git-gui

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3 exec wish "$0" -- "$@"
   4
   5 # Copyright (C) 2006 Shawn Pearce, Paul Mackerras.  All rights reserved.
   6 # This program is free software; it may be used, copied, modified
   7 # and distributed under the terms of the GNU General Public Licence,
   8 # either version 2, or (at your option) any later version.
   9
  10 ######################################################################
  11 ##
  12 ## task management
  13
  14 set single_commit 0
  15 set status_active 0
  16 set diff_active 0
  17 set checkin_active 0
  18 set commit_active 0
  19 set update_index_fd {}
  20
  21 set disable_on_lock [list]
  22 set index_lock_type none
  23
  24 set HEAD {}
  25 set PARENT {}
  26 set commit_type {}
  27
  28 proc lock_index {type} {
  29         global index_lock_type disable_on_lock
  30
  31         if {$index_lock_type == {none}} {
  32                 set index_lock_type $type
  33                 foreach w $disable_on_lock {
  34                         uplevel #0 $w disabled
  35                 }
  36                 return 1
  37         } elseif {$index_lock_type == {begin-update} && $type == {update}} {
  38                 set index_lock_type $type
  39                 return 1
  40         }
  41         return 0
  42 }
  43
  44 proc unlock_index {} {
  45         global index_lock_type disable_on_lock
  46
  47         set index_lock_type none
  48         foreach w $disable_on_lock {
  49                 uplevel #0 $w normal
  50         }
  51 }
  52
  53 ######################################################################
  54 ##
  55 ## status
  56
  57 proc repository_state {hdvar ctvar} {
  58         global gitdir
  59         upvar $hdvar hd $ctvar ct
  60
  61         if {[catch {set hd [exec git rev-parse --verify HEAD]}]} {
  62                 set ct initial
  63         } elseif {[file exists [file join $gitdir MERGE_HEAD]]} {
  64                 set ct merge
  65         } else {
  66                 set ct normal
  67         }
  68 }
  69
  70 proc update_status {{final Ready.}} {
  71         global HEAD PARENT commit_type
  72         global ui_index ui_other ui_status_value ui_comm
  73         global status_active file_states
  74
  75         if {$status_active || ![lock_index read]} return
  76
  77         repository_state new_HEAD new_type
  78         if {$commit_type == {amend}
  79                 && $new_type == {normal}
  80                 && $new_HEAD == $HEAD} {
  81         } else {
  82                 set HEAD $new_HEAD
  83                 set PARENT $new_HEAD
  84                 set commit_type $new_type
  85         }
  86
  87         array unset file_states
  88         foreach w [list $ui_index $ui_other] {
  89                 $w conf -state normal
  90                 $w delete 0.0 end
  91                 $w conf -state disabled
  92         }
  93
  94         if {![$ui_comm edit modified]
  95             || [string trim [$ui_comm get 0.0 end]] == {}} {
  96                 if {[load_message GITGUI_MSG]} {
  97                 } elseif {[load_message MERGE_MSG]} {
  98                 } elseif {[load_message SQUASH_MSG]} {
  99                 }
 100                 $ui_comm edit modified false
 101         }
 102
 103         set status_active 1
 104         set ui_status_value {Refreshing file status...}
 105         set fd_rf [open "| git update-index -q --unmerged --refresh" r]
 106         fconfigure $fd_rf -blocking 0 -translation binary
 107         fileevent $fd_rf readable [list read_refresh $fd_rf $final]
 108 }
 109
 110 proc read_refresh {fd final} {
 111         global gitdir PARENT commit_type
 112         global ui_index ui_other ui_status_value ui_comm
 113         global status_active file_states
 114
 115         read $fd
 116         if {![eof $fd]} return
 117         close $fd
 118
 119         set ls_others [list | git ls-files --others -z \
 120                 --exclude-per-directory=.gitignore]
 121         set info_exclude [file join $gitdir info exclude]
 122         if {[file readable $info_exclude]} {
 123                 lappend ls_others "--exclude-from=$info_exclude"
 124         }
 125
 126         set status_active 3
 127         set ui_status_value {Scanning for modified files ...}
 128         set fd_di [open "| git diff-index --cached -z $PARENT" r]
 129         set fd_df [open "| git diff-files -z" r]
 130         set fd_lo [open $ls_others r]
 131
 132         fconfigure $fd_di -blocking 0 -translation binary
 133         fconfigure $fd_df -blocking 0 -translation binary
 134         fconfigure $fd_lo -blocking 0 -translation binary
 135         fileevent $fd_di readable [list read_diff_index $fd_di $final]
 136         fileevent $fd_df readable [list read_diff_files $fd_df $final]
 137         fileevent $fd_lo readable [list read_ls_others $fd_lo $final]
 138 }
 139
 140 proc load_message {file} {
 141         global gitdir ui_comm
 142
 143         set f [file join $gitdir $file]
 144         if {[file isfile $f]} {
 145                 if {[catch {set fd [open $f r]}]} {
 146                         return 0
 147                 }
 148                 set content [string trim [read $fd]]
 149                 close $fd
 150                 $ui_comm delete 0.0 end
 151                 $ui_comm insert end $content
 152                 return 1
 153         }
 154         return 0
 155 }
 156
 157 proc read_diff_index {fd final} {
 158         global buf_rdi
 159
 160         append buf_rdi [read $fd]
 161         set pck [split $buf_rdi "\0"]
 162         set buf_rdi [lindex $pck end]
 163         foreach {m p} [lrange $pck 0 end-1] {
 164                 if {$m != {} && $p != {}} {
 165                         display_file $p [string index $m end]_
 166                 }
 167         }
 168         status_eof $fd buf_rdi $final
 169 }
 170
 171 proc read_diff_files {fd final} {
 172         global buf_rdf
 173
 174         append buf_rdf [read $fd]
 175         set pck [split $buf_rdf "\0"]
 176         set buf_rdf [lindex $pck end]
 177         foreach {m p} [lrange $pck 0 end-1] {
 178                 if {$m != {} && $p != {}} {
 179                         display_file $p _[string index $m end]
 180                 }
 181         }
 182         status_eof $fd buf_rdf $final
 183 }
 184
 185 proc read_ls_others {fd final} {
 186         global buf_rlo
 187
 188         append buf_rlo [read $fd]
 189         set pck [split $buf_rlo "\0"]
 190         set buf_rlo [lindex $pck end]
 191         foreach p [lrange $pck 0 end-1] {
 192                 display_file $p _O
 193         }
 194         status_eof $fd buf_rlo $final
 195 }
 196
 197 proc status_eof {fd buf final} {
 198         global status_active $buf
 199         global ui_fname_value ui_status_value file_states
 200
 201         if {[eof $fd]} {
 202                 set $buf {}
 203                 close $fd
 204                 if {[incr status_active -1] == 0} {
 205                         unlock_index
 206
 207                         set ui_status_value $final
 208                         if {$ui_fname_value != {} && [array names file_states \
 209                                 -exact $ui_fname_value] != {}}  {
 210                                 show_diff $ui_fname_value
 211                         } else {
 212                                 clear_diff
 213                         }
 214                 }
 215         }
 216 }
 217
 218 ######################################################################
 219 ##
 220 ## diff
 221
 222 proc clear_diff {} {
 223         global ui_diff ui_fname_value ui_fstatus_value
 224
 225         $ui_diff conf -state normal
 226         $ui_diff delete 0.0 end
 227         $ui_diff conf -state disabled
 228         set ui_fname_value {}
 229         set ui_fstatus_value {}
 230 }
 231
 232 proc show_diff {path} {
 233         global file_states PARENT diff_3way diff_active
 234         global ui_diff ui_fname_value ui_fstatus_value ui_status_value
 235
 236         if {$diff_active || ![lock_index read]} return
 237
 238         clear_diff
 239         set s $file_states($path)
 240         set m [lindex $s 0]
 241         set diff_3way 0
 242         set diff_active 1
 243         set ui_fname_value $path
 244         set ui_fstatus_value [mapdesc $m $path]
 245         set ui_status_value "Loading diff of $path..."
