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 selected_paths
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
1451                 puts -nonewline $fd "\t"
1452                 puts -nonewline $fd $path
1453                 puts -nonewline $fd "\0"
1454                 display_file $path $new
1455         }
1456
1457         set ui_status_value [format \
1458                 "$msg... %i/%i files (%.2f%%)" \
1459                 $update_index_cp \
1460                 $totalCnt \
1461                 [expr {100.0 * $update_index_cp / $totalCnt}]]
1462 }
1463
1464 proc update_index {msg pathList after} {
1465         global update_index_cp ui_status_value
1466
1467         if {![lock_index update]} return
1468
1469         set update_index_cp 0
1470         set pathList [lsort $pathList]
1471         set totalCnt [llength $pathList]
1472         set batch [expr {int($totalCnt * .01) + 1}]
1473         if {$batch > 25} {set batch 25}
1474
1475         set ui_status_value [format \
1476                 "$msg... %i/%i files (%.2f%%)" \
1477                 $update_index_cp \
1478                 $totalCnt \
1479                 0.0]
1480         set fd [open "| git update-index --add --remove -z --stdin" w]
1481         fconfigure $fd \
1482                 -blocking 0 \
1483                 -buffering full \
1484                 -buffersize 512 \
1485                 -translation binary
1486         fileevent $fd writable [list \
1487                 write_update_index \
1488                 $fd \
1489                 $pathList \
1490                 $totalCnt \
1491                 $batch \
1492                 $msg \
1493                 $after \
1494                 ]
1495 }
1496
1497 proc write_update_index {fd pathList totalCnt batch msg after} {
1498         global update_index_cp ui_status_value
1499         global file_states current_diff
1500
1501         if {$update_index_cp >= $totalCnt} {
1502                 close $fd
1503                 unlock_index
1504                 uplevel #0 $after
1505                 return
1506         }
1507
1508         for {set i $batch} \
1509                 {$update_index_cp < $totalCnt && $i > 0} \
1510                 {incr i -1} {
1511                 set path [lindex $pathList $update_index_cp]
1512                 incr update_index_cp
1513
1514                 switch -glob -- [lindex $file_states($path) 0] {
1515                 AD -
1516                 MD -
1517                 UD -
1518                 _D {set new D_}
1519
1520                 _M -
1521                 MM -
1522                 UM -
1523                 U_ -
1524                 M_ {set new M_}
1525
1526                 _O -
1527                 AM -
1528                 A_ {set new A_}
1529
1530                 ?? {continue}
1531                 }
1532
1533                 puts -nonewline $fd $path
1534                 puts -nonewline $fd "\0"
1535                 display_file $path $new
1536         }
1537
1538         set ui_status_value [format \
1539                 "$msg... %i/%i files (%.2f%%)" \
1540                 $update_index_cp \
1541                 $totalCnt \
1542                 [expr {100.0 * $update_index_cp / $totalCnt}]]
1543 }
1544
1545 proc checkout_index {msg pathList after} {
1546         global update_index_cp ui_status_value
1547
1548         if {![lock_index update]} return
1549
1550         set update_index_cp 0
1551         set pathList [lsort $pathList]
1552         set totalCnt [llength $pathList]
1553         set batch [expr {int($totalCnt * .01) + 1}]
1554         if {$batch > 25} {set batch 25}
1555
1556         set ui_status_value [format \
1557                 "$msg... %i/%i files (%.2f%%)" \
1558                 $update_index_cp \
1559                 $totalCnt \
1560                 0.0]
1561         set cmd [list git checkout-index]
1562         lappend cmd --index
1563         lappend cmd --quiet
1564         lappend cmd --force
1565         lappend cmd -z
1566         lappend cmd --stdin
1567         set fd [open "| $cmd " w]
1568         fconfigure $fd \
1569                 -blocking 0 \
1570                 -buffering full \
1571                 -buffersize 512 \
1572                 -translation binary
1573         fileevent $fd writable [list \
1574                 write_checkout_index \
1575                 $fd \
1576                 $pathList \
1577                 $totalCnt \
1578                 $batch \
1579                 $msg \
1580                 $after \
1581                 ]
1582 }
1583
1584 proc write_checkout_index {fd pathList totalCnt batch msg after} {
1585         global update_index_cp ui_status_value
1586         global file_states current_diff
1587
1588         if {$update_index_cp >= $totalCnt} {
1589                 close $fd
1590                 unlock_index
1591                 uplevel #0 $after
1592                 return
1593         }
1594
1595         for {set i $batch} \
1596                 {$update_index_cp < $totalCnt && $i > 0} \
1597                 {incr i -1} {
1598                 set path [lindex $pathList $update_index_cp]
1599                 incr update_index_cp
1600
1601                 switch -glob -- [lindex $file_states($path) 0] {
1602                 AM -
1603                 AD {set new A_}
1604                 MM -
1605                 MD {set new M_}
1606                 _M -
1607                 _D {set new __}
1608                 ?? {continue}
1609                 }
1610
1611                 puts -nonewline $fd $path
1612                 puts -nonewline $fd "\0"
1613                 display_file $path $new
1614         }
1615
1616         set ui_status_value [format \
1617                 "$msg... %i/%i files (%.2f%%)" \
1618                 $update_index_cp \
1619                 $totalCnt \
1620                 [expr {100.0 * $update_index_cp / $totalCnt}]]
1621 }
1622
1623 ######################################################################
1624 ##
1625 ## branch management
1626
1627 proc load_all_heads {} {
1628         global all_heads tracking_branches
1629
1630         set all_heads [list]
1631         set cmd [list git for-each-ref]
1632         lappend cmd --format=%(refname)
1633         lappend cmd refs/heads
1634         set fd [open "| $cmd" r]
1635         while {[gets $fd line] > 0} {
1636                 if {![catch {set info $tracking_branches($line)}]} continue
1637                 if {![regsub ^refs/heads/ $line {} name]} continue
1638                 lappend all_heads $name
1639         }
1640         close $fd
1641
1642         set all_heads [lsort $all_heads]
1643 }
1644
1645 proc populate_branch_menu {m} {
1646         global all_heads disable_on_lock
1647
1648         $m add separator
1649         foreach b $all_heads {
1650                 $m add radiobutton \
1651                         -label $b \
1652                         -command [list switch_branch $b] \
1653                         -variable current_branch \
1654                         -value $b \
1655                         -font font_ui
1656                 lappend disable_on_lock \
1657                         [list $m entryconf [$m index last] -state]
1658         }
1659 }
1660
1661 proc do_create_branch {} {
1662         error "NOT IMPLEMENTED"
1663 }
1664
1665 proc do_delete_branch {} {
1666         error "NOT IMPLEMENTED"
1667 }
1668
1669 proc switch_branch {b} {
1670         global HEAD commit_type file_states current_branch
1671         global selected_commit_type ui_comm
1672
1673         if {![lock_index switch]} return
1674
1675         # -- Backup the selected branch (repository_state resets it)
1676         #
1677         set new_branch $current_branch
1678
1679         # -- Our in memory state should match the repository.
1680         #
1681         repository_state curType curHEAD curMERGE_HEAD
1682         if {[string match amend* $commit_type]
1683                 && $curType eq {normal}
1684                 && $curHEAD eq $HEAD} {
1685         } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
1686                 info_popup {Last scanned state does not match repository state.
1687
1688 Another Git program has modified this repository
1689 since the last scan.  A rescan must be performed
1690 before the current branch can be changed.
1691
1692 The rescan will be automatically started now.
1693 }
1694                 unlock_index
1695                 rescan {set ui_status_value {Ready.}}
1696                 return
1697         }
1698
1699         # -- Toss the message buffer if we are in amend mode.
