git-gui / git-gui.shon commit .mailmap: René Scharfe has a new email address (76053e7)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52set oguilib {@@GITGUI_LIBDIR@@}
  53set oguirel {@@GITGUI_RELATIVE@@}
  54if {$oguirel eq {1}} {
  55        set oguilib [file dirname [file normalize $argv0]]
  56        if {[file tail $oguilib] eq {git-core}} {
  57                set oguilib [file dirname $oguilib]
  58        }
  59        set oguilib [file dirname $oguilib]
  60        set oguilib [file join $oguilib share git-gui lib]
  61        set oguimsg [file join $oguilib msgs]
  62} elseif {[string match @@* $oguirel]} {
  63        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65} else {
  66        set oguimsg [file join $oguilib msgs]
  67}
  68unset oguirel
  69
  70######################################################################
  71##
  72## enable verbose loading?
  73
  74if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75        unset _verbose
  76        rename auto_load real__auto_load
  77        proc auto_load {name args} {
  78                puts stderr "auto_load $name"
  79                return [uplevel 1 real__auto_load $name $args]
  80        }
  81        rename source real__source
  82        proc source {name} {
  83                puts stderr "source    $name"
  84                uplevel 1 real__source $name
  85        }
  86        if {[tk windowingsystem] eq "win32"} { console show }
  87}
  88
  89######################################################################
  90##
  91## Internationalization (i18n) through msgcat and gettext. See
  92## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  93
  94package require msgcat
  95
  96# Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
  97if {[tk windowingsystem] eq "win32"
  98        && [package vcompare [package provide msgcat] 1.4.4] < 0
  99} then {
 100        proc _mc_update_locale {} {
 101                set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 102                if {![catch {
 103                        package require registry
 104                        set uilocale [registry get $key "PreferredUILanguages"]
 105                        msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 106                } uilocale]} {
 107                        if {[string length $uilocale] > 0} {
 108                                msgcat::mclocale $uilocale
 109                        }
 110                }
 111        }
 112        _mc_update_locale
 113}
 114
 115proc _mc_trim {fmt} {
 116        set cmk [string first @@ $fmt]
 117        if {$cmk > 0} {
 118                return [string range $fmt 0 [expr {$cmk - 1}]]
 119        }
 120        return $fmt
 121}
 122
 123proc mc {en_fmt args} {
 124        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 125        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 126                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 127        }
 128        return $msg
 129}
 130
 131proc strcat {args} {
 132        return [join $args {}]
 133}
 134
 135::msgcat::mcload $oguimsg
 136unset oguimsg
 137
 138######################################################################
 139##
 140## On Mac, bring the current Wish process window to front
 141
 142if {[tk windowingsystem] eq "aqua"} {
 143        catch {
 144                exec osascript -e [format {
 145                        tell application "System Events"
 146                                set frontmost of processes whose unix id is %d to true
 147                        end tell
 148                } [pid]]
 149        }
 150}
 151
 152######################################################################
 153##
 154## read only globals
 155
 156set _appname {Git Gui}
 157set _gitdir {}
 158set _gitworktree {}
 159set _isbare {}
 160set _gitexec {}
 161set _githtmldir {}
 162set _reponame {}
 163set _iscygwin {}
 164set _search_path {}
 165set _shellpath {@@SHELL_PATH@@}
 166
 167set _trace [lsearch -exact $argv --trace]
 168if {$_trace >= 0} {
 169        set argv [lreplace $argv $_trace $_trace]
 170        set _trace 1
 171        if {[tk windowingsystem] eq "win32"} { console show }
 172} else {
 173        set _trace 0
 174}
 175
 176# variable for the last merged branch (useful for a default when deleting
 177# branches).
 178set _last_merged_branch {}
 179
 180proc shellpath {} {
 181        global _shellpath env
 182        if {[string match @@* $_shellpath]} {
 183                if {[info exists env(SHELL)]} {
 184                        return $env(SHELL)
 185                } else {
 186                        return /bin/sh
 187                }
 188        }
 189        return $_shellpath
 190}
 191
 192proc appname {} {
 193        global _appname
 194        return $_appname
 195}
 196
 197proc gitdir {args} {
 198        global _gitdir
 199        if {$args eq {}} {
 200                return $_gitdir
 201        }
 202        return [eval [list file join $_gitdir] $args]
 203}
 204
 205proc gitexec {args} {
 206        global _gitexec
 207        if {$_gitexec eq {}} {
 208                if {[catch {set _gitexec [git --exec-path]} err]} {
 209                        error "Git not installed?\n\n$err"
 210                }
 211                if {[is_Cygwin]} {
 212                        set _gitexec [exec cygpath \
 213                                --windows \
 214                                --absolute \
 215                                $_gitexec]
 216                } else {
 217                        set _gitexec [file normalize $_gitexec]
 218                }
 219        }
 220        if {$args eq {}} {
 221                return $_gitexec
 222        }
 223        return [eval [list file join $_gitexec] $args]
 224}
 225
 226proc githtmldir {args} {
 227        global _githtmldir
 228        if {$_githtmldir eq {}} {
 229                if {[catch {set _githtmldir [git --html-path]}]} {
 230                        # Git not installed or option not yet supported
 231                        return {}
 232                }
 233                if {[is_Cygwin]} {
 234                        set _githtmldir [exec cygpath \
 235                                --windows \
 236                                --absolute \
 237                                $_githtmldir]
 238                } else {
 239                        set _githtmldir [file normalize $_githtmldir]
 240                }
 241        }
 242        if {$args eq {}} {
 243                return $_githtmldir
 244        }
 245        return [eval [list file join $_githtmldir] $args]
 246}
 247
 248proc reponame {} {
 249        return $::_reponame
 250}
 251
 252proc is_MacOSX {} {
 253        if {[tk windowingsystem] eq {aqua}} {
 254                return 1
 255        }
 256        return 0
 257}
 258
 259proc is_Windows {} {
 260        if {$::tcl_platform(platform) eq {windows}} {
 261                return 1
 262        }
 263        return 0
 264}
 265
 266proc is_Cygwin {} {
 267        global _iscygwin
 268        if {$_iscygwin eq {}} {
 269                if {$::tcl_platform(platform) eq {windows}} {
 270                        if {[catch {set p [exec cygpath --windir]} err]} {
 271                                set _iscygwin 0
 272                        } else {
 273                                set _iscygwin 1
 274                        }
 275                } else {
 276                        set _iscygwin 0
 277                }
 278        }
 279        return $_iscygwin
 280}
 281
 282proc is_enabled {option} {
 283        global enabled_options
 284        if {[catch {set on $enabled_options($option)}]} {return 0}
 285        return $on
 286}
 287
 288proc enable_option {option} {
 289        global enabled_options
 290        set enabled_options($option) 1
 291}
 292
 293proc disable_option {option} {
 294        global enabled_options
 295        set enabled_options($option) 0
 296}
 297
 298######################################################################
 299##
 300## config
 301
 302proc is_many_config {name} {
 303        switch -glob -- $name {
 304        gui.recentrepo -
 305        remote.*.fetch -
 306        remote.*.push
 307                {return 1}
 308        *
 309                {return 0}
 310        }
 311}
 312
 313proc is_config_true {name} {
 314        global repo_config
 315        if {[catch {set v $repo_config($name)}]} {
 316                return 0
 317        }
 318        set v [string tolower $v]
 319        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 320                return 1
 321        } else {
 322                return 0
 323        }
 324}
 325
 326proc is_config_false {name} {
 327        global repo_config
 328        if {[catch {set v $repo_config($name)}]} {
 329                return 0
 330        }
 331        set v [string tolower $v]
 332        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 333                return 1
 334        } else {
 335                return 0
 336        }
 337}
 338
 339proc get_config {name} {
 340        global repo_config
 341        if {[catch {set v $repo_config($name)}]} {
 342                return {}
 343        } else {
 344                return $v
 345        }
 346}
 347
 348proc is_bare {} {
 349        global _isbare
 350        global _gitdir
 351        global _gitworktree
 352
 353        if {$_isbare eq {}} {
 354                if {[catch {
 355                        set _bare [git rev-parse --is-bare-repository]
 356                        switch  -- $_bare {
 357                        true { set _isbare 1 }
 358                        false { set _isbare 0}
 359                        default { throw }
 360                        }
 361                }]} {
 362                        if {[is_config_true core.bare]
 363                                || ($_gitworktree eq {}
 364                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 365                                set _isbare 1
 366                        } else {
 367                                set _isbare 0
 368                        }
 369                }
 370        }
 371        return $_isbare
 372}
 373
 374######################################################################
 375##
 376## handy utils
 377
 378proc _trace_exec {cmd} {
 379        if {!$::_trace} return
 380        set d {}
 381        foreach v $cmd {
 382                if {$d ne {}} {
 383                        append d { }
 384                }
 385                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 386                        set v [sq $v]
 387                }
 388                append d $v
 389        }
 390        puts stderr $d
 391}
 392
 393#'"  fix poor old emacs font-lock mode
 394
 395proc _git_cmd {name} {
 396        global _git_cmd_path
 397
 398        if {[catch {set v $_git_cmd_path($name)}]} {
 399                switch -- $name {
 400                  version   -
 401                --version   -
 402                --exec-path { return [list $::_git $name] }
 403                }
 404
 405                set p [gitexec git-$name$::_search_exe]
 406                if {[file exists $p]} {
 407                        set v [list $p]
 408                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 409                        # Try to determine what sort of magic will make
 410                        # git-$name go and do its thing, because native
 411                        # Tcl on Windows doesn't know it.
 412                        #
 413                        set p [gitexec git-$name]
 414                        set f [open $p r]
 415                        set s [gets $f]
 416                        close $f
 417
 418                        switch -glob -- [lindex $s 0] {
 419                        #!*sh     { set i sh     }
 420                        #!*perl   { set i perl   }
 421                        #!*python { set i python }
 422                        default   { error "git-$name is not supported: $s" }
 423                        }
 424
 425                        upvar #0 _$i interp
 426                        if {![info exists interp]} {
 427                                set interp [_which $i]
 428                        }
 429                        if {$interp eq {}} {
 430                                error "git-$name requires $i (not in PATH)"
 431                        }
 432                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 433                } else {
 434                        # Assume it is builtin to git somehow and we
 435                        # aren't actually able to see a file for it.
 436                        #
 437                        set v [list $::_git $name]
 438                }
 439                set _git_cmd_path($name) $v
 440        }
 441        return $v
 442}
 443
 444proc _which {what args} {
 445        global env _search_exe _search_path
 446
 447        if {$_search_path eq {}} {
 448                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 449                        set _search_path [split [exec cygpath \
 450                                --windows \
 451                                --path \
 452                                --absolute \
 453                                $env(PATH)] {;}]
 454                        set _search_exe .exe
 455                } elseif {[is_Windows]} {
 456                        set gitguidir [file dirname [info script]]
 457                        regsub -all ";" $gitguidir "\\;" gitguidir
 458                        set env(PATH) "$gitguidir;$env(PATH)"
 459                        set _search_path [split $env(PATH) {;}]
 460                        set _search_exe .exe
 461                } else {
 462                        set _search_path [split $env(PATH) :]
 463                        set _search_exe {}
 464                }
 465        }
 466
 467        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 468                set suffix {}
 469        } else {
 470                set suffix $_search_exe
 471        }
 472
 473        foreach p $_search_path {
 474                set p [file join $p $what$suffix]
 475                if {[file exists $p]} {
 476                        return [file normalize $p]
 477                }
 478        }
 479        return {}
 480}
 481
 482# Test a file for a hashbang to identify executable scripts on Windows.
 483proc is_shellscript {filename} {
 484        if {![file exists $filename]} {return 0}
 485        set f [open $filename r]
 486        fconfigure $f -encoding binary
 487        set magic [read $f 2]
 488        close $f
 489        return [expr {$magic eq "#!"}]
 490}
 491
 492# Run a command connected via pipes on stdout.
 493# This is for use with textconv filters and uses sh -c "..." to allow it to
 494# contain a command with arguments. On windows we must check for shell
 495# scripts specifically otherwise just call the filter command.
 496proc open_cmd_pipe {cmd path} {
 497        global env
 498        if {![file executable [shellpath]]} {
 499                set exe [auto_execok [lindex $cmd 0]]
 500                if {[is_shellscript [lindex $exe 0]]} {
 501                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 502                } else {
 503                        set run [concat $exe [lrange $cmd 1 end] $path]
 504                }
 505        } else {
 506                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 507        }
 508        return [open |$run r]
 509}
 510
 511proc _lappend_nice {cmd_var} {
 512        global _nice
 513        upvar $cmd_var cmd
 514
 515        if {![info exists _nice]} {
 516                set _nice [_which nice]
 517                if {[catch {exec $_nice git version}]} {
 518                        set _nice {}
 519                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 520                        set _nice {}
 521                }
 522        }
 523        if {$_nice ne {}} {
 524                lappend cmd $_nice
 525        }
 526}
 527
 528proc git {args} {
 529        set opt [list]
 530
 531        while {1} {
 532                switch -- [lindex $args 0] {
 533                --nice {
 534                        _lappend_nice opt
 535                }
 536
 537                default {
 538                        break
 539                }
 540
 541                }
 542
 543                set args [lrange $args 1 end]
 544        }
 545
 546        set cmdp [_git_cmd [lindex $args 0]]
 547        set args [lrange $args 1 end]
 548
 549        _trace_exec [concat $opt $cmdp $args]
 550        set result [eval exec $opt $cmdp $args]
 551        if {$::_trace} {
 552                puts stderr "< $result"
 553        }
 554        return $result
 555}
 556
 557proc _open_stdout_stderr {cmd} {
 558        _trace_exec $cmd
 559        if {[catch {
 560                        set fd [open [concat [list | ] $cmd] r]
 561                } err]} {
 562                if {   [lindex $cmd end] eq {2>@1}
 563                    && $err eq {can not find channel named "1"}
 564                        } {
 565                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 566                        # redirect operator.  Fallback to |& cat for those.
 567                        # The command was not actually started, so its safe
 568                        # to try to start it a second time.
