error_popup "Unknown file state [lindex $s 0] detected.
 890
 891 File [short_path $path] cannot be committed by this program.
 892 "
 893                 }
 894                 }
 895         }
 896         if {!$files_ready} {
 897                 error_popup {No included files to commit.
 898
 899 You must include at least 1 file before you can commit.
 900 }
 901                 unlock_index
 902                 return
 903         }
 904
 905         # -- A message is required.
 906         #
 907         set msg [string trim [$ui_comm get 1.0 end]]
 908         if {$msg eq {}} {
 909                 error_popup {Please supply a commit message.
 910
 911 A good commit message has the following format:
 912
 913 - First line: Describe in one sentance what you did.
 914 - Second line: Blank
 915 - Remaining lines: Describe why this change is good.
 916 }
 917                 unlock_index
 918                 return
 919         }
 920
 921         # -- Update included files if partialincludes are off.
 922         #
 923         if {$repo_config(gui.partialinclude) ne {true}} {
 924                 set pathList [list]
 925                 foreach path [array names file_states] {
 926                         switch -glob -- [lindex $file_states($path) 0] {
 927                         A? -
 928                         M? {lappend pathList $path}
 929                         }
 930                 }
 931                 if {$pathList ne {}} {
 932                         unlock_index
 933                         update_index \
 934                                 "Updating included files" \
 935                                 $pathList \
 936                                 [concat {lock_index update;} \
 937                                         [list commit_prehook $curHEAD $msg]]
 938                         return
 939                 }
 940         }
 941
 942         commit_prehook $curHEAD $msg
 943 }
 944
 945 proc commit_prehook {curHEAD msg} {
 946         global ui_status_value pch_error
 947
 948         set pchook [gitdir hooks pre-commit]
 949
 950         # On Cygwin [file executable] might lie so we need to ask
 951         # the shell if the hook is executable.  Yes that's annoying.
 952         #
 953         if {[is_Windows] && [file isfile $pchook]} {
 954                 set pchook [list sh -c [concat \
 955                         "if test -x \"$pchook\";" \
 956                         "then exec \"$pchook\" 2>&1;" \
 957                         "fi"]]
 958         } elseif {[file executable $pchook]} {
 959                 set pchook [list $pchook |& cat]
 960         } else {
 961                 commit_writetree $curHEAD $msg
 962                 return
 963         }
 964
 965         set ui_status_value {Calling pre-commit hook...}
 966         set pch_error {}
 967         set fd_ph [open "| $pchook" r]
 968         fconfigure $fd_ph -blocking 0 -translation binary
 969         fileevent $fd_ph readable \
 970                 [list commit_prehook_wait $fd_ph $curHEAD $msg]
 971 }
 972
 973 proc commit_prehook_wait {fd_ph curHEAD msg} {
 974         global pch_error ui_status_value
 975
 976         append pch_error [read $fd_ph]
 977         fconfigure $fd_ph -blocking 1
 978         if {[eof $fd_ph]} {
 979                 if {[catch {close $fd_ph}]} {
 980                         set ui_status_value {Commit declined by pre-commit hook.}
 981                         hook_failed_popup pre-commit $pch_error
 982                         unlock_index
 983                 } else {
 984                         commit_writetree $curHEAD $msg
 985                 }
 986                 set pch_error {}
 987                 return
 988         }
 989         fconfigure $fd_ph -blocking 0
 990 }
 991
 992 proc commit_writetree {curHEAD msg} {
 993         global ui_status_value
 994
 995         set ui_status_value {Committing changes...}
 996         set fd_wt [open "| git write-tree" r]
 997         fileevent $fd_wt readable \
 998                 [list commit_committree $fd_wt $curHEAD $msg]
 999 }
1000
1001 proc commit_committree {fd_wt curHEAD msg} {
1002         global HEAD PARENT MERGE_HEAD commit_type
1003         global single_commit
1004         global ui_status_value ui_comm selected_commit_type
1005         global file_states selected_paths rescan_active
1006
1007         gets $fd_wt tree_id
1008         if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1009                 error_popup "write-tree failed:\n\n$err"
1010                 set ui_status_value {Commit failed.}
1011                 unlock_index
1012                 return
1013         }
1014
1015         # -- Create the commit.
1016         #
1017         set cmd [list git commit-tree $tree_id]
1018         set parents [concat $PARENT $MERGE_HEAD]
1019         if {[llength $parents] > 0} {
1020                 foreach p $parents {
1021                         lappend cmd -p $p
1022                 }
1023         } else {
1024                 # git commit-tree writes to stderr during initial commit.
1025                 lappend cmd 2>/dev/null
1026         }
1027         lappend cmd << $msg
1028         if {[catch {set cmt_id [eval exec $cmd]} err]} {
1029                 error_popup "commit-tree failed:\n\n$err"
1030                 set ui_status_value {Commit failed.}
1031                 unlock_index
1032                 return
1033         }
1034
1035         # -- Update the HEAD ref.
1036         #
1037         set reflogm commit
1038         if {$commit_type ne {normal}} {
1039                 append reflogm " ($commit_type)"
1040         }
1041         set i [string first "\n" $msg]
1042         if {$i >= 0} {
1043                 append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1044         } else {
1045                 append reflogm {: } $msg
1046         }
1047         set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1048         if {[catch {eval exec $cmd} err]} {
1049                 error_popup "update-ref failed:\n\n$err"
1050                 set ui_status_value {Commit failed.}
1051                 unlock_index
1052                 return
1053         }
1054
1055         # -- Cleanup after ourselves.
1056         #
1057         catch {file delete [gitdir MERGE_HEAD]}
1058         catch {file delete [gitdir MERGE_MSG]}
1059         catch {file delete [gitdir SQUASH_MSG]}
1060         catch {file delete [gitdir GITGUI_MSG]}
1061
1062         # -- Let rerere do its thing.
1063         #
1064         if {[file isdirectory [gitdir rr-cache]]} {
1065                 catch {exec git rerere}
1066         }
1067
1068         # -- Run the post-commit hook.
1069         #
1070         set pchook [gitdir hooks post-commit]
1071         if {[is_Windows] && [file isfile $pchook]} {
1072                 set pchook [list sh -c [concat \
1073                         "if test -x \"$pchook\";" \
1074                         "then exec \"$pchook\";" \
1075                         "fi"]]
1076         } elseif {![file executable $pchook]} {
1077                 set pchook {}
1078         }
1079         if {$pchook ne {}} {
1080                 catch {exec $pchook &}
1081         }
1082
1083         $ui_comm delete 0.0 end
1084         $ui_comm edit reset
1085         $ui_comm edit modified false
1086
1087         if {$single_commit} do_quit
1088
1089         # -- Update in memory status
1090         #
1091         set selected_commit_type new
1092         set commit_type normal
1093         set HEAD $cmt_id
1094         set PARENT $cmt_id
1095         set MERGE_HEAD [list]
1096
1097         foreach path [array names file_states] {
1098                 set s $file_states($path)
1099                 set m [lindex $s 0]
1100                 switch -glob -- $m {
1101                 _O -
1102                 _M -
1103                 _D {continue}
1104                 __ -
1105                 A_ -
1106                 M_ -
1107                 D_ {
1108                         unset file_states($path)
1109                         catch {unset selected_paths($path)}
1110                 }
1111                 DO {
1112                         set file_states($path) [list _O [lindex $s 1] {} {}]
1113                 }
1114                 AM -
1115                 AD -
1116                 MM -
1117                 MD {
1118                         set file_states($path) [list \
1119                                 _[string index $m 1] \
1120                                 [lindex $s 1] \
1121                                 [lindex $s 3] \
1122                                 {}]
1123                 }
1124                 }
1125         }
1126
1127         display_all_files
1128         unlock_index
1129         reshow_diff
1130         set ui_status_value \
1131                 "Changes committed as [string range $cmt_id 0 7]."
1132 }
1133
1134 ######################################################################
1135 ##
1136 ## fetch pull push
1137
1138 proc fetch_from {remote} {
1139         set w [new_console "fetch $remote" \
1140                 "Fetching new changes from $remote"]
1141         set cmd [list git fetch]
1142         lappend cmd $remote
1143         console_exec $w $cmd
1144 }
1145
1146 proc pull_remote {remote branch} {
1147         global HEAD commit_type file_states repo_config
1148
1149         if {![lock_index update]} return
1150
1151         # -- Our in memory state should match the repository.
1152         #
1153         repository_state curType curHEAD curMERGE_HEAD
1154         if {$commit_type ne $curType || $HEAD ne $curHEAD} {
1155                 info_popup {Last scanned state does not match repository state.
1156
1157 Another Git program has modified this repository
1158 since the last scan.  A rescan must be performed
1159 before a pull operation can be started.
1160
1161 The rescan will be automatically started now.
1162 }
1163                 unlock_index
1164                 rescan {set ui_status_value {Ready.}}
1165                 return
1166         }
1167
1168         # -- No differences should exist before a pull.
1169         #
1170         if {[array size file_states] != 0} {
1171                 error_popup {Uncommitted but modified files are present.
1172
1173 You should not perform a pull with unmodified
1174 files in your working directory as Git will be
1175 unable to recover from an incorrect merge.
1176
1177 You should commit or revert all changes before
1178 starting a pull operation.
1179 }
1180                 unlock_index
1181                 return
1182         }
1183
1184         set w [new_console "pull $remote $branch" \
1185                 "Pulling new changes from branch $branch in $remote"]
1186         set cmd [list git pull]
1187         if {$repo_config(gui.pullsummary) eq {false}} {
1188                 lappend cmd --no-summary
1189         }
1190         lappend cmd $remote
1191         lappend cmd $branch
1192         console_exec $w $cmd [list post_pull_remote $remote $branch]
1193 }
1194
1195 proc post_pull_remote {remote branch success} {
1196         global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
1197         global ui_status_value
1198
1199         unlock_index
1200         if {$success} {
1201                 repository_state commit_type HEAD MERGE_HEAD
1202                 set PARENT $HEAD
1203                 set selected_commit_type new
1204                 set ui_status_value "Pulling $branch from $remote complete."
1205         } else {
1206                 rescan [list set ui_status_value \
1207                         "Conflicts detected while pulling $branch from $remote."]
1208         }
1209 }
1210
1211 proc push_to {remote} {
1212         set w [new_console "push $remote" \
1213                 "Pushing changes to $remote"]
1214         set cmd [list git push]
1215         lappend cmd $remote
1216         console_exec $w $cmd
1217 }
1218
1219 ######################################################################
1220 ##
1221 ## ui helpers
1222
1223 proc mapicon {w state path} {
1224         global all_icons
1225
1226         if {[catch {set r $all_icons($state$w)}]} {
1227                 puts "error: no icon for $w state={$state} $path"
1228                 return file_plain
1229         }
1230         return $r
1231 }
1232
1233 proc mapdesc {state path} {
1234         global all_descs
1235
1236         if {[catch {set r $all_descs($state)}]} {
1237                 puts "error: no desc for state={$state} $path"
1238                 return $state
1239         }
1240         return $r
1241 }
1242
1243 proc escape_path {path} {
1244         regsub -all "\n" $path "\\n" path
1245         return $path
1246 }
1247
1248 proc short_path {path} {
1249         return [escape_path [lindex [file split $path] end]]
1250 }
1251
1252 set next_icon_id 0
1253 set null_sha1 [string repeat 0 40]
1254
1255 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1256         global file_states next_icon_id null_sha1
1257
1258         set s0 [string index $new_state 0]
1259         set s1 [string index $new_state 1]
1260
1261         if {[catch {set info $file_states($path)}]} {
1262                 set state __
1263                 set icon n[incr next_icon_id]
1264         } else {
1265                 set state [lindex $info 0]
1266                 set icon [lindex $info 1]
1267                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1268                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1269         }
1270
1271         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1272         elseif {$s0 eq {_}} {set s0 _}
1273
1274         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1275         elseif {$s1 eq {_}} {set s1 _}
1276
1277         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1278                 set head_info [list 0 $null_sha1]
1279         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1280                 && $head_info eq {}} {
1281                 set head_info $index_info
1282         }
1283
1284         set file_states($path) [list $s0$s1 $icon \
1285                 $head_info $index_info \
1286                 ]
1287         return $state
1288 }
1289
1290 proc display_file_helper {w path icon_name old_m new_m} {
1291         global file_lists
1292
1293         if {$new_m eq {_}} {
1294                 set lno [lsearch -sorted $file_lists($w) $path]
1295                 if {$lno >= 0} {
1296                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1297                         incr lno
1298                         $w conf -state normal
1299                         $w delete $lno.0 [expr {$lno + 1}].0
1300                         $w conf -state disabled
1301                 }
1302         } elseif {$old_m eq {_} && $new_m ne {_}} {
1303                 lappend file_lists($w) $path
1304                 set file_lists($w) [lsort -unique $file_lists($w)]
1305                 set lno [lsearch -sorted $file_lists($w) $path]
1306                 incr lno
1307                 $w conf -state normal
1308                 $w image create $lno.0 \
1309                         -align center -padx 5 -pady 1 \
1310                         -name $icon_name \
1311                         -image [mapicon $w $new_m $path]
1312                 $w insert $lno.1 "[escape_path $path]\n"
1313                 $w conf -state disabled
1314         } elseif {$old_m ne $new_m} {
1315                 $w conf -state normal
1316                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1317                 $w conf -state disabled
1318         }
1319 }
1320
1321 proc display_file {path state} {
1322         global file_states selected_paths
1323         global ui_index ui_workdir
1324
1325         set old_m [merge_state $path $state]
1326         set s $file_states($path)
1327         set new_m [lindex $s 0]
1328         set icon_name [lindex $s 1]
1329
1330         display_file_helper     $ui_index $path $icon_name \
1331                 [string index $old_m 0] \
1332                 [string index $new_m 0]
1333         display_file_helper     $ui_workdir $path $icon_name \
1334                 [string index $old_m 1] \
1335                 [string index $new_m 1]
1336
1337         if {$new_m eq {__}} {
1338                 unset file_states($path)
1339                 catch {unset selected_paths($path)}
1340         }
1341 }
1342
1343 proc display_all_files_helper {w path icon_name m} {
1344         global file_lists
1345
1346         lappend file_lists($w) $path
1347         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1348         $w image create end \
1349                 -align center -padx 5 -pady 1 \
1350                 -name $icon_name \
1351                 -image [mapicon $w $m $path]
1352         $w insert end "[escape_path $path]\n"
1353 }
1354
1355 proc display_all_files {} {
1356         global ui_index ui_workdir
1357         global file_states file_lists
1358         global last_clicked
1359
1360         $ui_index conf -state normal
1361         $ui_workdir conf -state normal
1362
1363         $ui_index delete 0.0 end
1364         $ui_workdir delete 0.0 end
1365         set last_clicked {}
1366
1367         set file_lists($ui_index) [list]
1368         set file_lists($ui_workdir) [list]
1369
1370         foreach path [lsort [array names file_states]] {
1371                 set s $file_states($path)
1372                 set m [lindex $s 0]
1373                 set icon_name [lindex $s 1]
1374
1375                 if {[string index $m 0] ne {_}} {
1376                         display_all_files_helper $ui_index $path \
1377                                 $icon_name [string index $m 0]
1378                 }
1379                 if {[string index $m 1] ne {_}} {
1380                         display_all_files_helper $ui_workdir $path \
1381                                 $icon_name [string index $m 1]
1382                 }
1383         }
1384
1385         $ui_index conf -state disabled
1386         $ui_workdir conf -state disabled
1387 }
1388
1389 proc update_indexinfo {msg pathList after} {
1390         global update_index_cp ui_status_value
1391
1392         if {![lock_index update]} return
1393
1394         set update_index_cp 0
1395         set pathList [lsort $pathList]
1396         set totalCnt [llength $pathList]
1397         set batch [expr {int($totalCnt * .01) + 1}]
1398         if {$batch > 25} {set batch 25}
1399
1400         set ui_status_value [format \
1401                 "$msg... %i/%i files (%.2f%%)" \
1402                 $update_index_cp \
1403                 $totalCnt \
1404                 0.0]
1405         set fd [open "| git update-index -z --index-info" w]
1406         fconfigure $fd \
1407                 -blocking 0 \
1408                 -buffering full \
1409                 -buffersize 512 \
1410                 -translation binary
1411         fileevent $fd writable [list \
1412                 write_update_indexinfo \
1413                 $fd \
1414                 $pathList \
1415                 $totalCnt \
1416                 $batch \
1417                 $msg \
1418                 $after \
1419                 ]
1420 }
1421
1422 proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1423         global update_index_cp ui_status_value
1424         global file_states current_diff
1425
1426         if {$update_index_cp >= $totalCnt} {
1427                 close $fd
1428                 unlock_index
1429                 uplevel #0 $after
1430                 return
1431         }
1432
1433         for {set i $batch} \
1434                 {$update_index_cp < $totalCnt && $i > 0} \
1435                 {incr i -1} {
1436                 set path [lindex $pathList $update_index_cp]
1437                 incr update_index_cp
1438
1439                 set s $file_states($path)
1440                 switch -glob -- [lindex $s 0] {
1441                 A? {set new _O}
1442                 M? {set new _M}
1443                 D_ {set new _D}
1444                 D? {set new _?}
1445                 ?? {continue}
1446                 }
1447                 set info [lindex $s 2]
1448                 if {$info eq {}} continue
1449
1450                 puts -nonewline $fd "$info\t$path\0"
1451                 display_file $path $new
1452         }
1453
1454         set ui_status_value [format \
1455                 "$msg... %i/%i files (%.2f%%)" \
1456                 $update_index_cp \
1457                 $totalCnt \
1458                 [expr {100.0 * $update_index_cp / $totalCnt}]]
1459 }
1460
1461 proc update_index {msg pathList after} {
1462         global update_index_cp ui_status_value
1463
1464         if {![lock_index update]} return
1465
1466         set update_index_cp 0
1467         set pathList [lsort $pathList]
1468         set totalCnt [llength $pathList]
1469         set batch [expr {int($totalCnt * .01) + 1}]
1470         if {$batch > 25} {set batch 25}
1471
1472         set ui_status_value [format \
1473                 "$msg... %i/%i files (%.2f%%)" \
1474                 $update_index_cp \
1475                 $totalCnt \
1476                 0.0]
1477         set fd [open "| git update-index --add --remove -z --stdin" w]
1478         fconfigure $fd \
1479                 -blocking 0 \
1480                 -buffering full \
1481                 -buffersize 512 \
1482                 -translation binary
1483         fileevent $fd writable [list \
1484                 write_update_index \
1485                 $fd \
1486                 $pathList \
1487                 $totalCnt \
1488                 $batch \
1489                 $msg \
1490                 $after \
1491                 ]
1492 }
1493
1494 proc write_update_index {fd pathList totalCnt batch msg after} {
1495         global update_index_cp ui_status_value
1496         global file_states current_diff
1497
1498         if {$update_index_cp >= $totalCnt} {
1499                 close $fd
1500                 unlock_index
1501                 uplevel #0 $after
1502                 return
1503         }
1504
1505         for {set i $batch} \
1506                 {$update_index_cp < $totalCnt && $i > 0} \
1507                 {incr i -1} {
1508                 set path [lindex $pathList $update_index_cp]
1509                 incr update_index_cp
1510
1511                 switch -glob -- [lindex $file_states($path) 0] {
1512                 AD {set new __}
1513                 ?D {set new D_}
1514                 _O -
1515                 AM {set new A_}
1516                 U_ -
1517                 ?M {set new M_}
1518                 ?? {continue}
1519                 }
1520                 puts -nonewline $fd "$path\0"
1521                 display_file $path $new
1522         }
1523
1524         set ui_status_value [format \
1525                 "$msg... %i/%i files (%.2f%%)" \
1526                 $update_index_cp \
1527                 $totalCnt \
1528                 [expr {100.0 * $update_index_cp / $totalCnt}]]
1529 }
1530
1531 proc checkout_index {msg pathList after} {
1532         global update_index_cp ui_status_value
1533
1534         if {![lock_index update]} return
1535
1536         set update_index_cp 0
1537         set pathList [lsort $pathList]
1538         set totalCnt [llength $pathList]
1539         set batch [expr {int($totalCnt * .01) + 1}]
1540         if {$batch > 25} {set batch 25}
1541
1542         set ui_status_value [format \
1543                 "$msg... %i/%i files (%.2f%%)" \
1544                 $update_index_cp \
1545                 $totalCnt \
1546                 0.0]
1547         set cmd [list git checkout-index]
1548         lappend cmd --index
1549         lappend cmd --quiet
1550         lappend cmd --force
1551         lappend cmd -z
1552         lappend cmd --stdin
1553         set fd [open "| $cmd " w]
1554         fconfigure $fd \
1555                 -blocking 0 \
1556                 -buffering full \
1557                 -buffersize 512 \
1558                 -translation binary
1559         fileevent $fd writable [list \
1560                 write_checkout_index \
1561                 $fd \
1562                 $pathList \
1563                 $totalCnt \
1564                 $batch \
1565                 $msg \
1566                 $after \
1567                 ]
1568 }
1569
1570 proc write_checkout_index {fd pathList totalCnt batch msg after} {
1571         global update_index_cp ui_status_value
1572         global file_states current_diff
1573
1574         if {$update_index_cp >= $totalCnt} {
1575                 close $fd
1576                 unlock_index
1577                 uplevel #0 $after
1578                 return
1579         }
1580
1581         for {set i $batch} \
1582                 {$update_index_cp < $totalCnt && $i > 0} \
1583                 {incr i -1} {
1584                 set path [lindex $pathList $update_index_cp]
1585                 incr update_index_cp
1586                 switch -glob -- [lindex $file_states($path) 0] {
1587                 U? {continue}
1588                 ?M -
1589                 ?D {
1590                         puts -nonewline $fd "$path\0"
1591                         display_file $path ?_
1592                 }
1593                 }
1594         }
1595
1596         set ui_status_value [format \
1597                 "$msg... %i/%i files (%.2f%%)" \
1598                 $update_index_cp \
1599                 $totalCnt \
1600                 [expr {100.0 * $update_index_cp / $totalCnt}]]
1601 }
1602
1603 ######################################################################
1604 ##
1605 ## branch management
1606
1607 proc load_all_heads {} {
1608         global all_heads tracking_branches
1609
1610         set all_heads [list]
1611         set cmd [list git for-each-ref]
1612         lappend cmd --format=%(refname)
1613         lappend cmd refs/heads
1614         set fd [open "| $cmd" r]
1615         while {[gets $fd line] > 0} {
1616                 if {![catch {set info $tracking_branches($line)}]} continue
1617                 if {![regsub ^refs/heads/ $line {} name]} continue
1618                 lappend all_heads $name
1619         }
1620         close $fd
1621
1622         set all_heads [lsort $all_heads]
1623 }
1624
1625 proc populate_branch_menu {} {
1626         global all_heads disable_on_lock
1627
1628         set m .mbar.branch
1629         set last [$m index last]
1630         for {set i 0} {$i <= $last} {incr i} {
1631                 if {[$m type $i] eq {separator}} {
1632                         $m delete $i last
1633                         set new_dol [list]
1634                         foreach a $disable_on_lock {
1635                                 if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1636                                         lappend new_dol $a
1637                                 }
1638                         }
1639                         set disable_on_lock $new_dol
1640                         break
1641                 }
1642         }
1643
1644         $m add separator
1645         foreach b $all_heads {
1646                 $m add radiobutton \
1647                         -label $b \
1648                         -command [list switch_branch $b] \
1649                         -variable current_branch \
1650                         -value $b \
1651                         -font font_ui
1652                 lappend disable_on_lock \
1653                         [list $m entryconf [$m index last] -state]
1654         }
1655 }
1656
1657 proc do_create_branch_action {w} {
1658         global all_heads null_sha1
1659         global create_branch_checkout create_branch_revtype create_branch_head
1660
1661         set newbranch [string trim [$w.name.t get 0.0 end]]
1662         if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
1663                 tk_messageBox \
1664                         -icon error \
1665                         -type ok \
1666                         -title [wm title $w] \
1667                         -parent $w \
1668                         -message "Branch '$newbranch' already exists."
1669                 focus $w.name.t
1670                 return
1671         }
1672         if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
1673                 tk_messageBox \
1674                         -icon error \
1675                         -type ok \
1676                         -title [wm title $w] \
1677                         -parent $w \
1678                         -message "We do not like '$newbranch' as a branch name."