 246
 247         set cmd [list | git diff-index -p $PARENT -- $path]
 248         switch $m {
 249         AM {
 250         }
 251         MM {
 252                 set cmd [list | git diff-index -p -c $PARENT $path]
 253         }
 254         _O {
 255                 if {[catch {
 256                                 set fd [open $path r]
 257                                 set content [read $fd]
 258                                 close $fd
 259                         } err ]} {
 260                         set diff_active 0
 261                         unlock_index
 262                         set ui_status_value "Unable to display $path"
 263                         error_popup "Error loading file:\n$err"
 264                         return
 265                 }
 266                 $ui_diff conf -state normal
 267                 $ui_diff insert end $content
 268                 $ui_diff conf -state disabled
 269                 set diff_active 0
 270                 unlock_index
 271                 set ui_status_value {Ready.}
 272                 return
 273         }
 274         }
 275
 276         if {[catch {set fd [open $cmd r]} err]} {
 277                 set diff_active 0
 278                 unlock_index
 279                 set ui_status_value "Unable to display $path"
 280                 error_popup "Error loading diff:\n$err"
 281                 return
 282         }
 283
 284         fconfigure $fd -blocking 0 -translation auto
 285         fileevent $fd readable [list read_diff $fd]
 286 }
 287
 288 proc read_diff {fd} {
 289         global ui_diff ui_status_value diff_3way diff_active
 290
 291         while {[gets $fd line] >= 0} {
 292                 if {[string match {diff --git *} $line]} continue
 293                 if {[string match {diff --combined *} $line]} continue
 294                 if {[string match {--- *} $line]} continue
 295                 if {[string match {+++ *} $line]} continue
 296                 if {[string match index* $line]} {
 297                         if {[string first , $line] >= 0} {
 298                                 set diff_3way 1
 299                         }
 300                 }
 301
 302                 $ui_diff conf -state normal
 303                 if {!$diff_3way} {
 304                         set x [string index $line 0]
 305                         switch -- $x {
 306                         "@" {set tags da}
 307                         "+" {set tags dp}
 308                         "-" {set tags dm}
 309                         default {set tags {}}
 310                         }
 311                 } else {
 312                         set x [string range $line 0 1]
 313                         switch -- $x {
 314                         default {set tags {}}
 315                         "@@" {set tags da}
 316                         "++" {set tags dp; set x " +"}
 317                         " +" {set tags {di bold}; set x "++"}
 318                         "+ " {set tags dni; set x "-+"}
 319                         "--" {set tags dm; set x " -"}
 320                         " -" {set tags {dm bold}; set x "--"}
 321                         "- " {set tags di; set x "+-"}
 322                         default {set tags {}}
 323                         }
 324                         set line [string replace $line 0 1 $x]
 325                 }
 326                 $ui_diff insert end $line $tags
 327                 $ui_diff insert end "\n"
 328                 $ui_diff conf -state disabled
 329         }
 330
 331         if {[eof $fd]} {
 332                 close $fd
 333                 set diff_active 0
 334                 unlock_index
 335                 set ui_status_value {Ready.}
 336         }
 337 }
 338
 339 ######################################################################
 340 ##
 341 ## commit
 342
 343 proc load_last_commit {} {
 344         global HEAD PARENT commit_type ui_comm
 345
 346         if {$commit_type == {amend}} return
 347         if {$commit_type != {normal}} {
 348                 error_popup "Can't amend a $commit_type commit."
 349                 return
 350         }
 351
 352         set msg {}
 353         set parent {}
 354         set parent_count 0
 355         if {[catch {
 356                         set fd [open "| git cat-file commit $HEAD" r]
 357                         while {[gets $fd line] > 0} {
 358                                 if {[string match {parent *} $line]} {
 359                                         set parent [string range $line 7 end]
 360                                         incr parent_count
 361                                 }
 362                         }
 363                         set msg [string trim [read $fd]]
 364                         close $fd
 365                 } err]} {
 366                 error_popup "Error loading commit data for amend:\n$err"
 367                 return
 368         }
 369
 370         if {$parent_count == 0} {
 371                 set commit_type amend
 372                 set HEAD {}
 373                 set PARENT {}
 374                 update_status
 375         } elseif {$parent_count == 1} {
 376                 set commit_type amend
 377                 set PARENT $parent
 378                 $ui_comm delete 0.0 end
 379                 $ui_comm insert end $msg
 380                 $ui_comm edit modified false
 381                 update_status
 382         } else {
 383                 error_popup {You can't amend a merge commit.}
 384                 return
 385         }
 386 }
 387
 388 proc commit_tree {} {
 389         global tcl_platform HEAD gitdir commit_type file_states
 390         global commit_active ui_status_value
 391         global ui_comm
 392
 393         if {$commit_active || ![lock_index update]} return
 394
 395         # -- Our in memory state should match the repository.
