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