Andrew's git / gitweb.git / git-gui.sh
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git-gui.shon commit git-gui: Use Henrik Nyh's git logo icon on Windows systems (1bdd8a1)
   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 {
  14Copyright © 2006, 2007 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 [mc "git-gui: fatal error"] \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52set oguilib {@@GITGUI_LIBDIR@@}
  53set oguirel {@@GITGUI_RELATIVE@@}
  54if {$oguirel eq {1}} {
  55        set oguilib [file dirname [file dirname [file normalize $argv0]]]
  56        set oguilib [file join $oguilib share git-gui lib]
  57        set oguimsg [file join $oguilib msgs]
  58} elseif {[string match @@* $oguirel]} {
  59        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  60        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  61} else {
  62        set oguimsg [file join $oguilib msgs]
  63}
  64unset oguirel
  65
  66######################################################################
  67##
  68## enable verbose loading?
  69
  70if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  71        unset _verbose
  72        rename auto_load real__auto_load
  73        proc auto_load {name args} {
  74                puts stderr "auto_load $name"
  75                return [uplevel 1 real__auto_load $name $args]
  76        }
  77        rename source real__source
  78        proc source {name} {
  79                puts stderr "source    $name"
  80                uplevel 1 real__source $name
  81        }
  82}
  83
  84######################################################################
  85##
  86## Internationalization (i18n) through msgcat and gettext. See
  87## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  88
  89package require msgcat
  90
  91proc mc {fmt args} {
  92        set fmt [::msgcat::mc $fmt]
  93        set cmk [string first @@ $fmt]
  94        if {$cmk > 0} {
  95                set fmt [string range $fmt 0 [expr {$cmk - 1}]]
  96        }
  97        return [eval [list format $fmt] $args]
  98}
  99
 100proc strcat {args} {
 101        return [join $args {}]
 102}
 103
 104::msgcat::mcload $oguimsg
 105unset oguimsg
 106
 107######################################################################
 108##
 109## read only globals
 110
 111set _appname [lindex [file split $argv0] end]
 112set _gitdir {}
 113set _gitexec {}
 114set _reponame {}
 115set _iscygwin {}
 116set _search_path {}
 117
 118proc appname {} {
 119        global _appname
 120        return $_appname
 121}
 122
 123proc gitdir {args} {
 124        global _gitdir
 125        if {$args eq {}} {
 126                return $_gitdir
 127        }
 128        return [eval [list file join $_gitdir] $args]
 129}
 130
 131proc gitexec {args} {
 132        global _gitexec
 133        if {$_gitexec eq {}} {
 134                if {[catch {set _gitexec [git --exec-path]} err]} {
 135                        error "Git not installed?\n\n$err"
 136                }
 137                if {[is_Cygwin]} {
 138                        set _gitexec [exec cygpath \
 139                                --windows \
 140                                --absolute \
 141                                $_gitexec]
 142                } else {
 143                        set _gitexec [file normalize $_gitexec]
 144                }
 145        }
 146        if {$args eq {}} {
 147                return $_gitexec
 148        }
 149        return [eval [list file join $_gitexec] $args]
 150}
 151
 152proc reponame {} {
 153        return $::_reponame
 154}
 155
 156proc is_MacOSX {} {
 157        if {[tk windowingsystem] eq {aqua}} {
 158                return 1
 159        }
 160        return 0
 161}
 162
 163proc is_Windows {} {
 164        if {$::tcl_platform(platform) eq {windows}} {
 165                return 1
 166        }
 167        return 0
 168}
 169
 170proc is_Cygwin {} {
 171        global _iscygwin
 172        if {$_iscygwin eq {}} {
 173                if {$::tcl_platform(platform) eq {windows}} {
 174                        if {[catch {set p [exec cygpath --windir]} err]} {
 175                                set _iscygwin 0
 176                        } else {
 177                                set _iscygwin 1
 178                        }
 179                } else {
 180                        set _iscygwin 0
 181                }
 182        }
 183        return $_iscygwin
 184}
 185
 186proc is_enabled {option} {
 187        global enabled_options
 188        if {[catch {set on $enabled_options($option)}]} {return 0}
 189        return $on
 190}
 191
 192proc enable_option {option} {
 193        global enabled_options
 194        set enabled_options($option) 1
 195}
 196
 197proc disable_option {option} {
 198        global enabled_options
 199        set enabled_options($option) 0
 200}
 201
 202######################################################################
 203##
 204## config
 205
 206proc is_many_config {name} {
 207        switch -glob -- $name {
 208        remote.*.fetch -
 209        remote.*.push
 210                {return 1}
 211        *
 212                {return 0}
 213        }
 214}
 215
 216proc is_config_true {name} {
 217        global repo_config
 218        if {[catch {set v $repo_config($name)}]} {
 219                return 0
 220        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 221                return 1
 222        } else {
 223                return 0
 224        }
 225}
 226
 227proc get_config {name} {
 228        global repo_config
 229        if {[catch {set v $repo_config($name)}]} {
 230                return {}
 231        } else {
 232                return $v
 233        }
 234}
 235
 236proc load_config {include_global} {
 237        global repo_config global_config default_config
 238
 239        array unset global_config
 240        if {$include_global} {
 241                catch {
 242                        set fd_rc [git_read config --global --list]
 243                        while {[gets $fd_rc line] >= 0} {
 244                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 245                                        if {[is_many_config $name]} {
 246                                                lappend global_config($name) $value
 247                                        } else {
 248                                                set global_config($name) $value
 249                                        }
 250                                }
 251                        }
 252                        close $fd_rc
 253                }
 254        }
 255
 256        array unset repo_config
 257        catch {
 258                set fd_rc [git_read config --list]
 259                while {[gets $fd_rc line] >= 0} {
 260                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 261                                if {[is_many_config $name]} {
 262                                        lappend repo_config($name) $value
 263                                } else {
 264                                        set repo_config($name) $value
 265                                }
 266                        }
 267                }
 268                close $fd_rc
 269        }
 270
 271        foreach name [array names default_config] {
 272                if {[catch {set v $global_config($name)}]} {
 273                        set global_config($name) $default_config($name)
 274                }
 275                if {[catch {set v $repo_config($name)}]} {
 276                        set repo_config($name) $default_config($name)
 277                }
 278        }
 279}
 280
 281######################################################################
 282##
 283## handy utils
 284
 285proc _git_cmd {name} {
 286        global _git_cmd_path
 287
 288        if {[catch {set v $_git_cmd_path($name)}]} {
 289                switch -- $name {
 290                  version   -
 291                --version   -
 292                --exec-path { return [list $::_git $name] }
 293                }
 294
 295                set p [gitexec git-$name$::_search_exe]
 296                if {[file exists $p]} {
 297                        set v [list $p]
 298                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 299                        # Try to determine what sort of magic will make
 300                        # git-$name go and do its thing, because native
 301                        # Tcl on Windows doesn't know it.
 302                        #
 303                        set p [gitexec git-$name]
 304                        set f [open $p r]
 305                        set s [gets $f]
 306                        close $f
 307
 308                        switch -glob -- [lindex $s 0] {
 309                        #!*sh     { set i sh     }
 310                        #!*perl   { set i perl   }
 311                        #!*python { set i python }
 312                        default   { error "git-$name is not supported: $s" }
 313                        }
 314
 315                        upvar #0 _$i interp
 316                        if {![info exists interp]} {
 317                                set interp [_which $i]
 318                        }
 319                        if {$interp eq {}} {
 320                                error "git-$name requires $i (not in PATH)"
 321                        }
 322                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 323                } else {
 324                        # Assume it is builtin to git somehow and we
 325                        # aren't actually able to see a file for it.
 326                        #
 327                        set v [list $::_git $name]
 328                }
 329                set _git_cmd_path($name) $v
 330        }
 331        return $v
 332}
 333
 334proc _which {what} {
 335        global env _search_exe _search_path
 336
 337        if {$_search_path eq {}} {
 338                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 339                        set _search_path [split [exec cygpath \
 340                                --windows \
 341                                --path \
 342                                --absolute \
 343                                $env(PATH)] {;}]
 344                        set _search_exe .exe
 345                } elseif {[is_Windows]} {
 346                        set _search_path [split $env(PATH) {;}]
 347                        set _search_exe .exe
 348                } else {
 349                        set _search_path [split $env(PATH) :]
 350                        set _search_exe {}
 351                }
 352        }
 353
 354        foreach p $_search_path {
 355                set p [file join $p $what$_search_exe]
 356                if {[file exists $p]} {
 357                        return [file normalize $p]
 358                }
 359        }
 360        return {}
 361}
 362
 363proc _lappend_nice {cmd_var} {
 364        global _nice
 365        upvar $cmd_var cmd
 366
 367        if {![info exists _nice]} {
 368                set _nice [_which nice]
 369        }
 370        if {$_nice ne {}} {
 371                lappend cmd $_nice
 372        }
 373}
 374
 375proc git {args} {
 376        set opt [list exec]
 377
 378        while {1} {
 379                switch -- [lindex $args 0] {
 380                --nice {
 381                        _lappend_nice opt
 382                }
 383
 384                default {
 385                        break
 386                }
 387
 388                }
 389
 390                set args [lrange $args 1 end]
 391        }
 392
 393        set cmdp [_git_cmd [lindex $args 0]]
 394        set args [lrange $args 1 end]
 395
 396        return [eval $opt $cmdp $args]
 397}
 398
 399proc _open_stdout_stderr {cmd} {
 400        if {[catch {
 401                        set fd [open $cmd r]
 402                } err]} {
 403                if {   [lindex $cmd end] eq {2>@1}
 404                    && $err eq {can not find channel named "1"}
 405                        } {
 406                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 407                        # redirect operator.  Fallback to |& cat for those.
 408                        # The command was not actually started, so its safe
 409                        # to try to start it a second time.
 410                        #
 411                        set fd [open [concat \
 412                                [lrange $cmd 0 end-1] \
 413                                [list |& cat] \
 414                                ] r]
 415                } else {
 416                        error $err
 417                }
 418        }
 419        fconfigure $fd -eofchar {}
 420        return $fd
 421}
 422
 423proc git_read {args} {
 424        set opt [list |]
 425
 426        while {1} {
 427                switch -- [lindex $args 0] {
 428                --nice {
 429                        _lappend_nice opt
 430                }
 431
 432                --stderr {
 433                        lappend args 2>@1
 434                }
 435
 436                default {
 437                        break
 438                }
 439
 440                }
 441
 442                set args [lrange $args 1 end]
 443        }
 444
 445        set cmdp [_git_cmd [lindex $args 0]]
 446        set args [lrange $args 1 end]
 447
 448        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 449}
 450
 451proc git_write {args} {
 452        set opt [list |]
 453
 454        while {1} {
 455                switch -- [lindex $args 0] {
 456                --nice {
 457                        _lappend_nice opt
 458                }
 459
 460                default {
 461                        break
 462                }
 463
 464                }
 465
 466                set args [lrange $args 1 end]
 467        }
 468
 469        set cmdp [_git_cmd [lindex $args 0]]
 470        set args [lrange $args 1 end]
 471
 472        return [open [concat $opt $cmdp $args] w]
 473}
 474
 475proc sq {value} {
 476        regsub -all ' $value "'\\''" value
 477        return "'$value'"
 478}
 479
 480proc load_current_branch {} {
 481        global current_branch is_detached
 482
 483        set fd [open [gitdir HEAD] r]
 484        if {[gets $fd ref] < 1} {
 485                set ref {}
 486        }
 487        close $fd
 488
 489        set pfx {ref: refs/heads/}
 490        set len [string length $pfx]
 491        if {[string equal -length $len $pfx $ref]} {
 492                # We're on a branch.  It might not exist.  But
 493                # HEAD looks good enough to be a branch.
 494                #
 495                set current_branch [string range $ref $len end]
 496                set is_detached 0
 497        } else {
 498                # Assume this is a detached head.
 499                #
 500                set current_branch HEAD
 501                set is_detached 1
 502        }
 503}
 504
 505auto_load tk_optionMenu
 506rename tk_optionMenu real__tkOptionMenu
 507proc tk_optionMenu {w varName args} {
 508        set m [eval real__tkOptionMenu $w $varName $args]
 509        $m configure -font font_ui
 510        $w configure -font font_ui
 511        return $m
 512}
 513
 514proc rmsel_tag {text} {
 515        $text tag conf sel \
 516                -background [$text cget -background] \
 517                -foreground [$text cget -foreground] \
 518                -borderwidth 0
 519        $text tag conf in_sel -background lightgray
 520        bind $text <Motion> break
 521        return $text
 522}
 523
 524set root_exists 0
 525bind . <Visibility> {
 526        bind . <Visibility> {}
 527        set root_exists 1
 528}
 529
 530if {[is_Windows]} {
 531        wm iconbitmap . -default $oguilib/git-gui.ico
 532}
 533
 534######################################################################
 535##
 536## config defaults
 537
 538set cursor_ptr arrow
 539font create font_diff -family Courier -size 10
 540font create font_ui
 541catch {
 542        label .dummy
 543        eval font configure font_ui [font actual [.dummy cget -font]]
 544        destroy .dummy
 545}
 546
 547font create font_uiitalic
 548font create font_uibold
 549font create font_diffbold
 550font create font_diffitalic
 551
 552foreach class {Button Checkbutton Entry Label
 553                Labelframe Listbox Menu Message
 554                Radiobutton Spinbox Text} {
 555        option add *$class.font font_ui
 556}
 557unset class
 558
 559if {[is_Windows] || [is_MacOSX]} {
 560        option add *Menu.tearOff 0
 561}
 562
 563if {[is_MacOSX]} {
 564        set M1B M1
 565        set M1T Cmd
 566} else {
 567        set M1B Control
 568        set M1T Ctrl
 569}
 570
 571proc bind_button3 {w cmd} {
 572        bind $w <Any-Button-3> $cmd
 573        if {[is_MacOSX]} {
 574                # Mac OS X sends Button-2 on right click through three-button mouse,
 575                # or through trackpad right-clicking (two-finger touch + click).
 576                bind $w <Any-Button-2> $cmd
 577                bind $w <Control-Button-1> $cmd
 578        }
 579}
 580
 581proc apply_config {} {
 582        global repo_config font_descs
 583
 584        foreach option $font_descs {
 585                set name [lindex $option 0]
 586                set font [lindex $option 1]
 587                if {[catch {
 588                        foreach {cn cv} $repo_config(gui.$name) {
 589                                font configure $font $cn $cv -weight normal
 590                        }
 591                        } err]} {
 592                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 593                }
 594                foreach {cn cv} [font configure $font] {
 595                        font configure ${font}bold $cn $cv
 596                        font configure ${font}italic $cn $cv
 597                }
 598                font configure ${font}bold -weight bold
 599                font configure ${font}italic -slant italic
 600        }
 601}
 602
 603set default_config(merge.diffstat) true
 604set default_config(merge.summary) false
 605set default_config(merge.verbosity) 2
 606set default_config(user.name) {}
 607set default_config(user.email) {}
 608
 609set default_config(gui.matchtrackingbranch) false
 610set default_config(gui.pruneduringfetch) false
 611set default_config(gui.trustmtime) false
 612set default_config(gui.diffcontext) 5
 613set default_config(gui.newbranchtemplate) {}
 614set default_config(gui.fontui) [font configure font_ui]
 615set default_config(gui.fontdiff) [font configure font_diff]
 616set font_descs {
 617        {fontui   font_ui   {mc "Main Font"}}
 618        {fontdiff font_diff {mc "Diff/Console Font"}}
 619}
 620
 621######################################################################
 622##
 623## find git
 624
 625set _git  [_which git]
 626if {$_git eq {}} {
 627        catch {wm withdraw .}
 628        tk_messageBox \
 629                -icon error \
 630                -type ok \
 631                -title [mc "git-gui: fatal error"] \
 632                -message [mc "Cannot find git in PATH."]
 633        exit 1
 634}
 635
 636######################################################################
 637##
 638## version check
 639
 640if {[catch {set _git_version [git --version]} err]} {
 641        catch {wm withdraw .}
 642        tk_messageBox \
 643                -icon error \
 644                -type ok \
 645                -title [mc "git-gui: fatal error"] \
 646                -message "Cannot determine Git version:
 647
 648$err
 649
 650[appname] requires Git 1.5.0 or later."
 651        exit 1
 652}
 653if {![regsub {^git version } $_git_version {} _git_version]} {
 654        catch {wm withdraw .}
 655        tk_messageBox \
 656                -icon error \
 657                -type ok \
 658                -title [mc "git-gui: fatal error"] \
 659                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 660        exit 1
 661}
 662
 663set _real_git_version $_git_version
 664regsub -- {-dirty$} $_git_version {} _git_version
 665regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 666regsub {\.rc[0-9]+$} $_git_version {} _git_version
 667regsub {\.GIT$} $_git_version {} _git_version
 668
 669if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 670        catch {wm withdraw .}
 671        if {[tk_messageBox \
 672                -icon warning \
 673                -type yesno \
 674                -default no \
 675                -title "[appname]: warning" \
 676                 -message [mc "Git version cannot be determined.
 677
 678%s claims it is version '%s'.
 679
 680%s requires at least Git 1.5.0 or later.
 681
 682Assume '%s' is version 1.5.0?
 683" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 684                set _git_version 1.5.0
 685        } else {
 686                exit 1
 687        }
 688}
 689unset _real_git_version
 690
 691proc git-version {args} {
 692        global _git_version
 693
 694        switch [llength $args] {
 695        0 {
 696                return $_git_version
 697        }
 698
 699        2 {
 700                set op [lindex $args 0]
 701                set vr [lindex $args 1]
 702                set cm [package vcompare $_git_version $vr]
 703                return [expr $cm $op 0]
 704        }
 705
 706        4 {
 707                set type [lindex $args 0]
 708                set name [lindex $args 1]
 709                set parm [lindex $args 2]
 710                set body [lindex $args 3]
 711
 712                if {($type ne {proc} && $type ne {method})} {
 713                        error "Invalid arguments to git-version"
 714                }
 715                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 716                        error "Last arm of $type $name must be default"
 717                }
 718
 719                foreach {op vr cb} [lrange $body 0 end-2] {
 720                        if {[git-version $op $vr]} {
 721                                return [uplevel [list $type $name $parm $cb]]
 722                        }
 723                }
 724
 725                return [uplevel [list $type $name $parm [lindex $body end]]]
 726        }
 727
 728        default {
 729                error "git-version >= x"
 730        }
 731
 732        }
 733}
 734
 735if {[git-version < 1.5]} {
 736        catch {wm withdraw .}
 737        tk_messageBox \
 738                -icon error \
 739                -type ok \
 740                -title [mc "git-gui: fatal error"] \
 741                -message "[appname] requires Git 1.5.0 or later.