 569                        #
 570                        set fd [open [concat \
 571                                [list | ] \
 572                                [lrange $cmd 0 end-1] \
 573                                [list |& cat] \
 574                                ] r]
 575                } else {
 576                        error $err
 577                }
 578        }
 579        fconfigure $fd -eofchar {}
 580        return $fd
 581}
 582
 583proc git_read {args} {
 584        set opt [list]
 585
 586        while {1} {
 587                switch -- [lindex $args 0] {
 588                --nice {
 589                        _lappend_nice opt
 590                }
 591
 592                --stderr {
 593                        lappend args 2>@1
 594                }
 595
 596                default {
 597                        break
 598                }
 599
 600                }
 601
 602                set args [lrange $args 1 end]
 603        }
 604
 605        set cmdp [_git_cmd [lindex $args 0]]
 606        set args [lrange $args 1 end]
 607
 608        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 609}
 610
 611proc git_write {args} {
 612        set opt [list]
 613
 614        while {1} {
 615                switch -- [lindex $args 0] {
 616                --nice {
 617                        _lappend_nice opt
 618                }
 619
 620                default {
 621                        break
 622                }
 623
 624                }
 625
 626                set args [lrange $args 1 end]
 627        }
 628
 629        set cmdp [_git_cmd [lindex $args 0]]
 630        set args [lrange $args 1 end]
 631
 632        _trace_exec [concat $opt $cmdp $args]
 633        return [open [concat [list | ] $opt $cmdp $args] w]
 634}
 635
 636proc githook_read {hook_name args} {
 637        set pchook [gitdir hooks $hook_name]
 638        lappend args 2>@1
 639
 640        # On Windows [file executable] might lie so we need to ask
 641        # the shell if the hook is executable.  Yes that's annoying.
 642        #
 643        if {[is_Windows]} {
 644                upvar #0 _sh interp
 645                if {![info exists interp]} {
 646                        set interp [_which sh]
 647                }
 648                if {$interp eq {}} {
 649                        error "hook execution requires sh (not in PATH)"
 650                }
 651
 652                set scr {if test -x "$1";then exec "$@";fi}
 653                set sh_c [list $interp -c $scr $interp $pchook]
 654                return [_open_stdout_stderr [concat $sh_c $args]]
 655        }
 656
 657        if {[file executable $pchook]} {
 658                return [_open_stdout_stderr [concat [list $pchook] $args]]
 659        }
 660
 661        return {}
 662}
 663
 664proc kill_file_process {fd} {
 665        set process [pid $fd]
 666
 667        catch {
 668                if {[is_Windows]} {
 669                        # Use a Cygwin-specific flag to allow killing
 670                        # native Windows processes
 671                        exec kill -f $process
 672                } else {
 673                        exec kill $process
 674                }
 675        }
 676}
 677
 678proc gitattr {path attr default} {
 679        if {[catch {set r [git check-attr $attr -- $path]}]} {
 680                set r unspecified
 681        } else {
 682                set r [join [lrange [split $r :] 2 end] :]
 683                regsub {^ } $r {} r
 684        }
 685        if {$r eq {unspecified}} {
 686                return $default
 687        }
 688        return $r
 689}
 690
 691proc sq {value} {
 692        regsub -all ' $value "'\\''" value
 693        return "'$value'"
 694}
 695
 696proc load_current_branch {} {
 697        global current_branch is_detached
 698
 699        set fd [open [gitdir HEAD] r]
 700        if {[gets $fd ref] < 1} {
 701                set ref {}
 702        }
 703        close $fd
 704
 705        set pfx {ref: refs/heads/}
 706        set len [string length $pfx]
 707        if {[string equal -length $len $pfx $ref]} {
 708                # We're on a branch.  It might not exist.  But
 709                # HEAD looks good enough to be a branch.
 710                #
 711                set current_branch [string range $ref $len end]
 712                set is_detached 0
 713        } else {
 714                # Assume this is a detached head.
 715                #
 716                set current_branch HEAD
 717                set is_detached 1
 718        }
 719}
 720
 721auto_load tk_optionMenu
 722rename tk_optionMenu real__tkOptionMenu
 723proc tk_optionMenu {w varName args} {
 724        set m [eval real__tkOptionMenu $w $varName $args]
 725        $m configure -font font_ui
 726        $w configure -font font_ui
 727        return $m
 728}
 729
 730proc rmsel_tag {text} {
 731        $text tag conf sel \
 732                -background [$text cget -background] \
 733                -foreground [$text cget -foreground] \
 734                -borderwidth 0
 735        $text tag conf in_sel -background lightgray
 736        bind $text <Motion> break
 737        return $text
 738}
 739
 740wm withdraw .
 741set root_exists 0
 742bind . <Visibility> {
 743        bind . <Visibility> {}
 744        set root_exists 1
 745}
 746
 747if {[is_Windows]} {
 748        wm iconbitmap . -default $oguilib/git-gui.ico
 749        set ::tk::AlwaysShowSelection 1
 750        bind . <Control-F2> {console show}
 751
 752        # Spoof an X11 display for SSH
 753        if {![info exists env(DISPLAY)]} {
 754                set env(DISPLAY) :9999
 755        }
 756} else {
 757        catch {
 758                image create photo gitlogo -width 16 -height 16
 759
 760                gitlogo put #33CC33 -to  7  0  9  2
 761                gitlogo put #33CC33 -to  4  2 12  4
 762                gitlogo put #33CC33 -to  7  4  9  6
 763                gitlogo put #CC3333 -to  4  6 12  8
 764                gitlogo put gray26  -to  4  9  6 10
 765                gitlogo put gray26  -to  3 10  6 12
 766                gitlogo put gray26  -to  8  9 13 11
 767                gitlogo put gray26  -to  8 11 10 12
 768                gitlogo put gray26  -to 11 11 13 14
 769                gitlogo put gray26  -to  3 12  5 14
 770                gitlogo put gray26  -to  5 13
 771                gitlogo put gray26  -to 10 13
 772                gitlogo put gray26  -to  4 14 12 15
 773                gitlogo put gray26  -to  5 15 11 16
 774                gitlogo redither
 775
 776                image create photo gitlogo32 -width 32 -height 32
 777                gitlogo32 copy gitlogo -zoom 2 2
 778
 779                wm iconphoto . -default gitlogo gitlogo32
 780        }
 781}
 782
 783######################################################################
 784##
 785## config defaults
 786
 787set cursor_ptr arrow
 788font create font_ui
 789if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 790        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 791        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 792} else {
 793        font create font_diff -family Courier -size 10
 794        catch {
 795                label .dummy
 796                eval font configure font_ui [font actual [.dummy cget -font]]
 797                destroy .dummy
 798        }
 799}
 800
 801font create font_uiitalic
 802font create font_uibold
 803font create font_diffbold
 804font create font_diffitalic
 805
 806foreach class {Button Checkbutton Entry Label
 807                Labelframe Listbox Message
 808                Radiobutton Spinbox Text} {
 809        option add *$class.font font_ui
 810}
 811if {![is_MacOSX]} {
 812        option add *Menu.font font_ui
 813        option add *Entry.borderWidth 1 startupFile
 814        option add *Entry.relief sunken startupFile
 815        option add *RadioButton.anchor w startupFile
 816}
 817unset class
 818
 819if {[is_Windows] || [is_MacOSX]} {
 820        option add *Menu.tearOff 0
 821}
 822
 823if {[is_MacOSX]} {
 824        set M1B M1
 825        set M1T Cmd
 826} else {
 827        set M1B Control
 828        set M1T Ctrl
 829}
 830
 831proc bind_button3 {w cmd} {
 832        bind $w <Any-Button-3> $cmd
 833        if {[is_MacOSX]} {
 834                # Mac OS X sends Button-2 on right click through three-button mouse,
 835                # or through trackpad right-clicking (two-finger touch + click).
 836                bind $w <Any-Button-2> $cmd
 837                bind $w <Control-Button-1> $cmd
 838        }
 839}
 840
 841proc apply_config {} {
 842        global repo_config font_descs
 843
 844        foreach option $font_descs {
 845                set name [lindex $option 0]
 846                set font [lindex $option 1]
 847                if {[catch {
 848                        set need_weight 1
 849                        foreach {cn cv} $repo_config(gui.$name) {
 850                                if {$cn eq {-weight}} {
 851                                        set need_weight 0
 852                                }
 853                                font configure $font $cn $cv
 854                        }
 855                        if {$need_weight} {
 856                                font configure $font -weight normal
 857                        }
 858                        } err]} {
 859                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 860                }
 861                foreach {cn cv} [font configure $font] {
 862                        font configure ${font}bold $cn $cv
 863                        font configure ${font}italic $cn $cv
 864                }
 865                font configure ${font}bold -weight bold
 866                font configure ${font}italic -slant italic
 867        }
 868
 869        global use_ttk NS
 870        set use_ttk 0
 871        set NS {}
 872        if {$repo_config(gui.usettk)} {
 873                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 874                if {$use_ttk} {
 875                        set NS ttk
 876                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 877                        pave_toplevel .
 878                }
 879        }
 880}
 881
 882set default_config(branch.autosetupmerge) true
 883set default_config(merge.tool) {}
 884set default_config(mergetool.keepbackup) true
 885set default_config(merge.diffstat) true
 886set default_config(merge.summary) false
 887set default_config(merge.verbosity) 2
 888set default_config(user.name) {}
 889set default_config(user.email) {}
 890
 891set default_config(gui.encoding) [encoding system]
 892set default_config(gui.matchtrackingbranch) false
 893set default_config(gui.textconv) true
 894set default_config(gui.pruneduringfetch) false
 895set default_config(gui.trustmtime) false
 896set default_config(gui.fastcopyblame) false
 897set default_config(gui.copyblamethreshold) 40
 898set default_config(gui.blamehistoryctx) 7
 899set default_config(gui.diffcontext) 5
 900set default_config(gui.diffopts) {}
 901set default_config(gui.commitmsgwidth) 75
 902set default_config(gui.newbranchtemplate) {}
 903set default_config(gui.spellingdictionary) {}
 904set default_config(gui.fontui) [font configure font_ui]
 905set default_config(gui.fontdiff) [font configure font_diff]
 906# TODO: this option should be added to the git-config documentation
 907set default_config(gui.maxfilesdisplayed) 5000
 908set default_config(gui.usettk) 1
 909set default_config(gui.warndetachedcommit) 1
 910set font_descs {
 911        {fontui   font_ui   {mc "Main Font"}}
 912        {fontdiff font_diff {mc "Diff/Console Font"}}
 913}
 914set default_config(gui.stageuntracked) ask
 915
 916######################################################################
 917##
 918## find git
 919
 920set _git  [_which git]
 921if {$_git eq {}} {
 922        catch {wm withdraw .}
 923        tk_messageBox \
 924                -icon error \
 925                -type ok \
 926                -title [mc "git-gui: fatal error"] \
 927                -message [mc "Cannot find git in PATH."]
 928        exit 1
 929}
 930
 931######################################################################
 932##
 933## version check
 934
 935if {[catch {set _git_version [git --version]} err]} {
 936        catch {wm withdraw .}
 937        tk_messageBox \
 938                -icon error \
 939                -type ok \
 940                -title [mc "git-gui: fatal error"] \
 941                -message "Cannot determine Git version:
 942
 943$err
 944
 945[appname] requires Git 1.5.0 or later."
 946        exit 1
 947}
 948if {![regsub {^git version } $_git_version {} _git_version]} {
 949        catch {wm withdraw .}
 950        tk_messageBox \
 951                -icon error \
 952                -type ok \
 953                -title [mc "git-gui: fatal error"] \
 954                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 955        exit 1
 956}
 957
 958proc get_trimmed_version {s} {
 959    set r {}
 960    foreach x [split $s -._] {
 961        if {[string is integer -strict $x]} {
 962            lappend r $x
 963        } else {
 964            break
 965        }
 966    }
 967    return [join $r .]
 968}
 969set _real_git_version $_git_version
 970set _git_version [get_trimmed_version $_git_version]
 971
 972if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 973        catch {wm withdraw .}
 974        if {[tk_messageBox \
 975                -icon warning \
 976                -type yesno \
 977                -default no \
 978                -title "[appname]: warning" \
 979                 -message [mc "Git version cannot be determined.
 980
 981%s claims it is version '%s'.
 982
 983%s requires at least Git 1.5.0 or later.
 984
 985Assume '%s' is version 1.5.0?
 986" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 987                set _git_version 1.5.0
 988        } else {
 989                exit 1
 990        }
 991}
 992unset _real_git_version
 993
 994proc git-version {args} {
 995        global _git_version
 996
 997        switch [llength $args] {
 998        0 {
 999                return $_git_version
1000        }
1001
1002        2 {
1003                set op [lindex $args 0]
1004                set vr [lindex $args 1]
1005                set cm [package vcompare $_git_version $vr]
1006                return [expr $cm $op 0]
1007        }
1008
1009        4 {
1010                set type [lindex $args 0]
1011                set name [lindex $args 1]
1012                set parm [lindex $args 2]
1013                set body [lindex $args 3]
1014
1015                if {($type ne {proc} && $type ne {method})} {
1016                        error "Invalid arguments to git-version"
1017                }
1018                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1019                        error "Last arm of $type $name must be default"
1020                }
1021
1022                foreach {op vr cb} [lrange $body 0 end-2] {
1023                        if {[git-version $op $vr]} {
1024                                return [uplevel [list $type $name $parm $cb]]
1025                        }
1026                }
1027
1028                return [uplevel [list $type $name $parm [lindex $body end]]]
1029        }
1030
1031        default {
1032                error "git-version >= x"
1033        }
1034
1035        }
1036}
1037
1038if {[git-version < 1.5]} {
1039        catch {wm withdraw .}
1040        tk_messageBox \
1041                -icon error \
1042                -type ok \
1043                -title [mc "git-gui: fatal error"] \
1044                -message "[appname] requires Git 1.5.0 or later.
1045
1046You are using [git-version]:
1047
1048[git --version]"
1049        exit 1
1050}
1051
1052######################################################################
1053##
1054## configure our library
1055
1056set idx [file join $oguilib tclIndex]
1057if {[catch {set fd [open $idx r]} err]} {
1058        catch {wm withdraw .}
1059        tk_messageBox \
1060                -icon error \
1061                -type ok \
1062                -title [mc "git-gui: fatal error"] \
1063                -message $err
1064        exit 1
1065}
1066if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1067        set idx [list]
1068        while {[gets $fd n] >= 0} {
1069                if {$n ne {} && ![string match #* $n]} {
1070                        lappend idx $n
1071                }
1072        }
1073} else {
1074        set idx {}
1075}
1076close $fd
1077
1078if {$idx ne {}} {
1079        set loaded [list]
1080        foreach p $idx {
1081                if {[lsearch -exact $loaded $p] >= 0} continue
1082                source [file join $oguilib $p]
1083                lappend loaded $p
1084        }
1085        unset loaded p
1086} else {
1087        set auto_path [concat [list $oguilib] $auto_path]
1088}
1089unset -nocomplain idx fd
1090
1091######################################################################
1092##
1093## config file parsing
1094
1095git-version proc _parse_config {arr_name args} {
1096        >= 1.5.3 {
1097                upvar $arr_name arr
1098                array unset arr
1099                set buf {}
1100                catch {
1101                        set fd_rc [eval \
1102                                [list git_read config] \
1103                                $args \
1104                                [list --null --list]]
1105                        fconfigure $fd_rc -translation binary
1106                        set buf [read $fd_rc]
1107                        close $fd_rc
1108                }
1109                foreach line [split $buf "\0"] {
1110                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1111                                if {[is_many_config $name]} {
1112                                        lappend arr($name) $value
1113                                } else {
1114                                        set arr($name) $value
1115                                }
1116                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1117                                # no value given, but interpreting them as
1118                                # boolean will be handled as true
1119                                set arr($name) {}
1120                        }
1121                }
1122        }
1123        default {
1124                upvar $arr_name arr
1125                array unset arr
1126                catch {
1127                        set fd_rc [eval [list git_read config --list] $args]
1128                        while {[gets $fd_rc line] >= 0} {
1129                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1130                                        if {[is_many_config $name]} {
1131                                                lappend arr($name) $value
1132                                        } else {
1133                                                set arr($name) $value
1134                                        }
1135                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1136                                        # no value given, but interpreting them as
1137                                        # boolean will be handled as true
1138                                        set arr($name) {}
1139                                }
1140                        }
1141                        close $fd_rc
1142                }
1143        }
1144}
1145
1146proc load_config {include_global} {
1147        global repo_config global_config system_config default_config
1148
1149        if {$include_global} {
1150                _parse_config system_config --system
1151                _parse_config global_config --global
1152        }
1153        _parse_config repo_config
1154
1155        foreach name [array names default_config] {
1156                if {[catch {set v $system_config($name)}]} {
1157                        set system_config($name) $default_config($name)
1158                }
1159        }
1160        foreach name [array names system_config] {
1161                if {[catch {set v $global_config($name)}]} {
1162                        set global_config($name) $system_config($name)
1163                }
1164                if {[catch {set v $repo_config($name)}]} {
1165                        set repo_config($name) $system_config($name)
1166                }
1167        }
1168}
1169
1170######################################################################
1171##
1172## feature option selection
1173
1174if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1175        unset _junk
1176} else {
1177        set subcommand gui
1178}
1179if {$subcommand eq {gui.sh}} {
1180        set subcommand gui
1181}
1182if {$subcommand eq {gui} && [llength $argv] > 0} {
1183        set subcommand [lindex $argv 0]
1184        set argv [lrange $argv 1 end]
1185}
1186
1187enable_option multicommit
1188enable_option branch
1189enable_option transport
1190disable_option bare
1191
1192switch -- $subcommand {
1193browser -
1194blame {
1195        enable_option bare
1196
1197        disable_option multicommit
1198        disable_option branch
1199        disable_option transport
1200}
1201citool {
1202        enable_option singlecommit
1203        enable_option retcode
1204
1205        disable_option multicommit
1206        disable_option branch
1207        disable_option transport
1208
1209        while {[llength $argv] > 0} {
1210                set a [lindex $argv 0]
1211                switch -- $a {
1212                --amend {
1213                        enable_option initialamend
1214                }
1215                --nocommit {
1216                        enable_option nocommit
1217                        enable_option nocommitmsg
1218                }
1219                --commitmsg {
1220                        disable_option nocommitmsg
1221                }
1222                default {
1223                        break
1224                }
1225                }
1226
1227                set argv [lrange $argv 1 end]
1228        }
1229}
1230}
1231
1232######################################################################
1233##
1234## execution environment
1235
1236set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1237
1238# Suggest our implementation of askpass, if none is set
1239if {![info exists env(SSH_ASKPASS)]} {
1240        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1241}
1242
1243######################################################################
1244##
1245## repository setup
1246
1247set picked 0
1248if {[catch {
1249                set _gitdir $env(GIT_DIR)
1250                set _prefix {}
1251                }]
1252        && [catch {
1253                # beware that from the .git dir this sets _gitdir to .
1254                # and _prefix to the empty string
1255                set _gitdir [git rev-parse --git-dir]
1256                set _prefix [git rev-parse --show-prefix]
1257        } err]} {
1258        load_config 1
1259        apply_config
1260        choose_repository::pick
1261        set picked 1
1262}
1263
1264# we expand the _gitdir when it's just a single dot (i.e. when we're being
1265# run from the .git dir itself) lest the routines to find the worktree
1266# get confused
1267if {$_gitdir eq "."} {
1268        set _gitdir [pwd]
1269}
1270
1271if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1272        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1273}
1274if {![file isdirectory $_gitdir]} {
1275        catch {wm withdraw .}
1276        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1277        exit 1
1278}
1279# _gitdir exists, so try loading the config
1280load_config 0
1281apply_config
1282
1283# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1284if {[package vsatisfies $_git_version 1.7.0]} {
1285        set _gitworktree [git rev-parse --show-toplevel]
1286} else {
1287        # try to set work tree from environment, core.worktree or use
1288        # cdup to obtain a relative path to the top of the worktree. If
1289        # run from the top, the ./ prefix ensures normalize expands pwd.
1290        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1291                set _gitworktree [get_config core.worktree]
1292                if {$_gitworktree eq ""} {
1293                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1294                }
1295        }
1296}
1297
1298if {$_prefix ne {}} {
1299        if {$_gitworktree eq {}} {
1300                regsub -all {[^/]+/} $_prefix ../ cdup
1301        } else {
1302                set cdup $_gitworktree
1303        }
1304        if {[catch {cd $cdup} err]} {
1305                catch {wm withdraw .}
1306                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1307                exit 1
1308        }
1309        set _gitworktree [pwd]
1310        unset cdup
1311} elseif {![is_enabled bare]} {
1312        if {[is_bare]} {
1313                catch {wm withdraw .}
1314                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1315                exit 1
1316        }
1317        if {$_gitworktree eq {}} {
1318                set _gitworktree [file dirname $_gitdir]
1319        }
1320        if {[catch {cd $_gitworktree} err]} {
1321                catch {wm withdraw .}
1322                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1323                exit 1
1324        }
1325        set _gitworktree [pwd]
1326}
1327set _reponame [file split [file normalize $_gitdir]]
1328if {[lindex $_reponame end] eq {.git}} {
1329        set _reponame [lindex $_reponame end-1]
1330} else {
1331        set _reponame [lindex $_reponame end]
1332}
1333
1334set env(GIT_DIR) $_gitdir
1335set env(GIT_WORK_TREE) $_gitworktree
1336
1337######################################################################
1338##
1339## global init
1340
1341set current_diff_path {}
1342set current_diff_side {}
1343set diff_actions [list]
1344
1345set HEAD {}
1346set PARENT {}
1347set MERGE_HEAD [list]
1348set commit_type {}
1349set empty_tree {}
1350set current_branch {}
1351set is_detached 0
1352set current_diff_path {}
1353set is_3way_diff 0
1354set is_submodule_diff 0
1355set is_conflict_diff 0
1356set selected_commit_type new
1357set diff_empty_count 0
1358
1359set nullid "0000000000000000000000000000000000000000"
1360set nullid2 "0000000000000000000000000000000000000001"
1361
1362######################################################################
1363##
1364## task management
1365
1366set rescan_active 0
1367set diff_active 0
1368set last_clicked {}
1369
1370set disable_on_lock [list]
1371set index_lock_type none
1372
1373proc lock_index {type} {
1374        global index_lock_type disable_on_lock
1375
1376        if {$index_lock_type eq {none}} {
1377                set index_lock_type $type
1378                foreach w $disable_on_lock {
1379                        uplevel #0 $w disabled
1380                }
1381                return 1
1382        } elseif {$index_lock_type eq "begin-$type"} {
1383                set index_lock_type $type
1384                return 1
1385        }
1386        return 0
1387}
1388
1389proc unlock_index {} {
1390        global index_lock_type disable_on_lock
1391
1392        set index_lock_type none
1393        foreach w $disable_on_lock {
1394                uplevel #0 $w normal
1395        }
1396}
1397
1398######################################################################
1399##
1400## status
1401
1402proc repository_state {ctvar hdvar mhvar} {
1403        global current_branch
1404        upvar $ctvar ct $hdvar hd $mhvar mh
1405
1406        set mh [list]
1407
1408        load_current_branch
1409        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1410                set hd {}
1411                set ct initial
1412                return
1413        }
1414
1415        set merge_head [gitdir MERGE_HEAD]
1416        if {[file exists $merge_head]} {
1417                set ct merge
1418                set fd_mh [open $merge_head r]
1419                while {[gets $fd_mh line] >= 0} {
1420                        lappend mh $line
1421                }
1422                close $fd_mh
1423                return
1424        }
1425
1426        set ct normal
1427}
1428
1429proc PARENT {} {
1430        global PARENT empty_tree
1431
1432        set p [lindex $PARENT 0]
1433        if {$p ne {}} {
1434                return $p
1435        }
1436        if {$empty_tree eq {}} {
1437                set empty_tree [git mktree << {}]
1438        }
1439        return $empty_tree
1440}
1441
1442proc force_amend {} {
1443        global selected_commit_type
1444        global HEAD PARENT MERGE_HEAD commit_type
1445
1446        repository_state newType newHEAD newMERGE_HEAD
1447        set HEAD $newHEAD
1448        set PARENT $newHEAD
1449        set MERGE_HEAD $newMERGE_HEAD
1450        set commit_type $newType
1451
1452        set selected_commit_type amend
1453        do_select_commit_type
1454}
1455
1456proc rescan {after {honor_trustmtime 1}} {
1457        global HEAD PARENT MERGE_HEAD commit_type
1458        global ui_index ui_workdir ui_comm
1459        global rescan_active file_states
1460        global repo_config
1461
1462        if {$rescan_active > 0 || ![lock_index read]} return
1463
1464        repository_state newType newHEAD newMERGE_HEAD
1465        if {[string match amend* $commit_type]
1466                && $newType eq {normal}
1467                && $newHEAD eq $HEAD} {
1468        } else {
1469                set HEAD $newHEAD
1470                set PARENT $newHEAD
1471                set MERGE_HEAD $newMERGE_HEAD
1472                set commit_type $newType
1473        }
1474
1475        array unset file_states
1476
1477        if {!$::GITGUI_BCK_exists &&
1478                (![$ui_comm edit modified]
1479                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1480                if {[string match amend* $commit_type]} {
1481                } elseif {[load_message GITGUI_MSG utf-8]} {
1482                } elseif {[run_prepare_commit_msg_hook]} {
1483                } elseif {[load_message MERGE_MSG]} {
1484                } elseif {[load_message SQUASH_MSG]} {
1485                }
1486                $ui_comm edit reset
1487                $ui_comm edit modified false
1488        }
1489
1490        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1491                rescan_stage2 {} $after
1492        } else {
1493                set rescan_active 1
1494                ui_status [mc "Refreshing file status..."]
1495                set fd_rf [git_read update-index \
1496                        -q \
1497                        --unmerged \
1498                        --ignore-missing \
1499                        --refresh \
1500                        ]
1501                fconfigure $fd_rf -blocking 0 -translation binary
1502                fileevent $fd_rf readable \
1503                        [list rescan_stage2 $fd_rf $after]
1504        }
1505}
1506
1507if {[is_Cygwin]} {
1508        set is_git_info_exclude {}
1509        proc have_info_exclude {} {
1510                global is_git_info_exclude
1511
1512                if {$is_git_info_exclude eq {}} {
1513                        if {[catch {exec test -f [gitdir info exclude]}]} {
1514                                set is_git_info_exclude 0
1515                        } else {
1516                                set is_git_info_exclude 1
1517                        }
1518                }
1519                return $is_git_info_exclude
1520        }
1521} else {
1522        proc have_info_exclude {} {
1523                return [file readable [gitdir info exclude]]
1524        }
1525}
1526
1527proc rescan_stage2 {fd after} {
1528        global rescan_active buf_rdi buf_rdf buf_rlo
1529
1530        if {$fd ne {}} {
1531                read $fd
1532                if {![eof $fd]} return
1533                close $fd
1534        }
1535
1536        if {[package vsatisfies $::_git_version 1.6.3]} {
1537                set ls_others [list --exclude-standard]
1538        } else {
1539                set ls_others [list --exclude-per-directory=.gitignore]
1540                if {[have_info_exclude]} {
1541                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1542                }
1543                set user_exclude [get_config core.excludesfile]
1544                if {$user_exclude ne {} && [file readable $user_exclude]} {
1545                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1546                }
1547        }
1548
1549        set buf_rdi {}
1550        set buf_rdf {}
1551        set buf_rlo {}
1552
1553        set rescan_active 3
1554        ui_status [mc "Scanning for modified files ..."]
1555        set fd_di [git_read diff-index --cached -z [PARENT]]
1556        set fd_df [git_read diff-files -z]
1557        set fd_lo [eval git_read ls-files --others -z $ls_others]
1558
1559        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1560        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1561        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1562        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1563        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1564        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1565}
1566
1567proc load_message {file {encoding {}}} {
1568        global ui_comm
1569
1570        set f [gitdir $file]
1571        if {[file isfile $f]} {
1572                if {[catch {set fd [open $f r]}]} {
1573                        return 0
1574                }
1575                fconfigure $fd -eofchar {}
1576                if {$encoding ne {}} {
1577                        fconfigure $fd -encoding $encoding
1578                }
1579                set content [string trim [read $fd]]
1580                close $fd
1581                regsub -all -line {[ \r\t]+$} $content {} content
1582                $ui_comm delete 0.0 end
1583                $ui_comm insert end $content
1584                return 1
1585        }
1586        return 0
1587}
1588
1589proc run_prepare_commit_msg_hook {} {
1590        global pch_error
1591
1592        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1593        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1594        # empty file but existent file.
1595
1596        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1597
1598        if {[file isfile [gitdir MERGE_MSG]]} {
1599                set pcm_source "merge"
1600                set fd_mm [open [gitdir MERGE_MSG] r]
1601                puts -nonewline $fd_pcm [read $fd_mm]
1602                close $fd_mm
1603        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1604                set pcm_source "squash"
1605                set fd_sm [open [gitdir SQUASH_MSG] r]
1606                puts -nonewline $fd_pcm [read $fd_sm]
1607                close $fd_sm
1608        } else {
1609                set pcm_source ""
1610        }
1611
1612        close $fd_pcm
1613
1614        set fd_ph [githook_read prepare-commit-msg \
1615                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1616        if {$fd_ph eq {}} {
1617                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1618                return 0;
1619        }
1620
1621        ui_status [mc "Calling prepare-commit-msg hook..."]
