git-gui / git-gui.shon commit Merge branch 'jk/maint-avoid-streaming-filtered-contents' (31e3d83)
   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## read only globals
 141
 142set _appname {Git Gui}
 143set _gitdir {}
 144set _gitworktree {}
 145set _isbare {}
 146set _gitexec {}
 147set _githtmldir {}
 148set _reponame {}
 149set _iscygwin {}
 150set _search_path {}
 151set _shellpath {@@SHELL_PATH@@}
 152
 153set _trace [lsearch -exact $argv --trace]
 154if {$_trace >= 0} {
 155        set argv [lreplace $argv $_trace $_trace]
 156        set _trace 1
 157} else {
 158        set _trace 0
 159}
 160
 161# variable for the last merged branch (useful for a default when deleting
 162# branches).
 163set _last_merged_branch {}
 164
 165proc shellpath {} {
 166        global _shellpath env
 167        if {[string match @@* $_shellpath]} {
 168                if {[info exists env(SHELL)]} {
 169                        return $env(SHELL)
 170                } else {
 171                        return /bin/sh
 172                }
 173        }
 174        return $_shellpath
 175}
 176
 177proc appname {} {
 178        global _appname
 179        return $_appname
 180}
 181
 182proc gitdir {args} {
 183        global _gitdir
 184        if {$args eq {}} {
 185                return $_gitdir
 186        }
 187        return [eval [list file join $_gitdir] $args]
 188}
 189
 190proc gitexec {args} {
 191        global _gitexec
 192        if {$_gitexec eq {}} {
 193                if {[catch {set _gitexec [git --exec-path]} err]} {
 194                        error "Git not installed?\n\n$err"
 195                }
 196                if {[is_Cygwin]} {
 197                        set _gitexec [exec cygpath \
 198                                --windows \
 199                                --absolute \
 200                                $_gitexec]
 201                } else {
 202                        set _gitexec [file normalize $_gitexec]
 203                }
 204        }
 205        if {$args eq {}} {
 206                return $_gitexec
 207        }
 208        return [eval [list file join $_gitexec] $args]
 209}
 210
 211proc githtmldir {args} {
 212        global _githtmldir
 213        if {$_githtmldir eq {}} {
 214                if {[catch {set _githtmldir [git --html-path]}]} {
 215                        # Git not installed or option not yet supported
 216                        return {}
 217                }
 218                if {[is_Cygwin]} {
 219                        set _githtmldir [exec cygpath \
 220                                --windows \
 221                                --absolute \
 222                                $_githtmldir]
 223                } else {
 224                        set _githtmldir [file normalize $_githtmldir]
 225                }
 226        }
 227        if {$args eq {}} {
 228                return $_githtmldir
 229        }
 230        return [eval [list file join $_githtmldir] $args]
 231}
 232
 233proc reponame {} {
 234        return $::_reponame
 235}
 236
 237proc is_MacOSX {} {
 238        if {[tk windowingsystem] eq {aqua}} {
 239                return 1
 240        }
 241        return 0
 242}
 243
 244proc is_Windows {} {
 245        if {$::tcl_platform(platform) eq {windows}} {
 246                return 1
 247        }
 248        return 0
 249}
 250
 251proc is_Cygwin {} {
 252        global _iscygwin
 253        if {$_iscygwin eq {}} {
 254                if {$::tcl_platform(platform) eq {windows}} {
 255                        if {[catch {set p [exec cygpath --windir]} err]} {
 256                                set _iscygwin 0
 257                        } else {
 258                                set _iscygwin 1
 259                        }
 260                } else {
 261                        set _iscygwin 0
 262                }
 263        }
 264        return $_iscygwin
 265}
 266
 267proc is_enabled {option} {
 268        global enabled_options
 269        if {[catch {set on $enabled_options($option)}]} {return 0}
 270        return $on
 271}
 272
 273proc enable_option {option} {
 274        global enabled_options
 275        set enabled_options($option) 1
 276}
 277
 278proc disable_option {option} {
 279        global enabled_options
 280        set enabled_options($option) 0
 281}
 282
 283######################################################################
 284##
 285## config
 286
 287proc is_many_config {name} {
 288        switch -glob -- $name {
 289        gui.recentrepo -
 290        remote.*.fetch -
 291        remote.*.push
 292                {return 1}
 293        *
 294                {return 0}
 295        }
 296}
 297
 298proc is_config_true {name} {
 299        global repo_config
 300        if {[catch {set v $repo_config($name)}]} {
 301                return 0
 302        }
 303        set v [string tolower $v]
 304        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 305                return 1
 306        } else {
 307                return 0
 308        }
 309}
 310
 311proc is_config_false {name} {
 312        global repo_config
 313        if {[catch {set v $repo_config($name)}]} {
 314                return 0
 315        }
 316        set v [string tolower $v]
 317        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 318                return 1
 319        } else {
 320                return 0
 321        }
 322}
 323
 324proc get_config {name} {
 325        global repo_config
 326        if {[catch {set v $repo_config($name)}]} {
 327                return {}
 328        } else {
 329                return $v
 330        }
 331}
 332
 333proc is_bare {} {
 334        global _isbare
 335        global _gitdir
 336        global _gitworktree
 337
 338        if {$_isbare eq {}} {
 339                if {[catch {
 340                        set _bare [git rev-parse --is-bare-repository]
 341                        switch  -- $_bare {
 342                        true { set _isbare 1 }
 343                        false { set _isbare 0}
 344                        default { throw }
 345                        }
 346                }]} {
 347                        if {[is_config_true core.bare]
 348                                || ($_gitworktree eq {}
 349                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 350                                set _isbare 1
 351                        } else {
 352                                set _isbare 0
 353                        }
 354                }
 355        }
 356        return $_isbare
 357}
 358
 359######################################################################
 360##
 361## handy utils
 362
 363proc _trace_exec {cmd} {
 364        if {!$::_trace} return
 365        set d {}
 366        foreach v $cmd {
 367                if {$d ne {}} {
 368                        append d { }
 369                }
 370                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 371                        set v [sq $v]
 372                }
 373                append d $v
 374        }
 375        puts stderr $d
 376}
 377
 378#'"  fix poor old emacs font-lock mode
 379
 380proc _git_cmd {name} {
 381        global _git_cmd_path
 382
 383        if {[catch {set v $_git_cmd_path($name)}]} {
 384                switch -- $name {
 385                  version   -
 386                --version   -
 387                --exec-path { return [list $::_git $name] }
 388                }
 389
 390                set p [gitexec git-$name$::_search_exe]
 391                if {[file exists $p]} {
 392                        set v [list $p]
 393                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 394                        # Try to determine what sort of magic will make
 395                        # git-$name go and do its thing, because native
 396                        # Tcl on Windows doesn't know it.
 397                        #
 398                        set p [gitexec git-$name]
 399                        set f [open $p r]
 400                        set s [gets $f]
 401                        close $f
 402
 403                        switch -glob -- [lindex $s 0] {
 404                        #!*sh     { set i sh     }
 405                        #!*perl   { set i perl   }
 406                        #!*python { set i python }
 407                        default   { error "git-$name is not supported: $s" }
 408                        }
 409
 410                        upvar #0 _$i interp
 411                        if {![info exists interp]} {
 412                                set interp [_which $i]
 413                        }
 414                        if {$interp eq {}} {
 415                                error "git-$name requires $i (not in PATH)"
 416                        }
 417                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 418                } else {
 419                        # Assume it is builtin to git somehow and we
 420                        # aren't actually able to see a file for it.
 421                        #
 422                        set v [list $::_git $name]
 423                }
 424                set _git_cmd_path($name) $v
 425        }
 426        return $v
 427}
 428
 429proc _which {what args} {
 430        global env _search_exe _search_path
 431
 432        if {$_search_path eq {}} {
 433                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 434                        set _search_path [split [exec cygpath \
 435                                --windows \
 436                                --path \
 437                                --absolute \
 438                                $env(PATH)] {;}]
 439                        set _search_exe .exe
 440                } elseif {[is_Windows]} {
 441                        set gitguidir [file dirname [info script]]
 442                        regsub -all ";" $gitguidir "\\;" gitguidir
 443                        set env(PATH) "$gitguidir;$env(PATH)"
 444                        set _search_path [split $env(PATH) {;}]
 445                        set _search_exe .exe
 446                } else {
 447                        set _search_path [split $env(PATH) :]
 448                        set _search_exe {}
 449                }
 450        }
 451
 452        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 453                set suffix {}
 454        } else {
 455                set suffix $_search_exe
 456        }
 457
 458        foreach p $_search_path {
 459                set p [file join $p $what$suffix]
 460                if {[file exists $p]} {
 461                        return [file normalize $p]
 462                }
 463        }
 464        return {}
 465}
 466
 467# Test a file for a hashbang to identify executable scripts on Windows.
 468proc is_shellscript {filename} {
 469        if {![file exists $filename]} {return 0}
 470        set f [open $filename r]
 471        fconfigure $f -encoding binary
 472        set magic [read $f 2]
 473        close $f
 474        return [expr {$magic eq "#!"}]
 475}
 476
 477# Run a command connected via pipes on stdout.
 478# This is for use with textconv filters and uses sh -c "..." to allow it to
 479# contain a command with arguments. On windows we must check for shell
 480# scripts specifically otherwise just call the filter command.
 481proc open_cmd_pipe {cmd path} {
 482        global env
 483        if {![file executable [shellpath]]} {
 484                set exe [auto_execok [lindex $cmd 0]]
 485                if {[is_shellscript [lindex $exe 0]]} {
 486                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 487                } else {
 488                        set run [concat $exe [lrange $cmd 1 end] $path]
 489                }
 490        } else {
 491                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 492        }
 493        return [open |$run r]
 494}
 495
 496proc _lappend_nice {cmd_var} {
 497        global _nice
 498        upvar $cmd_var cmd
 499
 500        if {![info exists _nice]} {
 501                set _nice [_which nice]
 502                if {[catch {exec $_nice git version}]} {
 503                        set _nice {}
 504                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 505                        set _nice {}
 506                }
 507        }
 508        if {$_nice ne {}} {
 509                lappend cmd $_nice
 510        }
 511}
 512
 513proc git {args} {
 514        set opt [list]
 515
 516        while {1} {
 517                switch -- [lindex $args 0] {
 518                --nice {
 519                        _lappend_nice opt
 520                }
 521
 522                default {
 523                        break
 524                }
 525
 526                }
 527
 528                set args [lrange $args 1 end]
 529        }
 530
 531        set cmdp [_git_cmd [lindex $args 0]]
 532        set args [lrange $args 1 end]
 533
 534        _trace_exec [concat $opt $cmdp $args]
 535        set result [eval exec $opt $cmdp $args]
 536        if {$::_trace} {
 537                puts stderr "< $result"
 538        }
 539        return $result
 540}
 541
 542proc _open_stdout_stderr {cmd} {
 543        _trace_exec $cmd
 544        if {[catch {
 545                        set fd [open [concat [list | ] $cmd] r]
 546                } err]} {
 547                if {   [lindex $cmd end] eq {2>@1}
 548                    && $err eq {can not find channel named "1"}
 549                        } {
 550                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 551                        # redirect operator.  Fallback to |& cat for those.
 552                        # The command was not actually started, so its safe
 553                        # to try to start it a second time.
 554                        #
 555                        set fd [open [concat \
 556                                [list | ] \
 557                                [lrange $cmd 0 end-1] \
 558                                [list |& cat] \
 559                                ] r]
 560                } else {
 561                        error $err
 562                }
 563        }
 564        fconfigure $fd -eofchar {}
 565        return $fd
 566}
 567
 568proc git_read {args} {
 569        set opt [list]
 570
 571        while {1} {
 572                switch -- [lindex $args 0] {
 573                --nice {
 574                        _lappend_nice opt
 575                }
 576
 577                --stderr {
 578                        lappend args 2>@1
 579                }
 580
 581                default {
 582                        break
 583                }
 584
 585                }
 586
 587                set args [lrange $args 1 end]
 588        }
 589
 590        set cmdp [_git_cmd [lindex $args 0]]
 591        set args [lrange $args 1 end]
 592
 593        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 594}
 595
 596proc git_write {args} {
 597        set opt [list]
 598
 599        while {1} {
 600                switch -- [lindex $args 0] {
 601                --nice {
 602                        _lappend_nice opt
 603                }
 604
 605                default {
 606                        break
 607                }
 608
 609                }
 610
 611                set args [lrange $args 1 end]
 612        }
 613
 614        set cmdp [_git_cmd [lindex $args 0]]
 615        set args [lrange $args 1 end]
 616
 617        _trace_exec [concat $opt $cmdp $args]
 618        return [open [concat [list | ] $opt $cmdp $args] w]
 619}
 620
 621proc githook_read {hook_name args} {
 622        set pchook [gitdir hooks $hook_name]
 623        lappend args 2>@1
 624
 625        # On Windows [file executable] might lie so we need to ask
 626        # the shell if the hook is executable.  Yes that's annoying.
 627        #
 628        if {[is_Windows]} {
 629                upvar #0 _sh interp
 630                if {![info exists interp]} {
 631                        set interp [_which sh]
 632                }
 633                if {$interp eq {}} {
 634                        error "hook execution requires sh (not in PATH)"
 635                }
 636
 637                set scr {if test -x "$1";then exec "$@";fi}
 638                set sh_c [list $interp -c $scr $interp $pchook]
 639                return [_open_stdout_stderr [concat $sh_c $args]]
 640        }
 641
 642        if {[file executable $pchook]} {
 643                return [_open_stdout_stderr [concat [list $pchook] $args]]
 644        }
 645
 646        return {}
 647}
 648
 649proc kill_file_process {fd} {
 650        set process [pid $fd]
 651
 652        catch {
 653                if {[is_Windows]} {
 654                        # Use a Cygwin-specific flag to allow killing
 655                        # native Windows processes
 656                        exec kill -f $process
 657                } else {
 658                        exec kill $process
 659                }
 660        }
 661}
 662
 663proc gitattr {path attr default} {
 664        if {[catch {set r [git check-attr $attr -- $path]}]} {
 665                set r unspecified
 666        } else {
 667                set r [join [lrange [split $r :] 2 end] :]
 668                regsub {^ } $r {} r
 669        }
 670        if {$r eq {unspecified}} {
 671                return $default
 672        }
 673        return $r
 674}
 675
 676proc sq {value} {
 677        regsub -all ' $value "'\\''" value
 678        return "'$value'"
 679}
 680
 681proc load_current_branch {} {
 682        global current_branch is_detached
 683
 684        set fd [open [gitdir HEAD] r]
 685        if {[gets $fd ref] < 1} {
 686                set ref {}
 687        }
 688        close $fd
 689
 690        set pfx {ref: refs/heads/}
 691        set len [string length $pfx]
 692        if {[string equal -length $len $pfx $ref]} {
 693                # We're on a branch.  It might not exist.  But
 694                # HEAD looks good enough to be a branch.