 742
 743You are using [git-version]:
 744
 745[git --version]"
 746        exit 1
 747}
 748
 749######################################################################
 750##
 751## configure our library
 752
 753set idx [file join $oguilib tclIndex]
 754if {[catch {set fd [open $idx r]} err]} {
 755        catch {wm withdraw .}
 756        tk_messageBox \
 757                -icon error \
 758                -type ok \
 759                -title [mc "git-gui: fatal error"] \
 760                -message $err
 761        exit 1
 762}
 763if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 764        set idx [list]
 765        while {[gets $fd n] >= 0} {
 766                if {$n ne {} && ![string match #* $n]} {
 767                        lappend idx $n
 768                }
 769        }
 770} else {
 771        set idx {}
 772}
 773close $fd
 774
 775if {$idx ne {}} {
 776        set loaded [list]
 777        foreach p $idx {
 778                if {[lsearch -exact $loaded $p] >= 0} continue
 779                source [file join $oguilib $p]
 780                lappend loaded $p
 781        }
 782        unset loaded p
 783} else {
 784        set auto_path [concat [list $oguilib] $auto_path]
 785}
 786unset -nocomplain idx fd
 787
 788######################################################################
 789##
 790## feature option selection
 791
 792if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
 793        unset _junk
 794} else {
 795        set subcommand gui
 796}
 797if {$subcommand eq {gui.sh}} {
 798        set subcommand gui
 799}
 800if {$subcommand eq {gui} && [llength $argv] > 0} {
 801        set subcommand [lindex $argv 0]
 802        set argv [lrange $argv 1 end]
 803}
 804
 805enable_option multicommit
 806enable_option branch
 807enable_option transport
 808disable_option bare
 809
 810switch -- $subcommand {
 811browser -
 812blame {
 813        enable_option bare
 814
 815        disable_option multicommit
 816        disable_option branch
 817        disable_option transport
 818}
 819citool {
 820        enable_option singlecommit
 821
 822        disable_option multicommit
 823        disable_option branch
 824        disable_option transport
 825}
 826}
 827
 828######################################################################
 829##
 830## repository setup
 831
 832if {[catch {
 833                set _gitdir $env(GIT_DIR)
 834                set _prefix {}
 835                }]
 836        && [catch {
 837                set _gitdir [git rev-parse --git-dir]
 838                set _prefix [git rev-parse --show-prefix]
 839        } err]} {
 840        load_config 1
 841        apply_config
 842        choose_repository::pick
 843}
 844if {![file isdirectory $_gitdir] && [is_Cygwin]} {
 845        catch {set _gitdir [exec cygpath --windows $_gitdir]}
 846}
 847if {![file isdirectory $_gitdir]} {
 848        catch {wm withdraw .}
 849        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
 850        exit 1
 851}
 852if {$_prefix ne {}} {
 853        regsub -all {[^/]+/} $_prefix ../ cdup
 854        if {[catch {cd $cdup} err]} {
 855                catch {wm withdraw .}
 856                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
 857                exit 1
 858        }
 859        unset cdup
 860} elseif {![is_enabled bare]} {
 861        if {[lindex [file split $_gitdir] end] ne {.git}} {
 862                catch {wm withdraw .}
 863                error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
 864                exit 1
 865        }
 866        if {[catch {cd [file dirname $_gitdir]} err]} {
 867                catch {wm withdraw .}
 868                error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
 869                exit 1
 870        }
 871}
 872set _reponame [file split [file normalize $_gitdir]]
 873if {[lindex $_reponame end] eq {.git}} {
 874        set _reponame [lindex $_reponame end-1]
 875} else {
 876        set _reponame [lindex $_reponame end]
 877}
 878
 879######################################################################
 880##
 881## global init
 882
 883set current_diff_path {}
 884set current_diff_side {}
 885set diff_actions [list]
 886
 887set HEAD {}
 888set PARENT {}
 889set MERGE_HEAD [list]
 890set commit_type {}
 891set empty_tree {}
 892set current_branch {}
 893set is_detached 0
 894set current_diff_path {}
 895set is_3way_diff 0
 896set selected_commit_type new
 897
 898######################################################################
 899##
 900## task management
 901
 902set rescan_active 0
 903set diff_active 0
 904set last_clicked {}
 905
 906set disable_on_lock [list]
 907set index_lock_type none
 908
 909proc lock_index {type} {
 910        global index_lock_type disable_on_lock
 911
 912        if {$index_lock_type eq {none}} {
 913                set index_lock_type $type
 914                foreach w $disable_on_lock {
 915                        uplevel #0 $w disabled
 916                }
 917                return 1
 918        } elseif {$index_lock_type eq "begin-$type"} {
 919                set index_lock_type $type
 920                return 1
 921        }
 922        return 0
 923}
 924
 925proc unlock_index {} {
 926        global index_lock_type disable_on_lock
 927
 928        set index_lock_type none
 929        foreach w $disable_on_lock {
 930                uplevel #0 $w normal
 931        }
 932}
 933
 934######################################################################
 935##
 936## status
 937
 938proc repository_state {ctvar hdvar mhvar} {
 939        global current_branch
 940        upvar $ctvar ct $hdvar hd $mhvar mh
 941
 942        set mh [list]
 943
 944        load_current_branch
 945        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
 946                set hd {}
 947                set ct initial
 948                return
 949        }
 950
 951        set merge_head [gitdir MERGE_HEAD]
 952        if {[file exists $merge_head]} {
 953                set ct merge
 954                set fd_mh [open $merge_head r]
 955                while {[gets $fd_mh line] >= 0} {
 956                        lappend mh $line
 957                }
 958                close $fd_mh
 959                return
 960        }
 961
 962        set ct normal
 963}
 964
 965proc PARENT {} {
 966        global PARENT empty_tree
 967
 968        set p [lindex $PARENT 0]
 969        if {$p ne {}} {
 970                return $p
 971        }
 972        if {$empty_tree eq {}} {
 973                set empty_tree [git mktree << {}]
 974        }
 975        return $empty_tree
 976}
 977
 978proc rescan {after {honor_trustmtime 1}} {
 979        global HEAD PARENT MERGE_HEAD commit_type
 980        global ui_index ui_workdir ui_comm
 981        global rescan_active file_states
 982        global repo_config
 983
 984        if {$rescan_active > 0 || ![lock_index read]} return
 985
 986        repository_state newType newHEAD newMERGE_HEAD
 987        if {[string match amend* $commit_type]
 988                && $newType eq {normal}
 989                && $newHEAD eq $HEAD} {
 990        } else {
 991                set HEAD $newHEAD
 992                set PARENT $newHEAD
 993                set MERGE_HEAD $newMERGE_HEAD
 994                set commit_type $newType
 995        }
 996
 997        array unset file_states
 998
 999        if {!$::GITGUI_BCK_exists &&
1000                (![$ui_comm edit modified]
1001                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1002                if {[string match amend* $commit_type]} {
1003                } elseif {[load_message GITGUI_MSG]} {
1004                } elseif {[load_message MERGE_MSG]} {
1005                } elseif {[load_message SQUASH_MSG]} {
1006                }
1007                $ui_comm edit reset
1008                $ui_comm edit modified false
1009        }
1010
1011        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1012                rescan_stage2 {} $after
1013        } else {
1014                set rescan_active 1
1015                ui_status [mc "Refreshing file status..."]
1016                set fd_rf [git_read update-index \
1017                        -q \
1018                        --unmerged \
1019                        --ignore-missing \
1020                        --refresh \
1021                        ]
1022                fconfigure $fd_rf -blocking 0 -translation binary
1023                fileevent $fd_rf readable \
1024                        [list rescan_stage2 $fd_rf $after]
1025        }
1026}
1027
1028if {[is_Cygwin]} {
1029        set is_git_info_link {}
1030        set is_git_info_exclude {}
1031        proc have_info_exclude {} {
1032                global is_git_info_link is_git_info_exclude
1033
1034                if {$is_git_info_link eq {}} {
1035                        set is_git_info_link [file isfile [gitdir info.lnk]]
1036                }
1037
1038                if {$is_git_info_link} {
1039                        if {$is_git_info_exclude eq {}} {
1040                                if {[catch {exec test -f [gitdir info exclude]}]} {
1041                                        set is_git_info_exclude 0
1042                                } else {
1043                                        set is_git_info_exclude 1
1044                                }
1045                        }
1046                        return $is_git_info_exclude
1047                } else {
1048                        return [file readable [gitdir info exclude]]
1049                }
1050        }
1051} else {
1052        proc have_info_exclude {} {
1053                return [file readable [gitdir info exclude]]
1054        }
1055}
1056
1057proc rescan_stage2 {fd after} {
1058        global rescan_active buf_rdi buf_rdf buf_rlo
1059
1060        if {$fd ne {}} {
1061                read $fd
1062                if {![eof $fd]} return
1063                close $fd
1064        }
1065
1066        set ls_others [list --exclude-per-directory=.gitignore]
1067        if {[have_info_exclude]} {
1068                lappend ls_others "--exclude-from=[gitdir info exclude]"
1069        }
1070        set user_exclude [get_config core.excludesfile]
1071        if {$user_exclude ne {} && [file readable $user_exclude]} {
1072                lappend ls_others "--exclude-from=$user_exclude"
1073        }
1074
1075        set buf_rdi {}
1076        set buf_rdf {}
1077        set buf_rlo {}
1078
1079        set rescan_active 3
1080        ui_status [mc "Scanning for modified files ..."]
1081        set fd_di [git_read diff-index --cached -z [PARENT]]
1082        set fd_df [git_read diff-files -z]
1083        set fd_lo [eval git_read ls-files --others -z $ls_others]
1084
1085        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1086        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1087        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1088        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1089        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1090        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1091}
1092
1093proc load_message {file} {
1094        global ui_comm
1095
1096        set f [gitdir $file]
1097        if {[file isfile $f]} {
1098                if {[catch {set fd [open $f r]}]} {
1099                        return 0
1100                }
1101                fconfigure $fd -eofchar {}
1102                set content [string trim [read $fd]]
1103                close $fd
1104                regsub -all -line {[ \r\t]+$} $content {} content
1105                $ui_comm delete 0.0 end
1106                $ui_comm insert end $content
1107                return 1
1108        }
1109        return 0
1110}
1111
1112proc read_diff_index {fd after} {
1113        global buf_rdi
1114
1115        append buf_rdi [read $fd]
1116        set c 0
1117        set n [string length $buf_rdi]
1118        while {$c < $n} {
1119                set z1 [string first "\0" $buf_rdi $c]
1120                if {$z1 == -1} break
1121                incr z1
1122                set z2 [string first "\0" $buf_rdi $z1]
1123                if {$z2 == -1} break
1124
1125                incr c
1126                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1127                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1128                merge_state \
1129                        [encoding convertfrom $p] \
1130                        [lindex $i 4]? \
1131                        [list [lindex $i 0] [lindex $i 2]] \
1132                        [list]
1133                set c $z2
1134                incr c
1135        }
1136        if {$c < $n} {
1137                set buf_rdi [string range $buf_rdi $c end]
1138        } else {
1139                set buf_rdi {}
1140        }
1141
1142        rescan_done $fd buf_rdi $after
1143}
1144
1145proc read_diff_files {fd after} {
1146        global buf_rdf
1147
1148        append buf_rdf [read $fd]
1149        set c 0
1150        set n [string length $buf_rdf]
1151        while {$c < $n} {
1152                set z1 [string first "\0" $buf_rdf $c]
1153                if {$z1 == -1} break
1154                incr z1
1155                set z2 [string first "\0" $buf_rdf $z1]
1156                if {$z2 == -1} break
1157
1158                incr c
1159                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1160                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1161                merge_state \
1162                        [encoding convertfrom $p] \
1163                        ?[lindex $i 4] \
1164                        [list] \
1165                        [list [lindex $i 0] [lindex $i 2]]
1166                set c $z2
1167                incr c
1168        }
1169        if {$c < $n} {
1170                set buf_rdf [string range $buf_rdf $c end]
1171        } else {
1172                set buf_rdf {}
1173        }
1174
1175        rescan_done $fd buf_rdf $after
1176}
1177
1178proc read_ls_others {fd after} {
1179        global buf_rlo
1180
1181        append buf_rlo [read $fd]
1182        set pck [split $buf_rlo "\0"]
1183        set buf_rlo [lindex $pck end]
1184        foreach p [lrange $pck 0 end-1] {
1185                set p [encoding convertfrom $p]
1186                if {[string index $p end] eq {/}} {
1187                        set p [string range $p 0 end-1]
1188                }
1189                merge_state $p ?O
1190        }
1191        rescan_done $fd buf_rlo $after
1192}
1193
1194proc rescan_done {fd buf after} {
1195        global rescan_active current_diff_path
1196        global file_states repo_config
1197        upvar $buf to_clear
1198
1199        if {![eof $fd]} return
1200        set to_clear {}
1201        close $fd
1202        if {[incr rescan_active -1] > 0} return
1203
1204        prune_selection
1205        unlock_index
1206        display_all_files
1207        if {$current_diff_path ne {}} reshow_diff
1208        uplevel #0 $after
1209}
1210
1211proc prune_selection {} {
1212        global file_states selected_paths
1213
1214        foreach path [array names selected_paths] {
1215                if {[catch {set still_here $file_states($path)}]} {
1216                        unset selected_paths($path)
1217                }
1218        }
1219}
1220
1221######################################################################
1222##
1223## ui helpers
1224
1225proc mapicon {w state path} {
1226        global all_icons
1227
1228        if {[catch {set r $all_icons($state$w)}]} {
1229                puts "error: no icon for $w state={$state} $path"
1230                return file_plain
1231        }
1232        return $r
1233}
1234
1235proc mapdesc {state path} {
1236        global all_descs
1237
1238        if {[catch {set r $all_descs($state)}]} {
1239                puts "error: no desc for state={$state} $path"
1240                return $state
1241        }
1242        return $r
1243}
1244
1245proc ui_status {msg} {
1246        $::main_status show $msg
1247}
1248
1249proc ui_ready {{test {}}} {
1250        $::main_status show [mc "Ready."] $test
1251}
1252
1253proc escape_path {path} {
1254        regsub -all {\\} $path "\\\\" path
1255        regsub -all "\n" $path "\\n" path
1256        return $path
1257}
1258
1259proc short_path {path} {
1260        return [escape_path [lindex [file split $path] end]]
1261}
1262
1263set next_icon_id 0
1264set null_sha1 [string repeat 0 40]
1265
1266proc merge_state {path new_state {head_info {}} {index_info {}}} {
1267        global file_states next_icon_id null_sha1
1268
1269        set s0 [string index $new_state 0]
1270        set s1 [string index $new_state 1]
1271
1272        if {[catch {set info $file_states($path)}]} {
1273                set state __
1274                set icon n[incr next_icon_id]
1275        } else {
1276                set state [lindex $info 0]
1277                set icon [lindex $info 1]
1278                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1279                if {$index_info eq {}} {set index_info [lindex $info 3]}
1280        }
1281
1282        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1283        elseif {$s0 eq {_}} {set s0 _}
1284
1285        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1286        elseif {$s1 eq {_}} {set s1 _}
1287
1288        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1289                set head_info [list 0 $null_sha1]
1290        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1291                && $head_info eq {}} {
1292                set head_info $index_info
1293        }
1294
1295        set file_states($path) [list $s0$s1 $icon \
1296                $head_info $index_info \
1297                ]
1298        return $state
1299}
1300
1301proc display_file_helper {w path icon_name old_m new_m} {
1302        global file_lists
1303
1304        if {$new_m eq {_}} {
1305                set lno [lsearch -sorted -exact $file_lists($w) $path]
1306                if {$lno >= 0} {
1307                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1308                        incr lno
1309                        $w conf -state normal
1310                        $w delete $lno.0 [expr {$lno + 1}].0
1311                        $w conf -state disabled
1312                }
1313        } elseif {$old_m eq {_} && $new_m ne {_}} {
1314                lappend file_lists($w) $path
1315                set file_lists($w) [lsort -unique $file_lists($w)]
1316                set lno [lsearch -sorted -exact $file_lists($w) $path]
1317                incr lno
1318                $w conf -state normal
1319                $w image create $lno.0 \
1320                        -align center -padx 5 -pady 1 \
1321                        -name $icon_name \
1322                        -image [mapicon $w $new_m $path]
1323                $w insert $lno.1 "[escape_path $path]\n"
1324                $w conf -state disabled
1325        } elseif {$old_m ne $new_m} {
1326                $w conf -state normal
1327                $w image conf $icon_name -image [mapicon $w $new_m $path]
1328                $w conf -state disabled
1329        }
1330}
1331
1332proc display_file {path state} {
1333        global file_states selected_paths
1334        global ui_index ui_workdir
1335
1336        set old_m [merge_state $path $state]
1337        set s $file_states($path)
1338        set new_m [lindex $s 0]
1339        set icon_name [lindex $s 1]
1340
1341        set o [string index $old_m 0]
1342        set n [string index $new_m 0]
1343        if {$o eq {U}} {
1344                set o _
1345        }
1346        if {$n eq {U}} {
1347                set n _
1348        }
1349        display_file_helper     $ui_index $path $icon_name $o $n
1350
1351        if {[string index $old_m 0] eq {U}} {
1352                set o U
1353        } else {
1354                set o [string index $old_m 1]
1355        }
1356        if {[string index $new_m 0] eq {U}} {
1357                set n U
1358        } else {
1359                set n [string index $new_m 1]
1360        }
1361        display_file_helper     $ui_workdir $path $icon_name $o $n
1362
1363        if {$new_m eq {__}} {
1364                unset file_states($path)
1365                catch {unset selected_paths($path)}
1366        }
1367}
1368
1369proc display_all_files_helper {w path icon_name m} {
1370        global file_lists
1371
1372        lappend file_lists($w) $path
1373        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1374        $w image create end \
1375                -align center -padx 5 -pady 1 \
1376                -name $icon_name \
1377                -image [mapicon $w $m $path]
1378        $w insert end "[escape_path $path]\n"
1379}
1380
1381proc display_all_files {} {
1382        global ui_index ui_workdir
1383        global file_states file_lists
1384        global last_clicked
1385
1386        $ui_index conf -state normal
1387        $ui_workdir conf -state normal
1388
1389        $ui_index delete 0.0 end
1390        $ui_workdir delete 0.0 end
1391        set last_clicked {}
1392
1393        set file_lists($ui_index) [list]
1394        set file_lists($ui_workdir) [list]
1395
1396        foreach path [lsort [array names file_states]] {
1397                set s $file_states($path)
1398                set m [lindex $s 0]
1399                set icon_name [lindex $s 1]
1400
1401                set s [string index $m 0]
1402                if {$s ne {U} && $s ne {_}} {
1403                        display_all_files_helper $ui_index $path \
1404                                $icon_name $s
1405                }
1406
1407                if {[string index $m 0] eq {U}} {
1408                        set s U
1409                } else {
1410                        set s [string index $m 1]
1411                }
1412                if {$s ne {_}} {
1413                        display_all_files_helper $ui_workdir $path \
1414                                $icon_name $s
1415                }
1416        }
1417
1418        $ui_index conf -state disabled
1419        $ui_workdir conf -state disabled
1420}
1421
1422######################################################################
1423##
1424## icons
1425
1426set filemask {
1427#define mask_width 14
1428#define mask_height 15
1429static unsigned char mask_bits[] = {
1430   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1431   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1432   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1433}
1434
1435image create bitmap file_plain -background white -foreground black -data {
1436#define plain_width 14
1437#define plain_height 15
1438static unsigned char plain_bits[] = {
1439   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1440   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1441   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1442} -maskdata $filemask
1443
1444image create bitmap file_mod -background white -foreground blue -data {
1445#define mod_width 14
1446#define mod_height 15
1447static unsigned char mod_bits[] = {
1448   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1449   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1450   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1451} -maskdata $filemask
1452
1453image create bitmap file_fulltick -background white -foreground "#007000" -data {
1454#define file_fulltick_width 14
1455#define file_fulltick_height 15
1456static unsigned char file_fulltick_bits[] = {
1457   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1458   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1459   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1460} -maskdata $filemask
1461
1462image create bitmap file_parttick -background white -foreground "#005050" -data {
1463#define parttick_width 14
1464#define parttick_height 15
1465static unsigned char parttick_bits[] = {
1466   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1467   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1468   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1469} -maskdata $filemask
1470
1471image create bitmap file_question -background white -foreground black -data {
1472#define file_question_width 14
1473#define file_question_height 15
1474static unsigned char file_question_bits[] = {
1475   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1476   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1477   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1478} -maskdata $filemask
1479
1480image create bitmap file_removed -background white -foreground red -data {
1481#define file_removed_width 14
1482#define file_removed_height 15
1483static unsigned char file_removed_bits[] = {
1484   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1485   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1486   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1487} -maskdata $filemask
1488
1489image create bitmap file_merge -background white -foreground blue -data {
1490#define file_merge_width 14
1491#define file_merge_height 15
1492static unsigned char file_merge_bits[] = {
1493   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1494   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1495   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1496} -maskdata $filemask
1497
1498set ui_index .vpane.files.index.list
1499set ui_workdir .vpane.files.workdir.list
1500
1501set all_icons(_$ui_index)   file_plain
1502set all_icons(A$ui_index)   file_fulltick
1503set all_icons(M$ui_index)   file_fulltick
1504set all_icons(D$ui_index)   file_removed
1505set all_icons(U$ui_index)   file_merge
1506
1507set all_icons(_$ui_workdir) file_plain
1508set all_icons(M$ui_workdir) file_mod
1509set all_icons(D$ui_workdir) file_question
1510set all_icons(U$ui_workdir) file_merge
1511set all_icons(O$ui_workdir) file_plain
1512
1513set max_status_desc 0
1514foreach i {
1515                {__ {mc "Unmodified"}}
1516
1517                {_M {mc "Modified, not staged"}}
1518                {M_ {mc "Staged for commit"}}
1519                {MM {mc "Portions staged for commit"}}
1520                {MD {mc "Staged for commit, missing"}}
1521
1522                {_O {mc "Untracked, not staged"}}
1523                {A_ {mc "Staged for commit"}}
1524                {AM {mc "Portions staged for commit"}}
1525                {AD {mc "Staged for commit, missing"}}
1526
1527                {_D {mc "Missing"}}
1528                {D_ {mc "Staged for removal"}}
1529                {DO {mc "Staged for removal, still present"}}
1530
1531                {U_ {mc "Requires merge resolution"}}
1532                {UU {mc "Requires merge resolution"}}
1533                {UM {mc "Requires merge resolution"}}
1534                {UD {mc "Requires merge resolution"}}
1535        } {
1536        set text [eval [lindex $i 1]]
1537        if {$max_status_desc < [string length $text]} {
1538                set max_status_desc [string length $text]
1539        }
1540        set all_descs([lindex $i 0]) $text
1541}
1542unset i
1543
1544######################################################################
1545##
1546## util
1547
1548proc scrollbar2many {list mode args} {
1549        foreach w $list {eval $w $mode $args}
1550}
1551
1552proc many2scrollbar {list mode sb top bottom} {
1553        $sb set $top $bottom
1554        foreach w $list {$w $mode moveto $top}
1555}
1556
1557proc incr_font_size {font {amt 1}} {
1558        set sz [font configure $font -size]
1559        incr sz $amt
1560        font configure $font -size $sz
1561        font configure ${font}bold -size $sz
1562        font configure ${font}italic -size $sz
1563}
1564
1565######################################################################
1566##
1567## ui commands
1568
1569set starting_gitk_msg [mc "Starting gitk... please wait..."]