 396         #
 397         repository_state curHEAD cur_type
 398         if {$commit_type == {amend}
 399                 && $cur_type == {normal}
 400                 && $curHEAD == $HEAD} {
 401         } elseif {$commit_type != $cur_type || $HEAD != $curHEAD} {
 402                 error_popup {Last scanned state does not match repository state.
 403
 404 Its highly likely that another Git program modified the
 405 repository since our last scan.  A rescan is required
 406 before committing.
 407 }
 408                 unlock_index
 409                 update_status
 410                 return
 411         }
 412
 413         # -- At least one file should differ in the index.
 414         #
 415         set files_ready 0
 416         foreach path [array names file_states] {
 417                 set s $file_states($path)
 418                 switch -glob -- [lindex $s 0] {
 419                 _* {continue}
 420                 A* -
 421                 D* -
 422                 M* {set files_ready 1; break}
 423                 U* {
 424                         error_popup "Unmerged files cannot be committed.
 425
 426 File $path has merge conflicts.
 427 You must resolve them and check the file in before committing.
 428 "
 429                         unlock_index
 430                         return
 431                 }
 432                 default {
 433                         error_popup "Unknown file state [lindex $s 0] detected.
 434
 435 File $path cannot be committed by this program.
 436 "
 437                 }
 438                 }
 439         }
 440         if {!$files_ready} {
 441                 error_popup {No checked-in files to commit.
 442
 443 You must check-in at least 1 file before you can commit.
 444 }
 445                 unlock_index
 446                 return
 447         }
 448
 449         # -- A message is required.
 450         #
 451         set msg [string trim [$ui_comm get 1.0 end]]
 452         if {$msg == {}} {
 453                 error_popup {Please supply a commit message.
 454
 455 A good commit message has the following format:
 456
 457 - First line: Describe in one sentance what you did.
 458 - Second line: Blank
 459 - Remaining lines: Describe why this change is good.
 460 }
 461                 unlock_index
 462                 return
 463         }
 464
 465         # -- Ask the pre-commit hook for the go-ahead.
 466         #
 467         set pchook [file join $gitdir hooks pre-commit]
 468         if {$tcl_platform(platform) == {windows} && [file isfile $pchook]} {
 469                 set pchook [list sh -c \
 470                         "if test -x \"$pchook\"; then exec \"$pchook\"; fi"]
 471         } elseif {[file executable $pchook]} {
 472                 set pchook [list $pchook]
 473         } else {
 474                 set pchook {}
 475         }
 476         if {$pchook != {} && [catch {eval exec $pchook} err]} {
 477                 hook_failed_popup pre-commit $err
 478                 unlock_index
 479                 return
 480         }
 481
 482         # -- Write the tree in the background.
 483         #
 484         set commit_active 1
 485         set ui_status_value {Committing changes...}
 486
 487         set fd_wt [open "| git write-tree" r]
 488         fileevent $fd_wt readable [list commit_stage2 $fd_wt $curHEAD $msg]
 489 }
 490
 491 proc commit_stage2 {fd_wt curHEAD msg} {
 492         global single_commit gitdir PARENT commit_type
 493         global commit_active ui_status_value ui_comm
 494
 495         gets $fd_wt tree_id
 496         close $fd_wt
 497
 498         if {$tree_id == {}} {
 499                 error_popup "write-tree failed"
 500                 set commit_active 0
 501                 set ui_status_value {Commit failed.}
 502                 unlock_index
 503                 return
 504         }
 505
 506         # -- Create the commit.
 507         #
 508         set cmd [list git commit-tree $tree_id]
 509         if {$PARENT != {}} {
 510                 lappend cmd -p $PARENT
 511         }
 512         if {$commit_type == {merge}} {
 513                 if {[catch {
 514                                 set fd_mh [open [file join $gitdir MERGE_HEAD] r]
 515                                 while {[gets $fd_mh merge_head] >= 0} {
 516                                         lappend cmd -p $merge_head
 517                                 }
 518                                 close $fd_mh
 519                         } err]} {
 520                         error_popup "Loading MERGE_HEADs failed:\n$err"
 521                         set commit_active 0
 522                         set ui_status_value {Commit failed.}
 523                         unlock_index
 524                         return
 525                 }
 526         }
 527         if {$PARENT == {}} {
 528                 # git commit-tree writes to stderr during initial commit.
 529                 lappend cmd 2>/dev/null
 530         }
 531         lappend cmd << $msg
 532         if {[catch {set cmt_id [eval exec $cmd]} err]} {
 533                 error_popup "commit-tree failed:\n$err"
 534                 set commit_active 0
 535                 set ui_status_value {Commit failed.}
 536                 unlock_index
 537                 return
 538         }
 539
 540         # -- Update the HEAD ref.
 541         #
 542         set reflogm commit
 543         if {$commit_type != {normal}} {
 544                 append reflogm " ($commit_type)"
 545         }
 546         set i [string first "\n" $msg]
 547         if {$i >= 0} {
 548                 append reflogm {: } [string range $msg 0 [expr $i - 1]]
 549         } else {
 550                 append reflogm {: } $msg
 551         }
 552         set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
 553         if {[catch {eval exec $cmd} err]} {
 554                 error_popup "update-ref failed:\n$err"
 555                 set commit_active 0
 556                 set ui_status_value {Commit failed.}
 557                 unlock_index
 558                 return
 559         }
 560
 561         # -- Cleanup after ourselves.
 562         #
 563         catch {file delete [file join $gitdir MERGE_HEAD]}
 564         catch {file delete [file join $gitdir MERGE_MSG]}
 565         catch {file delete [file join $gitdir SQUASH_MSG]}
 566         catch {file delete [file join $gitdir GITGUI_MSG]}
 567
 568         # -- Let rerere do its thing.
 569         #
 570         if {[file isdirectory [file join $gitdir rr-cache]]} {
 571                 catch {exec git rerere}
 572         }
 573
 574         $ui_comm delete 0.0 end
 575         $ui_comm edit modified false
 576
 577         if {$single_commit} do_quit
 578
 579         set commit_type {}
 580         set commit_active 0
 581         set HEAD $cmt_id
 582         set PARENT $cmt_id
 583         unlock_index
 584         update_status "Changes committed as $cmt_id."
 585 }
 586
 587 ######################################################################
 588 ##
 589 ## fetch pull push
 590
 591 proc fetch_from {remote} {
 592         set w [new_console "fetch $remote" \
 593                 "Fetching new changes from $remote"]
 594         set cmd [list | git fetch]
 595         lappend -v
 596         lappend cmd $remote
 597         lappend cmd |& cat
 598         set fd_f [open $cmd r]
 599         fconfigure $fd_f -blocking 0 -translation auto
 600         fileevent $fd_f readable [list console_read $w $fd_f]
 601 }
 602
 603 proc push_to {remote} {
 604         set w [new_console "push $remote" \
 605                 "Pushing changes to $remote"]
 606         set cmd [list | git push]
 607         lappend -v
 608         lappend cmd $remote
 609         lappend cmd |& cat
 610         set fd_f [open $cmd r]
 611         fconfigure $fd_f -blocking 0 -translation auto
 612         fileevent $fd_f readable [list console_read $w $fd_f]
 613 }
 614
 615 ######################################################################
 616 ##
 617 ## ui helpers
 618
 619 proc mapcol {state path} {
 620         global all_cols
 621
 622         if {[catch {set r $all_cols($state)}]} {
 623                 puts "error: no column for state={$state} $path"
 624                 return o
 625         }
 626         return $r
 627 }
 628
 629 proc mapicon {state path} {
 630         global all_icons
 631
 632         if {[catch {set r $all_icons($state)}]} {
 633                 puts "error: no icon for state={$state} $path"
 634                 return file_plain
 635         }
 636         return $r
 637 }
 638
 639 proc mapdesc {state path} {
 640         global all_descs
 641
 642         if {[catch {set r $all_descs($state)}]} {
 643                 puts "error: no desc for state={$state} $path"
 644                 return $state
 645         }
 646         return $r
 647 }
 648
 649 proc bsearch {w path} {
 650         set hi [expr [lindex [split [$w index end] .] 0] - 2]
 651         if {$hi == 0} {
 652                 return -1
 653         }
 654         set lo 0
 655         while {$lo < $hi} {
 656                 set mi [expr [expr $lo + $hi] / 2]
 657                 set ti [expr $mi + 1]
 658                 set cmp [string compare [$w get $ti.1 $ti.end] $path]
 659                 if {$cmp < 0} {
 660                         set lo $ti
 661                 } elseif {$cmp == 0} {
 662                         return $mi
 663                 } else {
 664                         set hi $mi
 665                 }
 666         }
 667         return -[expr $lo + 1]
 668 }
 669
 670 proc merge_state {path state} {
 671         global file_states
 672
 673         if {[array names file_states -exact $path] == {}}  {
 674                 set o __
 675                 set s [list $o none none]
 676         } else {
 677                 set s $file_states($path)
 678                 set o [lindex $s 0]
 679         }
 680
 681         set m [lindex $s 0]
 682         if {[string index $state 0] == "_"} {
 683                 set state [string index $m 0][string index $state 1]
 684         } elseif {[string index $state 0] == "*"} {
 685                 set state _[string index $state 1]
 686         }
 687
 688         if {[string index $state 1] == "_"} {
 689                 set state [string index $state 0][string index $m 1]
 690         } elseif {[string index $state 1] == "*"} {
 691                 set state [string index $state 0]_
 692         }
 693
 694         set file_states($path) [lreplace $s 0 0 $state]
 695         return $o
 696 }
 697
 698 proc display_file {path state} {
 699         global ui_index ui_other file_states
 700
 701         set old_m [merge_state $path $state]
 702         set s $file_states($path)
 703         set m [lindex $s 0]
 704
 705         if {[mapcol $m $path] == "o"} {
 706                 set ii 1
 707                 set ai 2
 708                 set iw $ui_index
 709                 set aw $ui_other
 710         } else {
 711                 set ii 2
 712                 set ai 1
 713                 set iw $ui_other
 714                 set aw $ui_index
 715         }
 716
 717         set d [lindex $s $ii]
 718         if {$d != "none"} {
 719                 set lno [bsearch $iw $path]
 720                 if {$lno >= 0} {
 721                         incr lno
 722                         $iw conf -state normal
 723                         $iw delete $lno.0 [expr $lno + 1].0
 724                         $iw conf -state disabled
 725                         set s [lreplace $s $ii $ii none]
 726                 }
 727         }
 728
 729         set d [lindex $s $ai]
 730         if {$d == "none"} {
 731                 set lno [expr abs([bsearch $aw $path] + 1) + 1]
 732                 $aw conf -state normal
 733                 set ico [$aw image create $lno.0 \
 734                         -align center -padx 5 -pady 1 \
 735                         -image [mapicon $m $path]]
 736                 $aw insert $lno.1 "$path\n"
 737                 $aw conf -state disabled
 738                 set file_states($path) [lreplace $s $ai $ai [list $ico]]
 739         } elseif {[mapicon $m $path] != [mapicon $old_m $path]} {
 740                 set ico [lindex $d 0]
 741                 $aw image conf $ico -image [mapicon $m $path]
 742         }
 743 }
 744
 745 proc with_update_index {body} {
 746         global update_index_fd
 747
 748         if {$update_index_fd == {}} {
 749                 if {![lock_index update]} return
 750                 set update_index_fd [open \
 751                         "| git update-index --add --remove -z --stdin" \
 752                         w]
 753                 fconfigure $update_index_fd -translation binary
 754                 uplevel 1 $body
 755                 close $update_index_fd
 756                 set update_index_fd {}
 757                 unlock_index
 758         } else {
 759                 uplevel 1 $body
 760         }
 761 }
 762
 763 proc update_index {path} {
 764         global update_index_fd
 765
 766         if {$update_index_fd == {}} {
 767                 error {not in with_update_index}
 768         } else {
 769                 puts -nonewline $update_index_fd "$path\0"
 770         }
 771 }
 772
 773 proc toggle_mode {path} {
 774         global file_states ui_fname_value
 775
 776         set s $file_states($path)
 777         set m [lindex $s 0]
 778
 779         switch -- $m {
 780         AM -
 781         _O {set new A*}
 782         _M -
 783         MM {set new M*}
 784         AD -
 785         _D {set new D*}
 786         default {return}
 787         }
 788
 789         with_update_index {update_index $path}
 790         display_file $path $new
 791         if {$ui_fname_value == $path} {
 792                 show_diff $path
 793         }
 794 }
 795
 796 ######################################################################
 797 ##
 798 ## config (fetch push pull)
 799
 800 proc load_all_remotes {} {
 801         global gitdir all_remotes
 802
 803         set all_remotes [list]
 804         set rm_dir [file join $gitdir remotes]
 805         if {[file isdirectory $rm_dir]} {
 806                 set all_remotes [concat $all_remotes \
 807                         [glob -types f -tails -directory $rm_dir * *]]
 808         }
 809
 810         set fd_rc [open "| git repo-config --list" r]
 811         while {[gets $fd_rc line] >= 0} {
 812                 if {[regexp ^remote\.(.*)\.url= $line line name]} {
 813                         lappend all_remotes $name
 814                 }
 815         }
 816         close $fd_rc
 817
 818         set all_remotes [lsort -unique $all_remotes]
 819 }
 820
 821 proc populate_remote_menu {m pfx op} {
 822         global gitdir all_remotes mainfont
 823
 824         foreach remote $all_remotes {
 825                 $m add command -label "$pfx $remote..." \
 826                         -command [list $op $remote] \
 827                         -font $mainfont
 828         }
 829 }
 830
 831 ######################################################################
 832 ##
 833 ## icons
 834
 835 set filemask {
 836 #define mask_width 14
 837 #define mask_height 15
 838 static unsigned char mask_bits[] = {
 839    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
 840    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
 841    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
 842 }
 843
 844 image create bitmap file_plain -background white -foreground black -data {
 845 #define plain_width 14
 846 #define plain_height 15
 847 static unsigned char plain_bits[] = {
 848    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
 849    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
 850    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 851 } -maskdata $filemask
 852
 853 image create bitmap file_mod -background white -foreground blue -data {
 854 #define mod_width 14
 855 #define mod_height 15
 856 static unsigned char mod_bits[] = {
 857    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
 858    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
 859    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
 860 } -maskdata $filemask
 861
 862 image create bitmap file_fulltick -background white -foreground "#007000" -data {
 863 #define file_fulltick_width 14
 864 #define file_fulltick_height 15
 865 static unsigned char file_fulltick_bits[] = {
 866    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
 867    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
 868    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 869 } -maskdata $filemask
 870
 871 image create bitmap file_parttick -background white -foreground "#005050" -data {
 872 #define parttick_width 14
 873 #define parttick_height 15
 874 static unsigned char parttick_bits[] = {
 875    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
 876    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
 877    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 878 } -maskdata $filemask
 879
 880 image create bitmap file_question -background white -foreground black -data {
 881 #define file_question_width 14
 882 #define file_question_height 15
 883 static unsigned char file_question_bits[] = {
 884    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
 885    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
 886    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
 887 } -maskdata $filemask
 888
 889 image create bitmap file_removed -background white -foreground red -data {
 890 #define file_removed_width 14
 891 #define file_removed_height 15
 892 static unsigned char file_removed_bits[] = {
 893    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
 894    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
 895    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
 896 } -maskdata $filemask
 897
 898 image create bitmap file_merge -background white -foreground blue -data {
 899 #define file_merge_width 14
 900 #define file_merge_height 15
 901 static unsigned char file_merge_bits[] = {
 902    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
 903    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
 904    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
 905 } -maskdata $filemask
 906
 907 set max_status_desc 0
 908 foreach i {
 909                 {__ i plain    "Unmodified"}
 910                 {_M i mod      "Modified"}
 911                 {M_ i fulltick "Checked in"}
 912                 {MM i parttick "Partially checked in"}
 913
 914                 {_O o plain    "Untracked"}
 915                 {A_ o fulltick "Added"}
 916                 {AM o parttick "Partially added"}
 917                 {AD o question  "Added (but now gone)"}
 918
 919                 {_D i question "Missing"}
 920                 {D_ i removed  "Removed"}
 921                 {DD i removed  "Removed"}
 922                 {DO i removed  "Removed (still exists)"}
 923
 924                 {UM i merge    "Merge conflicts"}
 925                 {U_ i merge    "Merge conflicts"}
 926         } {
 927         if {$max_status_desc < [string length [lindex $i 3]]} {
 928                 set max_status_desc [string length [lindex $i 3]]
 929         }
 930         set all_cols([lindex $i 0]) [lindex $i 1]
 931         set all_icons([lindex $i 0]) file_[lindex $i 2]
 932         set all_descs([lindex $i 0]) [lindex $i 3]
 933 }
 934 unset filemask i
 935
 936 ######################################################################
 937 ##
 938 ## util
 939
 940 proc error_popup {msg} {
 941         set w .error
 942         toplevel $w
 943         wm transient $w .
 944         show_msg $w $w $msg
 945 }
 946
 947 proc show_msg {w top msg} {
 948         global gitdir appname
 949
 950         message $w.m -text $msg -justify left -aspect 400
 951         pack $w.m -side top -fill x -padx 5 -pady 10
 952         button $w.ok -text OK \
 953                 -width 15 \
 954                 -font $mainfont \
 955                 -command "destroy $top"
 956         pack $w.ok -side bottom
 957         bind $top <Visibility> "grab $top; focus $top"
 958         bind $top <Key-Return> "destroy $top"
 959         wm title $top "error: $appname ([file normalize [file dirname $gitdir]])"
 960         tkwait window $top
 961 }
 962
 963 proc hook_failed_popup {hook msg} {
 964         global gitdir mainfont difffont appname
 965
 966         set w .hookfail
 967         toplevel $w
 968         wm transient $w .