 695                #
 696                set current_branch [string range $ref $len end]
 697                set is_detached 0
 698        } else {
 699                # Assume this is a detached head.
 700                #
 701                set current_branch HEAD
 702                set is_detached 1
 703        }
 704}
 705
 706auto_load tk_optionMenu
 707rename tk_optionMenu real__tkOptionMenu
 708proc tk_optionMenu {w varName args} {
 709        set m [eval real__tkOptionMenu $w $varName $args]
 710        $m configure -font font_ui
 711        $w configure -font font_ui
 712        return $m
 713}
 714
 715proc rmsel_tag {text} {
 716        $text tag conf sel \
 717                -background [$text cget -background] \
 718                -foreground [$text cget -foreground] \
 719                -borderwidth 0
 720        $text tag conf in_sel -background lightgray
 721        bind $text <Motion> break
 722        return $text
 723}
 724
 725wm withdraw .
 726set root_exists 0
 727bind . <Visibility> {
 728        bind . <Visibility> {}
 729        set root_exists 1
 730}
 731
 732if {[is_Windows]} {
 733        wm iconbitmap . -default $oguilib/git-gui.ico
 734        set ::tk::AlwaysShowSelection 1
 735        bind . <Control-F2> {console show}
 736
 737        # Spoof an X11 display for SSH
 738        if {![info exists env(DISPLAY)]} {
 739                set env(DISPLAY) :9999
 740        }
 741} else {
 742        catch {
 743                image create photo gitlogo -width 16 -height 16
 744
 745                gitlogo put #33CC33 -to  7  0  9  2
 746                gitlogo put #33CC33 -to  4  2 12  4
 747                gitlogo put #33CC33 -to  7  4  9  6
 748                gitlogo put #CC3333 -to  4  6 12  8
 749                gitlogo put gray26  -to  4  9  6 10
 750                gitlogo put gray26  -to  3 10  6 12
 751                gitlogo put gray26  -to  8  9 13 11
 752                gitlogo put gray26  -to  8 11 10 12
 753                gitlogo put gray26  -to 11 11 13 14
 754                gitlogo put gray26  -to  3 12  5 14
 755                gitlogo put gray26  -to  5 13
 756                gitlogo put gray26  -to 10 13
 757                gitlogo put gray26  -to  4 14 12 15
 758                gitlogo put gray26  -to  5 15 11 16
 759                gitlogo redither
 760
 761                image create photo gitlogo32 -width 32 -height 32
 762                gitlogo32 copy gitlogo -zoom 2 2
 763
 764                wm iconphoto . -default gitlogo gitlogo32
 765        }
 766}
 767
 768######################################################################
 769##
 770## config defaults
 771
 772set cursor_ptr arrow
 773font create font_ui
 774if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 775        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 776        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 777} else {
 778        font create font_diff -family Courier -size 10
 779        catch {
 780                label .dummy
 781                eval font configure font_ui [font actual [.dummy cget -font]]
 782                destroy .dummy
 783        }
 784}
 785
 786font create font_uiitalic
 787font create font_uibold
 788font create font_diffbold
 789font create font_diffitalic
 790
 791foreach class {Button Checkbutton Entry Label
 792                Labelframe Listbox Message
 793                Radiobutton Spinbox Text} {
 794        option add *$class.font font_ui
 795}
 796if {![is_MacOSX]} {
 797        option add *Menu.font font_ui
 798        option add *Entry.borderWidth 1 startupFile
 799        option add *Entry.relief sunken startupFile
 800        option add *RadioButton.anchor w startupFile
 801}
 802unset class
 803
 804if {[is_Windows] || [is_MacOSX]} {
 805        option add *Menu.tearOff 0
 806}
 807
 808if {[is_MacOSX]} {
 809        set M1B M1
 810        set M1T Cmd
 811} else {
 812        set M1B Control
 813        set M1T Ctrl
 814}
 815
 816proc bind_button3 {w cmd} {
 817        bind $w <Any-Button-3> $cmd
 818        if {[is_MacOSX]} {
 819                # Mac OS X sends Button-2 on right click through three-button mouse,
 820                # or through trackpad right-clicking (two-finger touch + click).
 821                bind $w <Any-Button-2> $cmd
 822                bind $w <Control-Button-1> $cmd
 823        }
 824}
 825
 826proc apply_config {} {
 827        global repo_config font_descs
 828
 829        foreach option $font_descs {
 830                set name [lindex $option 0]
 831                set font [lindex $option 1]
 832                if {[catch {
 833                        set need_weight 1
 834                        foreach {cn cv} $repo_config(gui.$name) {
 835                                if {$cn eq {-weight}} {
 836                                        set need_weight 0
 837                                }
 838                                font configure $font $cn $cv
 839                        }
 840                        if {$need_weight} {
 841                                font configure $font -weight normal
 842                        }
 843                        } err]} {
 844                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 845                }
 846                foreach {cn cv} [font configure $font] {
 847                        font configure ${font}bold $cn $cv
 848                        font configure ${font}italic $cn $cv
 849                }
 850                font configure ${font}bold -weight bold
 851                font configure ${font}italic -slant italic
 852        }
 853
 854        global use_ttk NS
 855        set use_ttk 0
 856        set NS {}
 857        if {$repo_config(gui.usettk)} {
 858                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 859                if {$use_ttk} {
 860                        set NS ttk
 861                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 862                        pave_toplevel .
 863                }
 864        }
 865}
 866
 867set default_config(branch.autosetupmerge) true
 868set default_config(merge.tool) {}
 869set default_config(mergetool.keepbackup) true
 870set default_config(merge.diffstat) true
 871set default_config(merge.summary) false
 872set default_config(merge.verbosity) 2
 873set default_config(user.name) {}
 874set default_config(user.email) {}
 875
 876set default_config(gui.encoding) [encoding system]
 877set default_config(gui.matchtrackingbranch) false
 878set default_config(gui.textconv) true
 879set default_config(gui.pruneduringfetch) false
 880set default_config(gui.trustmtime) false
 881set default_config(gui.fastcopyblame) false
 882set default_config(gui.copyblamethreshold) 40
 883set default_config(gui.blamehistoryctx) 7
 884set default_config(gui.diffcontext) 5
 885set default_config(gui.diffopts) {}
 886set default_config(gui.commitmsgwidth) 75
 887set default_config(gui.newbranchtemplate) {}
 888set default_config(gui.spellingdictionary) {}
 889set default_config(gui.fontui) [font configure font_ui]
 890set default_config(gui.fontdiff) [font configure font_diff]
 891# TODO: this option should be added to the git-config documentation
 892set default_config(gui.maxfilesdisplayed) 5000
 893set default_config(gui.usettk) 1
 894set default_config(gui.warndetachedcommit) 1
 895set font_descs {
 896        {fontui   font_ui   {mc "Main Font"}}
 897        {fontdiff font_diff {mc "Diff/Console Font"}}
 898}
 899set default_config(gui.stageuntracked) ask
 900
 901######################################################################
 902##
 903## find git
 904
 905set _git  [_which git]
 906if {$_git eq {}} {
 907        catch {wm withdraw .}
 908        tk_messageBox \
 909                -icon error \
 910                -type ok \
 911                -title [mc "git-gui: fatal error"] \
 912                -message [mc "Cannot find git in PATH."]
 913        exit 1
 914}
 915
 916######################################################################
 917##
 918## version check
 919
 920if {[catch {set _git_version [git --version]} err]} {
 921        catch {wm withdraw .}
 922        tk_messageBox \
 923                -icon error \
 924                -type ok \
 925                -title [mc "git-gui: fatal error"] \
 926                -message "Cannot determine Git version:
 927
 928$err
 929
 930[appname] requires Git 1.5.0 or later."
 931        exit 1
 932}
 933if {![regsub {^git version } $_git_version {} _git_version]} {
 934        catch {wm withdraw .}
 935        tk_messageBox \
 936                -icon error \
 937                -type ok \
 938                -title [mc "git-gui: fatal error"] \
 939                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 940        exit 1
 941}
 942
 943proc get_trimmed_version {s} {
 944    set r {}
 945    foreach x [split $s -._] {
 946        if {[string is integer -strict $x]} {
 947            lappend r $x
 948        } else {
 949            break
 950        }
 951    }
 952    return [join $r .]
 953}
 954set _real_git_version $_git_version
 955set _git_version [get_trimmed_version $_git_version]
 956
 957if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 958        catch {wm withdraw .}
 959        if {[tk_messageBox \
 960                -icon warning \
 961                -type yesno \
 962                -default no \
 963                -title "[appname]: warning" \
 964                 -message [mc "Git version cannot be determined.
 965
 966%s claims it is version '%s'.
 967
 968%s requires at least Git 1.5.0 or later.
 969
 970Assume '%s' is version 1.5.0?
 971" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 972                set _git_version 1.5.0
 973        } else {
 974                exit 1
 975        }
 976}
 977unset _real_git_version
 978
 979proc git-version {args} {
 980        global _git_version
 981
 982        switch [llength $args] {
 983        0 {
 984                return $_git_version
 985        }
 986
 987        2 {
 988                set op [lindex $args 0]
 989                set vr [lindex $args 1]
 990                set cm [package vcompare $_git_version $vr]
 991                return [expr $cm $op 0]
 992        }
 993
 994        4 {
 995                set type [lindex $args 0]
 996                set name [lindex $args 1]
 997                set parm [lindex $args 2]
 998                set body [lindex $args 3]
 999
1000                if {($type ne {proc} && $type ne {method})} {
1001                        error "Invalid arguments to git-version"
1002                }
1003                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1004                        error "Last arm of $type $name must be default"
1005                }
1006
1007                foreach {op vr cb} [lrange $body 0 end-2] {
1008                        if {[git-version $op $vr]} {
1009                                return [uplevel [list $type $name $parm $cb]]
1010                        }
1011                }
1012
1013                return [uplevel [list $type $name $parm [lindex $body end]]]
1014        }
1015
1016        default {
1017                error "git-version >= x"
1018        }
1019
1020        }
1021}
1022
1023if {[git-version < 1.5]} {
1024        catch {wm withdraw .}
1025        tk_messageBox \
1026                -icon error \
1027                -type ok \
1028                -title [mc "git-gui: fatal error"] \
1029                -message "[appname] requires Git 1.5.0 or later.
1030
1031You are using [git-version]:
1032
1033[git --version]"
1034        exit 1
1035}
1036
1037######################################################################
1038##
1039## configure our library
1040
1041set idx [file join $oguilib tclIndex]
1042if {[catch {set fd [open $idx r]} err]} {
1043        catch {wm withdraw .}
1044        tk_messageBox \
1045                -icon error \
1046                -type ok \
1047                -title [mc "git-gui: fatal error"] \
1048                -message $err
1049        exit 1
1050}
1051if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1052        set idx [list]
1053        while {[gets $fd n] >= 0} {
1054                if {$n ne {} && ![string match #* $n]} {
1055                        lappend idx $n
1056                }
1057        }
1058} else {
1059        set idx {}
1060}
1061close $fd
1062
1063if {$idx ne {}} {
1064        set loaded [list]
1065        foreach p $idx {
1066                if {[lsearch -exact $loaded $p] >= 0} continue
1067                source [file join $oguilib $p]
1068                lappend loaded $p
1069        }
1070        unset loaded p
1071} else {
1072        set auto_path [concat [list $oguilib] $auto_path]
1073}
1074unset -nocomplain idx fd
1075
1076######################################################################
1077##
1078## config file parsing
1079
1080git-version proc _parse_config {arr_name args} {
1081        >= 1.5.3 {
1082                upvar $arr_name arr
1083                array unset arr
1084                set buf {}
1085                catch {
1086                        set fd_rc [eval \
1087                                [list git_read config] \
1088                                $args \
1089                                [list --null --list]]
1090                        fconfigure $fd_rc -translation binary
1091                        set buf [read $fd_rc]
1092                        close $fd_rc
1093                }
1094                foreach line [split $buf "\0"] {
1095                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1096                                if {[is_many_config $name]} {
1097                                        lappend arr($name) $value
1098                                } else {
1099                                        set arr($name) $value
1100                                }
1101                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1102                                # no value given, but interpreting them as
1103                                # boolean will be handled as true
1104                                set arr($name) {}
1105                        }
1106                }
1107        }
1108        default {
1109                upvar $arr_name arr
1110                array unset arr
1111                catch {
1112                        set fd_rc [eval [list git_read config --list] $args]
1113                        while {[gets $fd_rc line] >= 0} {
1114                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1115                                        if {[is_many_config $name]} {
1116                                                lappend arr($name) $value
1117                                        } else {
1118                                                set arr($name) $value
1119                                        }
1120                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1121                                        # no value given, but interpreting them as
1122                                        # boolean will be handled as true
1123                                        set arr($name) {}
1124                                }
1125                        }
1126                        close $fd_rc
1127                }
1128        }
1129}
1130
1131proc load_config {include_global} {
1132        global repo_config global_config system_config default_config
1133
1134        if {$include_global} {
1135                _parse_config system_config --system
1136                _parse_config global_config --global
1137        }
1138        _parse_config repo_config
1139
1140        foreach name [array names default_config] {
1141                if {[catch {set v $system_config($name)}]} {
1142                        set system_config($name) $default_config($name)
1143                }
1144        }
1145        foreach name [array names system_config] {
1146                if {[catch {set v $global_config($name)}]} {
1147                        set global_config($name) $system_config($name)
1148                }
1149                if {[catch {set v $repo_config($name)}]} {
1150                        set repo_config($name) $system_config($name)
1151                }
1152        }
1153}
1154
1155######################################################################
1156##
1157## feature option selection
1158
1159if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1160        unset _junk
1161} else {
1162        set subcommand gui
1163}
1164if {$subcommand eq {gui.sh}} {
1165        set subcommand gui
1166}
1167if {$subcommand eq {gui} && [llength $argv] > 0} {
1168        set subcommand [lindex $argv 0]
1169        set argv [lrange $argv 1 end]
1170}
1171
1172enable_option multicommit
1173enable_option branch
1174enable_option transport
1175disable_option bare
1176
1177switch -- $subcommand {
1178browser -
1179blame {
1180        enable_option bare
1181
1182        disable_option multicommit
1183        disable_option branch
1184        disable_option transport
1185}
1186citool {
1187        enable_option singlecommit
1188        enable_option retcode
1189
1190        disable_option multicommit
1191        disable_option branch
1192        disable_option transport
1193
1194        while {[llength $argv] > 0} {
1195                set a [lindex $argv 0]
1196                switch -- $a {
1197                --amend {
1198                        enable_option initialamend
1199                }
1200                --nocommit {
1201                        enable_option nocommit
1202                        enable_option nocommitmsg
1203                }
1204                --commitmsg {
1205                        disable_option nocommitmsg
1206                }
1207                default {
1208                        break
1209                }
1210                }
1211
1212                set argv [lrange $argv 1 end]
1213        }
1214}
1215}
1216
1217######################################################################
1218##
1219## execution environment
1220
1221set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1222
1223# Suggest our implementation of askpass, if none is set
1224if {![info exists env(SSH_ASKPASS)]} {
1225        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1226}
1227
1228######################################################################
1229##
1230## repository setup
1231
1232set picked 0
1233if {[catch {
1234                set _gitdir $env(GIT_DIR)
1235                set _prefix {}
1236                }]
1237        && [catch {
1238                # beware that from the .git dir this sets _gitdir to .