1570
1571proc do_gitk {revs} {
1572        # -- Always start gitk through whatever we were loaded with.  This
1573        #    lets us bypass using shell process on Windows systems.
1574        #
1575        set exe [file join [file dirname $::_git] gitk]
1576        set cmd [list [info nameofexecutable] $exe]
1577        if {! [file exists $exe]} {
1578                error_popup [mc "Unable to start gitk:\n\n%s does not exist" $exe]
1579        } else {
1580                eval exec $cmd $revs &
1581                ui_status $::starting_gitk_msg
1582                after 10000 {
1583                        ui_ready $starting_gitk_msg
1584                }
1585        }
1586}
1587
1588set is_quitting 0
1589
1590proc do_quit {} {
1591        global ui_comm is_quitting repo_config commit_type
1592        global GITGUI_BCK_exists GITGUI_BCK_i
1593
1594        if {$is_quitting} return
1595        set is_quitting 1
1596
1597        if {[winfo exists $ui_comm]} {
1598                # -- Stash our current commit buffer.
1599                #
1600                set save [gitdir GITGUI_MSG]
1601                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1602                        file rename -force [gitdir GITGUI_BCK] $save
1603                        set GITGUI_BCK_exists 0
1604                } else {
1605                        set msg [string trim [$ui_comm get 0.0 end]]
1606                        regsub -all -line {[ \r\t]+$} $msg {} msg
1607                        if {(![string match amend* $commit_type]
1608                                || [$ui_comm edit modified])
1609                                && $msg ne {}} {
1610                                catch {
1611                                        set fd [open $save w]
1612                                        puts -nonewline $fd $msg
1613                                        close $fd
1614                                }
1615                        } else {
1616                                catch {file delete $save}
1617                        }
1618                }
1619
1620                # -- Remove our editor backup, its not needed.
1621                #
1622                after cancel $GITGUI_BCK_i
1623                if {$GITGUI_BCK_exists} {
1624                        catch {file delete [gitdir GITGUI_BCK]}
1625                }
1626
1627                # -- Stash our current window geometry into this repository.
1628                #
1629                set cfg_geometry [list]
1630                lappend cfg_geometry [wm geometry .]
1631                lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
1632                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
1633                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1634                        set rc_geometry {}
1635                }
1636                if {$cfg_geometry ne $rc_geometry} {
1637                        catch {git config gui.geometry $cfg_geometry}
1638                }
1639        }
1640
1641        destroy .
1642}
1643
1644proc do_rescan {} {
1645        rescan ui_ready
1646}
1647
1648proc do_commit {} {
1649        commit_tree
1650}
1651
1652proc toggle_or_diff {w x y} {
1653        global file_states file_lists current_diff_path ui_index ui_workdir
1654        global last_clicked selected_paths
1655
1656        set pos [split [$w index @$x,$y] .]
1657        set lno [lindex $pos 0]
1658        set col [lindex $pos 1]
1659        set path [lindex $file_lists($w) [expr {$lno - 1}]]
1660        if {$path eq {}} {
1661                set last_clicked {}
1662                return
1663        }
1664
1665        set last_clicked [list $w $lno]
1666        array unset selected_paths
1667        $ui_index tag remove in_sel 0.0 end
1668        $ui_workdir tag remove in_sel 0.0 end
1669
1670        if {$col == 0} {
1671                if {$current_diff_path eq $path} {
1672                        set after {reshow_diff;}
1673                } else {
1674                        set after {}
1675                }
1676                if {$w eq $ui_index} {
1677                        update_indexinfo \
1678                                "Unstaging [short_path $path] from commit" \
1679                                [list $path] \
1680                                [concat $after [list ui_ready]]
1681                } elseif {$w eq $ui_workdir} {
1682                        update_index \
1683                                "Adding [short_path $path]" \
1684                                [list $path] \
1685                                [concat $after [list ui_ready]]
1686                }
1687        } else {
1688                show_diff $path $w $lno
1689        }
1690}
1691
1692proc add_one_to_selection {w x y} {
1693        global file_lists last_clicked selected_paths
1694
1695        set lno [lindex [split [$w index @$x,$y] .] 0]
1696        set path [lindex $file_lists($w) [expr {$lno - 1}]]
1697        if {$path eq {}} {
1698                set last_clicked {}
1699                return
1700        }
1701
1702        if {$last_clicked ne {}
1703                && [lindex $last_clicked 0] ne $w} {
1704                array unset selected_paths
1705                [lindex $last_clicked 0] tag remove in_sel 0.0 end
1706        }
1707
1708        set last_clicked [list $w $lno]
1709        if {[catch {set in_sel $selected_paths($path)}]} {
1710                set in_sel 0
1711        }
1712        if {$in_sel} {
1713                unset selected_paths($path)
1714                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
1715        } else {
1716                set selected_paths($path) 1
1717                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
1718        }
1719}
1720
1721proc add_range_to_selection {w x y} {
1722        global file_lists last_clicked selected_paths
1723
1724        if {[lindex $last_clicked 0] ne $w} {
1725                toggle_or_diff $w $x $y
1726                return
1727        }
1728
1729        set lno [lindex [split [$w index @$x,$y] .] 0]
1730        set lc [lindex $last_clicked 1]
1731        if {$lc < $lno} {
1732                set begin $lc
1733                set end $lno
1734        } else {
1735                set begin $lno
1736                set end $lc
1737        }
1738
1739        foreach path [lrange $file_lists($w) \
1740                [expr {$begin - 1}] \
1741                [expr {$end - 1}]] {
1742                set selected_paths($path) 1
1743        }
1744        $w tag add in_sel $begin.0 [expr {$end + 1}].0
1745}
1746
1747######################################################################
1748##
1749## ui construction
1750
1751load_config 0
1752apply_config
1753set ui_comm {}
1754
1755# -- Menu Bar
1756#
1757menu .mbar -tearoff 0
1758.mbar add cascade -label [mc Repository] -menu .mbar.repository
1759.mbar add cascade -label [mc Edit] -menu .mbar.edit
1760if {[is_enabled branch]} {
1761        .mbar add cascade -label [mc Branch] -menu .mbar.branch
1762}
1763if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1764        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
1765}
1766if {[is_enabled transport]} {
1767        .mbar add cascade -label [mc Merge] -menu .mbar.merge
1768        .mbar add cascade -label [mc Fetch] -menu .mbar.fetch
1769        .mbar add cascade -label [mc Push] -menu .mbar.push
1770}
1771. configure -menu .mbar
1772
1773# -- Repository Menu
1774#
1775menu .mbar.repository
1776
1777.mbar.repository add command \
1778        -label [mc "Browse Current Branch's Files"] \
1779        -command {browser::new $current_branch}
1780set ui_browse_current [.mbar.repository index last]
1781.mbar.repository add command \
1782        -label [mc "Browse Branch Files..."] \
1783        -command browser_open::dialog
1784.mbar.repository add separator
1785
1786.mbar.repository add command \
1787        -label [mc "Visualize Current Branch's History"] \
1788        -command {do_gitk $current_branch}
1789set ui_visualize_current [.mbar.repository index last]
1790.mbar.repository add command \
1791        -label [mc "Visualize All Branch History"] \
1792        -command {do_gitk --all}
1793.mbar.repository add separator
1794
1795proc current_branch_write {args} {
1796        global current_branch
1797        .mbar.repository entryconf $::ui_browse_current \
1798                -label [mc "Browse %s's Files" $current_branch]
1799        .mbar.repository entryconf $::ui_visualize_current \
1800                -label [mc "Visualize %s's History" $current_branch]
1801}
1802trace add variable current_branch write current_branch_write
1803
1804if {[is_enabled multicommit]} {
1805        .mbar.repository add command -label [mc "Database Statistics"] \
1806                -command do_stats
1807
1808        .mbar.repository add command -label [mc "Compress Database"] \
1809                -command do_gc
1810
1811        .mbar.repository add command -label [mc "Verify Database"] \
1812                -command do_fsck_objects
1813
1814        .mbar.repository add separator
1815
1816        if {[is_Cygwin]} {
1817                .mbar.repository add command \
1818                        -label [mc "Create Desktop Icon"] \
1819                        -command do_cygwin_shortcut
1820        } elseif {[is_Windows]} {
1821                .mbar.repository add command \
1822                        -label [mc "Create Desktop Icon"] \
1823                        -command do_windows_shortcut
1824        } elseif {[is_MacOSX]} {
1825                .mbar.repository add command \
1826                        -label [mc "Create Desktop Icon"] \
1827                        -command do_macosx_app
1828        }
1829}
1830
1831.mbar.repository add command -label [mc Quit] \
1832        -command do_quit \
1833        -accelerator $M1T-Q
1834
1835# -- Edit Menu
1836#
1837menu .mbar.edit
1838.mbar.edit add command -label [mc Undo] \
1839        -command {catch {[focus] edit undo}} \
1840        -accelerator $M1T-Z
1841.mbar.edit add command -label [mc Redo] \
1842        -command {catch {[focus] edit redo}} \
1843        -accelerator $M1T-Y
1844.mbar.edit add separator
1845.mbar.edit add command -label [mc Cut] \
1846        -command {catch {tk_textCut [focus]}} \
1847        -accelerator $M1T-X
1848.mbar.edit add command -label [mc Copy] \
1849        -command {catch {tk_textCopy [focus]}} \
1850        -accelerator $M1T-C
1851.mbar.edit add command -label [mc Paste] \
1852        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
1853        -accelerator $M1T-V
1854.mbar.edit add command -label [mc Delete] \
1855        -command {catch {[focus] delete sel.first sel.last}} \
1856        -accelerator Del
1857.mbar.edit add separator
1858.mbar.edit add command -label [mc "Select All"] \
1859        -command {catch {[focus] tag add sel 0.0 end}} \
1860        -accelerator $M1T-A
1861
1862# -- Branch Menu
1863#
1864if {[is_enabled branch]} {
1865        menu .mbar.branch
1866
1867        .mbar.branch add command -label [mc "Create..."] \
1868                -command branch_create::dialog \
1869                -accelerator $M1T-N
1870        lappend disable_on_lock [list .mbar.branch entryconf \
1871                [.mbar.branch index last] -state]
1872
1873        .mbar.branch add command -label [mc "Checkout..."] \
1874                -command branch_checkout::dialog \
1875                -accelerator $M1T-O
1876        lappend disable_on_lock [list .mbar.branch entryconf \
1877                [.mbar.branch index last] -state]
1878
1879        .mbar.branch add command -label [mc "Rename..."] \
1880                -command branch_rename::dialog
1881        lappend disable_on_lock [list .mbar.branch entryconf \
1882                [.mbar.branch index last] -state]
1883
1884        .mbar.branch add command -label [mc "Delete..."] \
1885                -command branch_delete::dialog
1886        lappend disable_on_lock [list .mbar.branch entryconf \
1887                [.mbar.branch index last] -state]
1888
1889        .mbar.branch add command -label [mc "Reset..."] \
1890                -command merge::reset_hard
1891        lappend disable_on_lock [list .mbar.branch entryconf \
1892                [.mbar.branch index last] -state]
1893}
1894
1895# -- Commit Menu
1896#
1897if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1898        menu .mbar.commit
1899
1900        .mbar.commit add radiobutton \
1901                -label [mc "New Commit"] \
1902                -command do_select_commit_type \
1903                -variable selected_commit_type \
1904                -value new
1905        lappend disable_on_lock \
1906                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1907
1908        .mbar.commit add radiobutton \
1909                -label [mc "Amend Last Commit"] \
1910                -command do_select_commit_type \
1911                -variable selected_commit_type \
1912                -value amend
1913        lappend disable_on_lock \
1914                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1915
1916        .mbar.commit add separator
1917
1918        .mbar.commit add command -label [mc Rescan] \
1919                -command do_rescan \
1920                -accelerator F5
1921        lappend disable_on_lock \
1922                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1923
1924        .mbar.commit add command -label [mc "Stage To Commit"] \
1925                -command do_add_selection
1926        lappend disable_on_lock \
1927                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1928
1929        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
1930                -command do_add_all \
1931                -accelerator $M1T-I
1932        lappend disable_on_lock \
1933                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1934
1935        .mbar.commit add command -label [mc "Unstage From Commit"] \
1936                -command do_unstage_selection
1937        lappend disable_on_lock \
1938                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1939
1940        .mbar.commit add command -label [mc "Revert Changes"] \
1941                -command do_revert_selection
1942        lappend disable_on_lock \
1943                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1944
1945        .mbar.commit add separator
1946
1947        .mbar.commit add command -label [mc "Sign Off"] \
1948                -command do_signoff \
1949                -accelerator $M1T-S
1950
1951        .mbar.commit add command -label [mc Commit@@verb] \
1952                -command do_commit \
1953                -accelerator $M1T-Return
1954        lappend disable_on_lock \
1955                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1956}
1957
1958# -- Merge Menu
1959#
1960if {[is_enabled branch]} {
1961        menu .mbar.merge
1962        .mbar.merge add command -label [mc "Local Merge..."] \
1963                -command merge::dialog \
1964                -accelerator $M1T-M
1965        lappend disable_on_lock \
1966                [list .mbar.merge entryconf [.mbar.merge index last] -state]
1967        .mbar.merge add command -label [mc "Abort Merge..."] \
1968                -command merge::reset_hard
1969        lappend disable_on_lock \
1970                [list .mbar.merge entryconf [.mbar.merge index last] -state]
1971}
1972
1973# -- Transport Menu
1974#
1975if {[is_enabled transport]} {
1976        menu .mbar.fetch
1977
1978        menu .mbar.push
1979        .mbar.push add command -label [mc "Push..."] \
1980                -command do_push_anywhere \
1981                -accelerator $M1T-P
1982        .mbar.push add command -label [mc "Delete..."] \
1983                -command remote_branch_delete::dialog
1984}
1985
1986if {[is_MacOSX]} {
1987        # -- Apple Menu (Mac OS X only)
1988        #
1989        .mbar add cascade -label [mc Apple] -menu .mbar.apple
1990        menu .mbar.apple
1991
1992        .mbar.apple add command -label [mc "About %s" [appname]] \
1993                -command do_about
1994        .mbar.apple add command -label [mc "Options..."] \
1995                -command do_options
1996} else {
1997        # -- Edit Menu
1998        #
1999        .mbar.edit add separator
2000        .mbar.edit add command -label [mc "Options..."] \
2001                -command do_options
2002}
2003
2004# -- Help Menu
2005#
2006.mbar add cascade -label [mc Help] -menu .mbar.help
2007menu .mbar.help
2008
2009if {![is_MacOSX]} {
2010        .mbar.help add command -label [mc "About %s" [appname]] \
2011                -command do_about
2012}
2013
2014set browser {}
2015catch {set browser $repo_config(instaweb.browser)}
2016set doc_path [file dirname [gitexec]]
2017set doc_path [file join $doc_path Documentation index.html]
2018
2019if {[is_Cygwin]} {
2020        set doc_path [exec cygpath --mixed $doc_path]
2021}
2022
2023if {$browser eq {}} {
2024        if {[is_MacOSX]} {
2025                set browser open
2026        } elseif {[is_Cygwin]} {
2027                set program_files [file dirname [exec cygpath --windir]]
2028                set program_files [file join $program_files {Program Files}]
2029                set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
2030                set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
2031                if {[file exists $firefox]} {
2032                        set browser $firefox
2033                } elseif {[file exists $ie]} {
2034                        set browser $ie
2035                }
2036                unset program_files firefox ie
2037        }
2038}
2039
2040if {[file isfile $doc_path]} {
2041        set doc_url "file:$doc_path"
2042} else {
2043        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2044}
2045
2046if {$browser ne {}} {
2047        .mbar.help add command -label [mc "Online Documentation"] \
2048                -command [list exec $browser $doc_url &]
2049}
2050unset browser doc_path doc_url
2051
2052# -- Standard bindings
2053#
2054wm protocol . WM_DELETE_WINDOW do_quit
2055bind all <$M1B-Key-q> do_quit
2056bind all <$M1B-Key-Q> do_quit
2057bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2058bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2059
2060set subcommand_args {}
2061proc usage {} {
2062        puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2063        exit 1
2064}
2065
2066# -- Not a normal commit type invocation?  Do that instead!
