git-gui.sh

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