1239                # and _prefix to the empty string
1240                set _gitdir [git rev-parse --git-dir]
1241                set _prefix [git rev-parse --show-prefix]
1242        } err]} {
1243        load_config 1
1244        apply_config
1245        choose_repository::pick
1246        set picked 1
1247}
1248
1249# we expand the _gitdir when it's just a single dot (i.e. when we're being
1250# run from the .git dir itself) lest the routines to find the worktree
1251# get confused
1252if {$_gitdir eq "."} {
1253        set _gitdir [pwd]
1254}
1255
1256if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1257        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1258}
1259if {![file isdirectory $_gitdir]} {
1260        catch {wm withdraw .}
1261        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1262        exit 1
1263}
1264# _gitdir exists, so try loading the config
1265load_config 0
1266apply_config
1267
1268# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1269if {[package vsatisfies $_git_version 1.7.0]} {
1270        set _gitworktree [git rev-parse --show-toplevel]
1271} else {
1272        # try to set work tree from environment, core.worktree or use
1273        # cdup to obtain a relative path to the top of the worktree. If
1274        # run from the top, the ./ prefix ensures normalize expands pwd.
1275        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1276                set _gitworktree [get_config core.worktree]
1277                if {$_gitworktree eq ""} {
1278                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1279                }
1280        }
1281}
1282
1283if {$_prefix ne {}} {
1284        if {$_gitworktree eq {}} {
1285                regsub -all {[^/]+/} $_prefix ../ cdup
1286        } else {
1287                set cdup $_gitworktree
1288        }
1289        if {[catch {cd $cdup} err]} {
1290                catch {wm withdraw .}
1291                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1292                exit 1
1293        }
1294        set _gitworktree [pwd]
1295        unset cdup
1296} elseif {![is_enabled bare]} {
1297        if {[is_bare]} {
1298                catch {wm withdraw .}
1299                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1300                exit 1
1301        }
1302        if {$_gitworktree eq {}} {
1303                set _gitworktree [file dirname $_gitdir]
1304        }
1305        if {[catch {cd $_gitworktree} err]} {
1306                catch {wm withdraw .}
1307                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1308                exit 1
1309        }
1310        set _gitworktree [pwd]
1311}
1312set _reponame [file split [file normalize $_gitdir]]
1313if {[lindex $_reponame end] eq {.git}} {
1314        set _reponame [lindex $_reponame end-1]
1315} else {
1316        set _reponame [lindex $_reponame end]
1317}
1318
1319set env(GIT_DIR) $_gitdir
1320set env(GIT_WORK_TREE) $_gitworktree
1321
1322######################################################################
1323##
1324## global init
1325
1326set current_diff_path {}
1327set current_diff_side {}
1328set diff_actions [list]
1329
1330set HEAD {}
1331set PARENT {}
1332set MERGE_HEAD [list]
1333set commit_type {}
1334set empty_tree {}
1335set current_branch {}
1336set is_detached 0
1337set current_diff_path {}
1338set is_3way_diff 0
1339set is_submodule_diff 0
1340set is_conflict_diff 0
1341set selected_commit_type new
1342set diff_empty_count 0
1343
1344set nullid "0000000000000000000000000000000000000000"
1345set nullid2 "0000000000000000000000000000000000000001"
1346
1347######################################################################
1348##
1349## task management
1350
1351set rescan_active 0
1352set diff_active 0
1353set last_clicked {}
1354
1355set disable_on_lock [list]
1356set index_lock_type none
1357
1358proc lock_index {type} {
1359        global index_lock_type disable_on_lock
1360
1361        if {$index_lock_type eq {none}} {
1362                set index_lock_type $type
1363                foreach w $disable_on_lock {
1364                        uplevel #0 $w disabled
1365                }
1366                return 1
1367        } elseif {$index_lock_type eq "begin-$type"} {
1368                set index_lock_type $type
1369                return 1
1370        }
1371        return 0
1372}
1373
1374proc unlock_index {} {
1375        global index_lock_type disable_on_lock
1376
1377        set index_lock_type none
1378        foreach w $disable_on_lock {
1379                uplevel #0 $w normal
1380        }
1381}
1382
1383######################################################################
1384##
1385## status
1386
1387proc repository_state {ctvar hdvar mhvar} {
1388        global current_branch
1389        upvar $ctvar ct $hdvar hd $mhvar mh
1390
1391        set mh [list]
1392
1393        load_current_branch
1394        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1395                set hd {}
1396                set ct initial
1397                return
1398        }
1399
1400        set merge_head [gitdir MERGE_HEAD]
1401        if {[file exists $merge_head]} {
1402                set ct merge
1403                set fd_mh [open $merge_head r]
1404                while {[gets $fd_mh line] >= 0} {
1405                        lappend mh $line
1406                }
1407                close $fd_mh
1408                return
1409        }
1410
1411        set ct normal
1412}
1413
1414proc PARENT {} {
1415        global PARENT empty_tree
1416
1417        set p [lindex $PARENT 0]
1418        if {$p ne {}} {
1419                return $p
1420        }
1421        if {$empty_tree eq {}} {
1422                set empty_tree [git mktree << {}]
1423        }
1424        return $empty_tree
1425}
1426
1427proc force_amend {} {
1428        global selected_commit_type
1429        global HEAD PARENT MERGE_HEAD commit_type
1430
1431        repository_state newType newHEAD newMERGE_HEAD
1432        set HEAD $newHEAD
1433        set PARENT $newHEAD
1434        set MERGE_HEAD $newMERGE_HEAD
1435        set commit_type $newType
1436
1437        set selected_commit_type amend
1438        do_select_commit_type
1439}
1440
1441proc rescan {after {honor_trustmtime 1}} {
1442        global HEAD PARENT MERGE_HEAD commit_type
1443        global ui_index ui_workdir ui_comm
1444        global rescan_active file_states
1445        global repo_config
1446
1447        if {$rescan_active > 0 || ![lock_index read]} return
1448
1449        repository_state newType newHEAD newMERGE_HEAD
1450        if {[string match amend* $commit_type]
1451                && $newType eq {normal}
1452                && $newHEAD eq $HEAD} {
1453        } else {
1454                set HEAD $newHEAD
1455                set PARENT $newHEAD
1456                set MERGE_HEAD $newMERGE_HEAD
1457                set commit_type $newType
1458        }
1459
1460        array unset file_states
1461
1462        if {!$::GITGUI_BCK_exists &&
1463                (![$ui_comm edit modified]
1464                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1465                if {[string match amend* $commit_type]} {
1466                } elseif {[load_message GITGUI_MSG]} {
1467                } elseif {[run_prepare_commit_msg_hook]} {
1468                } elseif {[load_message MERGE_MSG]} {
1469                } elseif {[load_message SQUASH_MSG]} {
1470                }
1471                $ui_comm edit reset
1472                $ui_comm edit modified false
1473        }
1474
1475        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1476                rescan_stage2 {} $after
1477        } else {
1478                set rescan_active 1
1479                ui_status [mc "Refreshing file status..."]
1480                set fd_rf [git_read update-index \
1481                        -q \
1482                        --unmerged \
1483                        --ignore-missing \
1484                        --refresh \
1485                        ]
1486                fconfigure $fd_rf -blocking 0 -translation binary
1487                fileevent $fd_rf readable \
1488                        [list rescan_stage2 $fd_rf $after]
1489        }
1490}
1491
1492if {[is_Cygwin]} {
1493        set is_git_info_exclude {}
1494        proc have_info_exclude {} {
1495                global is_git_info_exclude
1496
1497                if {$is_git_info_exclude eq {}} {
1498                        if {[catch {exec test -f [gitdir info exclude]}]} {
1499                                set is_git_info_exclude 0
1500                        } else {
1501                                set is_git_info_exclude 1
1502                        }
1503                }
1504                return $is_git_info_exclude
1505        }
1506} else {
1507        proc have_info_exclude {} {
1508                return [file readable [gitdir info exclude]]
1509        }
1510}
1511
1512proc rescan_stage2 {fd after} {
1513        global rescan_active buf_rdi buf_rdf buf_rlo
1514
1515        if {$fd ne {}} {
1516                read $fd
1517                if {![eof $fd]} return
1518                close $fd
1519        }
1520
1521        if {[package vsatisfies $::_git_version 1.6.3]} {
1522                set ls_others [list --exclude-standard]
1523        } else {
1524                set ls_others [list --exclude-per-directory=.gitignore]
1525                if {[have_info_exclude]} {
1526                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1527                }
1528                set user_exclude [get_config core.excludesfile]
1529                if {$user_exclude ne {} && [file readable $user_exclude]} {
1530                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1531                }
1532        }
1533
1534        set buf_rdi {}
1535        set buf_rdf {}
1536        set buf_rlo {}
1537
1538        set rescan_active 3
1539        ui_status [mc "Scanning for modified files ..."]
1540        set fd_di [git_read diff-index --cached -z [PARENT]]
1541        set fd_df [git_read diff-files -z]
1542        set fd_lo [eval git_read ls-files --others -z $ls_others]
1543
1544        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1545        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1546        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1547        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1548        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1549        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1550}
1551
1552proc load_message {file} {
1553        global ui_comm
1554
1555        set f [gitdir $file]
1556        if {[file isfile $f]} {
1557                if {[catch {set fd [open $f r]}]} {
1558                        return 0
1559                }
1560                fconfigure $fd -eofchar {}
1561                set content [string trim [read $fd]]
1562                close $fd
1563                regsub -all -line {[ \r\t]+$} $content {} content
1564                $ui_comm delete 0.0 end
1565                $ui_comm insert end $content
1566                return 1
1567        }
1568        return 0
1569}
1570
1571proc run_prepare_commit_msg_hook {} {
1572        global pch_error
1573
1574        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1575        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1576        # empty file but existent file.
1577
1578        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1579
1580        if {[file isfile [gitdir MERGE_MSG]]} {
1581                set pcm_source "merge"
1582                set fd_mm [open [gitdir MERGE_MSG] r]
1583                puts -nonewline $fd_pcm [read $fd_mm]
1584                close $fd_mm
1585        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1586                set pcm_source "squash"
1587                set fd_sm [open [gitdir SQUASH_MSG] r]
1588                puts -nonewline $fd_pcm [read $fd_sm]
1589                close $fd_sm
1590        } else {
1591                set pcm_source ""
1592        }
1593
1594        close $fd_pcm
1595
1596        set fd_ph [githook_read prepare-commit-msg \
1597                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1598        if {$fd_ph eq {}} {
1599                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1600                return 0;
1601        }
1602
1603        ui_status [mc "Calling prepare-commit-msg hook..."]