2067#
2068switch -- $subcommand {
2069browser -
2070blame {
2071        set subcommand_args {rev? path}
2072        if {$argv eq {}} usage
2073        set head {}
2074        set path {}
2075        set is_path 0
2076        foreach a $argv {
2077                if {$is_path || [file exists $_prefix$a]} {
2078                        if {$path ne {}} usage
2079                        set path $_prefix$a
2080                        break
2081                } elseif {$a eq {--}} {
2082                        if {$path ne {}} {
2083                                if {$head ne {}} usage
2084                                set head $path
2085                                set path {}
2086                        }
2087                        set is_path 1
2088                } elseif {$head eq {}} {
2089                        if {$head ne {}} usage
2090                        set head $a
2091                        set is_path 1
2092                } else {
2093                        usage
2094                }
2095        }
2096        unset is_path
2097
2098        if {$head ne {} && $path eq {}} {
2099                set path $_prefix$head
2100                set head {}
2101        }
2102
2103        if {$head eq {}} {
2104                load_current_branch
2105        } else {
2106                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2107                        if {[catch {
2108                                        set head [git rev-parse --verify $head]
2109                                } err]} {
2110                                puts stderr $err
2111                                exit 1
2112                        }
2113                }
2114                set current_branch $head
2115        }
2116
2117        switch -- $subcommand {
2118        browser {
2119                if {$head eq {}} {
2120                        if {$path ne {} && [file isdirectory $path]} {
2121                                set head $current_branch
2122                        } else {
2123                                set head $path
2124                                set path {}
2125                        }
2126                }
2127                browser::new $head $path
2128        }
2129        blame   {
2130                if {$head eq {} && ![file exists $path]} {
2131                        puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2132                        exit 1
2133                }
2134                blame::new $head $path
2135        }
2136        }
2137        return
2138}
2139citool -
2140gui {
2141        if {[llength $argv] != 0} {
2142                puts -nonewline stderr "usage: $argv0"
2143                if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
2144                        puts -nonewline stderr " $subcommand"
2145                }
2146                puts stderr {}
2147                exit 1
2148        }
2149        # fall through to setup UI for commits
2150}
2151default {
2152        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2153        exit 1
2154}
2155}
2156
2157# -- Branch Control
2158#
2159frame .branch \
2160        -borderwidth 1 \
2161        -relief sunken
2162label .branch.l1 \
2163        -text [mc "Current Branch:"] \
2164        -anchor w \
2165        -justify left
2166label .branch.cb \
2167        -textvariable current_branch \
2168        -anchor w \
2169        -justify left
2170pack .branch.l1 -side left
2171pack .branch.cb -side left -fill x
2172pack .branch -side top -fill x
2173
2174# -- Main Window Layout
2175#
2176panedwindow .vpane -orient vertical
2177panedwindow .vpane.files -orient horizontal
2178.vpane add .vpane.files -sticky nsew -height 100 -width 200
2179pack .vpane -anchor n -side top -fill both -expand 1
2180
2181# -- Index File List
2182#
2183frame .vpane.files.index -height 100 -width 200
2184label .vpane.files.index.title -text [mc "Staged Changes (Will Be Committed)"] \
2185        -background lightgreen
2186text $ui_index -background white -borderwidth 0 \
2187        -width 20 -height 10 \
2188        -wrap none \
2189        -cursor $cursor_ptr \
2190        -xscrollcommand {.vpane.files.index.sx set} \
2191        -yscrollcommand {.vpane.files.index.sy set} \
2192        -state disabled
2193scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2194scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2195pack .vpane.files.index.title -side top -fill x
2196pack .vpane.files.index.sx -side bottom -fill x
2197pack .vpane.files.index.sy -side right -fill y
2198pack $ui_index -side left -fill both -expand 1
2199.vpane.files add .vpane.files.index -sticky nsew
2200
2201# -- Working Directory File List
2202#
2203frame .vpane.files.workdir -height 100 -width 200
2204label .vpane.files.workdir.title -text [mc "Unstaged Changes (Will Not Be Committed)"] \
2205        -background lightsalmon
2206text $ui_workdir -background white -borderwidth 0 \
2207        -width 20 -height 10 \
2208        -wrap none \
2209        -cursor $cursor_ptr \
2210        -xscrollcommand {.vpane.files.workdir.sx set} \
2211        -yscrollcommand {.vpane.files.workdir.sy set} \
2212        -state disabled
2213scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2214scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2215pack .vpane.files.workdir.title -side top -fill x
2216pack .vpane.files.workdir.sx -side bottom -fill x
2217pack .vpane.files.workdir.sy -side right -fill y
2218pack $ui_workdir -side left -fill both -expand 1
2219.vpane.files add .vpane.files.workdir -sticky nsew
2220
2221foreach i [list $ui_index $ui_workdir] {
2222        rmsel_tag $i
2223        $i tag conf in_diff -background [$i tag cget in_sel -background]
2224}
2225unset i
2226
2227# -- Diff and Commit Area
2228#
2229frame .vpane.lower -height 300 -width 400
2230frame .vpane.lower.commarea
2231frame .vpane.lower.diff -relief sunken -borderwidth 1
2232pack .vpane.lower.commarea -side top -fill x
2233pack .vpane.lower.diff -side bottom -fill both -expand 1
2234.vpane add .vpane.lower -sticky nsew
2235
2236# -- Commit Area Buttons
2237#
2238frame .vpane.lower.commarea.buttons
2239label .vpane.lower.commarea.buttons.l -text {} \
2240        -anchor w \
2241        -justify left
2242pack .vpane.lower.commarea.buttons.l -side top -fill x
2243pack .vpane.lower.commarea.buttons -side left -fill y
2244
2245button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2246        -command do_rescan
2247pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2248lappend disable_on_lock \
2249        {.vpane.lower.commarea.buttons.rescan conf -state}
2250
2251button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2252        -command do_add_all
2253pack .vpane.lower.commarea.buttons.incall -side top -fill x
2254lappend disable_on_lock \
2255        {.vpane.lower.commarea.buttons.incall conf -state}
2256
2257button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2258        -command do_signoff
2259pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2260
2261button .vpane.lower.commarea.buttons.commit -text [mc Commit@@verb] \
2262        -command do_commit
2263pack .vpane.lower.commarea.buttons.commit -side top -fill x
2264lappend disable_on_lock \
2265        {.vpane.lower.commarea.buttons.commit conf -state}
2266
2267button .vpane.lower.commarea.buttons.push -text [mc Push] \
2268        -command do_push_anywhere
2269pack .vpane.lower.commarea.buttons.push -side top -fill x
2270
2271# -- Commit Message Buffer
2272#
2273frame .vpane.lower.commarea.buffer
2274frame .vpane.lower.commarea.buffer.header
2275set ui_comm .vpane.lower.commarea.buffer.t
2276set ui_coml .vpane.lower.commarea.buffer.header.l
2277radiobutton .vpane.lower.commarea.buffer.header.new \
2278        -text [mc "New Commit"] \
2279        -command do_select_commit_type \
2280        -variable selected_commit_type \
2281        -value new
2282lappend disable_on_lock \
2283        [list .vpane.lower.commarea.buffer.header.new conf -state]
2284radiobutton .vpane.lower.commarea.buffer.header.amend \
2285        -text [mc "Amend Last Commit"] \
2286        -command do_select_commit_type \
2287        -variable selected_commit_type \
2288        -value amend
2289lappend disable_on_lock \
2290        [list .vpane.lower.commarea.buffer.header.amend conf -state]
2291label $ui_coml \
2292        -anchor w \
2293        -justify left
2294proc trace_commit_type {varname args} {
2295        global ui_coml commit_type
2296        switch -glob -- $commit_type {
2297        initial       {set txt [mc "Initial Commit Message:"]}
2298        amend         {set txt [mc "Amended Commit Message:"]}
2299        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2300        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2301        merge         {set txt [mc "Merge Commit Message:"]}
2302        *             {set txt [mc "Commit Message:"]}
2303        }
2304        $ui_coml conf -text $txt
2305}
2306trace add variable commit_type write trace_commit_type
2307pack $ui_coml -side left -fill x
2308pack .vpane.lower.commarea.buffer.header.amend -side right
2309pack .vpane.lower.commarea.buffer.header.new -side right
2310
2311text $ui_comm -background white -borderwidth 1 \
2312        -undo true \
2313        -maxundo 20 \
2314        -autoseparators true \
2315        -relief sunken \
2316        -width 75 -height 9 -wrap none \
2317        -font font_diff \
2318        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2319scrollbar .vpane.lower.commarea.buffer.sby \
2320        -command [list $ui_comm yview]
2321pack .vpane.lower.commarea.buffer.header -side top -fill x
2322pack .vpane.lower.commarea.buffer.sby -side right -fill y
2323pack $ui_comm -side left -fill y
2324pack .vpane.lower.commarea.buffer -side left -fill y
2325
2326# -- Commit Message Buffer Context Menu
2327#
2328set ctxm .vpane.lower.commarea.buffer.ctxm
2329menu $ctxm -tearoff 0
2330$ctxm add command \
2331        -label [mc Cut] \
2332        -command {tk_textCut $ui_comm}
2333$ctxm add command \
2334        -label [mc Copy] \
2335        -command {tk_textCopy $ui_comm}
2336$ctxm add command \
2337        -label [mc Paste] \
2338        -command {tk_textPaste $ui_comm}
2339$ctxm add command \
2340        -label [mc Delete] \
2341        -command {$ui_comm delete sel.first sel.last}
2342$ctxm add separator
2343$ctxm add command \
2344        -label [mc "Select All"] \
2345        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2346$ctxm add command \
2347        -label [mc "Copy All"] \
2348        -command {
2349                $ui_comm tag add sel 0.0 end
2350                tk_textCopy $ui_comm
2351                $ui_comm tag remove sel 0.0 end
2352        }
2353$ctxm add separator
2354$ctxm add command \
2355        -label [mc "Sign Off"] \
2356        -command do_signoff
2357bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
2358
2359# -- Diff Header
2360#
2361proc trace_current_diff_path {varname args} {
2362        global current_diff_path diff_actions file_states
2363        if {$current_diff_path eq {}} {
2364                set s {}
2365                set f {}
2366                set p {}
2367                set o disabled
2368        } else {
2369                set p $current_diff_path
2370                set s [mapdesc [lindex $file_states($p) 0] $p]
2371                set f [mc "File:"]
2372                set p [escape_path $p]
2373                set o normal
2374        }
2375
2376        .vpane.lower.diff.header.status configure -text $s
2377        .vpane.lower.diff.header.file configure -text $f
2378        .vpane.lower.diff.header.path configure -text $p
2379        foreach w $diff_actions {
2380                uplevel #0 $w $o
2381        }
2382}
2383trace add variable current_diff_path write trace_current_diff_path
2384
2385frame .vpane.lower.diff.header -background gold
2386label .vpane.lower.diff.header.status \
2387        -background gold \
2388        -width $max_status_desc \
2389        -anchor w \
2390        -justify left
2391label .vpane.lower.diff.header.file \
2392        -background gold \
2393        -anchor w \
2394        -justify left
2395label .vpane.lower.diff.header.path \
2396        -background gold \
2397        -anchor w \
2398        -justify left
2399pack .vpane.lower.diff.header.status -side left
2400pack .vpane.lower.diff.header.file -side left
2401pack .vpane.lower.diff.header.path -fill x
2402set ctxm .vpane.lower.diff.header.ctxm
2403menu $ctxm -tearoff 0
2404$ctxm add command \
2405        -label [mc Copy] \
2406        -command {
2407                clipboard clear
2408                clipboard append \
2409                        -format STRING \
2410                        -type STRING \
2411                        -- $current_diff_path
2412        }
2413lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2414bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
2415
2416# -- Diff Body
2417#
2418frame .vpane.lower.diff.body
2419set ui_diff .vpane.lower.diff.body.t
2420text $ui_diff -background white -borderwidth 0 \
2421        -width 80 -height 15 -wrap none \
2422        -font font_diff \
2423        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
2424        -yscrollcommand {.vpane.lower.diff.body.sby set} \
2425        -state disabled
2426scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
2427        -command [list $ui_diff xview]
2428scrollbar .vpane.lower.diff.body.sby -orient vertical \
2429        -command [list $ui_diff yview]
2430pack .vpane.lower.diff.body.sbx -side bottom -fill x
2431pack .vpane.lower.diff.body.sby -side right -fill y
2432pack $ui_diff -side left -fill both -expand 1
2433pack .vpane.lower.diff.header -side top -fill x
2434pack .vpane.lower.diff.body -side bottom -fill both -expand 1
2435
2436$ui_diff tag conf d_cr -elide true
2437$ui_diff tag conf d_@ -foreground blue -font font_diffbold
2438$ui_diff tag conf d_+ -foreground {#00a000}
2439$ui_diff tag conf d_- -foreground red
2440
2441$ui_diff tag conf d_++ -foreground {#00a000}
2442$ui_diff tag conf d_-- -foreground red
2443$ui_diff tag conf d_+s \
2444        -foreground {#00a000} \
2445        -background {#e2effa}
2446$ui_diff tag conf d_-s \
2447        -foreground red \
2448        -background {#e2effa}
2449$ui_diff tag conf d_s+ \
2450        -foreground {#00a000} \
2451        -background ivory1
2452$ui_diff tag conf d_s- \
2453        -foreground red \
2454        -background ivory1
2455
2456$ui_diff tag conf d<<<<<<< \
2457        -foreground orange \
2458        -font font_diffbold
2459$ui_diff tag conf d======= \
2460        -foreground orange \
2461        -font font_diffbold
2462$ui_diff tag conf d>>>>>>> \
2463        -foreground orange \
2464        -font font_diffbold
2465
2466$ui_diff tag raise sel
2467
2468# -- Diff Body Context Menu
2469#
2470set ctxm .vpane.lower.diff.body.ctxm
2471menu $ctxm -tearoff 0
2472$ctxm add command \
2473        -label [mc Refresh] \
2474        -command reshow_diff
2475lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2476$ctxm add command \
2477        -label [mc Copy] \
2478        -command {tk_textCopy $ui_diff}
2479lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2480$ctxm add command \
2481        -label [mc "Select All"] \
2482        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
2483lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2484$ctxm add command \
2485        -label [mc "Copy All"] \
2486        -command {
2487                $ui_diff tag add sel 0.0 end
2488                tk_textCopy $ui_diff
2489                $ui_diff tag remove sel 0.0 end
2490        }
2491lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2492$ctxm add separator
2493$ctxm add command \
2494        -label [mc "Apply/Reverse Hunk"] \
2495        -command {apply_hunk $cursorX $cursorY}
2496set ui_diff_applyhunk [$ctxm index last]
2497lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
2498$ctxm add separator
2499$ctxm add command \
2500        -label [mc "Decrease Font Size"] \
2501        -command {incr_font_size font_diff -1}
2502lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2503$ctxm add command \
2504        -label [mc "Increase Font Size"] \
2505        -command {incr_font_size font_diff 1}
2506lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2507$ctxm add separator
2508$ctxm add command \
2509        -label [mc "Show Less Context"] \
2510        -command {if {$repo_config(gui.diffcontext) >= 1} {
2511                incr repo_config(gui.diffcontext) -1
2512                reshow_diff
2513        }}
2514lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2515$ctxm add command \
2516        -label [mc "Show More Context"] \
2517        -command {if {$repo_config(gui.diffcontext) < 99} {
2518                incr repo_config(gui.diffcontext)
2519                reshow_diff
2520        }}
2521lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2522$ctxm add separator
2523$ctxm add command -label [mc "Options..."] \
2524        -command do_options
2525proc popup_diff_menu {ctxm x y X Y} {
2526        global current_diff_path file_states
2527        set ::cursorX $x
2528        set ::cursorY $y
2529        if {$::ui_index eq $::current_diff_side} {
2530                set l [mc "Unstage Hunk From Commit"]
2531        } else {
2532                set l [mc "Stage Hunk For Commit"]
2533        }
2534        if {$::is_3way_diff
2535                || $current_diff_path eq {}
2536                || ![info exists file_states($current_diff_path)]
2537                || {_O} eq [lindex $file_states($current_diff_path) 0]} {
2538                set s disabled
2539        } else {
2540                set s normal
2541        }
2542        $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
2543        tk_popup $ctxm $X $Y
2544}
2545bind_button3 $ui_diff [list popup_diff_menu $ctxm %x %y %X %Y]
2546
2547# -- Status Bar
2548#
2549set main_status [::status_bar::new .status]
2550pack .status -anchor w -side bottom -fill x
2551$main_status show [mc "Initializing..."]
2552
2553# -- Load geometry
2554#
2555catch {
2556set gm $repo_config(gui.geometry)
2557wm geometry . [lindex $gm 0]
2558.vpane sash place 0 \
2559        [lindex [.vpane sash coord 0] 0] \
2560        [lindex $gm 1]
2561.vpane.files sash place 0 \
2562        [lindex $gm 2] \
2563        [lindex [.vpane.files sash coord 0] 1]
2564unset gm
2565}
2566
2567# -- Key Bindings
2568#
2569bind $ui_comm <$M1B-Key-Return> {do_commit;break}
2570bind $ui_comm <$M1B-Key-i> {do_add_all;break}
2571bind $ui_comm <$M1B-Key-I> {do_add_all;break}
2572bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
2573bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
2574bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
2575bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
2576bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
2577bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
2578bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2579bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2580
2581bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
2582bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
2583bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
2584bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
2585bind $ui_diff <$M1B-Key-v> {break}
2586bind $ui_diff <$M1B-Key-V> {break}
2587bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2588bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2589bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
2590bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
2591bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
2592bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
2593bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
2594bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
2595bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
2596bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
2597bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
2598bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
2599bind $ui_diff <Button-1>   {focus %W}
2600
2601if {[is_enabled branch]} {
2602        bind . <$M1B-Key-n> branch_create::dialog
2603        bind . <$M1B-Key-N> branch_create::dialog
2604        bind . <$M1B-Key-o> branch_checkout::dialog
2605        bind . <$M1B-Key-O> branch_checkout::dialog
2606        bind . <$M1B-Key-m> merge::dialog
2607        bind . <$M1B-Key-M> merge::dialog
2608}
2609if {[is_enabled transport]} {
2610        bind . <$M1B-Key-p> do_push_anywhere
2611        bind . <$M1B-Key-P> do_push_anywhere
2612}
2613
2614bind .   <Key-F5>     do_rescan
2615bind .   <$M1B-Key-r> do_rescan
2616bind .   <$M1B-Key-R> do_rescan
2617bind .   <$M1B-Key-s> do_signoff
2618bind .   <$M1B-Key-S> do_signoff
2619bind .   <$M1B-Key-i> do_add_all
2620bind .   <$M1B-Key-I> do_add_all
2621bind .   <$M1B-Key-Return> do_commit
2622foreach i [list $ui_index $ui_workdir] {
2623        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
2624        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
2625        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
2626}
2627unset i
2628
2629set file_lists($ui_index) [list]
2630set file_lists($ui_workdir) [list]
2631
2632wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
2633focus -force $ui_comm
2634
2635# -- Warn the user about environmental problems.  Cygwin's Tcl
2636#    does *not* pass its env array onto any processes it spawns.
2637#    This means that git processes get none of our environment.
2638#
2639if {[is_Cygwin]} {
2640        set ignored_env 0
2641        set suggest_user {}
2642        set msg [mc "Possible environment issues exist.
2643
2644The following environment variables are probably
2645going to be ignored by any Git subprocess run
2646by %s:
2647
2648" [appname]]
2649        foreach name [array names env] {
2650                switch -regexp -- $name {
2651                {^GIT_INDEX_FILE$} -
2652                {^GIT_OBJECT_DIRECTORY$} -
2653                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
2654                {^GIT_DIFF_OPTS$} -
2655                {^GIT_EXTERNAL_DIFF$} -
2656                {^GIT_PAGER$} -
2657                {^GIT_TRACE$} -
2658                {^GIT_CONFIG$} -
2659                {^GIT_CONFIG_LOCAL$} -
2660                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
2661                        append msg " - $name\n"
2662                        incr ignored_env
2663                }
2664                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
2665                        append msg " - $name\n"
2666                        incr ignored_env
2667                        set suggest_user $name
2668                }
2669                }
2670        }
2671        if {$ignored_env > 0} {
2672                append msg [mc "
2673This is due to a known issue with the
2674Tcl binary distributed by Cygwin."]
2675
2676                if {$suggest_user ne {}} {
2677                        append msg [mc "
2678
2679A good replacement for %s
2680is placing values for the user.name and
2681user.email settings into your personal
2682~/.gitconfig file.
2683" $suggest_user]
2684                }
2685                warn_popup $msg
2686        }
2687        unset ignored_env msg suggest_user name
2688}
2689
2690# -- Only initialize complex UI if we are going to stay running.
2691#
2692if {[is_enabled transport]} {
2693        load_all_remotes
2694
2695        populate_fetch_menu
2696        populate_push_menu
2697}
2698
2699if {[winfo exists $ui_comm]} {
2700        set GITGUI_BCK_exists [load_message GITGUI_BCK]
2701
2702        # -- If both our backup and message files exist use the
2703        #    newer of the two files to initialize the buffer.
2704        #
2705        if {$GITGUI_BCK_exists} {
2706                set m [gitdir GITGUI_MSG]
2707                if {[file isfile $m]} {
2708                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
2709                                catch {file delete [gitdir GITGUI_MSG]}
2710                        } else {
2711                                $ui_comm delete 0.0 end
2712                                $ui_comm edit reset
2713                                $ui_comm edit modified false
2714                                catch {file delete [gitdir GITGUI_BCK]}
2715                                set GITGUI_BCK_exists 0
2716                        }
2717                }
2718                unset m
2719        }
2720
2721        proc backup_commit_buffer {} {
2722                global ui_comm GITGUI_BCK_exists
2723
2724                set m [$ui_comm edit modified]
2725                if {$m || $GITGUI_BCK_exists} {
2726                        set msg [string trim [$ui_comm get 0.0 end]]
2727                        regsub -all -line {[ \r\t]+$} $msg {} msg
2728
2729                        if {$msg eq {}} {
2730                                if {$GITGUI_BCK_exists} {
2731                                        catch {file delete [gitdir GITGUI_BCK]}
2732                                        set GITGUI_BCK_exists 0
2733                                }
2734                        } elseif {$m} {
2735                                catch {
2736                                        set fd [open [gitdir GITGUI_BCK] w]
2737                                        puts -nonewline $fd $msg
2738                                        close $fd
2739                                        set GITGUI_BCK_exists 1
2740                                }
2741                        }
2742
2743                        $ui_comm edit modified false
2744                }
2745
2746                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
2747        }
2748
2749        backup_commit_buffer
2750}
2751
2752lock_index begin-read
2753if {![winfo ismapped .]} {
2754        wm deiconify .
2755}
2756after 1 do_rescan
2757if {[is_enabled multicommit]} {
2758        after 1000 hint_gc
2759}