1622        set pch_error {}
1623
1624        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1625        fileevent $fd_ph readable \
1626                [list prepare_commit_msg_hook_wait $fd_ph]
1627
1628        return 1;
1629}
1630
1631proc prepare_commit_msg_hook_wait {fd_ph} {
1632        global pch_error
1633
1634        append pch_error [read $fd_ph]
1635        fconfigure $fd_ph -blocking 1
1636        if {[eof $fd_ph]} {
1637                if {[catch {close $fd_ph}]} {
1638                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1639                        hook_failed_popup prepare-commit-msg $pch_error
1640                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1641                        exit 1
1642                } else {
1643                        load_message PREPARE_COMMIT_MSG
1644                }
1645                set pch_error {}
1646                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1647                return
1648        }
1649        fconfigure $fd_ph -blocking 0
1650        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1651}
1652
1653proc read_diff_index {fd after} {
1654        global buf_rdi
1655
1656        append buf_rdi [read $fd]
1657        set c 0
1658        set n [string length $buf_rdi]
1659        while {$c < $n} {
1660                set z1 [string first "\0" $buf_rdi $c]
1661                if {$z1 == -1} break
1662                incr z1
1663                set z2 [string first "\0" $buf_rdi $z1]
1664                if {$z2 == -1} break
1665
1666                incr c
1667                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1668                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1669                merge_state \
1670                        [encoding convertfrom $p] \
1671                        [lindex $i 4]? \
1672                        [list [lindex $i 0] [lindex $i 2]] \
1673                        [list]
1674                set c $z2
1675                incr c
1676        }
1677        if {$c < $n} {
1678                set buf_rdi [string range $buf_rdi $c end]
1679        } else {
1680                set buf_rdi {}
1681        }
1682
1683        rescan_done $fd buf_rdi $after
1684}
1685
1686proc read_diff_files {fd after} {
1687        global buf_rdf
1688
1689        append buf_rdf [read $fd]
1690        set c 0
1691        set n [string length $buf_rdf]
1692        while {$c < $n} {
1693                set z1 [string first "\0" $buf_rdf $c]
1694                if {$z1 == -1} break
1695                incr z1
1696                set z2 [string first "\0" $buf_rdf $z1]
1697                if {$z2 == -1} break
1698
1699                incr c
1700                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1701                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1702                merge_state \
1703                        [encoding convertfrom $p] \
1704                        ?[lindex $i 4] \
1705                        [list] \
1706                        [list [lindex $i 0] [lindex $i 2]]
1707                set c $z2
1708                incr c
1709        }
1710        if {$c < $n} {
1711                set buf_rdf [string range $buf_rdf $c end]
1712        } else {
1713                set buf_rdf {}
1714        }
1715
1716        rescan_done $fd buf_rdf $after
1717}
1718
1719proc read_ls_others {fd after} {
1720        global buf_rlo
1721
1722        append buf_rlo [read $fd]
1723        set pck [split $buf_rlo "\0"]
1724        set buf_rlo [lindex $pck end]
1725        foreach p [lrange $pck 0 end-1] {
1726                set p [encoding convertfrom $p]
1727                if {[string index $p end] eq {/}} {
1728                        set p [string range $p 0 end-1]
1729                }
1730                merge_state $p ?O
1731        }
1732        rescan_done $fd buf_rlo $after
1733}
1734
1735proc rescan_done {fd buf after} {
1736        global rescan_active current_diff_path
1737        global file_states repo_config
1738        upvar $buf to_clear
1739
1740        if {![eof $fd]} return
1741        set to_clear {}
1742        close $fd
1743        if {[incr rescan_active -1] > 0} return
1744
1745        prune_selection
1746        unlock_index
1747        display_all_files
1748        if {$current_diff_path ne {}} { reshow_diff $after }
1749        if {$current_diff_path eq {}} { select_first_diff $after }
1750}
1751
1752proc prune_selection {} {
1753        global file_states selected_paths
1754
1755        foreach path [array names selected_paths] {
1756                if {[catch {set still_here $file_states($path)}]} {
1757                        unset selected_paths($path)
1758                }
1759        }
1760}
1761
1762######################################################################
1763##
1764## ui helpers
1765
1766proc mapicon {w state path} {
1767        global all_icons
1768
1769        if {[catch {set r $all_icons($state$w)}]} {
1770                puts "error: no icon for $w state={$state} $path"
1771                return file_plain
1772        }
1773        return $r
1774}
1775
1776proc mapdesc {state path} {
1777        global all_descs
1778
1779        if {[catch {set r $all_descs($state)}]} {
1780                puts "error: no desc for state={$state} $path"
1781                return $state
1782        }
1783        return $r
1784}
1785
1786proc ui_status {msg} {
1787        global main_status
1788        if {[info exists main_status]} {
1789                $main_status show $msg
1790        }
1791}
1792
1793proc ui_ready {{test {}}} {
1794        global main_status
1795        if {[info exists main_status]} {
1796                $main_status show [mc "Ready."] $test
1797        }
1798}
1799
1800proc escape_path {path} {
1801        regsub -all {\\} $path "\\\\" path
1802        regsub -all "\n" $path "\\n" path
1803        return $path
1804}
1805
1806proc short_path {path} {
1807        return [escape_path [lindex [file split $path] end]]
1808}
1809
1810set next_icon_id 0
1811set null_sha1 [string repeat 0 40]
1812
1813proc merge_state {path new_state {head_info {}} {index_info {}}} {
1814        global file_states next_icon_id null_sha1
1815
1816        set s0 [string index $new_state 0]
1817        set s1 [string index $new_state 1]
1818
1819        if {[catch {set info $file_states($path)}]} {
1820                set state __
1821                set icon n[incr next_icon_id]
1822        } else {
1823                set state [lindex $info 0]
1824                set icon [lindex $info 1]
1825                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1826                if {$index_info eq {}} {set index_info [lindex $info 3]}
1827        }
1828
1829        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1830        elseif {$s0 eq {_}} {set s0 _}
1831
1832        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1833        elseif {$s1 eq {_}} {set s1 _}
1834
1835        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1836                set head_info [list 0 $null_sha1]
1837        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1838                && $head_info eq {}} {
1839                set head_info $index_info
1840        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1841                set index_info $head_info
1842                set head_info {}
1843        }
1844
1845        set file_states($path) [list $s0$s1 $icon \
1846                $head_info $index_info \
1847                ]
1848        return $state
1849}
1850
1851proc display_file_helper {w path icon_name old_m new_m} {
1852        global file_lists
1853
1854        if {$new_m eq {_}} {
1855                set lno [lsearch -sorted -exact $file_lists($w) $path]
1856                if {$lno >= 0} {
1857                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1858                        incr lno
1859                        $w conf -state normal
1860                        $w delete $lno.0 [expr {$lno + 1}].0
1861                        $w conf -state disabled
1862                }
1863        } elseif {$old_m eq {_} && $new_m ne {_}} {
1864                lappend file_lists($w) $path
1865                set file_lists($w) [lsort -unique $file_lists($w)]
1866                set lno [lsearch -sorted -exact $file_lists($w) $path]
1867                incr lno
1868                $w conf -state normal
1869                $w image create $lno.0 \
1870                        -align center -padx 5 -pady 1 \
1871                        -name $icon_name \
1872                        -image [mapicon $w $new_m $path]
1873                $w insert $lno.1 "[escape_path $path]\n"
1874                $w conf -state disabled
1875        } elseif {$old_m ne $new_m} {
1876                $w conf -state normal
1877                $w image conf $icon_name -image [mapicon $w $new_m $path]
1878                $w conf -state disabled
1879        }
1880}
1881
1882proc display_file {path state} {
1883        global file_states selected_paths
1884        global ui_index ui_workdir
1885
1886        set old_m [merge_state $path $state]
1887        set s $file_states($path)
1888        set new_m [lindex $s 0]
1889        set icon_name [lindex $s 1]
1890
1891        set o [string index $old_m 0]
1892        set n [string index $new_m 0]
1893        if {$o eq {U}} {
1894                set o _
1895        }
1896        if {$n eq {U}} {
1897                set n _
1898        }
1899        display_file_helper     $ui_index $path $icon_name $o $n
1900
1901        if {[string index $old_m 0] eq {U}} {
1902                set o U
1903        } else {
1904                set o [string index $old_m 1]
1905        }
1906        if {[string index $new_m 0] eq {U}} {
1907                set n U
1908        } else {
1909                set n [string index $new_m 1]
1910        }
1911        display_file_helper     $ui_workdir $path $icon_name $o $n
1912
1913        if {$new_m eq {__}} {
1914                unset file_states($path)
1915                catch {unset selected_paths($path)}
1916        }
1917}
1918
1919proc display_all_files_helper {w path icon_name m} {
1920        global file_lists
1921
1922        lappend file_lists($w) $path
1923        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1924        $w image create end \
1925                -align center -padx 5 -pady 1 \
1926                -name $icon_name \
1927                -image [mapicon $w $m $path]
1928        $w insert end "[escape_path $path]\n"
1929}
1930
1931set files_warning 0
1932proc display_all_files {} {
1933        global ui_index ui_workdir
1934        global file_states file_lists
1935        global last_clicked
1936        global files_warning
1937
1938        $ui_index conf -state normal
1939        $ui_workdir conf -state normal
1940
1941        $ui_index delete 0.0 end
1942        $ui_workdir delete 0.0 end
1943        set last_clicked {}
1944
1945        set file_lists($ui_index) [list]
1946        set file_lists($ui_workdir) [list]
1947
1948        set to_display [lsort [array names file_states]]
1949        set display_limit [get_config gui.maxfilesdisplayed]
1950        if {[llength $to_display] > $display_limit} {
1951                if {!$files_warning} {
1952                        # do not repeatedly warn:
1953                        set files_warning 1
1954                        info_popup [mc "Displaying only %s of %s files." \
1955                                $display_limit [llength $to_display]]
1956                }
1957                set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1958        }
1959        foreach path $to_display {
1960                set s $file_states($path)
1961                set m [lindex $s 0]
1962                set icon_name [lindex $s 1]
1963
1964                set s [string index $m 0]
1965                if {$s ne {U} && $s ne {_}} {
1966                        display_all_files_helper $ui_index $path \
1967                                $icon_name $s
1968                }
1969
1970                if {[string index $m 0] eq {U}} {
1971                        set s U
1972                } else {
1973                        set s [string index $m 1]
1974                }
1975                if {$s ne {_}} {
1976                        display_all_files_helper $ui_workdir $path \
1977                                $icon_name $s
1978                }
1979        }
1980
1981        $ui_index conf -state disabled
1982        $ui_workdir conf -state disabled
1983}
1984
1985######################################################################
1986##
1987## icons
1988
1989set filemask {
1990#define mask_width 14
1991#define mask_height 15
1992static unsigned char mask_bits[] = {
1993   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1994   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1995   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1996}
1997
1998image create bitmap file_plain -background white -foreground black -data {
1999#define plain_width 14
2000#define plain_height 15
2001static unsigned char plain_bits[] = {
2002   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2003   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2004   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2005} -maskdata $filemask
2006
2007image create bitmap file_mod -background white -foreground blue -data {
2008#define mod_width 14
2009#define mod_height 15
2010static unsigned char mod_bits[] = {
2011   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2012   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2013   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2014} -maskdata $filemask
2015
2016image create bitmap file_fulltick -background white -foreground "#007000" -data {
2017#define file_fulltick_width 14
2018#define file_fulltick_height 15
2019static unsigned char file_fulltick_bits[] = {
2020   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2021   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2022   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2023} -maskdata $filemask
2024
2025image create bitmap file_question -background white -foreground black -data {
2026#define file_question_width 14
2027#define file_question_height 15
2028static unsigned char file_question_bits[] = {
2029   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2030   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2031   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2032} -maskdata $filemask
2033
2034image create bitmap file_removed -background white -foreground red -data {
2035#define file_removed_width 14
2036#define file_removed_height 15
2037static unsigned char file_removed_bits[] = {
2038   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2039   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2040   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2041} -maskdata $filemask
2042
2043image create bitmap file_merge -background white -foreground blue -data {
2044#define file_merge_width 14
2045#define file_merge_height 15
2046static unsigned char file_merge_bits[] = {
2047   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2048   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2049   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2050} -maskdata $filemask
2051
2052image create bitmap file_statechange -background white -foreground green -data {
2053#define file_statechange_width 14
2054#define file_statechange_height 15
2055static unsigned char file_statechange_bits[] = {
2056   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2057   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2058   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2059} -maskdata $filemask
2060
2061set ui_index .vpane.files.index.list
2062set ui_workdir .vpane.files.workdir.list
2063
2064set all_icons(_$ui_index)   file_plain
2065set all_icons(A$ui_index)   file_plain
2066set all_icons(M$ui_index)   file_fulltick
2067set all_icons(D$ui_index)   file_removed
2068set all_icons(U$ui_index)   file_merge
2069set all_icons(T$ui_index)   file_statechange
2070
2071set all_icons(_$ui_workdir) file_plain
2072set all_icons(M$ui_workdir) file_mod
2073set all_icons(D$ui_workdir) file_question
2074set all_icons(U$ui_workdir) file_merge
2075set all_icons(O$ui_workdir) file_plain
2076set all_icons(T$ui_workdir) file_statechange
2077
2078set max_status_desc 0
2079foreach i {
2080                {__ {mc "Unmodified"}}
2081
2082                {_M {mc "Modified, not staged"}}
2083                {M_ {mc "Staged for commit"}}
2084                {MM {mc "Portions staged for commit"}}
2085                {MD {mc "Staged for commit, missing"}}
2086
2087                {_T {mc "File type changed, not staged"}}
2088                {MT {mc "File type changed, old type staged for commit"}}
2089                {AT {mc "File type changed, old type staged for commit"}}
2090                {T_ {mc "File type changed, staged"}}
2091                {TM {mc "File type change staged, modification not staged"}}
2092                {TD {mc "File type change staged, file missing"}}
2093
2094                {_O {mc "Untracked, not staged"}}
2095                {A_ {mc "Staged for commit"}}
2096                {AM {mc "Portions staged for commit"}}
2097                {AD {mc "Staged for commit, missing"}}
2098
2099                {_D {mc "Missing"}}
2100                {D_ {mc "Staged for removal"}}
2101                {DO {mc "Staged for removal, still present"}}
2102
2103                {_U {mc "Requires merge resolution"}}
2104                {U_ {mc "Requires merge resolution"}}
2105                {UU {mc "Requires merge resolution"}}
2106                {UM {mc "Requires merge resolution"}}
2107                {UD {mc "Requires merge resolution"}}
2108                {UT {mc "Requires merge resolution"}}
2109        } {
2110        set text [eval [lindex $i 1]]
2111        if {$max_status_desc < [string length $text]} {
2112                set max_status_desc [string length $text]
2113        }
2114        set all_descs([lindex $i 0]) $text
2115}
2116unset i
2117
2118######################################################################
2119##
2120## util
2121
2122proc scrollbar2many {list mode args} {
2123        foreach w $list {eval $w $mode $args}
2124}
2125
2126proc many2scrollbar {list mode sb top bottom} {
2127        $sb set $top $bottom
2128        foreach w $list {$w $mode moveto $top}
2129}
2130
2131proc incr_font_size {font {amt 1}} {
2132        set sz [font configure $font -size]
2133        incr sz $amt
2134        font configure $font -size $sz
2135        font configure ${font}bold -size $sz
2136        font configure ${font}italic -size $sz
2137}
2138
2139######################################################################
2140##
2141## ui commands
2142
2143set starting_gitk_msg [mc "Starting gitk... please wait..."]