1604        set pch_error {}
1605
1606        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1607        fileevent $fd_ph readable \
1608                [list prepare_commit_msg_hook_wait $fd_ph]
1609
1610        return 1;
1611}
1612
1613proc prepare_commit_msg_hook_wait {fd_ph} {
1614        global pch_error
1615
1616        append pch_error [read $fd_ph]
1617        fconfigure $fd_ph -blocking 1
1618        if {[eof $fd_ph]} {
1619                if {[catch {close $fd_ph}]} {
1620                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1621                        hook_failed_popup prepare-commit-msg $pch_error
1622                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1623                        exit 1
1624                } else {
1625                        load_message PREPARE_COMMIT_MSG
1626                }
1627                set pch_error {}
1628                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1629                return
1630        }
1631        fconfigure $fd_ph -blocking 0
1632        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1633}
1634
1635proc read_diff_index {fd after} {
1636        global buf_rdi
1637
1638        append buf_rdi [read $fd]
1639        set c 0
1640        set n [string length $buf_rdi]
1641        while {$c < $n} {
1642                set z1 [string first "\0" $buf_rdi $c]
1643                if {$z1 == -1} break
1644                incr z1
1645                set z2 [string first "\0" $buf_rdi $z1]
1646                if {$z2 == -1} break
1647
1648                incr c
1649                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1650                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1651                merge_state \
1652                        [encoding convertfrom $p] \
1653                        [lindex $i 4]? \
1654                        [list [lindex $i 0] [lindex $i 2]] \
1655                        [list]
1656                set c $z2
1657                incr c
1658        }
1659        if {$c < $n} {
1660                set buf_rdi [string range $buf_rdi $c end]
1661        } else {
1662                set buf_rdi {}
1663        }
1664
1665        rescan_done $fd buf_rdi $after
1666}
1667
1668proc read_diff_files {fd after} {
1669        global buf_rdf
1670
1671        append buf_rdf [read $fd]
1672        set c 0
1673        set n [string length $buf_rdf]
1674        while {$c < $n} {
1675                set z1 [string first "\0" $buf_rdf $c]
1676                if {$z1 == -1} break
1677                incr z1
1678                set z2 [string first "\0" $buf_rdf $z1]
1679                if {$z2 == -1} break
1680
1681                incr c
1682                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1683                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1684                merge_state \
1685                        [encoding convertfrom $p] \
1686                        ?[lindex $i 4] \
1687                        [list] \
1688                        [list [lindex $i 0] [lindex $i 2]]
1689                set c $z2
1690                incr c
1691        }
1692        if {$c < $n} {
1693                set buf_rdf [string range $buf_rdf $c end]
1694        } else {
1695                set buf_rdf {}
1696        }
1697
1698        rescan_done $fd buf_rdf $after
1699}
1700
1701proc read_ls_others {fd after} {
1702        global buf_rlo
1703
1704        append buf_rlo [read $fd]
1705        set pck [split $buf_rlo "\0"]
1706        set buf_rlo [lindex $pck end]
1707        foreach p [lrange $pck 0 end-1] {
1708                set p [encoding convertfrom $p]
1709                if {[string index $p end] eq {/}} {
1710                        set p [string range $p 0 end-1]
1711                }
1712                merge_state $p ?O
1713        }
1714        rescan_done $fd buf_rlo $after
1715}
1716
1717proc rescan_done {fd buf after} {
1718        global rescan_active current_diff_path
1719        global file_states repo_config
1720        upvar $buf to_clear
1721
1722        if {![eof $fd]} return
1723        set to_clear {}
1724        close $fd
1725        if {[incr rescan_active -1] > 0} return
1726
1727        prune_selection
1728        unlock_index
1729        display_all_files
1730        if {$current_diff_path ne {}} { reshow_diff $after }
1731        if {$current_diff_path eq {}} { select_first_diff $after }
1732}
1733
1734proc prune_selection {} {
1735        global file_states selected_paths
1736
1737        foreach path [array names selected_paths] {
1738                if {[catch {set still_here $file_states($path)}]} {
1739                        unset selected_paths($path)
1740                }
1741        }
1742}
1743
1744######################################################################
1745##
1746## ui helpers
1747
1748proc mapicon {w state path} {
1749        global all_icons
1750
1751        if {[catch {set r $all_icons($state$w)}]} {
1752                puts "error: no icon for $w state={$state} $path"
1753                return file_plain
1754        }
1755        return $r
1756}
1757
1758proc mapdesc {state path} {
1759        global all_descs
1760
1761        if {[catch {set r $all_descs($state)}]} {
1762                puts "error: no desc for state={$state} $path"
1763                return $state
1764        }
1765        return $r
1766}
1767
1768proc ui_status {msg} {
1769        global main_status
1770        if {[info exists main_status]} {
1771                $main_status show $msg
1772        }
1773}
1774
1775proc ui_ready {{test {}}} {
1776        global main_status
1777        if {[info exists main_status]} {
1778                $main_status show [mc "Ready."] $test
1779        }
1780}
1781
1782proc escape_path {path} {
1783        regsub -all {\\} $path "\\\\" path
1784        regsub -all "\n" $path "\\n" path
1785        return $path
1786}
1787
1788proc short_path {path} {
1789        return [escape_path [lindex [file split $path] end]]
1790}
1791
1792set next_icon_id 0
1793set null_sha1 [string repeat 0 40]
1794
1795proc merge_state {path new_state {head_info {}} {index_info {}}} {
1796        global file_states next_icon_id null_sha1
1797
1798        set s0 [string index $new_state 0]
1799        set s1 [string index $new_state 1]
1800
1801        if {[catch {set info $file_states($path)}]} {
1802                set state __
1803                set icon n[incr next_icon_id]
1804        } else {
1805                set state [lindex $info 0]
1806                set icon [lindex $info 1]
1807                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1808                if {$index_info eq {}} {set index_info [lindex $info 3]}
1809        }
1810
1811        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1812        elseif {$s0 eq {_}} {set s0 _}
1813
1814        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1815        elseif {$s1 eq {_}} {set s1 _}
1816
1817        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1818                set head_info [list 0 $null_sha1]
1819        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1820                && $head_info eq {}} {
1821                set head_info $index_info
1822        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1823                set index_info $head_info
1824                set head_info {}
1825        }
1826
1827        set file_states($path) [list $s0$s1 $icon \
1828                $head_info $index_info \
1829                ]
1830        return $state
1831}
1832
1833proc display_file_helper {w path icon_name old_m new_m} {
1834        global file_lists
1835
1836        if {$new_m eq {_}} {
1837                set lno [lsearch -sorted -exact $file_lists($w) $path]
1838                if {$lno >= 0} {
1839                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1840                        incr lno
1841                        $w conf -state normal
1842                        $w delete $lno.0 [expr {$lno + 1}].0
1843                        $w conf -state disabled
1844                }
1845        } elseif {$old_m eq {_} && $new_m ne {_}} {
1846                lappend file_lists($w) $path
1847                set file_lists($w) [lsort -unique $file_lists($w)]
1848                set lno [lsearch -sorted -exact $file_lists($w) $path]
1849                incr lno
1850                $w conf -state normal
1851                $w image create $lno.0 \
1852                        -align center -padx 5 -pady 1 \
1853                        -name $icon_name \
1854                        -image [mapicon $w $new_m $path]
1855                $w insert $lno.1 "[escape_path $path]\n"
1856                $w conf -state disabled
1857        } elseif {$old_m ne $new_m} {
1858                $w conf -state normal
1859                $w image conf $icon_name -image [mapicon $w $new_m $path]
1860                $w conf -state disabled
1861        }
1862}
1863
1864proc display_file {path state} {
1865        global file_states selected_paths
1866        global ui_index ui_workdir
1867
1868        set old_m [merge_state $path $state]
1869        set s $file_states($path)
1870        set new_m [lindex $s 0]
1871        set icon_name [lindex $s 1]
1872
1873        set o [string index $old_m 0]
1874        set n [string index $new_m 0]
1875        if {$o eq {U}} {
1876                set o _
1877        }
1878        if {$n eq {U}} {
1879                set n _
1880        }
1881        display_file_helper     $ui_index $path $icon_name $o $n
1882
1883        if {[string index $old_m 0] eq {U}} {
1884                set o U
1885        } else {
1886                set o [string index $old_m 1]
1887        }
1888        if {[string index $new_m 0] eq {U}} {
1889                set n U
1890        } else {
1891                set n [string index $new_m 1]
1892        }
1893        display_file_helper     $ui_workdir $path $icon_name $o $n
1894
1895        if {$new_m eq {__}} {
1896                unset file_states($path)
1897                catch {unset selected_paths($path)}
1898        }
1899}
1900
1901proc display_all_files_helper {w path icon_name m} {
1902        global file_lists
1903
1904        lappend file_lists($w) $path
1905        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1906        $w image create end \
1907                -align center -padx 5 -pady 1 \
1908                -name $icon_name \
1909                -image [mapicon $w $m $path]
1910        $w insert end "[escape_path $path]\n"
1911}
1912
1913set files_warning 0
1914proc display_all_files {} {
1915        global ui_index ui_workdir
1916        global file_states file_lists
1917        global last_clicked
1918        global files_warning
1919
1920        $ui_index conf -state normal
1921        $ui_workdir conf -state normal
1922
1923        $ui_index delete 0.0 end
1924        $ui_workdir delete 0.0 end
1925        set last_clicked {}
1926
1927        set file_lists($ui_index) [list]
1928        set file_lists($ui_workdir) [list]
1929
1930        set to_display [lsort [array names file_states]]
1931        set display_limit [get_config gui.maxfilesdisplayed]
1932        if {[llength $to_display] > $display_limit} {
1933                if {!$files_warning} {
1934                        # do not repeatedly warn:
1935                        set files_warning 1
1936                        info_popup [mc "Displaying only %s of %s files." \
1937                                $display_limit [llength $to_display]]
1938                }
1939                set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1940        }
1941        foreach path $to_display {
1942                set s $file_states($path)
1943                set m [lindex $s 0]
1944                set icon_name [lindex $s 1]
1945
1946                set s [string index $m 0]
1947                if {$s ne {U} && $s ne {_}} {
1948                        display_all_files_helper $ui_index $path \
1949                                $icon_name $s
1950                }
1951
1952                if {[string index $m 0] eq {U}} {
1953                        set s U
1954                } else {
1955                        set s [string index $m 1]
1956                }
1957                if {$s ne {_}} {
1958                        display_all_files_helper $ui_workdir $path \
1959                                $icon_name $s
1960                }
1961        }
1962
1963        $ui_index conf -state disabled
1964        $ui_workdir conf -state disabled
1965}
1966
1967######################################################################
1968##
1969## icons
1970
1971set filemask {
1972#define mask_width 14
1973#define mask_height 15
1974static unsigned char mask_bits[] = {
1975   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1976   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1977   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1978}
1979
1980image create bitmap file_plain -background white -foreground black -data {
1981#define plain_width 14
1982#define plain_height 15
1983static unsigned char plain_bits[] = {
1984   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1985   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1986   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1987} -maskdata $filemask
1988
1989image create bitmap file_mod -background white -foreground blue -data {
1990#define mod_width 14
1991#define mod_height 15
1992static unsigned char mod_bits[] = {
1993   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1994   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1995   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1996} -maskdata $filemask
1997
1998image create bitmap file_fulltick -background white -foreground "#007000" -data {
1999#define file_fulltick_width 14
2000#define file_fulltick_height 15
2001static unsigned char file_fulltick_bits[] = {
2002   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2003   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2004   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2005} -maskdata $filemask
2006
2007image create bitmap file_question -background white -foreground black -data {
2008#define file_question_width 14
2009#define file_question_height 15
2010static unsigned char file_question_bits[] = {
2011   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2012   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2013   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2014} -maskdata $filemask
2015
2016image create bitmap file_removed -background white -foreground red -data {
2017#define file_removed_width 14
2018#define file_removed_height 15
2019static unsigned char file_removed_bits[] = {
2020   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2021   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2022   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2023} -maskdata $filemask
2024
2025image create bitmap file_merge -background white -foreground blue -data {
2026#define file_merge_width 14
2027#define file_merge_height 15
2028static unsigned char file_merge_bits[] = {
2029   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2030   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2031   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2032} -maskdata $filemask
2033
2034image create bitmap file_statechange -background white -foreground green -data {
2035#define file_statechange_width 14
2036#define file_statechange_height 15
2037static unsigned char file_statechange_bits[] = {
2038   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2039   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2040   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2041} -maskdata $filemask
2042
2043set ui_index .vpane.files.index.list
2044set ui_workdir .vpane.files.workdir.list
2045
2046set all_icons(_$ui_index)   file_plain
2047set all_icons(A$ui_index)   file_plain
2048set all_icons(M$ui_index)   file_fulltick
2049set all_icons(D$ui_index)   file_removed
2050set all_icons(U$ui_index)   file_merge
2051set all_icons(T$ui_index)   file_statechange
2052
2053set all_icons(_$ui_workdir) file_plain
2054set all_icons(M$ui_workdir) file_mod
2055set all_icons(D$ui_workdir) file_question
2056set all_icons(U$ui_workdir) file_merge
2057set all_icons(O$ui_workdir) file_plain
2058set all_icons(T$ui_workdir) file_statechange
2059
2060set max_status_desc 0
2061foreach i {
2062                {__ {mc "Unmodified"}}
2063
2064                {_M {mc "Modified, not staged"}}
2065                {M_ {mc "Staged for commit"}}
2066                {MM {mc "Portions staged for commit"}}
2067                {MD {mc "Staged for commit, missing"}}
2068
2069                {_T {mc "File type changed, not staged"}}
2070                {MT {mc "File type changed, old type staged for commit"}}
2071                {AT {mc "File type changed, old type staged for commit"}}
2072                {T_ {mc "File type changed, staged"}}
2073                {TM {mc "File type change staged, modification not staged"}}
2074                {TD {mc "File type change staged, file missing"}}
2075
2076                {_O {mc "Untracked, not staged"}}
2077                {A_ {mc "Staged for commit"}}
2078                {AM {mc "Portions staged for commit"}}
2079                {AD {mc "Staged for commit, missing"}}
2080
2081                {_D {mc "Missing"}}
2082                {D_ {mc "Staged for removal"}}
2083                {DO {mc "Staged for removal, still present"}}
2084
2085                {_U {mc "Requires merge resolution"}}
2086                {U_ {mc "Requires merge resolution"}}
2087                {UU {mc "Requires merge resolution"}}
2088                {UM {mc "Requires merge resolution"}}
2089                {UD {mc "Requires merge resolution"}}
2090                {UT {mc "Requires merge resolution"}}
2091        } {
2092        set text [eval [lindex $i 1]]
2093        if {$max_status_desc < [string length $text]} {
2094                set max_status_desc [string length $text]
2095        }
2096        set all_descs([lindex $i 0]) $text
2097}
2098unset i
2099
2100######################################################################
2101##
2102## util
2103
2104proc scrollbar2many {list mode args} {
2105        foreach w $list {eval $w $mode $args}
2106}
2107
2108proc many2scrollbar {list mode sb top bottom} {
2109        $sb set $top $bottom
2110        foreach w $list {$w $mode moveto $top}
2111}
2112
2113proc incr_font_size {font {amt 1}} {
2114        set sz [font configure $font -size]
2115        incr sz $amt
2116        font configure $font -size $sz
2117        font configure ${font}bold -size $sz
2118        font configure ${font}italic -size $sz
2119}
2120
2121######################################################################
2122##
2123## ui commands
2124
2125set starting_gitk_msg [mc "Starting gitk... please wait..."]
2126
2127proc do_gitk {revs {is_submodule false}} {
2128        global current_diff_path file_states current_diff_side ui_index
2129        global _gitdir _gitworktree
2130
2131        # -- Always start gitk through whatever we were loaded with.  This
2132        #    lets us bypass using shell process on Windows systems.
2133        #
2134        set exe [_which gitk -script]
2135        set cmd [list [info nameofexecutable] $exe]
2136        if {$exe eq {}} {
2137                error_popup [mc "Couldn't find gitk in PATH"]
2138        } else {
2139                global env
2140
2141                set pwd [pwd]
2142
2143                if {!$is_submodule} {
2144                        if {![is_bare]} {
2145                                cd $_gitworktree
2146                        }
2147                } else {
2148                        cd $current_diff_path
2149                        if {$revs eq {--}} {
2150                                set s $file_states($current_diff_path)
2151                                set old_sha1 {}
2152                                set new_sha1 {}
2153                                switch -glob -- [lindex $s 0] {
2154                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2155                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2156                                MM {
2157                                        if {$current_diff_side eq $ui_index} {
2158                                                set old_sha1 [lindex [lindex $s 2] 1]
2159                                                set new_sha1 [lindex [lindex $s 3] 1]
2160                                        } else {
2161                                                set old_sha1 [lindex [lindex $s 3] 1]
2162                                        }
2163                                }
2164                                }
2165                                set revs $old_sha1...$new_sha1
2166                        }
2167                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2168                        # we've been using for the main repository, so unset them.
2169                        # TODO we could make life easier (start up faster?) for gitk
2170                        # by setting these to the appropriate values to allow gitk
2171                        # to skip the heuristics to find their proper value
2172                        unset env(GIT_DIR)
2173                        unset env(GIT_WORK_TREE)
2174                }
2175                eval exec $cmd $revs "--" "--" &
2176
2177                set env(GIT_DIR) $_gitdir
2178                set env(GIT_WORK_TREE) $_gitworktree
2179                cd $pwd
2180
2181                ui_status $::starting_gitk_msg
2182                after 10000 {
2183                        ui_ready $starting_gitk_msg
2184                }
2185        }
2186}
2187
2188proc do_git_gui {} {
2189        global current_diff_path
2190
2191        # -- Always start git gui through whatever we were loaded with.  This
2192        #    lets us bypass using shell process on Windows systems.
2193        #
2194        set exe [list [_which git]]
2195        if {$exe eq {}} {
2196                error_popup [mc "Couldn't find git gui in PATH"]
2197        } else {
2198                global env
2199                global _gitdir _gitworktree
2200
2201                # see note in do_gitk about unsetting these vars when
2202                # running tools in a submodule
2203                unset env(GIT_DIR)
2204                unset env(GIT_WORK_TREE)
2205
2206                set pwd [pwd]
2207                cd $current_diff_path
2208
2209                eval exec $exe gui &
2210
2211                set env(GIT_DIR) $_gitdir
2212                set env(GIT_WORK_TREE) $_gitworktree
2213                cd $pwd
2214
2215                ui_status $::starting_gitk_msg
2216                after 10000 {
2217                        ui_ready $starting_gitk_msg
2218                }
2219        }
2220}
2221
2222proc do_explore {} {
2223        global _gitworktree
2224        set explorer {}
2225        if {[is_Cygwin] || [is_Windows]} {
2226                set explorer "explorer.exe"
2227        } elseif {[is_MacOSX]} {
2228                set explorer "open"
2229        } else {
2230                # freedesktop.org-conforming system is our best shot
2231                set explorer "xdg-open"
2232        }
2233        eval exec $explorer [list [file nativename $_gitworktree]] &
2234}
2235
2236set is_quitting 0
2237set ret_code    1
2238
2239proc terminate_me {win} {
2240        global ret_code
2241        if {$win ne {.}} return
2242        exit $ret_code
2243}
2244
2245proc do_quit {{rc {1}}} {
2246        global ui_comm is_quitting repo_config commit_type
2247        global GITGUI_BCK_exists GITGUI_BCK_i
2248        global ui_comm_spell
2249        global ret_code use_ttk
2250
2251        if {$is_quitting} return
2252        set is_quitting 1
2253
2254        if {[winfo exists $ui_comm]} {
2255                # -- Stash our current commit buffer.
2256                #
2257                set save [gitdir GITGUI_MSG]
2258                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2259                        file rename -force [gitdir GITGUI_BCK] $save
2260                        set GITGUI_BCK_exists 0
2261                } else {
2262                        set msg [string trim [$ui_comm get 0.0 end]]
2263                        regsub -all -line {[ \r\t]+$} $msg {} msg
2264                        if {(![string match amend* $commit_type]
2265                                || [$ui_comm edit modified])
2266                                && $msg ne {}} {
2267                                catch {
2268                                        set fd [open $save w]
2269                                        puts -nonewline $fd $msg
2270                                        close $fd
2271                                }
2272                        } else {
2273                                catch {file delete $save}
2274                        }
2275                }
2276
2277                # -- Cancel our spellchecker if its running.
2278                #
2279                if {[info exists ui_comm_spell]} {
2280                        $ui_comm_spell stop
2281                }
2282
2283                # -- Remove our editor backup, its not needed.
2284                #
2285                after cancel $GITGUI_BCK_i
2286                if {$GITGUI_BCK_exists} {
2287                        catch {file delete [gitdir GITGUI_BCK]}
2288                }
2289
2290                # -- Stash our current window geometry into this repository.
2291                #
2292                set cfg_wmstate [wm state .]
2293                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2294                        set rc_wmstate {}
2295                }
2296                if {$cfg_wmstate ne $rc_wmstate} {
2297                        catch {git config gui.wmstate $cfg_wmstate}
2298                }
2299                if {$cfg_wmstate eq {zoomed}} {
2300                        # on Windows wm geometry will lie about window
2301                        # position (but not size) when window is zoomed
2302                        # restore the window before querying wm geometry
2303                        wm state . normal
2304                }
2305                set cfg_geometry [list]
2306                lappend cfg_geometry [wm geometry .]
2307                if {$use_ttk} {
2308                        lappend cfg_geometry [.vpane sashpos 0]
2309                        lappend cfg_geometry [.vpane.files sashpos 0]
2310                } else {
2311                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2312                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2313                }
2314                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2315                        set rc_geometry {}
2316                }
2317                if {$cfg_geometry ne $rc_geometry} {
2318                        catch {git config gui.geometry $cfg_geometry}
2319                }
2320        }
2321
2322        set ret_code $rc
2323
2324        # Briefly enable send again, working around Tk bug
2325        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2326        tk appname [appname]
2327
2328        destroy .
2329}
2330
2331proc do_rescan {} {
2332        rescan ui_ready
2333}
2334
2335proc ui_do_rescan {} {
2336        rescan {force_first_diff ui_ready}
2337}
2338
2339proc do_commit {} {
2340        commit_tree
2341}
2342
2343proc next_diff {{after {}}} {
2344        global next_diff_p next_diff_w next_diff_i
2345        show_diff $next_diff_p $next_diff_w {} {} $after
2346}
2347
2348proc find_anchor_pos {lst name} {
2349        set lid [lsearch -sorted -exact $lst $name]
2350
2351        if {$lid == -1} {
2352                set lid 0
2353                foreach lname $lst {
2354                        if {$lname >= $name} break
2355                        incr lid
2356                }
2357        }
2358
2359        return $lid
2360}
2361
2362proc find_file_from {flist idx delta path mmask} {
2363        global file_states
2364
2365        set len [llength $flist]
2366        while {$idx >= 0 && $idx < $len} {
2367                set name [lindex $flist $idx]
2368
2369                if {$name ne $path && [info exists file_states($name)]} {
2370                        set state [lindex $file_states($name) 0]
2371
2372                        if {$mmask eq {} || [regexp $mmask $state]} {
2373                                return $idx
2374                        }
2375                }
2376
2377                incr idx $delta
2378        }
2379
2380        return {}
2381}
2382
2383proc find_next_diff {w path {lno {}} {mmask {}}} {
2384        global next_diff_p next_diff_w next_diff_i
2385        global file_lists ui_index ui_workdir
2386
2387        set flist $file_lists($w)
2388        if {$lno eq {}} {
2389                set lno [find_anchor_pos $flist $path]
2390        } else {
2391                incr lno -1
2392        }
2393
2394        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2395                if {$w eq $ui_index} {
2396                        set mmask "^$mmask"
2397                } else {
2398                        set mmask "$mmask\$"
2399                }
2400        }
2401
2402        set idx [find_file_from $flist $lno 1 $path $mmask]
2403        if {$idx eq {}} {
2404                incr lno -1
2405                set idx [find_file_from $flist $lno -1 $path $mmask]
2406        }
2407
2408        if {$idx ne {}} {
2409                set next_diff_w $w
2410                set next_diff_p [lindex $flist $idx]
2411                set next_diff_i [expr {$idx+1}]
2412                return 1
2413        } else {
2414                return 0
2415        }
2416}
2417
2418proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2419        global current_diff_path
2420
2421        if {$path ne $current_diff_path} {
2422                return {}
2423        } elseif {[find_next_diff $w $path $lno $mmask]} {
2424                return {next_diff;}
2425        } else {
2426                return {reshow_diff;}
2427        }
2428}
2429
2430proc select_first_diff {after} {
2431        global ui_workdir
2432
2433        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2434            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2435                next_diff $after
2436        } else {
2437                uplevel #0 $after
2438        }
2439}
2440
2441proc force_first_diff {after} {
2442        global ui_workdir current_diff_path file_states
2443
2444        if {[info exists file_states($current_diff_path)]} {
2445                set state [lindex $file_states($current_diff_path) 0]
2446        } else {
2447                set state {OO}
2448        }
2449
2450        set reselect 0
2451        if {[string first {U} $state] >= 0} {
2452                # Already a conflict, do nothing
2453        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2454                set reselect 1
2455        } elseif {[string index $state 1] ne {O}} {
2456                # Already a diff & no conflicts, do nothing
2457        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2458                set reselect 1
2459        }
2460
2461        if {$reselect} {
2462                next_diff $after
2463        } else {
2464                uplevel #0 $after
2465        }
2466}
2467
2468proc toggle_or_diff {w x y} {
2469        global file_states file_lists current_diff_path ui_index ui_workdir
2470        global last_clicked selected_paths
2471
2472        set pos [split [$w index @$x,$y] .]
2473        set lno [lindex $pos 0]
2474        set col [lindex $pos 1]
2475        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2476        if {$path eq {}} {
2477                set last_clicked {}
2478                return
2479        }
2480
2481        set last_clicked [list $w $lno]
2482        array unset selected_paths
2483        $ui_index tag remove in_sel 0.0 end
2484        $ui_workdir tag remove in_sel 0.0 end
2485
2486        # Determine the state of the file
2487        if {[info exists file_states($path)]} {
2488                set state [lindex $file_states($path) 0]
2489        } else {
2490                set state {__}
2491        }
2492
2493        # Restage the file, or simply show the diff
2494        if {$col == 0 && $y > 1} {
2495                # Conflicts need special handling
2496                if {[string first {U} $state] >= 0} {
2497                        # $w must always be $ui_workdir, but...
2498                        if {$w ne $ui_workdir} { set lno {} }
2499                        merge_stage_workdir $path $lno
2500                        return
2501                }
2502
2503                if {[string index $state 1] eq {O}} {
2504                        set mmask {}
2505                } else {
2506                        set mmask {[^O]}
2507                }
2508
2509                set after [next_diff_after_action $w $path $lno $mmask]
2510
2511                if {$w eq $ui_index} {
2512                        update_indexinfo \
2513                                "Unstaging [short_path $path] from commit" \
2514                                [list $path] \
2515                                [concat $after [list ui_ready]]
2516                } elseif {$w eq $ui_workdir} {
2517                        update_index \
2518                                "Adding [short_path $path]" \
2519                                [list $path] \
2520                                [concat $after [list ui_ready]]
2521                }
2522        } else {
2523                set selected_paths($path) 1
2524                show_diff $path $w $lno
2525        }
2526}
2527
2528proc add_one_to_selection {w x y} {
2529        global file_lists last_clicked selected_paths
2530
2531        set lno [lindex [split [$w index @$x,$y] .] 0]
2532        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2533        if {$path eq {}} {
2534                set last_clicked {}
2535                return
2536        }
2537
2538        if {$last_clicked ne {}
2539                && [lindex $last_clicked 0] ne $w} {
2540                array unset selected_paths
2541                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2542        }
2543
2544        set last_clicked [list $w $lno]
2545        if {[catch {set in_sel $selected_paths($path)}]} {
2546                set in_sel 0
2547        }
2548        if {$in_sel} {
2549                unset selected_paths($path)
2550                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2551        } else {
2552                set selected_paths($path) 1
2553                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2554        }
2555}
2556
2557proc add_range_to_selection {w x y} {
2558        global file_lists last_clicked selected_paths
2559
2560        if {[lindex $last_clicked 0] ne $w} {
2561                toggle_or_diff $w $x $y
2562                return
2563        }
2564
2565        set lno [lindex [split [$w index @$x,$y] .] 0]
2566        set lc [lindex $last_clicked 1]
2567        if {$lc < $lno} {
2568                set begin $lc
2569                set end $lno
2570        } else {
2571                set begin $lno
2572                set end $lc
2573        }
2574
2575        foreach path [lrange $file_lists($w) \
2576                [expr {$begin - 1}] \
2577                [expr {$end - 1}]] {
2578                set selected_paths($path) 1
2579        }
2580        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2581}
2582
2583proc show_more_context {} {
2584        global repo_config
2585        if {$repo_config(gui.diffcontext) < 99} {
2586                incr repo_config(gui.diffcontext)
2587                reshow_diff
2588        }
2589}
2590
2591proc show_less_context {} {
2592        global repo_config
2593        if {$repo_config(gui.diffcontext) > 1} {
2594                incr repo_config(gui.diffcontext) -1
2595                reshow_diff
2596        }
2597}
2598
2599######################################################################
2600##
2601## ui construction
2602
2603set ui_comm {}
2604
2605# -- Menu Bar
2606#
2607menu .mbar -tearoff 0
2608if {[is_MacOSX]} {
2609        # -- Apple Menu (Mac OS X only)
2610        #
2611        .mbar add cascade -label Apple -menu .mbar.apple
2612        menu .mbar.apple
2613}
2614.mbar add cascade -label [mc Repository] -menu .mbar.repository
2615.mbar add cascade -label [mc Edit] -menu .mbar.edit
2616if {[is_enabled branch]} {
2617        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2618}
2619if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2620        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2621}
2622if {[is_enabled transport]} {
2623        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2624        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2625}
2626if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2627        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2628}
2629
2630# -- Repository Menu
2631#
2632menu .mbar.repository
2633
2634if {![is_bare]} {
2635        .mbar.repository add command \
2636                -label [mc "Explore Working Copy"] \
2637                -command {do_explore}
2638        .mbar.repository add separator
2639}
2640
2641.mbar.repository add command \
2642        -label [mc "Browse Current Branch's Files"] \
2643        -command {browser::new $current_branch}
2644set ui_browse_current [.mbar.repository index last]
2645.mbar.repository add command \
2646        -label [mc "Browse Branch Files..."] \
2647        -command browser_open::dialog
2648.mbar.repository add separator
2649
2650.mbar.repository add command \
2651        -label [mc "Visualize Current Branch's History"] \
2652        -command {do_gitk $current_branch}
2653set ui_visualize_current [.mbar.repository index last]
2654.mbar.repository add command \
2655        -label [mc "Visualize All Branch History"] \
2656        -command {do_gitk --all}
2657.mbar.repository add separator
2658
2659proc current_branch_write {args} {
2660        global current_branch
2661        .mbar.repository entryconf $::ui_browse_current \
2662                -label [mc "Browse %s's Files" $current_branch]
2663        .mbar.repository entryconf $::ui_visualize_current \
2664                -label [mc "Visualize %s's History" $current_branch]
2665}
2666trace add variable current_branch write current_branch_write
2667
2668if {[is_enabled multicommit]} {
2669        .mbar.repository add command -label [mc "Database Statistics"] \
2670                -command do_stats
2671
2672        .mbar.repository add command -label [mc "Compress Database"] \
2673                -command do_gc
2674
2675        .mbar.repository add command -label [mc "Verify Database"] \
2676                -command do_fsck_objects
2677
2678        .mbar.repository add separator
2679
2680        if {[is_Cygwin]} {
2681                .mbar.repository add command \
2682                        -label [mc "Create Desktop Icon"] \
2683                        -command do_cygwin_shortcut
2684        } elseif {[is_Windows]} {
2685                .mbar.repository add command \
2686                        -label [mc "Create Desktop Icon"] \
2687                        -command do_windows_shortcut
2688        } elseif {[is_MacOSX]} {
2689                .mbar.repository add command \
2690                        -label [mc "Create Desktop Icon"] \
2691                        -command do_macosx_app
2692        }
2693}
2694
2695if {[is_MacOSX]} {
2696        proc ::tk::mac::Quit {args} { do_quit }
2697} else {
2698        .mbar.repository add command -label [mc Quit] \
2699                -command do_quit \
2700                -accelerator $M1T-Q
2701}
2702
2703# -- Edit Menu
2704#
2705menu .mbar.edit
2706.mbar.edit add command -label [mc Undo] \
2707        -command {catch {[focus] edit undo}} \
2708        -accelerator $M1T-Z
2709.mbar.edit add command -label [mc Redo] \
2710        -command {catch {[focus] edit redo}} \
2711        -accelerator $M1T-Y
2712.mbar.edit add separator
2713.mbar.edit add command -label [mc Cut] \
2714        -command {catch {tk_textCut [focus]}} \
2715        -accelerator $M1T-X
2716.mbar.edit add command -label [mc Copy] \
2717        -command {catch {tk_textCopy [focus]}} \
2718        -accelerator $M1T-C
2719.mbar.edit add command -label [mc Paste] \
2720        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2721        -accelerator $M1T-V
2722.mbar.edit add command -label [mc Delete] \
2723        -command {catch {[focus] delete sel.first sel.last}} \
2724        -accelerator Del
2725.mbar.edit add separator
2726.mbar.edit add command -label [mc "Select All"] \
2727        -command {catch {[focus] tag add sel 0.0 end}} \
2728        -accelerator $M1T-A
2729
2730# -- Branch Menu
2731#
2732if {[is_enabled branch]} {
2733        menu .mbar.branch
2734
2735        .mbar.branch add command -label [mc "Create..."] \
2736                -command branch_create::dialog \
2737                -accelerator $M1T-N
2738        lappend disable_on_lock [list .mbar.branch entryconf \
2739                [.mbar.branch index last] -state]
2740
2741        .mbar.branch add command -label [mc "Checkout..."] \
2742                -command branch_checkout::dialog \
2743                -accelerator $M1T-O
2744        lappend disable_on_lock [list .mbar.branch entryconf \
2745                [.mbar.branch index last] -state]
2746
2747        .mbar.branch add command -label [mc "Rename..."] \
2748                -command branch_rename::dialog
2749        lappend disable_on_lock [list .mbar.branch entryconf \
2750                [.mbar.branch index last] -state]
2751
2752        .mbar.branch add command -label [mc "Delete..."] \
2753                -command branch_delete::dialog
2754        lappend disable_on_lock [list .mbar.branch entryconf \
2755                [.mbar.branch index last] -state]
2756
2757        .mbar.branch add command -label [mc "Reset..."] \
2758                -command merge::reset_hard
2759        lappend disable_on_lock [list .mbar.branch entryconf \
2760                [.mbar.branch index last] -state]
2761}
2762
2763# -- Commit Menu
2764#
2765proc commit_btn_caption {} {
2766        if {[is_enabled nocommit]} {
2767                return [mc "Done"]
2768        } else {
2769                return [mc Commit@@verb]
2770        }
2771}
2772
2773if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2774        menu .mbar.commit
2775
2776        if {![is_enabled nocommit]} {
2777                .mbar.commit add radiobutton \
2778                        -label [mc "New Commit"] \
2779                        -command do_select_commit_type \
2780                        -variable selected_commit_type \
2781                        -value new
2782                lappend disable_on_lock \
2783                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2784
2785                .mbar.commit add radiobutton \
2786                        -label [mc "Amend Last Commit"] \
2787                        -command do_select_commit_type \
2788                        -variable selected_commit_type \
2789                        -value amend
2790                lappend disable_on_lock \
2791                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2792
2793                .mbar.commit add separator
2794        }
2795
2796        .mbar.commit add command -label [mc Rescan] \
2797                -command ui_do_rescan \
2798                -accelerator F5
2799        lappend disable_on_lock \
2800                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2801
2802        .mbar.commit add command -label [mc "Stage To Commit"] \
2803                -command do_add_selection \
2804                -accelerator $M1T-T
2805        lappend disable_on_lock \
2806                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2807
2808        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2809                -command do_add_all \
2810                -accelerator $M1T-I
2811        lappend disable_on_lock \
2812                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2813
2814        .mbar.commit add command -label [mc "Unstage From Commit"] \
2815                -command do_unstage_selection \
2816                -accelerator $M1T-U
2817        lappend disable_on_lock \
2818                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2819
2820        .mbar.commit add command -label [mc "Revert Changes"] \
2821                -command do_revert_selection \
2822                -accelerator $M1T-J
2823        lappend disable_on_lock \
2824                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2825
2826        .mbar.commit add separator
2827
2828        .mbar.commit add command -label [mc "Show Less Context"] \
2829                -command show_less_context \
2830                -accelerator $M1T-\-
2831
2832        .mbar.commit add command -label [mc "Show More Context"] \
2833                -command show_more_context \
2834                -accelerator $M1T-=
2835
2836        .mbar.commit add separator
2837
2838        if {![is_enabled nocommitmsg]} {
2839                .mbar.commit add command -label [mc "Sign Off"] \
2840                        -command do_signoff \
2841                        -accelerator $M1T-S
2842        }
2843
2844        .mbar.commit add command -label [commit_btn_caption] \
2845                -command do_commit \
2846                -accelerator $M1T-Return
2847        lappend disable_on_lock \
2848                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2849}
2850
2851# -- Merge Menu
2852#
2853if {[is_enabled branch]} {
2854        menu .mbar.merge
2855        .mbar.merge add command -label [mc "Local Merge..."] \
2856                -command merge::dialog \
2857                -accelerator $M1T-M
2858        lappend disable_on_lock \
2859                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2860        .mbar.merge add command -label [mc "Abort Merge..."] \
2861                -command merge::reset_hard
2862        lappend disable_on_lock \
2863                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2864}
2865
2866# -- Transport Menu
2867#
2868if {[is_enabled transport]} {
2869        menu .mbar.remote
2870
2871        .mbar.remote add command \
2872                -label [mc "Add..."] \
2873                -command remote_add::dialog \
2874                -accelerator $M1T-A
2875        .mbar.remote add command \
2876                -label [mc "Push..."] \
2877                -command do_push_anywhere \
2878                -accelerator $M1T-P
2879        .mbar.remote add command \
2880                -label [mc "Delete Branch..."] \
2881                -command remote_branch_delete::dialog
2882}
2883
2884if {[is_MacOSX]} {
2885        proc ::tk::mac::ShowPreferences {} {do_options}
2886} else {
2887        # -- Edit Menu
2888        #
2889        .mbar.edit add separator
2890        .mbar.edit add command -label [mc "Options..."] \
2891                -command do_options
2892}
2893
2894# -- Tools Menu
2895#
2896if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2897        set tools_menubar .mbar.tools
2898        menu $tools_menubar
2899        $tools_menubar add separator
2900        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2901        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2902        set tools_tailcnt 3
2903        if {[array names repo_config guitool.*.cmd] ne {}} {
2904                tools_populate_all
2905        }
2906}
2907
2908# -- Help Menu
2909#
2910.mbar add cascade -label [mc Help] -menu .mbar.help
2911menu .mbar.help
2912
2913if {[is_MacOSX]} {
2914        .mbar.apple add command -label [mc "About %s" [appname]] \
2915                -command do_about
2916        .mbar.apple add separator
2917} else {
2918        .mbar.help add command -label [mc "About %s" [appname]] \
2919                -command do_about
2920}
2921. configure -menu .mbar
2922
2923set doc_path [githtmldir]
2924if {$doc_path ne {}} {
2925        set doc_path [file join $doc_path index.html]
2926
2927        if {[is_Cygwin]} {
2928                set doc_path [exec cygpath --mixed $doc_path]
2929        }
2930}
2931
2932if {[file isfile $doc_path]} {
2933        set doc_url "file:$doc_path"
2934} else {
2935        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2936}
2937
2938proc start_browser {url} {
2939        git "web--browse" $url
2940}
2941
2942.mbar.help add command -label [mc "Online Documentation"] \
2943        -command [list start_browser $doc_url]
2944
2945.mbar.help add command -label [mc "Show SSH Key"] \
2946        -command do_ssh_key
2947
2948unset doc_path doc_url
2949
2950# -- Standard bindings
2951#
2952wm protocol . WM_DELETE_WINDOW do_quit
2953bind all <$M1B-Key-q> do_quit
2954bind all <$M1B-Key-Q> do_quit
2955bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2956bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2957
2958set subcommand_args {}
2959proc usage {} {
2960        set s "usage: $::argv0 $::subcommand $::subcommand_args"
2961        if {[tk windowingsystem] eq "win32"} {
2962                wm withdraw .
2963                tk_messageBox -icon info -message $s \
2964                        -title [mc "Usage"]
2965        } else {
2966                puts stderr $s
2967        }
2968        exit 1
2969}
2970
2971proc normalize_relpath {path} {
2972        set elements {}
2973        foreach item [file split $path] {
2974                if {$item eq {.}} continue
2975                if {$item eq {..} && [llength $elements] > 0
2976                    && [lindex $elements end] ne {..}} {
2977                        set elements [lrange $elements 0 end-1]
2978                        continue
2979                }
2980                lappend elements $item
2981        }
2982        return [eval file join $elements]
2983}
2984
2985# -- Not a normal commit type invocation?  Do that instead!
2986#
2987switch -- $subcommand {
2988browser -
2989blame {
2990        if {$subcommand eq "blame"} {
2991                set subcommand_args {[--line=<num>] rev? path}
2992        } else {
2993                set subcommand_args {rev? path}
2994        }
2995        if {$argv eq {}} usage
2996        set head {}
2997        set path {}
2998        set jump_spec {}
2999        set is_path 0
3000        foreach a $argv {
3001                if {$is_path || [file exists $_prefix$a]} {
3002                        if {$path ne {}} usage
3003                        set path [normalize_relpath $_prefix$a]
3004                        break
3005                } elseif {$a eq {--}} {
3006                        if {$path ne {}} {
3007                                if {$head ne {}} usage
3008                                set head $path
3009                                set path {}
3010                        }
3011                        set is_path 1
3012                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3013                        if {$jump_spec ne {} || $head ne {}} usage
3014                        set jump_spec [list $lnum]
3015                } elseif {$head eq {}} {
3016                        if {$head ne {}} usage
3017                        set head $a
3018                        set is_path 1
3019                } else {
3020                        usage
3021                }
3022        }
3023        unset is_path
3024
3025        if {$head ne {} && $path eq {}} {
3026                set path [normalize_relpath $_prefix$head]
3027                set head {}
3028        }
3029
3030        if {$head eq {}} {
3031                load_current_branch
3032        } else {
3033                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3034                        if {[catch {
3035                                        set head [git rev-parse --verify $head]
3036                                } err]} {
3037                                if {[tk windowingsystem] eq "win32"} {
3038                                        tk_messageBox -icon error -title [mc Error] -message $err
3039                                } else {
3040                                        puts stderr $err
3041                                }
3042                                exit 1
3043                        }
3044                }
3045                set current_branch $head
3046        }
3047
3048        wm deiconify .
