1f5acc3c75cfae7a5354467c8060fe3d2f3ea7e5
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52if { [info exists ::env(GIT_GUI_LIB_DIR) ] } {
  53        set oguilib $::env(GIT_GUI_LIB_DIR)
  54} else {
  55        set oguilib {@@GITGUI_LIBDIR@@}
  56}
  57set oguirel {@@GITGUI_RELATIVE@@}
  58if {$oguirel eq {1}} {
  59        set oguilib [file dirname [file normalize $argv0]]
  60        if {[file tail $oguilib] eq {git-core}} {
  61                set oguilib [file dirname $oguilib]
  62        }
  63        set oguilib [file dirname $oguilib]
  64        set oguilib [file join $oguilib share git-gui lib]
  65        set oguimsg [file join $oguilib msgs]
  66} elseif {[string match @@* $oguirel]} {
  67        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  68        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  69} else {
  70        set oguimsg [file join $oguilib msgs]
  71}
  72unset oguirel
  73
  74######################################################################
  75##
  76## enable verbose loading?
  77
  78if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  79        unset _verbose
  80        rename auto_load real__auto_load
  81        proc auto_load {name args} {
  82                puts stderr "auto_load $name"
  83                return [uplevel 1 real__auto_load $name $args]
  84        }
  85        rename source real__source
  86        proc source {args} {
  87                puts stderr "source    $args"
  88                uplevel 1 [linsert $args 0 real__source]
  89        }
  90        if {[tk windowingsystem] eq "win32"} { console show }
  91}
  92
  93######################################################################
  94##
  95## Internationalization (i18n) through msgcat and gettext. See
  96## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  97
  98package require msgcat
  99
 100# Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
 101if {[tk windowingsystem] eq "win32"
 102        && [package vcompare [package provide msgcat] 1.4.4] < 0
 103} then {
 104        proc _mc_update_locale {} {
 105                set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 106                if {![catch {
 107                        package require registry
 108                        set uilocale [registry get $key "PreferredUILanguages"]
 109                        msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 110                } uilocale]} {
 111                        if {[string length $uilocale] > 0} {
 112                                msgcat::mclocale $uilocale
 113                        }
 114                }
 115        }
 116        _mc_update_locale
 117}
 118
 119proc _mc_trim {fmt} {
 120        set cmk [string first @@ $fmt]
 121        if {$cmk > 0} {
 122                return [string range $fmt 0 [expr {$cmk - 1}]]
 123        }
 124        return $fmt
 125}
 126
 127proc mc {en_fmt args} {
 128        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 129        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 130                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 131        }
 132        return $msg
 133}
 134
 135proc strcat {args} {
 136        return [join $args {}]
 137}
 138
 139::msgcat::mcload $oguimsg
 140unset oguimsg
 141
 142######################################################################
 143##
 144## On Mac, bring the current Wish process window to front
 145
 146if {[tk windowingsystem] eq "aqua"} {
 147        catch {
 148                exec osascript -e [format {
 149                        tell application "System Events"
 150                                set frontmost of processes whose unix id is %d to true
 151                        end tell
 152                } [pid]]
 153        }
 154}
 155
 156######################################################################
 157##
 158## read only globals
 159
 160set _appname {Git Gui}
 161set _gitdir {}
 162set _gitworktree {}
 163set _isbare {}
 164set _gitexec {}
 165set _githtmldir {}
 166set _reponame {}
 167set _iscygwin {}
 168set _search_path {}
 169set _shellpath {@@SHELL_PATH@@}
 170
 171set _trace [lsearch -exact $argv --trace]
 172if {$_trace >= 0} {
 173        set argv [lreplace $argv $_trace $_trace]
 174        set _trace 1
 175        if {[tk windowingsystem] eq "win32"} { console show }
 176} else {
 177        set _trace 0
 178}
 179
 180# variable for the last merged branch (useful for a default when deleting
 181# branches).
 182set _last_merged_branch {}
 183
 184proc shellpath {} {
 185        global _shellpath env
 186        if {[string match @@* $_shellpath]} {
 187                if {[info exists env(SHELL)]} {
 188                        return $env(SHELL)
 189                } else {
 190                        return /bin/sh
 191                }
 192        }
 193        return $_shellpath
 194}
 195
 196proc appname {} {
 197        global _appname
 198        return $_appname
 199}
 200
 201proc gitdir {args} {
 202        global _gitdir
 203        if {$args eq {}} {
 204                return $_gitdir
 205        }
 206        return [eval [list file join $_gitdir] $args]
 207}
 208
 209proc gitexec {args} {
 210        global _gitexec
 211        if {$_gitexec eq {}} {
 212                if {[catch {set _gitexec [git --exec-path]} err]} {
 213                        error "Git not installed?\n\n$err"
 214                }
 215                if {[is_Cygwin]} {
 216                        set _gitexec [exec cygpath \
 217                                --windows \
 218                                --absolute \
 219                                $_gitexec]
 220                } else {
 221                        set _gitexec [file normalize $_gitexec]
 222                }
 223        }
 224        if {$args eq {}} {
 225                return $_gitexec
 226        }
 227        return [eval [list file join $_gitexec] $args]
 228}
 229
 230proc githtmldir {args} {
 231        global _githtmldir
 232        if {$_githtmldir eq {}} {
 233                if {[catch {set _githtmldir [git --html-path]}]} {
 234                        # Git not installed or option not yet supported
 235                        return {}
 236                }
 237                if {[is_Cygwin]} {
 238                        set _githtmldir [exec cygpath \
 239                                --windows \
 240                                --absolute \
 241                                $_githtmldir]
 242                } else {
 243                        set _githtmldir [file normalize $_githtmldir]
 244                }
 245        }
 246        if {$args eq {}} {
 247                return $_githtmldir
 248        }
 249        return [eval [list file join $_githtmldir] $args]
 250}
 251
 252proc reponame {} {
 253        return $::_reponame
 254}
 255
 256proc is_MacOSX {} {
 257        if {[tk windowingsystem] eq {aqua}} {
 258                return 1
 259        }
 260        return 0
 261}
 262
 263proc is_Windows {} {
 264        if {$::tcl_platform(platform) eq {windows}} {
 265                return 1
 266        }
 267        return 0
 268}
 269
 270proc is_Cygwin {} {
 271        global _iscygwin
 272        if {$_iscygwin eq {}} {
 273                if {$::tcl_platform(platform) eq {windows}} {
 274                        if {[catch {set p [exec cygpath --windir]} err]} {
 275                                set _iscygwin 0
 276                        } else {
 277                                set _iscygwin 1
 278                                # Handle MSys2 which is only cygwin when MSYSTEM is MSYS.
 279                                if {[info exists ::env(MSYSTEM)] && $::env(MSYSTEM) ne "MSYS"} {
 280                                        set _iscygwin 0
 281                                }
 282                        }
 283                } else {
 284                        set _iscygwin 0
 285                }
 286        }
 287        return $_iscygwin
 288}
 289
 290proc is_enabled {option} {
 291        global enabled_options
 292        if {[catch {set on $enabled_options($option)}]} {return 0}
 293        return $on
 294}
 295
 296proc enable_option {option} {
 297        global enabled_options
 298        set enabled_options($option) 1
 299}
 300
 301proc disable_option {option} {
 302        global enabled_options
 303        set enabled_options($option) 0
 304}
 305
 306######################################################################
 307##
 308## config
 309
 310proc is_many_config {name} {
 311        switch -glob -- $name {
 312        gui.recentrepo -
 313        remote.*.fetch -
 314        remote.*.push
 315                {return 1}
 316        *
 317                {return 0}
 318        }
 319}
 320
 321proc is_config_true {name} {
 322        global repo_config
 323        if {[catch {set v $repo_config($name)}]} {
 324                return 0
 325        }
 326        set v [string tolower $v]
 327        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 328                return 1
 329        } else {
 330                return 0
 331        }
 332}
 333
 334proc is_config_false {name} {
 335        global repo_config
 336        if {[catch {set v $repo_config($name)}]} {
 337                return 0
 338        }
 339        set v [string tolower $v]
 340        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 341                return 1
 342        } else {
 343                return 0
 344        }
 345}
 346
 347proc get_config {name} {
 348        global repo_config
 349        if {[catch {set v $repo_config($name)}]} {
 350                return {}
 351        } else {
 352                return $v
 353        }
 354}
 355
 356proc is_bare {} {
 357        global _isbare
 358        global _gitdir
 359        global _gitworktree
 360
 361        if {$_isbare eq {}} {
 362                if {[catch {
 363                        set _bare [git rev-parse --is-bare-repository]
 364                        switch  -- $_bare {
 365                        true { set _isbare 1 }
 366                        false { set _isbare 0}
 367                        default { throw }
 368                        }
 369                }]} {
 370                        if {[is_config_true core.bare]
 371                                || ($_gitworktree eq {}
 372                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 373                                set _isbare 1
 374                        } else {
 375                                set _isbare 0
 376                        }
 377                }
 378        }
 379        return $_isbare
 380}
 381
 382######################################################################
 383##
 384## handy utils
 385
 386proc _trace_exec {cmd} {
 387        if {!$::_trace} return
 388        set d {}
 389        foreach v $cmd {
 390                if {$d ne {}} {
 391                        append d { }
 392                }
 393                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 394                        set v [sq $v]
 395                }
 396                append d $v
 397        }
 398        puts stderr $d
 399}
 400
 401#'"  fix poor old emacs font-lock mode
 402
 403proc _git_cmd {name} {
 404        global _git_cmd_path
 405
 406        if {[catch {set v $_git_cmd_path($name)}]} {
 407                switch -- $name {
 408                  version   -
 409                --version   -
 410                --exec-path { return [list $::_git $name] }
 411                }
 412
 413                set p [gitexec git-$name$::_search_exe]
 414                if {[file exists $p]} {
 415                        set v [list $p]
 416                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 417                        # Try to determine what sort of magic will make
 418                        # git-$name go and do its thing, because native
 419                        # Tcl on Windows doesn't know it.
 420                        #
 421                        set p [gitexec git-$name]
 422                        set f [open $p r]
 423                        set s [gets $f]
 424                        close $f
 425
 426                        switch -glob -- [lindex $s 0] {
 427                        #!*sh     { set i sh     }
 428                        #!*perl   { set i perl   }
 429                        #!*python { set i python }
 430                        default   { error "git-$name is not supported: $s" }
 431                        }
 432
 433                        upvar #0 _$i interp
 434                        if {![info exists interp]} {
 435                                set interp [_which $i]
 436                        }
 437                        if {$interp eq {}} {
 438                                error "git-$name requires $i (not in PATH)"
 439                        }
 440                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 441                } else {
 442                        # Assume it is builtin to git somehow and we
 443                        # aren't actually able to see a file for it.
 444                        #
 445                        set v [list $::_git $name]
 446                }
 447                set _git_cmd_path($name) $v
 448        }
 449        return $v
 450}
 451
 452proc _which {what args} {
 453        global env _search_exe _search_path
 454
 455        if {$_search_path eq {}} {
 456                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 457                        set _search_path [split [exec cygpath \
 458                                --windows \
 459                                --path \
 460                                --absolute \
 461                                $env(PATH)] {;}]
 462                        set _search_exe .exe
 463                } elseif {[is_Windows]} {
 464                        set gitguidir [file dirname [info script]]
 465                        regsub -all ";" $gitguidir "\\;" gitguidir
 466                        set env(PATH) "$gitguidir;$env(PATH)"
 467                        set _search_path [split $env(PATH) {;}]
 468                        set _search_exe .exe
 469                } else {
 470                        set _search_path [split $env(PATH) :]
 471                        set _search_exe {}
 472                }
 473        }
 474
 475        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 476                set suffix {}
 477        } else {
 478                set suffix $_search_exe
 479        }
 480
 481        foreach p $_search_path {
 482                set p [file join $p $what$suffix]
 483                if {[file exists $p]} {
 484                        return [file normalize $p]
 485                }
 486        }
 487        return {}
 488}
 489
 490# Test a file for a hashbang to identify executable scripts on Windows.
 491proc is_shellscript {filename} {
 492        if {![file exists $filename]} {return 0}
 493        set f [open $filename r]
 494        fconfigure $f -encoding binary
 495        set magic [read $f 2]
 496        close $f
 497        return [expr {$magic eq "#!"}]
 498}
 499
 500# Run a command connected via pipes on stdout.
 501# This is for use with textconv filters and uses sh -c "..." to allow it to
 502# contain a command with arguments. On windows we must check for shell
 503# scripts specifically otherwise just call the filter command.
 504proc open_cmd_pipe {cmd path} {
 505        global env
 506        if {![file executable [shellpath]]} {
 507                set exe [auto_execok [lindex $cmd 0]]
 508                if {[is_shellscript [lindex $exe 0]]} {
 509                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 510                } else {
 511                        set run [concat $exe [lrange $cmd 1 end] $path]
 512                }
 513        } else {
 514                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 515        }
 516        return [open |$run r]
 517}
 518
 519proc _lappend_nice {cmd_var} {
 520        global _nice
 521        upvar $cmd_var cmd
 522
 523        if {![info exists _nice]} {
 524                set _nice [_which nice]
 525                if {[catch {exec $_nice git version}]} {
 526                        set _nice {}
 527                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 528                        set _nice {}
 529                }
 530        }
 531        if {$_nice ne {}} {
 532                lappend cmd $_nice
 533        }
 534}
 535
 536proc git {args} {
 537        set opt [list]
 538
 539        while {1} {
 540                switch -- [lindex $args 0] {
 541                --nice {
 542                        _lappend_nice opt
 543                }
 544
 545                default {
 546                        break
 547                }
 548
 549                }
 550
 551                set args [lrange $args 1 end]
 552        }
 553
 554        set cmdp [_git_cmd [lindex $args 0]]
 555        set args [lrange $args 1 end]
 556
 557        _trace_exec [concat $opt $cmdp $args]
 558        set result [eval exec $opt $cmdp $args]
 559        if {[encoding system] != "utf-8"} {
 560                set result [encoding convertfrom utf-8 [encoding convertto $result]]
 561        }
 562        if {$::_trace} {
 563                puts stderr "< $result"
 564        }
 565        return $result
 566}
 567
 568proc _open_stdout_stderr {cmd} {
 569        _trace_exec $cmd
 570        if {[catch {
 571                        set fd [open [concat [list | ] $cmd] r]
 572                } err]} {
 573                if {   [lindex $cmd end] eq {2>@1}
 574                    && $err eq {can not find channel named "1"}
 575                        } {
 576                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 577                        # redirect operator.  Fallback to |& cat for those.
 578                        # The command was not actually started, so its safe
 579                        # to try to start it a second time.