1679                 focus $w.name.t
1680                 return
1681         }
1682
1683         set rev {}
1684         switch -- $create_branch_revtype {
1685         head {set rev $create_branch_head}
1686         expression {set rev [string trim [$w.from.exp.t get 0.0 end]]}
1687         }
1688         if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
1689                 tk_messageBox \
1690                         -icon error \
1691                         -type ok \
1692                         -title [wm title $w] \
1693                         -parent $w \
1694                         -message "Invalid starting revision: $rev"
1695                 return
1696         }
1697         set cmd [list git update-ref]
1698         lappend cmd -m
1699         lappend cmd "branch: Created from $rev"
1700         lappend cmd "refs/heads/$newbranch"
1701         lappend cmd $cmt
1702         lappend cmd $null_sha1
1703         if {[catch {eval exec $cmd} err]} {
1704                 tk_messageBox \
1705                         -icon error \
1706                         -type ok \
1707                         -title [wm title $w] \
1708                         -parent $w \
1709                         -message "Failed to create '$newbranch'.\n\n$err"
1710                 return
1711         }
1712
1713         lappend all_heads $newbranch
1714         set all_heads [lsort $all_heads]
1715         populate_branch_menu
1716
1717         destroy $w
1718 }
1719
1720 proc do_create_branch {} {
1721         global all_heads current_branch
1722         global create_branch_checkout create_branch_revtype create_branch_head
1723
1724         set create_branch_checkout true
1725         set create_branch_revtype head
1726         set create_branch_head $current_branch
1727
1728         set w .branch_editor
1729         toplevel $w
1730         wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
1731
1732         label $w.header -text {Create New Branch} \
1733                 -font font_uibold
1734         pack $w.header -side top -fill x
1735
1736         frame $w.buttons
1737         button $w.buttons.create -text Create \
1738                 -font font_ui \
1739                 -default active \
1740                 -command [list do_create_branch_action $w]
1741         pack $w.buttons.create -side right
1742         button $w.buttons.cancel -text {Cancel} \
1743                 -font font_ui \
1744                 -command [list destroy $w]
1745         pack $w.buttons.cancel -side right -padx 5
1746         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
1747
1748         labelframe $w.name \
1749                 -text {Branch Description} \
1750                 -font font_ui
1751         label $w.name.l -text {Name:} -font font_ui
1752         text $w.name.t \
1753                 -height 1 \
1754                 -width 40 \
1755                 -font font_ui
1756         bind $w.name.t <Shift-Key-Tab> "focus $w.postActions.checkout;break"
1757         bind $w.name.t <Key-Tab> "focus $w.from.exp.t;break"
1758         bind $w.name.t <Key-Return> "do_create_branch_action $w;break"
1759         bind $w.name.t <Key> {
1760                 if {{%K} ne {BackSpace}
1761                         && {%K} ne {Tab}
1762                         && {%K} ne {Escape}
1763                         && {%K} ne {Return}} {
1764                         if {%k <= 32} break
1765                         if {[string first %A {~^:?*[}] >= 0} break
1766                 }
1767         }
1768         pack $w.name.l -side left -padx 5
1769         pack $w.name.t -side left -fill x -expand 1
1770         pack $w.name -anchor nw -fill x -pady 5 -padx 5
1771
1772         labelframe $w.from \
1773                 -text {Starting Revision} \
1774                 -font font_ui
1775         frame $w.from.head
1776         radiobutton $w.from.head.r \
1777                 -text {Local Branch:} \
1778                 -value head \
1779                 -variable create_branch_revtype \
1780                 -font font_ui
1781         eval tk_optionMenu $w.from.head.m create_branch_head $all_heads
1782         pack $w.from.head.r -side left
1783         pack $w.from.head.m -side left
1784         frame $w.from.exp
1785         radiobutton $w.from.exp.r \
1786                 -text {Revision Expression:} \
1787                 -value expression \
1788                 -variable create_branch_revtype \
1789                 -font font_ui
1790         text $w.from.exp.t \
1791                 -height 1 \
1792                 -width 50 \
1793                 -font font_ui
1794         bind $w.from.exp.t <Shift-Key-Tab> "focus $w.name.t;break"
1795         bind $w.from.exp.t <Key-Tab> "focus $w.postActions.checkout;break"
1796         bind $w.from.exp.t <Key-Return> "do_create_branch_action $w;break"
1797         pack $w.from.exp.r -side left
1798         pack $w.from.exp.t -side left -fill x -expand 1
1799         pack $w.from.head -padx 5 -fill x -expand 1
1800         pack $w.from.exp -padx 5 -fill x -expand 1
1801         pack $w.from -anchor nw -fill x -pady 5 -padx 5
1802
1803         labelframe $w.postActions \
1804                 -text {Post Creation Actions} \
1805                 -font font_ui
1806         checkbutton $w.postActions.checkout \
1807                 -text {Checkout after creation} \
1808                 -offvalue false \
1809                 -onvalue true \
1810                 -variable create_branch_checkout \
1811                 -font font_ui
1812         pack $w.postActions.checkout -anchor nw
1813         pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
1814
1815         bind $w <Visibility> "grab $w; focus $w.name.t"
1816         bind $w <Key-Escape> "destroy $w"
1817         bind $w <Key-Return> "do_create_branch_action $w;break"
1818         wm title $w "[appname] ([reponame]): Create Branch"
1819         tkwait window $w
1820 }
1821
1822 proc do_delete_branch {} {
1823         error "NOT IMPLEMENTED"
1824 }
1825
1826 proc switch_branch {b} {
1827         global HEAD commit_type file_states current_branch
1828         global selected_commit_type ui_comm
1829
1830         if {![lock_index switch]} return
1831
1832         # -- Backup the selected branch (repository_state resets it)
1833         #
1834         set new_branch $current_branch
1835
1836         # -- Our in memory state should match the repository.
1837         #
1838         repository_state curType curHEAD curMERGE_HEAD
1839         if {[string match amend* $commit_type]
1840                 && $curType eq {normal}
1841                 && $curHEAD eq $HEAD} {
1842         } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
1843                 info_popup {Last scanned state does not match repository state.
1844
1845 Another Git program has modified this repository
1846 since the last scan.  A rescan must be performed
1847 before the current branch can be changed.
1848
1849 The rescan will be automatically started now.
1850 }
1851                 unlock_index
1852                 rescan {set ui_status_value {Ready.}}
1853                 return
1854         }
1855
1856         # -- Toss the message buffer if we are in amend mode.
1857         #
1858         if {[string match amend* $curType]} {
1859                 $ui_comm delete 0.0 end
1860                 $ui_comm edit reset
1861                 $ui_comm edit modified false
1862         }
1863
1864         set selected_commit_type new
1865         set current_branch $new_branch
1866
1867         unlock_index
1868         error "NOT FINISHED"
1869 }
1870
1871 ######################################################################
1872 ##
1873 ## remote management
1874
1875 proc load_all_remotes {} {
1876         global repo_config
1877         global all_remotes tracking_branches
1878
1879         set all_remotes [list]
1880         array unset tracking_branches
1881
1882         set rm_dir [gitdir remotes]
1883         if {[file isdirectory $rm_dir]} {
1884                 set all_remotes [glob \
1885                         -types f \
1886                         -tails \
1887                         -nocomplain \
1888                         -directory $rm_dir *]
1889
1890                 foreach name $all_remotes {
1891                         catch {
1892                                 set fd [open [file join $rm_dir $name] r]
1893                                 while {[gets $fd line] >= 0} {
1894                                         if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
1895                                                 $line line src dst]} continue
1896                                         if {![regexp ^refs/ $dst]} {
1897                                                 set dst "refs/heads/$dst"
1898                                         }
1899                                         set tracking_branches($dst) [list $name $src]
1900                                 }
1901                                 close $fd
1902                         }
1903                 }
1904         }
1905
1906         foreach line [array names repo_config remote.*.url] {
1907                 if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
1908                 lappend all_remotes $name
1909
1910                 if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
1911                         set fl {}
1912                 }
1913                 foreach line $fl {
1914                         if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
1915                         if {![regexp ^refs/ $dst]} {
1916                                 set dst "refs/heads/$dst"
1917                         }
1918                         set tracking_branches($dst) [list $name $src]
1919                 }
1920         }
1921
1922         set all_remotes [lsort -unique $all_remotes]
1923 }
1924
1925 proc populate_fetch_menu {m} {
1926         global all_remotes repo_config
1927
1928         foreach r $all_remotes {
1929                 set enable 0
1930                 if {![catch {set a $repo_config(remote.$r.url)}]} {
1931                         if {![catch {set a $repo_config(remote.$r.fetch)}]} {
1932                                 set enable 1
1933                         }
1934                 } else {
1935                         catch {
1936                                 set fd [open [gitdir remotes $r] r]
1937                                 while {[gets $fd n] >= 0} {
1938                                         if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
1939                                                 set enable 1
1940                                                 break
1941                                         }
1942                                 }
1943                                 close $fd
1944                         }
1945                 }
1946
1947                 if {$enable} {
1948                         $m add command \
1949                                 -label "Fetch from $r..." \
1950                                 -command [list fetch_from $r] \
1951                                 -font font_ui
1952                 }
1953         }
1954 }
1955
1956 proc populate_push_menu {m} {
1957         global all_remotes repo_config
1958
1959         foreach r $all_remotes {
1960                 set enable 0
1961                 if {![catch {set a $repo_config(remote.$r.url)}]} {
1962                         if {![catch {set a $repo_config(remote.$r.push)}]} {
1963                                 set enable 1
1964                         }
1965                 } else {
1966                         catch {
1967                                 set fd [open [gitdir remotes $r] r]
1968                                 while {[gets $fd n] >= 0} {
1969                                         if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
1970                                                 set enable 1
1971                                                 break
1972                                         }
1973                                 }
1974                                 close $fd
1975                         }
1976                 }
1977
1978                 if {$enable} {
1979                         $m add command \
1980                                 -label "Push to $r..." \
1981                                 -command [list push_to $r] \
1982                                 -font font_ui
1983                 }
1984         }
1985 }
1986
1987 proc populate_pull_menu {m} {
1988         global repo_config all_remotes disable_on_lock
1989
1990         foreach remote $all_remotes {
1991                 set rb_list [list]
1992                 if {[array get repo_config remote.$remote.url] ne {}} {
1993                         if {[array get repo_config remote.$remote.fetch] ne {}} {
1994                                 foreach line $repo_config(remote.$remote.fetch) {
1995                                         if {[regexp {^([^:]+):} $line line rb]} {
1996                                                 lappend rb_list $rb
1997                                         }
1998                                 }
1999                         }
2000                 } else {
2001                         catch {
2002                                 set fd [open [gitdir remotes $remote] r]
2003                                 while {[gets $fd line] >= 0} {
2004                                         if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
2005                                                 lappend rb_list $rb
2006                                         }
2007                                 }
2008                                 close $fd
2009                         }
2010                 }
2011
2012                 foreach rb $rb_list {
2013                         regsub ^refs/heads/ $rb {} rb_short
2014                         $m add command \
2015                                 -label "Branch $rb_short from $remote..." \
2016                                 -command [list pull_remote $remote $rb] \
2017                                 -font font_ui
2018                         lappend disable_on_lock \
2019                                 [list $m entryconf [$m index last] -state]
2020                 }
2021         }
2022 }
2023
2024 ######################################################################
2025 ##
2026 ## icons
2027
2028 set filemask {
2029 #define mask_width 14
2030 #define mask_height 15
2031 static unsigned char mask_bits[] = {
2032    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2033    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2034    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2035 }
2036
2037 image create bitmap file_plain -background white -foreground black -data {
2038 #define plain_width 14
2039 #define plain_height 15
2040 static unsigned char plain_bits[] = {
2041    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2042    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2043    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2044 } -maskdata $filemask
2045
2046 image create bitmap file_mod -background white -foreground blue -data {
2047 #define mod_width 14
2048 #define mod_height 15
2049 static unsigned char mod_bits[] = {
2050    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2051    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2052    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2053 } -maskdata $filemask
2054
2055 image create bitmap file_fulltick -background white -foreground "#007000" -data {
2056 #define file_fulltick_width 14
2057 #define file_fulltick_height 15
2058 static unsigned char file_fulltick_bits[] = {
2059    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2060    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2061    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2062 } -maskdata $filemask
2063
2064 image create bitmap file_parttick -background white -foreground "#005050" -data {
2065 #define parttick_width 14
2066 #define parttick_height 15
2067 static unsigned char parttick_bits[] = {
2068    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2069    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
2070    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2071 } -maskdata $filemask
2072
2073 image create bitmap file_question -background white -foreground black -data {
2074 #define file_question_width 14
2075 #define file_question_height 15
2076 static unsigned char file_question_bits[] = {
2077    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2078    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2079    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2080 } -maskdata $filemask
2081
2082 image create bitmap file_removed -background white -foreground red -data {
2083 #define file_removed_width 14
2084 #define file_removed_height 15
2085 static unsigned char file_removed_bits[] = {
2086    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2087    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2088    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2089 } -maskdata $filemask
2090
2091 image create bitmap file_merge -background white -foreground blue -data {
2092 #define file_merge_width 14
2093 #define file_merge_height 15
2094 static unsigned char file_merge_bits[] = {
2095    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2096    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2097    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2098 } -maskdata $filemask
2099
2100 set ui_index .vpane.files.index.list
2101 set ui_workdir .vpane.files.workdir.list
2102
2103 set all_icons(_$ui_index)   file_plain
2104 set all_icons(A$ui_index)   file_fulltick
2105 set all_icons(M$ui_index)   file_fulltick
2106 set all_icons(D$ui_index)   file_removed
2107 set all_icons(U$ui_index)   file_merge
2108
2109 set all_icons(_$ui_workdir) file_plain
2110 set all_icons(M$ui_workdir) file_mod
2111 set all_icons(D$ui_workdir) file_question
2112 set all_icons(O$ui_workdir) file_plain
2113
2114 set max_status_desc 0
2115 foreach i {
2116                 {__ "Unmodified"}
2117
2118                 {_M "Modified, not staged"}
2119                 {M_ "Staged for commit"}
2120                 {MM "Portions staged for commit"}
2121                 {MD "Staged for commit, missing"}
2122
2123                 {_O "Untracked, not staged"}
2124                 {A_ "Staged for commit"}
2125                 {AM "Portions staged for commit"}
2126                 {AD "Staged for commit, missing"}
2127
2128                 {_D "Missing"}
2129                 {D_ "Staged for removal"}
2130                 {DO "Staged for removal, still present"}
2131
2132                 {U_ "Requires merge resolution"}
2133                 {UM "Requires merge resolution"}
2134                 {UD "Requires merge resolution"}
2135         } {
2136         if {$max_status_desc < [string length [lindex $i 1]]} {
2137                 set max_status_desc [string length [lindex $i 1]]
2138         }
2139         set all_descs([lindex $i 0]) [lindex $i 1]
2140 }
2141 unset i
2142
2143 ######################################################################
2144 ##
2145 ## util
2146
2147 proc is_MacOSX {} {
2148         global tcl_platform tk_library
2149         if {[tk windowingsystem] eq {aqua}} {
2150                 return 1
2151         }
2152         return 0
2153 }
2154
2155 proc is_Windows {} {
2156         global tcl_platform
2157         if {$tcl_platform(platform) eq {windows}} {
2158                 return 1
2159         }
2160         return 0
2161 }
2162
2163 proc bind_button3 {w cmd} {
2164         bind $w <Any-Button-3> $cmd
2165         if {[is_MacOSX]} {
2166                 bind $w <Control-Button-1> $cmd
2167         }
2168 }
2169
2170 proc incr_font_size {font {amt 1}} {
2171         set sz [font configure $font -size]
2172         incr sz $amt
2173         font configure $font -size $sz
2174         font configure ${font}bold -size $sz
2175 }
2176
2177 proc hook_failed_popup {hook msg} {
2178         set w .hookfail
2179         toplevel $w
2180
2181         frame $w.m
2182         label $w.m.l1 -text "$hook hook failed:" \
2183                 -anchor w \
2184                 -justify left \
2185                 -font font_uibold
2186         text $w.m.t \
2187                 -background white -borderwidth 1 \
2188                 -relief sunken \
2189                 -width 80 -height 10 \
2190                 -font font_diff \
2191                 -yscrollcommand [list $w.m.sby set]
2192         label $w.m.l2 \
2193                 -text {You must correct the above errors before committing.} \
2194                 -anchor w \
2195                 -justify left \
2196                 -font font_uibold
2197         scrollbar $w.m.sby -command [list $w.m.t yview]
2198         pack $w.m.l1 -side top -fill x
2199         pack $w.m.l2 -side bottom -fill x
2200         pack $w.m.sby -side right -fill y
2201         pack $w.m.t -side left -fill both -expand 1
2202         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2203
2204         $w.m.t insert 1.0 $msg
2205         $w.m.t conf -state disabled
2206
2207         button $w.ok -text OK \
2208                 -width 15 \
2209                 -font font_ui \
2210                 -command "destroy $w"
2211         pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2212
2213         bind $w <Visibility> "grab $w; focus $w"
2214         bind $w <Key-Return> "destroy $w"
2215         wm title $w "[appname] ([reponame]): error"
2216         tkwait window $w
2217 }
2218
2219 set next_console_id 0
2220
2221 proc new_console {short_title long_title} {
2222         global next_console_id console_data
2223         set w .console[incr next_console_id]
2224         set console_data($w) [list $short_title $long_title]
2225         return [console_init $w]
2226 }
2227
2228 proc console_init {w} {
2229         global console_cr console_data M1B
2230
2231         set console_cr($w) 1.0
2232         toplevel $w
2233         frame $w.m
2234         label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2235                 -anchor w \
2236                 -justify left \
2237                 -font font_uibold
2238         text $w.m.t \
2239                 -background white -borderwidth 1 \
2240                 -relief sunken \
2241                 -width 80 -height 10 \
2242                 -font font_diff \
2243                 -state disabled \
2244                 -yscrollcommand [list $w.m.sby set]
2245         label $w.m.s -text {Working... please wait...} \
2246                 -anchor w \
2247                 -justify left \
2248                 -font font_uibold
2249         scrollbar $w.m.sby -command [list $w.m.t yview]
2250         pack $w.m.l1 -side top -fill x
2251         pack $w.m.s -side bottom -fill x
2252         pack $w.m.sby -side right -fill y
2253         pack $w.m.t -side left -fill both -expand 1
2254         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2255
2256         menu $w.ctxm -tearoff 0
2257         $w.ctxm add command -label "Copy" \
2258                 -font font_ui \
2259                 -command "tk_textCopy $w.m.t"
2260         $w.ctxm add command -label "Select All" \
2261                 -font font_ui \
2262                 -command "$w.m.t tag add sel 0.0 end"
2263         $w.ctxm add command -label "Copy All" \
2264                 -font font_ui \
2265                 -command "
2266                         $w.m.t tag add sel 0.0 end
2267                         tk_textCopy $w.m.t
2268                         $w.m.t tag remove sel 0.0 end
2269                 "
2270
2271         button $w.ok -text {Close} \
2272                 -font font_ui \
2273                 -state disabled \
2274                 -command "destroy $w"
2275         pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2276
2277         bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2278         bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2279         bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2280         bind $w <Visibility> "focus $w"
2281         wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2282         return $w
2283 }
2284
2285 proc console_exec {w cmd {after {}}} {
2286         # -- Windows tosses the enviroment when we exec our child.
2287         #    But most users need that so we have to relogin. :-(
2288         #
2289         if {[is_Windows]} {
2290                 set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2291         }
2292
2293         # -- Tcl won't let us redirect both stdout and stderr to
2294         #    the same pipe.  So pass it through cat...
2295         #
2296         set cmd [concat | $cmd |& cat]
2297
2298         set fd_f [open $cmd r]
2299         fconfigure $fd_f -blocking 0 -translation binary
2300         fileevent $fd_f readable [list console_read $w $fd_f $after]
2301 }
2302
2303 proc console_read {w fd after} {
2304         global console_cr console_data
2305
2306         set buf [read $fd]
2307         if {$buf ne {}} {
2308                 if {![winfo exists $w]} {console_init $w}
2309                 $w.m.t conf -state normal
2310                 set c 0
2311                 set n [string length $buf]
2312                 while {$c < $n} {
2313                         set cr [string first "\r" $buf $c]
2314                         set lf [string first "\n" $buf $c]
2315                         if {$cr < 0} {set cr [expr {$n + 1}]}
2316                         if {$lf < 0} {set lf [expr {$n + 1}]}
2317
2318                         if {$lf < $cr} {
2319                                 $w.m.t insert end [string range $buf $c $lf]
2320                                 set console_cr($w) [$w.m.t index {end -1c}]
2321                                 set c $lf
2322                                 incr c
2323                         } else {
2324                                 $w.m.t delete $console_cr($w) end
2325                                 $w.m.t insert end "\n"
2326                                 $w.m.t insert end [string range $buf $c $cr]
2327                                 set c $cr
2328                                 incr c
2329                         }
2330                 }
2331                 $w.m.t conf -state disabled
2332                 $w.m.t see end
2333         }
2334
2335         fconfigure $fd -blocking 1
2336         if {[eof $fd]} {
2337                 if {[catch {close $fd}]} {
2338                         if {![winfo exists $w]} {console_init $w}
2339                         $w.m.s conf -background red -text {Error: Command Failed}
2340                         $w.ok conf -state normal
2341                         set ok 0
2342                 } elseif {[winfo exists $w]} {
2343                         $w.m.s conf -background green -text {Success}
2344                         $w.ok conf -state normal
2345                         set ok 1
2346                 }
2347                 array unset console_cr $w
2348                 array unset console_data $w
2349                 if {$after ne {}} {
2350                         uplevel #0 $after $ok
2351                 }
2352                 return
2353         }
2354         fconfigure $fd -blocking 0
2355 }
2356
2357 ######################################################################
2358 ##
2359 ## ui commands
2360
2361 set starting_gitk_msg {Starting gitk... please wait...}
2362
2363 proc do_gitk {revs} {
2364         global ui_status_value starting_gitk_msg
2365
2366         set cmd gitk
2367         if {$revs ne {}} {
2368                 append cmd { }
2369                 append cmd $revs
2370         }
2371         if {[is_Windows]} {
2372                 set cmd "sh -c \"exec $cmd\""
2373         }
2374         append cmd { &}
2375
2376         if {[catch {eval exec $cmd} err]} {
2377                 error_popup "Failed to start gitk:\n\n$err"
2378         } else {
2379                 set ui_status_value $starting_gitk_msg
2380                 after 10000 {
2381                         if {$ui_status_value eq $starting_gitk_msg} {
2382                                 set ui_status_value {Ready.}
2383                         }
2384                 }
2385         }
2386 }
2387
2388 proc do_gc {} {
2389         set w [new_console {gc} {Compressing the object database}]
2390         console_exec $w {git gc}
2391 }
2392
2393 proc do_fsck_objects {} {
2394         set w [new_console {fsck-objects} \
2395                 {Verifying the object database with fsck-objects}]
2396         set cmd [list git fsck-objects]
2397         lappend cmd --full
2398         lappend cmd --cache
2399         lappend cmd --strict
2400         console_exec $w $cmd
2401 }
2402
2403 set is_quitting 0
2404
2405 proc do_quit {} {
2406         global ui_comm is_quitting repo_config commit_type
2407
2408         if {$is_quitting} return
2409         set is_quitting 1
2410
2411         # -- Stash our current commit buffer.
2412         #
2413         set save [gitdir GITGUI_MSG]
2414         set msg [string trim [$ui_comm get 0.0 end]]
2415         if {![string match amend* $commit_type]
2416                 && [$ui_comm edit modified]
2417                 && $msg ne {}} {
2418                 catch {
2419                         set fd [open $save w]
2420                         puts $fd [string trim [$ui_comm get 0.0 end]]
2421                         close $fd
2422                 }
2423         } else {
2424                 catch {file delete $save}
2425         }
2426
2427         # -- Stash our current window geometry into this repository.
2428         #
2429         set cfg_geometry [list]
2430         lappend cfg_geometry [wm geometry .]
2431         lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2432         lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2433         if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2434                 set rc_geometry {}
2435         }
2436         if {$cfg_geometry ne $rc_geometry} {
2437                 catch {exec git repo-config gui.geometry $cfg_geometry}
2438         }
2439
2440         destroy .
2441 }
2442
2443 proc do_rescan {} {
2444         rescan {set ui_status_value {Ready.}}
2445 }
2446
2447 proc unstage_helper {txt paths} {
2448         global file_states current_diff
2449
2450         if {![lock_index begin-update]} return
2451
2452         set pathList [list]
2453         set after {}
2454         foreach path $paths {
2455                 switch -glob -- [lindex $file_states($path) 0] {
2456                 A? -
2457                 M? -
2458                 D? {
2459                         lappend pathList $path
2460                         if {$path eq $current_diff} {
2461                                 set after {reshow_diff;}
2462                         }
2463                 }
2464                 }
2465         }
2466         if {$pathList eq {}} {
2467                 unlock_index
2468         } else {
2469                 update_indexinfo \
2470                         $txt \
2471                         $pathList \
2472                         [concat $after {set ui_status_value {Ready.}}]
2473         }
2474 }
2475
2476 proc do_unstage_selection {} {
2477         global current_diff selected_paths
2478
2479         if {[array size selected_paths] > 0} {
2480                 unstage_helper \
2481                         {Unstaging selected files from commit} \
2482                         [array names selected_paths]
2483         } elseif {$current_diff ne {}} {
2484                 unstage_helper \
2485                         "Unstaging [short_path $current_diff] from commit" \
2486                         [list $current_diff]
2487         }
2488 }
2489
2490 proc add_helper {txt paths} {
2491         global file_states current_diff
2492
2493         if {![lock_index begin-update]} return
2494
2495         set pathList [list]
2496         set after {}
2497         foreach path $paths {
2498                 switch -glob -- [lindex $file_states($path) 0] {
2499                 _O -
2500                 ?M -
2501                 ?D -
2502                 U? {
2503                         lappend pathList $path
2504                         if {$path eq $current_diff} {
2505                                 set after {reshow_diff;}
2506                         }
2507                 }
2508                 }
2509         }
2510         if {$pathList eq {}} {
2511                 unlock_index
2512         } else {
2513                 update_index \
2514                         $txt \
2515                         $pathList \
2516                         [concat $after {set ui_status_value {Ready to commit.}}]
2517         }
2518 }
2519
2520 proc do_add_selection {} {
2521         global current_diff selected_paths
2522
2523         if {[array size selected_paths] > 0} {
2524                 add_helper \
2525                         {Adding selected files} \
2526                         [array names selected_paths]
2527         } elseif {$current_diff ne {}} {
2528                 add_helper \
2529                         "Adding [short_path $current_diff]" \
2530                         [list $current_diff]
2531         }
2532 }
2533
2534 proc do_add_all {} {
2535         global file_states
2536
2537         set paths [list]
2538         foreach path [array names file_states] {
2539                 switch -glob -- [lindex $file_states($path) 0] {
2540                 U? {continue}
2541                 ?M -
2542                 ?D {lappend paths $path}
2543                 }
2544         }
2545         add_helper {Adding all changed files} $paths
2546 }
2547
2548 proc revert_helper {txt paths} {
2549         global file_states current_diff
2550
2551         if {![lock_index begin-update]} return
2552
2553         set pathList [list]
2554         set after {}
2555         foreach path $paths {
2556                 switch -glob -- [lindex $file_states($path) 0] {
2557                 U? {continue}
2558                 ?M -
2559                 ?D {
2560                         lappend pathList $path
2561                         if {$path eq $current_diff} {
2562                                 set after {reshow_diff;}
2563                         }
2564                 }
2565                 }
2566         }
2567
2568         set n [llength $pathList]
2569         if {$n == 0} {
2570                 unlock_index
2571                 return
2572         } elseif {$n == 1} {
2573                 set s "[short_path [lindex $pathList]]"
2574         } else {
2575                 set s "these $n files"
2576         }
2577
2578         set reply [tk_dialog \
2579                 .confirm_revert \
2580                 "[appname] ([reponame])" \
2581                 "Revert changes in $s?
2582
2583 Any unadded changes will be permanently lost by the revert." \
2584                 question \
2585                 1 \
2586                 {Do Nothing} \
2587                 {Revert Changes} \
2588                 ]
2589         if {$reply == 1} {
2590                 checkout_index \
2591                         $txt \
2592                         $pathList \
2593                         [concat $after {set ui_status_value {Ready.}}]
2594         } else {
2595                 unlock_index
2596         }
2597 }
2598
2599 proc do_revert_selection {} {
2600         global current_diff selected_paths
2601
2602         if {[array size selected_paths] > 0} {
2603                 revert_helper \
2604                         {Reverting selected files} \
2605                         [array names selected_paths]
2606         } elseif {$current_diff ne {}} {
2607                 revert_helper \
2608                         "Reverting [short_path $current_diff]" \
2609                         [list $current_diff]
2610         }
2611 }
2612
2613 proc do_signoff {} {
2614         global ui_comm
2615
2616         set me [committer_ident]
2617         if {$me eq {}} return
2618
2619         set sob "Signed-off-by: $me"
2620         set last [$ui_comm get {end -1c linestart} {end -1c}]
2621         if {$last ne $sob} {
2622                 $ui_comm edit separator
2623                 if {$last ne {}
2624                         && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2625                         $ui_comm insert end "\n"
2626                 }
2627                 $ui_comm insert end "\n$sob"
2628                 $ui_comm edit separator
2629                 $ui_comm see end
2630         }
2631 }
2632
2633 proc do_select_commit_type {} {
2634         global commit_type selected_commit_type
2635
2636         if {$selected_commit_type eq {new}
2637                 && [string match amend* $commit_type]} {
2638                 create_new_commit
2639         } elseif {$selected_commit_type eq {amend}
2640                 && ![string match amend* $commit_type]} {
2641                 load_last_commit
2642
2643                 # The amend request was rejected...
2644                 #
2645                 if {![string match amend* $commit_type]} {
2646                         set selected_commit_type new
2647                 }
2648         }
2649 }
2650
2651 proc do_commit {} {
2652         commit_tree
2653 }
2654
2655 proc do_about {} {
2656         global appvers copyright
2657         global tcl_patchLevel tk_patchLevel
2658
2659         set w .about_dialog
2660         toplevel $w
2661         wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2662
2663         label $w.header -text "About [appname]" \
2664                 -font font_uibold
2665         pack $w.header -side top -fill x
2666
2667         frame $w.buttons
2668         button $w.buttons.close -text {Close} \
2669                 -font font_ui \
2670                 -command [list destroy $w]
2671         pack $w.buttons.close -side right
2672         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2673
2674         label $w.desc \
2675                 -text "[appname] - a commit creation tool for Git.
2676 $copyright" \
2677                 -padx 5 -pady 5 \
2678                 -justify left \
2679                 -anchor w \
2680                 -borderwidth 1 \
2681                 -relief solid \
2682                 -font font_ui
2683         pack $w.desc -side top -fill x -padx 5 -pady 5
2684
2685         set v {}
2686         append v "[appname] version $appvers\n"
2687         append v "[exec git version]\n"
2688         append v "\n"
2689         if {$tcl_patchLevel eq $tk_patchLevel} {
2690                 append v "Tcl/Tk version $tcl_patchLevel"
2691         } else {
2692                 append v "Tcl version $tcl_patchLevel"
2693                 append v ", Tk version $tk_patchLevel"
2694         }
2695
2696         label $w.vers \
2697                 -text $v \
2698                 -padx 5 -pady 5 \
2699                 -justify left \
2700                 -anchor w \
2701                 -borderwidth 1 \
2702                 -relief solid \
2703                 -font font_ui
2704         pack $w.vers -side top -fill x -padx 5 -pady 5
2705
2706         menu $w.ctxm -tearoff 0
2707         $w.ctxm add command \
2708                 -label {Copy} \
2709                 -font font_ui \
2710                 -command "
2711                 clipboard clear
2712                 clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2713         "
2714
2715         bind $w <Visibility> "grab $w; focus $w"
2716         bind $w <Key-Escape> "destroy $w"
2717         bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2718         wm title $w "About [appname]"
2719         tkwait window $w
2720 }
2721
2722 proc do_options {} {
2723         global repo_config global_config font_descs
2724         global repo_config_new global_config_new
2725
2726         array unset repo_config_new
2727         array unset global_config_new
2728         foreach name [array names repo_config] {
2729                 set repo_config_new($name) $repo_config($name)
2730         }
2731         load_config 1
2732         foreach name [array names repo_config] {
2733                 switch -- $name {
2734                 gui.diffcontext {continue}
2735                 }
2736                 set repo_config_new($name) $repo_config($name)
2737         }
2738         foreach name [array names global_config] {
2739                 set global_config_new($name) $global_config($name)
2740         }
2741
2742         set w .options_editor
2743         toplevel $w
2744         wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2745
2746         label $w.header -text "[appname] Options" \
2747                 -font font_uibold
2748         pack $w.header -side top -fill x
2749
2750         frame $w.buttons
2751         button $w.buttons.restore -text {Restore Defaults} \
2752                 -font font_ui \
2753                 -command do_restore_defaults
2754         pack $w.buttons.restore -side left
2755         button $w.buttons.save -text Save \
2756                 -font font_ui \
2757                 -command [list do_save_config $w]
2758         pack $w.buttons.save -side right
2759         button $w.buttons.cancel -text {Cancel} \
2760                 -font font_ui \
2761                 -command [list destroy $w]
2762         pack $w.buttons.cancel -side right -padx 5
2763         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2764
2765         labelframe $w.repo -text "[reponame] Repository" \
2766                 -font font_ui \
2767                 -relief raised -borderwidth 2
2768         labelframe $w.global -text {Global (All Repositories)} \
2769                 -font font_ui \
2770                 -relief raised -borderwidth 2
2771         pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2772         pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2773
2774         foreach option {
2775                 {b partialinclude {Allow Partially Added Files}}
2776                 {b pullsummary {Show Pull Summary}}
2777                 {b trustmtime  {Trust File Modification Timestamps}}
2778                 {i diffcontext {Number of Diff Context Lines}}
2779                 } {
2780                 set type [lindex $option 0]
2781                 set name [lindex $option 1]
2782                 set text [lindex $option 2]
2783                 foreach f {repo global} {
2784                         switch $type {
2785                         b {
2786                                 checkbutton $w.$f.$name -text $text \
2787                                         -variable ${f}_config_new(gui.$name) \
2788                                         -onvalue true \
2789                                         -offvalue false \
2790                                         -font font_ui
2791                                 pack $w.$f.$name -side top -anchor w
2792                         }
2793                         i {
2794                                 frame $w.$f.$name
2795                                 label $w.$f.$name.l -text "$text:" -font font_ui
2796                                 pack $w.$f.$name.l -side left -anchor w -fill x
2797                                 spinbox $w.$f.$name.v \
2798                                         -textvariable ${f}_config_new(gui.$name) \
2799                                         -from 1 -to 99 -increment 1 \
2800                                         -width 3 \
2801                                         -font font_ui
2802                                 pack $w.$f.$name.v -side right -anchor e
2803                                 pack $w.$f.$name -side top -anchor w -fill x
2804                         }
2805                         }
2806                 }
2807         }
2808
2809         set all_fonts [lsort [font families]]
2810         foreach option $font_descs {
2811                 set name [lindex $option 0]
2812                 set font [lindex $option 1]
2813                 set text [lindex $option 2]
2814
2815                 set global_config_new(gui.$font^^family) \
2816                         [font configure $font -family]
2817                 set global_config_new(gui.$font^^size) \
2818                         [font configure $font -size]
2819
2820                 frame $w.global.$name
2821                 label $w.global.$name.l -text "$text:" -font font_ui
2822                 pack $w.global.$name.l -side left -anchor w -fill x
2823                 eval tk_optionMenu $w.global.$name.family \
2824                         global_config_new(gui.$font^^family) \
2825                         $all_fonts
2826                 spinbox $w.global.$name.size \
2827                         -textvariable global_config_new(gui.$font^^size) \
2828                         -from 2 -to 80 -increment 1 \
2829                         -width 3 \
2830                         -font font_ui
2831                 pack $w.global.$name.size -side right -anchor e
2832                 pack $w.global.$name.family -side right -anchor e
2833                 pack $w.global.$name -side top -anchor w -fill x
2834         }
2835
2836         bind $w <Visibility> "grab $w; focus $w"
2837         bind $w <Key-Escape> "destroy $w"
2838         wm title $w "[appname] ([reponame]): Options"
2839         tkwait window $w
2840 }
2841
2842 proc do_restore_defaults {} {
2843         global font_descs default_config repo_config
2844         global repo_config_new global_config_new
2845
2846         foreach name [array names default_config] {
2847                 set repo_config_new($name) $default_config($name)
2848                 set global_config_new($name) $default_config($name)
2849         }
2850
2851         foreach option $font_descs {
2852                 set name [lindex $option 0]
2853                 set repo_config(gui.$name) $default_config(gui.$name)
2854         }
2855         apply_config
2856
2857         foreach option $font_descs {
2858                 set name [lindex $option 0]
2859                 set font [lindex $option 1]
2860                 set global_config_new(gui.$font^^family) \
2861                         [font configure $font -family]
2862                 set global_config_new(gui.$font^^size) \
2863                         [font configure $font -size]
2864         }
2865 }
2866
2867 proc do_save_config {w} {
2868         if {[catch {save_config} err]} {
2869                 error_popup "Failed to completely save options:\n\n$err"
2870         }
2871         reshow_diff
2872         destroy $w
2873 }
2874
2875 proc do_windows_shortcut {} {
2876         global argv0
2877
2878         if {[catch {
2879                 set desktop [exec cygpath \
2880                         --windows \
2881                         --absolute \
2882                         --long-name \
2883                         --desktop]
2884                 }]} {
2885                         set desktop .
2886         }
2887         set fn [tk_getSaveFile \
2888                 -parent . \
2889                 -title "[appname] ([reponame]): Create Desktop Icon" \
2890                 -initialdir $desktop \
2891                 -initialfile "Git [reponame].bat"]
2892         if {$fn != {}} {
2893                 if {[catch {
2894                                 set fd [open $fn w]
2895                                 set sh [exec cygpath \
2896                                         --windows \
2897                                         --absolute \
2898                                         /bin/sh]
2899                                 set me [exec cygpath \
2900                                         --unix \
2901                                         --absolute \
2902                                         $argv0]
2903                                 set gd [exec cygpath \
2904                                         --unix \
2905                                         --absolute \
2906                                         [gitdir]]
2907                                 set gw [exec cygpath \
2908                                         --windows \
2909                                         --absolute \
2910                                         [file dirname [gitdir]]]
2911                                 regsub -all ' $me "'\\''" me
2912                                 regsub -all ' $gd "'\\''" gd
2913                                 puts $fd "@ECHO Entering $gw"
2914                                 puts $fd "@ECHO Starting git-gui... please wait..."
2915                                 puts -nonewline $fd "@\"$sh\" --login -c \""
2916                                 puts -nonewline $fd "GIT_DIR='$gd'"
2917                                 puts -nonewline $fd " '$me'"
2918                                 puts $fd "&\""
2919                                 close $fd
2920                         } err]} {
2921                         error_popup "Cannot write script:\n\n$err"
2922                 }
2923         }
2924 }
2925
2926 proc do_macosx_app {} {
2927         global argv0 env
2928
2929         set fn [tk_getSaveFile \
2930                 -parent . \
2931                 -title "[appname] ([reponame]): Create Desktop Icon" \
2932                 -initialdir [file join $env(HOME) Desktop] \
2933                 -initialfile "Git [reponame].app"]
2934         if {$fn != {}} {
2935                 if {[catch {
2936                                 set Contents [file join $fn Contents]
2937                                 set MacOS [file join $Contents MacOS]
2938                                 set exe [file join $MacOS git-gui]
2939
2940                                 file mkdir $MacOS
2941
2942                                 set fd [open [file join $Contents Info.plist] w]
2943                                 puts $fd {<?xml version="1.0" encoding="UTF-8"?>
2944 <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
2945 <plist version="1.0">
2946 <dict>
2947         <key>CFBundleDevelopmentRegion</key>
2948         <string>English</string>
2949         <key>CFBundleExecutable</key>
2950         <string>git-gui</string>
2951         <key>CFBundleIdentifier</key>
2952         <string>org.spearce.git-gui</string>
2953         <key>CFBundleInfoDictionaryVersion</key>
2954         <string>6.0</string>
2955         <key>CFBundlePackageType</key>
2956         <string>APPL</string>
2957         <key>CFBundleSignature</key>
2958         <string>????</string>
2959         <key>CFBundleVersion</key>
2960         <string>1.0</string>
2961         <key>NSPrincipalClass</key>
2962         <string>NSApplication</string>
2963 </dict>
2964 </plist>}
2965                                 close $fd
2966
2967                                 set fd [open $exe w]
2968                                 set gd [file normalize [gitdir]]
2969                                 set ep [file normalize [exec git --exec-path]]
2970                                 regsub -all ' $gd "'\\''" gd
2971                                 regsub -all ' $ep "'\\''" ep
2972                                 puts $fd "#!/bin/sh"
2973                                 foreach name [array names env] {
2974                                         if {[string match GIT_* $name]} {
2975                                                 regsub -all ' $env($name) "'\\''" v
2976                                                 puts $fd "export $name='$v'"
2977                                         }
2978                                 }
2979                                 puts $fd "export PATH='$ep':\$PATH"
2980                                 puts $fd "export GIT_DIR='$gd'"
2981                                 puts $fd "exec [file normalize $argv0]"
2982                                 close $fd
2983
2984                                 file attributes $exe -permissions u+x,g+x,o+x
2985                         } err]} {
2986                         error_popup "Cannot write icon:\n\n$err"
2987                 }
2988         }
2989 }
2990
2991 proc toggle_or_diff {w x y} {
2992         global file_states file_lists current_diff ui_index ui_workdir
2993         global last_clicked selected_paths
2994
2995         set pos [split [$w index @$x,$y] .]
2996         set lno [lindex $pos 0]
2997         set col [lindex $pos 1]
2998         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2999         if {$path eq {}} {
3000                 set last_clicked {}
3001                 return
3002         }
3003
3004         set last_clicked [list $w $lno]
3005         array unset selected_paths
3006         $ui_index tag remove in_sel 0.0 end
3007         $ui_workdir tag remove in_sel 0.0 end
3008
3009         if {$col == 0} {
3010                 if {$current_diff eq $path} {
3011                         set after {reshow_diff;}
3012                 } else {
3013                         set after {}
3014                 }
3015                 if {$w eq $ui_index} {
3016                         update_indexinfo \
3017                                 "Unstaging [short_path $path] from commit" \
3018                                 [list $path] \
3019                                 [concat $after {set ui_status_value {Ready.}}]
3020                 } elseif {$w eq $ui_workdir} {
3021                         update_index \
3022                                 "Adding [short_path $path]" \
3023                                 [list $path] \
3024                                 [concat $after {set ui_status_value {Ready.}}]
3025                 }
3026         } else {
3027                 show_diff $path $w $lno
3028         }
3029 }
3030
3031 proc add_one_to_selection {w x y} {
3032         global file_lists last_clicked selected_paths
3033
3034         set lno [lindex [split [$w index @$x,$y] .] 0]
3035         set path [lindex $file_lists($w) [expr {$lno - 1}]]
3036         if {$path eq {}} {
3037                 set last_clicked {}
3038                 return
3039         }
3040
3041         if {$last_clicked ne {}
3042                 && [lindex $last_clicked 0] ne $w} {
3043                 array unset selected_paths
3044                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
3045         }
3046
3047         set last_clicked [list $w $lno]
3048         if {[catch {set in_sel $selected_paths($path)}]} {
3049                 set in_sel 0
3050         }
3051         if {$in_sel} {
3052                 unset selected_paths($path)
3053                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
3054         } else {
3055                 set selected_paths($path) 1
3056                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3057         }
3058 }
3059
3060 proc add_range_to_selection {w x y} {
3061         global file_lists last_clicked selected_paths
3062
3063         if {[lindex $last_clicked 0] ne $w} {
3064                 toggle_or_diff $w $x $y
3065                 return
3066         }
3067
3068         set lno [lindex [split [$w index @$x,$y] .] 0]
3069         set lc [lindex $last_clicked 1]
3070         if {$lc < $lno} {
3071                 set begin $lc
3072                 set end $lno
3073         } else {
3074                 set begin $lno
3075                 set end $lc
3076         }
3077
3078         foreach path [lrange $file_lists($w) \
3079                 [expr {$begin - 1}] \
3080                 [expr {$end - 1}]] {
3081                 set selected_paths($path) 1
3082         }
3083         $w tag add in_sel $begin.0 [expr {$end + 1}].0
3084 }
3085
3086 ######################################################################
3087 ##
3088 ## config defaults
3089
3090 set cursor_ptr arrow
3091 font create font_diff -family Courier -size 10
3092 font create font_ui
3093 catch {
3094         label .dummy
3095         eval font configure font_ui [font actual [.dummy cget -font]]
3096         destroy .dummy
3097 }
3098
3099 font create font_uibold
3100 font create font_diffbold
3101
3102 if {[is_Windows]} {
3103         set M1B Control
3104         set M1T Ctrl
3105 } elseif {[is_MacOSX]} {
3106         set M1B M1
3107         set M1T Cmd
3108 } else {
3109         set M1B M1
3110         set M1T M1
3111 }
3112
3113 proc apply_config {} {
3114         global repo_config font_descs
3115
3116         foreach option $font_descs {
3117                 set name [lindex $option 0]
3118                 set font [lindex $option 1]
3119                 if {[catch {
3120                         foreach {cn cv} $repo_config(gui.$name) {
3121                                 font configure $font $cn $cv
3122                         }
3123                         } err]} {
3124                         error_popup "Invalid font specified in gui.$name:\n\n$err"
3125                 }
3126                 foreach {cn cv} [font configure $font] {
3127                         font configure ${font}bold $cn $cv
3128                 }
3129                 font configure ${font}bold -weight bold
3130         }
3131 }
3132
3133 set default_config(gui.trustmtime) false
3134 set default_config(gui.pullsummary) true
3135 set default_config(gui.partialinclude) false
3136 set default_config(gui.diffcontext) 5
3137 set default_config(gui.fontui) [font configure font_ui]
3138 set default_config(gui.fontdiff) [font configure font_diff]
3139 set font_descs {
3140         {fontui   font_ui   {Main Font}}
3141         {fontdiff font_diff {Diff/Console Font}}
3142 }
3143 load_config 0
3144 apply_config
3145
3146 ######################################################################
3147 ##
3148 ## ui construction
3149
3150 # -- Menu Bar
3151 #
3152 menu .mbar -tearoff 0
3153 .mbar add cascade -label Repository -menu .mbar.repository
3154 .mbar add cascade -label Edit -menu .mbar.edit
3155 if {!$single_commit} {
3156         .mbar add cascade -label Branch -menu .mbar.branch
3157 }
3158 .mbar add cascade -label Commit -menu .mbar.commit
3159 if {!$single_commit} {
3160         .mbar add cascade -label Fetch -menu .mbar.fetch
3161         .mbar add cascade -label Pull -menu .mbar.pull
3162         .mbar add cascade -label Push -menu .mbar.push
3163 }
3164 . configure -menu .mbar
3165
3166 # -- Repository Menu
3167 #
3168 menu .mbar.repository
3169 .mbar.repository add command \
3170         -label {Visualize Current Branch} \
3171         -command {do_gitk {}} \
3172         -font font_ui
3173 if {![is_MacOSX]} {
3174         .mbar.repository add command \
3175                 -label {Visualize All Branches} \
3176                 -command {do_gitk {--all}} \
3177                 -font font_ui
3178 }
3179 .mbar.repository add separator
3180
3181 if {!$single_commit} {
3182         .mbar.repository add command -label {Compress Database} \
3183                 -command do_gc \
3184                 -font font_ui
3185
3186         .mbar.repository add command -label {Verify Database} \
3187                 -command do_fsck_objects \
3188                 -font font_ui
3189
3190         .mbar.repository add separator
3191
3192         if {[is_Windows]} {
3193                 .mbar.repository add command \
3194                         -label {Create Desktop Icon} \
3195                         -command do_windows_shortcut \
3196                         -font font_ui
3197         } elseif {[is_MacOSX]} {
3198                 .mbar.repository add command \
3199                         -label {Create Desktop Icon} \
3200                         -command do_macosx_app \
3201                         -font font_ui
3202         }
3203 }
3204
3205 .mbar.repository add command -label Quit \
3206         -command do_quit \
3207         -accelerator $M1T-Q \
3208         -font font_ui
3209
3210 # -- Edit Menu
3211 #
3212 menu .mbar.edit
3213 .mbar.edit add command -label Undo \
3214         -command {catch {[focus] edit undo}} \
3215         -accelerator $M1T-Z \
3216         -font font_ui
3217 .mbar.edit add command -label Redo \
3218         -command {catch {[focus] edit redo}} \
3219         -accelerator $M1T-Y \
3220         -font font_ui
3221 .mbar.edit add separator
3222 .mbar.edit add command -label Cut \
3223         -command {catch {tk_textCut [focus]}} \
3224         -accelerator $M1T-X \
3225         -font font_ui
3226 .mbar.edit add command -label Copy \
3227         -command {catch {tk_textCopy [focus]}} \
3228         -accelerator $M1T-C \
3229         -font font_ui
3230 .mbar.edit add command -label Paste \
3231         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3232         -accelerator $M1T-V \
3233         -font font_ui
3234 .mbar.edit add command -label Delete \
3235         -command {catch {[focus] delete sel.first sel.last}} \
3236         -accelerator Del \
3237         -font font_ui
3238 .mbar.edit add separator
3239 .mbar.edit add command -label {Select All} \
3240         -command {catch {[focus] tag add sel 0.0 end}} \
3241         -accelerator $M1T-A \
3242         -font font_ui
3243
3244 # -- Branch Menu
3245 #
3246 if {!$single_commit} {
3247         menu .mbar.branch
3248
3249         .mbar.branch add command -label {Create...} \
3250                 -command do_create_branch \
3251                 -accelerator $M1T-N \
3252                 -font font_ui
3253         lappend disable_on_lock [list .mbar.branch entryconf \
3254                 [.mbar.branch index last] -state]
3255
3256         .mbar.branch add command -label {Delete...} \
3257                 -command do_delete_branch \
3258                 -font font_ui
3259         lappend disable_on_lock [list .mbar.branch entryconf \
3260                 [.mbar.branch index last] -state]
3261 }
3262
3263 # -- Commit Menu
3264 #
3265 menu .mbar.commit
3266
3267 .mbar.commit add radiobutton \
3268         -label {New Commit} \
3269         -command do_select_commit_type \
3270         -variable selected_commit_type \
3271         -value new \
3272         -font font_ui
3273 lappend disable_on_lock \
3274         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3275
3276 .mbar.commit add radiobutton \
3277         -label {Amend Last Commit} \
3278         -command do_select_commit_type \
3279         -variable selected_commit_type \
3280         -value amend \
3281         -font font_ui
3282 lappend disable_on_lock \
3283         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3284
3285 .mbar.commit add separator
3286
3287 .mbar.commit add command -label Rescan \
3288         -command do_rescan \
3289         -accelerator F5 \
3290         -font font_ui
3291 lappend disable_on_lock \
3292         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3293
3294 .mbar.commit add command -label {Add To Commit} \
3295         -command do_add_selection \
3296         -font font_ui
3297 lappend disable_on_lock \
3298         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3299
3300 .mbar.commit add command -label {Add All To Commit} \
3301         -command do_add_all \
3302         -accelerator $M1T-I \
3303         -font font_ui
3304 lappend disable_on_lock \
3305         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3306
3307 .mbar.commit add command -label {Unstage From Commit} \
3308         -command do_unstage_selection \
3309         -font font_ui
3310 lappend disable_on_lock \
3311         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3312
3313 .mbar.commit add command -label {Revert Changes} \
3314         -command do_revert_selection \
3315         -font font_ui
3316 lappend disable_on_lock \
3317         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3318
3319 .mbar.commit add separator
3320
3321 .mbar.commit add command -label {Sign Off} \
3322         -command do_signoff \
3323         -accelerator $M1T-S \
3324         -font font_ui
3325
3326 .mbar.commit add command -label Commit \
3327         -command do_commit \
3328         -accelerator $M1T-Return \
3329         -font font_ui
3330 lappend disable_on_lock \
3331         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3332
3333 # -- Transport menus
3334 #
3335 if {!$single_commit} {
3336         menu .mbar.fetch
3337         menu .mbar.pull
3338         menu .mbar.push
3339 }
3340
3341 if {[is_MacOSX]} {
3342         # -- Apple Menu (Mac OS X only)
3343         #
3344         .mbar add cascade -label Apple -menu .mbar.apple
3345         menu .mbar.apple
3346
3347         .mbar.apple add command -label "About [appname]" \
3348                 -command do_about \
3349                 -font font_ui
3350         .mbar.apple add command -label "[appname] Options..." \
3351                 -command do_options \
3352                 -font font_ui
3353 } else {
3354         # -- Edit Menu
3355         #
3356         .mbar.edit add separator
3357         .mbar.edit add command -label {Options...} \
3358                 -command do_options \
3359                 -font font_ui
3360
3361         # -- Tools Menu
3362         #
3363         if {[file exists /usr/local/miga/lib/gui-miga]
3364                 && [file exists .pvcsrc]} {
3365         proc do_miga {} {
3366                 global ui_status_value
3367                 if {![lock_index update]} return
3368                 set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3369                 set miga_fd [open "|$cmd" r]
3370                 fconfigure $miga_fd -blocking 0
3371                 fileevent $miga_fd readable [list miga_done $miga_fd]
3372                 set ui_status_value {Running miga...}
3373         }
3374         proc miga_done {fd} {
3375                 read $fd 512
3376                 if {[eof $fd]} {
3377                         close $fd
3378                         unlock_index
3379                         rescan [list set ui_status_value {Ready.}]
3380                 }
3381         }
3382         .mbar add cascade -label Tools -menu .mbar.tools
3383         menu .mbar.tools
3384         .mbar.tools add command -label "Migrate" \
3385                 -command do_miga \
3386                 -font font_ui
3387         lappend disable_on_lock \
3388                 [list .mbar.tools entryconf [.mbar.tools index last] -state]
3389         }
3390
3391         # -- Help Menu
3392         #
3393         .mbar add cascade -label Help -menu .mbar.help
3394         menu .mbar.help
3395
3396         .mbar.help add command -label "About [appname]" \
3397                 -command do_about \
3398                 -font font_ui
3399 }
3400
3401
3402 # -- Branch Control
3403 #
3404 frame .branch \
3405         -borderwidth 1 \
3406         -relief sunken
3407 label .branch.l1 \
3408         -text {Current Branch:} \
3409         -anchor w \
3410         -justify left \
3411         -font font_ui
3412 label .branch.cb \
3413         -textvariable current_branch \
3414         -anchor w \
3415         -justify left \
3416         -font font_ui
3417 pack .branch.l1 -side left
3418 pack .branch.cb -side left -fill x
3419 pack .branch -side top -fill x
3420
3421 # -- Main Window Layout
3422 #
3423 panedwindow .vpane -orient vertical
3424 panedwindow .vpane.files -orient horizontal
3425 .vpane add .vpane.files -sticky nsew -height 100 -width 400
3426 pack .vpane -anchor n -side top -fill both -expand 1
3427
3428 # -- Index File List
3429 #
3430 frame .vpane.files.index -height 100 -width 400
3431 label .vpane.files.index.title -text {Changes To Be Committed} \
3432         -background green \
3433         -font font_ui
3434 text $ui_index -background white -borderwidth 0 \
3435         -width 40 -height 10 \
3436         -font font_ui \
3437         -cursor $cursor_ptr \
3438         -yscrollcommand {.vpane.files.index.sb set} \
3439         -state disabled
3440 scrollbar .vpane.files.index.sb -command [list $ui_index yview]
3441 pack .vpane.files.index.title -side top -fill x
3442 pack .vpane.files.index.sb -side right -fill y
3443 pack $ui_index -side left -fill both -expand 1
3444 .vpane.files add .vpane.files.index -sticky nsew
3445
3446 # -- Working Directory File List
3447 #
3448 frame .vpane.files.workdir -height 100 -width 100
3449 label .vpane.files.workdir.title -text {Changed But Not Updated} \
3450         -background red \
3451         -font font_ui
3452 text $ui_workdir -background white -borderwidth 0 \
3453         -width 40 -height 10 \
3454         -font font_ui \
3455         -cursor $cursor_ptr \
3456         -yscrollcommand {.vpane.files.workdir.sb set} \
3457         -state disabled
3458 scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
3459 pack .vpane.files.workdir.title -side top -fill x
3460 pack .vpane.files.workdir.sb -side right -fill y
3461 pack $ui_workdir -side left -fill both -expand 1
3462 .vpane.files add .vpane.files.workdir -sticky nsew
3463
3464 foreach i [list $ui_index $ui_workdir] {
3465         $i tag conf in_diff -font font_uibold
3466         $i tag conf in_sel \
3467                 -background [$i cget -foreground] \
3468                 -foreground [$i cget -background]
3469 }
3470 unset i
3471
3472 # -- Diff and Commit Area
3473 #
3474 frame .vpane.lower -height 300 -width 400
3475 frame .vpane.lower.commarea
3476 frame .vpane.lower.diff -relief sunken -borderwidth 1
3477 pack .vpane.lower.commarea -side top -fill x
3478 pack .vpane.lower.diff -side bottom -fill both -expand 1
3479 .vpane add .vpane.lower -stick nsew
3480
3481 # -- Commit Area Buttons
3482 #
3483 frame .vpane.lower.commarea.buttons
3484 label .vpane.lower.commarea.buttons.l -text {} \
3485         -anchor w \
3486         -justify left \
3487         -font font_ui
3488 pack .vpane.lower.commarea.buttons.l -side top -fill x
3489 pack .vpane.lower.commarea.buttons -side left -fill y
3490
3491 button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3492         -command do_rescan \
3493         -font font_ui
3494 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3495 lappend disable_on_lock \
3496         {.vpane.lower.commarea.buttons.rescan conf -state}
3497
3498 button .vpane.lower.commarea.buttons.incall -text {Add All} \
3499         -command do_add_all \
3500         -font font_ui
3501 pack .vpane.lower.commarea.buttons.incall -side top -fill x
3502 lappend disable_on_lock \
3503         {.vpane.lower.commarea.buttons.incall conf -state}
3504
3505 button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3506         -command do_signoff \
3507         -font font_ui
3508 pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3509
3510 button .vpane.lower.commarea.buttons.commit -text {Commit} \
3511         -command do_commit \
3512         -font font_ui
3513 pack .vpane.lower.commarea.buttons.commit -side top -fill x
3514 lappend disable_on_lock \
3515         {.vpane.lower.commarea.buttons.commit conf -state}
3516
3517 # -- Commit Message Buffer
3518 #
3519 frame .vpane.lower.commarea.buffer
3520 frame .vpane.lower.commarea.buffer.header
3521 set ui_comm .vpane.lower.commarea.buffer.t
3522 set ui_coml .vpane.lower.commarea.buffer.header.l
3523 radiobutton .vpane.lower.commarea.buffer.header.new \
3524         -text {New Commit} \
3525         -command do_select_commit_type \
3526         -variable selected_commit_type \
3527         -value new \
3528         -font font_ui
3529 lappend disable_on_lock \
3530         [list .vpane.lower.commarea.buffer.header.new conf -state]
3531 radiobutton .vpane.lower.commarea.buffer.header.amend \
3532         -text {Amend Last Commit} \
3533         -command do_select_commit_type \
3534         -variable selected_commit_type \
3535         -value amend \
3536         -font font_ui
3537 lappend disable_on_lock \
3538         [list .vpane.lower.commarea.buffer.header.amend conf -state]
3539 label $ui_coml \
3540         -anchor w \
3541         -justify left \
3542         -font font_ui
3543 proc trace_commit_type {varname args} {
3544         global ui_coml commit_type
3545         switch -glob -- $commit_type {
3546         initial       {set txt {Initial Commit Message:}}
3547         amend         {set txt {Amended Commit Message:}}
3548         amend-initial {set txt {Amended Initial Commit Message:}}
3549         amend-merge   {set txt {Amended Merge Commit Message:}}
3550         merge         {set txt {Merge Commit Message:}}
3551         *             {set txt {Commit Message:}}
3552         }
3553         $ui_coml conf -text $txt
3554 }
3555 trace add variable commit_type write trace_commit_type
3556 pack $ui_coml -side left -fill x
3557 pack .vpane.lower.commarea.buffer.header.amend -side right
3558 pack .vpane.lower.commarea.buffer.header.new -side right
3559
3560 text $ui_comm -background white -borderwidth 1 \
3561         -undo true \
3562         -maxundo 20 \
3563         -autoseparators true \
3564         -relief sunken \
3565         -width 75 -height 9 -wrap none \
3566         -font font_diff \
3567         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3568 scrollbar .vpane.lower.commarea.buffer.sby \
3569         -command [list $ui_comm yview]
3570 pack .vpane.lower.commarea.buffer.header -side top -fill x
3571 pack .vpane.lower.commarea.buffer.sby -side right -fill y
3572 pack $ui_comm -side left -fill y
3573 pack .vpane.lower.commarea.buffer -side left -fill y
3574
3575 # -- Commit Message Buffer Context Menu
3576 #
3577 set ctxm .vpane.lower.commarea.buffer.ctxm
3578 menu $ctxm -tearoff 0
3579 $ctxm add command \
3580         -label {Cut} \
3581         -font font_ui \
3582         -command {tk_textCut $ui_comm}
3583 $ctxm add command \
3584         -label {Copy} \
3585         -font font_ui \
3586         -command {tk_textCopy $ui_comm}
3587 $ctxm add command \
3588         -label {Paste} \
3589         -font font_ui \
3590         -command {tk_textPaste $ui_comm}
3591 $ctxm add command \
3592         -label {Delete} \
3593         -font font_ui \
3594         -command {$ui_comm delete sel.first sel.last}
3595 $ctxm add separator
3596 $ctxm add command \
3597         -label {Select All} \
3598         -font font_ui \
3599         -command {$ui_comm tag add sel 0.0 end}
3600 $ctxm add command \
3601         -label {Copy All} \
3602         -font font_ui \
3603         -command {
3604                 $ui_comm tag add sel 0.0 end
3605                 tk_textCopy $ui_comm
3606                 $ui_comm tag remove sel 0.0 end
3607         }
3608 $ctxm add separator
3609 $ctxm add command \
3610         -label {Sign Off} \
3611         -font font_ui \
3612         -command do_signoff
3613 bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3614
3615 # -- Diff Header
3616 #
3617 set current_diff {}
3618 set diff_actions [list]
3619 proc trace_current_diff {varname args} {
3620         global current_diff diff_actions file_states
3621         if {$current_diff eq {}} {
3622                 set s {}
3623                 set f {}
3624                 set p {}
3625                 set o disabled
3626         } else {
3627                 set p $current_diff
3628                 set s [mapdesc [lindex $file_states($p) 0] $p]
3629                 set f {File:}
3630                 set p [escape_path $p]
3631                 set o normal
3632         }
3633
3634         .vpane.lower.diff.header.status configure -text $s
3635         .vpane.lower.diff.header.file configure -text $f
3636         .vpane.lower.diff.header.path configure -text $p
3637         foreach w $diff_actions {
3638                 uplevel #0 $w $o
3639         }
3640 }
3641 trace add variable current_diff write trace_current_diff
3642
3643 frame .vpane.lower.diff.header -background orange
3644 label .vpane.lower.diff.header.status \
3645         -background orange \
3646         -width $max_status_desc \
3647         -anchor w \
3648         -justify left \
3649         -font font_ui
3650 label .vpane.lower.diff.header.file \
3651         -background orange \
3652         -anchor w \
3653         -justify left \
3654         -font font_ui
3655 label .vpane.lower.diff.header.path \
3656         -background orange \
3657         -anchor w \
3658         -justify left \
3659         -font font_ui
3660 pack .vpane.lower.diff.header.status -side left
3661 pack .vpane.lower.diff.header.file -side left
3662 pack .vpane.lower.diff.header.path -fill x
3663 set ctxm .vpane.lower.diff.header.ctxm
3664 menu $ctxm -tearoff 0
3665 $ctxm add command \
3666         -label {Copy} \
3667         -font font_ui \
3668         -command {
3669                 clipboard clear
3670                 clipboard append \
3671                         -format STRING \
3672                         -type STRING \
3673                         -- $current_diff
3674         }
3675 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3676 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3677
3678 # -- Diff Body
3679 #
3680 frame .vpane.lower.diff.body
3681 set ui_diff .vpane.lower.diff.body.t
3682 text $ui_diff -background white -borderwidth 0 \
3683         -width 80 -height 15 -wrap none \
3684         -font font_diff \
3685         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3686         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3687         -state disabled
3688 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3689         -command [list $ui_diff xview]
3690 scrollbar .vpane.lower.diff.body.sby -orient vertical \
3691         -command [list $ui_diff yview]
3692 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3693 pack .vpane.lower.diff.body.sby -side right -fill y
3694 pack $ui_diff -side left -fill both -expand 1
3695 pack .vpane.lower.diff.header -side top -fill x
3696 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3697
3698 $ui_diff tag conf d_@ -font font_diffbold
3699 $ui_diff tag conf d_+  -foreground blue
3700 $ui_diff tag conf d_-  -foreground red
3701 $ui_diff tag conf d_++ -foreground {#00a000}
3702 $ui_diff tag conf d_-- -foreground {#a000a0}
3703 $ui_diff tag conf d_+- \
3704         -foreground red \
3705         -background {light goldenrod yellow}
3706 $ui_diff tag conf d_-+ \
3707         -foreground blue \
3708         -background azure2
3709
3710 # -- Diff Body Context Menu
3711 #
3712 set ctxm .vpane.lower.diff.body.ctxm
3713 menu $ctxm -tearoff 0
3714 $ctxm add command \
3715         -label {Copy} \
3716         -font font_ui \
3717         -command {tk_textCopy $ui_diff}
3718 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3719 $ctxm add command \
3720         -label {Select All} \
3721         -font font_ui \
3722         -command {$ui_diff tag add sel 0.0 end}
3723 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3724 $ctxm add command \
3725         -label {Copy All} \
3726         -font font_ui \
3727         -command {
3728                 $ui_diff tag add sel 0.0 end
3729                 tk_textCopy $ui_diff
3730                 $ui_diff tag remove sel 0.0 end
3731         }
3732 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3733 $ctxm add separator
3734 $ctxm add command \
3735         -label {Decrease Font Size} \
3736         -font font_ui \
3737         -command {incr_font_size font_diff -1}
3738 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3739 $ctxm add command \
3740         -label {Increase Font Size} \
3741         -font font_ui \
3742         -command {incr_font_size font_diff 1}
3743 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3744 $ctxm add separator
3745 $ctxm add command \
3746         -label {Show Less Context} \
3747         -font font_ui \
3748         -command {if {$repo_config(gui.diffcontext) >= 2} {
3749                 incr repo_config(gui.diffcontext) -1
3750                 reshow_diff
3751         }}
3752 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3753 $ctxm add command \
3754         -label {Show More Context} \
3755         -font font_ui \
3756         -command {
3757                 incr repo_config(gui.diffcontext)
3758                 reshow_diff
3759         }
3760 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3761 $ctxm add separator
3762 $ctxm add command -label {Options...} \
3763         -font font_ui \
3764         -command do_options
3765 bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
3766
3767 # -- Status Bar
3768 #
3769 set ui_status_value {Initializing...}
3770 label .status -textvariable ui_status_value \
3771         -anchor w \
3772         -justify left \
3773         -borderwidth 1 \
3774         -relief sunken \
3775         -font font_ui
3776 pack .status -anchor w -side bottom -fill x
3777
3778 # -- Load geometry
3779 #
3780 catch {
3781 set gm $repo_config(gui.geometry)
3782 wm geometry . [lindex $gm 0]
3783 .vpane sash place 0 \
3784         [lindex [.vpane sash coord 0] 0] \
3785         [lindex $gm 1]
3786 .vpane.files sash place 0 \
3787         [lindex $gm 2] \
3788         [lindex [.vpane.files sash coord 0] 1]
3789 unset gm
3790 }
3791
3792 # -- Key Bindings
3793 #
3794 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3795 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3796 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3797 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3798 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3799 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3800 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3801 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3802 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3803 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3804 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3805
3806 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3807 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3808 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3809 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3810 bind $ui_diff <$M1B-Key-v> {break}
3811 bind $ui_diff <$M1B-Key-V> {break}
3812 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3813 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3814 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3815 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3816 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3817 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3818
3819 if {!$single_commit} {
3820         bind . <$M1B-Key-n> do_create_branch
3821         bind . <$M1B-Key-N> do_create_branch
3822 }
3823
3824 bind .   <Destroy> do_quit
3825 bind all <Key-F5> do_rescan
3826 bind all <$M1B-Key-r> do_rescan
3827 bind all <$M1B-Key-R> do_rescan
3828 bind .   <$M1B-Key-s> do_signoff
3829 bind .   <$M1B-Key-S> do_signoff
3830 bind .   <$M1B-Key-i> do_add_all
3831 bind .   <$M1B-Key-I> do_add_all
3832 bind .   <$M1B-Key-Return> do_commit
3833 bind all <$M1B-Key-q> do_quit
3834 bind all <$M1B-Key-Q> do_quit
3835 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3836 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3837 foreach i [list $ui_index $ui_workdir] {
3838         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3839         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3840         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3841 }
3842 unset i
3843
3844 set file_lists($ui_index) [list]
3845 set file_lists($ui_workdir) [list]
3846
3847 set HEAD {}
3848 set PARENT {}
3849 set MERGE_HEAD [list]
3850 set commit_type {}
3851 set empty_tree {}
3852 set current_branch {}
3853 set current_diff {}
3854 set selected_commit_type new
3855
3856 wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
3857 focus -force $ui_comm
3858
3859 # -- Warn the user about environmental problems.  Cygwin's Tcl
3860 #    does *not* pass its env array onto any processes it spawns.
3861 #    This means that git processes get none of our environment.
3862 #
3863 if {[is_Windows]} {
3864         set ignored_env 0
3865         set suggest_user {}
3866         set msg "Possible environment issues exist.
3867
3868 The following environment variables are probably
3869 going to be ignored by any Git subprocess run
3870 by [appname]:
3871
3872 "
3873         foreach name [array names env] {
3874                 switch -regexp -- $name {
3875                 {^GIT_INDEX_FILE$} -
3876                 {^GIT_OBJECT_DIRECTORY$} -
3877                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3878                 {^GIT_DIFF_OPTS$} -
3879                 {^GIT_EXTERNAL_DIFF$} -
3880                 {^GIT_PAGER$} -
3881                 {^GIT_TRACE$} -
3882                 {^GIT_CONFIG$} -
3883                 {^GIT_CONFIG_LOCAL$} -
3884                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3885                         append msg " - $name\n"
3886                         incr ignored_env
3887                 }
3888                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3889                         append msg " - $name\n"
3890                         incr ignored_env
3891                         set suggest_user $name
3892                 }
3893                 }
3894         }
3895         if {$ignored_env > 0} {
3896                 append msg "
3897 This is due to a known issue with the
3898 Tcl binary distributed by Cygwin."
3899
3900                 if {$suggest_user ne {}} {
3901                         append msg "
3902
3903 A good replacement for $suggest_user
3904 is placing values for the user.name and
3905 user.email settings into your personal
3906 ~/.gitconfig file.
3907 "
3908                 }
3909                 warn_popup $msg
3910         }
3911         unset ignored_env msg suggest_user name
3912 }
3913
3914 # -- Only initialize complex UI if we are going to stay running.
3915 #
3916 if {!$single_commit} {
3917         load_all_remotes
3918         load_all_heads
3919
3920         populate_branch_menu
3921         populate_fetch_menu .mbar.fetch
3922         populate_pull_menu .mbar.pull
3923         populate_push_menu .mbar.push
3924 }
3925
3926 # -- Only suggest a gc run if we are going to stay running.
3927 #
3928 if {!$single_commit} {
3929         set object_limit 2000
3930         if {[is_Windows]} {set object_limit 200}
3931         regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
3932         if {$objects_current >= $object_limit} {
3933                 if {[ask_popup \
3934                         "This repository currently has $objects_current loose objects.
3935
3936 To maintain optimal performance it is strongly
3937 recommended that you compress the database
3938 when more than $object_limit loose objects exist.
3939
3940 Compress the database now?"] eq yes} {
3941                         do_gc
3942                 }
3943         }
3944         unset object_limit _junk objects_current
3945 }
3946
3947 lock_index begin-read
3948 after 1 do_rescan