 969
 970         frame $w.m
 971         label $w.m.l1 -text "$hook hook failed:" \
 972                 -anchor w \
 973                 -justify left \
 974                 -font [concat $mainfont bold]
 975         text $w.m.t \
 976                 -background white -borderwidth 1 \
 977                 -relief sunken \
 978                 -width 80 -height 10 \
 979                 -font $difffont \
 980                 -yscrollcommand [list $w.m.sby set]
 981         label $w.m.l2 \
 982                 -text {You must correct the above errors before committing.} \
 983                 -anchor w \
 984                 -justify left \
 985                 -font [concat $mainfont bold]
 986         scrollbar $w.m.sby -command [list $w.m.t yview]
 987         pack $w.m.l1 -side top -fill x
 988         pack $w.m.l2 -side bottom -fill x
 989         pack $w.m.sby -side right -fill y
 990         pack $w.m.t -side left -fill both -expand 1
 991         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
 992
 993         $w.m.t insert 1.0 $msg
 994         $w.m.t conf -state disabled
 995
 996         button $w.ok -text OK \
 997                 -width 15 \
 998                 -font $mainfont \
 999                 -command "destroy $w"
1000         pack $w.ok -side bottom
1001
1002         bind $w <Visibility> "grab $w; focus $w"
1003         bind $w <Key-Return> "destroy $w"
1004         wm title $w "error: $appname ([file normalize [file dirname $gitdir]])"
1005         tkwait window $w
1006 }
1007
1008 set next_console_id 0
1009
1010 proc new_console {short_title long_title} {
1011         global next_console_id gitdir appname mainfont difffont
1012
1013         set w .console[incr next_console_id]
1014         toplevel $w
1015         frame $w.m
1016         label $w.m.l1 -text "$long_title:" \
1017                 -anchor w \
1018                 -justify left \
1019                 -font [concat $mainfont bold]
1020         text $w.m.t \
1021                 -background white -borderwidth 1 \
1022                 -relief sunken \
1023                 -width 80 -height 10 \
1024                 -font $difffont \
1025                 -state disabled \
1026                 -yscrollcommand [list $w.m.sby set]
1027         scrollbar $w.m.sby -command [list $w.m.t yview]
1028         pack $w.m.l1 -side top -fill x
1029         pack $w.m.sby -side right -fill y
1030         pack $w.m.t -side left -fill both -expand 1
1031         pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
1032
1033         button $w.ok -text {OK} \
1034                 -width 15 \
1035                 -font $mainfont \
1036                 -state disabled \
1037                 -command "destroy $w"
1038         pack $w.ok -side bottom
1039
1040         bind $w <Visibility> "focus $w"
1041         bind $w <Destroy> break
1042         wm title $w "$appname ([file dirname [file normalize [file dirname $gitdir]]]): $short_title"
1043         return $w
1044 }
1045
1046 proc console_read {w fd} {
1047         $w.m.t conf -state normal
1048         while {[gets $fd line] >= 0} {
1049                 $w.m.t insert end $line
1050                 $w.m.t insert end "\n"
1051         }
1052         $w.m.t conf -state disabled
1053
1054         if {[eof $fd]} {
1055                 close $fd
1056                 $w.ok conf -state normal
1057         }
1058 }
1059
1060 ######################################################################
1061 ##
1062 ## ui commands
1063
1064 set starting_gitk_msg {Please wait... Starting gitk...}
1065 proc do_gitk {} {
1066         global tcl_platform ui_status_value starting_gitk_msg
1067
1068         set ui_status_value $starting_gitk_msg
1069         after 10000 {
1070                 if {$ui_status_value == $starting_gitk_msg} {
1071                         set ui_status_value {Ready.}
1072                 }
1073         }
1074
1075     if {$tcl_platform(platform) == "windows"} {
1076                 exec sh -c gitk &
1077         } else {
1078                 exec gitk &
1079         }
1080 }
1081
1082 proc do_quit {} {
1083         global gitdir ui_comm
1084
1085         set save [file join $gitdir GITGUI_MSG]
1086         set msg [string trim [$ui_comm get 0.0 end]]
1087         if {[$ui_comm edit modified] && $msg != {}} {
1088                 catch {
1089                         set fd [open $save w]
1090                         puts $fd [string trim [$ui_comm get 0.0 end]]
1091                         close $fd
1092                 }
1093         } elseif {$msg == {} && [file exists $save]} {
1094                 file delete $save
1095         }
1096
1097         destroy .
1098 }
1099
1100 proc do_rescan {} {
1101         update_status
1102 }
1103
1104 proc do_checkin_all {} {
1105         global checkin_active ui_status_value
1106
1107         if {$checkin_active || ![lock_index begin-update]} return
1108
1109         set checkin_active 1
1110         set ui_status_value {Checking in all files...}
1111         after 1 {
1112                 with_update_index {
1113                         foreach path [array names file_states] {
1114                                 set s $file_states($path)
1115                                 set m [lindex $s 0]
1116                                 switch -- $m {
1117                                 AM -
1118                                 MM -
1119                                 _M -
1120                                 _D {toggle_mode $path}
1121                                 }
1122                         }
1123                 }
1124                 set checkin_active 0
1125                 set ui_status_value {Ready.}
1126         }
1127 }
1128
1129 proc do_signoff {} {
1130         global ui_comm
1131
1132         catch {
1133                 set me [exec git var GIT_COMMITTER_IDENT]
1134                 if {[regexp {(.*) [0-9]+ [-+0-9]+$} $me me name]} {
1135                         set str "Signed-off-by: $name"
1136                         if {[$ui_comm get {end -1c linestart} {end -1c}] != $str} {
1137                                 $ui_comm insert end "\n"
1138                                 $ui_comm insert end $str
1139                                 $ui_comm see end
1140                         }
1141                 }
1142         }
1143 }
1144
1145 proc do_amend_last {} {
1146         load_last_commit
1147 }
1148
1149 proc do_commit {} {
1150         commit_tree
1151 }
1152
1153 # shift == 1: left click
1154 #          3: right click
1155 proc click {w x y shift wx wy} {
1156         global ui_index ui_other
1157
1158         set pos [split [$w index @$x,$y] .]
1159         set lno [lindex $pos 0]
1160         set col [lindex $pos 1]
1161         set path [$w get $lno.1 $lno.end]
1162         if {$path == {}} return
1163
1164         if {$col > 0 && $shift == 1} {
1165                 $ui_index tag remove in_diff 0.0 end
1166                 $ui_other tag remove in_diff 0.0 end
1167                 $w tag add in_diff $lno.0 [expr $lno + 1].0
1168                 show_diff $path
1169         }
1170 }
1171
1172 proc unclick {w x y} {
1173         set pos [split [$w index @$x,$y] .]
1174         set lno [lindex $pos 0]
1175         set col [lindex $pos 1]
1176         set path [$w get $lno.1 $lno.end]
1177         if {$path == {}} return
1178
1179         if {$col == 0} {
1180                 toggle_mode $path
1181         }
1182 }
1183
1184 ######################################################################
1185 ##
1186 ## ui init
1187
1188 set mainfont {Helvetica 10}
1189 set difffont {Courier 10}
1190 set maincursor [. cget -cursor]
1191
1192 switch -- $tcl_platform(platform) {
1193 windows {set M1B Control; set M1T Ctrl}
1194 default {set M1B M1; set M1T M1}
1195 }
1196
1197 # -- Menu Bar
1198 menu .mbar -tearoff 0
1199 .mbar add cascade -label Project -menu .mbar.project
1200 .mbar add cascade -label Commit -menu .mbar.commit
1201 .mbar add cascade -label Fetch -menu .mbar.fetch
1202 .mbar add cascade -label Pull -menu .mbar.pull
1203 .mbar add cascade -label Push -menu .mbar.push
1204 . configure -menu .mbar
1205
1206 # -- Project Menu
1207 menu .mbar.project
1208 .mbar.project add command -label Visualize \
1209         -command do_gitk \
1210         -font $mainfont
1211 .mbar.project add command -label Quit \
1212         -command do_quit \
1213         -accelerator $M1T-Q \
1214         -font $mainfont
1215
1216 # -- Commit Menu
1217 menu .mbar.commit
1218 .mbar.commit add command -label Rescan \
1219         -command do_rescan \
1220         -accelerator F5 \
1221         -font $mainfont
1222 lappend disable_on_lock \
1223         [list .mbar.commit entryconf [.mbar.commit index last] -state]
1224 .mbar.commit add command -label {Amend Last Commit} \
1225         -command do_amend_last \
1226         -font $mainfont
1227 lappend disable_on_lock \
1228         [list .mbar.commit entryconf [.mbar.commit index last] -state]
1229 .mbar.commit add command -label {Check-in All Files} \
1230         -command do_checkin_all \
1231         -accelerator $M1T-U \
1232         -font $mainfont
1233 lappend disable_on_lock \
1234         [list .mbar.commit entryconf [.mbar.commit index last] -state]
1235 .mbar.commit add command -label {Sign Off} \
1236         -command do_signoff \
1237         -accelerator $M1T-S \
1238         -font $mainfont
1239 .mbar.commit add command -label Commit \
1240         -command do_commit \
1241         -accelerator $M1T-Return \
1242         -font $mainfont
1243 lappend disable_on_lock \
1244         [list .mbar.commit entryconf [.mbar.commit index last] -state]
1245
1246 # -- Fetch Menu
1247 menu .mbar.fetch
1248
1249 # -- Pull Menu
1250 menu .mbar.pull
1251
1252 # -- Push Menu
1253 menu .mbar.push
1254
1255 # -- Main Window Layout
1256 panedwindow .vpane -orient vertical
1257 panedwindow .vpane.files -orient horizontal
1258 .vpane add .vpane.files -sticky nsew -height 100 -width 400
1259 pack .vpane -anchor n -side top -fill both -expand 1
1260
1261 # -- Index File List
1262 set ui_index .vpane.files.index.list
1263 frame .vpane.files.index -height 100 -width 400
1264 label .vpane.files.index.title -text {Modified Files} \
1265         -background green \
1266         -font $mainfont
1267 text $ui_index -background white -borderwidth 0 \
1268         -width 40 -height 10 \
1269         -font $mainfont \
1270         -yscrollcommand {.vpane.files.index.sb set} \
1271         -cursor $maincursor \
1272         -state disabled
1273 scrollbar .vpane.files.index.sb -command [list $ui_index yview]
1274 pack .vpane.files.index.title -side top -fill x
1275 pack .vpane.files.index.sb -side right -fill y
1276 pack $ui_index -side left -fill both -expand 1
1277 .vpane.files add .vpane.files.index -sticky nsew
1278
1279 # -- Other (Add) File List
1280 set ui_other .vpane.files.other.list
1281 frame .vpane.files.other -height 100 -width 100
1282 label .vpane.files.other.title -text {Untracked Files} \
1283         -background red \
1284         -font $mainfont
1285 text $ui_other -background white -borderwidth 0 \
1286         -width 40 -height 10 \
1287         -font $mainfont \
1288         -yscrollcommand {.vpane.files.other.sb set} \
1289         -cursor $maincursor \
1290         -state disabled
1291 scrollbar .vpane.files.other.sb -command [list $ui_other yview]
1292 pack .vpane.files.other.title -side top -fill x
1293 pack .vpane.files.other.sb -side right -fill y
1294 pack $ui_other -side left -fill both -expand 1
1295 .vpane.files add .vpane.files.other -sticky nsew
1296
1297 $ui_index tag conf in_diff -font [concat $mainfont bold]
1298 $ui_other tag conf in_diff -font [concat $mainfont bold]
1299
1300 # -- Diff Header
1301 set ui_fname_value {}
1302 set ui_fstatus_value {}
1303 frame .vpane.diff -height 200 -width 400
1304 frame .vpane.diff.header
1305 label .vpane.diff.header.l1 -text {File:} -font $mainfont
1306 label .vpane.diff.header.l2 -textvariable ui_fname_value \
1307         -anchor w \
1308         -justify left \
1309         -font $mainfont
1310 label .vpane.diff.header.l3 -text {Status:} -font $mainfont
1311 label .vpane.diff.header.l4 -textvariable ui_fstatus_value \
1312         -width $max_status_desc \
1313         -anchor w \
1314         -justify left \
1315         -font $mainfont
1316 pack .vpane.diff.header.l1 -side left
1317 pack .vpane.diff.header.l2 -side left -fill x
1318 pack .vpane.diff.header.l4 -side right
1319 pack .vpane.diff.header.l3 -side right
1320
1321 # -- Diff Body
1322 frame .vpane.diff.body
1323 set ui_diff .vpane.diff.body.t
1324 text $ui_diff -background white -borderwidth 0 \
1325         -width 80 -height 15 -wrap none \
1326         -font $difffont \
1327         -xscrollcommand {.vpane.diff.body.sbx set} \
1328         -yscrollcommand {.vpane.diff.body.sby set} \
1329         -cursor $maincursor \
1330         -state disabled
1331 scrollbar .vpane.diff.body.sbx -orient horizontal \
1332         -command [list $ui_diff xview]
1333 scrollbar .vpane.diff.body.sby -orient vertical \
1334         -command [list $ui_diff yview]
1335 pack .vpane.diff.body.sbx -side bottom -fill x
1336 pack .vpane.diff.body.sby -side right -fill y
1337 pack $ui_diff -side left -fill both -expand 1
1338 pack .vpane.diff.header -side top -fill x
1339 pack .vpane.diff.body -side bottom -fill both -expand 1
1340 .vpane add .vpane.diff -stick nsew
1341
1342 $ui_diff tag conf dm -foreground red
1343 $ui_diff tag conf dp -foreground blue
1344 $ui_diff tag conf da -font [concat $difffont bold]
1345 $ui_diff tag conf di -foreground "#00a000"
1346 $ui_diff tag conf dni -foreground "#a000a0"
1347 $ui_diff tag conf bold -font [concat $difffont bold]
1348
1349 # -- Commit Area
1350 frame .vpane.commarea -height 170
1351 .vpane add .vpane.commarea -stick nsew
1352
1353 # -- Commit Area Buttons
1354 frame .vpane.commarea.buttons
1355 label .vpane.commarea.buttons.l -text {} \
1356         -anchor w \
1357         -justify left \
1358         -font $mainfont
1359 pack .vpane.commarea.buttons.l -side top -fill x
1360 pack .vpane.commarea.buttons -side left -fill y
1361
1362 button .vpane.commarea.buttons.rescan -text {Rescan} \
1363         -command do_rescan \
1364         -font $mainfont
1365 pack .vpane.commarea.buttons.rescan -side top -fill x
1366 lappend disable_on_lock {.vpane.commarea.buttons.rescan conf -state}
1367
1368 button .vpane.commarea.buttons.amend -text {Amend Last} \
1369         -command do_amend_last \
1370         -font $mainfont
1371 pack .vpane.commarea.buttons.amend -side top -fill x
1372 lappend disable_on_lock {.vpane.commarea.buttons.amend conf -state}
1373
1374 button .vpane.commarea.buttons.ciall -text {Check-in All} \
1375         -command do_checkin_all \
1376         -font $mainfont
1377 pack .vpane.commarea.buttons.ciall -side top -fill x
1378 lappend disable_on_lock {.vpane.commarea.buttons.ciall conf -state}
1379
1380 button .vpane.commarea.buttons.signoff -text {Sign Off} \
1381         -command do_signoff \
1382         -font $mainfont
1383 pack .vpane.commarea.buttons.signoff -side top -fill x
1384
1385 button .vpane.commarea.buttons.commit -text {Commit} \
1386         -command do_commit \
1387         -font $mainfont
1388 pack .vpane.commarea.buttons.commit -side top -fill x
1389 lappend disable_on_lock {.vpane.commarea.buttons.commit conf -state}
1390
1391 # -- Commit Message Buffer
1392 frame .vpane.commarea.buffer
1393 set ui_comm .vpane.commarea.buffer.t
1394 set ui_coml .vpane.commarea.buffer.l
1395 label $ui_coml -text {Commit Message:} \
1396         -anchor w \
1397         -justify left \
1398         -font $mainfont
1399 trace add variable commit_type write {uplevel #0 {
1400         switch -glob $commit_type \
1401         initial {$ui_coml conf -text {Initial Commit Message:}} \
1402         amend   {$ui_coml conf -text {Amended Commit Message:}} \
1403         merge   {$ui_coml conf -text {Merge Commit Message:}} \
1404         *       {$ui_coml conf -text {Commit Message:}}
1405 }}
1406 text $ui_comm -background white -borderwidth 1 \
1407         -relief sunken \
1408         -width 75 -height 10 -wrap none \
1409         -font $difffont \
1410         -yscrollcommand {.vpane.commarea.buffer.sby set} \
1411         -cursor $maincursor
1412 scrollbar .vpane.commarea.buffer.sby -command [list $ui_comm yview]
1413 pack $ui_coml -side top -fill x
1414 pack .vpane.commarea.buffer.sby -side right -fill y
1415 pack $ui_comm -side left -fill y
1416 pack .vpane.commarea.buffer -side left -fill y
1417
1418 # -- Status Bar
1419 set ui_status_value {Initializing...}
1420 label .status -textvariable ui_status_value \
1421         -anchor w \
1422         -justify left \
1423         -borderwidth 1 \
1424         -relief sunken \
1425         -font $mainfont
1426 pack .status -anchor w -side bottom -fill x
1427
1428 # -- Key Bindings
1429 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
1430 bind . <Destroy> do_quit
1431 bind . <Key-F5> do_rescan
1432 bind . <$M1B-Key-r> do_rescan
1433 bind . <$M1B-Key-R> do_rescan
1434 bind . <$M1B-Key-s> do_signoff
1435 bind . <$M1B-Key-S> do_signoff
1436 bind . <$M1B-Key-u> do_checkin_all
1437 bind . <$M1B-Key-U> do_checkin_all
1438 bind . <$M1B-Key-Return> do_commit
1439 bind . <$M1B-Key-q> do_quit
1440 bind . <$M1B-Key-Q> do_quit
1441 foreach i [list $ui_index $ui_other] {
1442         bind $i <Button-1> {click %W %x %y 1 %X %Y; break}
1443         bind $i <Button-3> {click %W %x %y 3 %X %Y; break}
1444         bind $i <ButtonRelease-1> {unclick %W %x %y; break}
1445 }
1446 unset i M1B M1T
1447
1448 ######################################################################
1449 ##
1450 ## main
1451
1452 if {[catch {set gitdir [exec git rev-parse --git-dir]} err]} {
1453         show_msg {} . "Cannot find the git directory: $err"
1454         exit 1
1455 }
1456 set cdup [exec git rev-parse --show-cdup]
1457 if {$cdup != ""} {
1458         cd $cdup
1459 }
1460 unset cdup
1461
1462 set appname [lindex [file split $argv0] end]
1463 if {$appname == {git-citool}} {
1464         set single_commit 1
1465 }
1466
1467 wm title . "$appname ([file normalize [file dirname $gitdir]])"
1468 focus -force $ui_comm
1469 load_all_remotes
1470 populate_remote_menu .mbar.fetch From fetch_from
1471 populate_remote_menu .mbar.push To push_to
1472 update_status