1700         #
1701         if {[string match amend* $curType]} {
1702                 $ui_comm delete 0.0 end
1703                 $ui_comm edit reset
1704                 $ui_comm edit modified false
1705         }
1706
1707         set selected_commit_type new
1708         set current_branch $new_branch
1709
1710         unlock_index
1711         error "NOT FINISHED"
1712 }
1713
1714 ######################################################################
1715 ##
1716 ## remote management
1717
1718 proc load_all_remotes {} {
1719         global repo_config
1720         global all_remotes tracking_branches
1721
1722         set all_remotes [list]
1723         array unset tracking_branches
1724
1725         set rm_dir [gitdir remotes]
1726         if {[file isdirectory $rm_dir]} {
1727                 set all_remotes [glob \
1728                         -types f \
1729                         -tails \
1730                         -nocomplain \
1731                         -directory $rm_dir *]
1732
1733                 foreach name $all_remotes {
1734                         catch {
1735                                 set fd [open [file join $rm_dir $name] r]
1736                                 while {[gets $fd line] >= 0} {
1737                                         if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
1738                                                 $line line src dst]} continue
1739                                         if {![regexp ^refs/ $dst]} {
1740                                                 set dst "refs/heads/$dst"
1741                                         }
1742                                         set tracking_branches($dst) [list $name $src]
1743                                 }
1744                                 close $fd
1745                         }
1746                 }
1747         }
1748
1749         foreach line [array names repo_config remote.*.url] {
1750                 if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
1751                 lappend all_remotes $name
1752
1753                 if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
1754                         set fl {}
1755                 }
1756                 foreach line $fl {
1757                         if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
1758                         if {![regexp ^refs/ $dst]} {
1759                                 set dst "refs/heads/$dst"
1760                         }
1761                         set tracking_branches($dst) [list $name $src]
1762                 }
1763         }
1764
1765         set all_remotes [lsort -unique $all_remotes]
1766 }
1767
1768 proc populate_fetch_menu {m} {
1769         global all_remotes repo_config
1770
1771         foreach r $all_remotes {
1772                 set enable 0
1773                 if {![catch {set a $repo_config(remote.$r.url)}]} {
1774                         if {![catch {set a $repo_config(remote.$r.fetch)}]} {
1775                                 set enable 1
1776                         }
1777                 } else {
1778                         catch {
1779                                 set fd [open [gitdir remotes $r] r]
1780                                 while {[gets $fd n] >= 0} {
1781                                         if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
1782                                                 set enable 1
1783                                                 break
1784                                         }
1785                                 }
1786                                 close $fd
1787                         }
1788                 }
1789
1790                 if {$enable} {
1791                         $m add command \
1792                                 -label "Fetch from $r..." \
1793                                 -command [list fetch_from $r] \
1794                                 -font font_ui
1795                 }
1796         }
1797 }
1798
1799 proc populate_push_menu {m} {
1800         global all_remotes repo_config
1801
1802         foreach r $all_remotes {
1803                 set enable 0
1804                 if {![catch {set a $repo_config(remote.$r.url)}]} {
1805                         if {![catch {set a $repo_config(remote.$r.push)}]} {
1806                                 set enable 1
1807                         }
1808                 } else {
1809                         catch {
1810                                 set fd [open [gitdir remotes $r] r]
1811                                 while {[gets $fd n] >= 0} {
1812                                         if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
1813                                                 set enable 1
1814                                                 break
1815                                         }
1816                                 }
1817                                 close $fd
1818                         }
1819                 }
1820
1821                 if {$enable} {
1822                         $m add command \
1823                                 -label "Push to $r..." \
1824                                 -command [list push_to $r] \
1825                                 -font font_ui
1826                 }
1827         }
1828 }
1829
1830 proc populate_pull_menu {m} {
1831         global repo_config all_remotes disable_on_lock
1832
1833         foreach remote $all_remotes {
1834                 set rb_list [list]
1835                 if {[array get repo_config remote.$remote.url] ne {}} {
1836                         if {[array get repo_config remote.$remote.fetch] ne {}} {
1837                                 foreach line $repo_config(remote.$remote.fetch) {
1838                                         if {[regexp {^([^:]+):} $line line rb]} {
1839                                                 lappend rb_list $rb
1840                                         }
1841                                 }
1842                         }
1843                 } else {
1844                         catch {
1845                                 set fd [open [gitdir remotes $remote] r]
1846                                 while {[gets $fd line] >= 0} {
1847                                         if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
1848                                                 lappend rb_list $rb
1849                                         }
1850                                 }
1851                                 close $fd
1852                         }
1853                 }
1854
1855                 foreach rb $rb_list {
1856                         regsub ^refs/heads/ $rb {} rb_short
1857                         $m add command \
1858                                 -label "Branch $rb_short from $remote..." \
1859                                 -command [list pull_remote $remote $rb] \
1860                                 -font font_ui
1861                         lappend disable_on_lock \
1862                                 [list $m entryconf [$m index last] -state]
1863                 }
1864         }
1865 }
1866
1867 ######################################################################
1868 ##
1869 ## icons
1870
1871 set filemask {
1872 #define mask_width 14
1873 #define mask_height 15
1874 static unsigned char mask_bits[] = {
1875    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1876    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1877    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1878 }
1879
1880 image create bitmap file_plain -background white -foreground black -data {
1881 #define plain_width 14
1882 #define plain_height 15
1883 static unsigned char plain_bits[] = {
1884    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1885    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1886    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1887 } -maskdata $filemask
1888
1889 image create bitmap file_mod -background white -foreground blue -data {
1890 #define mod_width 14
1891 #define mod_height 15
1892 static unsigned char mod_bits[] = {
1893    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1894    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1895    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1896 } -maskdata $filemask
1897
1898 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1899 #define file_fulltick_width 14
1900 #define file_fulltick_height 15
1901 static unsigned char file_fulltick_bits[] = {
1902    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1903    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1904    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1905 } -maskdata $filemask
1906
1907 image create bitmap file_parttick -background white -foreground "#005050" -data {
1908 #define parttick_width 14
1909 #define parttick_height 15
1910 static unsigned char parttick_bits[] = {
1911    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1912    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1913    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1914 } -maskdata $filemask
1915
1916 image create bitmap file_question -background white -foreground black -data {
1917 #define file_question_width 14
1918 #define file_question_height 15
1919 static unsigned char file_question_bits[] = {
1920    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1921    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1922    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1923 } -maskdata $filemask
1924
1925 image create bitmap file_removed -background white -foreground red -data {
1926 #define file_removed_width 14
1927 #define file_removed_height 15
1928 static unsigned char file_removed_bits[] = {
1929    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1930    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1931    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1932 } -maskdata $filemask
1933
1934 image create bitmap file_merge -background white -foreground blue -data {
1935 #define file_merge_width 14
1936 #define file_merge_height 15
1937 static unsigned char file_merge_bits[] = {
1938    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1939    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1940    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1941 } -maskdata $filemask
1942
1943 set ui_index .vpane.files.index.list
1944 set ui_workdir .vpane.files.workdir.list
1945
1946 set all_icons(_$ui_index)   file_plain
1947 set all_icons(A$ui_index)   file_fulltick
1948 set all_icons(M$ui_index)   file_fulltick
1949 set all_icons(D$ui_index)   file_removed
1950 set all_icons(U$ui_index)   file_merge
1951
1952 set all_icons(_$ui_workdir) file_plain
1953 set all_icons(M$ui_workdir) file_mod
1954 set all_icons(D$ui_workdir) file_question
1955 set all_icons(O$ui_workdir) file_plain
1956
1957 set max_status_desc 0
1958 foreach i {
1959                 {__ "Unmodified"}
1960
1961                 {_M "Modified, not staged"}
1962                 {M_ "Staged for commit"}
1963                 {MM "Portions staged for commit"}
1964                 {MD "Staged for commit, missing"}
1965
1966                 {_O "Untracked, not staged"}
1967                 {A_ "Staged for commit"}
1968                 {AM "Portions staged for commit"}
1969                 {AD "Staged for commit, missing"}
1970
1971                 {_D "Missing"}
1972                 {D_ "Staged for removal"}
1973                 {DO "Staged for removal, still present"}
1974
1975                 {U_ "Requires merge resolution"}
1976                 {UM "Requires merge resolution"}
1977                 {UD "Requires merge resolution"}
1978         } {
1979         if {$max_status_desc < [string length [lindex $i 1]]} {
1980                 set max_status_desc [string length [lindex $i 1]]
1981         }
1982         set all_descs([lindex $i 0]) [lindex $i 1]
1983 }
1984 unset i
1985
1986 ######################################################################
1987 ##
1988 ## util
1989
1990 proc is_MacOSX {} {
1991         global tcl_platform tk_library
1992         if {[tk windowingsystem] eq {aqua}} {
1993                 return 1
1994         }
1995         return 0
1996 }
1997
1998 proc is_Windows {} {
1999         global tcl_platform
2000         if {$tcl_platform(platform) eq {windows}} {
2001                 return 1
2002         }
2003         return 0
2004 }
2005
2006 proc bind_button3 {w cmd} {
2007         bind $w <Any-Button-3> $cmd
2008         if {[is_MacOSX]} {
2009                 bind $w <Control-Button-1> $cmd
2010         }
2011 }
2012
2013 proc incr_font_size {font {amt 1}} {
2014         set sz [font configure $font -size]
2015         incr sz $amt
2016         font configure $font -size $sz
2017         font configure ${font}bold -size $sz
2018 }
2019
2020 proc hook_failed_popup {hook msg} {
2021         set w .hookfail
2022         toplevel $w
2023
2024         frame $w.m
2025         label $w.m.l1 -text "$hook hook failed:" \
2026                 -anchor w \
2027                 -justify left \
2028                 -font font_uibold
2029         text $w.m.t \
2030                 -background white -borderwidth 1 \
2031                 -relief sunken \
2032                 -width 80 -height 10 \
2033                 -font font_diff \
2034                 -yscrollcommand [list $w.m.sby set]
2035         label $w.m.l2 \
2036                 -text {You must correct the above errors before committing.} \
2037                 -anchor w \
2038                 -justify left \
2039                 -font font_uibold
2040         scrollbar $w.m.sby -command [list $w.m.t yview]
2041         pack $w.m.l1 -side top -fill x
2042         pack $w.m.l2 -side bottom -fill x
2043         pack $w.m.sby -side right -fill y
2044         pack $w.m.t -side left -fill both -expand 1
2045         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2046
2047         $w.m.t insert 1.0 $msg
2048         $w.m.t conf -state disabled
2049
2050         button $w.ok -text OK \
2051                 -width 15 \
2052                 -font font_ui \
2053                 -command "destroy $w"
2054         pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2055
2056         bind $w <Visibility> "grab $w; focus $w"
2057         bind $w <Key-Return> "destroy $w"
2058         wm title $w "[appname] ([reponame]): error"
2059         tkwait window $w
2060 }
2061
2062 set next_console_id 0
2063
2064 proc new_console {short_title long_title} {
2065         global next_console_id console_data
2066         set w .console[incr next_console_id]
2067         set console_data($w) [list $short_title $long_title]
2068         return [console_init $w]
2069 }
2070
2071 proc console_init {w} {
2072         global console_cr console_data M1B
2073
2074         set console_cr($w) 1.0
2075         toplevel $w
2076         frame $w.m
2077         label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
2078                 -anchor w \
2079                 -justify left \
2080                 -font font_uibold
2081         text $w.m.t \
2082                 -background white -borderwidth 1 \
2083                 -relief sunken \
2084                 -width 80 -height 10 \
2085                 -font font_diff \
2086                 -state disabled \
2087                 -yscrollcommand [list $w.m.sby set]
2088         label $w.m.s -text {Working... please wait...} \
2089                 -anchor w \
2090                 -justify left \
2091                 -font font_uibold
2092         scrollbar $w.m.sby -command [list $w.m.t yview]
2093         pack $w.m.l1 -side top -fill x
2094         pack $w.m.s -side bottom -fill x
2095         pack $w.m.sby -side right -fill y
2096         pack $w.m.t -side left -fill both -expand 1
2097         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
2098
2099         menu $w.ctxm -tearoff 0
2100         $w.ctxm add command -label "Copy" \
2101                 -font font_ui \
2102                 -command "tk_textCopy $w.m.t"
2103         $w.ctxm add command -label "Select All" \
2104                 -font font_ui \
2105                 -command "$w.m.t tag add sel 0.0 end"
2106         $w.ctxm add command -label "Copy All" \
2107                 -font font_ui \
2108                 -command "
2109                         $w.m.t tag add sel 0.0 end
2110                         tk_textCopy $w.m.t
2111                         $w.m.t tag remove sel 0.0 end
2112                 "
2113
2114         button $w.ok -text {Close} \
2115                 -font font_ui \
2116                 -state disabled \
2117                 -command "destroy $w"
2118         pack $w.ok -side bottom -anchor e -pady 10 -padx 10
2119
2120         bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
2121         bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
2122         bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
2123         bind $w <Visibility> "focus $w"
2124         wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
2125         return $w
2126 }
2127
2128 proc console_exec {w cmd {after {}}} {
2129         # -- Windows tosses the enviroment when we exec our child.