2144
2145proc do_gitk {revs {is_submodule false}} {
2146        global current_diff_path file_states current_diff_side ui_index
2147        global _gitdir _gitworktree
2148
2149        # -- Always start gitk through whatever we were loaded with.  This
2150        #    lets us bypass using shell process on Windows systems.
2151        #
2152        set exe [_which gitk -script]
2153        set cmd [list [info nameofexecutable] $exe]
2154        if {$exe eq {}} {
2155                error_popup [mc "Couldn't find gitk in PATH"]
2156        } else {
2157                global env
2158
2159                set pwd [pwd]
2160
2161                if {!$is_submodule} {
2162                        if {![is_bare]} {
2163                                cd $_gitworktree
2164                        }
2165                } else {
2166                        cd $current_diff_path
2167                        if {$revs eq {--}} {
2168                                set s $file_states($current_diff_path)
2169                                set old_sha1 {}
2170                                set new_sha1 {}
2171                                switch -glob -- [lindex $s 0] {
2172                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2173                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2174                                MM {
2175                                        if {$current_diff_side eq $ui_index} {
2176                                                set old_sha1 [lindex [lindex $s 2] 1]
2177                                                set new_sha1 [lindex [lindex $s 3] 1]
2178                                        } else {
2179                                                set old_sha1 [lindex [lindex $s 3] 1]
2180                                        }
2181                                }
2182                                }
2183                                set revs $old_sha1...$new_sha1
2184                        }
2185                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2186                        # we've been using for the main repository, so unset them.
2187                        # TODO we could make life easier (start up faster?) for gitk
2188                        # by setting these to the appropriate values to allow gitk
2189                        # to skip the heuristics to find their proper value
2190                        unset env(GIT_DIR)
2191                        unset env(GIT_WORK_TREE)
2192                }
2193                eval exec $cmd $revs "--" "--" &
2194
2195                set env(GIT_DIR) $_gitdir
2196                set env(GIT_WORK_TREE) $_gitworktree
2197                cd $pwd
2198
2199                ui_status $::starting_gitk_msg
2200                after 10000 {
2201                        ui_ready $starting_gitk_msg
2202                }
2203        }
2204}
2205
2206proc do_git_gui {} {
2207        global current_diff_path
2208
2209        # -- Always start git gui through whatever we were loaded with.  This
2210        #    lets us bypass using shell process on Windows systems.
2211        #
2212        set exe [list [_which git]]
2213        if {$exe eq {}} {
2214                error_popup [mc "Couldn't find git gui in PATH"]
2215        } else {
2216                global env
2217                global _gitdir _gitworktree
2218
2219                # see note in do_gitk about unsetting these vars when
2220                # running tools in a submodule
2221                unset env(GIT_DIR)
2222                unset env(GIT_WORK_TREE)
2223
2224                set pwd [pwd]
2225                cd $current_diff_path
2226
2227                eval exec $exe gui &
2228
2229                set env(GIT_DIR) $_gitdir
2230                set env(GIT_WORK_TREE) $_gitworktree
2231                cd $pwd
2232
2233                ui_status $::starting_gitk_msg
2234                after 10000 {
2235                        ui_ready $starting_gitk_msg
2236                }
2237        }
2238}
2239
2240proc do_explore {} {
2241        global _gitworktree
2242        set explorer {}
2243        if {[is_Cygwin] || [is_Windows]} {
2244                set explorer "explorer.exe"
2245        } elseif {[is_MacOSX]} {
2246                set explorer "open"
2247        } else {
2248                # freedesktop.org-conforming system is our best shot
2249                set explorer "xdg-open"
2250        }
2251        eval exec $explorer [list [file nativename $_gitworktree]] &
2252}
2253
2254set is_quitting 0
2255set ret_code    1
2256
2257proc terminate_me {win} {
2258        global ret_code
2259        if {$win ne {.}} return
2260        exit $ret_code
2261}
2262
2263proc do_quit {{rc {1}}} {
2264        global ui_comm is_quitting repo_config commit_type
2265        global GITGUI_BCK_exists GITGUI_BCK_i
2266        global ui_comm_spell
2267        global ret_code use_ttk
2268
2269        if {$is_quitting} return
2270        set is_quitting 1
2271
2272        if {[winfo exists $ui_comm]} {
2273                # -- Stash our current commit buffer.
2274                #
2275                set save [gitdir GITGUI_MSG]
2276                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2277                        file rename -force [gitdir GITGUI_BCK] $save
2278                        set GITGUI_BCK_exists 0
2279                } else {
2280                        set msg [string trim [$ui_comm get 0.0 end]]
2281                        regsub -all -line {[ \r\t]+$} $msg {} msg
2282                        if {(![string match amend* $commit_type]
2283                                || [$ui_comm edit modified])
2284                                && $msg ne {}} {
2285                                catch {
2286                                        set fd [open $save w]
2287                                        fconfigure $fd -encoding utf-8
2288                                        puts -nonewline $fd $msg
2289                                        close $fd
2290                                }
2291                        } else {
2292                                catch {file delete $save}
2293                        }
2294                }
2295
2296                # -- Cancel our spellchecker if its running.
2297                #
2298                if {[info exists ui_comm_spell]} {
2299                        $ui_comm_spell stop
2300                }
2301
2302                # -- Remove our editor backup, its not needed.
2303                #
2304                after cancel $GITGUI_BCK_i
2305                if {$GITGUI_BCK_exists} {
2306                        catch {file delete [gitdir GITGUI_BCK]}
2307                }
2308
2309                # -- Stash our current window geometry into this repository.
2310                #
2311                set cfg_wmstate [wm state .]
2312                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2313                        set rc_wmstate {}
2314                }
2315                if {$cfg_wmstate ne $rc_wmstate} {
2316                        catch {git config gui.wmstate $cfg_wmstate}
2317                }
2318                if {$cfg_wmstate eq {zoomed}} {
2319                        # on Windows wm geometry will lie about window
2320                        # position (but not size) when window is zoomed
2321                        # restore the window before querying wm geometry
2322                        wm state . normal
2323                }
2324                set cfg_geometry [list]
2325                lappend cfg_geometry [wm geometry .]
2326                if {$use_ttk} {
2327                        lappend cfg_geometry [.vpane sashpos 0]
2328                        lappend cfg_geometry [.vpane.files sashpos 0]
2329                } else {
2330                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2331                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2332                }
2333                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2334                        set rc_geometry {}
2335                }
2336                if {$cfg_geometry ne $rc_geometry} {
2337                        catch {git config gui.geometry $cfg_geometry}
2338                }
2339        }
2340
2341        set ret_code $rc
2342
2343        # Briefly enable send again, working around Tk bug
2344        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2345        tk appname [appname]
2346
2347        destroy .
2348}
2349
2350proc do_rescan {} {
2351        rescan ui_ready
2352}
2353
2354proc ui_do_rescan {} {
2355        rescan {force_first_diff ui_ready}
2356}
2357
2358proc do_commit {} {
2359        commit_tree
2360}
2361
2362proc next_diff {{after {}}} {
2363        global next_diff_p next_diff_w next_diff_i
2364        show_diff $next_diff_p $next_diff_w {} {} $after
2365}
2366
2367proc find_anchor_pos {lst name} {
2368        set lid [lsearch -sorted -exact $lst $name]
2369
2370        if {$lid == -1} {
2371                set lid 0
2372                foreach lname $lst {
2373                        if {$lname >= $name} break
2374                        incr lid
2375                }
2376        }
2377
2378        return $lid
2379}
2380
2381proc find_file_from {flist idx delta path mmask} {
2382        global file_states
2383
2384        set len [llength $flist]
2385        while {$idx >= 0 && $idx < $len} {
2386                set name [lindex $flist $idx]
2387
2388                if {$name ne $path && [info exists file_states($name)]} {
2389                        set state [lindex $file_states($name) 0]
2390
2391                        if {$mmask eq {} || [regexp $mmask $state]} {
2392                                return $idx
2393                        }
2394                }
2395
2396                incr idx $delta
2397        }
2398
2399        return {}
2400}
2401
2402proc find_next_diff {w path {lno {}} {mmask {}}} {
2403        global next_diff_p next_diff_w next_diff_i
2404        global file_lists ui_index ui_workdir
2405
2406        set flist $file_lists($w)
2407        if {$lno eq {}} {
2408                set lno [find_anchor_pos $flist $path]
2409        } else {
2410                incr lno -1
2411        }
2412
2413        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2414                if {$w eq $ui_index} {
2415                        set mmask "^$mmask"
2416                } else {
2417                        set mmask "$mmask\$"
2418                }
2419        }
2420
2421        set idx [find_file_from $flist $lno 1 $path $mmask]
2422        if {$idx eq {}} {
2423                incr lno -1
2424                set idx [find_file_from $flist $lno -1 $path $mmask]
2425        }
2426
2427        if {$idx ne {}} {
2428                set next_diff_w $w
2429                set next_diff_p [lindex $flist $idx]
2430                set next_diff_i [expr {$idx+1}]
2431                return 1
2432        } else {
2433                return 0
2434        }
2435}
2436
2437proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2438        global current_diff_path
2439
2440        if {$path ne $current_diff_path} {
2441                return {}
2442        } elseif {[find_next_diff $w $path $lno $mmask]} {
2443                return {next_diff;}
2444        } else {
2445                return {reshow_diff;}
2446        }
2447}
2448
2449proc select_first_diff {after} {
2450        global ui_workdir
2451
2452        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2453            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2454                next_diff $after
2455        } else {
2456                uplevel #0 $after
2457        }
2458}
2459
2460proc force_first_diff {after} {
2461        global ui_workdir current_diff_path file_states
2462
2463        if {[info exists file_states($current_diff_path)]} {
2464                set state [lindex $file_states($current_diff_path) 0]
2465        } else {
2466                set state {OO}
2467        }
2468
2469        set reselect 0
2470        if {[string first {U} $state] >= 0} {
2471                # Already a conflict, do nothing
2472        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2473                set reselect 1
2474        } elseif {[string index $state 1] ne {O}} {
2475                # Already a diff & no conflicts, do nothing
2476        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2477                set reselect 1
2478        }
2479
2480        if {$reselect} {
2481                next_diff $after
2482        } else {
2483                uplevel #0 $after
2484        }
2485}
2486
2487proc toggle_or_diff {w x y} {
2488        global file_states file_lists current_diff_path ui_index ui_workdir
2489        global last_clicked selected_paths
2490
2491        set pos [split [$w index @$x,$y] .]
2492        set lno [lindex $pos 0]
2493        set col [lindex $pos 1]
2494        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2495        if {$path eq {}} {
2496                set last_clicked {}
2497                return
2498        }
2499
2500        set last_clicked [list $w $lno]
2501        array unset selected_paths
2502        $ui_index tag remove in_sel 0.0 end
2503        $ui_workdir tag remove in_sel 0.0 end
2504
2505        # Determine the state of the file
2506        if {[info exists file_states($path)]} {
2507                set state [lindex $file_states($path) 0]
2508        } else {
2509                set state {__}
2510        }
2511
2512        # Restage the file, or simply show the diff
2513        if {$col == 0 && $y > 1} {
2514                # Conflicts need special handling
2515                if {[string first {U} $state] >= 0} {
2516                        # $w must always be $ui_workdir, but...
2517                        if {$w ne $ui_workdir} { set lno {} }
2518                        merge_stage_workdir $path $lno
2519                        return
2520                }
2521
2522                if {[string index $state 1] eq {O}} {
2523                        set mmask {}
2524                } else {
2525                        set mmask {[^O]}
2526                }
2527
2528                set after [next_diff_after_action $w $path $lno $mmask]
2529
2530                if {$w eq $ui_index} {
2531                        update_indexinfo \
2532                                "Unstaging [short_path $path] from commit" \
2533                                [list $path] \
2534                                [concat $after [list ui_ready]]
2535                } elseif {$w eq $ui_workdir} {
2536                        update_index \
2537                                "Adding [short_path $path]" \
2538                                [list $path] \
2539                                [concat $after [list ui_ready]]
2540                }
2541        } else {
2542                set selected_paths($path) 1
2543                show_diff $path $w $lno
2544        }
2545}
2546
2547proc add_one_to_selection {w x y} {
2548        global file_lists last_clicked selected_paths
2549
2550        set lno [lindex [split [$w index @$x,$y] .] 0]
2551        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2552        if {$path eq {}} {
2553                set last_clicked {}
2554                return
2555        }
2556
2557        if {$last_clicked ne {}
2558                && [lindex $last_clicked 0] ne $w} {
2559                array unset selected_paths
2560                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2561        }
2562
2563        set last_clicked [list $w $lno]
2564        if {[catch {set in_sel $selected_paths($path)}]} {
2565                set in_sel 0
2566        }
2567        if {$in_sel} {
2568                unset selected_paths($path)
2569                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2570        } else {
2571                set selected_paths($path) 1
2572                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2573        }
2574}
2575
2576proc add_range_to_selection {w x y} {
2577        global file_lists last_clicked selected_paths
2578
2579        if {[lindex $last_clicked 0] ne $w} {
2580                toggle_or_diff $w $x $y
2581                return
2582        }
2583
2584        set lno [lindex [split [$w index @$x,$y] .] 0]
2585        set lc [lindex $last_clicked 1]
2586        if {$lc < $lno} {
2587                set begin $lc
2588                set end $lno
2589        } else {
2590                set begin $lno
2591                set end $lc
2592        }
2593
2594        foreach path [lrange $file_lists($w) \
2595                [expr {$begin - 1}] \
2596                [expr {$end - 1}]] {
2597                set selected_paths($path) 1
2598        }
2599        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2600}
2601
2602proc show_more_context {} {
2603        global repo_config
2604        if {$repo_config(gui.diffcontext) < 99} {
2605                incr repo_config(gui.diffcontext)
2606                reshow_diff
2607        }
2608}
2609
2610proc show_less_context {} {
2611        global repo_config
2612        if {$repo_config(gui.diffcontext) > 1} {
2613                incr repo_config(gui.diffcontext) -1
2614                reshow_diff
2615        }
2616}
2617
2618######################################################################
2619##
2620## ui construction
2621
2622set ui_comm {}
2623
2624# -- Menu Bar
2625#
2626menu .mbar -tearoff 0
2627if {[is_MacOSX]} {
2628        # -- Apple Menu (Mac OS X only)
2629        #
2630        .mbar add cascade -label Apple -menu .mbar.apple
2631        menu .mbar.apple
2632}
2633.mbar add cascade -label [mc Repository] -menu .mbar.repository
2634.mbar add cascade -label [mc Edit] -menu .mbar.edit
2635if {[is_enabled branch]} {
2636        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2637}
2638if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2639        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2640}
2641if {[is_enabled transport]} {
2642        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2643        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2644}
2645if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2646        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2647}
2648
2649# -- Repository Menu
2650#
2651menu .mbar.repository
2652
2653if {![is_bare]} {
2654        .mbar.repository add command \
2655                -label [mc "Explore Working Copy"] \
2656                -command {do_explore}
2657        .mbar.repository add separator
2658}
2659
2660.mbar.repository add command \
2661        -label [mc "Browse Current Branch's Files"] \
2662        -command {browser::new $current_branch}
2663set ui_browse_current [.mbar.repository index last]
2664.mbar.repository add command \
2665        -label [mc "Browse Branch Files..."] \
2666        -command browser_open::dialog
2667.mbar.repository add separator
2668
2669.mbar.repository add command \
2670        -label [mc "Visualize Current Branch's History"] \
2671        -command {do_gitk $current_branch}
2672set ui_visualize_current [.mbar.repository index last]
2673.mbar.repository add command \
2674        -label [mc "Visualize All Branch History"] \
2675        -command {do_gitk --all}
2676.mbar.repository add separator
2677
2678proc current_branch_write {args} {
2679        global current_branch
2680        .mbar.repository entryconf $::ui_browse_current \
2681                -label [mc "Browse %s's Files" $current_branch]
2682        .mbar.repository entryconf $::ui_visualize_current \
2683                -label [mc "Visualize %s's History" $current_branch]
2684}
2685trace add variable current_branch write current_branch_write
2686
2687if {[is_enabled multicommit]} {
2688        .mbar.repository add command -label [mc "Database Statistics"] \
2689                -command do_stats
2690
2691        .mbar.repository add command -label [mc "Compress Database"] \
2692                -command do_gc
2693
2694        .mbar.repository add command -label [mc "Verify Database"] \
2695                -command do_fsck_objects
2696
2697        .mbar.repository add separator
2698
2699        if {[is_Cygwin]} {
2700                .mbar.repository add command \
2701                        -label [mc "Create Desktop Icon"] \
2702                        -command do_cygwin_shortcut
2703        } elseif {[is_Windows]} {
2704                .mbar.repository add command \
2705                        -label [mc "Create Desktop Icon"] \
2706                        -command do_windows_shortcut
2707        } elseif {[is_MacOSX]} {
2708                .mbar.repository add command \
2709                        -label [mc "Create Desktop Icon"] \
2710                        -command do_macosx_app
2711        }
2712}
2713
2714if {[is_MacOSX]} {
2715        proc ::tk::mac::Quit {args} { do_quit }
2716} else {
2717        .mbar.repository add command -label [mc Quit] \
2718                -command do_quit \
2719                -accelerator $M1T-Q
2720}
2721
2722# -- Edit Menu
2723#
2724menu .mbar.edit
2725.mbar.edit add command -label [mc Undo] \
2726        -command {catch {[focus] edit undo}} \
2727        -accelerator $M1T-Z
2728.mbar.edit add command -label [mc Redo] \
2729        -command {catch {[focus] edit redo}} \
2730        -accelerator $M1T-Y
2731.mbar.edit add separator
2732.mbar.edit add command -label [mc Cut] \
2733        -command {catch {tk_textCut [focus]}} \
2734        -accelerator $M1T-X
2735.mbar.edit add command -label [mc Copy] \
2736        -command {catch {tk_textCopy [focus]}} \
2737        -accelerator $M1T-C
2738.mbar.edit add command -label [mc Paste] \
2739        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2740        -accelerator $M1T-V
2741.mbar.edit add command -label [mc Delete] \
2742        -command {catch {[focus] delete sel.first sel.last}} \
2743        -accelerator Del
2744.mbar.edit add separator
2745.mbar.edit add command -label [mc "Select All"] \
2746        -command {catch {[focus] tag add sel 0.0 end}} \
2747        -accelerator $M1T-A
2748
2749# -- Branch Menu
2750#
2751if {[is_enabled branch]} {
2752        menu .mbar.branch
2753
2754        .mbar.branch add command -label [mc "Create..."] \
2755                -command branch_create::dialog \
2756                -accelerator $M1T-N
2757        lappend disable_on_lock [list .mbar.branch entryconf \
2758                [.mbar.branch index last] -state]
2759
2760        .mbar.branch add command -label [mc "Checkout..."] \
2761                -command branch_checkout::dialog \
2762                -accelerator $M1T-O
2763        lappend disable_on_lock [list .mbar.branch entryconf \
2764                [.mbar.branch index last] -state]
2765
2766        .mbar.branch add command -label [mc "Rename..."] \
2767                -command branch_rename::dialog
2768        lappend disable_on_lock [list .mbar.branch entryconf \
2769                [.mbar.branch index last] -state]
2770
2771        .mbar.branch add command -label [mc "Delete..."] \
2772                -command branch_delete::dialog
2773        lappend disable_on_lock [list .mbar.branch entryconf \
2774                [.mbar.branch index last] -state]
2775
2776        .mbar.branch add command -label [mc "Reset..."] \
2777                -command merge::reset_hard
2778        lappend disable_on_lock [list .mbar.branch entryconf \
2779                [.mbar.branch index last] -state]
2780}
2781
2782# -- Commit Menu
2783#
2784proc commit_btn_caption {} {
2785        if {[is_enabled nocommit]} {
2786                return [mc "Done"]
2787        } else {
2788                return [mc Commit@@verb]
2789        }
2790}
2791
2792if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2793        menu .mbar.commit
2794
2795        if {![is_enabled nocommit]} {
2796                .mbar.commit add radiobutton \
2797                        -label [mc "New Commit"] \
2798                        -command do_select_commit_type \
2799                        -variable selected_commit_type \
2800                        -value new
2801                lappend disable_on_lock \
2802                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2803
2804                .mbar.commit add radiobutton \
2805                        -label [mc "Amend Last Commit"] \
2806                        -command do_select_commit_type \
2807                        -variable selected_commit_type \
2808                        -value amend
2809                lappend disable_on_lock \
2810                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2811
2812                .mbar.commit add separator
2813        }
2814
2815        .mbar.commit add command -label [mc Rescan] \
2816                -command ui_do_rescan \
2817                -accelerator F5
2818        lappend disable_on_lock \
2819                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2820
2821        .mbar.commit add command -label [mc "Stage To Commit"] \
2822                -command do_add_selection \
2823                -accelerator $M1T-T
2824        lappend disable_on_lock \
2825                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2826
2827        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2828                -command do_add_all \
2829                -accelerator $M1T-I
2830        lappend disable_on_lock \
2831                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2832
2833        .mbar.commit add command -label [mc "Unstage From Commit"] \
2834                -command do_unstage_selection \
2835                -accelerator $M1T-U
2836        lappend disable_on_lock \
2837                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2838
2839        .mbar.commit add command -label [mc "Revert Changes"] \
2840                -command do_revert_selection \
2841                -accelerator $M1T-J
2842        lappend disable_on_lock \
2843                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2844
2845        .mbar.commit add separator
2846
2847        .mbar.commit add command -label [mc "Show Less Context"] \
2848                -command show_less_context \
2849                -accelerator $M1T-\-
2850
2851        .mbar.commit add command -label [mc "Show More Context"] \
2852                -command show_more_context \
2853                -accelerator $M1T-=
2854
2855        .mbar.commit add separator
2856
2857        if {![is_enabled nocommitmsg]} {
2858                .mbar.commit add command -label [mc "Sign Off"] \
2859                        -command do_signoff \
2860                        -accelerator $M1T-S
2861        }
2862
2863        .mbar.commit add command -label [commit_btn_caption] \
2864                -command do_commit \
2865                -accelerator $M1T-Return
2866        lappend disable_on_lock \
2867                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2868}
2869
2870# -- Merge Menu
2871#
2872if {[is_enabled branch]} {
2873        menu .mbar.merge
2874        .mbar.merge add command -label [mc "Local Merge..."] \
2875                -command merge::dialog \
2876                -accelerator $M1T-M
2877        lappend disable_on_lock \
2878                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2879        .mbar.merge add command -label [mc "Abort Merge..."] \
2880                -command merge::reset_hard
2881        lappend disable_on_lock \
2882                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2883}
2884
2885# -- Transport Menu
2886#
2887if {[is_enabled transport]} {
2888        menu .mbar.remote
2889
2890        .mbar.remote add command \
2891                -label [mc "Add..."] \
2892                -command remote_add::dialog \
2893                -accelerator $M1T-A
2894        .mbar.remote add command \
2895                -label [mc "Push..."] \
2896                -command do_push_anywhere \
2897                -accelerator $M1T-P
2898        .mbar.remote add command \
2899                -label [mc "Delete Branch..."] \
2900                -command remote_branch_delete::dialog
2901}
2902
2903if {[is_MacOSX]} {
2904        proc ::tk::mac::ShowPreferences {} {do_options}
2905} else {
2906        # -- Edit Menu
2907        #
2908        .mbar.edit add separator
2909        .mbar.edit add command -label [mc "Options..."] \
2910                -command do_options
2911}
2912
2913# -- Tools Menu
2914#
2915if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2916        set tools_menubar .mbar.tools
2917        menu $tools_menubar
2918        $tools_menubar add separator
2919        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2920        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2921        set tools_tailcnt 3
2922        if {[array names repo_config guitool.*.cmd] ne {}} {
2923                tools_populate_all
2924        }
2925}
2926
2927# -- Help Menu
2928#
2929.mbar add cascade -label [mc Help] -menu .mbar.help
2930menu .mbar.help
2931
2932if {[is_MacOSX]} {
2933        .mbar.apple add command -label [mc "About %s" [appname]] \
2934                -command do_about
2935        .mbar.apple add separator
2936} else {
2937        .mbar.help add command -label [mc "About %s" [appname]] \
2938                -command do_about
2939}
2940. configure -menu .mbar
2941
2942set doc_path [githtmldir]
2943if {$doc_path ne {}} {
2944        set doc_path [file join $doc_path index.html]
2945
2946        if {[is_Cygwin]} {
2947                set doc_path [exec cygpath --mixed $doc_path]
2948        }
2949}
2950
2951if {[file isfile $doc_path]} {
2952        set doc_url "file:$doc_path"
2953} else {
2954        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2955}
2956
2957proc start_browser {url} {
2958        git "web--browse" $url
2959}
2960
2961.mbar.help add command -label [mc "Online Documentation"] \
2962        -command [list start_browser $doc_url]
2963
2964.mbar.help add command -label [mc "Show SSH Key"] \
2965        -command do_ssh_key
2966
2967unset doc_path doc_url
2968
2969# -- Standard bindings
2970#
2971wm protocol . WM_DELETE_WINDOW do_quit
2972bind all <$M1B-Key-q> do_quit
2973bind all <$M1B-Key-Q> do_quit
2974bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2975bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2976
2977set subcommand_args {}
2978proc usage {} {
2979        set s "usage: $::argv0 $::subcommand $::subcommand_args"
2980        if {[tk windowingsystem] eq "win32"} {
2981                wm withdraw .
2982                tk_messageBox -icon info -message $s \
2983                        -title [mc "Usage"]
2984        } else {
2985                puts stderr $s
2986        }
2987        exit 1
2988}
2989
2990proc normalize_relpath {path} {
2991        set elements {}
2992        foreach item [file split $path] {
2993                if {$item eq {.}} continue
2994                if {$item eq {..} && [llength $elements] > 0
2995                    && [lindex $elements end] ne {..}} {
2996                        set elements [lrange $elements 0 end-1]
2997                        continue
2998                }
2999                lappend elements $item
3000        }
3001        return [eval file join $elements]
3002}
3003
3004# -- Not a normal commit type invocation?  Do that instead!
3005#
3006switch -- $subcommand {
3007browser -
3008blame {
3009        if {$subcommand eq "blame"} {
3010                set subcommand_args {[--line=<num>] rev? path}
3011        } else {
3012                set subcommand_args {rev? path}
3013        }
3014        if {$argv eq {}} usage
3015        set head {}
3016        set path {}
3017        set jump_spec {}
3018        set is_path 0
3019        foreach a $argv {
3020                set p [file join $_prefix $a]
3021
3022                if {$is_path || [file exists $p]} {
3023                        if {$path ne {}} usage
3024                        set path [normalize_relpath $p]
3025                        break
3026                } elseif {$a eq {--}} {
3027                        if {$path ne {}} {
3028                                if {$head ne {}} usage
3029                                set head $path
3030                                set path {}
3031                        }
3032                        set is_path 1
3033                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3034                        if {$jump_spec ne {} || $head ne {}} usage
3035                        set jump_spec [list $lnum]
3036                } elseif {$head eq {}} {
3037                        if {$head ne {}} usage
3038                        set head $a
3039                        set is_path 1
3040                } else {
3041                        usage
3042                }
3043        }
3044        unset is_path
3045
3046        if {$head ne {} && $path eq {}} {
3047                if {[string index $head 0] eq {/}} {
3048                        set path [normalize_relpath $head]
3049                        set head {}
3050                } else {
3051                        set path [normalize_relpath $_prefix$head]
3052                        set head {}
3053                }
3054        }
3055
3056        if {$head eq {}} {
3057                load_current_branch
3058        } else {
3059                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3060                        if {[catch {
3061                                        set head [git rev-parse --verify $head]
3062                                } err]} {
3063                                if {[tk windowingsystem] eq "win32"} {
3064                                        tk_messageBox -icon error -title [mc Error] -message $err
3065                                } else {
3066                                        puts stderr $err
3067                                }
3068                                exit 1
3069                        }
3070                }
3071                set current_branch $head
3072        }
3073
3074        wm deiconify .
3075        switch -- $subcommand {
3076        browser {
3077                if {$jump_spec ne {}} usage
3078                if {$head eq {}} {
3079                        if {$path ne {} && [file isdirectory $path]} {
3080                                set head $current_branch
3081                        } else {
3082                                set head $path
3083                                set path {}
3084                        }
3085                }
3086                browser::new $head $path
3087        }
3088        blame   {
3089                if {$head eq {} && ![file exists $path]} {
3090                        catch {wm withdraw .}
3091                        tk_messageBox \
3092                                -icon error \
3093                                -type ok \
3094                                -title [mc "git-gui: fatal error"] \
3095                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3096                        exit 1
3097                }
3098                blame::new $head $path $jump_spec
3099        }
3100        }
3101        return
3102}
3103citool -
3104gui {
3105        if {[llength $argv] != 0} {
3106                usage
3107        }
3108        # fall through to setup UI for commits
3109}
3110default {
3111        set err "usage: $argv0 \[{blame|browser|citool}\]"
3112        if {[tk windowingsystem] eq "win32"} {
3113                wm withdraw .
3114                tk_messageBox -icon error -message $err \
3115                        -title [mc "Usage"]
3116        } else {
3117                puts stderr $err
3118        }
3119        exit 1
3120}
3121}
3122
3123# -- Branch Control
3124#
3125${NS}::frame .branch
3126if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3127${NS}::label .branch.l1 \
3128        -text [mc "Current Branch:"] \
3129        -anchor w \
3130        -justify left
3131${NS}::label .branch.cb \
3132        -textvariable current_branch \
3133        -anchor w \
3134        -justify left
3135pack .branch.l1 -side left
3136pack .branch.cb -side left -fill x
3137pack .branch -side top -fill x
3138
3139# -- Main Window Layout
3140#
3141${NS}::panedwindow .vpane -orient horizontal
3142${NS}::panedwindow .vpane.files -orient vertical
3143if {$use_ttk} {
3144        .vpane add .vpane.files
3145} else {
3146        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3147}
3148pack .vpane -anchor n -side top -fill both -expand 1
3149
3150# -- Index File List
3151#
3152${NS}::frame .vpane.files.index -height 100 -width 200
3153tlabel .vpane.files.index.title \
3154        -text [mc "Staged Changes (Will Commit)"] \
3155        -background lightgreen -foreground black
3156text $ui_index -background white -foreground black \
3157        -borderwidth 0 \
3158        -width 20 -height 10 \
3159        -wrap none \
3160        -cursor $cursor_ptr \
3161        -xscrollcommand {.vpane.files.index.sx set} \
3162        -yscrollcommand {.vpane.files.index.sy set} \
3163        -state disabled
3164${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3165${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3166pack .vpane.files.index.title -side top -fill x
3167pack .vpane.files.index.sx -side bottom -fill x
3168pack .vpane.files.index.sy -side right -fill y
3169pack $ui_index -side left -fill both -expand 1
3170
3171# -- Working Directory File List
3172#
3173${NS}::frame .vpane.files.workdir -height 100 -width 200
3174tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3175        -background lightsalmon -foreground black
3176text $ui_workdir -background white -foreground black \
3177        -borderwidth 0 \
3178        -width 20 -height 10 \
3179        -wrap none \
3180        -cursor $cursor_ptr \
3181        -xscrollcommand {.vpane.files.workdir.sx set} \
3182        -yscrollcommand {.vpane.files.workdir.sy set} \
3183        -state disabled
3184${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3185${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3186pack .vpane.files.workdir.title -side top -fill x
3187pack .vpane.files.workdir.sx -side bottom -fill x
3188pack .vpane.files.workdir.sy -side right -fill y
3189pack $ui_workdir -side left -fill both -expand 1
3190
3191.vpane.files add .vpane.files.workdir
3192.vpane.files add .vpane.files.index
3193if {!$use_ttk} {
3194        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3195        .vpane.files paneconfigure .vpane.files.index -sticky news
3196}
3197
3198foreach i [list $ui_index $ui_workdir] {
3199        rmsel_tag $i
3200        $i tag conf in_diff -background [$i tag cget in_sel -background]
3201}
3202unset i
3203
3204# -- Diff and Commit Area
3205#
3206${NS}::frame .vpane.lower -height 300 -width 400
3207${NS}::frame .vpane.lower.commarea
3208${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1
3209pack .vpane.lower.diff -fill both -expand 1
3210pack .vpane.lower.commarea -side bottom -fill x
3211.vpane add .vpane.lower
3212if {!$use_ttk} {.vpane paneconfigure .vpane.lower -sticky nsew}
3213
3214# -- Commit Area Buttons
3215#
3216${NS}::frame .vpane.lower.commarea.buttons
3217${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3218        -anchor w \
3219        -justify left
3220pack .vpane.lower.commarea.buttons.l -side top -fill x
3221pack .vpane.lower.commarea.buttons -side left -fill y
3222
3223${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3224        -command ui_do_rescan
3225pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3226lappend disable_on_lock \
3227        {.vpane.lower.commarea.buttons.rescan conf -state}
3228
3229${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3230        -command do_add_all
3231pack .vpane.lower.commarea.buttons.incall -side top -fill x
3232lappend disable_on_lock \
3233        {.vpane.lower.commarea.buttons.incall conf -state}
3234
3235if {![is_enabled nocommitmsg]} {
3236        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3237                -command do_signoff
3238        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3239}
3240
3241${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3242        -command do_commit
3243pack .vpane.lower.commarea.buttons.commit -side top -fill x
3244lappend disable_on_lock \
3245        {.vpane.lower.commarea.buttons.commit conf -state}
3246
3247if {![is_enabled nocommit]} {
3248        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3249                -command do_push_anywhere
3250        pack .vpane.lower.commarea.buttons.push -side top -fill x
3251}
3252
3253# -- Commit Message Buffer
3254#
3255${NS}::frame .vpane.lower.commarea.buffer
3256${NS}::frame .vpane.lower.commarea.buffer.header
3257set ui_comm .vpane.lower.commarea.buffer.t
3258set ui_coml .vpane.lower.commarea.buffer.header.l
3259
3260if {![is_enabled nocommit]} {
3261        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3262                -text [mc "New Commit"] \
3263                -command do_select_commit_type \
3264                -variable selected_commit_type \
3265                -value new
3266        lappend disable_on_lock \
3267                [list .vpane.lower.commarea.buffer.header.new conf -state]
3268        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3269                -text [mc "Amend Last Commit"] \
3270                -command do_select_commit_type \
3271                -variable selected_commit_type \
3272                -value amend
3273        lappend disable_on_lock \
3274                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3275}
3276
3277${NS}::label $ui_coml \
3278        -anchor w \
3279        -justify left
3280proc trace_commit_type {varname args} {
3281        global ui_coml commit_type
3282        switch -glob -- $commit_type {
3283        initial       {set txt [mc "Initial Commit Message:"]}
3284        amend         {set txt [mc "Amended Commit Message:"]}
3285        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3286        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3287        merge         {set txt [mc "Merge Commit Message:"]}
3288        *             {set txt [mc "Commit Message:"]}
3289        }
3290        $ui_coml conf -text $txt
3291}
3292trace add variable commit_type write trace_commit_type
3293pack $ui_coml -side left -fill x
3294
3295if {![is_enabled nocommit]} {
3296        pack .vpane.lower.commarea.buffer.header.amend -side right
3297        pack .vpane.lower.commarea.buffer.header.new -side right
3298}
3299
3300text $ui_comm -background white -foreground black \
3301        -borderwidth 1 \
3302        -undo true \
3303        -maxundo 20 \
3304        -autoseparators true \
3305        -relief sunken \
3306        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3307        -font font_diff \
3308        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3309${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3310        -command [list $ui_comm yview]
3311pack .vpane.lower.commarea.buffer.header -side top -fill x
3312pack .vpane.lower.commarea.buffer.sby -side right -fill y
3313pack $ui_comm -side left -fill y
3314pack .vpane.lower.commarea.buffer -side left -fill y
3315
3316# -- Commit Message Buffer Context Menu
3317#
3318set ctxm .vpane.lower.commarea.buffer.ctxm
3319menu $ctxm -tearoff 0
3320$ctxm add command \
3321        -label [mc Cut] \
3322        -command {tk_textCut $ui_comm}
3323$ctxm add command \
3324        -label [mc Copy] \
3325        -command {tk_textCopy $ui_comm}
3326$ctxm add command \
3327        -label [mc Paste] \
3328        -command {tk_textPaste $ui_comm}
3329$ctxm add command \
3330        -label [mc Delete] \
3331        -command {catch {$ui_comm delete sel.first sel.last}}
3332$ctxm add separator
3333$ctxm add command \
3334        -label [mc "Select All"] \
3335        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3336$ctxm add command \
3337        -label [mc "Copy All"] \
3338        -command {
3339                $ui_comm tag add sel 0.0 end
3340                tk_textCopy $ui_comm
3341                $ui_comm tag remove sel 0.0 end
3342        }
3343$ctxm add separator
3344$ctxm add command \
3345        -label [mc "Sign Off"] \
3346        -command do_signoff
3347set ui_comm_ctxm $ctxm
3348
3349# -- Diff Header
3350#
3351proc trace_current_diff_path {varname args} {
3352        global current_diff_path diff_actions file_states
3353        if {$current_diff_path eq {}} {
3354                set s {}
3355                set f {}
3356                set p {}
3357                set o disabled
3358        } else {
3359                set p $current_diff_path
3360                set s [mapdesc [lindex $file_states($p) 0] $p]
3361                set f [mc "File:"]
3362                set p [escape_path $p]
3363                set o normal
3364        }
3365
3366        .vpane.lower.diff.header.status configure -text $s
3367        .vpane.lower.diff.header.file configure -text $f
3368        .vpane.lower.diff.header.path configure -text $p
3369        foreach w $diff_actions {
3370                uplevel #0 $w $o
3371        }
3372}
3373trace add variable current_diff_path write trace_current_diff_path
3374
3375gold_frame .vpane.lower.diff.header
3376tlabel .vpane.lower.diff.header.status \
3377        -background gold \
3378        -foreground black \
3379        -width $max_status_desc \
3380        -anchor w \
3381        -justify left
3382tlabel .vpane.lower.diff.header.file \
3383        -background gold \
3384        -foreground black \
3385        -anchor w \
3386        -justify left
3387tlabel .vpane.lower.diff.header.path \
3388        -background gold \
3389        -foreground black \
3390        -anchor w \
3391        -justify left
3392pack .vpane.lower.diff.header.status -side left
3393pack .vpane.lower.diff.header.file -side left
3394pack .vpane.lower.diff.header.path -fill x
3395set ctxm .vpane.lower.diff.header.ctxm
3396menu $ctxm -tearoff 0
3397$ctxm add command \
3398        -label [mc Copy] \
3399        -command {
3400                clipboard clear
3401                clipboard append \
3402                        -format STRING \
3403                        -type STRING \
3404                        -- $current_diff_path
3405        }
3406lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3407bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3408
3409# -- Diff Body
3410#
3411${NS}::frame .vpane.lower.diff.body
3412set ui_diff .vpane.lower.diff.body.t
3413text $ui_diff -background white -foreground black \
3414        -borderwidth 0 \
3415        -width 80 -height 5 -wrap none \
3416        -font font_diff \
3417        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3418        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3419        -state disabled
3420catch {$ui_diff configure -tabstyle wordprocessor}
3421${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3422        -command [list $ui_diff xview]
3423${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3424        -command [list $ui_diff yview]
3425pack .vpane.lower.diff.body.sbx -side bottom -fill x
3426pack .vpane.lower.diff.body.sby -side right -fill y
3427pack $ui_diff -side left -fill both -expand 1
3428pack .vpane.lower.diff.header -side top -fill x
3429pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3430
3431foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3432        $ui_diff tag configure clr4$n -background $c
3433        $ui_diff tag configure clri4$n -foreground $c
3434        $ui_diff tag configure clr3$n -foreground $c
3435        $ui_diff tag configure clri3$n -background $c
3436}
3437$ui_diff tag configure clr1 -font font_diffbold
3438$ui_diff tag configure clr4 -underline 1
3439
3440$ui_diff tag conf d_info -foreground blue -font font_diffbold
3441
3442$ui_diff tag conf d_cr -elide true
3443$ui_diff tag conf d_@ -font font_diffbold
3444$ui_diff tag conf d_+ -foreground {#00a000}
3445$ui_diff tag conf d_- -foreground red
3446
3447$ui_diff tag conf d_++ -foreground {#00a000}
3448$ui_diff tag conf d_-- -foreground red
3449$ui_diff tag conf d_+s \
3450        -foreground {#00a000} \
3451        -background {#e2effa}
3452$ui_diff tag conf d_-s \
3453        -foreground red \
3454        -background {#e2effa}
3455$ui_diff tag conf d_s+ \
3456        -foreground {#00a000} \
3457        -background ivory1
3458$ui_diff tag conf d_s- \
3459        -foreground red \
3460        -background ivory1
3461
3462$ui_diff tag conf d< \
3463        -foreground orange \
3464        -font font_diffbold
3465$ui_diff tag conf d= \
3466        -foreground orange \
3467        -font font_diffbold
3468$ui_diff tag conf d> \
3469        -foreground orange \
3470        -font font_diffbold
3471
3472$ui_diff tag raise sel
3473
3474# -- Diff Body Context Menu
3475#
3476
3477proc create_common_diff_popup {ctxm} {
3478        $ctxm add command \
3479                -label [mc Refresh] \
3480                -command reshow_diff
3481        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3482        $ctxm add command \
3483                -label [mc Copy] \
3484                -command {tk_textCopy $ui_diff}
3485        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3486        $ctxm add command \
3487                -label [mc "Select All"] \
3488                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3489        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3490        $ctxm add command \
3491                -label [mc "Copy All"] \
3492                -command {
3493                        $ui_diff tag add sel 0.0 end
3494                        tk_textCopy $ui_diff
3495                        $ui_diff tag remove sel 0.0 end
3496                }
3497        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3498        $ctxm add separator
3499        $ctxm add command \
3500                -label [mc "Decrease Font Size"] \
3501                -command {incr_font_size font_diff -1}
3502        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3503        $ctxm add command \
3504                -label [mc "Increase Font Size"] \
3505                -command {incr_font_size font_diff 1}
3506        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3507        $ctxm add separator
3508        set emenu $ctxm.enc
3509        menu $emenu
3510        build_encoding_menu $emenu [list force_diff_encoding]
3511        $ctxm add cascade \
3512                -label [mc "Encoding"] \
3513                -menu $emenu
3514        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3515        $ctxm add separator
3516        $ctxm add command -label [mc "Options..."] \
3517                -command do_options
3518}
3519
3520set ctxm .vpane.lower.diff.body.ctxm
3521menu $ctxm -tearoff 0
3522$ctxm add command \
3523        -label [mc "Apply/Reverse Hunk"] \
3524        -command {apply_hunk $cursorX $cursorY}
3525set ui_diff_applyhunk [$ctxm index last]
3526lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3527$ctxm add command \
3528        -label [mc "Apply/Reverse Line"] \
3529        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3530set ui_diff_applyline [$ctxm index last]
3531lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3532$ctxm add separator
3533$ctxm add command \
3534        -label [mc "Show Less Context"] \
3535        -command show_less_context
3536lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3537$ctxm add command \
3538        -label [mc "Show More Context"] \
3539        -command show_more_context
3540lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3541$ctxm add separator
3542create_common_diff_popup $ctxm
3543
3544set ctxmmg .vpane.lower.diff.body.ctxmmg
3545menu $ctxmmg -tearoff 0
3546$ctxmmg add command \
3547        -label [mc "Run Merge Tool"] \
3548        -command {merge_resolve_tool}
3549lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3550$ctxmmg add separator
3551$ctxmmg add command \
3552        -label [mc "Use Remote Version"] \
3553        -command {merge_resolve_one 3}
3554lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3555$ctxmmg add command \
3556        -label [mc "Use Local Version"] \
3557        -command {merge_resolve_one 2}
3558lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3559$ctxmmg add command \
3560        -label [mc "Revert To Base"] \
3561        -command {merge_resolve_one 1}
3562lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3563$ctxmmg add separator
3564$ctxmmg add command \
3565        -label [mc "Show Less Context"] \
3566        -command show_less_context
3567lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3568$ctxmmg add command \
3569        -label [mc "Show More Context"] \
3570        -command show_more_context
3571lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3572$ctxmmg add separator
3573create_common_diff_popup $ctxmmg
3574
3575set ctxmsm .vpane.lower.diff.body.ctxmsm
3576menu $ctxmsm -tearoff 0
3577$ctxmsm add command \
3578        -label [mc "Visualize These Changes In The Submodule"] \
3579        -command {do_gitk -- true}
3580lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3581$ctxmsm add command \
3582        -label [mc "Visualize Current Branch History In The Submodule"] \
3583        -command {do_gitk {} true}
3584lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3585$ctxmsm add command \
3586        -label [mc "Visualize All Branch History In The Submodule"] \
3587        -command {do_gitk --all true}
3588lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3589$ctxmsm add separator
3590$ctxmsm add command \
3591        -label [mc "Start git gui In The Submodule"] \
3592        -command {do_git_gui}
3593lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3594$ctxmsm add separator
3595create_common_diff_popup $ctxmsm
3596
3597proc has_textconv {path} {
3598        if {[is_config_false gui.textconv]} {
3599                return 0
3600        }
3601        set filter [gitattr $path diff set]
3602        set textconv [get_config [join [list diff $filter textconv] .]]
3603        if {$filter ne {set} && $textconv ne {}} {
3604                return 1
3605        } else {
3606                return 0
3607        }
3608}
3609
3610proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3611        global current_diff_path file_states
3612        set ::cursorX $x
3613        set ::cursorY $y
3614        if {[info exists file_states($current_diff_path)]} {
3615                set state [lindex $file_states($current_diff_path) 0]
3616        } else {
3617                set state {__}
3618        }
3619        if {[string first {U} $state] >= 0} {
3620                tk_popup $ctxmmg $X $Y
3621        } elseif {$::is_submodule_diff} {
3622                tk_popup $ctxmsm $X $Y
3623        } else {
3624                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3625                if {$::ui_index eq $::current_diff_side} {
3626                        set l [mc "Unstage Hunk From Commit"]
3627                        if {$has_range} {
3628                                set t [mc "Unstage Lines From Commit"]
3629                        } else {
3630                                set t [mc "Unstage Line From Commit"]
3631                        }
3632                } else {
3633                        set l [mc "Stage Hunk For Commit"]
3634                        if {$has_range} {
3635                                set t [mc "Stage Lines For Commit"]
3636                        } else {
3637                                set t [mc "Stage Line For Commit"]
3638                        }
3639                }
3640                if {$::is_3way_diff
3641                        || $current_diff_path eq {}
3642                        || {__} eq $state
3643                        || {_O} eq $state
3644                        || [string match {?T} $state]
3645                        || [string match {T?} $state]
3646                        || [has_textconv $current_diff_path]} {
3647                        set s disabled
3648                } else {
3649                        set s normal
3650                }
3651                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3652                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3653                tk_popup $ctxm $X $Y
3654        }
3655}
3656bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3657
3658# -- Status Bar
3659#
3660set main_status [::status_bar::new .status]
3661pack .status -anchor w -side bottom -fill x
3662$main_status show [mc "Initializing..."]
3663
3664# -- Load geometry
3665#
3666proc on_ttk_pane_mapped {w pane pos} {
3667        bind $w <Map> {}
3668        after 0 [list after idle [list $w sashpos $pane $pos]]
3669}
3670proc on_tk_pane_mapped {w pane x y} {
3671        bind $w <Map> {}
3672        after 0 [list after idle [list $w sash place $pane $x $y]]
3673}
3674proc on_application_mapped {} {
3675        global repo_config use_ttk
3676        bind . <Map> {}
3677        set gm $repo_config(gui.geometry)
3678        if {$use_ttk} {
3679                bind .vpane <Map> \
3680                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3681                bind .vpane.files <Map> \
3682                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3683        } else {
3684                bind .vpane <Map> \
3685                    [list on_tk_pane_mapped %W 0 \
3686                         [lindex $gm 1] \
3687                         [lindex [.vpane sash coord 0] 1]]
3688                bind .vpane.files <Map> \
3689                    [list on_tk_pane_mapped %W 0 \
3690                         [lindex [.vpane.files sash coord 0] 0] \
3691                         [lindex $gm 2]]
3692        }
3693        wm geometry . [lindex $gm 0]
3694}
3695if {[info exists repo_config(gui.geometry)]} {
3696        bind . <Map> [list on_application_mapped]
3697        wm geometry . [lindex $repo_config(gui.geometry) 0]
3698}
3699
3700# -- Load window state
3701#
3702if {[info exists repo_config(gui.wmstate)]} {
3703        catch {wm state . $repo_config(gui.wmstate)}
3704}
3705
3706# -- Key Bindings
3707#
3708bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3709bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3710bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3711bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3712bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3713bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3714bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3715bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3716bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3717bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3718bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3719bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3720bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3721bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3722bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3723bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3724bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3725bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3726bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3727bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3728bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3729bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3730
3731bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3732bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3733bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3734bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3735bind $ui_diff <$M1B-Key-v> {break}
3736bind $ui_diff <$M1B-Key-V> {break}
3737bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3738bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3739bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3740bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3741bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3742bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3743bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3744bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3745bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3746bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3747bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3748bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3749bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3750bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3751bind $ui_diff <Button-1>   {focus %W}
3752
3753if {[is_enabled branch]} {
3754        bind . <$M1B-Key-n> branch_create::dialog
3755        bind . <$M1B-Key-N> branch_create::dialog
3756        bind . <$M1B-Key-o> branch_checkout::dialog
3757        bind . <$M1B-Key-O> branch_checkout::dialog
3758        bind . <$M1B-Key-m> merge::dialog
3759        bind . <$M1B-Key-M> merge::dialog
3760}
3761if {[is_enabled transport]} {
3762        bind . <$M1B-Key-p> do_push_anywhere
3763        bind . <$M1B-Key-P> do_push_anywhere
3764}
3765
3766bind .   <Key-F5>     ui_do_rescan
3767bind .   <$M1B-Key-r> ui_do_rescan
3768bind .   <$M1B-Key-R> ui_do_rescan
3769bind .   <$M1B-Key-s> do_signoff
3770bind .   <$M1B-Key-S> do_signoff
3771bind .   <$M1B-Key-t> do_add_selection
3772bind .   <$M1B-Key-T> do_add_selection
3773bind .   <$M1B-Key-u> do_unstage_selection
3774bind .   <$M1B-Key-U> do_unstage_selection
3775bind .   <$M1B-Key-j> do_revert_selection
3776bind .   <$M1B-Key-J> do_revert_selection
3777bind .   <$M1B-Key-i> do_add_all
3778bind .   <$M1B-Key-I> do_add_all
3779bind .   <$M1B-Key-minus> {show_less_context;break}
3780bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3781bind .   <$M1B-Key-equal> {show_more_context;break}
3782bind .   <$M1B-Key-plus> {show_more_context;break}
3783bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3784bind .   <$M1B-Key-Return> do_commit
3785foreach i [list $ui_index $ui_workdir] {
3786        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3787        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3788        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3789}
3790unset i
3791
3792set file_lists($ui_index) [list]
3793set file_lists($ui_workdir) [list]
3794
3795wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3796focus -force $ui_comm
3797
3798# -- Warn the user about environmental problems.  Cygwin's Tcl
3799#    does *not* pass its env array onto any processes it spawns.
3800#    This means that git processes get none of our environment.
3801#
3802if {[is_Cygwin]} {
3803        set ignored_env 0
3804        set suggest_user {}
3805        set msg [mc "Possible environment issues exist.
3806
3807The following environment variables are probably
3808going to be ignored by any Git subprocess run
3809by %s:
3810
3811" [appname]]
3812        foreach name [array names env] {
3813                switch -regexp -- $name {
3814                {^GIT_INDEX_FILE$} -
3815                {^GIT_OBJECT_DIRECTORY$} -
3816                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3817                {^GIT_DIFF_OPTS$} -
3818                {^GIT_EXTERNAL_DIFF$} -
3819                {^GIT_PAGER$} -
3820                {^GIT_TRACE$} -
3821                {^GIT_CONFIG$} -
3822                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3823                        append msg " - $name\n"
3824                        incr ignored_env
3825                }
3826                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3827                        append msg " - $name\n"
3828                        incr ignored_env
3829                        set suggest_user $name
3830                }
3831                }
3832        }
3833        if {$ignored_env > 0} {
3834                append msg [mc "
3835This is due to a known issue with the
3836Tcl binary distributed by Cygwin."]
3837
3838                if {$suggest_user ne {}} {
3839                        append msg [mc "
3840
3841A good replacement for %s
3842is placing values for the user.name and
3843user.email settings into your personal
3844~/.gitconfig file.
3845" $suggest_user]
3846                }
3847                warn_popup $msg
3848        }
3849        unset ignored_env msg suggest_user name
3850}
3851
3852# -- Only initialize complex UI if we are going to stay running.
3853#
3854if {[is_enabled transport]} {
3855        load_all_remotes
3856
3857        set n [.mbar.remote index end]
3858        populate_remotes_menu
3859        set n [expr {[.mbar.remote index end] - $n}]
3860        if {$n > 0} {
3861                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3862                .mbar.remote insert $n separator
3863        }
3864        unset n
3865}
3866
3867if {[winfo exists $ui_comm]} {
3868        set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3869
3870        # -- If both our backup and message files exist use the
3871        #    newer of the two files to initialize the buffer.
3872        #
3873        if {$GITGUI_BCK_exists} {
3874                set m [gitdir GITGUI_MSG]
3875                if {[file isfile $m]} {
3876                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3877                                catch {file delete [gitdir GITGUI_MSG]}
3878                        } else {
3879                                $ui_comm delete 0.0 end
3880                                $ui_comm edit reset
3881                                $ui_comm edit modified false
3882                                catch {file delete [gitdir GITGUI_BCK]}
3883                                set GITGUI_BCK_exists 0
3884                        }
3885                }
3886                unset m
3887        }
3888
3889        proc backup_commit_buffer {} {
3890                global ui_comm GITGUI_BCK_exists
3891
3892                set m [$ui_comm edit modified]
3893                if {$m || $GITGUI_BCK_exists} {
3894                        set msg [string trim [$ui_comm get 0.0 end]]
3895                        regsub -all -line {[ \r\t]+$} $msg {} msg
3896
3897                        if {$msg eq {}} {
3898                                if {$GITGUI_BCK_exists} {
3899                                        catch {file delete [gitdir GITGUI_BCK]}
3900                                        set GITGUI_BCK_exists 0
3901                                }
3902                        } elseif {$m} {
3903                                catch {
3904                                        set fd [open [gitdir GITGUI_BCK] w]
3905                                        fconfigure $fd -encoding utf-8
3906                                        puts -nonewline $fd $msg
3907                                        close $fd
3908                                        set GITGUI_BCK_exists 1
3909                                }
3910                        }
3911
3912                        $ui_comm edit modified false
3913                }
3914
3915                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3916        }
3917
3918        backup_commit_buffer
3919
3920        # -- If the user has aspell available we can drive it
3921        #    in pipe mode to spellcheck the commit message.
3922        #
3923        set spell_cmd [list |]
3924        set spell_dict [get_config gui.spellingdictionary]
3925        lappend spell_cmd aspell
3926        if {$spell_dict ne {}} {
3927                lappend spell_cmd --master=$spell_dict
3928        }
3929        lappend spell_cmd --mode=none
3930        lappend spell_cmd --encoding=utf-8
3931        lappend spell_cmd pipe
3932        if {$spell_dict eq {none}
3933         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3934                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3935        } else {
3936                set ui_comm_spell [spellcheck::init \
3937                        $spell_fd \
3938                        $ui_comm \
3939                        $ui_comm_ctxm \
3940                ]
3941        }
3942        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3943}
3944
3945lock_index begin-read
3946if {![winfo ismapped .]} {
3947        wm deiconify .
3948}
3949after 1 {
3950        if {[is_enabled initialamend]} {
3951                force_amend
3952        } else {
3953                do_rescan
3954        }
3955
3956        if {[is_enabled nocommitmsg]} {
3957                $ui_comm configure -state disabled -background gray
3958        }
3959}
3960if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
3961        after 1000 hint_gc
3962}
3963if {[is_enabled retcode]} {
3964        bind . <Destroy> {+terminate_me %W}
3965}
3966if {$picked && [is_config_true gui.autoexplore]} {
3967        do_explore
3968}
3969
3970# Local variables:
3971# mode: tcl
3972# indent-tabs-mode: t
3973# tab-width: 4
3974# End: