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