2130         #    But most users need that so we have to relogin. :-(
2131         #
2132         if {[is_Windows]} {
2133                 set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
2134         }
2135
2136         # -- Tcl won't let us redirect both stdout and stderr to
2137         #    the same pipe.  So pass it through cat...
2138         #
2139         set cmd [concat | $cmd |& cat]
2140
2141         set fd_f [open $cmd r]
2142         fconfigure $fd_f -blocking 0 -translation binary
2143         fileevent $fd_f readable [list console_read $w $fd_f $after]
2144 }
2145
2146 proc console_read {w fd after} {
2147         global console_cr console_data
2148
2149         set buf [read $fd]
2150         if {$buf ne {}} {
2151                 if {![winfo exists $w]} {console_init $w}
2152                 $w.m.t conf -state normal
2153                 set c 0
2154                 set n [string length $buf]
2155                 while {$c < $n} {
2156                         set cr [string first "\r" $buf $c]
2157                         set lf [string first "\n" $buf $c]
2158                         if {$cr < 0} {set cr [expr {$n + 1}]}
2159                         if {$lf < 0} {set lf [expr {$n + 1}]}
2160
2161                         if {$lf < $cr} {
2162                                 $w.m.t insert end [string range $buf $c $lf]
2163                                 set console_cr($w) [$w.m.t index {end -1c}]
2164                                 set c $lf
2165                                 incr c
2166                         } else {
2167                                 $w.m.t delete $console_cr($w) end
2168                                 $w.m.t insert end "\n"
2169                                 $w.m.t insert end [string range $buf $c $cr]
2170                                 set c $cr
2171                                 incr c
2172                         }
2173                 }
2174                 $w.m.t conf -state disabled
2175                 $w.m.t see end
2176         }
2177
2178         fconfigure $fd -blocking 1
2179         if {[eof $fd]} {
2180                 if {[catch {close $fd}]} {
2181                         if {![winfo exists $w]} {console_init $w}
2182                         $w.m.s conf -background red -text {Error: Command Failed}
2183                         $w.ok conf -state normal
2184                         set ok 0
2185                 } elseif {[winfo exists $w]} {
2186                         $w.m.s conf -background green -text {Success}
2187                         $w.ok conf -state normal
2188                         set ok 1
2189                 }
2190                 array unset console_cr $w
2191                 array unset console_data $w
2192                 if {$after ne {}} {
2193                         uplevel #0 $after $ok
2194                 }
2195                 return
2196         }
2197         fconfigure $fd -blocking 0
2198 }
2199
2200 ######################################################################
2201 ##
2202 ## ui commands
2203
2204 set starting_gitk_msg {Starting gitk... please wait...}
2205
2206 proc do_gitk {revs} {
2207         global ui_status_value starting_gitk_msg
2208
2209         set cmd gitk
2210         if {$revs ne {}} {
2211                 append cmd { }
2212                 append cmd $revs
2213         }
2214         if {[is_Windows]} {
2215                 set cmd "sh -c \"exec $cmd\""
2216         }
2217         append cmd { &}
2218
2219         if {[catch {eval exec $cmd} err]} {
2220                 error_popup "Failed to start gitk:\n\n$err"
2221         } else {
2222                 set ui_status_value $starting_gitk_msg
2223                 after 10000 {
2224                         if {$ui_status_value eq $starting_gitk_msg} {
2225                                 set ui_status_value {Ready.}
2226                         }
2227                 }
2228         }
2229 }
2230
2231 proc do_gc {} {
2232         set w [new_console {gc} {Compressing the object database}]
2233         console_exec $w {git gc}
2234 }
2235
2236 proc do_fsck_objects {} {
2237         set w [new_console {fsck-objects} \
2238                 {Verifying the object database with fsck-objects}]
2239         set cmd [list git fsck-objects]
2240         lappend cmd --full
2241         lappend cmd --cache
2242         lappend cmd --strict
2243         console_exec $w $cmd
2244 }
2245
2246 set is_quitting 0
2247
2248 proc do_quit {} {
2249         global ui_comm is_quitting repo_config commit_type
2250
2251         if {$is_quitting} return
2252         set is_quitting 1
2253
2254         # -- Stash our current commit buffer.
2255         #
2256         set save [gitdir GITGUI_MSG]
2257         set msg [string trim [$ui_comm get 0.0 end]]
2258         if {![string match amend* $commit_type]
2259                 && [$ui_comm edit modified]
2260                 && $msg ne {}} {
2261                 catch {
2262                         set fd [open $save w]
2263                         puts $fd [string trim [$ui_comm get 0.0 end]]
2264                         close $fd
2265                 }
2266         } else {
2267                 catch {file delete $save}
2268         }
2269
2270         # -- Stash our current window geometry into this repository.
2271         #
2272         set cfg_geometry [list]
2273         lappend cfg_geometry [wm geometry .]
2274         lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
2275         lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
2276         if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2277                 set rc_geometry {}
2278         }
2279         if {$cfg_geometry ne $rc_geometry} {
2280                 catch {exec git repo-config gui.geometry $cfg_geometry}
2281         }
2282
2283         destroy .
2284 }
2285
2286 proc do_rescan {} {
2287         rescan {set ui_status_value {Ready.}}
2288 }
2289
2290 proc unstage_helper {txt paths} {
2291         global file_states current_diff
2292
2293         if {![lock_index begin-update]} return
2294
2295         set pathList [list]
2296         set after {}
2297         foreach path $paths {
2298                 switch -glob -- [lindex $file_states($path) 0] {
2299                 A? -
2300                 M? -
2301                 D? {
2302                         lappend pathList $path
2303                         if {$path eq $current_diff} {
2304                                 set after {reshow_diff;}
2305                         }
2306                 }
2307                 }
2308         }
2309         if {$pathList eq {}} {
2310                 unlock_index
2311         } else {
2312                 update_indexinfo \
2313                         $txt \
2314                         $pathList \
2315                         [concat $after {set ui_status_value {Ready.}}]
2316         }
2317 }
2318
2319 proc do_unstage_selection {} {
2320         global current_diff selected_paths
2321
2322         if {[array size selected_paths] > 0} {
2323                 unstage_helper \
2324                         {Unstaging selected files from commit} \
2325                         [array names selected_paths]
2326         } elseif {$current_diff ne {}} {
2327                 unstage_helper \
2328                         "Unstaging [short_path $current_diff] from commit" \
2329                         [list $current_diff]
2330         }
2331 }
2332
2333 proc add_helper {txt paths} {
2334         global file_states current_diff
2335
2336         if {![lock_index begin-update]} return
2337
2338         set pathList [list]
2339         set after {}
2340         foreach path $paths {
2341                 switch -glob -- [lindex $file_states($path) 0] {
2342                 AM -
2343                 AD -
2344                 MM -
2345                 MD -
2346                 U? -
2347                 _M -
2348                 _D -
2349                 _O {
2350                         lappend pathList $path
2351                         if {$path eq $current_diff} {
2352                                 set after {reshow_diff;}
2353                         }
2354                 }
2355                 }
2356         }
2357         if {$pathList eq {}} {
2358                 unlock_index
2359         } else {
2360                 update_index \
2361                         $txt \
2362                         $pathList \
2363                         [concat $after {set ui_status_value {Ready to commit.}}]
2364         }
2365 }
2366
2367 proc do_add_selection {} {
2368         global current_diff selected_paths
2369
2370         if {[array size selected_paths] > 0} {
2371                 add_helper \
2372                         {Adding selected files} \
2373                         [array names selected_paths]
2374         } elseif {$current_diff ne {}} {
2375                 add_helper \
2376                         "Adding [short_path $current_diff]" \
2377                         [list $current_diff]
2378         }
2379 }
2380
2381 proc do_add_all {} {
2382         global file_states
2383
2384         set paths [list]
2385         foreach path [array names file_states] {
2386                 switch -- [lindex $file_states($path) 0] {
2387                 AM -
2388                 AD -
2389                 MM -
2390                 MD -
2391                 _M -
2392                 _D {lappend paths $path}
2393                 }
2394         }
2395         add_helper \
2396                 {Adding all modified files} \
2397                 $paths
2398 }
2399
2400 proc revert_helper {txt paths} {
2401         global file_states current_diff
2402
2403         if {![lock_index begin-update]} return
2404
2405         set pathList [list]
2406         set after {}
2407         foreach path $paths {
2408                 switch -glob -- [lindex $file_states($path) 0] {
2409                 AM -
2410                 AD -
2411                 MM -
2412                 MD -
2413                 _M -
2414                 _D {
2415                         lappend pathList $path
2416                         if {$path eq $current_diff} {
2417                                 set after {reshow_diff;}
2418                         }
2419                 }
2420                 }
2421         }
2422
2423         set n [llength $pathList]
2424         if {$n == 0} {
2425                 unlock_index
2426                 return
2427         } elseif {$n == 1} {
2428                 set s "[short_path [lindex $pathList]]"
2429         } else {
2430                 set s "these $n files"
2431         }
2432
2433         set reply [tk_dialog \
2434                 .confirm_revert \
2435                 "[appname] ([reponame])" \
2436                 "Revert changes in $s?
2437
2438 Any unadded changes will be permanently lost by the revert." \
2439                 question \
2440                 1 \
2441                 {Do Nothing} \
2442                 {Revert Changes} \
2443                 ]
2444         if {$reply == 1} {
2445                 checkout_index \
2446                         $txt \
2447                         $pathList \
2448                         [concat $after {set ui_status_value {Ready.}}]
2449         } else {
2450                 unlock_index
2451         }
2452 }
2453
2454 proc do_revert_selection {} {
2455         global current_diff selected_paths
2456
2457         if {[array size selected_paths] > 0} {
2458                 revert_helper \
2459                         {Reverting selected files} \
2460                         [array names selected_paths]
2461         } elseif {$current_diff ne {}} {
2462                 revert_helper \
2463                         "Reverting [short_path $current_diff]" \
2464                         [list $current_diff]
2465         }
2466 }
2467
2468 proc do_signoff {} {
2469         global ui_comm
2470
2471         set me [committer_ident]
2472         if {$me eq {}} return
2473
2474         set sob "Signed-off-by: $me"
2475         set last [$ui_comm get {end -1c linestart} {end -1c}]
2476         if {$last ne $sob} {
2477                 $ui_comm edit separator
2478                 if {$last ne {}
2479                         && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
2480                         $ui_comm insert end "\n"
2481                 }
2482                 $ui_comm insert end "\n$sob"
2483                 $ui_comm edit separator
2484                 $ui_comm see end
2485         }
2486 }
2487
2488 proc do_select_commit_type {} {
2489         global commit_type selected_commit_type
2490
2491         if {$selected_commit_type eq {new}
2492                 && [string match amend* $commit_type]} {
2493                 create_new_commit
2494         } elseif {$selected_commit_type eq {amend}
2495                 && ![string match amend* $commit_type]} {
2496                 load_last_commit
2497
2498                 # The amend request was rejected...
2499                 #
2500                 if {![string match amend* $commit_type]} {
2501                         set selected_commit_type new
2502                 }
2503         }
2504 }
2505
2506 proc do_commit {} {
2507         commit_tree
2508 }
2509
2510 proc do_about {} {
2511         global appvers copyright
2512         global tcl_patchLevel tk_patchLevel
2513
2514         set w .about_dialog
2515         toplevel $w
2516         wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2517
2518         label $w.header -text "About [appname]" \
2519                 -font font_uibold
2520         pack $w.header -side top -fill x
2521
2522         frame $w.buttons
2523         button $w.buttons.close -text {Close} \
2524                 -font font_ui \
2525                 -command [list destroy $w]
2526         pack $w.buttons.close -side right
2527         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2528
2529         label $w.desc \
2530                 -text "[appname] - a commit creation tool for Git.
2531 $copyright" \
2532                 -padx 5 -pady 5 \
2533                 -justify left \
2534                 -anchor w \
2535                 -borderwidth 1 \
2536                 -relief solid \
2537                 -font font_ui
2538         pack $w.desc -side top -fill x -padx 5 -pady 5
2539
2540         set v {}
2541         append v "[appname] version $appvers\n"
2542         append v "[exec git version]\n"
2543         append v "\n"
2544         if {$tcl_patchLevel eq $tk_patchLevel} {
2545                 append v "Tcl/Tk version $tcl_patchLevel"
2546         } else {
2547                 append v "Tcl version $tcl_patchLevel"
2548                 append v ", Tk version $tk_patchLevel"
2549         }
2550
2551         label $w.vers \
2552                 -text $v \
2553                 -padx 5 -pady 5 \
2554                 -justify left \
2555                 -anchor w \
2556                 -borderwidth 1 \
2557                 -relief solid \
2558                 -font font_ui
2559         pack $w.vers -side top -fill x -padx 5 -pady 5
2560
2561         menu $w.ctxm -tearoff 0
2562         $w.ctxm add command \
2563                 -label {Copy} \
2564                 -font font_ui \
2565                 -command "
2566                 clipboard clear
2567                 clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
2568         "
2569
2570         bind $w <Visibility> "grab $w; focus $w"
2571         bind $w <Key-Escape> "destroy $w"
2572         bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
2573         wm title $w "About [appname]"
2574         tkwait window $w
2575 }
2576
2577 proc do_options {} {
2578         global repo_config global_config font_descs
2579         global repo_config_new global_config_new
2580
2581         array unset repo_config_new
2582         array unset global_config_new
2583         foreach name [array names repo_config] {
2584                 set repo_config_new($name) $repo_config($name)
2585         }
2586         load_config 1
2587         foreach name [array names repo_config] {
2588                 switch -- $name {
2589                 gui.diffcontext {continue}
2590                 }
2591                 set repo_config_new($name) $repo_config($name)
2592         }
2593         foreach name [array names global_config] {
2594                 set global_config_new($name) $global_config($name)
2595         }
2596
2597         set w .options_editor
2598         toplevel $w
2599         wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2600
2601         label $w.header -text "[appname] Options" \
2602                 -font font_uibold
2603         pack $w.header -side top -fill x
2604
2605         frame $w.buttons
2606         button $w.buttons.restore -text {Restore Defaults} \
2607                 -font font_ui \
2608                 -command do_restore_defaults
2609         pack $w.buttons.restore -side left
2610         button $w.buttons.save -text Save \
2611                 -font font_ui \
2612                 -command [list do_save_config $w]
2613         pack $w.buttons.save -side right
2614         button $w.buttons.cancel -text {Cancel} \
2615                 -font font_ui \
2616                 -command [list destroy $w]
2617         pack $w.buttons.cancel -side right
2618         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2619
2620         labelframe $w.repo -text "[reponame] Repository" \
2621                 -font font_ui \
2622                 -relief raised -borderwidth 2
2623         labelframe $w.global -text {Global (All Repositories)} \
2624                 -font font_ui \
2625                 -relief raised -borderwidth 2
2626         pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
2627         pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
2628
2629         foreach option {
2630                 {b partialinclude {Allow Partially Added Files}}
2631                 {b pullsummary {Show Pull Summary}}
2632                 {b trustmtime  {Trust File Modification Timestamps}}
2633                 {i diffcontext {Number of Diff Context Lines}}
2634                 } {
2635                 set type [lindex $option 0]
2636                 set name [lindex $option 1]
2637                 set text [lindex $option 2]
2638                 foreach f {repo global} {
2639                         switch $type {
2640                         b {
2641                                 checkbutton $w.$f.$name -text $text \
2642                                         -variable ${f}_config_new(gui.$name) \
2643                                         -onvalue true \
2644                                         -offvalue false \
2645                                         -font font_ui
2646                                 pack $w.$f.$name -side top -anchor w
2647                         }
2648                         i {
2649                                 frame $w.$f.$name
2650                                 label $w.$f.$name.l -text "$text:" -font font_ui
2651                                 pack $w.$f.$name.l -side left -anchor w -fill x
2652                                 spinbox $w.$f.$name.v \
2653                                         -textvariable ${f}_config_new(gui.$name) \
2654                                         -from 1 -to 99 -increment 1 \
2655                                         -width 3 \
2656                                         -font font_ui
2657                                 pack $w.$f.$name.v -side right -anchor e
2658                                 pack $w.$f.$name -side top -anchor w -fill x
2659                         }
2660                         }
2661                 }
2662         }
2663
2664         set all_fonts [lsort [font families]]
2665         foreach option $font_descs {
2666                 set name [lindex $option 0]
2667                 set font [lindex $option 1]
2668                 set text [lindex $option 2]
2669
2670                 set global_config_new(gui.$font^^family) \
2671                         [font configure $font -family]
2672                 set global_config_new(gui.$font^^size) \
2673                         [font configure $font -size]
2674
2675                 frame $w.global.$name
2676                 label $w.global.$name.l -text "$text:" -font font_ui
2677                 pack $w.global.$name.l -side left -anchor w -fill x
2678                 eval tk_optionMenu $w.global.$name.family \
2679                         global_config_new(gui.$font^^family) \
2680                         $all_fonts
2681                 spinbox $w.global.$name.size \
2682                         -textvariable global_config_new(gui.$font^^size) \
2683                         -from 2 -to 80 -increment 1 \
2684                         -width 3 \
2685                         -font font_ui
2686                 pack $w.global.$name.size -side right -anchor e
2687                 pack $w.global.$name.family -side right -anchor e
2688                 pack $w.global.$name -side top -anchor w -fill x
2689         }
2690
2691         bind $w <Visibility> "grab $w; focus $w"
2692         bind $w <Key-Escape> "destroy $w"
2693         wm title $w "[appname] ([reponame]): Options"
2694         tkwait window $w
2695 }
2696
2697 proc do_restore_defaults {} {
2698         global font_descs default_config repo_config
2699         global repo_config_new global_config_new
2700
2701         foreach name [array names default_config] {
2702                 set repo_config_new($name) $default_config($name)
2703                 set global_config_new($name) $default_config($name)
2704         }
2705
2706         foreach option $font_descs {
2707                 set name [lindex $option 0]
2708                 set repo_config(gui.$name) $default_config(gui.$name)
2709         }
2710         apply_config
2711
2712         foreach option $font_descs {
2713                 set name [lindex $option 0]
2714                 set font [lindex $option 1]
2715                 set global_config_new(gui.$font^^family) \
2716                         [font configure $font -family]
2717                 set global_config_new(gui.$font^^size) \
2718                         [font configure $font -size]
2719         }
2720 }
2721
2722 proc do_save_config {w} {
2723         if {[catch {save_config} err]} {
2724                 error_popup "Failed to completely save options:\n\n$err"
2725         }
2726         reshow_diff
2727         destroy $w
2728 }
2729
2730 proc do_windows_shortcut {} {
2731         global argv0
2732
2733         if {[catch {
2734                 set desktop [exec cygpath \
2735                         --windows \
2736                         --absolute \
2737                         --long-name \
2738                         --desktop]
2739                 }]} {
2740                         set desktop .
2741         }
2742         set fn [tk_getSaveFile \
2743                 -parent . \
2744                 -title "[appname] ([reponame]): Create Desktop Icon" \
2745                 -initialdir $desktop \
2746                 -initialfile "Git [reponame].bat"]
2747         if {$fn != {}} {
2748                 if {[catch {
2749                                 set fd [open $fn w]
2750                                 set sh [exec cygpath \
2751                                         --windows \
2752                                         --absolute \
2753                                         /bin/sh]
2754                                 set me [exec cygpath \
2755                                         --unix \
2756                                         --absolute \
2757                                         $argv0]
2758                                 set gd [exec cygpath \
2759                                         --unix \
2760                                         --absolute \
2761                                         [gitdir]]
2762                                 set gw [exec cygpath \
2763                                         --windows \
2764                                         --absolute \
2765                                         [file dirname [gitdir]]]
2766                                 regsub -all ' $me "'\\''" me
2767                                 regsub -all ' $gd "'\\''" gd
2768                                 puts $fd "@ECHO Entering $gw"
2769                                 puts $fd "@ECHO Starting git-gui... please wait..."
2770                                 puts -nonewline $fd "@\"$sh\" --login -c \""
2771                                 puts -nonewline $fd "GIT_DIR='$gd'"
2772                                 puts -nonewline $fd " '$me'"
2773                                 puts $fd "&\""
2774                                 close $fd
2775                         } err]} {
2776                         error_popup "Cannot write script:\n\n$err"
2777                 }
2778         }
2779 }
2780
2781 proc do_macosx_app {} {
2782         global argv0 env
2783
2784         set fn [tk_getSaveFile \
2785                 -parent . \
2786                 -title "[appname] ([reponame]): Create Desktop Icon" \
2787                 -initialdir [file join $env(HOME) Desktop] \
2788                 -initialfile "Git [reponame].app"]
2789         if {$fn != {}} {
2790                 if {[catch {
2791                                 set Contents [file join $fn Contents]
2792                                 set MacOS [file join $Contents MacOS]
2793                                 set exe [file join $MacOS git-gui]
2794
2795                                 file mkdir $MacOS
2796
2797                                 set fd [open [file join $Contents Info.plist] w]
2798                                 puts $fd {<?xml version="1.0" encoding="UTF-8"?>
2799 <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
2800 <plist version="1.0">
2801 <dict>
2802         <key>CFBundleDevelopmentRegion</key>
2803         <string>English</string>
2804         <key>CFBundleExecutable</key>
2805         <string>git-gui</string>
2806         <key>CFBundleIdentifier</key>
2807         <string>org.spearce.git-gui</string>
2808         <key>CFBundleInfoDictionaryVersion</key>
2809         <string>6.0</string>
2810         <key>CFBundlePackageType</key>
2811         <string>APPL</string>
2812         <key>CFBundleSignature</key>
2813         <string>????</string>
2814         <key>CFBundleVersion</key>
2815         <string>1.0</string>
2816         <key>NSPrincipalClass</key>
2817         <string>NSApplication</string>
2818 </dict>
2819 </plist>}
2820                                 close $fd
2821
2822                                 set fd [open $exe w]
2823                                 set gd [file normalize [gitdir]]
2824                                 set ep [file normalize [exec git --exec-path]]
2825                                 regsub -all ' $gd "'\\''" gd
2826                                 regsub -all ' $ep "'\\''" ep
2827                                 puts $fd "#!/bin/sh"
2828                                 foreach name [array names env] {
2829                                         if {[string match GIT_* $name]} {
2830                                                 regsub -all ' $env($name) "'\\''" v
2831                                                 puts $fd "export $name='$v'"
2832                                         }
2833                                 }
2834                                 puts $fd "export PATH='$ep':\$PATH"
2835                                 puts $fd "export GIT_DIR='$gd'"
2836                                 puts $fd "exec [file normalize $argv0]"
2837                                 close $fd
2838
2839                                 file attributes $exe -permissions u+x,g+x,o+x
2840                         } err]} {
2841                         error_popup "Cannot write icon:\n\n$err"
2842                 }
2843         }
2844 }
2845
2846 proc toggle_or_diff {w x y} {
2847         global file_states file_lists current_diff ui_index ui_workdir
2848         global last_clicked selected_paths
2849
2850         set pos [split [$w index @$x,$y] .]
2851         set lno [lindex $pos 0]
2852         set col [lindex $pos 1]
2853         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2854         if {$path eq {}} {
2855                 set last_clicked {}
2856                 return
2857         }
2858
2859         set last_clicked [list $w $lno]
2860         array unset selected_paths
2861         $ui_index tag remove in_sel 0.0 end
2862         $ui_workdir tag remove in_sel 0.0 end
2863
2864         if {$col == 0} {
2865                 if {$current_diff eq $path} {
2866                         set after {reshow_diff;}
2867                 } else {
2868                         set after {}
2869                 }
2870                 switch -glob -- [lindex $file_states($path) 0] {
2871                 A_ -
2872                 M_ -
2873                 D_ -
2874                 DO {
2875                         update_indexinfo \
2876                                 "Unstaging [short_path $path] from commit" \
2877                                 [list $path] \
2878                                 [concat $after {set ui_status_value {Ready.}}]
2879                 }
2880                 ?? {
2881                         update_index \
2882                                 "Adding [short_path $path]" \
2883                                 [list $path] \
2884                                 [concat $after {set ui_status_value {Ready.}}]
2885                 }
2886                 }
2887         } else {
2888                 show_diff $path $w $lno
2889         }
2890 }
2891
2892 proc add_one_to_selection {w x y} {
2893         global file_lists
2894         global last_clicked selected_paths
2895
2896         set pos [split [$w index @$x,$y] .]
2897         set lno [lindex $pos 0]
2898         set col [lindex $pos 1]
2899         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2900         if {$path eq {}} {
2901                 set last_clicked {}
2902                 return
2903         }
2904
2905         set last_clicked [list $w $lno]
2906         if {[catch {set in_sel $selected_paths($path)}]} {
2907                 set in_sel 0
2908         }
2909         if {$in_sel} {
2910                 unset selected_paths($path)
2911                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2912         } else {
2913                 set selected_paths($path) 1
2914                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2915         }
2916 }
2917
2918 proc add_range_to_selection {w x y} {
2919         global file_lists
2920         global last_clicked selected_paths
2921
2922         if {[lindex $last_clicked 0] ne $w} {
2923                 toggle_or_diff $w $x $y
2924                 return
2925         }
2926
2927         set pos [split [$w index @$x,$y] .]
2928         set lno [lindex $pos 0]
2929         set lc [lindex $last_clicked 1]
2930         if {$lc < $lno} {
2931                 set begin $lc
2932                 set end $lno
2933         } else {
2934                 set begin $lno
2935                 set end $lc
2936         }
2937
2938         foreach path [lrange $file_lists($w) \
2939                 [expr {$begin - 1}] \
2940                 [expr {$end - 1}]] {
2941                 set selected_paths($path) 1
2942         }
2943         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2944 }
2945
2946 ######################################################################
2947 ##
2948 ## config defaults
2949
2950 set cursor_ptr arrow
2951 font create font_diff -family Courier -size 10
2952 font create font_ui
2953 catch {
2954         label .dummy
2955         eval font configure font_ui [font actual [.dummy cget -font]]
2956         destroy .dummy
2957 }
2958
2959 font create font_uibold
2960 font create font_diffbold
2961
2962 if {[is_Windows]} {
2963         set M1B Control
2964         set M1T Ctrl
2965 } elseif {[is_MacOSX]} {
2966         set M1B M1
2967         set M1T Cmd
2968 } else {
2969         set M1B M1
2970         set M1T M1
2971 }
2972
2973 proc apply_config {} {
2974         global repo_config font_descs
2975
2976         foreach option $font_descs {
2977                 set name [lindex $option 0]
2978                 set font [lindex $option 1]
2979                 if {[catch {
2980                         foreach {cn cv} $repo_config(gui.$name) {
2981                                 font configure $font $cn $cv
2982                         }
2983                         } err]} {
2984                         error_popup "Invalid font specified in gui.$name:\n\n$err"
2985                 }
2986                 foreach {cn cv} [font configure $font] {
2987                         font configure ${font}bold $cn $cv
2988                 }
2989                 font configure ${font}bold -weight bold
2990         }
2991 }
2992
2993 set default_config(gui.trustmtime) false
2994 set default_config(gui.pullsummary) true
2995 set default_config(gui.partialinclude) false
2996 set default_config(gui.diffcontext) 5
2997 set default_config(gui.fontui) [font configure font_ui]
2998 set default_config(gui.fontdiff) [font configure font_diff]
2999 set font_descs {
3000         {fontui   font_ui   {Main Font}}
3001         {fontdiff font_diff {Diff/Console Font}}
3002 }
3003 load_config 0
3004 apply_config
3005
3006 ######################################################################
3007 ##
3008 ## ui construction
3009
3010 # -- Menu Bar
3011 #
3012 menu .mbar -tearoff 0
3013 .mbar add cascade -label Repository -menu .mbar.repository
3014 .mbar add cascade -label Edit -menu .mbar.edit
3015 if {!$single_commit} {
3016         .mbar add cascade -label Branch -menu .mbar.branch
3017 }
3018 .mbar add cascade -label Commit -menu .mbar.commit
3019 if {!$single_commit} {
3020         .mbar add cascade -label Fetch -menu .mbar.fetch
3021         .mbar add cascade -label Pull -menu .mbar.pull
3022         .mbar add cascade -label Push -menu .mbar.push
3023 }
3024 . configure -menu .mbar
3025
3026 # -- Repository Menu
3027 #
3028 menu .mbar.repository
3029 .mbar.repository add command \
3030         -label {Visualize Current Branch} \
3031         -command {do_gitk {}} \
3032         -font font_ui
3033 if {![is_MacOSX]} {
3034         .mbar.repository add command \
3035                 -label {Visualize All Branches} \
3036                 -command {do_gitk {--all}} \
3037                 -font font_ui
3038 }
3039 .mbar.repository add separator
3040
3041 if {!$single_commit} {
3042         .mbar.repository add command -label {Compress Database} \
3043                 -command do_gc \
3044                 -font font_ui
3045
3046         .mbar.repository add command -label {Verify Database} \
3047                 -command do_fsck_objects \
3048                 -font font_ui
3049
3050         .mbar.repository add separator
3051
3052         if {[is_Windows]} {
3053                 .mbar.repository add command \
3054                         -label {Create Desktop Icon} \
3055                         -command do_windows_shortcut \
3056                         -font font_ui
3057         } elseif {[is_MacOSX]} {
3058                 .mbar.repository add command \
3059                         -label {Create Desktop Icon} \
3060                         -command do_macosx_app \
3061                         -font font_ui
3062         }
3063 }
3064
3065 .mbar.repository add command -label Quit \
3066         -command do_quit \
3067         -accelerator $M1T-Q \
3068         -font font_ui
3069
3070 # -- Edit Menu
3071 #
3072 menu .mbar.edit
3073 .mbar.edit add command -label Undo \
3074         -command {catch {[focus] edit undo}} \
3075         -accelerator $M1T-Z \
3076         -font font_ui
3077 .mbar.edit add command -label Redo \
3078         -command {catch {[focus] edit redo}} \
3079         -accelerator $M1T-Y \
3080         -font font_ui
3081 .mbar.edit add separator
3082 .mbar.edit add command -label Cut \
3083         -command {catch {tk_textCut [focus]}} \
3084         -accelerator $M1T-X \
3085         -font font_ui
3086 .mbar.edit add command -label Copy \
3087         -command {catch {tk_textCopy [focus]}} \
3088         -accelerator $M1T-C \
3089         -font font_ui
3090 .mbar.edit add command -label Paste \
3091         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
3092         -accelerator $M1T-V \
3093         -font font_ui
3094 .mbar.edit add command -label Delete \
3095         -command {catch {[focus] delete sel.first sel.last}} \
3096         -accelerator Del \
3097         -font font_ui
3098 .mbar.edit add separator
3099 .mbar.edit add command -label {Select All} \
3100         -command {catch {[focus] tag add sel 0.0 end}} \
3101         -accelerator $M1T-A \
3102         -font font_ui
3103
3104 # -- Branch Menu
3105 #
3106 if {!$single_commit} {
3107         menu .mbar.branch
3108
3109         .mbar.branch add command -label {Create...} \
3110                 -command do_create_branch \
3111                 -font font_ui
3112         lappend disable_on_lock [list .mbar.branch entryconf \
3113                 [.mbar.branch index last] -state]
3114
3115         .mbar.branch add command -label {Delete...} \
3116                 -command do_delete_branch \
3117                 -font font_ui
3118         lappend disable_on_lock [list .mbar.branch entryconf \
3119                 [.mbar.branch index last] -state]
3120 }
3121
3122 # -- Commit Menu
3123 #
3124 menu .mbar.commit
3125
3126 .mbar.commit add radiobutton \
3127         -label {New Commit} \
3128         -command do_select_commit_type \
3129         -variable selected_commit_type \
3130         -value new \
3131         -font font_ui
3132 lappend disable_on_lock \
3133         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3134
3135 .mbar.commit add radiobutton \
3136         -label {Amend Last Commit} \
3137         -command do_select_commit_type \
3138         -variable selected_commit_type \
3139         -value amend \
3140         -font font_ui
3141 lappend disable_on_lock \
3142         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3143
3144 .mbar.commit add separator
3145
3146 .mbar.commit add command -label Rescan \
3147         -command do_rescan \
3148         -accelerator F5 \
3149         -font font_ui
3150 lappend disable_on_lock \
3151         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3152
3153 .mbar.commit add command -label {Add To Commit} \
3154         -command do_add_selection \
3155         -font font_ui
3156 lappend disable_on_lock \
3157         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3158
3159 .mbar.commit add command -label {Add All To Commit} \
3160         -command do_add_all \
3161         -accelerator $M1T-I \
3162         -font font_ui
3163 lappend disable_on_lock \
3164         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3165
3166 .mbar.commit add command -label {Unstage From Commit} \
3167         -command do_unstage_selection \
3168         -font font_ui
3169 lappend disable_on_lock \
3170         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3171
3172 .mbar.commit add command -label {Revert Changes} \
3173         -command do_revert_selection \
3174         -font font_ui
3175 lappend disable_on_lock \
3176         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3177
3178 .mbar.commit add separator
3179
3180 .mbar.commit add command -label {Sign Off} \
3181         -command do_signoff \
3182         -accelerator $M1T-S \
3183         -font font_ui
3184
3185 .mbar.commit add command -label Commit \
3186         -command do_commit \
3187         -accelerator $M1T-Return \
3188         -font font_ui
3189 lappend disable_on_lock \
3190         [list .mbar.commit entryconf [.mbar.commit index last] -state]
3191
3192 # -- Transport menus
3193 #
3194 if {!$single_commit} {
3195         menu .mbar.fetch
3196         menu .mbar.pull
3197         menu .mbar.push
3198 }
3199
3200 if {[is_MacOSX]} {
3201         # -- Apple Menu (Mac OS X only)
3202         #
3203         .mbar add cascade -label Apple -menu .mbar.apple
3204         menu .mbar.apple
3205
3206         .mbar.apple add command -label "About [appname]" \
3207                 -command do_about \
3208                 -font font_ui
3209         .mbar.apple add command -label "[appname] Options..." \
3210                 -command do_options \
3211                 -font font_ui
3212 } else {
3213         # -- Edit Menu
3214         #
3215         .mbar.edit add separator
3216         .mbar.edit add command -label {Options...} \
3217                 -command do_options \
3218                 -font font_ui
3219
3220         # -- Tools Menu
3221         #
3222         if {[file exists /usr/local/miga/lib/gui-miga]
3223                 && [file exists .pvcsrc]} {
3224         proc do_miga {} {
3225                 global ui_status_value
3226                 if {![lock_index update]} return
3227                 set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
3228                 set miga_fd [open "|$cmd" r]
3229                 fconfigure $miga_fd -blocking 0
3230                 fileevent $miga_fd readable [list miga_done $miga_fd]
3231                 set ui_status_value {Running miga...}
3232         }
3233         proc miga_done {fd} {
3234                 read $fd 512
3235                 if {[eof $fd]} {
3236                         close $fd
3237                         unlock_index
3238                         rescan [list set ui_status_value {Ready.}]
3239                 }
3240         }
3241         .mbar add cascade -label Tools -menu .mbar.tools
3242         menu .mbar.tools
3243         .mbar.tools add command -label "Migrate" \
3244                 -command do_miga \
3245                 -font font_ui
3246         lappend disable_on_lock \
3247                 [list .mbar.tools entryconf [.mbar.tools index last] -state]
3248         }
3249
3250         # -- Help Menu
3251         #
3252         .mbar add cascade -label Help -menu .mbar.help
3253         menu .mbar.help
3254
3255         .mbar.help add command -label "About [appname]" \
3256                 -command do_about \
3257                 -font font_ui
3258 }
3259
3260
3261 # -- Branch Control
3262 #
3263 frame .branch \
3264         -borderwidth 1 \
3265         -relief sunken
3266 label .branch.l1 \
3267         -text {Current Branch:} \
3268         -anchor w \
3269         -justify left \
3270         -font font_ui
3271 label .branch.cb \
3272         -textvariable current_branch \
3273         -anchor w \
3274         -justify left \
3275         -font font_ui
3276 pack .branch.l1 -side left
3277 pack .branch.cb -side left -fill x
3278 pack .branch -side top -fill x
3279
3280 # -- Main Window Layout
3281 #
3282 panedwindow .vpane -orient vertical
3283 panedwindow .vpane.files -orient horizontal
3284 .vpane add .vpane.files -sticky nsew -height 100 -width 400
3285 pack .vpane -anchor n -side top -fill both -expand 1
3286
3287 # -- Index File List
3288 #
3289 frame .vpane.files.index -height 100 -width 400
3290 label .vpane.files.index.title -text {Changes To Be Committed} \
3291         -background green \
3292         -font font_ui
3293 text $ui_index -background white -borderwidth 0 \
3294         -width 40 -height 10 \
3295         -font font_ui \
3296         -cursor $cursor_ptr \
3297         -yscrollcommand {.vpane.files.index.sb set} \
3298         -state disabled
3299 scrollbar .vpane.files.index.sb -command [list $ui_index yview]
3300 pack .vpane.files.index.title -side top -fill x
3301 pack .vpane.files.index.sb -side right -fill y
3302 pack $ui_index -side left -fill both -expand 1
3303 .vpane.files add .vpane.files.index -sticky nsew
3304
3305 # -- Working Directory File List
3306 #
3307 frame .vpane.files.workdir -height 100 -width 100
3308 label .vpane.files.workdir.title -text {Changed But Not Updated} \
3309         -background red \
3310         -font font_ui
3311 text $ui_workdir -background white -borderwidth 0 \
3312         -width 40 -height 10 \
3313         -font font_ui \
3314         -cursor $cursor_ptr \
3315         -yscrollcommand {.vpane.files.workdir.sb set} \
3316         -state disabled
3317 scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
3318 pack .vpane.files.workdir.title -side top -fill x
3319 pack .vpane.files.workdir.sb -side right -fill y
3320 pack $ui_workdir -side left -fill both -expand 1
3321 .vpane.files add .vpane.files.workdir -sticky nsew
3322
3323 foreach i [list $ui_index $ui_workdir] {
3324         $i tag conf in_diff -font font_uibold
3325         $i tag conf in_sel \
3326                 -background [$i cget -foreground] \
3327                 -foreground [$i cget -background]
3328 }
3329 unset i
3330
3331 # -- Diff and Commit Area
3332 #
3333 frame .vpane.lower -height 300 -width 400
3334 frame .vpane.lower.commarea
3335 frame .vpane.lower.diff -relief sunken -borderwidth 1
3336 pack .vpane.lower.commarea -side top -fill x
3337 pack .vpane.lower.diff -side bottom -fill both -expand 1
3338 .vpane add .vpane.lower -stick nsew
3339
3340 # -- Commit Area Buttons
3341 #
3342 frame .vpane.lower.commarea.buttons
3343 label .vpane.lower.commarea.buttons.l -text {} \
3344         -anchor w \
3345         -justify left \
3346         -font font_ui
3347 pack .vpane.lower.commarea.buttons.l -side top -fill x
3348 pack .vpane.lower.commarea.buttons -side left -fill y
3349
3350 button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
3351         -command do_rescan \
3352         -font font_ui
3353 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3354 lappend disable_on_lock \
3355         {.vpane.lower.commarea.buttons.rescan conf -state}
3356
3357 button .vpane.lower.commarea.buttons.incall -text {Add All} \
3358         -command do_add_all \
3359         -font font_ui
3360 pack .vpane.lower.commarea.buttons.incall -side top -fill x
3361 lappend disable_on_lock \
3362         {.vpane.lower.commarea.buttons.incall conf -state}
3363
3364 button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
3365         -command do_signoff \
3366         -font font_ui
3367 pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3368
3369 button .vpane.lower.commarea.buttons.commit -text {Commit} \
3370         -command do_commit \
3371         -font font_ui
3372 pack .vpane.lower.commarea.buttons.commit -side top -fill x
3373 lappend disable_on_lock \
3374         {.vpane.lower.commarea.buttons.commit conf -state}
3375
3376 # -- Commit Message Buffer
3377 #
3378 frame .vpane.lower.commarea.buffer
3379 frame .vpane.lower.commarea.buffer.header
3380 set ui_comm .vpane.lower.commarea.buffer.t
3381 set ui_coml .vpane.lower.commarea.buffer.header.l
3382 radiobutton .vpane.lower.commarea.buffer.header.new \
3383         -text {New Commit} \
3384         -command do_select_commit_type \
3385         -variable selected_commit_type \
3386         -value new \
3387         -font font_ui
3388 lappend disable_on_lock \
3389         [list .vpane.lower.commarea.buffer.header.new conf -state]
3390 radiobutton .vpane.lower.commarea.buffer.header.amend \
3391         -text {Amend Last Commit} \
3392         -command do_select_commit_type \
3393         -variable selected_commit_type \
3394         -value amend \
3395         -font font_ui
3396 lappend disable_on_lock \
3397         [list .vpane.lower.commarea.buffer.header.amend conf -state]
3398 label $ui_coml \
3399         -anchor w \
3400         -justify left \
3401         -font font_ui
3402 proc trace_commit_type {varname args} {
3403         global ui_coml commit_type
3404         switch -glob -- $commit_type {
3405         initial       {set txt {Initial Commit Message:}}
3406         amend         {set txt {Amended Commit Message:}}
3407         amend-initial {set txt {Amended Initial Commit Message:}}
3408         amend-merge   {set txt {Amended Merge Commit Message:}}
3409         merge         {set txt {Merge Commit Message:}}
3410         *             {set txt {Commit Message:}}
3411         }
3412         $ui_coml conf -text $txt
3413 }
3414 trace add variable commit_type write trace_commit_type
3415 pack $ui_coml -side left -fill x
3416 pack .vpane.lower.commarea.buffer.header.amend -side right
3417 pack .vpane.lower.commarea.buffer.header.new -side right
3418
3419 text $ui_comm -background white -borderwidth 1 \
3420         -undo true \
3421         -maxundo 20 \
3422         -autoseparators true \
3423         -relief sunken \
3424         -width 75 -height 9 -wrap none \
3425         -font font_diff \
3426         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3427 scrollbar .vpane.lower.commarea.buffer.sby \
3428         -command [list $ui_comm yview]
3429 pack .vpane.lower.commarea.buffer.header -side top -fill x
3430 pack .vpane.lower.commarea.buffer.sby -side right -fill y
3431 pack $ui_comm -side left -fill y
3432 pack .vpane.lower.commarea.buffer -side left -fill y
3433
3434 # -- Commit Message Buffer Context Menu
3435 #
3436 set ctxm .vpane.lower.commarea.buffer.ctxm
3437 menu $ctxm -tearoff 0
3438 $ctxm add command \
3439         -label {Cut} \
3440         -font font_ui \
3441         -command {tk_textCut $ui_comm}
3442 $ctxm add command \
3443         -label {Copy} \
3444         -font font_ui \
3445         -command {tk_textCopy $ui_comm}
3446 $ctxm add command \
3447         -label {Paste} \
3448         -font font_ui \
3449         -command {tk_textPaste $ui_comm}
3450 $ctxm add command \
3451         -label {Delete} \
3452         -font font_ui \
3453         -command {$ui_comm delete sel.first sel.last}
3454 $ctxm add separator
3455 $ctxm add command \
3456         -label {Select All} \
3457         -font font_ui \
3458         -command {$ui_comm tag add sel 0.0 end}
3459 $ctxm add command \
3460         -label {Copy All} \
3461         -font font_ui \
3462         -command {
3463                 $ui_comm tag add sel 0.0 end
3464                 tk_textCopy $ui_comm
3465                 $ui_comm tag remove sel 0.0 end
3466         }
3467 $ctxm add separator
3468 $ctxm add command \
3469         -label {Sign Off} \
3470         -font font_ui \
3471         -command do_signoff
3472 bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
3473
3474 # -- Diff Header
3475 #
3476 set current_diff {}
3477 set diff_actions [list]
3478 proc trace_current_diff {varname args} {
3479         global current_diff diff_actions file_states
3480         if {$current_diff eq {}} {
3481                 set s {}
3482                 set f {}
3483                 set p {}
3484                 set o disabled
3485         } else {
3486                 set p $current_diff
3487                 set s [mapdesc [lindex $file_states($p) 0] $p]
3488                 set f {File:}
3489                 set p [escape_path $p]
3490                 set o normal
3491         }
3492
3493         .vpane.lower.diff.header.status configure -text $s
3494         .vpane.lower.diff.header.file configure -text $f
3495         .vpane.lower.diff.header.path configure -text $p
3496         foreach w $diff_actions {
3497                 uplevel #0 $w $o
3498         }
3499 }
3500 trace add variable current_diff write trace_current_diff
3501
3502 frame .vpane.lower.diff.header -background orange
3503 label .vpane.lower.diff.header.status \
3504         -background orange \
3505         -width $max_status_desc \
3506         -anchor w \
3507         -justify left \
3508         -font font_ui
3509 label .vpane.lower.diff.header.file \
3510         -background orange \
3511         -anchor w \
3512         -justify left \
3513         -font font_ui
3514 label .vpane.lower.diff.header.path \
3515         -background orange \
3516         -anchor w \
3517         -justify left \
3518         -font font_ui
3519 pack .vpane.lower.diff.header.status -side left
3520 pack .vpane.lower.diff.header.file -side left
3521 pack .vpane.lower.diff.header.path -fill x
3522 set ctxm .vpane.lower.diff.header.ctxm
3523 menu $ctxm -tearoff 0
3524 $ctxm add command \
3525         -label {Copy} \
3526         -font font_ui \
3527         -command {
3528                 clipboard clear
3529                 clipboard append \
3530                         -format STRING \
3531                         -type STRING \
3532                         -- $current_diff
3533         }
3534 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3535 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3536
3537 # -- Diff Body
3538 #
3539 frame .vpane.lower.diff.body
3540 set ui_diff .vpane.lower.diff.body.t
3541 text $ui_diff -background white -borderwidth 0 \
3542         -width 80 -height 15 -wrap none \
3543         -font font_diff \
3544         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3545         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3546         -state disabled
3547 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3548         -command [list $ui_diff xview]
3549 scrollbar .vpane.lower.diff.body.sby -orient vertical \
3550         -command [list $ui_diff yview]
3551 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3552 pack .vpane.lower.diff.body.sby -side right -fill y
3553 pack $ui_diff -side left -fill both -expand 1
3554 pack .vpane.lower.diff.header -side top -fill x
3555 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3556
3557 $ui_diff tag conf d_@ -font font_diffbold
3558 $ui_diff tag conf d_+  -foreground blue
3559 $ui_diff tag conf d_-  -foreground red
3560 $ui_diff tag conf d_++ -foreground {#00a000}
3561 $ui_diff tag conf d_-- -foreground {#a000a0}
3562 $ui_diff tag conf d_+- \
3563         -foreground red \
3564         -background {light goldenrod yellow}
3565 $ui_diff tag conf d_-+ \
3566         -foreground blue \
3567         -background azure2
3568
3569 # -- Diff Body Context Menu
3570 #
3571 set ctxm .vpane.lower.diff.body.ctxm
3572 menu $ctxm -tearoff 0
3573 $ctxm add command \
3574         -label {Copy} \
3575         -font font_ui \
3576         -command {tk_textCopy $ui_diff}
3577 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3578 $ctxm add command \
3579         -label {Select All} \
3580         -font font_ui \
3581         -command {$ui_diff tag add sel 0.0 end}
3582 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3583 $ctxm add command \
3584         -label {Copy All} \
3585         -font font_ui \
3586         -command {
3587                 $ui_diff tag add sel 0.0 end
3588                 tk_textCopy $ui_diff
3589                 $ui_diff tag remove sel 0.0 end
3590         }
3591 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3592 $ctxm add separator
3593 $ctxm add command \
3594         -label {Decrease Font Size} \
3595         -font font_ui \
3596         -command {incr_font_size font_diff -1}
3597 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3598 $ctxm add command \
3599         -label {Increase Font Size} \
3600         -font font_ui \
3601         -command {incr_font_size font_diff 1}
3602 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3603 $ctxm add separator
3604 $ctxm add command \
3605         -label {Show Less Context} \
3606         -font font_ui \
3607         -command {if {$repo_config(gui.diffcontext) >= 2} {
3608                 incr repo_config(gui.diffcontext) -1
3609                 reshow_diff
3610         }}
3611 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3612 $ctxm add command \
3613         -label {Show More Context} \
3614         -font font_ui \
3615         -command {
3616                 incr repo_config(gui.diffcontext)
3617                 reshow_diff
3618         }
3619 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3620 $ctxm add separator
3621 $ctxm add command -label {Options...} \
3622         -font font_ui \
3623         -command do_options
3624 bind_button3 $ui_diff "tk_popup $ctxm %X %Y"
3625
3626 # -- Status Bar
3627 #
3628 set ui_status_value {Initializing...}
3629 label .status -textvariable ui_status_value \
3630         -anchor w \
3631         -justify left \
3632         -borderwidth 1 \
3633         -relief sunken \
3634         -font font_ui
3635 pack .status -anchor w -side bottom -fill x
3636
3637 # -- Load geometry
3638 #
3639 catch {
3640 set gm $repo_config(gui.geometry)
3641 wm geometry . [lindex $gm 0]
3642 .vpane sash place 0 \
3643         [lindex [.vpane sash coord 0] 0] \
3644         [lindex $gm 1]
3645 .vpane.files sash place 0 \
3646         [lindex $gm 2] \
3647         [lindex [.vpane.files sash coord 0] 1]
3648 unset gm
3649 }
3650
3651 # -- Key Bindings
3652 #
3653 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3654 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3655 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3656 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3657 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3658 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3659 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3660 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3661 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3662 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3663 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3664
3665 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3666 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3667 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3668 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3669 bind $ui_diff <$M1B-Key-v> {break}
3670 bind $ui_diff <$M1B-Key-V> {break}
3671 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3672 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3673 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3674 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3675 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3676 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3677
3678 bind .   <Destroy> do_quit
3679 bind all <Key-F5> do_rescan
3680 bind all <$M1B-Key-r> do_rescan
3681 bind all <$M1B-Key-R> do_rescan
3682 bind .   <$M1B-Key-s> do_signoff
3683 bind .   <$M1B-Key-S> do_signoff
3684 bind .   <$M1B-Key-i> do_add_all
3685 bind .   <$M1B-Key-I> do_add_all
3686 bind .   <$M1B-Key-Return> do_commit
3687 bind all <$M1B-Key-q> do_quit
3688 bind all <$M1B-Key-Q> do_quit
3689 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3690 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3691 foreach i [list $ui_index $ui_workdir] {
3692         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3693         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3694         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3695 }
3696 unset i
3697
3698 set file_lists($ui_index) [list]
3699 set file_lists($ui_workdir) [list]
3700
3701 set HEAD {}
3702 set PARENT {}
3703 set MERGE_HEAD [list]
3704 set commit_type {}
3705 set empty_tree {}
3706 set current_branch {}
3707 set current_diff {}
3708 set selected_commit_type new
3709
3710 wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
3711 focus -force $ui_comm
3712
3713 # -- Warn the user about environmental problems.  Cygwin's Tcl
3714 #    does *not* pass its env array onto any processes it spawns.
3715 #    This means that git processes get none of our environment.
3716 #
3717 if {[is_Windows]} {
3718         set ignored_env 0
3719         set suggest_user {}
3720         set msg "Possible environment issues exist.
3721
3722 The following environment variables are probably
3723 going to be ignored by any Git subprocess run
3724 by [appname]:
3725
3726 "
3727         foreach name [array names env] {
3728                 switch -regexp -- $name {
3729                 {^GIT_INDEX_FILE$} -
3730                 {^GIT_OBJECT_DIRECTORY$} -
3731                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3732                 {^GIT_DIFF_OPTS$} -
3733                 {^GIT_EXTERNAL_DIFF$} -
3734                 {^GIT_PAGER$} -
3735                 {^GIT_TRACE$} -
3736                 {^GIT_CONFIG$} -
3737                 {^GIT_CONFIG_LOCAL$} -
3738                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3739                         append msg " - $name\n"
3740                         incr ignored_env
3741                 }
3742                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3743                         append msg " - $name\n"
3744                         incr ignored_env
3745                         set suggest_user $name
3746                 }
3747                 }
3748         }
3749         if {$ignored_env > 0} {
3750                 append msg "
3751 This is due to a known issue with the
3752 Tcl binary distributed by Cygwin."
3753
3754                 if {$suggest_user ne {}} {
3755                         append msg "
3756
3757 A good replacement for $suggest_user
3758 is placing values for the user.name and
3759 user.email settings into your personal
3760 ~/.gitconfig file.
3761 "
3762                 }
3763                 warn_popup $msg
3764         }
3765         unset ignored_env msg suggest_user name
3766 }
3767
3768 # -- Only initialize complex UI if we are going to stay running.
3769 #
3770 if {!$single_commit} {
3771         load_all_remotes
3772         load_all_heads
3773
3774         populate_branch_menu .mbar.branch
3775         populate_fetch_menu .mbar.fetch
3776         populate_pull_menu .mbar.pull
3777         populate_push_menu .mbar.push
3778 }
3779
3780 # -- Only suggest a gc run if we are going to stay running.
3781 #
3782 if {!$single_commit} {
3783         set object_limit 2000
3784         if {[is_Windows]} {set object_limit 200}
3785         regexp {^([0-9]+) objects,} [exec git count-objects] _junk objects_current
3786         if {$objects_current >= $object_limit} {
3787                 if {[ask_popup \
3788                         "This repository currently has $objects_current loose objects.
3789
3790 To maintain optimal performance it is strongly
3791 recommended that you compress the database
3792 when more than $object_limit loose objects exist.
3793
3794 Compress the database now?"] eq yes} {
3795                         do_gc
3796                 }
3797         }
3798         unset object_limit _junk objects_current
3799 }
3800
3801 lock_index begin-read
3802 after 1 do_rescan