 580                        #
 581                        set fd [open [concat \
 582                                [list | ] \
 583                                [lrange $cmd 0 end-1] \
 584                                [list |& cat] \
 585                                ] r]
 586                } else {
 587                        error $err
 588                }
 589        }
 590        fconfigure $fd -eofchar {}
 591        return $fd
 592}
 593
 594proc git_read {args} {
 595        set opt [list]
 596
 597        while {1} {
 598                switch -- [lindex $args 0] {
 599                --nice {
 600                        _lappend_nice opt
 601                }
 602
 603                --stderr {
 604                        lappend args 2>@1
 605                }
 606
 607                default {
 608                        break
 609                }
 610
 611                }
 612
 613                set args [lrange $args 1 end]
 614        }
 615
 616        set cmdp [_git_cmd [lindex $args 0]]
 617        set args [lrange $args 1 end]
 618
 619        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 620}
 621
 622proc git_write {args} {
 623        set opt [list]
 624
 625        while {1} {
 626                switch -- [lindex $args 0] {
 627                --nice {
 628                        _lappend_nice opt
 629                }
 630
 631                default {
 632                        break
 633                }
 634
 635                }
 636
 637                set args [lrange $args 1 end]
 638        }
 639
 640        set cmdp [_git_cmd [lindex $args 0]]
 641        set args [lrange $args 1 end]
 642
 643        _trace_exec [concat $opt $cmdp $args]
 644        return [open [concat [list | ] $opt $cmdp $args] w]
 645}
 646
 647proc githook_read {hook_name args} {
 648        set pchook [gitdir hooks $hook_name]
 649        lappend args 2>@1
 650
 651        # On Windows [file executable] might lie so we need to ask
 652        # the shell if the hook is executable.  Yes that's annoying.
 653        #
 654        if {[is_Windows]} {
 655                upvar #0 _sh interp
 656                if {![info exists interp]} {
 657                        set interp [_which sh]
 658                }
 659                if {$interp eq {}} {
 660                        error "hook execution requires sh (not in PATH)"
 661                }
 662
 663                set scr {if test -x "$1";then exec "$@";fi}
 664                set sh_c [list $interp -c $scr $interp $pchook]
 665                return [_open_stdout_stderr [concat $sh_c $args]]
 666        }
 667
 668        if {[file executable $pchook]} {
 669                return [_open_stdout_stderr [concat [list $pchook] $args]]
 670        }
 671
 672        return {}
 673}
 674
 675proc kill_file_process {fd} {
 676        set process [pid $fd]
 677
 678        catch {
 679                if {[is_Windows]} {
 680                        exec taskkill /pid $process
 681                } else {
 682                        exec kill $process
 683                }
 684        }
 685}
 686
 687proc gitattr {path attr default} {
 688        if {[catch {set r [git check-attr $attr -- $path]}]} {
 689                set r unspecified
 690        } else {
 691                set r [join [lrange [split $r :] 2 end] :]
 692                regsub {^ } $r {} r
 693        }
 694        if {$r eq {unspecified}} {
 695                return $default
 696        }
 697        return $r
 698}
 699
 700proc sq {value} {
 701        regsub -all ' $value "'\\''" value
 702        return "'$value'"
 703}
 704
 705proc load_current_branch {} {
 706        global current_branch is_detached
 707
 708        set fd [open [gitdir HEAD] r]
 709        if {[gets $fd ref] < 1} {
 710                set ref {}
 711        }
 712        close $fd
 713
 714        set pfx {ref: refs/heads/}
 715        set len [string length $pfx]
 716        if {[string equal -length $len $pfx $ref]} {
 717                # We're on a branch.  It might not exist.  But
 718                # HEAD looks good enough to be a branch.
 719                #
 720                set current_branch [string range $ref $len end]
 721                set is_detached 0
 722        } else {
 723                # Assume this is a detached head.
 724                #
 725                set current_branch HEAD
 726                set is_detached 1
 727        }
 728}
 729
 730auto_load tk_optionMenu
 731rename tk_optionMenu real__tkOptionMenu
 732proc tk_optionMenu {w varName args} {
 733        set m [eval real__tkOptionMenu $w $varName $args]
 734        $m configure -font font_ui
 735        $w configure -font font_ui
 736        return $m
 737}
 738
 739proc rmsel_tag {text} {
 740        $text tag conf sel \
 741                -background [$text cget -background] \
 742                -foreground [$text cget -foreground] \
 743                -borderwidth 0
 744        $text tag conf in_sel -background lightgray
 745        bind $text <Motion> break
 746        return $text
 747}
 748
 749wm withdraw .
 750set root_exists 0
 751bind . <Visibility> {
 752        bind . <Visibility> {}
 753        set root_exists 1
 754}
 755
 756if {[is_Windows]} {
 757        wm iconbitmap . -default $oguilib/git-gui.ico
 758        set ::tk::AlwaysShowSelection 1
 759        bind . <Control-F2> {console show}
 760
 761        # Spoof an X11 display for SSH
 762        if {![info exists env(DISPLAY)]} {
 763                set env(DISPLAY) :9999
 764        }
 765} else {
 766        catch {
 767                image create photo gitlogo -width 16 -height 16
 768
 769                gitlogo put #33CC33 -to  7  0  9  2
 770                gitlogo put #33CC33 -to  4  2 12  4
 771                gitlogo put #33CC33 -to  7  4  9  6
 772                gitlogo put #CC3333 -to  4  6 12  8
 773                gitlogo put gray26  -to  4  9  6 10
 774                gitlogo put gray26  -to  3 10  6 12
 775                gitlogo put gray26  -to  8  9 13 11
 776                gitlogo put gray26  -to  8 11 10 12
 777                gitlogo put gray26  -to 11 11 13 14
 778                gitlogo put gray26  -to  3 12  5 14
 779                gitlogo put gray26  -to  5 13
 780                gitlogo put gray26  -to 10 13
 781                gitlogo put gray26  -to  4 14 12 15
 782                gitlogo put gray26  -to  5 15 11 16
 783                gitlogo redither
 784
 785                image create photo gitlogo32 -width 32 -height 32
 786                gitlogo32 copy gitlogo -zoom 2 2
 787
 788                wm iconphoto . -default gitlogo gitlogo32
 789        }
 790}
 791
 792######################################################################
 793##
 794## config defaults
 795
 796set cursor_ptr arrow
 797font create font_ui
 798if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 799        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 800        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 801} else {
 802        font create font_diff -family Courier -size 10
 803        catch {
 804                label .dummy
 805                eval font configure font_ui [font actual [.dummy cget -font]]
 806                destroy .dummy
 807        }
 808}
 809
 810font create font_uiitalic
 811font create font_uibold
 812font create font_diffbold
 813font create font_diffitalic
 814
 815foreach class {Button Checkbutton Entry Label
 816                Labelframe Listbox Message
 817                Radiobutton Spinbox Text} {
 818        option add *$class.font font_ui
 819}
 820if {![is_MacOSX]} {
 821        option add *Menu.font font_ui
 822        option add *Entry.borderWidth 1 startupFile
 823        option add *Entry.relief sunken startupFile
 824        option add *RadioButton.anchor w startupFile
 825}
 826unset class
 827
 828if {[is_Windows] || [is_MacOSX]} {
 829        option add *Menu.tearOff 0
 830}
 831
 832if {[is_MacOSX]} {
 833        set M1B M1
 834        set M1T Cmd
 835} else {
 836        set M1B Control
 837        set M1T Ctrl
 838}
 839
 840proc bind_button3 {w cmd} {
 841        bind $w <Any-Button-3> $cmd
 842        if {[is_MacOSX]} {
 843                # Mac OS X sends Button-2 on right click through three-button mouse,
 844                # or through trackpad right-clicking (two-finger touch + click).
 845                bind $w <Any-Button-2> $cmd
 846                bind $w <Control-Button-1> $cmd
 847        }
 848}
 849
 850proc apply_config {} {
 851        global repo_config font_descs
 852
 853        foreach option $font_descs {
 854                set name [lindex $option 0]
 855                set font [lindex $option 1]
 856                if {[catch {
 857                        set need_weight 1
 858                        foreach {cn cv} $repo_config(gui.$name) {
 859                                if {$cn eq {-weight}} {
 860                                        set need_weight 0
 861                                }
 862                                font configure $font $cn $cv
 863                        }
 864                        if {$need_weight} {
 865                                font configure $font -weight normal
 866                        }
 867                        } err]} {
 868                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 869                }
 870                foreach {cn cv} [font configure $font] {
 871                        font configure ${font}bold $cn $cv
 872                        font configure ${font}italic $cn $cv
 873                }
 874                font configure ${font}bold -weight bold
 875                font configure ${font}italic -slant italic
 876        }
 877
 878        global use_ttk NS
 879        set use_ttk 0
 880        set NS {}
 881        if {$repo_config(gui.usettk)} {
 882                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 883                if {$use_ttk} {
 884                        set NS ttk
 885                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 886                        pave_toplevel .
 887                }
 888        }
 889}
 890
 891set default_config(branch.autosetupmerge) true
 892set default_config(merge.tool) {}
 893set default_config(mergetool.keepbackup) true
 894set default_config(merge.diffstat) true
 895set default_config(merge.summary) false
 896set default_config(merge.verbosity) 2
 897set default_config(user.name) {}
 898set default_config(user.email) {}
 899
 900set default_config(gui.encoding) [encoding system]
 901set default_config(gui.matchtrackingbranch) false
 902set default_config(gui.textconv) true
 903set default_config(gui.pruneduringfetch) false
 904set default_config(gui.trustmtime) false
 905set default_config(gui.fastcopyblame) false
 906set default_config(gui.maxrecentrepo) 10
 907set default_config(gui.copyblamethreshold) 40
 908set default_config(gui.blamehistoryctx) 7
 909set default_config(gui.diffcontext) 5
 910set default_config(gui.diffopts) {}
 911set default_config(gui.commitmsgwidth) 75
 912set default_config(gui.newbranchtemplate) {}
 913set default_config(gui.spellingdictionary) {}
 914set default_config(gui.fontui) [font configure font_ui]
 915set default_config(gui.fontdiff) [font configure font_diff]
 916# TODO: this option should be added to the git-config documentation
 917set default_config(gui.maxfilesdisplayed) 5000
 918set default_config(gui.usettk) 1
 919set default_config(gui.warndetachedcommit) 1
 920set default_config(gui.tabsize) 8
 921set font_descs {
 922        {fontui   font_ui   {mc "Main Font"}}
 923        {fontdiff font_diff {mc "Diff/Console Font"}}
 924}
 925set default_config(gui.stageuntracked) ask
 926set default_config(gui.displayuntracked) true
 927
 928######################################################################
 929##
 930## find git
 931
 932set _git  [_which git]
 933if {$_git eq {}} {
 934        catch {wm withdraw .}
 935        tk_messageBox \
 936                -icon error \
 937                -type ok \
 938                -title [mc "git-gui: fatal error"] \
 939                -message [mc "Cannot find git in PATH."]
 940        exit 1
 941}
 942
 943######################################################################
 944##
 945## version check
 946
 947if {[catch {set _git_version [git --version]} err]} {
 948        catch {wm withdraw .}
 949        tk_messageBox \
 950                -icon error \
 951                -type ok \
 952                -title [mc "git-gui: fatal error"] \
 953                -message "Cannot determine Git version:
 954
 955$err
 956
 957[appname] requires Git 1.5.0 or later."
 958        exit 1
 959}
 960if {![regsub {^git version } $_git_version {} _git_version]} {
 961        catch {wm withdraw .}
 962        tk_messageBox \
 963                -icon error \
 964                -type ok \
 965                -title [mc "git-gui: fatal error"] \
 966                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 967        exit 1
 968}
 969
 970proc get_trimmed_version {s} {
 971    set r {}
 972    foreach x [split $s -._] {
 973        if {[string is integer -strict $x]} {
 974            lappend r $x
 975        } else {
 976            break
 977        }
 978    }
 979    return [join $r .]
 980}
 981set _real_git_version $_git_version
 982set _git_version [get_trimmed_version $_git_version]
 983
 984if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 985        catch {wm withdraw .}
 986        if {[tk_messageBox \
 987                -icon warning \
 988                -type yesno \
 989                -default no \
 990                -title "[appname]: warning" \
 991                 -message [mc "Git version cannot be determined.
 992
 993%s claims it is version '%s'.
 994
 995%s requires at least Git 1.5.0 or later.
 996
 997Assume '%s' is version 1.5.0?
 998" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 999                set _git_version 1.5.0
1000        } else {
1001                exit 1
1002        }
1003}
1004unset _real_git_version
1005
1006proc git-version {args} {
1007        global _git_version
1008
1009        switch [llength $args] {
1010        0 {
1011                return $_git_version
1012        }
1013
1014        2 {
1015                set op [lindex $args 0]
1016                set vr [lindex $args 1]
1017                set cm [package vcompare $_git_version $vr]
1018                return [expr $cm $op 0]
1019        }
1020
1021        4 {
1022                set type [lindex $args 0]
1023                set name [lindex $args 1]
1024                set parm [lindex $args 2]
1025                set body [lindex $args 3]
1026
1027                if {($type ne {proc} && $type ne {method})} {
1028                        error "Invalid arguments to git-version"
1029                }
1030                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1031                        error "Last arm of $type $name must be default"
1032                }
1033
1034                foreach {op vr cb} [lrange $body 0 end-2] {
1035                        if {[git-version $op $vr]} {
1036                                return [uplevel [list $type $name $parm $cb]]
1037                        }
1038                }
1039
1040                return [uplevel [list $type $name $parm [lindex $body end]]]
1041        }
1042
1043        default {
1044                error "git-version >= x"
1045        }
1046
1047        }
1048}
1049
1050if {[git-version < 1.5]} {
1051        catch {wm withdraw .}
1052        tk_messageBox \
1053                -icon error \
1054                -type ok \
1055                -title [mc "git-gui: fatal error"] \
1056                -message "[appname] requires Git 1.5.0 or later.
1057
1058You are using [git-version]:
1059
1060[git --version]"
1061        exit 1
1062}
1063
1064######################################################################
1065##
1066## configure our library
1067
1068set idx [file join $oguilib tclIndex]
1069if {[catch {set fd [open $idx r]} err]} {
1070        catch {wm withdraw .}
1071        tk_messageBox \
1072                -icon error \
1073                -type ok \
1074                -title [mc "git-gui: fatal error"] \
1075                -message $err
1076        exit 1
1077}
1078if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1079        set idx [list]
1080        while {[gets $fd n] >= 0} {
1081                if {$n ne {} && ![string match #* $n]} {
1082                        lappend idx $n
1083                }
1084        }
1085} else {
1086        set idx {}
1087}
1088close $fd
1089
1090if {$idx ne {}} {
1091        set loaded [list]
1092        foreach p $idx {
1093                if {[lsearch -exact $loaded $p] >= 0} continue
1094                source [file join $oguilib $p]
1095                lappend loaded $p
1096        }
1097        unset loaded p
1098} else {
1099        set auto_path [concat [list $oguilib] $auto_path]
1100}
1101unset -nocomplain idx fd
1102
1103######################################################################
1104##
1105## config file parsing
1106
1107git-version proc _parse_config {arr_name args} {
1108        >= 1.5.3 {
1109                upvar $arr_name arr
1110                array unset arr
1111                set buf {}
1112                catch {
1113                        set fd_rc [eval \
1114                                [list git_read config] \
1115                                $args \
1116                                [list --null --list]]
1117                        fconfigure $fd_rc -translation binary -encoding utf-8
1118                        set buf [read $fd_rc]
1119                        close $fd_rc
1120                }
1121                foreach line [split $buf "\0"] {
1122                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1123                                if {[is_many_config $name]} {
1124                                        lappend arr($name) $value
1125                                } else {
1126                                        set arr($name) $value
1127                                }
1128                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1129                                # no value given, but interpreting them as
1130                                # boolean will be handled as true
1131                                set arr($name) {}
1132                        }
1133                }
1134        }
1135        default {
1136                upvar $arr_name arr
1137                array unset arr
1138                catch {
1139                        set fd_rc [eval [list git_read config --list] $args]
1140                        while {[gets $fd_rc line] >= 0} {
1141                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1142                                        if {[is_many_config $name]} {
1143                                                lappend arr($name) $value
1144                                        } else {
1145                                                set arr($name) $value
1146                                        }
1147                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1148                                        # no value given, but interpreting them as
1149                                        # boolean will be handled as true
1150                                        set arr($name) {}
1151                                }
1152                        }
1153                        close $fd_rc
1154                }
1155        }
1156}
1157
1158proc load_config {include_global} {
1159        global repo_config global_config system_config default_config
1160
1161        if {$include_global} {
1162                _parse_config system_config --system
1163                _parse_config global_config --global
1164        }
1165        _parse_config repo_config
1166
1167        foreach name [array names default_config] {
1168                if {[catch {set v $system_config($name)}]} {
1169                        set system_config($name) $default_config($name)
1170                }
1171        }
1172        foreach name [array names system_config] {
1173                if {[catch {set v $global_config($name)}]} {
1174                        set global_config($name) $system_config($name)
1175                }
1176                if {[catch {set v $repo_config($name)}]} {
1177                        set repo_config($name) $system_config($name)
1178                }
1179        }
1180}
1181
1182######################################################################
1183##
1184## feature option selection
1185
1186if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1187        unset _junk
1188} else {
1189        set subcommand gui
1190}
1191if {$subcommand eq {gui.sh}} {
1192        set subcommand gui
1193}
1194if {$subcommand eq {gui} && [llength $argv] > 0} {
1195        set subcommand [lindex $argv 0]
1196        set argv [lrange $argv 1 end]
1197}
1198
1199enable_option multicommit
1200enable_option branch
1201enable_option transport
1202disable_option bare
1203
1204switch -- $subcommand {
1205browser -
1206blame {
1207        enable_option bare
1208
1209        disable_option multicommit
1210        disable_option branch
1211        disable_option transport
1212}
1213citool {
1214        enable_option singlecommit
1215        enable_option retcode
1216
1217        disable_option multicommit
1218        disable_option branch
1219        disable_option transport
1220
1221        while {[llength $argv] > 0} {
1222                set a [lindex $argv 0]
1223                switch -- $a {
1224                --amend {
1225                        enable_option initialamend
1226                }
1227                --nocommit {
1228                        enable_option nocommit
1229                        enable_option nocommitmsg
1230                }
1231                --commitmsg {
1232                        disable_option nocommitmsg
1233                }
1234                default {
1235                        break
1236                }
1237                }
1238
1239                set argv [lrange $argv 1 end]
1240        }
1241}
1242}
1243
1244######################################################################
1245##
1246## execution environment
1247
1248set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1249
1250# Suggest our implementation of askpass, if none is set
1251if {![info exists env(SSH_ASKPASS)]} {
1252        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1253}
1254
1255######################################################################
1256##
1257## repository setup
1258
1259set picked 0
1260if {[catch {
1261                set _gitdir $env(GIT_DIR)
1262                set _prefix {}
1263                }]
1264        && [catch {
1265                # beware that from the .git dir this sets _gitdir to .
1266                # and _prefix to the empty string
1267                set _gitdir [git rev-parse --git-dir]
1268                set _prefix [git rev-parse --show-prefix]
1269        } err]} {
1270        load_config 1
1271        apply_config
1272        choose_repository::pick
1273        set picked 1
1274}
1275
1276# we expand the _gitdir when it's just a single dot (i.e. when we're being
1277# run from the .git dir itself) lest the routines to find the worktree
1278# get confused
1279if {$_gitdir eq "."} {
1280        set _gitdir [pwd]
1281}
1282
1283if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1284        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1285}
1286if {![file isdirectory $_gitdir]} {
1287        catch {wm withdraw .}
1288        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1289        exit 1
1290}
1291# _gitdir exists, so try loading the config
1292load_config 0
1293apply_config
1294
1295# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1296if {[package vcompare $_git_version 1.7.0] >= 0} {
1297        if { [is_Cygwin] } {
1298                catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1299        } else {
1300                set _gitworktree [git rev-parse --show-toplevel]
1301        }
1302} else {
1303        # try to set work tree from environment, core.worktree or use
1304        # cdup to obtain a relative path to the top of the worktree. If
1305        # run from the top, the ./ prefix ensures normalize expands pwd.
1306        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1307                set _gitworktree [get_config core.worktree]
1308                if {$_gitworktree eq ""} {
1309                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1310                }
1311        }
1312}
1313
1314if {$_prefix ne {}} {
1315        if {$_gitworktree eq {}} {
1316                regsub -all {[^/]+/} $_prefix ../ cdup
1317        } else {
1318                set cdup $_gitworktree
1319        }
1320        if {[catch {cd $cdup} err]} {
1321                catch {wm withdraw .}
1322                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1323                exit 1
1324        }
1325        set _gitworktree [pwd]
1326        unset cdup
1327} elseif {![is_enabled bare]} {
1328        if {[is_bare]} {
1329                catch {wm withdraw .}
1330                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1331                exit 1
1332        }
1333        if {$_gitworktree eq {}} {
1334                set _gitworktree [file dirname $_gitdir]
1335        }
1336        if {[catch {cd $_gitworktree} err]} {
1337                catch {wm withdraw .}
1338                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1339                exit 1
1340        }
1341        set _gitworktree [pwd]
1342}
1343set _reponame [file split [file normalize $_gitdir]]
1344if {[lindex $_reponame end] eq {.git}} {
1345        set _reponame [lindex $_reponame end-1]
1346} else {
1347        set _reponame [lindex $_reponame end]
1348}
1349
1350set env(GIT_DIR) $_gitdir
1351set env(GIT_WORK_TREE) $_gitworktree
1352
1353######################################################################
1354##
1355## global init
1356
1357set current_diff_path {}
1358set current_diff_side {}
1359set diff_actions [list]
1360
1361set HEAD {}
1362set PARENT {}
1363set MERGE_HEAD [list]
1364set commit_type {}
1365set empty_tree {}
1366set current_branch {}
1367set is_detached 0
1368set current_diff_path {}
1369set is_3way_diff 0
1370set is_submodule_diff 0
1371set is_conflict_diff 0
1372set selected_commit_type new
1373set diff_empty_count 0
1374
1375set nullid "0000000000000000000000000000000000000000"
1376set nullid2 "0000000000000000000000000000000000000001"
1377
1378######################################################################
1379##
1380## task management
1381
1382set rescan_active 0
1383set diff_active 0
1384set last_clicked {}
1385
1386set disable_on_lock [list]
1387set index_lock_type none
1388
1389proc lock_index {type} {
1390        global index_lock_type disable_on_lock
1391
1392        if {$index_lock_type eq {none}} {
1393                set index_lock_type $type
1394                foreach w $disable_on_lock {
1395                        uplevel #0 $w disabled
1396                }
1397                return 1
1398        } elseif {$index_lock_type eq "begin-$type"} {
1399                set index_lock_type $type
1400                return 1
1401        }
1402        return 0
1403}
1404
1405proc unlock_index {} {
1406        global index_lock_type disable_on_lock
1407
1408        set index_lock_type none
1409        foreach w $disable_on_lock {
1410                uplevel #0 $w normal
1411        }
1412}
1413
1414######################################################################
1415##
1416## status
1417
1418proc repository_state {ctvar hdvar mhvar} {
1419        global current_branch
1420        upvar $ctvar ct $hdvar hd $mhvar mh
1421
1422        set mh [list]
1423
1424        load_current_branch
1425        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1426                set hd {}
1427                set ct initial
1428                return
1429        }
1430
1431        set merge_head [gitdir MERGE_HEAD]
1432        if {[file exists $merge_head]} {
1433                set ct merge
1434                set fd_mh [open $merge_head r]
1435                while {[gets $fd_mh line] >= 0} {
1436                        lappend mh $line
1437                }
1438                close $fd_mh
1439                return
1440        }
1441
1442        set ct normal
1443}
1444
1445proc PARENT {} {
1446        global PARENT empty_tree
1447
1448        set p [lindex $PARENT 0]
1449        if {$p ne {}} {
1450                return $p
1451        }
1452        if {$empty_tree eq {}} {
1453                set empty_tree [git mktree << {}]
1454        }
1455        return $empty_tree
1456}
1457
1458proc force_amend {} {
1459        global selected_commit_type
1460        global HEAD PARENT MERGE_HEAD commit_type
1461
1462        repository_state newType newHEAD newMERGE_HEAD
1463        set HEAD $newHEAD
1464        set PARENT $newHEAD
1465        set MERGE_HEAD $newMERGE_HEAD
1466        set commit_type $newType
1467
1468        set selected_commit_type amend
1469        do_select_commit_type
1470}
1471
1472proc rescan {after {honor_trustmtime 1}} {
1473        global HEAD PARENT MERGE_HEAD commit_type
1474        global ui_index ui_workdir ui_comm
1475        global rescan_active file_states
1476        global repo_config
1477
1478        if {$rescan_active > 0 || ![lock_index read]} return
1479
1480        repository_state newType newHEAD newMERGE_HEAD
1481        if {[string match amend* $commit_type]
1482                && $newType eq {normal}
1483                && $newHEAD eq $HEAD} {
1484        } else {
1485                set HEAD $newHEAD
1486                set PARENT $newHEAD
1487                set MERGE_HEAD $newMERGE_HEAD
1488                set commit_type $newType
1489        }
1490
1491        array unset file_states
1492
1493        if {!$::GITGUI_BCK_exists &&
1494                (![$ui_comm edit modified]
1495                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1496                if {[string match amend* $commit_type]} {
1497                } elseif {[load_message GITGUI_MSG utf-8]} {
1498                } elseif {[run_prepare_commit_msg_hook]} {
1499                } elseif {[load_message MERGE_MSG]} {
1500                } elseif {[load_message SQUASH_MSG]} {
1501                }
1502                $ui_comm edit reset
1503                $ui_comm edit modified false
1504        }
1505
1506        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1507                rescan_stage2 {} $after
1508        } else {
1509                set rescan_active 1
1510                ui_status [mc "Refreshing file status..."]
1511                set fd_rf [git_read update-index \
1512                        -q \
1513                        --unmerged \
1514                        --ignore-missing \
1515                        --refresh \
1516                        ]
1517                fconfigure $fd_rf -blocking 0 -translation binary
1518                fileevent $fd_rf readable \
1519                        [list rescan_stage2 $fd_rf $after]
1520        }
1521}
1522
1523if {[is_Cygwin]} {
1524        set is_git_info_exclude {}
1525        proc have_info_exclude {} {
1526                global is_git_info_exclude
1527
1528                if {$is_git_info_exclude eq {}} {
1529                        if {[catch {exec test -f [gitdir info exclude]}]} {
1530                                set is_git_info_exclude 0
1531                        } else {
1532                                set is_git_info_exclude 1
1533                        }
1534                }
1535                return $is_git_info_exclude
1536        }
1537} else {
1538        proc have_info_exclude {} {
1539                return [file readable [gitdir info exclude]]
1540        }
1541}
1542
1543proc rescan_stage2 {fd after} {
1544        global rescan_active buf_rdi buf_rdf buf_rlo
1545
1546        if {$fd ne {}} {
1547                read $fd
1548                if {![eof $fd]} return
1549                close $fd
1550        }
1551
1552        if {[package vcompare $::_git_version 1.6.3] >= 0} {
1553                set ls_others [list --exclude-standard]
1554        } else {
1555                set ls_others [list --exclude-per-directory=.gitignore]
1556                if {[have_info_exclude]} {
1557                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1558                }
1559                set user_exclude [get_config core.excludesfile]
1560                if {$user_exclude ne {} && [file readable $user_exclude]} {
1561                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1562                }
1563        }
1564
1565        set buf_rdi {}
1566        set buf_rdf {}
1567        set buf_rlo {}
1568
1569        set rescan_active 2
1570        ui_status [mc "Scanning for modified files ..."]
1571        if {[git-version >= "1.7.2"]} {
1572                set fd_di [git_read diff-index --cached --ignore-submodules=dirty -z [PARENT]]
1573        } else {
1574                set fd_di [git_read diff-index --cached -z [PARENT]]
1575        }
1576        set fd_df [git_read diff-files -z]
1577
1578        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1579        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1580
1581        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1582        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1583
1584        if {[is_config_true gui.displayuntracked]} {
1585                set fd_lo [eval git_read ls-files --others -z $ls_others]
1586                fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1587                fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1588                incr rescan_active
1589        }
1590}
1591
1592proc load_message {file {encoding {}}} {
1593        global ui_comm
1594
1595        set f [gitdir $file]
1596        if {[file isfile $f]} {
1597                if {[catch {set fd [open $f r]}]} {
1598                        return 0
1599                }
1600                fconfigure $fd -eofchar {}
1601                if {$encoding ne {}} {
1602                        fconfigure $fd -encoding $encoding
1603                }
1604                set content [string trim [read $fd]]
1605                close $fd
1606                regsub -all -line {[ \r\t]+$} $content {} content
1607                $ui_comm delete 0.0 end
1608                $ui_comm insert end $content
1609                return 1
1610        }
1611        return 0
1612}
1613
1614proc run_prepare_commit_msg_hook {} {
1615        global pch_error
1616
1617        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1618        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1619        # empty file but existent file.
1620
1621        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1622
1623        if {[file isfile [gitdir MERGE_MSG]]} {
1624                set pcm_source "merge"
1625                set fd_mm [open [gitdir MERGE_MSG] r]
1626                fconfigure $fd_mm -encoding utf-8
1627                puts -nonewline $fd_pcm [read $fd_mm]
1628                close $fd_mm
1629        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1630                set pcm_source "squash"
1631                set fd_sm [open [gitdir SQUASH_MSG] r]
1632                fconfigure $fd_sm -encoding utf-8
1633                puts -nonewline $fd_pcm [read $fd_sm]
1634                close $fd_sm
1635        } else {
1636                set pcm_source ""
1637        }
1638
1639        close $fd_pcm
1640
1641        set fd_ph [githook_read prepare-commit-msg \
1642                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1643        if {$fd_ph eq {}} {
1644                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1645                return 0;
1646        }
1647
1648        ui_status [mc "Calling prepare-commit-msg hook..."]