3049        switch -- $subcommand {
3050        browser {
3051                if {$jump_spec ne {}} usage
3052                if {$head eq {}} {
3053                        if {$path ne {} && [file isdirectory $path]} {
3054                                set head $current_branch
3055                        } else {
3056                                set head $path
3057                                set path {}
3058                        }
3059                }
3060                browser::new $head $path
3061        }
3062        blame   {
3063                if {$head eq {} && ![file exists $path]} {
3064                        catch {wm withdraw .}
3065                        tk_messageBox \
3066                                -icon error \
3067                                -type ok \
3068                                -title [mc "git-gui: fatal error"] \
3069                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3070                        exit 1
3071                }
3072                blame::new $head $path $jump_spec
3073        }
3074        }
3075        return
3076}
3077citool -
3078gui {
3079        if {[llength $argv] != 0} {
3080                usage
3081        }
3082        # fall through to setup UI for commits
3083}
3084default {
3085        set err "usage: $argv0 \[{blame|browser|citool}\]"
3086        if {[tk windowingsystem] eq "win32"} {
3087                wm withdraw .
3088                tk_messageBox -icon error -message $err \
3089                        -title [mc "Usage"]
3090        } else {
3091                puts stderr $err
3092        }
3093        exit 1
3094}
3095}
3096
3097# -- Branch Control
3098#
3099${NS}::frame .branch
3100if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3101${NS}::label .branch.l1 \
3102        -text [mc "Current Branch:"] \
3103        -anchor w \
3104        -justify left
3105${NS}::label .branch.cb \
3106        -textvariable current_branch \
3107        -anchor w \
3108        -justify left
3109pack .branch.l1 -side left
3110pack .branch.cb -side left -fill x
3111pack .branch -side top -fill x
3112
3113# -- Main Window Layout
3114#
3115${NS}::panedwindow .vpane -orient horizontal
3116${NS}::panedwindow .vpane.files -orient vertical
3117if {$use_ttk} {
3118        .vpane add .vpane.files
3119} else {
3120        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3121}
3122pack .vpane -anchor n -side top -fill both -expand 1
3123
3124# -- Index File List
3125#
3126${NS}::frame .vpane.files.index -height 100 -width 200
3127tlabel .vpane.files.index.title \
3128        -text [mc "Staged Changes (Will Commit)"] \
3129        -background lightgreen -foreground black
3130text $ui_index -background white -foreground black \
3131        -borderwidth 0 \
3132        -width 20 -height 10 \
3133        -wrap none \
3134        -cursor $cursor_ptr \
3135        -xscrollcommand {.vpane.files.index.sx set} \
3136        -yscrollcommand {.vpane.files.index.sy set} \
3137        -state disabled
3138${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3139${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3140pack .vpane.files.index.title -side top -fill x
3141pack .vpane.files.index.sx -side bottom -fill x
3142pack .vpane.files.index.sy -side right -fill y
3143pack $ui_index -side left -fill both -expand 1
3144
3145# -- Working Directory File List
3146#
3147${NS}::frame .vpane.files.workdir -height 100 -width 200
3148tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3149        -background lightsalmon -foreground black
3150text $ui_workdir -background white -foreground black \
3151        -borderwidth 0 \
3152        -width 20 -height 10 \
3153        -wrap none \
3154        -cursor $cursor_ptr \
3155        -xscrollcommand {.vpane.files.workdir.sx set} \
3156        -yscrollcommand {.vpane.files.workdir.sy set} \
3157        -state disabled
3158${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3159${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3160pack .vpane.files.workdir.title -side top -fill x
3161pack .vpane.files.workdir.sx -side bottom -fill x
3162pack .vpane.files.workdir.sy -side right -fill y
3163pack $ui_workdir -side left -fill both -expand 1
3164
3165.vpane.files add .vpane.files.workdir
3166.vpane.files add .vpane.files.index
3167if {!$use_ttk} {
3168        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3169        .vpane.files paneconfigure .vpane.files.index -sticky news
3170}
3171
3172foreach i [list $ui_index $ui_workdir] {
3173        rmsel_tag $i
3174        $i tag conf in_diff -background [$i tag cget in_sel -background]
3175}
3176unset i
3177
3178# -- Diff and Commit Area
3179#
3180${NS}::frame .vpane.lower -height 300 -width 400
3181${NS}::frame .vpane.lower.commarea
3182${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1
3183pack .vpane.lower.diff -fill both -expand 1
3184pack .vpane.lower.commarea -side bottom -fill x
3185.vpane add .vpane.lower
3186if {!$use_ttk} {.vpane paneconfigure .vpane.lower -sticky nsew}
3187
3188# -- Commit Area Buttons
3189#
3190${NS}::frame .vpane.lower.commarea.buttons
3191${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3192        -anchor w \
3193        -justify left
3194pack .vpane.lower.commarea.buttons.l -side top -fill x
3195pack .vpane.lower.commarea.buttons -side left -fill y
3196
3197${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3198        -command ui_do_rescan
3199pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3200lappend disable_on_lock \
3201        {.vpane.lower.commarea.buttons.rescan conf -state}
3202
3203${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3204        -command do_add_all
3205pack .vpane.lower.commarea.buttons.incall -side top -fill x
3206lappend disable_on_lock \
3207        {.vpane.lower.commarea.buttons.incall conf -state}
3208
3209if {![is_enabled nocommitmsg]} {
3210        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3211                -command do_signoff
3212        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3213}
3214
3215${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3216        -command do_commit
3217pack .vpane.lower.commarea.buttons.commit -side top -fill x
3218lappend disable_on_lock \
3219        {.vpane.lower.commarea.buttons.commit conf -state}
3220
3221if {![is_enabled nocommit]} {
3222        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3223                -command do_push_anywhere
3224        pack .vpane.lower.commarea.buttons.push -side top -fill x
3225}
3226
3227# -- Commit Message Buffer
3228#
3229${NS}::frame .vpane.lower.commarea.buffer
3230${NS}::frame .vpane.lower.commarea.buffer.header
3231set ui_comm .vpane.lower.commarea.buffer.t
3232set ui_coml .vpane.lower.commarea.buffer.header.l
3233
3234if {![is_enabled nocommit]} {
3235        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3236                -text [mc "New Commit"] \
3237                -command do_select_commit_type \
3238                -variable selected_commit_type \
3239                -value new
3240        lappend disable_on_lock \
3241                [list .vpane.lower.commarea.buffer.header.new conf -state]
3242        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3243                -text [mc "Amend Last Commit"] \
3244                -command do_select_commit_type \
3245                -variable selected_commit_type \
3246                -value amend
3247        lappend disable_on_lock \
3248                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3249}
3250
3251${NS}::label $ui_coml \
3252        -anchor w \
3253        -justify left
3254proc trace_commit_type {varname args} {
3255        global ui_coml commit_type
3256        switch -glob -- $commit_type {
3257        initial       {set txt [mc "Initial Commit Message:"]}
3258        amend         {set txt [mc "Amended Commit Message:"]}
3259        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3260        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3261        merge         {set txt [mc "Merge Commit Message:"]}
3262        *             {set txt [mc "Commit Message:"]}
3263        }
3264        $ui_coml conf -text $txt
3265}
3266trace add variable commit_type write trace_commit_type
3267pack $ui_coml -side left -fill x
3268
3269if {![is_enabled nocommit]} {
3270        pack .vpane.lower.commarea.buffer.header.amend -side right
3271        pack .vpane.lower.commarea.buffer.header.new -side right
3272}
3273
3274text $ui_comm -background white -foreground black \
3275        -borderwidth 1 \
3276        -undo true \
3277        -maxundo 20 \
3278        -autoseparators true \
3279        -relief sunken \
3280        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3281        -font font_diff \
3282        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3283${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3284        -command [list $ui_comm yview]
3285pack .vpane.lower.commarea.buffer.header -side top -fill x
3286pack .vpane.lower.commarea.buffer.sby -side right -fill y
3287pack $ui_comm -side left -fill y
3288pack .vpane.lower.commarea.buffer -side left -fill y
3289
3290# -- Commit Message Buffer Context Menu
3291#
3292set ctxm .vpane.lower.commarea.buffer.ctxm
3293menu $ctxm -tearoff 0
3294$ctxm add command \
3295        -label [mc Cut] \
3296        -command {tk_textCut $ui_comm}
3297$ctxm add command \
3298        -label [mc Copy] \
3299        -command {tk_textCopy $ui_comm}
3300$ctxm add command \
3301        -label [mc Paste] \
3302        -command {tk_textPaste $ui_comm}
3303$ctxm add command \
3304        -label [mc Delete] \
3305        -command {catch {$ui_comm delete sel.first sel.last}}
3306$ctxm add separator
3307$ctxm add command \
3308        -label [mc "Select All"] \
3309        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3310$ctxm add command \
3311        -label [mc "Copy All"] \
3312        -command {
3313                $ui_comm tag add sel 0.0 end
3314                tk_textCopy $ui_comm
3315                $ui_comm tag remove sel 0.0 end
3316        }
3317$ctxm add separator
3318$ctxm add command \
3319        -label [mc "Sign Off"] \
3320        -command do_signoff
3321set ui_comm_ctxm $ctxm
3322
3323# -- Diff Header
3324#
3325proc trace_current_diff_path {varname args} {
3326        global current_diff_path diff_actions file_states
3327        if {$current_diff_path eq {}} {
3328                set s {}
3329                set f {}
3330                set p {}
3331                set o disabled
3332        } else {
3333                set p $current_diff_path
3334                set s [mapdesc [lindex $file_states($p) 0] $p]
3335                set f [mc "File:"]
3336                set p [escape_path $p]
3337                set o normal
3338        }
3339
3340        .vpane.lower.diff.header.status configure -text $s
3341        .vpane.lower.diff.header.file configure -text $f
3342        .vpane.lower.diff.header.path configure -text $p
3343        foreach w $diff_actions {
3344                uplevel #0 $w $o
3345        }
3346}
3347trace add variable current_diff_path write trace_current_diff_path
3348
3349gold_frame .vpane.lower.diff.header
3350tlabel .vpane.lower.diff.header.status \
3351        -background gold \
3352        -foreground black \
3353        -width $max_status_desc \
3354        -anchor w \
3355        -justify left
3356tlabel .vpane.lower.diff.header.file \
3357        -background gold \
3358        -foreground black \
3359        -anchor w \
3360        -justify left
3361tlabel .vpane.lower.diff.header.path \
3362        -background gold \
3363        -foreground black \
3364        -anchor w \
3365        -justify left
3366pack .vpane.lower.diff.header.status -side left
3367pack .vpane.lower.diff.header.file -side left
3368pack .vpane.lower.diff.header.path -fill x
3369set ctxm .vpane.lower.diff.header.ctxm
3370menu $ctxm -tearoff 0
3371$ctxm add command \
3372        -label [mc Copy] \
3373        -command {
3374                clipboard clear
3375                clipboard append \
3376                        -format STRING \
3377                        -type STRING \
3378                        -- $current_diff_path
3379        }
3380lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3381bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3382
3383# -- Diff Body
3384#
3385${NS}::frame .vpane.lower.diff.body
3386set ui_diff .vpane.lower.diff.body.t
3387text $ui_diff -background white -foreground black \
3388        -borderwidth 0 \
3389        -width 80 -height 5 -wrap none \
3390        -font font_diff \
3391        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3392        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3393        -state disabled
3394catch {$ui_diff configure -tabstyle wordprocessor}
3395${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3396        -command [list $ui_diff xview]
3397${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3398        -command [list $ui_diff yview]
3399pack .vpane.lower.diff.body.sbx -side bottom -fill x
3400pack .vpane.lower.diff.body.sby -side right -fill y
3401pack $ui_diff -side left -fill both -expand 1
3402pack .vpane.lower.diff.header -side top -fill x
3403pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3404
3405foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3406        $ui_diff tag configure clr4$n -background $c
3407        $ui_diff tag configure clri4$n -foreground $c
3408        $ui_diff tag configure clr3$n -foreground $c
3409        $ui_diff tag configure clri3$n -background $c
3410}
3411$ui_diff tag configure clr1 -font font_diffbold
3412$ui_diff tag configure clr4 -underline 1
3413
3414$ui_diff tag conf d_info -foreground blue -font font_diffbold
3415
3416$ui_diff tag conf d_cr -elide true
3417$ui_diff tag conf d_@ -font font_diffbold
3418$ui_diff tag conf d_+ -foreground {#00a000}
3419$ui_diff tag conf d_- -foreground red
3420
3421$ui_diff tag conf d_++ -foreground {#00a000}
3422$ui_diff tag conf d_-- -foreground red
3423$ui_diff tag conf d_+s \
3424        -foreground {#00a000} \
3425        -background {#e2effa}
3426$ui_diff tag conf d_-s \
3427        -foreground red \
3428        -background {#e2effa}
3429$ui_diff tag conf d_s+ \
3430        -foreground {#00a000} \
3431        -background ivory1
3432$ui_diff tag conf d_s- \
3433        -foreground red \
3434        -background ivory1
3435
3436$ui_diff tag conf d< \
3437        -foreground orange \
3438        -font font_diffbold
3439$ui_diff tag conf d= \
3440        -foreground orange \
3441        -font font_diffbold
3442$ui_diff tag conf d> \
3443        -foreground orange \
3444        -font font_diffbold
3445
3446$ui_diff tag raise sel
3447
3448# -- Diff Body Context Menu
3449#
3450
3451proc create_common_diff_popup {ctxm} {
3452        $ctxm add command \
3453                -label [mc Refresh] \
3454                -command reshow_diff
3455        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3456        $ctxm add command \
3457                -label [mc Copy] \
3458                -command {tk_textCopy $ui_diff}
3459        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3460        $ctxm add command \
3461                -label [mc "Select All"] \
3462                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3463        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3464        $ctxm add command \
3465                -label [mc "Copy All"] \
3466                -command {
3467                        $ui_diff tag add sel 0.0 end
3468                        tk_textCopy $ui_diff
3469                        $ui_diff tag remove sel 0.0 end
3470                }
3471        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3472        $ctxm add separator
3473        $ctxm add command \
3474                -label [mc "Decrease Font Size"] \
3475                -command {incr_font_size font_diff -1}
3476        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3477        $ctxm add command \
3478                -label [mc "Increase Font Size"] \
3479                -command {incr_font_size font_diff 1}
3480        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3481        $ctxm add separator
3482        set emenu $ctxm.enc
3483        menu $emenu
3484        build_encoding_menu $emenu [list force_diff_encoding]
3485        $ctxm add cascade \
3486                -label [mc "Encoding"] \
3487                -menu $emenu
3488        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3489        $ctxm add separator
3490        $ctxm add command -label [mc "Options..."] \
3491                -command do_options
3492}
3493
3494set ctxm .vpane.lower.diff.body.ctxm
3495menu $ctxm -tearoff 0
3496$ctxm add command \
3497        -label [mc "Apply/Reverse Hunk"] \
3498        -command {apply_hunk $cursorX $cursorY}
3499set ui_diff_applyhunk [$ctxm index last]
3500lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3501$ctxm add command \
3502        -label [mc "Apply/Reverse Line"] \
3503        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3504set ui_diff_applyline [$ctxm index last]
3505lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3506$ctxm add separator
3507$ctxm add command \
3508        -label [mc "Show Less Context"] \
3509        -command show_less_context
3510lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3511$ctxm add command \
3512        -label [mc "Show More Context"] \
3513        -command show_more_context
3514lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3515$ctxm add separator
3516create_common_diff_popup $ctxm
3517
3518set ctxmmg .vpane.lower.diff.body.ctxmmg
3519menu $ctxmmg -tearoff 0
3520$ctxmmg add command \
3521        -label [mc "Run Merge Tool"] \
3522        -command {merge_resolve_tool}
3523lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3524$ctxmmg add separator
3525$ctxmmg add command \
3526        -label [mc "Use Remote Version"] \
3527        -command {merge_resolve_one 3}
3528lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3529$ctxmmg add command \
3530        -label [mc "Use Local Version"] \
3531        -command {merge_resolve_one 2}
3532lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3533$ctxmmg add command \
3534        -label [mc "Revert To Base"] \
3535        -command {merge_resolve_one 1}
3536lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3537$ctxmmg add separator
3538$ctxmmg add command \
3539        -label [mc "Show Less Context"] \
3540        -command show_less_context
3541lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3542$ctxmmg add command \
3543        -label [mc "Show More Context"] \
3544        -command show_more_context
3545lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3546$ctxmmg add separator
3547create_common_diff_popup $ctxmmg
3548
3549set ctxmsm .vpane.lower.diff.body.ctxmsm
3550menu $ctxmsm -tearoff 0
3551$ctxmsm add command \
3552        -label [mc "Visualize These Changes In The Submodule"] \
3553        -command {do_gitk -- true}
3554lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3555$ctxmsm add command \
3556        -label [mc "Visualize Current Branch History In The Submodule"] \
3557        -command {do_gitk {} true}
3558lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3559$ctxmsm add command \
3560        -label [mc "Visualize All Branch History In The Submodule"] \
3561        -command {do_gitk --all true}
3562lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3563$ctxmsm add separator
3564$ctxmsm add command \
3565        -label [mc "Start git gui In The Submodule"] \
3566        -command {do_git_gui}
3567lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3568$ctxmsm add separator
3569create_common_diff_popup $ctxmsm
3570
3571proc has_textconv {path} {
3572        if {[is_config_false gui.textconv]} {
3573                return 0
3574        }
3575        set filter [gitattr $path diff set]
3576        set textconv [get_config [join [list diff $filter textconv] .]]
3577        if {$filter ne {set} && $textconv ne {}} {
3578                return 1
3579        } else {
3580                return 0
3581        }
3582}
3583
3584proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3585        global current_diff_path file_states
3586        set ::cursorX $x
3587        set ::cursorY $y
3588        if {[info exists file_states($current_diff_path)]} {
3589                set state [lindex $file_states($current_diff_path) 0]
3590        } else {
3591                set state {__}
3592        }
3593        if {[string first {U} $state] >= 0} {
3594                tk_popup $ctxmmg $X $Y
3595        } elseif {$::is_submodule_diff} {
3596                tk_popup $ctxmsm $X $Y
3597        } else {
3598                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3599                if {$::ui_index eq $::current_diff_side} {
3600                        set l [mc "Unstage Hunk From Commit"]
3601                        if {$has_range} {
3602                                set t [mc "Unstage Lines From Commit"]
3603                        } else {
3604                                set t [mc "Unstage Line From Commit"]
3605                        }
3606                } else {
3607                        set l [mc "Stage Hunk For Commit"]
3608                        if {$has_range} {
3609                                set t [mc "Stage Lines For Commit"]
3610                        } else {
3611                                set t [mc "Stage Line For Commit"]
3612                        }
3613                }
3614                if {$::is_3way_diff
3615                        || $current_diff_path eq {}
3616                        || {__} eq $state
3617                        || {_O} eq $state
3618                        || [string match {?T} $state]
3619                        || [string match {T?} $state]
3620                        || [has_textconv $current_diff_path]} {
3621                        set s disabled
3622                } else {
3623                        set s normal
3624                }
3625                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3626                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3627                tk_popup $ctxm $X $Y
3628        }
3629}
3630bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3631
3632# -- Status Bar
3633#
3634set main_status [::status_bar::new .status]
3635pack .status -anchor w -side bottom -fill x
3636$main_status show [mc "Initializing..."]
3637
3638# -- Load geometry
3639#
3640proc on_ttk_pane_mapped {w pane pos} {
3641        bind $w <Map> {}
3642        after 0 [list after idle [list $w sashpos $pane $pos]]
3643}
3644proc on_tk_pane_mapped {w pane x y} {
3645        bind $w <Map> {}
3646        after 0 [list after idle [list $w sash place $pane $x $y]]
3647}
3648proc on_application_mapped {} {
3649        global repo_config use_ttk
3650        bind . <Map> {}
3651        set gm $repo_config(gui.geometry)
3652        if {$use_ttk} {
3653                bind .vpane <Map> \
3654                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3655                bind .vpane.files <Map> \
3656                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3657        } else {
3658                bind .vpane <Map> \
3659                    [list on_tk_pane_mapped %W 0 \
3660                         [lindex $gm 1] \
3661                         [lindex [.vpane sash coord 0] 1]]
3662                bind .vpane.files <Map> \
3663                    [list on_tk_pane_mapped %W 0 \
3664                         [lindex [.vpane.files sash coord 0] 0] \
3665                         [lindex $gm 2]]
3666        }
3667        wm geometry . [lindex $gm 0]
3668}
3669if {[info exists repo_config(gui.geometry)]} {
3670        bind . <Map> [list on_application_mapped]
3671        wm geometry . [lindex $repo_config(gui.geometry) 0]
3672}
3673
3674# -- Load window state
3675#
3676if {[info exists repo_config(gui.wmstate)]} {
3677        catch {wm state . $repo_config(gui.wmstate)}
3678}
3679
3680# -- Key Bindings
3681#
3682bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3683bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3684bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3685bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3686bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3687bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3688bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3689bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3690bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3691bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3692bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3693bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3694bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3695bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3696bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3697bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3698bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3699bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3700bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3701bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3702bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3703bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3704
3705bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3706bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3707bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3708bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3709bind $ui_diff <$M1B-Key-v> {break}
3710bind $ui_diff <$M1B-Key-V> {break}
3711bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3712bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3713bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3714bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3715bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3716bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3717bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3718bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3719bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3720bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3721bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3722bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3723bind $ui_diff <Button-1>   {focus %W}
3724
3725if {[is_enabled branch]} {
3726        bind . <$M1B-Key-n> branch_create::dialog
3727        bind . <$M1B-Key-N> branch_create::dialog
3728        bind . <$M1B-Key-o> branch_checkout::dialog
3729        bind . <$M1B-Key-O> branch_checkout::dialog
3730        bind . <$M1B-Key-m> merge::dialog
3731        bind . <$M1B-Key-M> merge::dialog
3732}
3733if {[is_enabled transport]} {
3734        bind . <$M1B-Key-p> do_push_anywhere
3735        bind . <$M1B-Key-P> do_push_anywhere
3736}
3737
3738bind .   <Key-F5>     ui_do_rescan
3739bind .   <$M1B-Key-r> ui_do_rescan
3740bind .   <$M1B-Key-R> ui_do_rescan
3741bind .   <$M1B-Key-s> do_signoff
3742bind .   <$M1B-Key-S> do_signoff
3743bind .   <$M1B-Key-t> do_add_selection
3744bind .   <$M1B-Key-T> do_add_selection
3745bind .   <$M1B-Key-j> do_revert_selection
3746bind .   <$M1B-Key-J> do_revert_selection
3747bind .   <$M1B-Key-i> do_add_all
3748bind .   <$M1B-Key-I> do_add_all
3749bind .   <$M1B-Key-minus> {show_less_context;break}
3750bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3751bind .   <$M1B-Key-equal> {show_more_context;break}
3752bind .   <$M1B-Key-plus> {show_more_context;break}
3753bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3754bind .   <$M1B-Key-Return> do_commit
3755foreach i [list $ui_index $ui_workdir] {
3756        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3757        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3758        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3759}
3760unset i
3761
3762set file_lists($ui_index) [list]
3763set file_lists($ui_workdir) [list]
3764
3765wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3766focus -force $ui_comm
3767
3768# -- Warn the user about environmental problems.  Cygwin's Tcl
3769#    does *not* pass its env array onto any processes it spawns.
3770#    This means that git processes get none of our environment.
3771#
3772if {[is_Cygwin]} {
3773        set ignored_env 0
3774        set suggest_user {}
3775        set msg [mc "Possible environment issues exist.
3776
3777The following environment variables are probably
3778going to be ignored by any Git subprocess run
3779by %s:
3780
3781" [appname]]
3782        foreach name [array names env] {
3783                switch -regexp -- $name {
3784                {^GIT_INDEX_FILE$} -
3785                {^GIT_OBJECT_DIRECTORY$} -
3786                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3787                {^GIT_DIFF_OPTS$} -
3788                {^GIT_EXTERNAL_DIFF$} -
3789                {^GIT_PAGER$} -
3790                {^GIT_TRACE$} -
3791                {^GIT_CONFIG$} -
3792                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3793                        append msg " - $name\n"
3794                        incr ignored_env
3795                }
3796                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3797                        append msg " - $name\n"
3798                        incr ignored_env
3799                        set suggest_user $name
3800                }
3801                }
3802        }
3803        if {$ignored_env > 0} {
3804                append msg [mc "
3805This is due to a known issue with the
3806Tcl binary distributed by Cygwin."]
3807
3808                if {$suggest_user ne {}} {
3809                        append msg [mc "
3810
3811A good replacement for %s
3812is placing values for the user.name and
3813user.email settings into your personal
3814~/.gitconfig file.
3815" $suggest_user]
3816                }
3817                warn_popup $msg
3818        }
3819        unset ignored_env msg suggest_user name
3820}
3821
3822# -- Only initialize complex UI if we are going to stay running.
3823#
3824if {[is_enabled transport]} {
3825        load_all_remotes
3826
3827        set n [.mbar.remote index end]
3828        populate_remotes_menu
3829        set n [expr {[.mbar.remote index end] - $n}]
3830        if {$n > 0} {
3831                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3832                .mbar.remote insert $n separator
3833        }
3834        unset n
3835}
3836
3837if {[winfo exists $ui_comm]} {
3838        set GITGUI_BCK_exists [load_message GITGUI_BCK]
3839
3840        # -- If both our backup and message files exist use the
3841        #    newer of the two files to initialize the buffer.
3842        #
3843        if {$GITGUI_BCK_exists} {
3844                set m [gitdir GITGUI_MSG]
3845                if {[file isfile $m]} {
3846                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3847                                catch {file delete [gitdir GITGUI_MSG]}
3848                        } else {
3849                                $ui_comm delete 0.0 end
3850                                $ui_comm edit reset
3851                                $ui_comm edit modified false
3852                                catch {file delete [gitdir GITGUI_BCK]}
3853                                set GITGUI_BCK_exists 0
3854                        }
3855                }
3856                unset m
3857        }
3858
3859        proc backup_commit_buffer {} {
3860                global ui_comm GITGUI_BCK_exists
3861
3862                set m [$ui_comm edit modified]
3863                if {$m || $GITGUI_BCK_exists} {
3864                        set msg [string trim [$ui_comm get 0.0 end]]
3865                        regsub -all -line {[ \r\t]+$} $msg {} msg
3866
3867                        if {$msg eq {}} {
3868                                if {$GITGUI_BCK_exists} {
3869                                        catch {file delete [gitdir GITGUI_BCK]}
3870                                        set GITGUI_BCK_exists 0
3871                                }
3872                        } elseif {$m} {
3873                                catch {
3874                                        set fd [open [gitdir GITGUI_BCK] w]
3875                                        puts -nonewline $fd $msg
3876                                        close $fd
3877                                        set GITGUI_BCK_exists 1
3878                                }
3879                        }
3880
3881                        $ui_comm edit modified false
3882                }
3883
3884                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3885        }
3886
3887        backup_commit_buffer
3888
3889        # -- If the user has aspell available we can drive it
3890        #    in pipe mode to spellcheck the commit message.
3891        #
3892        set spell_cmd [list |]
3893        set spell_dict [get_config gui.spellingdictionary]
3894        lappend spell_cmd aspell
3895        if {$spell_dict ne {}} {
3896                lappend spell_cmd --master=$spell_dict
3897        }
3898        lappend spell_cmd --mode=none
3899        lappend spell_cmd --encoding=utf-8
3900        lappend spell_cmd pipe
3901        if {$spell_dict eq {none}
3902         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3903                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3904        } else {
3905                set ui_comm_spell [spellcheck::init \
3906                        $spell_fd \
3907                        $ui_comm \
3908                        $ui_comm_ctxm \
3909                ]
3910        }
3911        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3912}
3913
3914lock_index begin-read
3915if {![winfo ismapped .]} {
3916        wm deiconify .
3917}
3918after 1 {
3919        if {[is_enabled initialamend]} {
3920                force_amend
3921        } else {
3922                do_rescan
3923        }
3924
3925        if {[is_enabled nocommitmsg]} {
3926                $ui_comm configure -state disabled -background gray
3927        }
3928}
3929if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
3930        after 1000 hint_gc
3931}
3932if {[is_enabled retcode]} {
3933        bind . <Destroy> {+terminate_me %W}
3934}
3935if {$picked && [is_config_true gui.autoexplore]} {
3936        do_explore
3937}
3938
3939# Local variables:
3940# mode: tcl
3941# indent-tabs-mode: t
3942# tab-width: 4
3943# End: