git-gui/git-gui.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3  if test "z$*" = zversion \
   4  || test "z$*" = z--version; \
   5  then \
   6         echo 'git-gui version @@GITGUI_VERSION@@'; \
   7         exit; \
   8  fi; \
   9  exec wish "$0" -- "$@"
  10
  11 set appvers {@@GITGUI_VERSION@@}
  12 set copyright {
  13 Copyright © 2006, 2007 Shawn Pearce, et. al.
  14
  15 This program is free software; you can redistribute it and/or modify
  16 it under the terms of the GNU General Public License as published by
  17 the Free Software Foundation; either version 2 of the License, or
  18 (at your option) any later version.
  19
  20 This program is distributed in the hope that it will be useful,
  21 but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 GNU General Public License for more details.
  24
  25 You should have received a copy of the GNU General Public License
  26 along with this program; if not, write to the Free Software
  27 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  28
  29 ######################################################################
  30 ##
  31 ## Tcl/Tk sanity check
  32
  33 if {[catch {package require Tcl 8.4} err]
  34  || [catch {package require Tk  8.4} err]
  35 } {
  36         catch {wm withdraw .}
  37         tk_messageBox \
  38                 -icon error \
  39                 -type ok \
  40                 -title "git-gui: fatal error" \
  41                 -message $err
  42         exit 1
  43 }
  44
  45 ######################################################################
  46 ##
  47 ## enable verbose loading?
  48
  49 if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  50         unset _verbose
  51         rename auto_load real__auto_load
  52         proc auto_load {name args} {
  53                 puts stderr "auto_load $name"
  54                 return [uplevel 1 real__auto_load $name $args]
  55         }
  56         rename source real__source
  57         proc source {name} {
  58                 puts stderr "source    $name"
  59                 uplevel 1 real__source $name
  60         }
  61 }
  62
  63 ######################################################################
  64 ##
  65 ## configure our library
  66
  67 set oguilib {@@GITGUI_LIBDIR@@}
  68 set oguirel {@@GITGUI_RELATIVE@@}
  69 if {$oguirel eq {1}} {
  70         set oguilib [file dirname [file dirname [file normalize $argv0]]]
  71         set oguilib [file join $oguilib share git-gui lib]
  72 } elseif {[string match @@* $oguirel]} {
  73         set oguilib [file join [file dirname [file normalize $argv0]] lib]
  74 }
  75
  76 set idx [file join $oguilib tclIndex]
  77 if {[catch {set fd [open $idx r]} err]} {
  78         catch {wm withdraw .}
  79         tk_messageBox \
  80                 -icon error \
  81                 -type ok \
  82                 -title "git-gui: fatal error" \
  83                 -message $err
  84         exit 1
  85 }
  86 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
  87         set idx [list]
  88         while {[gets $fd n] >= 0} {
  89                 if {$n ne {} && ![string match #* $n]} {
  90                         lappend idx $n
  91                 }
  92         }
  93 } else {
  94         set idx {}
  95 }
  96 close $fd
  97
  98 if {$idx ne {}} {
  99         set loaded [list]
 100         foreach p $idx {
 101                 if {[lsearch -exact $loaded $p] >= 0} continue
 102                 source [file join $oguilib $p]
 103                 lappend loaded $p
 104         }
 105         unset loaded p
 106 } else {
 107         set auto_path [concat [list $oguilib] $auto_path]
 108 }
 109 unset -nocomplain oguirel idx fd
 110
 111 ######################################################################
 112 ##
 113 ## read only globals
 114
 115 set _appname [lindex [file split $argv0] end]
 116 set _gitdir {}
 117 set _gitexec {}
 118 set _reponame {}
 119 set _iscygwin {}
 120
 121 proc appname {} {
 122         global _appname
 123         return $_appname
 124 }
 125
 126 proc gitdir {args} {
 127         global _gitdir
 128         if {$args eq {}} {
 129                 return $_gitdir
 130         }
 131         return [eval [concat [list file join $_gitdir] $args]]
 132 }
 133
 134 proc gitexec {args} {
 135         global _gitexec
 136         if {$_gitexec eq {}} {
 137                 if {[catch {set _gitexec [git --exec-path]} err]} {
 138                         error "Git not installed?\n\n$err"
 139                 }
 140         }
 141         if {$args eq {}} {
 142                 return $_gitexec
 143         }
 144         return [eval [concat [list file join $_gitexec] $args]]
 145 }
 146
 147 proc reponame {} {
 148         global _reponame
 149         return $_reponame
 150 }
 151
 152 proc is_MacOSX {} {
 153         global tcl_platform tk_library
 154         if {[tk windowingsystem] eq {aqua}} {
 155                 return 1
 156         }
 157         return 0
 158 }
 159
 160 proc is_Windows {} {
 161         global tcl_platform
 162         if {$tcl_platform(platform) eq {windows}} {
 163                 return 1
 164         }
 165         return 0
 166 }
 167
 168 proc is_Cygwin {} {
 169         global tcl_platform _iscygwin
 170         if {$_iscygwin eq {}} {
 171                 if {$tcl_platform(platform) eq {windows}} {
 172                         if {[catch {set p [exec cygpath --windir]} err]} {
 173                                 set _iscygwin 0
 174                         } else {
 175                                 set _iscygwin 1
 176                         }
 177                 } else {
 178                         set _iscygwin 0
 179                 }
 180         }
 181         return $_iscygwin
 182 }
 183
 184 proc is_enabled {option} {
 185         global enabled_options
 186         if {[catch {set on $enabled_options($option)}]} {return 0}
 187         return $on
 188 }
 189
 190 proc enable_option {option} {
 191         global enabled_options
 192         set enabled_options($option) 1
 193 }
 194
 195 proc disable_option {option} {
 196         global enabled_options
 197         set enabled_options($option) 0
 198 }
 199
 200 ######################################################################
 201 ##
 202 ## config
 203
 204 proc is_many_config {name} {
 205         switch -glob -- $name {
 206         remote.*.fetch -
 207         remote.*.push
 208                 {return 1}
 209         *
 210                 {return 0}
 211         }
 212 }
 213
 214 proc is_config_true {name} {
 215         global repo_config
 216         if {[catch {set v $repo_config($name)}]} {
 217                 return 0
 218         } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 219                 return 1
 220         } else {
 221                 return 0
 222         }
 223 }
 224
 225 proc get_config {name} {
 226         global repo_config
 227         if {[catch {set v $repo_config($name)}]} {
 228                 return {}
 229         } else {
 230                 return $v
 231         }
 232 }
 233
 234 proc load_config {include_global} {
 235         global repo_config global_config default_config
 236
 237         array unset global_config
 238         if {$include_global} {
 239                 catch {
 240                         set fd_rc [open "| git config --global --list" r]
 241                         while {[gets $fd_rc line] >= 0} {
 242                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 243                                         if {[is_many_config $name]} {
 244                                                 lappend global_config($name) $value
 245                                         } else {
 246                                                 set global_config($name) $value
 247                                         }
 248                                 }
 249                         }
 250                         close $fd_rc
 251                 }
 252         }
 253
 254         array unset repo_config
 255         catch {
 256                 set fd_rc [open "| git config --list" r]
 257                 while {[gets $fd_rc line] >= 0} {
 258                         if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 259                                 if {[is_many_config $name]} {
 260                                         lappend repo_config($name) $value
 261                                 } else {
 262                                         set repo_config($name) $value
 263                                 }
 264                         }
 265                 }
 266                 close $fd_rc
 267         }
 268
 269         foreach name [array names default_config] {
 270                 if {[catch {set v $global_config($name)}]} {
 271                         set global_config($name) $default_config($name)
 272                 }
 273                 if {[catch {set v $repo_config($name)}]} {
 274                         set repo_config($name) $default_config($name)
 275                 }
 276         }
 277 }
 278
 279 ######################################################################
 280 ##
 281 ## handy utils
 282
 283 proc git {args} {
 284         return [eval exec git $args]
 285 }
 286
 287 proc current-branch {} {
 288         set ref {}
 289         set fd [open [gitdir HEAD] r]
 290         if {[gets $fd ref] <16
 291          || ![regsub {^ref: refs/heads/} $ref {} ref]} {
 292                 set ref {}
 293         }
 294         close $fd
 295         return $ref
 296 }
 297
 298 auto_load tk_optionMenu
 299 rename tk_optionMenu real__tkOptionMenu
 300 proc tk_optionMenu {w varName args} {
 301         set m [eval real__tkOptionMenu $w $varName $args]
 302         $m configure -font font_ui
 303         $w configure -font font_ui
 304         return $m
 305 }
 306
 307 ######################################################################
 308 ##
 309 ## version check
 310
 311 set req_maj 1
 312 set req_min 5
 313
 314 if {[catch {set v [git --version]} err]} {
 315         catch {wm withdraw .}
 316         error_popup "Cannot determine Git version:
 317
 318 $err
 319
 320 [appname] requires Git $req_maj.$req_min or later."
 321         exit 1
 322 }
 323 if {[regexp {^git version (\d+)\.(\d+)} $v _junk act_maj act_min]} {
 324         if {$act_maj < $req_maj
 325                 || ($act_maj == $req_maj && $act_min < $req_min)} {
 326                 catch {wm withdraw .}
 327                 error_popup "[appname] requires Git $req_maj.$req_min or later.
 328
 329 You are using $v."
 330                 exit 1
 331         }
 332 } else {
 333         catch {wm withdraw .}
 334         error_popup "Cannot parse Git version string:\n\n$v"
 335         exit 1
 336 }
 337 unset -nocomplain v _junk act_maj act_min req_maj req_min
 338
 339 ######################################################################
 340 ##
 341 ## repository setup
 342
 343 if {[catch {
 344                 set _gitdir $env(GIT_DIR)
 345                 set _prefix {}
 346                 }]
 347         && [catch {
 348                 set _gitdir [git rev-parse --git-dir]
 349                 set _prefix [git rev-parse --show-prefix]
 350         } err]} {
 351         catch {wm withdraw .}
 352         error_popup "Cannot find the git directory:\n\n$err"
 353         exit 1
 354 }
 355 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
 356         catch {set _gitdir [exec cygpath --unix $_gitdir]}
 357 }
 358 if {![file isdirectory $_gitdir]} {
 359         catch {wm withdraw .}
 360         error_popup "Git directory not found:\n\n$_gitdir"
 361         exit 1
 362 }
 363 if {[lindex [file split $_gitdir] end] ne {.git}} {
 364         catch {wm withdraw .}
 365         error_popup "Cannot use funny .git directory:\n\n$_gitdir"
 366         exit 1
 367 }
 368 if {[catch {cd [file dirname $_gitdir]} err]} {
 369         catch {wm withdraw .}
 370         error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 371         exit 1
 372 }
 373 set _reponame [lindex [file split \
 374         [file normalize [file dirname $_gitdir]]] \
 375         end]
 376
 377 ######################################################################
 378 ##
 379 ## global init
 380
 381 set current_diff_path {}
 382 set current_diff_side {}
 383 set diff_actions [list]
 384 set ui_status_value {Initializing...}
 385
 386 set HEAD {}
 387 set PARENT {}
 388 set MERGE_HEAD [list]
 389 set commit_type {}
 390 set empty_tree {}
 391 set current_branch {}
 392 set current_diff_path {}
 393 set selected_commit_type new
 394
 395 ######################################################################
 396 ##
 397 ## task management
 398
 399 set rescan_active 0
 400 set diff_active 0
 401 set last_clicked {}
 402
 403 set disable_on_lock [list]
 404 set index_lock_type none
 405
 406 proc lock_index {type} {
 407         global index_lock_type disable_on_lock
 408
 409         if {$index_lock_type eq {none}} {
 410                 set index_lock_type $type
 411                 foreach w $disable_on_lock {
 412                         uplevel #0 $w disabled
 413                 }
 414                 return 1
 415         } elseif {$index_lock_type eq "begin-$type"} {
 416                 set index_lock_type $type
 417                 return 1
 418         }
 419         return 0
 420 }
 421
 422 proc unlock_index {} {
 423         global index_lock_type disable_on_lock
 424
 425         set index_lock_type none
 426         foreach w $disable_on_lock {
 427                 uplevel #0 $w normal
 428         }
 429 }
 430
 431 ######################################################################
 432 ##
 433 ## status
 434
 435 proc repository_state {ctvar hdvar mhvar} {
 436         global current_branch
 437         upvar $ctvar ct $hdvar hd $mhvar mh
 438
 439         set mh [list]
 440
 441         set current_branch [current-branch]
 442         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
 443                 set hd {}
 444                 set ct initial
 445                 return
 446         }
 447
 448         set merge_head [gitdir MERGE_HEAD]
 449         if {[file exists $merge_head]} {
 450                 set ct merge
 451                 set fd_mh [open $merge_head r]
 452                 while {[gets $fd_mh line] >= 0} {
 453                         lappend mh $line
 454                 }
 455                 close $fd_mh
 456                 return
 457         }
 458
 459         set ct normal
 460 }
 461
 462 proc PARENT {} {
 463         global PARENT empty_tree
 464
 465         set p [lindex $PARENT 0]
 466         if {$p ne {}} {
 467                 return $p
 468         }
 469         if {$empty_tree eq {}} {
 470                 set empty_tree [git mktree << {}]
 471         }
 472         return $empty_tree
 473 }
 474
 475 proc rescan {after {honor_trustmtime 1}} {
 476         global HEAD PARENT MERGE_HEAD commit_type
 477         global ui_index ui_workdir ui_status_value ui_comm
 478         global rescan_active file_states
 479         global repo_config
 480
 481         if {$rescan_active > 0 || ![lock_index read]} return
 482
 483         repository_state newType newHEAD newMERGE_HEAD
 484         if {[string match amend* $commit_type]
 485                 && $newType eq {normal}
 486                 && $newHEAD eq $HEAD} {
 487         } else {
 488                 set HEAD $newHEAD
 489                 set PARENT $newHEAD
 490                 set MERGE_HEAD $newMERGE_HEAD
 491                 set commit_type $newType
 492         }
 493
 494         array unset file_states
 495
 496         if {![$ui_comm edit modified]
 497                 || [string trim [$ui_comm get 0.0 end]] eq {}} {
 498                 if {[string match amend* $commit_type]} {
 499                 } elseif {[load_message GITGUI_MSG]} {
 500                 } elseif {[load_message MERGE_MSG]} {
 501                 } elseif {[load_message SQUASH_MSG]} {
 502                 }
 503                 $ui_comm edit reset
 504                 $ui_comm edit modified false
 505         }
 506
 507         if {[is_enabled branch]} {
 508                 load_all_heads
 509                 populate_branch_menu
 510         }
 511
 512         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
 513                 rescan_stage2 {} $after
 514         } else {
 515                 set rescan_active 1
 516                 set ui_status_value {Refreshing file status...}
 517                 set cmd [list git update-index]
 518                 lappend cmd -q
 519                 lappend cmd --unmerged
 520                 lappend cmd --ignore-missing
 521                 lappend cmd --refresh
 522                 set fd_rf [open "| $cmd" r]
 523                 fconfigure $fd_rf -blocking 0 -translation binary
 524                 fileevent $fd_rf readable \
 525                         [list rescan_stage2 $fd_rf $after]
 526         }
 527 }
 528
 529 proc rescan_stage2 {fd after} {
 530         global ui_status_value
 531         global rescan_active buf_rdi buf_rdf buf_rlo
 532
 533         if {$fd ne {}} {
 534                 read $fd
 535                 if {![eof $fd]} return
 536                 close $fd
 537         }
 538
 539         set ls_others [list | git ls-files --others -z \
 540                 --exclude-per-directory=.gitignore]
 541         set info_exclude [gitdir info exclude]
 542         if {[file readable $info_exclude]} {
 543                 lappend ls_others "--exclude-from=$info_exclude"
 544         }
 545
 546         set buf_rdi {}
 547         set buf_rdf {}
 548         set buf_rlo {}
 549
 550         set rescan_active 3
 551         set ui_status_value {Scanning for modified files ...}
 552         set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 553         set fd_df [open "| git diff-files -z" r]
 554         set fd_lo [open $ls_others r]
 555
 556         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
 557         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
 558         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
 559         fileevent $fd_di readable [list read_diff_index $fd_di $after]
 560         fileevent $fd_df readable [list read_diff_files $fd_df $after]
 561         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 562 }
 563
 564 proc load_message {file} {
 565         global ui_comm
 566
 567         set f [gitdir $file]
 568         if {[file isfile $f]} {
 569                 if {[catch {set fd [open $f r]}]} {
 570                         return 0
 571                 }
 572                 set content [string trim [read $fd]]
 573                 close $fd
 574                 regsub -all -line {[ \r\t]+$} $content {} content
 575                 $ui_comm delete 0.0 end
 576                 $ui_comm insert end $content
 577                 return 1
 578         }
 579         return 0
 580 }
 581
 582 proc read_diff_index {fd after} {
 583         global buf_rdi
 584
 585         append buf_rdi [read $fd]
 586         set c 0
 587         set n [string length $buf_rdi]
 588         while {$c < $n} {
 589                 set z1 [string first "\0" $buf_rdi $c]
 590                 if {$z1 == -1} break
 591                 incr z1
 592                 set z2 [string first "\0" $buf_rdi $z1]
 593                 if {$z2 == -1} break
 594
 595                 incr c
 596                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 597                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
 598                 merge_state \
 599                         [encoding convertfrom $p] \
 600                         [lindex $i 4]? \
 601                         [list [lindex $i 0] [lindex $i 2]] \
 602                         [list]
 603                 set c $z2
 604                 incr c
 605         }
 606         if {$c < $n} {
 607                 set buf_rdi [string range $buf_rdi $c end]
 608         } else {
 609                 set buf_rdi {}
 610         }
 611
 612         rescan_done $fd buf_rdi $after
 613 }
 614
 615 proc read_diff_files {fd after} {
 616         global buf_rdf
 617
 618         append buf_rdf [read $fd]
 619         set c 0
 620         set n [string length $buf_rdf]
 621         while {$c < $n} {
 622                 set z1 [string first "\0" $buf_rdf $c]
 623                 if {$z1 == -1} break
 624                 incr z1
 625                 set z2 [string first "\0" $buf_rdf $z1]
 626                 if {$z2 == -1} break
 627
 628                 incr c
 629                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 630                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
 631                 merge_state \
 632                         [encoding convertfrom $p] \
 633                         ?[lindex $i 4] \
 634                         [list] \
 635                         [list [lindex $i 0] [lindex $i 2]]
 636                 set c $z2
 637                 incr c
 638         }
 639         if {$c < $n} {
 640                 set buf_rdf [string range $buf_rdf $c end]
 641         } else {
 642                 set buf_rdf {}
 643         }
 644
 645         rescan_done $fd buf_rdf $after
 646 }
 647
 648 proc read_ls_others {fd after} {
 649         global buf_rlo
 650
 651         append buf_rlo [read $fd]
 652         set pck [split $buf_rlo "\0"]
 653         set buf_rlo [lindex $pck end]
 654         foreach p [lrange $pck 0 end-1] {
 655                 merge_state [encoding convertfrom $p] ?O
 656         }
 657         rescan_done $fd buf_rlo $after
 658 }
 659
 660 proc rescan_done {fd buf after} {
 661         global rescan_active current_diff_path
 662         global file_states repo_config
 663         upvar $buf to_clear
 664
 665         if {![eof $fd]} return
 666         set to_clear {}
 667         close $fd
 668         if {[incr rescan_active -1] > 0} return
 669
 670         prune_selection
 671         unlock_index
 672         display_all_files
 673         if {$current_diff_path ne {}} reshow_diff
 674         uplevel #0 $after
 675 }
 676
 677 proc prune_selection {} {
 678         global file_states selected_paths
 679
 680         foreach path [array names selected_paths] {
 681                 if {[catch {set still_here $file_states($path)}]} {
 682                         unset selected_paths($path)
 683                 }
 684         }
 685 }
 686
 687 ######################################################################
 688 ##
 689 ## ui helpers
 690
 691 proc mapicon {w state path} {
 692         global all_icons
 693
 694         if {[catch {set r $all_icons($state$w)}]} {
 695                 puts "error: no icon for $w state={$state} $path"
 696                 return file_plain
 697         }
 698         return $r
 699 }
 700
 701 proc mapdesc {state path} {
 702         global all_descs
 703
 704         if {[catch {set r $all_descs($state)}]} {
 705                 puts "error: no desc for state={$state} $path"
 706                 return $state
 707         }
 708         return $r
 709 }
 710
 711 proc escape_path {path} {
 712         regsub -all {\\} $path "\\\\" path
 713         regsub -all "\n" $path "\\n" path
 714         return $path
 715 }
 716
 717 proc short_path {path} {
 718         return [escape_path [lindex [file split $path] end]]
 719 }
 720
 721 set next_icon_id 0
 722 set null_sha1 [string repeat 0 40]
 723
 724 proc merge_state {path new_state {head_info {}} {index_info {}}} {
 725         global file_states next_icon_id null_sha1
 726
 727         set s0 [string index $new_state 0]
 728         set s1 [string index $new_state 1]
 729
 730         if {[catch {set info $file_states($path)}]} {
 731                 set state __
 732                 set icon n[incr next_icon_id]
 733         } else {
 734                 set state [lindex $info 0]
 735                 set icon [lindex $info 1]
 736                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
 737                 if {$index_info eq {}} {set index_info [lindex $info 3]}
 738         }
 739
 740         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
 741         elseif {$s0 eq {_}} {set s0 _}
 742
 743         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
 744         elseif {$s1 eq {_}} {set s1 _}
 745
 746         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
 747                 set head_info [list 0 $null_sha1]
 748         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
 749                 && $head_info eq {}} {
 750                 set head_info $index_info
 751         }
 752
 753         set file_states($path) [list $s0$s1 $icon \
 754                 $head_info $index_info \
 755                 ]
 756         return $state
 757 }
 758
 759 proc display_file_helper {w path icon_name old_m new_m} {
 760         global file_lists
 761
 762         if {$new_m eq {_}} {
 763                 set lno [lsearch -sorted -exact $file_lists($w) $path]
 764                 if {$lno >= 0} {
 765                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
 766                         incr lno
 767                         $w conf -state normal
 768                         $w delete $lno.0 [expr {$lno + 1}].0
 769                         $w conf -state disabled
 770                 }
 771         } elseif {$old_m eq {_} && $new_m ne {_}} {
 772                 lappend file_lists($w) $path
 773                 set file_lists($w) [lsort -unique $file_lists($w)]
 774                 set lno [lsearch -sorted -exact $file_lists($w) $path]
 775                 incr lno
 776                 $w conf -state normal
 777                 $w image create $lno.0 \
 778                         -align center -padx 5 -pady 1 \
 779                         -name $icon_name \
 780                         -image [mapicon $w $new_m $path]
 781                 $w insert $lno.1 "[escape_path $path]\n"
 782                 $w conf -state disabled
 783         } elseif {$old_m ne $new_m} {
 784                 $w conf -state normal
 785                 $w image conf $icon_name -image [mapicon $w $new_m $path]
 786                 $w conf -state disabled
 787         }
 788 }
 789
 790 proc display_file {path state} {
 791         global file_states selected_paths
 792         global ui_index ui_workdir
 793
 794         set old_m [merge_state $path $state]
 795         set s $file_states($path)
 796         set new_m [lindex $s 0]
 797         set icon_name [lindex $s 1]
 798
 799         set o [string index $old_m 0]
 800         set n [string index $new_m 0]
 801         if {$o eq {U}} {
 802                 set o _
 803         }
 804         if {$n eq {U}} {
 805                 set n _
 806         }
 807         display_file_helper     $ui_index $path $icon_name $o $n
 808
 809         if {[string index $old_m 0] eq {U}} {
 810                 set o U
 811         } else {
 812                 set o [string index $old_m 1]
 813         }
 814         if {[string index $new_m 0] eq {U}} {
 815                 set n U
 816         } else {
 817                 set n [string index $new_m 1]
 818         }
 819         display_file_helper     $ui_workdir $path $icon_name $o $n
 820
 821         if {$new_m eq {__}} {
 822                 unset file_states($path)
 823                 catch {unset selected_paths($path)}
 824         }
 825 }
 826
 827 proc display_all_files_helper {w path icon_name m} {
 828         global file_lists
 829
 830         lappend file_lists($w) $path
 831         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
 832         $w image create end \
 833                 -align center -padx 5 -pady 1 \
 834                 -name $icon_name \
 835                 -image [mapicon $w $m $path]
 836         $w insert end "[escape_path $path]\n"
 837 }
 838
 839 proc display_all_files {} {
 840         global ui_index ui_workdir
 841         global file_states file_lists
 842         global last_clicked
 843
 844         $ui_index conf -state normal
 845         $ui_workdir conf -state normal
 846
 847         $ui_index delete 0.0 end
 848         $ui_workdir delete 0.0 end
 849         set last_clicked {}
 850
 851         set file_lists($ui_index) [list]
 852         set file_lists($ui_workdir) [list]
 853
 854         foreach path [lsort [array names file_states]] {
 855                 set s $file_states($path)
 856                 set m [lindex $s 0]
 857                 set icon_name [lindex $s 1]
 858
 859                 set s [string index $m 0]
 860                 if {$s ne {U} && $s ne {_}} {
 861                         display_all_files_helper $ui_index $path \
 862                                 $icon_name $s
 863                 }
 864
 865                 if {[string index $m 0] eq {U}} {
 866                         set s U
 867                 } else {
 868                         set s [string index $m 1]
 869                 }
 870                 if {$s ne {_}} {
 871                         display_all_files_helper $ui_workdir $path \
 872                                 $icon_name $s
 873                 }
 874         }
 875
 876         $ui_index conf -state disabled
 877         $ui_workdir conf -state disabled
 878 }
 879
 880 ######################################################################
 881 ##
 882 ## icons
 883
 884 set filemask {
 885 #define mask_width 14
 886 #define mask_height 15
 887 static unsigned char mask_bits[] = {
 888    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
 889    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
 890    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
 891 }
 892
 893 image create bitmap file_plain -background white -foreground black -data {
 894 #define plain_width 14
 895 #define plain_height 15
 896 static unsigned char plain_bits[] = {
 897    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
 898    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
 899    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 900 } -maskdata $filemask
 901
 902 image create bitmap file_mod -background white -foreground blue -data {
 903 #define mod_width 14
 904 #define mod_height 15
 905 static unsigned char mod_bits[] = {
 906    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
 907    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
 908    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
 909 } -maskdata $filemask
 910
 911 image create bitmap file_fulltick -background white -foreground "#007000" -data {
 912 #define file_fulltick_width 14
 913 #define file_fulltick_height 15
 914 static unsigned char file_fulltick_bits[] = {
 915    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
 916    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
 917    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 918 } -maskdata $filemask
 919
 920 image create bitmap file_parttick -background white -foreground "#005050" -data {
 921 #define parttick_width 14
 922 #define parttick_height 15
 923 static unsigned char parttick_bits[] = {
 924    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
 925    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
 926    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 927 } -maskdata $filemask
 928
 929 image create bitmap file_question -background white -foreground black -data {
 930 #define file_question_width 14
 931 #define file_question_height 15
 932 static unsigned char file_question_bits[] = {
 933    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
 934    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
 935    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 936 } -maskdata $filemask
 937
 938 image create bitmap file_removed -background white -foreground red -data {
 939 #define file_removed_width 14
 940 #define file_removed_height 15
 941 static unsigned char file_removed_bits[] = {
 942    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
 943    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
 944    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
 945 } -maskdata $filemask
 946
 947 image create bitmap file_merge -background white -foreground blue -data {
 948 #define file_merge_width 14
 949 #define file_merge_height 15
 950 static unsigned char file_merge_bits[] = {
 951    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
 952    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
 953    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
 954 } -maskdata $filemask
 955
 956 set file_dir_data {
 957 #define file_width 18
 958 #define file_height 18
 959 static unsigned char file_bits[] = {
 960   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00,
 961   0x0c, 0x03, 0x00, 0x04, 0xfe, 0x00, 0x06, 0x80, 0x00, 0xff, 0x9f, 0x00,
 962   0x03, 0x98, 0x00, 0x02, 0x90, 0x00, 0x06, 0xb0, 0x00, 0x04, 0xa0, 0x00,
 963   0x0c, 0xe0, 0x00, 0x08, 0xc0, 0x00, 0xf8, 0xff, 0x00, 0x00, 0x00, 0x00,
 964   0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 965 }
 966 image create bitmap file_dir -background white -foreground blue \
 967         -data $file_dir_data -maskdata $file_dir_data
 968 unset file_dir_data
 969
 970 set file_uplevel_data {
 971 #define up_width 15
 972 #define up_height 15
 973 static unsigned char up_bits[] = {
 974   0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,
 975   0xfe, 0x3f, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,
 976   0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00};
 977 }
 978 image create bitmap file_uplevel -background white -foreground red \
 979         -data $file_uplevel_data -maskdata $file_uplevel_data
 980 unset file_uplevel_data
 981
 982 set ui_index .vpane.files.index.list
 983 set ui_workdir .vpane.files.workdir.list
 984
 985 set all_icons(_$ui_index)   file_plain
 986 set all_icons(A$ui_index)   file_fulltick
 987 set all_icons(M$ui_index)   file_fulltick
 988 set all_icons(D$ui_index)   file_removed
 989 set all_icons(U$ui_index)   file_merge
 990
 991 set all_icons(_$ui_workdir) file_plain
 992 set all_icons(M$ui_workdir) file_mod
 993 set all_icons(D$ui_workdir) file_question
 994 set all_icons(U$ui_workdir) file_merge
 995 set all_icons(O$ui_workdir) file_plain
 996
 997 set max_status_desc 0
 998 foreach i {
 999                 {__ "Unmodified"}
1000
1001                 {_M "Modified, not staged"}
1002                 {M_ "Staged for commit"}
1003                 {MM "Portions staged for commit"}
1004                 {MD "Staged for commit, missing"}
1005
1006                 {_O "Untracked, not staged"}
1007                 {A_ "Staged for commit"}
1008                 {AM "Portions staged for commit"}
1009                 {AD "Staged for commit, missing"}
1010
1011                 {_D "Missing"}
1012                 {D_ "Staged for removal"}
1013                 {DO "Staged for removal, still present"}
1014
1015                 {U_ "Requires merge resolution"}
1016                 {UU "Requires merge resolution"}
1017                 {UM "Requires merge resolution"}
1018                 {UD "Requires merge resolution"}
1019         } {
1020         if {$max_status_desc < [string length [lindex $i 1]]} {
1021                 set max_status_desc [string length [lindex $i 1]]
1022         }
1023         set all_descs([lindex $i 0]) [lindex $i 1]
1024 }
1025 unset i
1026
1027 ######################################################################
1028 ##
1029 ## util
1030
1031 proc bind_button3 {w cmd} {
1032         bind $w <Any-Button-3> $cmd
1033         if {[is_MacOSX]} {
1034                 bind $w <Control-Button-1> $cmd
1035         }
1036 }
1037
1038 proc scrollbar2many {list mode args} {
1039         foreach w $list {eval $w $mode $args}
1040 }
1041
1042 proc many2scrollbar {list mode sb top bottom} {
1043         $sb set $top $bottom
1044         foreach w $list {$w $mode moveto $top}
1045 }
1046
1047 proc incr_font_size {font {amt 1}} {
1048         set sz [font configure $font -size]
1049         incr sz $amt
1050         font configure $font -size $sz
1051         font configure ${font}bold -size $sz
1052         font configure ${font}italic -size $sz
1053 }
1054
1055 ######################################################################
1056 ##
1057 ## ui commands
1058
1059 set starting_gitk_msg {Starting gitk... please wait...}
1060
1061 proc do_gitk {revs} {
1062         global env ui_status_value starting_gitk_msg
1063
1064         # -- Always start gitk through whatever we were loaded with.  This
1065         #    lets us bypass using shell process on Windows systems.
1066         #
1067         set cmd [list [info nameofexecutable]]
1068         lappend cmd [gitexec gitk]
1069         if {$revs ne {}} {
1070                 append cmd { }
1071                 append cmd $revs
1072         }
1073
1074         if {[catch {eval exec $cmd &} err]} {
1075                 error_popup "Failed to start gitk:\n\n$err"
1076         } else {
1077                 set ui_status_value $starting_gitk_msg
1078                 after 10000 {
1079                         if {$ui_status_value eq $starting_gitk_msg} {
1080                                 set ui_status_value {Ready.}
1081                         }
1082                 }
1083         }
1084 }
1085
1086 set is_quitting 0
1087
1088 proc do_quit {} {
1089         global ui_comm is_quitting repo_config commit_type
1090
1091         if {$is_quitting} return
1092         set is_quitting 1
1093
1094         if {[winfo exists $ui_comm]} {
1095                 # -- Stash our current commit buffer.
1096                 #
1097                 set save [gitdir GITGUI_MSG]
1098                 set msg [string trim [$ui_comm get 0.0 end]]
1099                 regsub -all -line {[ \r\t]+$} $msg {} msg
1100                 if {(![string match amend* $commit_type]
1101                         || [$ui_comm edit modified])
1102                         && $msg ne {}} {
1103                         catch {
1104                                 set fd [open $save w]
1105                                 puts -nonewline $fd $msg
1106                                 close $fd
1107                         }
1108                 } else {
1109                         catch {file delete $save}
1110                 }
1111
1112                 # -- Stash our current window geometry into this repository.
1113                 #
1114                 set cfg_geometry [list]
1115                 lappend cfg_geometry [wm geometry .]
1116                 lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
1117                 lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
1118                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1119                         set rc_geometry {}
1120                 }
1121                 if {$cfg_geometry ne $rc_geometry} {
1122                         catch {git config gui.geometry $cfg_geometry}
1123                 }
1124         }
1125
1126         destroy .
1127 }
1128
1129 proc do_rescan {} {
1130         rescan {set ui_status_value {Ready.}}
1131 }
1132
1133 proc do_commit {} {
1134         commit_tree
1135 }
1136
1137 proc toggle_or_diff {w x y} {
1138         global file_states file_lists current_diff_path ui_index ui_workdir
1139         global last_clicked selected_paths
1140
1141         set pos [split [$w index @$x,$y] .]
1142         set lno [lindex $pos 0]
1143         set col [lindex $pos 1]
1144         set path [lindex $file_lists($w) [expr {$lno - 1}]]
1145         if {$path eq {}} {
1146                 set last_clicked {}
1147                 return
1148         }
1149
1150         set last_clicked [list $w $lno]
1151         array unset selected_paths
1152         $ui_index tag remove in_sel 0.0 end
1153         $ui_workdir tag remove in_sel 0.0 end
1154
1155         if {$col == 0} {
1156                 if {$current_diff_path eq $path} {
1157                         set after {reshow_diff;}
1158                 } else {
1159                         set after {}
1160                 }
1161                 if {$w eq $ui_index} {
1162                         update_indexinfo \
1163                                 "Unstaging [short_path $path] from commit" \
1164                                 [list $path] \
1165                                 [concat $after {set ui_status_value {Ready.}}]
1166                 } elseif {$w eq $ui_workdir} {
1167                         update_index \
1168                                 "Adding [short_path $path]" \
1169                                 [list $path] \
1170                                 [concat $after {set ui_status_value {Ready.}}]
1171                 }
1172         } else {
1173                 show_diff $path $w $lno
1174         }
1175 }
1176
1177 proc add_one_to_selection {w x y} {
1178         global file_lists last_clicked selected_paths
1179
1180         set lno [lindex [split [$w index @$x,$y] .] 0]
1181         set path [lindex $file_lists($w) [expr {$lno - 1}]]
1182         if {$path eq {}} {
1183                 set last_clicked {}
1184                 return
1185         }
1186
1187         if {$last_clicked ne {}
1188                 && [lindex $last_clicked 0] ne $w} {
1189                 array unset selected_paths
1190                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
1191         }
1192
1193         set last_clicked [list $w $lno]
1194         if {[catch {set in_sel $selected_paths($path)}]} {
1195                 set in_sel 0
1196         }
1197         if {$in_sel} {
1198                 unset selected_paths($path)
1199                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
1200         } else {
1201                 set selected_paths($path) 1
1202                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
1203         }
1204 }
1205
1206 proc add_range_to_selection {w x y} {
1207         global file_lists last_clicked selected_paths
1208
1209         if {[lindex $last_clicked 0] ne $w} {
1210                 toggle_or_diff $w $x $y
1211                 return
1212         }
1213
1214         set lno [lindex [split [$w index @$x,$y] .] 0]
1215         set lc [lindex $last_clicked 1]
1216         if {$lc < $lno} {
1217                 set begin $lc
1218                 set end $lno
1219         } else {
1220                 set begin $lno
1221                 set end $lc
1222         }
1223
1224         foreach path [lrange $file_lists($w) \
1225                 [expr {$begin - 1}] \
1226                 [expr {$end - 1}]] {
1227                 set selected_paths($path) 1
1228         }
1229         $w tag add in_sel $begin.0 [expr {$end + 1}].0
1230 }
1231
1232 ######################################################################
1233 ##
1234 ## config defaults
1235
1236 set cursor_ptr arrow
1237 font create font_diff -family Courier -size 10
1238 font create font_ui
1239 catch {
1240         label .dummy
1241         eval font configure font_ui [font actual [.dummy cget -font]]
1242         destroy .dummy
1243 }
1244
1245 font create font_uiitalic
1246 font create font_uibold
1247 font create font_diffbold
1248 font create font_diffitalic
1249
1250 foreach class {Button Checkbutton Entry Label
1251                 Labelframe Listbox Menu Message
1252                 Radiobutton Spinbox Text} {
1253         option add *$class.font font_ui
1254 }
1255 unset class
1256
1257 if {[is_Windows] || [is_MacOSX]} {
1258         option add *Menu.tearOff 0
1259 }
1260
1261 if {[is_MacOSX]} {
1262         set M1B M1
1263         set M1T Cmd
1264 } else {
1265         set M1B Control
1266         set M1T Ctrl
1267 }
1268
1269 proc apply_config {} {
1270         global repo_config font_descs
1271
1272         foreach option $font_descs {
1273                 set name [lindex $option 0]
1274                 set font [lindex $option 1]
1275                 if {[catch {
1276                         foreach {cn cv} $repo_config(gui.$name) {
1277                                 font configure $font $cn $cv
1278                         }
1279                         } err]} {
1280                         error_popup "Invalid font specified in gui.$name:\n\n$err"
1281                 }
1282                 foreach {cn cv} [font configure $font] {
1283                         font configure ${font}bold $cn $cv
1284                         font configure ${font}italic $cn $cv
1285                 }
1286                 font configure ${font}bold -weight bold
1287                 font configure ${font}italic -slant italic
1288         }
1289 }
1290
1291 set default_config(merge.diffstat) true
1292 set default_config(merge.summary) false
1293 set default_config(merge.verbosity) 2
1294 set default_config(user.name) {}
1295 set default_config(user.email) {}
1296
1297 set default_config(gui.pruneduringfetch) false
1298 set default_config(gui.trustmtime) false
1299 set default_config(gui.diffcontext) 5
1300 set default_config(gui.newbranchtemplate) {}
1301 set default_config(gui.fontui) [font configure font_ui]
1302 set default_config(gui.fontdiff) [font configure font_diff]
1303 set font_descs {
1304         {fontui   font_ui   {Main Font}}
1305         {fontdiff font_diff {Diff/Console Font}}
1306 }
1307 load_config 0
1308 apply_config
1309
1310 ######################################################################
1311 ##
1312 ## feature option selection
1313
1314 if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
1315         unset _junk
1316 } else {
1317         set subcommand gui
1318 }
1319 if {$subcommand eq {gui.sh}} {
1320         set subcommand gui
1321 }
1322 if {$subcommand eq {gui} && [llength $argv] > 0} {
1323         set subcommand [lindex $argv 0]
1324         set argv [lrange $argv 1 end]
1325 }
1326
1327 enable_option multicommit
1328 enable_option branch
1329 enable_option transport
1330
1331 switch -- $subcommand {
1332 browser -
1333 blame {
1334         disable_option multicommit
1335         disable_option branch
1336         disable_option transport
1337 }
1338 citool {
1339         enable_option singlecommit
1340
1341         disable_option multicommit
1342         disable_option branch
1343         disable_option transport
1344 }
1345 }
1346
1347 ######################################################################
1348 ##
1349 ## ui construction
1350
1351 set ui_comm {}
1352
1353 # -- Menu Bar
1354 #
1355 menu .mbar -tearoff 0
1356 .mbar add cascade -label Repository -menu .mbar.repository
1357 .mbar add cascade -label Edit -menu .mbar.edit
1358 if {[is_enabled branch]} {
1359         .mbar add cascade -label Branch -menu .mbar.branch
1360 }
1361 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1362         .mbar add cascade -label Commit -menu .mbar.commit
1363 }
1364 if {[is_enabled transport]} {
1365         .mbar add cascade -label Merge -menu .mbar.merge
1366         .mbar add cascade -label Fetch -menu .mbar.fetch
1367         .mbar add cascade -label Push -menu .mbar.push
1368 }
1369 . configure -menu .mbar
1370
1371 # -- Repository Menu
1372 #
1373 menu .mbar.repository
1374
1375 .mbar.repository add command \
1376         -label {Browse Current Branch} \
1377         -command {browser::new $current_branch}
1378 trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$current_branch\" ;#"
1379 .mbar.repository add separator
1380
1381 .mbar.repository add command \
1382         -label {Visualize Current Branch} \
1383         -command {do_gitk $current_branch}
1384 trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
1385 .mbar.repository add command \
1386         -label {Visualize All Branches} \
1387         -command {do_gitk --all}
1388 .mbar.repository add separator
1389
1390 if {[is_enabled multicommit]} {
1391         .mbar.repository add command -label {Database Statistics} \
1392                 -command do_stats
1393
1394         .mbar.repository add command -label {Compress Database} \
1395                 -command do_gc
1396
1397         .mbar.repository add command -label {Verify Database} \
1398                 -command do_fsck_objects
1399
1400         .mbar.repository add separator
1401
1402         if {[is_Cygwin]} {
1403                 .mbar.repository add command \
1404                         -label {Create Desktop Icon} \
1405                         -command do_cygwin_shortcut
1406         } elseif {[is_Windows]} {
1407                 .mbar.repository add command \
1408                         -label {Create Desktop Icon} \
1409                         -command do_windows_shortcut
1410         } elseif {[is_MacOSX]} {
1411                 .mbar.repository add command \
1412                         -label {Create Desktop Icon} \
1413                         -command do_macosx_app
1414         }
1415 }
1416
1417 .mbar.repository add command -label Quit \
1418         -command do_quit \
1419         -accelerator $M1T-Q
1420
1421 # -- Edit Menu
1422 #
1423 menu .mbar.edit
1424 .mbar.edit add command -label Undo \
1425         -command {catch {[focus] edit undo}} \
1426         -accelerator $M1T-Z
1427 .mbar.edit add command -label Redo \
1428         -command {catch {[focus] edit redo}} \
1429         -accelerator $M1T-Y
1430 .mbar.edit add separator
1431 .mbar.edit add command -label Cut \
1432         -command {catch {tk_textCut [focus]}} \
1433         -accelerator $M1T-X
1434 .mbar.edit add command -label Copy \
1435         -command {catch {tk_textCopy [focus]}} \
1436         -accelerator $M1T-C
1437 .mbar.edit add command -label Paste \
1438         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
1439         -accelerator $M1T-V
1440 .mbar.edit add command -label Delete \
1441         -command {catch {[focus] delete sel.first sel.last}} \
1442         -accelerator Del
1443 .mbar.edit add separator
1444 .mbar.edit add command -label {Select All} \
1445         -command {catch {[focus] tag add sel 0.0 end}} \
1446         -accelerator $M1T-A
1447
1448 # -- Branch Menu
1449 #
1450 if {[is_enabled branch]} {
1451         menu .mbar.branch
1452
1453         .mbar.branch add command -label {Create...} \
1454                 -command do_create_branch \
1455                 -accelerator $M1T-N
1456         lappend disable_on_lock [list .mbar.branch entryconf \
1457                 [.mbar.branch index last] -state]
1458
1459         .mbar.branch add command -label {Rename...} \
1460                 -command branch_rename::dialog
1461         lappend disable_on_lock [list .mbar.branch entryconf \
1462                 [.mbar.branch index last] -state]
1463
1464         .mbar.branch add command -label {Delete...} \
1465                 -command do_delete_branch
1466         lappend disable_on_lock [list .mbar.branch entryconf \
1467                 [.mbar.branch index last] -state]
1468
1469         .mbar.branch add command -label {Reset...} \
1470                 -command merge::reset_hard
1471         lappend disable_on_lock [list .mbar.branch entryconf \
1472                 [.mbar.branch index last] -state]
1473 }
1474
1475 # -- Commit Menu
1476 #
1477 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1478         menu .mbar.commit
1479
1480         .mbar.commit add radiobutton \
1481                 -label {New Commit} \
1482                 -command do_select_commit_type \
1483                 -variable selected_commit_type \
1484                 -value new
1485         lappend disable_on_lock \
1486                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1487
1488         .mbar.commit add radiobutton \
1489                 -label {Amend Last Commit} \
1490                 -command do_select_commit_type \
1491                 -variable selected_commit_type \
1492                 -value amend
1493         lappend disable_on_lock \
1494                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1495
1496         .mbar.commit add separator
1497
1498         .mbar.commit add command -label Rescan \
1499                 -command do_rescan \
1500                 -accelerator F5
1501         lappend disable_on_lock \
1502                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1503
1504         .mbar.commit add command -label {Add To Commit} \
1505                 -command do_add_selection
1506         lappend disable_on_lock \
1507                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1508
1509         .mbar.commit add command -label {Add Existing To Commit} \
1510                 -command do_add_all \
1511                 -accelerator $M1T-I
1512         lappend disable_on_lock \
1513                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1514
1515         .mbar.commit add command -label {Unstage From Commit} \
1516                 -command do_unstage_selection
1517         lappend disable_on_lock \
1518                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1519
1520         .mbar.commit add command -label {Revert Changes} \
1521                 -command do_revert_selection
1522         lappend disable_on_lock \
1523                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1524
1525         .mbar.commit add separator
1526
1527         .mbar.commit add command -label {Sign Off} \
1528                 -command do_signoff \
1529                 -accelerator $M1T-S
1530
1531         .mbar.commit add command -label Commit \
1532                 -command do_commit \
1533                 -accelerator $M1T-Return
1534         lappend disable_on_lock \
1535                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
1536 }
1537
1538 # -- Merge Menu
1539 #
1540 if {[is_enabled branch]} {
1541         menu .mbar.merge
1542         .mbar.merge add command -label {Local Merge...} \
1543                 -command merge::dialog
1544         lappend disable_on_lock \
1545                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
1546         .mbar.merge add command -label {Abort Merge...} \
1547                 -command merge::reset_hard
1548         lappend disable_on_lock \
1549                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
1550
1551 }
1552
1553 # -- Transport Menu
1554 #
1555 if {[is_enabled transport]} {
1556         menu .mbar.fetch
1557
1558         menu .mbar.push
1559         .mbar.push add command -label {Push...} \
1560                 -command do_push_anywhere
1561         .mbar.push add command -label {Delete...} \
1562                 -command remote_branch_delete::dialog
1563 }
1564
1565 if {[is_MacOSX]} {
1566         # -- Apple Menu (Mac OS X only)
1567         #
1568         .mbar add cascade -label Apple -menu .mbar.apple
1569         menu .mbar.apple
1570
1571         .mbar.apple add command -label "About [appname]" \
1572                 -command do_about
1573         .mbar.apple add command -label "Options..." \
1574                 -command do_options
1575 } else {
1576         # -- Edit Menu
1577         #
1578         .mbar.edit add separator
1579         .mbar.edit add command -label {Options...} \
1580                 -command do_options
1581
1582         # -- Tools Menu
1583         #
1584         if {[is_Cygwin] && [file exists /usr/local/miga/lib/gui-miga]} {
1585         proc do_miga {} {
1586                 global ui_status_value
1587                 if {![lock_index update]} return
1588                 set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
1589                 set miga_fd [open "|$cmd" r]
1590                 fconfigure $miga_fd -blocking 0
1591                 fileevent $miga_fd readable [list miga_done $miga_fd]
1592                 set ui_status_value {Running miga...}
1593         }
1594         proc miga_done {fd} {
1595                 read $fd 512
1596                 if {[eof $fd]} {
1597                         close $fd
1598                         unlock_index
1599                         rescan [list set ui_status_value {Ready.}]
1600                 }
1601         }
1602         .mbar add cascade -label Tools -menu .mbar.tools
1603         menu .mbar.tools
1604         .mbar.tools add command -label "Migrate" \
1605                 -command do_miga
1606         lappend disable_on_lock \
1607                 [list .mbar.tools entryconf [.mbar.tools index last] -state]
1608         }
1609 }
1610
1611 # -- Help Menu
1612 #
1613 .mbar add cascade -label Help -menu .mbar.help
1614 menu .mbar.help
1615
1616 if {![is_MacOSX]} {
1617         .mbar.help add command -label "About [appname]" \
1618                 -command do_about
1619 }
1620
1621 set browser {}
1622 catch {set browser $repo_config(instaweb.browser)}
1623 set doc_path [file dirname [gitexec]]
1624 set doc_path [file join $doc_path Documentation index.html]
1625
1626 if {[is_Cygwin]} {
1627         set doc_path [exec cygpath --mixed $doc_path]
1628 }
1629
1630 if {$browser eq {}} {
1631         if {[is_MacOSX]} {
1632                 set browser open
1633         } elseif {[is_Cygwin]} {
1634                 set program_files [file dirname [exec cygpath --windir]]
1635                 set program_files [file join $program_files {Program Files}]
1636                 set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
1637                 set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
1638                 if {[file exists $firefox]} {
1639                         set browser $firefox
1640                 } elseif {[file exists $ie]} {
1641                         set browser $ie
1642                 }
1643                 unset program_files firefox ie
1644         }
1645 }
1646
1647 if {[file isfile $doc_path]} {
1648         set doc_url "file:$doc_path"
1649 } else {
1650         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
1651 }
1652
1653 if {$browser ne {}} {
1654         .mbar.help add command -label {Online Documentation} \
1655                 -command [list exec $browser $doc_url &]
1656 }
1657 unset browser doc_path doc_url
1658
1659 # -- Standard bindings
1660 #
1661 wm protocol . WM_DELETE_WINDOW do_quit
1662 bind all <$M1B-Key-q> do_quit
1663 bind all <$M1B-Key-Q> do_quit
1664 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
1665 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
1666
1667 set subcommand_args {}
1668 proc usage {} {
1669         puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
1670         exit 1
1671 }
1672
1673 # -- Not a normal commit type invocation?  Do that instead!
1674 #
1675 switch -- $subcommand {
1676 browser {
1677         set subcommand_args {rev?}
1678         switch [llength $argv] {
1679         0 { set current_branch [current-branch] }
1680         1 { set current_branch [lindex $argv 0] }
1681         default usage
1682         }
1683         browser::new $current_branch
1684         return
1685 }
1686 blame {
1687         set subcommand_args {rev? path?}
1688         set head {}
1689         set path {}
1690         set is_path 0
1691         foreach a $argv {
1692                 if {$is_path || [file exists $_prefix$a]} {
1693                         if {$path ne {}} usage
1694                         set path $_prefix$a
1695                         break
1696                 } elseif {$a eq {--}} {
1697                         if {$path ne {}} {
1698                                 if {$head ne {}} usage
1699                                 set head $path
1700                                 set path {}
1701                         }
1702                         set is_path 1
1703                 } elseif {$head eq {}} {
1704                         if {$head ne {}} usage
1705                         set head $a
1706                 } else {
1707                         usage
1708                 }
1709         }
1710         unset is_path
1711
1712         if {$head eq {}} {
1713                 set current_branch [current-branch]
1714         } else {
1715                 set current_branch $head
1716         }
1717
1718         if {$path eq {}} usage
1719         blame::new $head $path
1720         return
1721 }
1722 citool -
1723 gui {
1724         if {[llength $argv] != 0} {
1725                 puts -nonewline stderr "usage: $argv0"
1726                 if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
1727                         puts -nonewline stderr " $subcommand"
1728                 }
1729                 puts stderr {}
1730                 exit 1
1731         }
1732         # fall through to setup UI for commits
1733 }
1734 default {
1735         puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
1736         exit 1
1737 }
1738 }
1739
1740 # -- Branch Control
1741 #
1742 frame .branch \
1743         -borderwidth 1 \
1744         -relief sunken
1745 label .branch.l1 \
1746         -text {Current Branch:} \
1747         -anchor w \
1748         -justify left
1749 label .branch.cb \
1750         -textvariable current_branch \
1751         -anchor w \
1752         -justify left
1753 pack .branch.l1 -side left
1754 pack .branch.cb -side left -fill x
1755 pack .branch -side top -fill x
1756
1757 # -- Main Window Layout
1758 #
1759 panedwindow .vpane -orient vertical
1760 panedwindow .vpane.files -orient horizontal
1761 .vpane add .vpane.files -sticky nsew -height 100 -width 200
1762 pack .vpane -anchor n -side top -fill both -expand 1
1763
1764 # -- Index File List
1765 #
1766 frame .vpane.files.index -height 100 -width 200
1767 label .vpane.files.index.title -text {Staged Changes (Will Be Committed)} \
1768         -background lightgreen
1769 text $ui_index -background white -borderwidth 0 \
1770         -width 20 -height 10 \
1771         -wrap none \
1772         -cursor $cursor_ptr \
1773         -xscrollcommand {.vpane.files.index.sx set} \
1774         -yscrollcommand {.vpane.files.index.sy set} \
1775         -state disabled
1776 scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
1777 scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
1778 pack .vpane.files.index.title -side top -fill x
1779 pack .vpane.files.index.sx -side bottom -fill x
1780 pack .vpane.files.index.sy -side right -fill y
1781 pack $ui_index -side left -fill both -expand 1
1782 .vpane.files add .vpane.files.index -sticky nsew
1783
1784 # -- Working Directory File List
1785 #
1786 frame .vpane.files.workdir -height 100 -width 200
1787 label .vpane.files.workdir.title -text {Unstaged Changes (Will Not Be Committed)} \
1788         -background lightsalmon
1789 text $ui_workdir -background white -borderwidth 0 \
1790         -width 20 -height 10 \
1791         -wrap none \
1792         -cursor $cursor_ptr \
1793         -xscrollcommand {.vpane.files.workdir.sx set} \
1794         -yscrollcommand {.vpane.files.workdir.sy set} \
1795         -state disabled
1796 scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
1797 scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
1798 pack .vpane.files.workdir.title -side top -fill x
1799 pack .vpane.files.workdir.sx -side bottom -fill x
1800 pack .vpane.files.workdir.sy -side right -fill y
1801 pack $ui_workdir -side left -fill both -expand 1
1802 .vpane.files add .vpane.files.workdir -sticky nsew
1803
1804 foreach i [list $ui_index $ui_workdir] {
1805         $i tag conf in_diff -background lightgray
1806         $i tag conf in_sel  -background lightgray
1807 }
1808 unset i
1809
1810 # -- Diff and Commit Area
1811 #
1812 frame .vpane.lower -height 300 -width 400
1813 frame .vpane.lower.commarea
1814 frame .vpane.lower.diff -relief sunken -borderwidth 1
1815 pack .vpane.lower.commarea -side top -fill x
1816 pack .vpane.lower.diff -side bottom -fill both -expand 1
1817 .vpane add .vpane.lower -sticky nsew
1818
1819 # -- Commit Area Buttons
1820 #
1821 frame .vpane.lower.commarea.buttons
1822 label .vpane.lower.commarea.buttons.l -text {} \
1823         -anchor w \
1824         -justify left
1825 pack .vpane.lower.commarea.buttons.l -side top -fill x
1826 pack .vpane.lower.commarea.buttons -side left -fill y
1827
1828 button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
1829         -command do_rescan
1830 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
1831 lappend disable_on_lock \
1832         {.vpane.lower.commarea.buttons.rescan conf -state}
1833
1834 button .vpane.lower.commarea.buttons.incall -text {Add Existing} \
1835         -command do_add_all
1836 pack .vpane.lower.commarea.buttons.incall -side top -fill x
1837 lappend disable_on_lock \
1838         {.vpane.lower.commarea.buttons.incall conf -state}
1839
1840 button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
1841         -command do_signoff
1842 pack .vpane.lower.commarea.buttons.signoff -side top -fill x
1843
1844 button .vpane.lower.commarea.buttons.commit -text {Commit} \
1845         -command do_commit
1846 pack .vpane.lower.commarea.buttons.commit -side top -fill x
1847 lappend disable_on_lock \
1848         {.vpane.lower.commarea.buttons.commit conf -state}
1849
1850 # -- Commit Message Buffer
1851 #
1852 frame .vpane.lower.commarea.buffer
1853 frame .vpane.lower.commarea.buffer.header
1854 set ui_comm .vpane.lower.commarea.buffer.t
1855 set ui_coml .vpane.lower.commarea.buffer.header.l
1856 radiobutton .vpane.lower.commarea.buffer.header.new \
1857         -text {New Commit} \
1858         -command do_select_commit_type \
1859         -variable selected_commit_type \
1860         -value new
1861 lappend disable_on_lock \
1862         [list .vpane.lower.commarea.buffer.header.new conf -state]
1863 radiobutton .vpane.lower.commarea.buffer.header.amend \
1864         -text {Amend Last Commit} \
1865         -command do_select_commit_type \
1866         -variable selected_commit_type \
1867         -value amend
1868 lappend disable_on_lock \
1869         [list .vpane.lower.commarea.buffer.header.amend conf -state]
1870 label $ui_coml \
1871         -anchor w \
1872         -justify left
1873 proc trace_commit_type {varname args} {
1874         global ui_coml commit_type
1875         switch -glob -- $commit_type {
1876         initial       {set txt {Initial Commit Message:}}
1877         amend         {set txt {Amended Commit Message:}}
1878         amend-initial {set txt {Amended Initial Commit Message:}}
1879         amend-merge   {set txt {Amended Merge Commit Message:}}
1880         merge         {set txt {Merge Commit Message:}}
1881         *             {set txt {Commit Message:}}
1882         }
1883         $ui_coml conf -text $txt
1884 }
1885 trace add variable commit_type write trace_commit_type
1886 pack $ui_coml -side left -fill x
1887 pack .vpane.lower.commarea.buffer.header.amend -side right
1888 pack .vpane.lower.commarea.buffer.header.new -side right
1889
1890 text $ui_comm -background white -borderwidth 1 \
1891         -undo true \
1892         -maxundo 20 \
1893         -autoseparators true \
1894         -relief sunken \
1895         -width 75 -height 9 -wrap none \
1896         -font font_diff \
1897         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
1898 scrollbar .vpane.lower.commarea.buffer.sby \
1899         -command [list $ui_comm yview]
1900 pack .vpane.lower.commarea.buffer.header -side top -fill x
1901 pack .vpane.lower.commarea.buffer.sby -side right -fill y
1902 pack $ui_comm -side left -fill y
1903 pack .vpane.lower.commarea.buffer -side left -fill y
1904
1905 # -- Commit Message Buffer Context Menu
1906 #
1907 set ctxm .vpane.lower.commarea.buffer.ctxm
1908 menu $ctxm -tearoff 0
1909 $ctxm add command \
1910         -label {Cut} \
1911         -command {tk_textCut $ui_comm}
1912 $ctxm add command \
1913         -label {Copy} \
1914         -command {tk_textCopy $ui_comm}
1915 $ctxm add command \
1916         -label {Paste} \
1917         -command {tk_textPaste $ui_comm}
1918 $ctxm add command \
1919         -label {Delete} \
1920         -command {$ui_comm delete sel.first sel.last}
1921 $ctxm add separator
1922 $ctxm add command \
1923         -label {Select All} \
1924         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
1925 $ctxm add command \
1926         -label {Copy All} \
1927         -command {
1928                 $ui_comm tag add sel 0.0 end
1929                 tk_textCopy $ui_comm
1930                 $ui_comm tag remove sel 0.0 end
1931         }
1932 $ctxm add separator
1933 $ctxm add command \
1934         -label {Sign Off} \
1935         -command do_signoff
1936 bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
1937
1938 # -- Diff Header
1939 #
1940 proc trace_current_diff_path {varname args} {
1941         global current_diff_path diff_actions file_states
1942         if {$current_diff_path eq {}} {
1943                 set s {}
1944                 set f {}
1945                 set p {}
1946                 set o disabled
1947         } else {
1948                 set p $current_diff_path
1949                 set s [mapdesc [lindex $file_states($p) 0] $p]
1950                 set f {File:}
1951                 set p [escape_path $p]
1952                 set o normal
1953         }
1954
1955         .vpane.lower.diff.header.status configure -text $s
1956         .vpane.lower.diff.header.file configure -text $f
1957         .vpane.lower.diff.header.path configure -text $p
1958         foreach w $diff_actions {
1959                 uplevel #0 $w $o
1960         }
1961 }
1962 trace add variable current_diff_path write trace_current_diff_path
1963
1964 frame .vpane.lower.diff.header -background gold
1965 label .vpane.lower.diff.header.status \
1966         -background gold \
1967         -width $max_status_desc \
1968         -anchor w \
1969         -justify left
1970 label .vpane.lower.diff.header.file \
1971         -background gold \
1972         -anchor w \
1973         -justify left
1974 label .vpane.lower.diff.header.path \
1975         -background gold \
1976         -anchor w \
1977         -justify left
1978 pack .vpane.lower.diff.header.status -side left
1979 pack .vpane.lower.diff.header.file -side left
1980 pack .vpane.lower.diff.header.path -fill x
1981 set ctxm .vpane.lower.diff.header.ctxm
1982 menu $ctxm -tearoff 0
1983 $ctxm add command \
1984         -label {Copy} \
1985         -command {
1986                 clipboard clear
1987                 clipboard append \
1988                         -format STRING \
1989                         -type STRING \
1990                         -- $current_diff_path
1991         }
1992 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
1993 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
1994
1995 # -- Diff Body
1996 #
1997 frame .vpane.lower.diff.body
1998 set ui_diff .vpane.lower.diff.body.t
1999 text $ui_diff -background white -borderwidth 0 \
2000         -width 80 -height 15 -wrap none \
2001         -font font_diff \
2002         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
2003         -yscrollcommand {.vpane.lower.diff.body.sby set} \
2004         -state disabled
2005 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
2006         -command [list $ui_diff xview]
2007 scrollbar .vpane.lower.diff.body.sby -orient vertical \
2008         -command [list $ui_diff yview]
2009 pack .vpane.lower.diff.body.sbx -side bottom -fill x
2010 pack .vpane.lower.diff.body.sby -side right -fill y
2011 pack $ui_diff -side left -fill both -expand 1
2012 pack .vpane.lower.diff.header -side top -fill x
2013 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
2014
2015 $ui_diff tag conf d_cr -elide true
2016 $ui_diff tag conf d_@ -foreground blue -font font_diffbold
2017 $ui_diff tag conf d_+ -foreground {#00a000}
2018 $ui_diff tag conf d_- -foreground red
2019
2020 $ui_diff tag conf d_++ -foreground {#00a000}
2021 $ui_diff tag conf d_-- -foreground red
2022 $ui_diff tag conf d_+s \
2023         -foreground {#00a000} \
2024         -background {#e2effa}
2025 $ui_diff tag conf d_-s \
2026         -foreground red \
2027         -background {#e2effa}
2028 $ui_diff tag conf d_s+ \
2029         -foreground {#00a000} \
2030         -background ivory1
2031 $ui_diff tag conf d_s- \
2032         -foreground red \
2033         -background ivory1
2034
2035 $ui_diff tag conf d<<<<<<< \
2036         -foreground orange \
2037         -font font_diffbold
2038 $ui_diff tag conf d======= \
2039         -foreground orange \
2040         -font font_diffbold
2041 $ui_diff tag conf d>>>>>>> \
2042         -foreground orange \
2043         -font font_diffbold
2044
2045 $ui_diff tag raise sel
2046
2047 # -- Diff Body Context Menu
2048 #
2049 set ctxm .vpane.lower.diff.body.ctxm
2050 menu $ctxm -tearoff 0
2051 $ctxm add command \
2052         -label {Refresh} \
2053         -command reshow_diff
2054 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2055 $ctxm add command \
2056         -label {Copy} \
2057         -command {tk_textCopy $ui_diff}
2058 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2059 $ctxm add command \
2060         -label {Select All} \
2061         -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
2062 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2063 $ctxm add command \
2064         -label {Copy All} \
2065         -command {
2066                 $ui_diff tag add sel 0.0 end
2067                 tk_textCopy $ui_diff
2068                 $ui_diff tag remove sel 0.0 end
2069         }
2070 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2071 $ctxm add separator
2072 $ctxm add command \
2073         -label {Apply/Reverse Hunk} \
2074         -command {apply_hunk $cursorX $cursorY}
2075 set ui_diff_applyhunk [$ctxm index last]
2076 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
2077 $ctxm add separator
2078 $ctxm add command \
2079         -label {Decrease Font Size} \
2080         -command {incr_font_size font_diff -1}
2081 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2082 $ctxm add command \
2083         -label {Increase Font Size} \
2084         -command {incr_font_size font_diff 1}
2085 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2086 $ctxm add separator
2087 $ctxm add command \
2088         -label {Show Less Context} \
2089         -command {if {$repo_config(gui.diffcontext) >= 1} {
2090                 incr repo_config(gui.diffcontext) -1
2091                 reshow_diff
2092         }}
2093 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2094 $ctxm add command \
2095         -label {Show More Context} \
2096         -command {if {$repo_config(gui.diffcontext) < 99} {
2097                 incr repo_config(gui.diffcontext)
2098                 reshow_diff
2099         }}
2100 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2101 $ctxm add separator
2102 $ctxm add command -label {Options...} \
2103         -command do_options
2104 bind_button3 $ui_diff "
2105         set cursorX %x
2106         set cursorY %y
2107         if {\$ui_index eq \$current_diff_side} {
2108                 $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
2109         } else {
2110                 $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
2111         }
2112         tk_popup $ctxm %X %Y
2113 "
2114 unset ui_diff_applyhunk
2115
2116 # -- Status Bar
2117 #
2118 label .status -textvariable ui_status_value \
2119         -anchor w \
2120         -justify left \
2121         -borderwidth 1 \
2122         -relief sunken
2123 pack .status -anchor w -side bottom -fill x
2124
2125 # -- Load geometry
2126 #
2127 catch {
2128 set gm $repo_config(gui.geometry)
2129 wm geometry . [lindex $gm 0]
2130 .vpane sash place 0 \
2131         [lindex [.vpane sash coord 0] 0] \
2132         [lindex $gm 1]
2133 .vpane.files sash place 0 \
2134         [lindex $gm 2] \
2135         [lindex [.vpane.files sash coord 0] 1]
2136 unset gm
2137 }
2138
2139 # -- Key Bindings
2140 #
2141 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
2142 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
2143 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
2144 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
2145 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
2146 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
2147 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
2148 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
2149 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
2150 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2151 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2152
2153 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
2154 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
2155 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
2156 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
2157 bind $ui_diff <$M1B-Key-v> {break}
2158 bind $ui_diff <$M1B-Key-V> {break}
2159 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2160 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2161 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
2162 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
2163 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
2164 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
2165 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
2166 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
2167 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
2168 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
2169 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
2170 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
2171 bind $ui_diff <Button-1>   {focus %W}
2172
2173 if {[is_enabled branch]} {
2174         bind . <$M1B-Key-n> do_create_branch
2175         bind . <$M1B-Key-N> do_create_branch
2176 }
2177
2178 bind all <Key-F5> do_rescan
2179 bind all <$M1B-Key-r> do_rescan
2180 bind all <$M1B-Key-R> do_rescan
2181 bind .   <$M1B-Key-s> do_signoff
2182 bind .   <$M1B-Key-S> do_signoff
2183 bind .   <$M1B-Key-i> do_add_all
2184 bind .   <$M1B-Key-I> do_add_all
2185 bind .   <$M1B-Key-Return> do_commit
2186 foreach i [list $ui_index $ui_workdir] {
2187         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
2188         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
2189         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
2190 }
2191 unset i
2192
2193 set file_lists($ui_index) [list]
2194 set file_lists($ui_workdir) [list]
2195
2196 wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
2197 focus -force $ui_comm
2198
2199 # -- Warn the user about environmental problems.  Cygwin's Tcl
2200 #    does *not* pass its env array onto any processes it spawns.
2201 #    This means that git processes get none of our environment.
2202 #
2203 if {[is_Cygwin]} {
2204         set ignored_env 0
2205         set suggest_user {}
2206         set msg "Possible environment issues exist.
2207
2208 The following environment variables are probably
2209 going to be ignored by any Git subprocess run
2210 by [appname]:
2211
2212 "
2213         foreach name [array names env] {
2214                 switch -regexp -- $name {
2215                 {^GIT_INDEX_FILE$} -
2216                 {^GIT_OBJECT_DIRECTORY$} -
2217                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
2218                 {^GIT_DIFF_OPTS$} -
2219                 {^GIT_EXTERNAL_DIFF$} -
2220                 {^GIT_PAGER$} -
2221                 {^GIT_TRACE$} -
2222                 {^GIT_CONFIG$} -
2223                 {^GIT_CONFIG_LOCAL$} -
2224                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
2225                         append msg " - $name\n"
2226                         incr ignored_env
2227                 }
2228                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
2229                         append msg " - $name\n"
2230                         incr ignored_env
2231                         set suggest_user $name
2232                 }
2233                 }
2234         }
2235         if {$ignored_env > 0} {
2236                 append msg "
2237 This is due to a known issue with the
2238 Tcl binary distributed by Cygwin."
2239
2240                 if {$suggest_user ne {}} {
2241                         append msg "
2242
2243 A good replacement for $suggest_user
2244 is placing values for the user.name and
2245 user.email settings into your personal
2246 ~/.gitconfig file.
2247 "
2248                 }
2249                 warn_popup $msg
2250         }
2251         unset ignored_env msg suggest_user name
2252 }
2253
2254 # -- Only initialize complex UI if we are going to stay running.
2255 #
2256 if {[is_enabled transport]} {
2257         load_all_remotes
2258         load_all_heads
2259
2260         populate_branch_menu
2261         populate_fetch_menu
2262         populate_push_menu
2263 }
2264
2265 # -- Only suggest a gc run if we are going to stay running.
2266 #
2267 if {[is_enabled multicommit]} {
2268         set object_limit 2000
2269         if {[is_Windows]} {set object_limit 200}
2270         regexp {^([0-9]+) objects,} [git count-objects] _junk objects_current
2271         if {$objects_current >= $object_limit} {
2272                 if {[ask_popup \
2273                         "This repository currently has $objects_current loose objects.
2274
2275 To maintain optimal performance it is strongly recommended that you compress the database when more than $object_limit loose objects exist.
2276
2277 Compress the database now?"] eq yes} {
2278                         do_gc
2279                 }
2280         }
2281         unset object_limit _junk objects_current
2282 }
2283
2284 lock_index begin-read
2285 after 1 do_rescan