1649        set pch_error {}
1650
1651        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1652        fileevent $fd_ph readable \
1653                [list prepare_commit_msg_hook_wait $fd_ph]
1654
1655        return 1;
1656}
1657
1658proc prepare_commit_msg_hook_wait {fd_ph} {
1659        global pch_error
1660
1661        append pch_error [read $fd_ph]
1662        fconfigure $fd_ph -blocking 1
1663        if {[eof $fd_ph]} {
1664                if {[catch {close $fd_ph}]} {
1665                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1666                        hook_failed_popup prepare-commit-msg $pch_error
1667                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1668                        exit 1
1669                } else {
1670                        load_message PREPARE_COMMIT_MSG
1671                }
1672                set pch_error {}
1673                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1674                return
1675        }
1676        fconfigure $fd_ph -blocking 0
1677        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1678}
1679
1680proc read_diff_index {fd after} {
1681        global buf_rdi
1682
1683        append buf_rdi [read $fd]
1684        set c 0
1685        set n [string length $buf_rdi]
1686        while {$c < $n} {
1687                set z1 [string first "\0" $buf_rdi $c]
1688                if {$z1 == -1} break
1689                incr z1
1690                set z2 [string first "\0" $buf_rdi $z1]
1691                if {$z2 == -1} break
1692
1693                incr c
1694                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1695                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1696                merge_state \
1697                        [encoding convertfrom utf-8 $p] \
1698                        [lindex $i 4]? \
1699                        [list [lindex $i 0] [lindex $i 2]] \
1700                        [list]
1701                set c $z2
1702                incr c
1703        }
1704        if {$c < $n} {
1705                set buf_rdi [string range $buf_rdi $c end]
1706        } else {
1707                set buf_rdi {}
1708        }
1709
1710        rescan_done $fd buf_rdi $after
1711}
1712
1713proc read_diff_files {fd after} {
1714        global buf_rdf
1715
1716        append buf_rdf [read $fd]
1717        set c 0
1718        set n [string length $buf_rdf]
1719        while {$c < $n} {
1720                set z1 [string first "\0" $buf_rdf $c]
1721                if {$z1 == -1} break
1722                incr z1
1723                set z2 [string first "\0" $buf_rdf $z1]
1724                if {$z2 == -1} break
1725
1726                incr c
1727                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1728                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1729                merge_state \
1730                        [encoding convertfrom utf-8 $p] \
1731                        ?[lindex $i 4] \
1732                        [list] \
1733                        [list [lindex $i 0] [lindex $i 2]]
1734                set c $z2
1735                incr c
1736        }
1737        if {$c < $n} {
1738                set buf_rdf [string range $buf_rdf $c end]
1739        } else {
1740                set buf_rdf {}
1741        }
1742
1743        rescan_done $fd buf_rdf $after
1744}
1745
1746proc read_ls_others {fd after} {
1747        global buf_rlo
1748
1749        append buf_rlo [read $fd]
1750        set pck [split $buf_rlo "\0"]
1751        set buf_rlo [lindex $pck end]
1752        foreach p [lrange $pck 0 end-1] {
1753                set p [encoding convertfrom utf-8 $p]
1754                if {[string index $p end] eq {/}} {
1755                        set p [string range $p 0 end-1]
1756                }
1757                merge_state $p ?O
1758        }
1759        rescan_done $fd buf_rlo $after
1760}
1761
1762proc rescan_done {fd buf after} {
1763        global rescan_active current_diff_path
1764        global file_states repo_config
1765        upvar $buf to_clear
1766
1767        if {![eof $fd]} return
1768        set to_clear {}
1769        close $fd
1770        if {[incr rescan_active -1] > 0} return
1771
1772        prune_selection
1773        unlock_index
1774        display_all_files
1775        if {$current_diff_path ne {}} { reshow_diff $after }
1776        if {$current_diff_path eq {}} { select_first_diff $after }
1777}
1778
1779proc prune_selection {} {
1780        global file_states selected_paths
1781
1782        foreach path [array names selected_paths] {
1783                if {[catch {set still_here $file_states($path)}]} {
1784                        unset selected_paths($path)
1785                }
1786        }
1787}
1788
1789######################################################################
1790##
1791## ui helpers
1792
1793proc mapicon {w state path} {
1794        global all_icons
1795
1796        if {[catch {set r $all_icons($state$w)}]} {
1797                puts "error: no icon for $w state={$state} $path"
1798                return file_plain
1799        }
1800        return $r
1801}
1802
1803proc mapdesc {state path} {
1804        global all_descs
1805
1806        if {[catch {set r $all_descs($state)}]} {
1807                puts "error: no desc for state={$state} $path"
1808                return $state
1809        }
1810        return $r
1811}
1812
1813proc ui_status {msg} {
1814        global main_status
1815        if {[info exists main_status]} {
1816                $main_status show $msg
1817        }
1818}
1819
1820proc ui_ready {{test {}}} {
1821        global main_status
1822        if {[info exists main_status]} {
1823                $main_status show [mc "Ready."] $test
1824        }
1825}
1826
1827proc escape_path {path} {
1828        regsub -all {\\} $path "\\\\" path
1829        regsub -all "\n" $path "\\n" path
1830        return $path
1831}
1832
1833proc short_path {path} {
1834        return [escape_path [lindex [file split $path] end]]
1835}
1836
1837set next_icon_id 0
1838set null_sha1 [string repeat 0 40]
1839
1840proc merge_state {path new_state {head_info {}} {index_info {}}} {
1841        global file_states next_icon_id null_sha1
1842
1843        set s0 [string index $new_state 0]
1844        set s1 [string index $new_state 1]
1845
1846        if {[catch {set info $file_states($path)}]} {
1847                set state __
1848                set icon n[incr next_icon_id]
1849        } else {
1850                set state [lindex $info 0]
1851                set icon [lindex $info 1]
1852                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1853                if {$index_info eq {}} {set index_info [lindex $info 3]}
1854        }
1855
1856        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1857        elseif {$s0 eq {_}} {set s0 _}
1858
1859        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1860        elseif {$s1 eq {_}} {set s1 _}
1861
1862        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1863                set head_info [list 0 $null_sha1]
1864        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1865                && $head_info eq {}} {
1866                set head_info $index_info
1867        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1868                set index_info $head_info
1869                set head_info {}
1870        }
1871
1872        set file_states($path) [list $s0$s1 $icon \
1873                $head_info $index_info \
1874                ]
1875        return $state
1876}
1877
1878proc display_file_helper {w path icon_name old_m new_m} {
1879        global file_lists
1880
1881        if {$new_m eq {_}} {
1882                set lno [lsearch -sorted -exact $file_lists($w) $path]
1883                if {$lno >= 0} {
1884                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1885                        incr lno
1886                        $w conf -state normal
1887                        $w delete $lno.0 [expr {$lno + 1}].0
1888                        $w conf -state disabled
1889                }
1890        } elseif {$old_m eq {_} && $new_m ne {_}} {
1891                lappend file_lists($w) $path
1892                set file_lists($w) [lsort -unique $file_lists($w)]
1893                set lno [lsearch -sorted -exact $file_lists($w) $path]
1894                incr lno
1895                $w conf -state normal
1896                $w image create $lno.0 \
1897                        -align center -padx 5 -pady 1 \
1898                        -name $icon_name \
1899                        -image [mapicon $w $new_m $path]
1900                $w insert $lno.1 "[escape_path $path]\n"
1901                $w conf -state disabled
1902        } elseif {$old_m ne $new_m} {
1903                $w conf -state normal
1904                $w image conf $icon_name -image [mapicon $w $new_m $path]
1905                $w conf -state disabled
1906        }
1907}
1908
1909proc display_file {path state} {
1910        global file_states selected_paths
1911        global ui_index ui_workdir
1912
1913        set old_m [merge_state $path $state]
1914        set s $file_states($path)
1915        set new_m [lindex $s 0]
1916        set icon_name [lindex $s 1]
1917
1918        set o [string index $old_m 0]
1919        set n [string index $new_m 0]
1920        if {$o eq {U}} {
1921                set o _
1922        }
1923        if {$n eq {U}} {
1924                set n _
1925        }
1926        display_file_helper     $ui_index $path $icon_name $o $n
1927
1928        if {[string index $old_m 0] eq {U}} {
1929                set o U
1930        } else {
1931                set o [string index $old_m 1]
1932        }
1933        if {[string index $new_m 0] eq {U}} {
1934                set n U
1935        } else {
1936                set n [string index $new_m 1]
1937        }
1938        display_file_helper     $ui_workdir $path $icon_name $o $n
1939
1940        if {$new_m eq {__}} {
1941                unset file_states($path)
1942                catch {unset selected_paths($path)}
1943        }
1944}
1945
1946proc display_all_files_helper {w path icon_name m} {
1947        global file_lists
1948
1949        lappend file_lists($w) $path
1950        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1951        $w image create end \
1952                -align center -padx 5 -pady 1 \
1953                -name $icon_name \
1954                -image [mapicon $w $m $path]
1955        $w insert end "[escape_path $path]\n"
1956}
1957
1958set files_warning 0
1959proc display_all_files {} {
1960        global ui_index ui_workdir
1961        global file_states file_lists
1962        global last_clicked
1963        global files_warning
1964
1965        $ui_index conf -state normal
1966        $ui_workdir conf -state normal
1967
1968        $ui_index delete 0.0 end
1969        $ui_workdir delete 0.0 end
1970        set last_clicked {}
1971
1972        set file_lists($ui_index) [list]
1973        set file_lists($ui_workdir) [list]
1974
1975        set to_display [lsort [array names file_states]]
1976        set display_limit [get_config gui.maxfilesdisplayed]
1977        set displayed 0
1978        foreach path $to_display {
1979                set s $file_states($path)
1980                set m [lindex $s 0]
1981                set icon_name [lindex $s 1]
1982
1983                if {$displayed > $display_limit && [string index $m 1] eq {O} } {
1984                        if {!$files_warning} {
1985                                # do not repeatedly warn:
1986                                set files_warning 1
1987                                info_popup [mc "Display limit (gui.maxfilesdisplayed = %s) reached, not showing all %s files." \
1988                                        $display_limit [llength $to_display]]
1989                        }
1990                        continue
1991                }
1992
1993                set s [string index $m 0]
1994                if {$s ne {U} && $s ne {_}} {
1995                        display_all_files_helper $ui_index $path \
1996                                $icon_name $s
1997                }
1998
1999                if {[string index $m 0] eq {U}} {
2000                        set s U
2001                } else {
2002                        set s [string index $m 1]
2003                }
2004                if {$s ne {_}} {
2005                        display_all_files_helper $ui_workdir $path \
2006                                $icon_name $s
2007                        incr displayed
2008                }
2009        }
2010
2011        $ui_index conf -state disabled
2012        $ui_workdir conf -state disabled
2013}
2014
2015######################################################################
2016##
2017## icons
2018
2019set filemask {
2020#define mask_width 14
2021#define mask_height 15
2022static unsigned char mask_bits[] = {
2023   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2024   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2025   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2026}
2027
2028image create bitmap file_plain -background white -foreground black -data {
2029#define plain_width 14
2030#define plain_height 15
2031static unsigned char plain_bits[] = {
2032   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2033   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2034   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2035} -maskdata $filemask
2036
2037image create bitmap file_mod -background white -foreground blue -data {
2038#define mod_width 14
2039#define mod_height 15
2040static unsigned char mod_bits[] = {
2041   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2042   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2043   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2044} -maskdata $filemask
2045
2046image create bitmap file_fulltick -background white -foreground "#007000" -data {
2047#define file_fulltick_width 14
2048#define file_fulltick_height 15
2049static unsigned char file_fulltick_bits[] = {
2050   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2051   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2052   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2053} -maskdata $filemask
2054
2055image create bitmap file_question -background white -foreground black -data {
2056#define file_question_width 14
2057#define file_question_height 15
2058static unsigned char file_question_bits[] = {
2059   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2060   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2061   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2062} -maskdata $filemask
2063
2064image create bitmap file_removed -background white -foreground red -data {
2065#define file_removed_width 14
2066#define file_removed_height 15
2067static unsigned char file_removed_bits[] = {
2068   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2069   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2070   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2071} -maskdata $filemask
2072
2073image create bitmap file_merge -background white -foreground blue -data {
2074#define file_merge_width 14
2075#define file_merge_height 15
2076static unsigned char file_merge_bits[] = {
2077   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2078   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2079   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2080} -maskdata $filemask
2081
2082image create bitmap file_statechange -background white -foreground green -data {
2083#define file_statechange_width 14
2084#define file_statechange_height 15
2085static unsigned char file_statechange_bits[] = {
2086   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2087   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2088   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2089} -maskdata $filemask
2090
2091set ui_index .vpane.files.index.list
2092set ui_workdir .vpane.files.workdir.list
2093
2094set all_icons(_$ui_index)   file_plain
2095set all_icons(A$ui_index)   file_plain
2096set all_icons(M$ui_index)   file_fulltick
2097set all_icons(D$ui_index)   file_removed
2098set all_icons(U$ui_index)   file_merge
2099set all_icons(T$ui_index)   file_statechange
2100
2101set all_icons(_$ui_workdir) file_plain
2102set all_icons(M$ui_workdir) file_mod
2103set all_icons(D$ui_workdir) file_question
2104set all_icons(U$ui_workdir) file_merge
2105set all_icons(O$ui_workdir) file_plain
2106set all_icons(T$ui_workdir) file_statechange
2107
2108set max_status_desc 0
2109foreach i {
2110                {__ {mc "Unmodified"}}
2111
2112                {_M {mc "Modified, not staged"}}
2113                {M_ {mc "Staged for commit"}}
2114                {MM {mc "Portions staged for commit"}}
2115                {MD {mc "Staged for commit, missing"}}
2116
2117                {_T {mc "File type changed, not staged"}}
2118                {MT {mc "File type changed, old type staged for commit"}}
2119                {AT {mc "File type changed, old type staged for commit"}}
2120                {T_ {mc "File type changed, staged"}}
2121                {TM {mc "File type change staged, modification not staged"}}
2122                {TD {mc "File type change staged, file missing"}}
2123
2124                {_O {mc "Untracked, not staged"}}
2125                {A_ {mc "Staged for commit"}}
2126                {AM {mc "Portions staged for commit"}}
2127                {AD {mc "Staged for commit, missing"}}
2128
2129                {_D {mc "Missing"}}
2130                {D_ {mc "Staged for removal"}}
2131                {DO {mc "Staged for removal, still present"}}
2132
2133                {_U {mc "Requires merge resolution"}}
2134                {U_ {mc "Requires merge resolution"}}
2135                {UU {mc "Requires merge resolution"}}
2136                {UM {mc "Requires merge resolution"}}
2137                {UD {mc "Requires merge resolution"}}
2138                {UT {mc "Requires merge resolution"}}
2139        } {
2140        set text [eval [lindex $i 1]]
2141        if {$max_status_desc < [string length $text]} {
2142                set max_status_desc [string length $text]
2143        }
2144        set all_descs([lindex $i 0]) $text
2145}
2146unset i
2147
2148######################################################################
2149##
2150## util
2151
2152proc scrollbar2many {list mode args} {
2153        foreach w $list {eval $w $mode $args}
2154}
2155
2156proc many2scrollbar {list mode sb top bottom} {
2157        $sb set $top $bottom
2158        foreach w $list {$w $mode moveto $top}
2159}
2160
2161proc incr_font_size {font {amt 1}} {
2162        set sz [font configure $font -size]
2163        incr sz $amt
2164        font configure $font -size $sz
2165        font configure ${font}bold -size $sz
2166        font configure ${font}italic -size $sz
2167}
2168
2169######################################################################
2170##
2171## ui commands
2172
2173set starting_gitk_msg [mc "Starting gitk... please wait..."]
2174
2175proc do_gitk {revs {is_submodule false}} {
2176        global current_diff_path file_states current_diff_side ui_index
2177        global _gitdir _gitworktree
2178
2179        # -- Always start gitk through whatever we were loaded with.  This
2180        #    lets us bypass using shell process on Windows systems.
2181        #
2182        set exe [_which gitk -script]
2183        set cmd [list [info nameofexecutable] $exe]
2184        if {$exe eq {}} {
2185                error_popup [mc "Couldn't find gitk in PATH"]
2186        } else {
2187                global env
2188
2189                set pwd [pwd]
2190
2191                if {!$is_submodule} {
2192                        if {![is_bare]} {
2193                                cd $_gitworktree
2194                        }
2195                } else {
2196                        cd $current_diff_path
2197                        if {$revs eq {--}} {
2198                                set s $file_states($current_diff_path)
2199                                set old_sha1 {}
2200                                set new_sha1 {}
2201                                switch -glob -- [lindex $s 0] {
2202                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2203                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2204                                MM {
2205                                        if {$current_diff_side eq $ui_index} {
2206                                                set old_sha1 [lindex [lindex $s 2] 1]
2207                                                set new_sha1 [lindex [lindex $s 3] 1]
2208                                        } else {
2209                                                set old_sha1 [lindex [lindex $s 3] 1]
2210                                        }
2211                                }
2212                                }
2213                                set revs $old_sha1...$new_sha1
2214                        }
2215                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2216                        # we've been using for the main repository, so unset them.
2217                        # TODO we could make life easier (start up faster?) for gitk
2218                        # by setting these to the appropriate values to allow gitk
2219                        # to skip the heuristics to find their proper value
2220                        unset env(GIT_DIR)
2221                        unset env(GIT_WORK_TREE)
2222                }
2223                eval exec $cmd $revs "--" "--" &
2224
2225                set env(GIT_DIR) $_gitdir
2226                set env(GIT_WORK_TREE) $_gitworktree
2227                cd $pwd
2228
2229                ui_status $::starting_gitk_msg
2230                after 10000 {
2231                        ui_ready $starting_gitk_msg
2232                }
2233        }
2234}
2235
2236proc do_git_gui {} {
2237        global current_diff_path
2238
2239        # -- Always start git gui through whatever we were loaded with.  This
2240        #    lets us bypass using shell process on Windows systems.
2241        #
2242        set exe [list [_which git]]
2243        if {$exe eq {}} {
2244                error_popup [mc "Couldn't find git gui in PATH"]
2245        } else {
2246                global env
2247                global _gitdir _gitworktree
2248
2249                # see note in do_gitk about unsetting these vars when
2250                # running tools in a submodule
2251                unset env(GIT_DIR)
2252                unset env(GIT_WORK_TREE)
2253
2254                set pwd [pwd]
2255                cd $current_diff_path
2256
2257                eval exec $exe gui &
2258
2259                set env(GIT_DIR) $_gitdir
2260                set env(GIT_WORK_TREE) $_gitworktree
2261                cd $pwd
2262
2263                ui_status $::starting_gitk_msg
2264                after 10000 {
2265                        ui_ready $starting_gitk_msg
2266                }
2267        }
2268}
2269
2270proc do_explore {} {
2271        global _gitworktree
2272        set explorer {}
2273        if {[is_Cygwin] || [is_Windows]} {
2274                set explorer "explorer.exe"
2275        } elseif {[is_MacOSX]} {
2276                set explorer "open"
2277        } else {
2278                # freedesktop.org-conforming system is our best shot
2279                set explorer "xdg-open"
2280        }
2281        eval exec $explorer [list [file nativename $_gitworktree]] &
2282}
2283
2284set is_quitting 0
2285set ret_code    1
2286
2287proc terminate_me {win} {
2288        global ret_code
2289        if {$win ne {.}} return
2290        exit $ret_code
2291}
2292
2293proc do_quit {{rc {1}}} {
2294        global ui_comm is_quitting repo_config commit_type
2295        global GITGUI_BCK_exists GITGUI_BCK_i
2296        global ui_comm_spell
2297        global ret_code use_ttk
2298
2299        if {$is_quitting} return
2300        set is_quitting 1
2301
2302        if {[winfo exists $ui_comm]} {
2303                # -- Stash our current commit buffer.
2304                #
2305                set save [gitdir GITGUI_MSG]
2306                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2307                        file rename -force [gitdir GITGUI_BCK] $save
2308                        set GITGUI_BCK_exists 0
2309                } else {
2310                        set msg [string trim [$ui_comm get 0.0 end]]
2311                        regsub -all -line {[ \r\t]+$} $msg {} msg
2312                        if {(![string match amend* $commit_type]
2313                                || [$ui_comm edit modified])
2314                                && $msg ne {}} {
2315                                catch {
2316                                        set fd [open $save w]
2317                                        fconfigure $fd -encoding utf-8
2318                                        puts -nonewline $fd $msg
2319                                        close $fd
2320                                }
2321                        } else {
2322                                catch {file delete $save}
2323                        }
2324                }
2325
2326                # -- Cancel our spellchecker if its running.
2327                #
2328                if {[info exists ui_comm_spell]} {
2329                        $ui_comm_spell stop
2330                }
2331
2332                # -- Remove our editor backup, its not needed.
2333                #
2334                after cancel $GITGUI_BCK_i
2335                if {$GITGUI_BCK_exists} {
2336                        catch {file delete [gitdir GITGUI_BCK]}
2337                }
2338
2339                # -- Stash our current window geometry into this repository.
2340                #
2341                set cfg_wmstate [wm state .]
2342                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2343                        set rc_wmstate {}
2344                }
2345                if {$cfg_wmstate ne $rc_wmstate} {
2346                        catch {git config gui.wmstate $cfg_wmstate}
2347                }
2348                if {$cfg_wmstate eq {zoomed}} {
2349                        # on Windows wm geometry will lie about window
2350                        # position (but not size) when window is zoomed
2351                        # restore the window before querying wm geometry
2352                        wm state . normal
2353                }
2354                set cfg_geometry [list]
2355                lappend cfg_geometry [wm geometry .]
2356                if {$use_ttk} {
2357                        lappend cfg_geometry [.vpane sashpos 0]
2358                        lappend cfg_geometry [.vpane.files sashpos 0]
2359                } else {
2360                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2361                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2362                }
2363                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2364                        set rc_geometry {}
2365                }
2366                if {$cfg_geometry ne $rc_geometry} {
2367                        catch {git config gui.geometry $cfg_geometry}
2368                }
2369        }
2370
2371        set ret_code $rc
2372
2373        # Briefly enable send again, working around Tk bug
2374        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2375        tk appname [appname]
2376
2377        destroy .
2378}
2379
2380proc do_rescan {} {
2381        rescan ui_ready
2382}
2383
2384proc ui_do_rescan {} {
2385        rescan {force_first_diff ui_ready}
2386}
2387
2388proc do_commit {} {
2389        commit_tree
2390}
2391
2392proc next_diff {{after {}}} {
2393        global next_diff_p next_diff_w next_diff_i
2394        show_diff $next_diff_p $next_diff_w {} {} $after
2395}
2396
2397proc find_anchor_pos {lst name} {
2398        set lid [lsearch -sorted -exact $lst $name]
2399
2400        if {$lid == -1} {
2401                set lid 0
2402                foreach lname $lst {
2403                        if {$lname >= $name} break
2404                        incr lid
2405                }
2406        }
2407
2408        return $lid
2409}
2410
2411proc find_file_from {flist idx delta path mmask} {
2412        global file_states
2413
2414        set len [llength $flist]
2415        while {$idx >= 0 && $idx < $len} {
2416                set name [lindex $flist $idx]
2417
2418                if {$name ne $path && [info exists file_states($name)]} {
2419                        set state [lindex $file_states($name) 0]
2420
2421                        if {$mmask eq {} || [regexp $mmask $state]} {
2422                                return $idx
2423                        }
2424                }
2425
2426                incr idx $delta
2427        }
2428
2429        return {}
2430}
2431
2432proc find_next_diff {w path {lno {}} {mmask {}}} {
2433        global next_diff_p next_diff_w next_diff_i
2434        global file_lists ui_index ui_workdir
2435
2436        set flist $file_lists($w)
2437        if {$lno eq {}} {
2438                set lno [find_anchor_pos $flist $path]
2439        } else {
2440                incr lno -1
2441        }
2442
2443        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2444                if {$w eq $ui_index} {
2445                        set mmask "^$mmask"
2446                } else {
2447                        set mmask "$mmask\$"
2448                }
2449        }
2450
2451        set idx [find_file_from $flist $lno 1 $path $mmask]
2452        if {$idx eq {}} {
2453                incr lno -1
2454                set idx [find_file_from $flist $lno -1 $path $mmask]
2455        }
2456
2457        if {$idx ne {}} {
2458                set next_diff_w $w
2459                set next_diff_p [lindex $flist $idx]
2460                set next_diff_i [expr {$idx+1}]
2461                return 1
2462        } else {
2463                return 0
2464        }
2465}
2466
2467proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2468        global current_diff_path
2469
2470        if {$path ne $current_diff_path} {
2471                return {}
2472        } elseif {[find_next_diff $w $path $lno $mmask]} {
2473                return {next_diff;}
2474        } else {
2475                return {reshow_diff;}
2476        }
2477}
2478
2479proc select_first_diff {after} {
2480        global ui_workdir
2481
2482        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2483            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2484                next_diff $after
2485        } else {
2486                uplevel #0 $after
2487        }
2488}
2489
2490proc force_first_diff {after} {
2491        global ui_workdir current_diff_path file_states
2492
2493        if {[info exists file_states($current_diff_path)]} {
2494                set state [lindex $file_states($current_diff_path) 0]
2495        } else {
2496                set state {OO}
2497        }
2498
2499        set reselect 0
2500        if {[string first {U} $state] >= 0} {
2501                # Already a conflict, do nothing
2502        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2503                set reselect 1
2504        } elseif {[string index $state 1] ne {O}} {
2505                # Already a diff & no conflicts, do nothing
2506        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2507                set reselect 1
2508        }
2509
2510        if {$reselect} {
2511                next_diff $after
2512        } else {
2513                uplevel #0 $after
2514        }
2515}
2516
2517proc toggle_or_diff {mode w args} {
2518        global file_states file_lists current_diff_path ui_index ui_workdir
2519        global last_clicked selected_paths
2520
2521        if {$mode eq "click"} {
2522                foreach {x y} $args break
2523                set pos [split [$w index @$x,$y] .]
2524                foreach {lno col} $pos break
2525        } else {
2526                if {$last_clicked ne {}} {
2527                        set lno [lindex $last_clicked 1]
2528                } else {
2529                        set lno [expr {int([lindex [$w tag ranges in_diff] 0])}]
2530                }
2531                if {$mode eq "toggle"} {
2532                        set col 0; set y 2
2533                } else {
2534                        incr lno [expr {$mode eq "up" ? -1 : 1}]
2535                        set col 1
2536                }
2537        }
2538
2539        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2540        if {$path eq {}} {
2541                set last_clicked {}
2542                return
2543        }
2544
2545        set last_clicked [list $w $lno]
2546        focus $w
2547        array unset selected_paths
2548        $ui_index tag remove in_sel 0.0 end
2549        $ui_workdir tag remove in_sel 0.0 end
2550
2551        # Determine the state of the file
2552        if {[info exists file_states($path)]} {
2553                set state [lindex $file_states($path) 0]
2554        } else {
2555                set state {__}
2556        }
2557
2558        # Restage the file, or simply show the diff
2559        if {$col == 0 && $y > 1} {
2560                # Conflicts need special handling
2561                if {[string first {U} $state] >= 0} {
2562                        # $w must always be $ui_workdir, but...
2563                        if {$w ne $ui_workdir} { set lno {} }
2564                        merge_stage_workdir $path $lno
2565                        return
2566                }
2567
2568                if {[string index $state 1] eq {O}} {
2569                        set mmask {}
2570                } else {
2571                        set mmask {[^O]}
2572                }
2573
2574                set after [next_diff_after_action $w $path $lno $mmask]
2575
2576                if {$w eq $ui_index} {
2577                        update_indexinfo \
2578                                "Unstaging [short_path $path] from commit" \
2579                                [list $path] \
2580                                [concat $after [list ui_ready]]
2581                } elseif {$w eq $ui_workdir} {
2582                        update_index \
2583                                "Adding [short_path $path]" \
2584                                [list $path] \
2585                                [concat $after [list ui_ready]]
2586                }
2587        } else {
2588                set selected_paths($path) 1
2589                show_diff $path $w $lno
2590        }
2591}
2592
2593proc add_one_to_selection {w x y} {
2594        global file_lists last_clicked selected_paths
2595
2596        set lno [lindex [split [$w index @$x,$y] .] 0]
2597        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2598        if {$path eq {}} {
2599                set last_clicked {}
2600                return
2601        }
2602
2603        if {$last_clicked ne {}
2604                && [lindex $last_clicked 0] ne $w} {
2605                array unset selected_paths
2606                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2607        }
2608
2609        set last_clicked [list $w $lno]
2610        if {[catch {set in_sel $selected_paths($path)}]} {
2611                set in_sel 0
2612        }
2613        if {$in_sel} {
2614                unset selected_paths($path)
2615                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2616        } else {
2617                set selected_paths($path) 1
2618                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2619        }
2620}
2621
2622proc add_range_to_selection {w x y} {
2623        global file_lists last_clicked selected_paths
2624
2625        if {[lindex $last_clicked 0] ne $w} {
2626                toggle_or_diff click $w $x $y
2627                return
2628        }
2629
2630        set lno [lindex [split [$w index @$x,$y] .] 0]
2631        set lc [lindex $last_clicked 1]
2632        if {$lc < $lno} {
2633                set begin $lc
2634                set end $lno
2635        } else {
2636                set begin $lno
2637                set end $lc
2638        }
2639
2640        foreach path [lrange $file_lists($w) \
2641                [expr {$begin - 1}] \
2642                [expr {$end - 1}]] {
2643                set selected_paths($path) 1
2644        }
2645        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2646}
2647
2648proc show_more_context {} {
2649        global repo_config
2650        if {$repo_config(gui.diffcontext) < 99} {
2651                incr repo_config(gui.diffcontext)
2652                reshow_diff
2653        }
2654}
2655
2656proc show_less_context {} {
2657        global repo_config
2658        if {$repo_config(gui.diffcontext) > 1} {
2659                incr repo_config(gui.diffcontext) -1
2660                reshow_diff
2661        }
2662}
2663
2664######################################################################
2665##
2666## ui construction
2667
2668set ui_comm {}
2669
2670# -- Menu Bar
2671#
2672menu .mbar -tearoff 0
2673if {[is_MacOSX]} {
2674        # -- Apple Menu (Mac OS X only)
2675        #
2676        .mbar add cascade -label Apple -menu .mbar.apple
2677        menu .mbar.apple
2678}
2679.mbar add cascade -label [mc Repository] -menu .mbar.repository
2680.mbar add cascade -label [mc Edit] -menu .mbar.edit
2681if {[is_enabled branch]} {
2682        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2683}
2684if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2685        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2686}
2687if {[is_enabled transport]} {
2688        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2689        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2690}
2691if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2692        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2693}
2694
2695# -- Repository Menu
2696#
2697menu .mbar.repository
2698
2699if {![is_bare]} {
2700        .mbar.repository add command \
2701                -label [mc "Explore Working Copy"] \
2702                -command {do_explore}
2703}
2704
2705if {[is_Windows]} {
2706        .mbar.repository add command \
2707                -label [mc "Git Bash"] \
2708                -command {eval exec [auto_execok start] \
2709                                          [list "Git Bash" bash --login -l &]}
2710}
2711
2712if {[is_Windows] || ![is_bare]} {
2713        .mbar.repository add separator
2714}
2715
2716.mbar.repository add command \
2717        -label [mc "Browse Current Branch's Files"] \
2718        -command {browser::new $current_branch}
2719set ui_browse_current [.mbar.repository index last]
2720.mbar.repository add command \
2721        -label [mc "Browse Branch Files..."] \
2722        -command browser_open::dialog
2723.mbar.repository add separator
2724
2725.mbar.repository add command \
2726        -label [mc "Visualize Current Branch's History"] \
2727        -command {do_gitk $current_branch}
2728set ui_visualize_current [.mbar.repository index last]
2729.mbar.repository add command \
2730        -label [mc "Visualize All Branch History"] \
2731        -command {do_gitk --all}
2732.mbar.repository add separator
2733
2734proc current_branch_write {args} {
2735        global current_branch
2736        .mbar.repository entryconf $::ui_browse_current \
2737                -label [mc "Browse %s's Files" $current_branch]
2738        .mbar.repository entryconf $::ui_visualize_current \
2739                -label [mc "Visualize %s's History" $current_branch]
2740}
2741trace add variable current_branch write current_branch_write
2742
2743if {[is_enabled multicommit]} {
2744        .mbar.repository add command -label [mc "Database Statistics"] \
2745                -command do_stats
2746
2747        .mbar.repository add command -label [mc "Compress Database"] \
2748                -command do_gc
2749
2750        .mbar.repository add command -label [mc "Verify Database"] \
2751                -command do_fsck_objects
2752
2753        .mbar.repository add separator
2754
2755        if {[is_Cygwin]} {
2756                .mbar.repository add command \
2757                        -label [mc "Create Desktop Icon"] \
2758                        -command do_cygwin_shortcut
2759        } elseif {[is_Windows]} {
2760                .mbar.repository add command \
2761                        -label [mc "Create Desktop Icon"] \
2762                        -command do_windows_shortcut
2763        } elseif {[is_MacOSX]} {
2764                .mbar.repository add command \
2765                        -label [mc "Create Desktop Icon"] \
2766                        -command do_macosx_app
2767        }
2768}
2769
2770if {[is_MacOSX]} {
2771        proc ::tk::mac::Quit {args} { do_quit }
2772} else {
2773        .mbar.repository add command -label [mc Quit] \
2774                -command do_quit \
2775                -accelerator $M1T-Q
2776}
2777
2778# -- Edit Menu
2779#
2780menu .mbar.edit
2781.mbar.edit add command -label [mc Undo] \
2782        -command {catch {[focus] edit undo}} \
2783        -accelerator $M1T-Z
2784.mbar.edit add command -label [mc Redo] \
2785        -command {catch {[focus] edit redo}} \
2786        -accelerator $M1T-Y
2787.mbar.edit add separator
2788.mbar.edit add command -label [mc Cut] \
2789        -command {catch {tk_textCut [focus]}} \
2790        -accelerator $M1T-X
2791.mbar.edit add command -label [mc Copy] \
2792        -command {catch {tk_textCopy [focus]}} \
2793        -accelerator $M1T-C
2794.mbar.edit add command -label [mc Paste] \
2795        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2796        -accelerator $M1T-V
2797.mbar.edit add command -label [mc Delete] \
2798        -command {catch {[focus] delete sel.first sel.last}} \
2799        -accelerator Del
2800.mbar.edit add separator
2801.mbar.edit add command -label [mc "Select All"] \
2802        -command {catch {[focus] tag add sel 0.0 end}} \
2803        -accelerator $M1T-A
2804
2805# -- Branch Menu
2806#
2807if {[is_enabled branch]} {
2808        menu .mbar.branch
2809
2810        .mbar.branch add command -label [mc "Create..."] \
2811                -command branch_create::dialog \
2812                -accelerator $M1T-N
2813        lappend disable_on_lock [list .mbar.branch entryconf \
2814                [.mbar.branch index last] -state]
2815
2816        .mbar.branch add command -label [mc "Checkout..."] \
2817                -command branch_checkout::dialog \
2818                -accelerator $M1T-O
2819        lappend disable_on_lock [list .mbar.branch entryconf \
2820                [.mbar.branch index last] -state]
2821
2822        .mbar.branch add command -label [mc "Rename..."] \
2823                -command branch_rename::dialog
2824        lappend disable_on_lock [list .mbar.branch entryconf \
2825                [.mbar.branch index last] -state]
2826
2827        .mbar.branch add command -label [mc "Delete..."] \
2828                -command branch_delete::dialog
2829        lappend disable_on_lock [list .mbar.branch entryconf \
2830                [.mbar.branch index last] -state]
2831
2832        .mbar.branch add command -label [mc "Reset..."] \
2833                -command merge::reset_hard
2834        lappend disable_on_lock [list .mbar.branch entryconf \
2835                [.mbar.branch index last] -state]
2836}
2837
2838# -- Commit Menu
2839#
2840proc commit_btn_caption {} {
2841        if {[is_enabled nocommit]} {
2842                return [mc "Done"]
2843        } else {
2844                return [mc Commit@@verb]
2845        }
2846}
2847
2848if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2849        menu .mbar.commit
2850
2851        if {![is_enabled nocommit]} {
2852                .mbar.commit add radiobutton \
2853                        -label [mc "New Commit"] \
2854                        -command do_select_commit_type \
2855                        -variable selected_commit_type \
2856                        -value new
2857                lappend disable_on_lock \
2858                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2859
2860                .mbar.commit add radiobutton \
2861                        -label [mc "Amend Last Commit"] \
2862                        -command do_select_commit_type \
2863                        -variable selected_commit_type \
2864                        -value amend
2865                lappend disable_on_lock \
2866                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2867
2868                .mbar.commit add separator
2869        }
2870
2871        .mbar.commit add command -label [mc Rescan] \
2872                -command ui_do_rescan \
2873                -accelerator F5
2874        lappend disable_on_lock \
2875                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2876
2877        .mbar.commit add command -label [mc "Stage To Commit"] \
2878                -command do_add_selection \
2879                -accelerator $M1T-T
2880        lappend disable_on_lock \
2881                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2882
2883        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2884                -command do_add_all \
2885                -accelerator $M1T-I
2886        lappend disable_on_lock \
2887                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2888
2889        .mbar.commit add command -label [mc "Unstage From Commit"] \
2890                -command do_unstage_selection \
2891                -accelerator $M1T-U
2892        lappend disable_on_lock \
2893                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2894
2895        .mbar.commit add command -label [mc "Revert Changes"] \
2896                -command do_revert_selection \
2897                -accelerator $M1T-J
2898        lappend disable_on_lock \
2899                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2900
2901        .mbar.commit add separator
2902
2903        .mbar.commit add command -label [mc "Show Less Context"] \
2904                -command show_less_context \
2905                -accelerator $M1T-\-
2906
2907        .mbar.commit add command -label [mc "Show More Context"] \
2908                -command show_more_context \
2909                -accelerator $M1T-=
2910
2911        .mbar.commit add separator
2912
2913        if {![is_enabled nocommitmsg]} {
2914                .mbar.commit add command -label [mc "Sign Off"] \
2915                        -command do_signoff \
2916                        -accelerator $M1T-S
2917        }
2918
2919        .mbar.commit add command -label [commit_btn_caption] \
2920                -command do_commit \
2921                -accelerator $M1T-Return
2922        lappend disable_on_lock \
2923                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2924}
2925
2926# -- Merge Menu
2927#
2928if {[is_enabled branch]} {
2929        menu .mbar.merge
2930        .mbar.merge add command -label [mc "Local Merge..."] \
2931                -command merge::dialog \
2932                -accelerator $M1T-M
2933        lappend disable_on_lock \
2934                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2935        .mbar.merge add command -label [mc "Abort Merge..."] \
2936                -command merge::reset_hard
2937        lappend disable_on_lock \
2938                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2939}
2940
2941# -- Transport Menu
2942#
2943if {[is_enabled transport]} {
2944        menu .mbar.remote
2945
2946        .mbar.remote add command \
2947                -label [mc "Add..."] \
2948                -command remote_add::dialog \
2949                -accelerator $M1T-A
2950        .mbar.remote add command \
2951                -label [mc "Push..."] \
2952                -command do_push_anywhere \
2953                -accelerator $M1T-P
2954        .mbar.remote add command \
2955                -label [mc "Delete Branch..."] \
2956                -command remote_branch_delete::dialog
2957}
2958
2959if {[is_MacOSX]} {
2960        proc ::tk::mac::ShowPreferences {} {do_options}
2961} else {
2962        # -- Edit Menu
2963        #
2964        .mbar.edit add separator
2965        .mbar.edit add command -label [mc "Options..."] \
2966                -command do_options
2967}
2968
2969# -- Tools Menu
2970#
2971if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2972        set tools_menubar .mbar.tools
2973        menu $tools_menubar
2974        $tools_menubar add separator
2975        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2976        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2977        set tools_tailcnt 3
2978        if {[array names repo_config guitool.*.cmd] ne {}} {
2979                tools_populate_all
2980        }
2981}
2982
2983# -- Help Menu
2984#
2985.mbar add cascade -label [mc Help] -menu .mbar.help
2986menu .mbar.help
2987
2988if {[is_MacOSX]} {
2989        .mbar.apple add command -label [mc "About %s" [appname]] \
2990                -command do_about
2991        .mbar.apple add separator
2992} else {
2993        .mbar.help add command -label [mc "About %s" [appname]] \
2994                -command do_about
2995}
2996. configure -menu .mbar
2997
2998set doc_path [githtmldir]
2999if {$doc_path ne {}} {
3000        set doc_path [file join $doc_path index.html]
3001
3002        if {[is_Cygwin]} {
3003                set doc_path [exec cygpath --mixed $doc_path]
3004        }
3005}
3006
3007if {[file isfile $doc_path]} {
3008        set doc_url "file:$doc_path"
3009} else {
3010        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
3011}
3012
3013proc start_browser {url} {
3014        git "web--browse" $url
3015}
3016
3017.mbar.help add command -label [mc "Online Documentation"] \
3018        -command [list start_browser $doc_url]
3019
3020.mbar.help add command -label [mc "Show SSH Key"] \
3021        -command do_ssh_key
3022
3023unset doc_path doc_url
3024
3025# -- Standard bindings
3026#
3027wm protocol . WM_DELETE_WINDOW do_quit
3028bind all <$M1B-Key-q> do_quit
3029bind all <$M1B-Key-Q> do_quit
3030bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3031bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3032
3033set subcommand_args {}
3034proc usage {} {
3035        set s "[mc usage:] $::argv0 $::subcommand $::subcommand_args"
3036        if {[tk windowingsystem] eq "win32"} {
3037                wm withdraw .
3038                tk_messageBox -icon info -message $s \
3039                        -title [mc "Usage"]
3040        } else {
3041                puts stderr $s
3042        }
3043        exit 1
3044}
3045
3046proc normalize_relpath {path} {
3047        set elements {}
3048        foreach item [file split $path] {
3049                if {$item eq {.}} continue
3050                if {$item eq {..} && [llength $elements] > 0
3051                    && [lindex $elements end] ne {..}} {
3052                        set elements [lrange $elements 0 end-1]
3053                        continue
3054                }
3055                lappend elements $item
3056        }
3057        return [eval file join $elements]
3058}
3059
3060# -- Not a normal commit type invocation?  Do that instead!
3061#
3062switch -- $subcommand {
3063browser -
3064blame {
3065        if {$subcommand eq "blame"} {
3066                set subcommand_args {[--line=<num>] rev? path}
3067        } else {
3068                set subcommand_args {rev? path}
3069        }
3070        if {$argv eq {}} usage
3071        set head {}
3072        set path {}
3073        set jump_spec {}
3074        set is_path 0
3075        foreach a $argv {
3076                set p [file join $_prefix $a]
3077
3078                if {$is_path || [file exists $p]} {
3079                        if {$path ne {}} usage
3080                        set path [normalize_relpath $p]
3081                        break
3082                } elseif {$a eq {--}} {
3083                        if {$path ne {}} {
3084                                if {$head ne {}} usage
3085                                set head $path
3086                                set path {}
3087                        }
3088                        set is_path 1
3089                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3090                        if {$jump_spec ne {} || $head ne {}} usage
3091                        set jump_spec [list $lnum]
3092                } elseif {$head eq {}} {
3093                        if {$head ne {}} usage
3094                        set head $a
3095                        set is_path 1
3096                } else {
3097                        usage
3098                }
3099        }
3100        unset is_path
3101
3102        if {$head ne {} && $path eq {}} {
3103                if {[string index $head 0] eq {/}} {
3104                        set path [normalize_relpath $head]
3105                        set head {}
3106                } else {
3107                        set path [normalize_relpath $_prefix$head]
3108                        set head {}
3109                }
3110        }
3111
3112        if {$head eq {}} {
3113                load_current_branch
3114        } else {
3115                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3116                        if {[catch {
3117                                        set head [git rev-parse --verify $head]
3118                                } err]} {
3119                                if {[tk windowingsystem] eq "win32"} {
3120                                        tk_messageBox -icon error -title [mc Error] -message $err
3121                                } else {
3122                                        puts stderr $err
3123                                }
3124                                exit 1
3125                        }
3126                }
3127                set current_branch $head
3128        }
3129
3130        wm deiconify .
3131        switch -- $subcommand {
3132        browser {
3133                if {$jump_spec ne {}} usage
3134                if {$head eq {}} {
3135                        if {$path ne {} && [file isdirectory $path]} {
3136                                set head $current_branch
3137                        } else {
3138                                set head $path
3139                                set path {}
3140                        }
3141                }
3142                browser::new $head $path
3143        }
3144        blame   {
3145                if {$head eq {} && ![file exists $path]} {
3146                        catch {wm withdraw .}
3147                        tk_messageBox \
3148                                -icon error \
3149                                -type ok \
3150                                -title [mc "git-gui: fatal error"] \
3151                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3152                        exit 1
3153                }
3154                blame::new $head $path $jump_spec
3155        }
3156        }
3157        return
3158}
3159citool -
3160gui {
3161        if {[llength $argv] != 0} {
3162                usage
3163        }
3164        # fall through to setup UI for commits
3165}
3166default {
3167        set err "[mc usage:] $argv0 \[{blame|browser|citool}\]"
3168        if {[tk windowingsystem] eq "win32"} {
3169                wm withdraw .
3170                tk_messageBox -icon error -message $err \
3171                        -title [mc "Usage"]
3172        } else {
3173                puts stderr $err
3174        }
3175        exit 1
3176}
3177}
3178
3179# -- Branch Control
3180#
3181${NS}::frame .branch
3182if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3183${NS}::label .branch.l1 \
3184        -text [mc "Current Branch:"] \
3185        -anchor w \
3186        -justify left
3187${NS}::label .branch.cb \
3188        -textvariable current_branch \
3189        -anchor w \
3190        -justify left
3191pack .branch.l1 -side left
3192pack .branch.cb -side left -fill x
3193pack .branch -side top -fill x
3194
3195# -- Main Window Layout
3196#
3197${NS}::panedwindow .vpane -orient horizontal
3198${NS}::panedwindow .vpane.files -orient vertical
3199if {$use_ttk} {
3200        .vpane add .vpane.files
3201} else {
3202        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3203}
3204pack .vpane -anchor n -side top -fill both -expand 1
3205
3206# -- Working Directory File List
3207
3208textframe .vpane.files.workdir -height 100 -width 200
3209tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3210        -background lightsalmon -foreground black
3211ttext $ui_workdir -background white -foreground black \
3212        -borderwidth 0 \
3213        -width 20 -height 10 \
3214        -wrap none \
3215        -takefocus 1 -highlightthickness 1\
3216        -cursor $cursor_ptr \
3217        -xscrollcommand {.vpane.files.workdir.sx set} \
3218        -yscrollcommand {.vpane.files.workdir.sy set} \
3219        -state disabled
3220${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3221${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3222pack .vpane.files.workdir.title -side top -fill x
3223pack .vpane.files.workdir.sx -side bottom -fill x
3224pack .vpane.files.workdir.sy -side right -fill y
3225pack $ui_workdir -side left -fill both -expand 1
3226
3227# -- Index File List
3228#
3229textframe .vpane.files.index -height 100 -width 200
3230tlabel .vpane.files.index.title \
3231        -text [mc "Staged Changes (Will Commit)"] \
3232        -background lightgreen -foreground black
3233ttext $ui_index -background white -foreground black \
3234        -borderwidth 0 \
3235        -width 20 -height 10 \
3236        -wrap none \
3237        -takefocus 1 -highlightthickness 1\
3238        -cursor $cursor_ptr \
3239        -xscrollcommand {.vpane.files.index.sx set} \
3240        -yscrollcommand {.vpane.files.index.sy set} \
3241        -state disabled
3242${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3243${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3244pack .vpane.files.index.title -side top -fill x
3245pack .vpane.files.index.sx -side bottom -fill x
3246pack .vpane.files.index.sy -side right -fill y
3247pack $ui_index -side left -fill both -expand 1
3248
3249# -- Insert the workdir and index into the panes
3250#
3251.vpane.files add .vpane.files.workdir
3252.vpane.files add .vpane.files.index
3253if {!$use_ttk} {
3254        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3255        .vpane.files paneconfigure .vpane.files.index -sticky news
3256}
3257
3258foreach i [list $ui_index $ui_workdir] {
3259        rmsel_tag $i
3260        $i tag conf in_diff -background [$i tag cget in_sel -background]
3261}
3262unset i
3263
3264# -- Diff and Commit Area
3265#
3266if {$have_tk85} {
3267        ${NS}::panedwindow .vpane.lower -orient vertical
3268        ${NS}::frame .vpane.lower.commarea
3269        ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3270        .vpane.lower add .vpane.lower.diff
3271        .vpane.lower add .vpane.lower.commarea
3272        .vpane add .vpane.lower
3273        if {$use_ttk} {
3274                .vpane.lower pane .vpane.lower.diff -weight 1
3275                .vpane.lower pane .vpane.lower.commarea -weight 0
3276        } else {
3277                .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3278                .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3279        }
3280} else {
3281        frame .vpane.lower -height 300 -width 400
3282        frame .vpane.lower.commarea
3283        frame .vpane.lower.diff -relief sunken -borderwidth 1
3284        pack .vpane.lower.diff -fill both -expand 1
3285        pack .vpane.lower.commarea -side bottom -fill x
3286        .vpane add .vpane.lower
3287        .vpane paneconfigure .vpane.lower -sticky nsew
3288}
3289
3290# -- Commit Area Buttons
3291#
3292${NS}::frame .vpane.lower.commarea.buttons
3293${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3294        -anchor w \
3295        -justify left
3296pack .vpane.lower.commarea.buttons.l -side top -fill x
3297pack .vpane.lower.commarea.buttons -side left -fill y
3298
3299${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3300        -command ui_do_rescan
3301pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3302lappend disable_on_lock \
3303        {.vpane.lower.commarea.buttons.rescan conf -state}
3304
3305${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3306        -command do_add_all
3307pack .vpane.lower.commarea.buttons.incall -side top -fill x
3308lappend disable_on_lock \
3309        {.vpane.lower.commarea.buttons.incall conf -state}
3310
3311if {![is_enabled nocommitmsg]} {
3312        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3313                -command do_signoff
3314        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3315}
3316
3317${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3318        -command do_commit
3319pack .vpane.lower.commarea.buttons.commit -side top -fill x
3320lappend disable_on_lock \
3321        {.vpane.lower.commarea.buttons.commit conf -state}
3322
3323if {![is_enabled nocommit]} {
3324        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3325                -command do_push_anywhere
3326        pack .vpane.lower.commarea.buttons.push -side top -fill x
3327}
3328
3329# -- Commit Message Buffer
3330#
3331${NS}::frame .vpane.lower.commarea.buffer
3332${NS}::frame .vpane.lower.commarea.buffer.header
3333set ui_comm .vpane.lower.commarea.buffer.frame.t
3334set ui_coml .vpane.lower.commarea.buffer.header.l
3335
3336if {![is_enabled nocommit]} {
3337        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3338                -text [mc "New Commit"] \
3339                -command do_select_commit_type \
3340                -variable selected_commit_type \
3341                -value new
3342        lappend disable_on_lock \
3343                [list .vpane.lower.commarea.buffer.header.new conf -state]
3344        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3345                -text [mc "Amend Last Commit"] \
3346                -command do_select_commit_type \
3347                -variable selected_commit_type \
3348                -value amend
3349        lappend disable_on_lock \
3350                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3351}
3352
3353${NS}::label $ui_coml \
3354        -anchor w \
3355        -justify left
3356proc trace_commit_type {varname args} {
3357        global ui_coml commit_type
3358        switch -glob -- $commit_type {
3359        initial       {set txt [mc "Initial Commit Message:"]}
3360        amend         {set txt [mc "Amended Commit Message:"]}
3361        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3362        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3363        merge         {set txt [mc "Merge Commit Message:"]}
3364        *             {set txt [mc "Commit Message:"]}
3365        }
3366        $ui_coml conf -text $txt
3367}
3368trace add variable commit_type write trace_commit_type
3369pack $ui_coml -side left -fill x
3370
3371if {![is_enabled nocommit]} {
3372        pack .vpane.lower.commarea.buffer.header.amend -side right
3373        pack .vpane.lower.commarea.buffer.header.new -side right
3374}
3375
3376textframe .vpane.lower.commarea.buffer.frame
3377ttext $ui_comm -background white -foreground black \
3378        -borderwidth 1 \
3379        -undo true \
3380        -maxundo 20 \
3381        -autoseparators true \
3382        -takefocus 1 \
3383        -highlightthickness 1 \
3384        -relief sunken \
3385        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3386        -font font_diff \
3387        -yscrollcommand {.vpane.lower.commarea.buffer.frame.sby set}
3388${NS}::scrollbar .vpane.lower.commarea.buffer.frame.sby \
3389        -command [list $ui_comm yview]
3390
3391pack .vpane.lower.commarea.buffer.frame.sby -side right -fill y
3392pack $ui_comm -side left -fill y
3393pack .vpane.lower.commarea.buffer.header -side top -fill x
3394pack .vpane.lower.commarea.buffer.frame -side left -fill y
3395pack .vpane.lower.commarea.buffer -side left -fill y
3396
3397# -- Commit Message Buffer Context Menu
3398#
3399set ctxm .vpane.lower.commarea.buffer.ctxm
3400menu $ctxm -tearoff 0
3401$ctxm add command \
3402        -label [mc Cut] \
3403        -command {tk_textCut $ui_comm}
3404$ctxm add command \
3405        -label [mc Copy] \
3406        -command {tk_textCopy $ui_comm}
3407$ctxm add command \
3408        -label [mc Paste] \
3409        -command {tk_textPaste $ui_comm}
3410$ctxm add command \
3411        -label [mc Delete] \
3412        -command {catch {$ui_comm delete sel.first sel.last}}
3413$ctxm add separator
3414$ctxm add command \
3415        -label [mc "Select All"] \
3416        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3417$ctxm add command \
3418        -label [mc "Copy All"] \
3419        -command {
3420                $ui_comm tag add sel 0.0 end
3421                tk_textCopy $ui_comm
3422                $ui_comm tag remove sel 0.0 end
3423        }
3424$ctxm add separator
3425$ctxm add command \
3426        -label [mc "Sign Off"] \
3427        -command do_signoff
3428set ui_comm_ctxm $ctxm
3429
3430# -- Diff Header
3431#
3432proc trace_current_diff_path {varname args} {
3433        global current_diff_path diff_actions file_states
3434        if {$current_diff_path eq {}} {
3435                set s {}
3436                set f {}
3437                set p {}
3438                set o disabled
3439        } else {
3440                set p $current_diff_path
3441                set s [mapdesc [lindex $file_states($p) 0] $p]
3442                set f [mc "File:"]
3443                set p [escape_path $p]
3444                set o normal
3445        }
3446
3447        .vpane.lower.diff.header.status configure -text $s
3448        .vpane.lower.diff.header.file configure -text $f
3449        .vpane.lower.diff.header.path configure -text $p
3450        foreach w $diff_actions {
3451                uplevel #0 $w $o
3452        }
3453}
3454trace add variable current_diff_path write trace_current_diff_path
3455
3456gold_frame .vpane.lower.diff.header
3457tlabel .vpane.lower.diff.header.status \
3458        -background gold \
3459        -foreground black \
3460        -width $max_status_desc \
3461        -anchor w \
3462        -justify left
3463tlabel .vpane.lower.diff.header.file \
3464        -background gold \
3465        -foreground black \
3466        -anchor w \
3467        -justify left
3468tlabel .vpane.lower.diff.header.path \
3469        -background gold \
3470        -foreground black \
3471        -anchor w \
3472        -justify left
3473pack .vpane.lower.diff.header.status -side left
3474pack .vpane.lower.diff.header.file -side left
3475pack .vpane.lower.diff.header.path -fill x
3476set ctxm .vpane.lower.diff.header.ctxm
3477menu $ctxm -tearoff 0
3478$ctxm add command \
3479        -label [mc Copy] \
3480        -command {
3481                clipboard clear
3482                clipboard append \
3483                        -format STRING \
3484                        -type STRING \
3485                        -- $current_diff_path
3486        }
3487lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3488bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3489
3490# -- Diff Body
3491#
3492textframe .vpane.lower.diff.body
3493set ui_diff .vpane.lower.diff.body.t
3494ttext $ui_diff -background white -foreground black \
3495        -borderwidth 0 \
3496        -width 80 -height 5 -wrap none \
3497        -font font_diff \
3498        -takefocus 1 -highlightthickness 1 \
3499        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3500        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3501        -state disabled
3502catch {$ui_diff configure -tabstyle wordprocessor}
3503${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3504        -command [list $ui_diff xview]
3505${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3506        -command [list $ui_diff yview]
3507pack .vpane.lower.diff.body.sbx -side bottom -fill x
3508pack .vpane.lower.diff.body.sby -side right -fill y
3509pack $ui_diff -side left -fill both -expand 1
3510pack .vpane.lower.diff.header -side top -fill x
3511pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3512
3513foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3514        $ui_diff tag configure clr4$n -background $c
3515        $ui_diff tag configure clri4$n -foreground $c
3516        $ui_diff tag configure clr3$n -foreground $c
3517        $ui_diff tag configure clri3$n -background $c
3518}
3519$ui_diff tag configure clr1 -font font_diffbold
3520$ui_diff tag configure clr4 -underline 1
3521
3522$ui_diff tag conf d_info -foreground blue -font font_diffbold
3523
3524$ui_diff tag conf d_cr -elide true
3525$ui_diff tag conf d_@ -font font_diffbold
3526$ui_diff tag conf d_+ -foreground {#00a000}
3527$ui_diff tag conf d_- -foreground red
3528
3529$ui_diff tag conf d_++ -foreground {#00a000}
3530$ui_diff tag conf d_-- -foreground red
3531$ui_diff tag conf d_+s \
3532        -foreground {#00a000} \
3533        -background {#e2effa}
3534$ui_diff tag conf d_-s \
3535        -foreground red \
3536        -background {#e2effa}
3537$ui_diff tag conf d_s+ \
3538        -foreground {#00a000} \
3539        -background ivory1
3540$ui_diff tag conf d_s- \
3541        -foreground red \
3542        -background ivory1
3543
3544$ui_diff tag conf d< \
3545        -foreground orange \
3546        -font font_diffbold
3547$ui_diff tag conf d= \
3548        -foreground orange \
3549        -font font_diffbold
3550$ui_diff tag conf d> \
3551        -foreground orange \
3552        -font font_diffbold
3553
3554$ui_diff tag raise sel
3555
3556# -- Diff Body Context Menu
3557#
3558
3559proc create_common_diff_popup {ctxm} {
3560        $ctxm add command \
3561                -label [mc Refresh] \
3562                -command reshow_diff
3563        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3564        $ctxm add command \
3565                -label [mc Copy] \
3566                -command {tk_textCopy $ui_diff}
3567        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3568        $ctxm add command \
3569                -label [mc "Select All"] \
3570                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3571        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3572        $ctxm add command \
3573                -label [mc "Copy All"] \
3574                -command {
3575                        $ui_diff tag add sel 0.0 end
3576                        tk_textCopy $ui_diff
3577                        $ui_diff tag remove sel 0.0 end
3578                }
3579        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3580        $ctxm add separator
3581        $ctxm add command \
3582                -label [mc "Decrease Font Size"] \
3583                -command {incr_font_size font_diff -1}
3584        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3585        $ctxm add command \
3586                -label [mc "Increase Font Size"] \
3587                -command {incr_font_size font_diff 1}
3588        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3589        $ctxm add separator
3590        set emenu $ctxm.enc
3591        menu $emenu
3592        build_encoding_menu $emenu [list force_diff_encoding]
3593        $ctxm add cascade \
3594                -label [mc "Encoding"] \
3595                -menu $emenu
3596        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3597        $ctxm add separator
3598        $ctxm add command -label [mc "Options..."] \
3599                -command do_options
3600}
3601
3602set ctxm .vpane.lower.diff.body.ctxm
3603menu $ctxm -tearoff 0
3604$ctxm add command \
3605        -label [mc "Apply/Reverse Hunk"] \
3606        -command {apply_hunk $cursorX $cursorY}
3607set ui_diff_applyhunk [$ctxm index last]
3608lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3609$ctxm add command \
3610        -label [mc "Apply/Reverse Line"] \
3611        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3612set ui_diff_applyline [$ctxm index last]
3613lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3614$ctxm add separator
3615$ctxm add command \
3616        -label [mc "Show Less Context"] \
3617        -command show_less_context
3618lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3619$ctxm add command \
3620        -label [mc "Show More Context"] \
3621        -command show_more_context
3622lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3623$ctxm add separator
3624create_common_diff_popup $ctxm
3625
3626set ctxmmg .vpane.lower.diff.body.ctxmmg
3627menu $ctxmmg -tearoff 0
3628$ctxmmg add command \
3629        -label [mc "Run Merge Tool"] \
3630        -command {merge_resolve_tool}
3631lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3632$ctxmmg add separator
3633$ctxmmg add command \
3634        -label [mc "Use Remote Version"] \
3635        -command {merge_resolve_one 3}
3636lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3637$ctxmmg add command \
3638        -label [mc "Use Local Version"] \
3639        -command {merge_resolve_one 2}
3640lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3641$ctxmmg add command \
3642        -label [mc "Revert To Base"] \
3643        -command {merge_resolve_one 1}
3644lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3645$ctxmmg add separator
3646$ctxmmg add command \
3647        -label [mc "Show Less Context"] \
3648        -command show_less_context
3649lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3650$ctxmmg add command \
3651        -label [mc "Show More Context"] \
3652        -command show_more_context
3653lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3654$ctxmmg add separator
3655create_common_diff_popup $ctxmmg
3656
3657set ctxmsm .vpane.lower.diff.body.ctxmsm
3658menu $ctxmsm -tearoff 0
3659$ctxmsm add command \
3660        -label [mc "Visualize These Changes In The Submodule"] \
3661        -command {do_gitk -- true}
3662lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3663$ctxmsm add command \
3664        -label [mc "Visualize Current Branch History In The Submodule"] \
3665        -command {do_gitk {} true}
3666lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3667$ctxmsm add command \
3668        -label [mc "Visualize All Branch History In The Submodule"] \
3669        -command {do_gitk --all true}
3670lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3671$ctxmsm add separator
3672$ctxmsm add command \
3673        -label [mc "Start git gui In The Submodule"] \
3674        -command {do_git_gui}
3675lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3676$ctxmsm add separator
3677create_common_diff_popup $ctxmsm
3678
3679proc has_textconv {path} {
3680        if {[is_config_false gui.textconv]} {
3681                return 0
3682        }
3683        set filter [gitattr $path diff set]
3684        set textconv [get_config [join [list diff $filter textconv] .]]
3685        if {$filter ne {set} && $textconv ne {}} {
3686                return 1
3687        } else {
3688                return 0
3689        }
3690}
3691
3692proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3693        global current_diff_path file_states
3694        set ::cursorX $x
3695        set ::cursorY $y
3696        if {[info exists file_states($current_diff_path)]} {
3697                set state [lindex $file_states($current_diff_path) 0]
3698        } else {
3699                set state {__}
3700        }
3701        if {[string first {U} $state] >= 0} {
3702                tk_popup $ctxmmg $X $Y
3703        } elseif {$::is_submodule_diff} {
3704                tk_popup $ctxmsm $X $Y
3705        } else {
3706                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3707                if {$::ui_index eq $::current_diff_side} {
3708                        set l [mc "Unstage Hunk From Commit"]
3709                        if {$has_range} {
3710                                set t [mc "Unstage Lines From Commit"]
3711                        } else {
3712                                set t [mc "Unstage Line From Commit"]
3713                        }
3714                } else {
3715                        set l [mc "Stage Hunk For Commit"]
3716                        if {$has_range} {
3717                                set t [mc "Stage Lines For Commit"]
3718                        } else {
3719                                set t [mc "Stage Line For Commit"]
3720                        }
3721                }
3722                if {$::is_3way_diff
3723                        || $current_diff_path eq {}
3724                        || {__} eq $state
3725                        || {_O} eq $state
3726                        || [string match {?T} $state]
3727                        || [string match {T?} $state]
3728                        || [has_textconv $current_diff_path]} {
3729                        set s disabled
3730                } else {
3731                        set s normal
3732                }
3733                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3734                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3735                tk_popup $ctxm $X $Y
3736        }
3737}
3738bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3739
3740# -- Status Bar
3741#
3742set main_status [::status_bar::new .status]
3743pack .status -anchor w -side bottom -fill x
3744$main_status show [mc "Initializing..."]
3745
3746# -- Load geometry
3747#
3748proc on_ttk_pane_mapped {w pane pos} {
3749        bind $w <Map> {}
3750        after 0 [list after idle [list $w sashpos $pane $pos]]
3751}
3752proc on_tk_pane_mapped {w pane x y} {
3753        bind $w <Map> {}
3754        after 0 [list after idle [list $w sash place $pane $x $y]]
3755}
3756proc on_application_mapped {} {
3757        global repo_config use_ttk
3758        bind . <Map> {}
3759        set gm $repo_config(gui.geometry)
3760        if {$use_ttk} {
3761                bind .vpane <Map> \
3762                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3763                bind .vpane.files <Map> \
3764                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3765        } else {
3766                bind .vpane <Map> \
3767                    [list on_tk_pane_mapped %W 0 \
3768                         [lindex $gm 1] \
3769                         [lindex [.vpane sash coord 0] 1]]
3770                bind .vpane.files <Map> \
3771                    [list on_tk_pane_mapped %W 0 \
3772                         [lindex [.vpane.files sash coord 0] 0] \
3773                         [lindex $gm 2]]
3774        }
3775        wm geometry . [lindex $gm 0]
3776}
3777if {[info exists repo_config(gui.geometry)]} {
3778        bind . <Map> [list on_application_mapped]
3779        wm geometry . [lindex $repo_config(gui.geometry) 0]
3780}
3781
3782# -- Load window state
3783#
3784if {[info exists repo_config(gui.wmstate)]} {
3785        catch {wm state . $repo_config(gui.wmstate)}
3786}
3787
3788# -- Key Bindings
3789#
3790bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3791bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3792bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3793bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3794bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3795bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3796bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3797bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3798bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3799bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3800bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3801bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3802bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3803bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3804bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3805bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3806bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3807bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3808bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3809bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3810bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3811bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3812
3813bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3814bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3815bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3816bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3817bind $ui_diff <$M1B-Key-v> {break}
3818bind $ui_diff <$M1B-Key-V> {break}
3819bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3820bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3821bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3822bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3823bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3824bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3825bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3826bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3827bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3828bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3829bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3830bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3831bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3832bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3833bind $ui_diff <Button-1>   {focus %W}
3834
3835if {[is_enabled branch]} {
3836        bind . <$M1B-Key-n> branch_create::dialog
3837        bind . <$M1B-Key-N> branch_create::dialog
3838        bind . <$M1B-Key-o> branch_checkout::dialog
3839        bind . <$M1B-Key-O> branch_checkout::dialog
3840        bind . <$M1B-Key-m> merge::dialog
3841        bind . <$M1B-Key-M> merge::dialog
3842}
3843if {[is_enabled transport]} {
3844        bind . <$M1B-Key-p> do_push_anywhere
3845        bind . <$M1B-Key-P> do_push_anywhere
3846}
3847
3848bind .   <Key-F5>     ui_do_rescan
3849bind .   <$M1B-Key-r> ui_do_rescan
3850bind .   <$M1B-Key-R> ui_do_rescan
3851bind .   <$M1B-Key-s> do_signoff
3852bind .   <$M1B-Key-S> do_signoff
3853bind .   <$M1B-Key-t> { toggle_or_diff toggle %W }
3854bind .   <$M1B-Key-T> { toggle_or_diff toggle %W }
3855bind .   <$M1B-Key-u> { toggle_or_diff toggle %W }
3856bind .   <$M1B-Key-U> { toggle_or_diff toggle %W }
3857bind .   <$M1B-Key-j> do_revert_selection
3858bind .   <$M1B-Key-J> do_revert_selection
3859bind .   <$M1B-Key-i> do_add_all
3860bind .   <$M1B-Key-I> do_add_all
3861bind .   <$M1B-Key-minus> {show_less_context;break}
3862bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3863bind .   <$M1B-Key-equal> {show_more_context;break}
3864bind .   <$M1B-Key-plus> {show_more_context;break}
3865bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3866bind .   <$M1B-Key-Return> do_commit
3867foreach i [list $ui_index $ui_workdir] {
3868        bind $i <Button-1>       { toggle_or_diff click %W %x %y; break }
3869        bind $i <$M1B-Button-1>  { add_one_to_selection %W %x %y; break }
3870        bind $i <Shift-Button-1> { add_range_to_selection %W %x %y; break }
3871        bind $i <Key-Up>         { toggle_or_diff up %W; break }
3872        bind $i <Key-Down>       { toggle_or_diff down %W; break }
3873}
3874unset i
3875
3876set file_lists($ui_index) [list]
3877set file_lists($ui_workdir) [list]
3878
3879wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3880focus -force $ui_comm
3881
3882# -- Warn the user about environmental problems.  Cygwin's Tcl
3883#    does *not* pass its env array onto any processes it spawns.
3884#    This means that git processes get none of our environment.
3885#
3886if {[is_Cygwin]} {
3887        set ignored_env 0
3888        set suggest_user {}
3889        set msg [mc "Possible environment issues exist.
3890
3891The following environment variables are probably
3892going to be ignored by any Git subprocess run
3893by %s:
3894
3895" [appname]]
3896        foreach name [array names env] {
3897                switch -regexp -- $name {
3898                {^GIT_INDEX_FILE$} -
3899                {^GIT_OBJECT_DIRECTORY$} -
3900                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3901                {^GIT_DIFF_OPTS$} -
3902                {^GIT_EXTERNAL_DIFF$} -
3903                {^GIT_PAGER$} -
3904                {^GIT_TRACE$} -
3905                {^GIT_CONFIG$} -
3906                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3907                        append msg " - $name\n"
3908                        incr ignored_env
3909                }
3910                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3911                        append msg " - $name\n"
3912                        incr ignored_env
3913                        set suggest_user $name
3914                }
3915                }
3916        }
3917        if {$ignored_env > 0} {
3918                append msg [mc "
3919This is due to a known issue with the
3920Tcl binary distributed by Cygwin."]
3921
3922                if {$suggest_user ne {}} {
3923                        append msg [mc "
3924
3925A good replacement for %s
3926is placing values for the user.name and
3927user.email settings into your personal
3928~/.gitconfig file.
3929" $suggest_user]
3930                }
3931                warn_popup $msg
3932        }
3933        unset ignored_env msg suggest_user name
3934}
3935
3936# -- Only initialize complex UI if we are going to stay running.
3937#
3938if {[is_enabled transport]} {
3939        load_all_remotes
3940
3941        set n [.mbar.remote index end]
3942        populate_remotes_menu
3943        set n [expr {[.mbar.remote index end] - $n}]
3944        if {$n > 0} {
3945                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3946                .mbar.remote insert $n separator
3947        }
3948        unset n
3949}
3950
3951if {[winfo exists $ui_comm]} {
3952        set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3953
3954        # -- If both our backup and message files exist use the
3955        #    newer of the two files to initialize the buffer.
3956        #
3957        if {$GITGUI_BCK_exists} {
3958                set m [gitdir GITGUI_MSG]
3959                if {[file isfile $m]} {
3960                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3961                                catch {file delete [gitdir GITGUI_MSG]}
3962                        } else {
3963                                $ui_comm delete 0.0 end
3964                                $ui_comm edit reset
3965                                $ui_comm edit modified false
3966                                catch {file delete [gitdir GITGUI_BCK]}
3967                                set GITGUI_BCK_exists 0
3968                        }
3969                }
3970                unset m
3971        }
3972
3973        proc backup_commit_buffer {} {
3974                global ui_comm GITGUI_BCK_exists
3975
3976                set m [$ui_comm edit modified]
3977                if {$m || $GITGUI_BCK_exists} {
3978                        set msg [string trim [$ui_comm get 0.0 end]]
3979                        regsub -all -line {[ \r\t]+$} $msg {} msg
3980
3981                        if {$msg eq {}} {
3982                                if {$GITGUI_BCK_exists} {
3983                                        catch {file delete [gitdir GITGUI_BCK]}
3984                                        set GITGUI_BCK_exists 0
3985                                }
3986                        } elseif {$m} {
3987                                catch {
3988                                        set fd [open [gitdir GITGUI_BCK] w]
3989                                        fconfigure $fd -encoding utf-8
3990                                        puts -nonewline $fd $msg
3991                                        close $fd
3992                                        set GITGUI_BCK_exists 1
3993                                }
3994                        }
3995
3996                        $ui_comm edit modified false
3997                }
3998
3999                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
4000        }
4001
4002        backup_commit_buffer
4003
4004        # -- If the user has aspell available we can drive it
4005        #    in pipe mode to spellcheck the commit message.
4006        #
4007        set spell_cmd [list |]
4008        set spell_dict [get_config gui.spellingdictionary]
4009        lappend spell_cmd aspell
4010        if {$spell_dict ne {}} {
4011                lappend spell_cmd --master=$spell_dict
4012        }
4013        lappend spell_cmd --mode=none
4014        lappend spell_cmd --encoding=utf-8
4015        lappend spell_cmd pipe
4016        if {$spell_dict eq {none}
4017         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
4018                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
4019        } else {
4020                set ui_comm_spell [spellcheck::init \
4021                        $spell_fd \
4022                        $ui_comm \
4023                        $ui_comm_ctxm \
4024                ]
4025        }
4026        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
4027}
4028
4029lock_index begin-read
4030if {![winfo ismapped .]} {
4031        wm deiconify .
4032}
4033after 1 {
4034        if {[is_enabled initialamend]} {
4035                force_amend
4036        } else {
4037                do_rescan
4038        }
4039
4040        if {[is_enabled nocommitmsg]} {
4041                $ui_comm configure -state disabled -background gray
4042        }
4043}
4044if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
4045        after 1000 hint_gc
4046}
4047if {[is_enabled retcode]} {
4048        bind . <Destroy> {+terminate_me %W}
4049}
4050if {$picked && [is_config_true gui.autoexplore]} {
4051        do_explore
4052}
4053
4054# Local variables:
4055# mode: tcl
4056# indent-tabs-mode: t
4057# tab-width: 4
4058# End: