git-gui / git-gui.shon commit struct ref_update: move "have_old" into "flags" (8df4e51)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52set oguilib {@@GITGUI_LIBDIR@@}
  53set oguirel {@@GITGUI_RELATIVE@@}
  54if {$oguirel eq {1}} {
  55        set oguilib [file dirname [file normalize $argv0]]
  56        if {[file tail $oguilib] eq {git-core}} {
  57                set oguilib [file dirname $oguilib]
  58        }
  59        set oguilib [file dirname $oguilib]
  60        set oguilib [file join $oguilib share git-gui lib]
  61        set oguimsg [file join $oguilib msgs]
  62} elseif {[string match @@* $oguirel]} {
  63        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65} else {
  66        set oguimsg [file join $oguilib msgs]
  67}
  68unset oguirel
  69
  70######################################################################
  71##
  72## enable verbose loading?
  73
  74if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75        unset _verbose
  76        rename auto_load real__auto_load
  77        proc auto_load {name args} {
  78                puts stderr "auto_load $name"
  79                return [uplevel 1 real__auto_load $name $args]
  80        }
  81        rename source real__source
  82        proc source {name} {
  83                puts stderr "source    $name"
  84                uplevel 1 real__source $name
  85        }
  86        if {[tk windowingsystem] eq "win32"} { console show }
  87}
  88
  89######################################################################
  90##
  91## Internationalization (i18n) through msgcat and gettext. See
  92## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  93
  94package require msgcat
  95
  96# Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
  97if {[tk windowingsystem] eq "win32"
  98        && [package vcompare [package provide msgcat] 1.4.4] < 0
  99} then {
 100        proc _mc_update_locale {} {
 101                set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 102                if {![catch {
 103                        package require registry
 104                        set uilocale [registry get $key "PreferredUILanguages"]
 105                        msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 106                } uilocale]} {
 107                        if {[string length $uilocale] > 0} {
 108                                msgcat::mclocale $uilocale
 109                        }
 110                }
 111        }
 112        _mc_update_locale
 113}
 114
 115proc _mc_trim {fmt} {
 116        set cmk [string first @@ $fmt]
 117        if {$cmk > 0} {
 118                return [string range $fmt 0 [expr {$cmk - 1}]]
 119        }
 120        return $fmt
 121}
 122
 123proc mc {en_fmt args} {
 124        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 125        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 126                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 127        }
 128        return $msg
 129}
 130
 131proc strcat {args} {
 132        return [join $args {}]
 133}
 134
 135::msgcat::mcload $oguimsg
 136unset oguimsg
 137
 138######################################################################
 139##
 140## On Mac, bring the current Wish process window to front
 141
 142if {[tk windowingsystem] eq "aqua"} {
 143        catch {
 144                exec osascript -e [format {
 145                        tell application "System Events"
 146                                set frontmost of processes whose unix id is %d to true
 147                        end tell
 148                } [pid]]
 149        }
 150}
 151
 152######################################################################
 153##
 154## read only globals
 155
 156set _appname {Git Gui}
 157set _gitdir {}
 158set _gitworktree {}
 159set _isbare {}
 160set _gitexec {}
 161set _githtmldir {}
 162set _reponame {}
 163set _iscygwin {}
 164set _search_path {}
 165set _shellpath {@@SHELL_PATH@@}
 166
 167set _trace [lsearch -exact $argv --trace]
 168if {$_trace >= 0} {
 169        set argv [lreplace $argv $_trace $_trace]
 170        set _trace 1
 171        if {[tk windowingsystem] eq "win32"} { console show }
 172} else {
 173        set _trace 0
 174}
 175
 176# variable for the last merged branch (useful for a default when deleting
 177# branches).
 178set _last_merged_branch {}
 179
 180proc shellpath {} {
 181        global _shellpath env
 182        if {[string match @@* $_shellpath]} {
 183                if {[info exists env(SHELL)]} {
 184                        return $env(SHELL)
 185                } else {
 186                        return /bin/sh
 187                }
 188        }
 189        return $_shellpath
 190}
 191
 192proc appname {} {
 193        global _appname
 194        return $_appname
 195}
 196
 197proc gitdir {args} {
 198        global _gitdir
 199        if {$args eq {}} {
 200                return $_gitdir
 201        }
 202        return [eval [list file join $_gitdir] $args]
 203}
 204
 205proc gitexec {args} {
 206        global _gitexec
 207        if {$_gitexec eq {}} {
 208                if {[catch {set _gitexec [git --exec-path]} err]} {
 209                        error "Git not installed?\n\n$err"
 210                }
 211                if {[is_Cygwin]} {
 212                        set _gitexec [exec cygpath \
 213                                --windows \
 214                                --absolute \
 215                                $_gitexec]
 216                } else {
 217                        set _gitexec [file normalize $_gitexec]
 218                }
 219        }
 220        if {$args eq {}} {
 221                return $_gitexec
 222        }
 223        return [eval [list file join $_gitexec] $args]
 224}
 225
 226proc githtmldir {args} {
 227        global _githtmldir
 228        if {$_githtmldir eq {}} {
 229                if {[catch {set _githtmldir [git --html-path]}]} {
 230                        # Git not installed or option not yet supported
 231                        return {}
 232                }
 233                if {[is_Cygwin]} {
 234                        set _githtmldir [exec cygpath \
 235                                --windows \
 236                                --absolute \
 237                                $_githtmldir]
 238                } else {
 239                        set _githtmldir [file normalize $_githtmldir]
 240                }
 241        }
 242        if {$args eq {}} {
 243                return $_githtmldir
 244        }
 245        return [eval [list file join $_githtmldir] $args]
 246}
 247
 248proc reponame {} {
 249        return $::_reponame
 250}
 251
 252proc is_MacOSX {} {
 253        if {[tk windowingsystem] eq {aqua}} {
 254                return 1
 255        }
 256        return 0
 257}
 258
 259proc is_Windows {} {
 260        if {$::tcl_platform(platform) eq {windows}} {
 261                return 1
 262        }
 263        return 0
 264}
 265
 266proc is_Cygwin {} {
 267        global _iscygwin
 268        if {$_iscygwin eq {}} {
 269                if {$::tcl_platform(platform) eq {windows}} {
 270                        if {[catch {set p [exec cygpath --windir]} err]} {
 271                                set _iscygwin 0
 272                        } else {
 273                                set _iscygwin 1
 274                        }
 275                } else {
 276                        set _iscygwin 0
 277                }
 278        }
 279        return $_iscygwin
 280}
 281
 282proc is_enabled {option} {
 283        global enabled_options
 284        if {[catch {set on $enabled_options($option)}]} {return 0}
 285        return $on
 286}
 287
 288proc enable_option {option} {
 289        global enabled_options
 290        set enabled_options($option) 1
 291}
 292
 293proc disable_option {option} {
 294        global enabled_options
 295        set enabled_options($option) 0
 296}
 297
 298######################################################################
 299##
 300## config
 301
 302proc is_many_config {name} {
 303        switch -glob -- $name {
 304        gui.recentrepo -
 305        remote.*.fetch -
 306        remote.*.push
 307                {return 1}
 308        *
 309                {return 0}
 310        }
 311}
 312
 313proc is_config_true {name} {
 314        global repo_config
 315        if {[catch {set v $repo_config($name)}]} {
 316                return 0
 317        }
 318        set v [string tolower $v]
 319        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 320                return 1
 321        } else {
 322                return 0
 323        }
 324}
 325
 326proc is_config_false {name} {
 327        global repo_config
 328        if {[catch {set v $repo_config($name)}]} {
 329                return 0
 330        }
 331        set v [string tolower $v]
 332        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 333                return 1
 334        } else {
 335                return 0
 336        }
 337}
 338
 339proc get_config {name} {
 340        global repo_config
 341        if {[catch {set v $repo_config($name)}]} {
 342                return {}
 343        } else {
 344                return $v
 345        }
 346}
 347
 348proc is_bare {} {
 349        global _isbare
 350        global _gitdir
 351        global _gitworktree
 352
 353        if {$_isbare eq {}} {
 354                if {[catch {
 355                        set _bare [git rev-parse --is-bare-repository]
 356                        switch  -- $_bare {
 357                        true { set _isbare 1 }
 358                        false { set _isbare 0}
 359                        default { throw }
 360                        }
 361                }]} {
 362                        if {[is_config_true core.bare]
 363                                || ($_gitworktree eq {}
 364                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 365                                set _isbare 1
 366                        } else {
 367                                set _isbare 0
 368                        }
 369                }
 370        }
 371        return $_isbare
 372}
 373
 374######################################################################
 375##
 376## handy utils
 377
 378proc _trace_exec {cmd} {
 379        if {!$::_trace} return
 380        set d {}
 381        foreach v $cmd {
 382                if {$d ne {}} {
 383                        append d { }
 384                }
 385                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 386                        set v [sq $v]
 387                }
 388                append d $v
 389        }
 390        puts stderr $d
 391}
 392
 393#'"  fix poor old emacs font-lock mode
 394
 395proc _git_cmd {name} {
 396        global _git_cmd_path
 397
 398        if {[catch {set v $_git_cmd_path($name)}]} {
 399                switch -- $name {
 400                  version   -
 401                --version   -
 402                --exec-path { return [list $::_git $name] }
 403                }
 404
 405                set p [gitexec git-$name$::_search_exe]
 406                if {[file exists $p]} {
 407                        set v [list $p]
 408                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 409                        # Try to determine what sort of magic will make
 410                        # git-$name go and do its thing, because native
 411                        # Tcl on Windows doesn't know it.
 412                        #
 413                        set p [gitexec git-$name]
 414                        set f [open $p r]
 415                        set s [gets $f]
 416                        close $f
 417
 418                        switch -glob -- [lindex $s 0] {
 419                        #!*sh     { set i sh     }
 420                        #!*perl   { set i perl   }
 421                        #!*python { set i python }
 422                        default   { error "git-$name is not supported: $s" }
 423                        }
 424
 425                        upvar #0 _$i interp
 426                        if {![info exists interp]} {
 427                                set interp [_which $i]
 428                        }
 429                        if {$interp eq {}} {
 430                                error "git-$name requires $i (not in PATH)"
 431                        }
 432                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 433                } else {
 434                        # Assume it is builtin to git somehow and we
 435                        # aren't actually able to see a file for it.
 436                        #
 437                        set v [list $::_git $name]
 438                }
 439                set _git_cmd_path($name) $v
 440        }
 441        return $v
 442}
 443
 444proc _which {what args} {
 445        global env _search_exe _search_path
 446
 447        if {$_search_path eq {}} {
 448                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 449                        set _search_path [split [exec cygpath \
 450                                --windows \
 451                                --path \
 452                                --absolute \
 453                                $env(PATH)] {;}]
 454                        set _search_exe .exe
 455                } elseif {[is_Windows]} {
 456                        set gitguidir [file dirname [info script]]
 457                        regsub -all ";" $gitguidir "\\;" gitguidir
 458                        set env(PATH) "$gitguidir;$env(PATH)"
 459                        set _search_path [split $env(PATH) {;}]
 460                        set _search_exe .exe
 461                } else {
 462                        set _search_path [split $env(PATH) :]
 463                        set _search_exe {}
 464                }
 465        }
 466
 467        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 468                set suffix {}
 469        } else {
 470                set suffix $_search_exe
 471        }
 472
 473        foreach p $_search_path {
 474                set p [file join $p $what$suffix]
 475                if {[file exists $p]} {
 476                        return [file normalize $p]
 477                }
 478        }
 479        return {}
 480}
 481
 482# Test a file for a hashbang to identify executable scripts on Windows.
 483proc is_shellscript {filename} {
 484        if {![file exists $filename]} {return 0}
 485        set f [open $filename r]
 486        fconfigure $f -encoding binary
 487        set magic [read $f 2]
 488        close $f
 489        return [expr {$magic eq "#!"}]
 490}
 491
 492# Run a command connected via pipes on stdout.
 493# This is for use with textconv filters and uses sh -c "..." to allow it to
 494# contain a command with arguments. On windows we must check for shell
 495# scripts specifically otherwise just call the filter command.
 496proc open_cmd_pipe {cmd path} {
 497        global env
 498        if {![file executable [shellpath]]} {
 499                set exe [auto_execok [lindex $cmd 0]]
 500                if {[is_shellscript [lindex $exe 0]]} {
 501                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 502                } else {
 503                        set run [concat $exe [lrange $cmd 1 end] $path]
 504                }
 505        } else {
 506                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 507        }
 508        return [open |$run r]
 509}
 510
 511proc _lappend_nice {cmd_var} {
 512        global _nice
 513        upvar $cmd_var cmd
 514
 515        if {![info exists _nice]} {
 516                set _nice [_which nice]
 517                if {[catch {exec $_nice git version}]} {
 518                        set _nice {}
 519                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 520                        set _nice {}
 521                }
 522        }
 523        if {$_nice ne {}} {
 524                lappend cmd $_nice
 525        }
 526}
 527
 528proc git {args} {
 529        set opt [list]
 530
 531        while {1} {
 532                switch -- [lindex $args 0] {
 533                --nice {
 534                        _lappend_nice opt
 535                }
 536
 537                default {
 538                        break
 539                }
 540
 541                }
 542
 543                set args [lrange $args 1 end]
 544        }
 545
 546        set cmdp [_git_cmd [lindex $args 0]]
 547        set args [lrange $args 1 end]
 548
 549        _trace_exec [concat $opt $cmdp $args]
 550        set result [eval exec $opt $cmdp $args]
 551        if {$::_trace} {
 552                puts stderr "< $result"
 553        }
 554        return $result
 555}
 556
 557proc _open_stdout_stderr {cmd} {
 558        _trace_exec $cmd
 559        if {[catch {
 560                        set fd [open [concat [list | ] $cmd] r]
 561                } err]} {
 562                if {   [lindex $cmd end] eq {2>@1}
 563                    && $err eq {can not find channel named "1"}
 564                        } {
 565                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 566                        # redirect operator.  Fallback to |& cat for those.
 567                        # The command was not actually started, so its safe
 568                        # to try to start it a second time.
 569                        #
 570                        set fd [open [concat \
 571                                [list | ] \
 572                                [lrange $cmd 0 end-1] \
 573                                [list |& cat] \
 574                                ] r]
 575                } else {
 576                        error $err
 577                }
 578        }
 579        fconfigure $fd -eofchar {}
 580        return $fd
 581}
 582
 583proc git_read {args} {
 584        set opt [list]
 585
 586        while {1} {
 587                switch -- [lindex $args 0] {
 588                --nice {
 589                        _lappend_nice opt
 590                }
 591
 592                --stderr {
 593                        lappend args 2>@1
 594                }
 595
 596                default {
 597                        break
 598                }
 599
 600                }
 601
 602                set args [lrange $args 1 end]
 603        }
 604
 605        set cmdp [_git_cmd [lindex $args 0]]
 606        set args [lrange $args 1 end]
 607
 608        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 609}
 610
 611proc git_write {args} {
 612        set opt [list]
 613
 614        while {1} {
 615                switch -- [lindex $args 0] {
 616                --nice {
 617                        _lappend_nice opt
 618                }
 619
 620                default {
 621                        break
 622                }
 623
 624                }
 625
 626                set args [lrange $args 1 end]
 627        }
 628
 629        set cmdp [_git_cmd [lindex $args 0]]
 630        set args [lrange $args 1 end]
 631
 632        _trace_exec [concat $opt $cmdp $args]
 633        return [open [concat [list | ] $opt $cmdp $args] w]
 634}
 635
 636proc githook_read {hook_name args} {
 637        set pchook [gitdir hooks $hook_name]
 638        lappend args 2>@1
 639
 640        # On Windows [file executable] might lie so we need to ask
 641        # the shell if the hook is executable.  Yes that's annoying.
 642        #
 643        if {[is_Windows]} {
 644                upvar #0 _sh interp
 645                if {![info exists interp]} {
 646                        set interp [_which sh]
 647                }
 648                if {$interp eq {}} {
 649                        error "hook execution requires sh (not in PATH)"
 650                }
 651
 652                set scr {if test -x "$1";then exec "$@";fi}
 653                set sh_c [list $interp -c $scr $interp $pchook]
 654                return [_open_stdout_stderr [concat $sh_c $args]]
 655        }
 656
 657        if {[file executable $pchook]} {
 658                return [_open_stdout_stderr [concat [list $pchook] $args]]
 659        }
 660
 661        return {}
 662}
 663
 664proc kill_file_process {fd} {
 665        set process [pid $fd]
 666
 667        catch {
 668                if {[is_Windows]} {
 669                        # Use a Cygwin-specific flag to allow killing
 670                        # native Windows processes
 671                        exec kill -f $process
 672                } else {
 673                        exec kill $process
 674                }
 675        }
 676}
 677
 678proc gitattr {path attr default} {
 679        if {[catch {set r [git check-attr $attr -- $path]}]} {
 680                set r unspecified
 681        } else {
 682                set r [join [lrange [split $r :] 2 end] :]
 683                regsub {^ } $r {} r
 684        }
 685        if {$r eq {unspecified}} {
 686                return $default
 687        }
 688        return $r
 689}
 690
 691proc sq {value} {
 692        regsub -all ' $value "'\\''" value
 693        return "'$value'"
 694}
 695
 696proc load_current_branch {} {
 697        global current_branch is_detached
 698
 699        set fd [open [gitdir HEAD] r]
 700        if {[gets $fd ref] < 1} {
 701                set ref {}
 702        }
 703        close $fd
 704
 705        set pfx {ref: refs/heads/}
 706        set len [string length $pfx]
 707        if {[string equal -length $len $pfx $ref]} {
 708                # We're on a branch.  It might not exist.  But
 709                # HEAD looks good enough to be a branch.
 710                #
 711                set current_branch [string range $ref $len end]
 712                set is_detached 0
 713        } else {
 714                # Assume this is a detached head.
 715                #
 716                set current_branch HEAD
 717                set is_detached 1
 718        }
 719}
 720
 721auto_load tk_optionMenu
 722rename tk_optionMenu real__tkOptionMenu
 723proc tk_optionMenu {w varName args} {
 724        set m [eval real__tkOptionMenu $w $varName $args]
 725        $m configure -font font_ui
 726        $w configure -font font_ui
 727        return $m
 728}
 729
 730proc rmsel_tag {text} {
 731        $text tag conf sel \
 732                -background [$text cget -background] \
 733                -foreground [$text cget -foreground] \
 734                -borderwidth 0
 735        $text tag conf in_sel -background lightgray
 736        bind $text <Motion> break
 737        return $text
 738}
 739
 740wm withdraw .
 741set root_exists 0
 742bind . <Visibility> {
 743        bind . <Visibility> {}
 744        set root_exists 1
 745}
 746
 747if {[is_Windows]} {
 748        wm iconbitmap . -default $oguilib/git-gui.ico
 749        set ::tk::AlwaysShowSelection 1
 750        bind . <Control-F2> {console show}
 751
 752        # Spoof an X11 display for SSH
 753        if {![info exists env(DISPLAY)]} {
 754                set env(DISPLAY) :9999
 755        }
 756} else {
 757        catch {
 758                image create photo gitlogo -width 16 -height 16
 759
 760                gitlogo put #33CC33 -to  7  0  9  2
 761                gitlogo put #33CC33 -to  4  2 12  4
 762                gitlogo put #33CC33 -to  7  4  9  6
 763                gitlogo put #CC3333 -to  4  6 12  8
 764                gitlogo put gray26  -to  4  9  6 10
 765                gitlogo put gray26  -to  3 10  6 12
 766                gitlogo put gray26  -to  8  9 13 11
 767                gitlogo put gray26  -to  8 11 10 12
 768                gitlogo put gray26  -to 11 11 13 14
 769                gitlogo put gray26  -to  3 12  5 14
 770                gitlogo put gray26  -to  5 13
 771                gitlogo put gray26  -to 10 13
 772                gitlogo put gray26  -to  4 14 12 15
 773                gitlogo put gray26  -to  5 15 11 16
 774                gitlogo redither
 775
 776                image create photo gitlogo32 -width 32 -height 32
 777                gitlogo32 copy gitlogo -zoom 2 2
 778
 779                wm iconphoto . -default gitlogo gitlogo32
 780        }
 781}
 782
 783######################################################################
 784##
 785## config defaults
 786
 787set cursor_ptr arrow
 788font create font_ui
 789if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 790        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 791        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 792} else {
 793        font create font_diff -family Courier -size 10
 794        catch {
 795                label .dummy
 796                eval font configure font_ui [font actual [.dummy cget -font]]
 797                destroy .dummy
 798        }
 799}
 800
 801font create font_uiitalic
 802font create font_uibold
 803font create font_diffbold
 804font create font_diffitalic
 805
 806foreach class {Button Checkbutton Entry Label
 807                Labelframe Listbox Message
 808                Radiobutton Spinbox Text} {
 809        option add *$class.font font_ui
 810}
 811if {![is_MacOSX]} {
 812        option add *Menu.font font_ui
 813        option add *Entry.borderWidth 1 startupFile
 814        option add *Entry.relief sunken startupFile
 815        option add *RadioButton.anchor w startupFile
 816}
 817unset class
 818
 819if {[is_Windows] || [is_MacOSX]} {
 820        option add *Menu.tearOff 0
 821}
 822
 823if {[is_MacOSX]} {
 824        set M1B M1
 825        set M1T Cmd
 826} else {
 827        set M1B Control
 828        set M1T Ctrl
 829}
 830
 831proc bind_button3 {w cmd} {
 832        bind $w <Any-Button-3> $cmd
 833        if {[is_MacOSX]} {
 834                # Mac OS X sends Button-2 on right click through three-button mouse,
 835                # or through trackpad right-clicking (two-finger touch + click).
 836                bind $w <Any-Button-2> $cmd
 837                bind $w <Control-Button-1> $cmd
 838        }
 839}
 840
 841proc apply_config {} {
 842        global repo_config font_descs
 843
 844        foreach option $font_descs {
 845                set name [lindex $option 0]
 846                set font [lindex $option 1]
 847                if {[catch {
 848                        set need_weight 1
 849                        foreach {cn cv} $repo_config(gui.$name) {
 850                                if {$cn eq {-weight}} {
 851                                        set need_weight 0
 852                                }
 853                                font configure $font $cn $cv
 854                        }
 855                        if {$need_weight} {
 856                                font configure $font -weight normal
 857                        }
 858                        } err]} {
 859                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 860                }
 861                foreach {cn cv} [font configure $font] {
 862                        font configure ${font}bold $cn $cv
 863                        font configure ${font}italic $cn $cv
 864                }
 865                font configure ${font}bold -weight bold
 866                font configure ${font}italic -slant italic
 867        }
 868
 869        global use_ttk NS
 870        set use_ttk 0
 871        set NS {}
 872        if {$repo_config(gui.usettk)} {
 873                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 874                if {$use_ttk} {
 875                        set NS ttk
 876                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 877                        pave_toplevel .
 878                }
 879        }
 880}
 881
 882set default_config(branch.autosetupmerge) true
 883set default_config(merge.tool) {}
 884set default_config(mergetool.keepbackup) true
 885set default_config(merge.diffstat) true
 886set default_config(merge.summary) false
 887set default_config(merge.verbosity) 2
 888set default_config(user.name) {}
 889set default_config(user.email) {}
 890
 891set default_config(gui.encoding) [encoding system]
 892set default_config(gui.matchtrackingbranch) false
 893set default_config(gui.textconv) true
 894set default_config(gui.pruneduringfetch) false
 895set default_config(gui.trustmtime) false
 896set default_config(gui.fastcopyblame) false
 897set default_config(gui.maxrecentrepo) 10
 898set default_config(gui.copyblamethreshold) 40
 899set default_config(gui.blamehistoryctx) 7
 900set default_config(gui.diffcontext) 5
 901set default_config(gui.diffopts) {}
 902set default_config(gui.commitmsgwidth) 75
 903set default_config(gui.newbranchtemplate) {}
 904set default_config(gui.spellingdictionary) {}
 905set default_config(gui.fontui) [font configure font_ui]
 906set default_config(gui.fontdiff) [font configure font_diff]
 907# TODO: this option should be added to the git-config documentation
 908set default_config(gui.maxfilesdisplayed) 5000
 909set default_config(gui.usettk) 1
 910set default_config(gui.warndetachedcommit) 1
 911set font_descs {
 912        {fontui   font_ui   {mc "Main Font"}}
 913        {fontdiff font_diff {mc "Diff/Console Font"}}
 914}
 915set default_config(gui.stageuntracked) ask
 916set default_config(gui.displayuntracked) true
 917
 918######################################################################
 919##
 920## find git
 921
 922set _git  [_which git]
 923if {$_git eq {}} {
 924        catch {wm withdraw .}
 925        tk_messageBox \
 926                -icon error \
 927                -type ok \
 928                -title [mc "git-gui: fatal error"] \
 929                -message [mc "Cannot find git in PATH."]
 930        exit 1
 931}
 932
 933######################################################################
 934##
 935## version check
 936
 937if {[catch {set _git_version [git --version]} err]} {
 938        catch {wm withdraw .}
 939        tk_messageBox \
 940                -icon error \
 941                -type ok \
 942                -title [mc "git-gui: fatal error"] \
 943                -message "Cannot determine Git version:
 944
 945$err
 946
 947[appname] requires Git 1.5.0 or later."
 948        exit 1
 949}
 950if {![regsub {^git version } $_git_version {} _git_version]} {
 951        catch {wm withdraw .}
 952        tk_messageBox \
 953                -icon error \
 954                -type ok \
 955                -title [mc "git-gui: fatal error"] \
 956                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 957        exit 1
 958}
 959
 960proc get_trimmed_version {s} {
 961    set r {}
 962    foreach x [split $s -._] {
 963        if {[string is integer -strict $x]} {
 964            lappend r $x
 965        } else {
 966            break
 967        }
 968    }
 969    return [join $r .]
 970}
 971set _real_git_version $_git_version
 972set _git_version [get_trimmed_version $_git_version]
 973
 974if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 975        catch {wm withdraw .}
 976        if {[tk_messageBox \
 977                -icon warning \
 978                -type yesno \
 979                -default no \
 980                -title "[appname]: warning" \
 981                 -message [mc "Git version cannot be determined.
 982
 983%s claims it is version '%s'.
 984
 985%s requires at least Git 1.5.0 or later.
 986
 987Assume '%s' is version 1.5.0?
 988" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 989                set _git_version 1.5.0
 990        } else {
 991                exit 1
 992        }
 993}
 994unset _real_git_version
 995
 996proc git-version {args} {
 997        global _git_version
 998
 999        switch [llength $args] {
1000        0 {
1001                return $_git_version
1002        }
1003
1004        2 {
1005                set op [lindex $args 0]
1006                set vr [lindex $args 1]
1007                set cm [package vcompare $_git_version $vr]
1008                return [expr $cm $op 0]
1009        }
1010
1011        4 {
1012                set type [lindex $args 0]
1013                set name [lindex $args 1]
1014                set parm [lindex $args 2]
1015                set body [lindex $args 3]
1016
1017                if {($type ne {proc} && $type ne {method})} {
1018                        error "Invalid arguments to git-version"
1019                }
1020                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1021                        error "Last arm of $type $name must be default"
1022                }
1023
1024                foreach {op vr cb} [lrange $body 0 end-2] {
1025                        if {[git-version $op $vr]} {
1026                                return [uplevel [list $type $name $parm $cb]]
1027                        }
1028                }
1029
1030                return [uplevel [list $type $name $parm [lindex $body end]]]
1031        }
1032
1033        default {
1034                error "git-version >= x"
1035        }
1036
1037        }
1038}
1039
1040if {[git-version < 1.5]} {
1041        catch {wm withdraw .}
1042        tk_messageBox \
1043                -icon error \
1044                -type ok \
1045                -title [mc "git-gui: fatal error"] \
1046                -message "[appname] requires Git 1.5.0 or later.
1047
1048You are using [git-version]:
1049
1050[git --version]"
1051        exit 1
1052}
1053
1054######################################################################
1055##
1056## configure our library
1057
1058set idx [file join $oguilib tclIndex]
1059if {[catch {set fd [open $idx r]} err]} {
1060        catch {wm withdraw .}
1061        tk_messageBox \
1062                -icon error \
1063                -type ok \
1064                -title [mc "git-gui: fatal error"] \
1065                -message $err
1066        exit 1
1067}
1068if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1069        set idx [list]
1070        while {[gets $fd n] >= 0} {
1071                if {$n ne {} && ![string match #* $n]} {
1072                        lappend idx $n
1073                }
1074        }
1075} else {
1076        set idx {}
1077}
1078close $fd
1079
1080if {$idx ne {}} {
1081        set loaded [list]
1082        foreach p $idx {
1083                if {[lsearch -exact $loaded $p] >= 0} continue
1084                source [file join $oguilib $p]
1085                lappend loaded $p
1086        }
1087        unset loaded p
1088} else {
1089        set auto_path [concat [list $oguilib] $auto_path]
1090}
1091unset -nocomplain idx fd
1092
1093######################################################################
1094##
1095## config file parsing
1096
1097git-version proc _parse_config {arr_name args} {
1098        >= 1.5.3 {
1099                upvar $arr_name arr
1100                array unset arr
1101                set buf {}
1102                catch {
1103                        set fd_rc [eval \
1104                                [list git_read config] \
1105                                $args \
1106                                [list --null --list]]
1107                        fconfigure $fd_rc -translation binary
1108                        set buf [read $fd_rc]
1109                        close $fd_rc
1110                }
1111                foreach line [split $buf "\0"] {
1112                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1113                                if {[is_many_config $name]} {
1114                                        lappend arr($name) $value
1115                                } else {
1116                                        set arr($name) $value
1117                                }
1118                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1119                                # no value given, but interpreting them as
1120                                # boolean will be handled as true
1121                                set arr($name) {}
1122                        }
1123                }
1124        }
1125        default {
1126                upvar $arr_name arr
1127                array unset arr
1128                catch {
1129                        set fd_rc [eval [list git_read config --list] $args]
1130                        while {[gets $fd_rc line] >= 0} {
1131                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1132                                        if {[is_many_config $name]} {
1133                                                lappend arr($name) $value
1134                                        } else {
1135                                                set arr($name) $value
1136                                        }
1137                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1138                                        # no value given, but interpreting them as
1139                                        # boolean will be handled as true
1140                                        set arr($name) {}
1141                                }
1142                        }
1143                        close $fd_rc
1144                }
1145        }
1146}
1147
1148proc load_config {include_global} {
1149        global repo_config global_config system_config default_config
1150
1151        if {$include_global} {
1152                _parse_config system_config --system
1153                _parse_config global_config --global
1154        }
1155        _parse_config repo_config
1156
1157        foreach name [array names default_config] {
1158                if {[catch {set v $system_config($name)}]} {
1159                        set system_config($name) $default_config($name)
1160                }
1161        }
1162        foreach name [array names system_config] {
1163                if {[catch {set v $global_config($name)}]} {
1164                        set global_config($name) $system_config($name)
1165                }
1166                if {[catch {set v $repo_config($name)}]} {
1167                        set repo_config($name) $system_config($name)
1168                }
1169        }
1170}
1171
1172######################################################################
1173##
1174## feature option selection
1175
1176if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1177        unset _junk
1178} else {
1179        set subcommand gui
1180}
1181if {$subcommand eq {gui.sh}} {
1182        set subcommand gui
1183}
1184if {$subcommand eq {gui} && [llength $argv] > 0} {
1185        set subcommand [lindex $argv 0]
1186        set argv [lrange $argv 1 end]
1187}
1188
1189enable_option multicommit
1190enable_option branch
1191enable_option transport
1192disable_option bare
1193
1194switch -- $subcommand {
1195browser -
1196blame {
1197        enable_option bare
1198
1199        disable_option multicommit
1200        disable_option branch
1201        disable_option transport
1202}
1203citool {
1204        enable_option singlecommit
1205        enable_option retcode
1206
1207        disable_option multicommit
1208        disable_option branch
1209        disable_option transport
1210
1211        while {[llength $argv] > 0} {
1212                set a [lindex $argv 0]
1213                switch -- $a {
1214                --amend {
1215                        enable_option initialamend
1216                }
1217                --nocommit {
1218                        enable_option nocommit
1219                        enable_option nocommitmsg
1220                }
1221                --commitmsg {
1222                        disable_option nocommitmsg
1223                }
1224                default {
1225                        break
1226                }
1227                }
1228
1229                set argv [lrange $argv 1 end]
1230        }
1231}
1232}
1233
1234######################################################################
1235##
1236## execution environment
1237
1238set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1239
1240# Suggest our implementation of askpass, if none is set
1241if {![info exists env(SSH_ASKPASS)]} {
1242        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1243}
1244
1245######################################################################
1246##
1247## repository setup
1248
1249set picked 0
1250if {[catch {
1251                set _gitdir $env(GIT_DIR)
1252                set _prefix {}
1253                }]
1254        && [catch {
1255                # beware that from the .git dir this sets _gitdir to .
1256                # and _prefix to the empty string
1257                set _gitdir [git rev-parse --git-dir]
1258                set _prefix [git rev-parse --show-prefix]
1259        } err]} {
1260        load_config 1
1261        apply_config
1262        choose_repository::pick
1263        set picked 1
1264}
1265
1266# we expand the _gitdir when it's just a single dot (i.e. when we're being
1267# run from the .git dir itself) lest the routines to find the worktree
1268# get confused
1269if {$_gitdir eq "."} {
1270        set _gitdir [pwd]
1271}
1272
1273if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1274        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1275}
1276if {![file isdirectory $_gitdir]} {
1277        catch {wm withdraw .}
1278        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1279        exit 1
1280}
1281# _gitdir exists, so try loading the config
1282load_config 0
1283apply_config
1284
1285# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1286if {[package vsatisfies $_git_version 1.7.0-]} {
1287        if { [is_Cygwin] } {
1288                catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1289        } else {
1290                set _gitworktree [git rev-parse --show-toplevel]
1291        }
1292} else {
1293        # try to set work tree from environment, core.worktree or use
1294        # cdup to obtain a relative path to the top of the worktree. If
1295        # run from the top, the ./ prefix ensures normalize expands pwd.
1296        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1297                set _gitworktree [get_config core.worktree]
1298                if {$_gitworktree eq ""} {
1299                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1300                }
1301        }
1302}
1303
1304if {$_prefix ne {}} {
1305        if {$_gitworktree eq {}} {
1306                regsub -all {[^/]+/} $_prefix ../ cdup
1307        } else {
1308                set cdup $_gitworktree
1309        }
1310        if {[catch {cd $cdup} err]} {
1311                catch {wm withdraw .}
1312                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1313                exit 1
1314        }
1315        set _gitworktree [pwd]
1316        unset cdup
1317} elseif {![is_enabled bare]} {
1318        if {[is_bare]} {
1319                catch {wm withdraw .}
1320                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1321                exit 1
1322        }
1323        if {$_gitworktree eq {}} {
1324                set _gitworktree [file dirname $_gitdir]
1325        }
1326        if {[catch {cd $_gitworktree} err]} {
1327                catch {wm withdraw .}
1328                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1329                exit 1
1330        }
1331        set _gitworktree [pwd]
1332}
1333set _reponame [file split [file normalize $_gitdir]]
1334if {[lindex $_reponame end] eq {.git}} {
1335        set _reponame [lindex $_reponame end-1]
1336} else {
1337        set _reponame [lindex $_reponame end]
1338}
1339
1340set env(GIT_DIR) $_gitdir
1341set env(GIT_WORK_TREE) $_gitworktree
1342
1343######################################################################
1344##
1345## global init
1346
1347set current_diff_path {}
1348set current_diff_side {}
1349set diff_actions [list]
1350
1351set HEAD {}
1352set PARENT {}
1353set MERGE_HEAD [list]
1354set commit_type {}
1355set empty_tree {}
1356set current_branch {}
1357set is_detached 0
1358set current_diff_path {}
1359set is_3way_diff 0
1360set is_submodule_diff 0
1361set is_conflict_diff 0
1362set selected_commit_type new
1363set diff_empty_count 0
1364
1365set nullid "0000000000000000000000000000000000000000"
1366set nullid2 "0000000000000000000000000000000000000001"
1367
1368######################################################################
1369##
1370## task management
1371
1372set rescan_active 0
1373set diff_active 0
1374set last_clicked {}
1375
1376set disable_on_lock [list]
1377set index_lock_type none
1378
1379proc lock_index {type} {
1380        global index_lock_type disable_on_lock
1381
1382        if {$index_lock_type eq {none}} {
1383                set index_lock_type $type
1384                foreach w $disable_on_lock {
1385                        uplevel #0 $w disabled
1386                }
1387                return 1
1388        } elseif {$index_lock_type eq "begin-$type"} {
1389                set index_lock_type $type
1390                return 1
1391        }
1392        return 0
1393}
1394
1395proc unlock_index {} {
1396        global index_lock_type disable_on_lock
1397
1398        set index_lock_type none
1399        foreach w $disable_on_lock {
1400                uplevel #0 $w normal
1401        }
1402}
1403
1404######################################################################
1405##
1406## status
1407
1408proc repository_state {ctvar hdvar mhvar} {
1409        global current_branch
1410        upvar $ctvar ct $hdvar hd $mhvar mh
1411
1412        set mh [list]
1413
1414        load_current_branch
1415        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1416                set hd {}
1417                set ct initial
1418                return
1419        }
1420
1421        set merge_head [gitdir MERGE_HEAD]
1422        if {[file exists $merge_head]} {
1423                set ct merge
1424                set fd_mh [open $merge_head r]
1425                while {[gets $fd_mh line] >= 0} {
1426                        lappend mh $line
1427                }
1428                close $fd_mh
1429                return
1430        }
1431
1432        set ct normal
1433}
1434
1435proc PARENT {} {
1436        global PARENT empty_tree
1437
1438        set p [lindex $PARENT 0]
1439        if {$p ne {}} {
1440                return $p
1441        }
1442        if {$empty_tree eq {}} {
1443                set empty_tree [git mktree << {}]
1444        }
1445        return $empty_tree
1446}
1447
1448proc force_amend {} {
1449        global selected_commit_type
1450        global HEAD PARENT MERGE_HEAD commit_type
1451
1452        repository_state newType newHEAD newMERGE_HEAD
1453        set HEAD $newHEAD
1454        set PARENT $newHEAD
1455        set MERGE_HEAD $newMERGE_HEAD
1456        set commit_type $newType
1457
1458        set selected_commit_type amend
1459        do_select_commit_type
1460}
1461
1462proc rescan {after {honor_trustmtime 1}} {
1463        global HEAD PARENT MERGE_HEAD commit_type
1464        global ui_index ui_workdir ui_comm
1465        global rescan_active file_states
1466        global repo_config
1467
1468        if {$rescan_active > 0 || ![lock_index read]} return
1469
1470        repository_state newType newHEAD newMERGE_HEAD
1471        if {[string match amend* $commit_type]
1472                && $newType eq {normal}
1473                && $newHEAD eq $HEAD} {
1474        } else {
1475                set HEAD $newHEAD
1476                set PARENT $newHEAD
1477                set MERGE_HEAD $newMERGE_HEAD
1478                set commit_type $newType
1479        }
1480
1481        array unset file_states
1482
1483        if {!$::GITGUI_BCK_exists &&
1484                (![$ui_comm edit modified]
1485                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1486                if {[string match amend* $commit_type]} {
1487                } elseif {[load_message GITGUI_MSG utf-8]} {
1488                } elseif {[run_prepare_commit_msg_hook]} {
1489                } elseif {[load_message MERGE_MSG]} {
1490                } elseif {[load_message SQUASH_MSG]} {
1491                }
1492                $ui_comm edit reset
1493                $ui_comm edit modified false
1494        }
1495
1496        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1497                rescan_stage2 {} $after
1498        } else {
1499                set rescan_active 1
1500                ui_status [mc "Refreshing file status..."]
1501                set fd_rf [git_read update-index \
1502                        -q \
1503                        --unmerged \
1504                        --ignore-missing \
1505                        --refresh \
1506                        ]
1507                fconfigure $fd_rf -blocking 0 -translation binary
1508                fileevent $fd_rf readable \
1509                        [list rescan_stage2 $fd_rf $after]
1510        }
1511}
1512
1513if {[is_Cygwin]} {
1514        set is_git_info_exclude {}
1515        proc have_info_exclude {} {
1516                global is_git_info_exclude
1517
1518                if {$is_git_info_exclude eq {}} {
1519                        if {[catch {exec test -f [gitdir info exclude]}]} {
1520                                set is_git_info_exclude 0
1521                        } else {
1522                                set is_git_info_exclude 1
1523                        }
1524                }
1525                return $is_git_info_exclude
1526        }
1527} else {
1528        proc have_info_exclude {} {
1529                return [file readable [gitdir info exclude]]
1530        }
1531}
1532
1533proc rescan_stage2 {fd after} {
1534        global rescan_active buf_rdi buf_rdf buf_rlo
1535
1536        if {$fd ne {}} {
1537                read $fd
1538                if {![eof $fd]} return
1539                close $fd
1540        }
1541
1542        if {[package vsatisfies $::_git_version 1.6.3-]} {
1543                set ls_others [list --exclude-standard]
1544        } else {
1545                set ls_others [list --exclude-per-directory=.gitignore]
1546                if {[have_info_exclude]} {
1547                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1548                }
1549                set user_exclude [get_config core.excludesfile]
1550                if {$user_exclude ne {} && [file readable $user_exclude]} {
1551                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1552                }
1553        }
1554
1555        set buf_rdi {}
1556        set buf_rdf {}
1557        set buf_rlo {}
1558
1559        set rescan_active 2
1560        ui_status [mc "Scanning for modified files ..."]
1561        if {[git-version >= "1.7.2"]} {
1562                set fd_di [git_read diff-index --cached --ignore-submodules=dirty -z [PARENT]]
1563        } else {
1564                set fd_di [git_read diff-index --cached -z [PARENT]]
1565        }
1566        set fd_df [git_read diff-files -z]
1567
1568        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1569        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1570
1571        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1572        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1573
1574        if {[is_config_true gui.displayuntracked]} {
1575                set fd_lo [eval git_read ls-files --others -z $ls_others]
1576                fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1577                fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1578                incr rescan_active
1579        }
1580}
1581
1582proc load_message {file {encoding {}}} {
1583        global ui_comm
1584
1585        set f [gitdir $file]
1586        if {[file isfile $f]} {
1587                if {[catch {set fd [open $f r]}]} {
1588                        return 0
1589                }
1590                fconfigure $fd -eofchar {}
1591                if {$encoding ne {}} {
1592                        fconfigure $fd -encoding $encoding
1593                }
1594                set content [string trim [read $fd]]
1595                close $fd
1596                regsub -all -line {[ \r\t]+$} $content {} content
1597                $ui_comm delete 0.0 end
1598                $ui_comm insert end $content
1599                return 1
1600        }
1601        return 0
1602}
1603
1604proc run_prepare_commit_msg_hook {} {
1605        global pch_error
1606
1607        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1608        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1609        # empty file but existent file.
1610
1611        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1612
1613        if {[file isfile [gitdir MERGE_MSG]]} {
1614                set pcm_source "merge"
1615                set fd_mm [open [gitdir MERGE_MSG] r]
1616                puts -nonewline $fd_pcm [read $fd_mm]
1617                close $fd_mm
1618        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1619                set pcm_source "squash"
1620                set fd_sm [open [gitdir SQUASH_MSG] r]
1621                puts -nonewline $fd_pcm [read $fd_sm]
1622                close $fd_sm
1623        } else {
1624                set pcm_source ""
1625        }
1626
1627        close $fd_pcm
1628
1629        set fd_ph [githook_read prepare-commit-msg \
1630                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1631        if {$fd_ph eq {}} {
1632                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1633                return 0;
1634        }
1635
1636        ui_status [mc "Calling prepare-commit-msg hook..."]
1637        set pch_error {}
1638
1639        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1640        fileevent $fd_ph readable \
1641                [list prepare_commit_msg_hook_wait $fd_ph]
1642
1643        return 1;
1644}
1645
1646proc prepare_commit_msg_hook_wait {fd_ph} {
1647        global pch_error
1648
1649        append pch_error [read $fd_ph]
1650        fconfigure $fd_ph -blocking 1
1651        if {[eof $fd_ph]} {
1652                if {[catch {close $fd_ph}]} {
1653                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1654                        hook_failed_popup prepare-commit-msg $pch_error
1655                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1656                        exit 1
1657                } else {
1658                        load_message PREPARE_COMMIT_MSG
1659                }
1660                set pch_error {}
1661                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1662                return
1663        }
1664        fconfigure $fd_ph -blocking 0
1665        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1666}
1667
1668proc read_diff_index {fd after} {
1669        global buf_rdi
1670
1671        append buf_rdi [read $fd]
1672        set c 0
1673        set n [string length $buf_rdi]
1674        while {$c < $n} {
1675                set z1 [string first "\0" $buf_rdi $c]
1676                if {$z1 == -1} break
1677                incr z1
1678                set z2 [string first "\0" $buf_rdi $z1]
1679                if {$z2 == -1} break
1680
1681                incr c
1682                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1683                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1684                merge_state \
1685                        [encoding convertfrom $p] \
1686                        [lindex $i 4]? \
1687                        [list [lindex $i 0] [lindex $i 2]] \
1688                        [list]
1689                set c $z2
1690                incr c
1691        }
1692        if {$c < $n} {
1693                set buf_rdi [string range $buf_rdi $c end]
1694        } else {
1695                set buf_rdi {}
1696        }
1697
1698        rescan_done $fd buf_rdi $after
1699}
1700
1701proc read_diff_files {fd after} {
1702        global buf_rdf
1703
1704        append buf_rdf [read $fd]
1705        set c 0
1706        set n [string length $buf_rdf]
1707        while {$c < $n} {
1708                set z1 [string first "\0" $buf_rdf $c]
1709                if {$z1 == -1} break
1710                incr z1
1711                set z2 [string first "\0" $buf_rdf $z1]
1712                if {$z2 == -1} break
1713
1714                incr c
1715                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1716                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1717                merge_state \
1718                        [encoding convertfrom $p] \
1719                        ?[lindex $i 4] \
1720                        [list] \
1721                        [list [lindex $i 0] [lindex $i 2]]
1722                set c $z2
1723                incr c
1724        }
1725        if {$c < $n} {
1726                set buf_rdf [string range $buf_rdf $c end]
1727        } else {
1728                set buf_rdf {}
1729        }
1730
1731        rescan_done $fd buf_rdf $after
1732}
1733
1734proc read_ls_others {fd after} {
1735        global buf_rlo
1736
1737        append buf_rlo [read $fd]
1738        set pck [split $buf_rlo "\0"]
1739        set buf_rlo [lindex $pck end]
1740        foreach p [lrange $pck 0 end-1] {
1741                set p [encoding convertfrom $p]
1742                if {[string index $p end] eq {/}} {
1743                        set p [string range $p 0 end-1]
1744                }
1745                merge_state $p ?O
1746        }
1747        rescan_done $fd buf_rlo $after
1748}
1749
1750proc rescan_done {fd buf after} {
1751        global rescan_active current_diff_path
1752        global file_states repo_config
1753        upvar $buf to_clear
1754
1755        if {![eof $fd]} return
1756        set to_clear {}
1757        close $fd
1758        if {[incr rescan_active -1] > 0} return
1759
1760        prune_selection
1761        unlock_index
1762        display_all_files
1763        if {$current_diff_path ne {}} { reshow_diff $after }
1764        if {$current_diff_path eq {}} { select_first_diff $after }
1765}
1766
1767proc prune_selection {} {
1768        global file_states selected_paths
1769
1770        foreach path [array names selected_paths] {
1771                if {[catch {set still_here $file_states($path)}]} {
1772                        unset selected_paths($path)
1773                }
1774        }
1775}
1776
1777######################################################################
1778##
1779## ui helpers
1780
1781proc mapicon {w state path} {
1782        global all_icons
1783
1784        if {[catch {set r $all_icons($state$w)}]} {
1785                puts "error: no icon for $w state={$state} $path"
1786                return file_plain
1787        }
1788        return $r
1789}
1790
1791proc mapdesc {state path} {
1792        global all_descs
1793
1794        if {[catch {set r $all_descs($state)}]} {
1795                puts "error: no desc for state={$state} $path"
1796                return $state
1797        }
1798        return $r
1799}
1800
1801proc ui_status {msg} {
1802        global main_status
1803        if {[info exists main_status]} {
1804                $main_status show $msg
1805        }
1806}
1807
1808proc ui_ready {{test {}}} {
1809        global main_status
1810        if {[info exists main_status]} {
1811                $main_status show [mc "Ready."] $test
1812        }
1813}
1814
1815proc escape_path {path} {
1816        regsub -all {\\} $path "\\\\" path
1817        regsub -all "\n" $path "\\n" path
1818        return $path
1819}
1820
1821proc short_path {path} {
1822        return [escape_path [lindex [file split $path] end]]
1823}
1824
1825set next_icon_id 0
1826set null_sha1 [string repeat 0 40]
1827
1828proc merge_state {path new_state {head_info {}} {index_info {}}} {
1829        global file_states next_icon_id null_sha1
1830
1831        set s0 [string index $new_state 0]
1832        set s1 [string index $new_state 1]
1833
1834        if {[catch {set info $file_states($path)}]} {
1835                set state __
1836                set icon n[incr next_icon_id]
1837        } else {
1838                set state [lindex $info 0]
1839                set icon [lindex $info 1]
1840                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1841                if {$index_info eq {}} {set index_info [lindex $info 3]}
1842        }
1843
1844        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1845        elseif {$s0 eq {_}} {set s0 _}
1846
1847        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1848        elseif {$s1 eq {_}} {set s1 _}
1849
1850        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1851                set head_info [list 0 $null_sha1]
1852        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1853                && $head_info eq {}} {
1854                set head_info $index_info
1855        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1856                set index_info $head_info
1857                set head_info {}
1858        }
1859
1860        set file_states($path) [list $s0$s1 $icon \
1861                $head_info $index_info \
1862                ]
1863        return $state
1864}
1865
1866proc display_file_helper {w path icon_name old_m new_m} {
1867        global file_lists
1868
1869        if {$new_m eq {_}} {
1870                set lno [lsearch -sorted -exact $file_lists($w) $path]
1871                if {$lno >= 0} {
1872                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1873                        incr lno
1874                        $w conf -state normal
1875                        $w delete $lno.0 [expr {$lno + 1}].0
1876                        $w conf -state disabled
1877                }
1878        } elseif {$old_m eq {_} && $new_m ne {_}} {
1879                lappend file_lists($w) $path
1880                set file_lists($w) [lsort -unique $file_lists($w)]
1881                set lno [lsearch -sorted -exact $file_lists($w) $path]
1882                incr lno
1883                $w conf -state normal
1884                $w image create $lno.0 \
1885                        -align center -padx 5 -pady 1 \
1886                        -name $icon_name \
1887                        -image [mapicon $w $new_m $path]
1888                $w insert $lno.1 "[escape_path $path]\n"
1889                $w conf -state disabled
1890        } elseif {$old_m ne $new_m} {
1891                $w conf -state normal
1892                $w image conf $icon_name -image [mapicon $w $new_m $path]
1893                $w conf -state disabled
1894        }
1895}
1896
1897proc display_file {path state} {
1898        global file_states selected_paths
1899        global ui_index ui_workdir
1900
1901        set old_m [merge_state $path $state]
1902        set s $file_states($path)
1903        set new_m [lindex $s 0]
1904        set icon_name [lindex $s 1]
1905
1906        set o [string index $old_m 0]
1907        set n [string index $new_m 0]
1908        if {$o eq {U}} {
1909                set o _
1910        }
1911        if {$n eq {U}} {
1912                set n _
1913        }
1914        display_file_helper     $ui_index $path $icon_name $o $n
1915
1916        if {[string index $old_m 0] eq {U}} {
1917                set o U
1918        } else {
1919                set o [string index $old_m 1]
1920        }
1921        if {[string index $new_m 0] eq {U}} {
1922                set n U
1923        } else {
1924                set n [string index $new_m 1]
1925        }
1926        display_file_helper     $ui_workdir $path $icon_name $o $n
1927
1928        if {$new_m eq {__}} {
1929                unset file_states($path)
1930                catch {unset selected_paths($path)}
1931        }
1932}
1933
1934proc display_all_files_helper {w path icon_name m} {
1935        global file_lists
1936
1937        lappend file_lists($w) $path
1938        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1939        $w image create end \
1940                -align center -padx 5 -pady 1 \
1941                -name $icon_name \
1942                -image [mapicon $w $m $path]
1943        $w insert end "[escape_path $path]\n"
1944}
1945
1946set files_warning 0
1947proc display_all_files {} {
1948        global ui_index ui_workdir
1949        global file_states file_lists
1950        global last_clicked
1951        global files_warning
1952
1953        $ui_index conf -state normal
1954        $ui_workdir conf -state normal
1955
1956        $ui_index delete 0.0 end
1957        $ui_workdir delete 0.0 end
1958        set last_clicked {}
1959
1960        set file_lists($ui_index) [list]
1961        set file_lists($ui_workdir) [list]
1962
1963        set to_display [lsort [array names file_states]]
1964        set display_limit [get_config gui.maxfilesdisplayed]
1965        if {[llength $to_display] > $display_limit} {
1966                if {!$files_warning} {
1967                        # do not repeatedly warn:
1968                        set files_warning 1
1969                        info_popup [mc "Displaying only %s of %s files." \
1970                                $display_limit [llength $to_display]]
1971                }
1972                set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1973        }
1974        foreach path $to_display {
1975                set s $file_states($path)
1976                set m [lindex $s 0]
1977                set icon_name [lindex $s 1]
1978
1979                set s [string index $m 0]
1980                if {$s ne {U} && $s ne {_}} {
1981                        display_all_files_helper $ui_index $path \
1982                                $icon_name $s
1983                }
1984
1985                if {[string index $m 0] eq {U}} {
1986                        set s U
1987                } else {
1988                        set s [string index $m 1]
1989                }
1990                if {$s ne {_}} {
1991                        display_all_files_helper $ui_workdir $path \
1992                                $icon_name $s
1993                }
1994        }
1995
1996        $ui_index conf -state disabled
1997        $ui_workdir conf -state disabled
1998}
1999
2000######################################################################
2001##
2002## icons
2003
2004set filemask {
2005#define mask_width 14
2006#define mask_height 15
2007static unsigned char mask_bits[] = {
2008   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2009   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2010   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2011}
2012
2013image create bitmap file_plain -background white -foreground black -data {
2014#define plain_width 14
2015#define plain_height 15
2016static unsigned char plain_bits[] = {
2017   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2018   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2019   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2020} -maskdata $filemask
2021
2022image create bitmap file_mod -background white -foreground blue -data {
2023#define mod_width 14
2024#define mod_height 15
2025static unsigned char mod_bits[] = {
2026   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2027   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2028   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2029} -maskdata $filemask
2030
2031image create bitmap file_fulltick -background white -foreground "#007000" -data {
2032#define file_fulltick_width 14
2033#define file_fulltick_height 15
2034static unsigned char file_fulltick_bits[] = {
2035   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2036   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2037   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2038} -maskdata $filemask
2039
2040image create bitmap file_question -background white -foreground black -data {
2041#define file_question_width 14
2042#define file_question_height 15
2043static unsigned char file_question_bits[] = {
2044   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2045   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2046   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2047} -maskdata $filemask
2048
2049image create bitmap file_removed -background white -foreground red -data {
2050#define file_removed_width 14
2051#define file_removed_height 15
2052static unsigned char file_removed_bits[] = {
2053   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2054   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2055   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2056} -maskdata $filemask
2057
2058image create bitmap file_merge -background white -foreground blue -data {
2059#define file_merge_width 14
2060#define file_merge_height 15
2061static unsigned char file_merge_bits[] = {
2062   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2063   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2064   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2065} -maskdata $filemask
2066
2067image create bitmap file_statechange -background white -foreground green -data {
2068#define file_statechange_width 14
2069#define file_statechange_height 15
2070static unsigned char file_statechange_bits[] = {
2071   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2072   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2073   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2074} -maskdata $filemask
2075
2076set ui_index .vpane.files.index.list
2077set ui_workdir .vpane.files.workdir.list
2078
2079set all_icons(_$ui_index)   file_plain
2080set all_icons(A$ui_index)   file_plain
2081set all_icons(M$ui_index)   file_fulltick
2082set all_icons(D$ui_index)   file_removed
2083set all_icons(U$ui_index)   file_merge
2084set all_icons(T$ui_index)   file_statechange
2085
2086set all_icons(_$ui_workdir) file_plain
2087set all_icons(M$ui_workdir) file_mod
2088set all_icons(D$ui_workdir) file_question
2089set all_icons(U$ui_workdir) file_merge
2090set all_icons(O$ui_workdir) file_plain
2091set all_icons(T$ui_workdir) file_statechange
2092
2093set max_status_desc 0
2094foreach i {
2095                {__ {mc "Unmodified"}}
2096
2097                {_M {mc "Modified, not staged"}}
2098                {M_ {mc "Staged for commit"}}
2099                {MM {mc "Portions staged for commit"}}
2100                {MD {mc "Staged for commit, missing"}}
2101
2102                {_T {mc "File type changed, not staged"}}
2103                {MT {mc "File type changed, old type staged for commit"}}
2104                {AT {mc "File type changed, old type staged for commit"}}
2105                {T_ {mc "File type changed, staged"}}
2106                {TM {mc "File type change staged, modification not staged"}}
2107                {TD {mc "File type change staged, file missing"}}
2108
2109                {_O {mc "Untracked, not staged"}}
2110                {A_ {mc "Staged for commit"}}
2111                {AM {mc "Portions staged for commit"}}
2112                {AD {mc "Staged for commit, missing"}}
2113
2114                {_D {mc "Missing"}}
2115                {D_ {mc "Staged for removal"}}
2116                {DO {mc "Staged for removal, still present"}}
2117
2118                {_U {mc "Requires merge resolution"}}
2119                {U_ {mc "Requires merge resolution"}}
2120                {UU {mc "Requires merge resolution"}}
2121                {UM {mc "Requires merge resolution"}}
2122                {UD {mc "Requires merge resolution"}}
2123                {UT {mc "Requires merge resolution"}}
2124        } {
2125        set text [eval [lindex $i 1]]
2126        if {$max_status_desc < [string length $text]} {
2127                set max_status_desc [string length $text]
2128        }
2129        set all_descs([lindex $i 0]) $text
2130}
2131unset i
2132
2133######################################################################
2134##
2135## util
2136
2137proc scrollbar2many {list mode args} {
2138        foreach w $list {eval $w $mode $args}
2139}
2140
2141proc many2scrollbar {list mode sb top bottom} {
2142        $sb set $top $bottom
2143        foreach w $list {$w $mode moveto $top}
2144}
2145
2146proc incr_font_size {font {amt 1}} {
2147        set sz [font configure $font -size]
2148        incr sz $amt
2149        font configure $font -size $sz
2150        font configure ${font}bold -size $sz
2151        font configure ${font}italic -size $sz
2152}
2153
2154######################################################################
2155##
2156## ui commands
2157
2158set starting_gitk_msg [mc "Starting gitk... please wait..."]
2159
2160proc do_gitk {revs {is_submodule false}} {
2161        global current_diff_path file_states current_diff_side ui_index
2162        global _gitdir _gitworktree
2163
2164        # -- Always start gitk through whatever we were loaded with.  This
2165        #    lets us bypass using shell process on Windows systems.
2166        #
2167        set exe [_which gitk -script]
2168        set cmd [list [info nameofexecutable] $exe]
2169        if {$exe eq {}} {
2170                error_popup [mc "Couldn't find gitk in PATH"]
2171        } else {
2172                global env
2173
2174                set pwd [pwd]
2175
2176                if {!$is_submodule} {
2177                        if {![is_bare]} {
2178                                cd $_gitworktree
2179                        }
2180                } else {
2181                        cd $current_diff_path
2182                        if {$revs eq {--}} {
2183                                set s $file_states($current_diff_path)
2184                                set old_sha1 {}
2185                                set new_sha1 {}
2186                                switch -glob -- [lindex $s 0] {
2187                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2188                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2189                                MM {
2190                                        if {$current_diff_side eq $ui_index} {
2191                                                set old_sha1 [lindex [lindex $s 2] 1]
2192                                                set new_sha1 [lindex [lindex $s 3] 1]
2193                                        } else {
2194                                                set old_sha1 [lindex [lindex $s 3] 1]
2195                                        }
2196                                }
2197                                }
2198                                set revs $old_sha1...$new_sha1
2199                        }
2200                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2201                        # we've been using for the main repository, so unset them.
2202                        # TODO we could make life easier (start up faster?) for gitk
2203                        # by setting these to the appropriate values to allow gitk
2204                        # to skip the heuristics to find their proper value
2205                        unset env(GIT_DIR)
2206                        unset env(GIT_WORK_TREE)
2207                }
2208                eval exec $cmd $revs "--" "--" &
2209
2210                set env(GIT_DIR) $_gitdir
2211                set env(GIT_WORK_TREE) $_gitworktree
2212                cd $pwd
2213
2214                ui_status $::starting_gitk_msg
2215                after 10000 {
2216                        ui_ready $starting_gitk_msg
2217                }
2218        }
2219}
2220
2221proc do_git_gui {} {
2222        global current_diff_path
2223
2224        # -- Always start git gui through whatever we were loaded with.  This
2225        #    lets us bypass using shell process on Windows systems.
2226        #
2227        set exe [list [_which git]]
2228        if {$exe eq {}} {
2229                error_popup [mc "Couldn't find git gui in PATH"]
2230        } else {
2231                global env
2232                global _gitdir _gitworktree
2233
2234                # see note in do_gitk about unsetting these vars when
2235                # running tools in a submodule
2236                unset env(GIT_DIR)
2237                unset env(GIT_WORK_TREE)
2238
2239                set pwd [pwd]
2240                cd $current_diff_path
2241
2242                eval exec $exe gui &
2243
2244                set env(GIT_DIR) $_gitdir
2245                set env(GIT_WORK_TREE) $_gitworktree
2246                cd $pwd
2247
2248                ui_status $::starting_gitk_msg
2249                after 10000 {
2250                        ui_ready $starting_gitk_msg
2251                }
2252        }
2253}
2254
2255proc do_explore {} {
2256        global _gitworktree
2257        set explorer {}
2258        if {[is_Cygwin] || [is_Windows]} {
2259                set explorer "explorer.exe"
2260        } elseif {[is_MacOSX]} {
2261                set explorer "open"
2262        } else {
2263                # freedesktop.org-conforming system is our best shot
2264                set explorer "xdg-open"
2265        }
2266        eval exec $explorer [list [file nativename $_gitworktree]] &
2267}
2268
2269set is_quitting 0
2270set ret_code    1
2271
2272proc terminate_me {win} {
2273        global ret_code
2274        if {$win ne {.}} return
2275        exit $ret_code
2276}
2277
2278proc do_quit {{rc {1}}} {
2279        global ui_comm is_quitting repo_config commit_type
2280        global GITGUI_BCK_exists GITGUI_BCK_i
2281        global ui_comm_spell
2282        global ret_code use_ttk
2283
2284        if {$is_quitting} return
2285        set is_quitting 1
2286
2287        if {[winfo exists $ui_comm]} {
2288                # -- Stash our current commit buffer.
2289                #
2290                set save [gitdir GITGUI_MSG]
2291                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2292                        file rename -force [gitdir GITGUI_BCK] $save
2293                        set GITGUI_BCK_exists 0
2294                } else {
2295                        set msg [string trim [$ui_comm get 0.0 end]]
2296                        regsub -all -line {[ \r\t]+$} $msg {} msg
2297                        if {(![string match amend* $commit_type]
2298                                || [$ui_comm edit modified])
2299                                && $msg ne {}} {
2300                                catch {
2301                                        set fd [open $save w]
2302                                        fconfigure $fd -encoding utf-8
2303                                        puts -nonewline $fd $msg
2304                                        close $fd
2305                                }
2306                        } else {
2307                                catch {file delete $save}
2308                        }
2309                }
2310
2311                # -- Cancel our spellchecker if its running.
2312                #
2313                if {[info exists ui_comm_spell]} {
2314                        $ui_comm_spell stop
2315                }
2316
2317                # -- Remove our editor backup, its not needed.
2318                #
2319                after cancel $GITGUI_BCK_i
2320                if {$GITGUI_BCK_exists} {
2321                        catch {file delete [gitdir GITGUI_BCK]}
2322                }
2323
2324                # -- Stash our current window geometry into this repository.
2325                #
2326                set cfg_wmstate [wm state .]
2327                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2328                        set rc_wmstate {}
2329                }
2330                if {$cfg_wmstate ne $rc_wmstate} {
2331                        catch {git config gui.wmstate $cfg_wmstate}
2332                }
2333                if {$cfg_wmstate eq {zoomed}} {
2334                        # on Windows wm geometry will lie about window
2335                        # position (but not size) when window is zoomed
2336                        # restore the window before querying wm geometry
2337                        wm state . normal
2338                }
2339                set cfg_geometry [list]
2340                lappend cfg_geometry [wm geometry .]
2341                if {$use_ttk} {
2342                        lappend cfg_geometry [.vpane sashpos 0]
2343                        lappend cfg_geometry [.vpane.files sashpos 0]
2344                } else {
2345                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2346                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2347                }
2348                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2349                        set rc_geometry {}
2350                }
2351                if {$cfg_geometry ne $rc_geometry} {
2352                        catch {git config gui.geometry $cfg_geometry}
2353                }
2354        }
2355
2356        set ret_code $rc
2357
2358        # Briefly enable send again, working around Tk bug
2359        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2360        tk appname [appname]
2361
2362        destroy .
2363}
2364
2365proc do_rescan {} {
2366        rescan ui_ready
2367}
2368
2369proc ui_do_rescan {} {
2370        rescan {force_first_diff ui_ready}
2371}
2372
2373proc do_commit {} {
2374        commit_tree
2375}
2376
2377proc next_diff {{after {}}} {
2378        global next_diff_p next_diff_w next_diff_i
2379        show_diff $next_diff_p $next_diff_w {} {} $after
2380}
2381
2382proc find_anchor_pos {lst name} {
2383        set lid [lsearch -sorted -exact $lst $name]
2384
2385        if {$lid == -1} {
2386                set lid 0
2387                foreach lname $lst {
2388                        if {$lname >= $name} break
2389                        incr lid
2390                }
2391        }
2392
2393        return $lid
2394}
2395
2396proc find_file_from {flist idx delta path mmask} {
2397        global file_states
2398
2399        set len [llength $flist]
2400        while {$idx >= 0 && $idx < $len} {
2401                set name [lindex $flist $idx]
2402
2403                if {$name ne $path && [info exists file_states($name)]} {
2404                        set state [lindex $file_states($name) 0]
2405
2406                        if {$mmask eq {} || [regexp $mmask $state]} {
2407                                return $idx
2408                        }
2409                }
2410
2411                incr idx $delta
2412        }
2413
2414        return {}
2415}
2416
2417proc find_next_diff {w path {lno {}} {mmask {}}} {
2418        global next_diff_p next_diff_w next_diff_i
2419        global file_lists ui_index ui_workdir
2420
2421        set flist $file_lists($w)
2422        if {$lno eq {}} {
2423                set lno [find_anchor_pos $flist $path]
2424        } else {
2425                incr lno -1
2426        }
2427
2428        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2429                if {$w eq $ui_index} {
2430                        set mmask "^$mmask"
2431                } else {
2432                        set mmask "$mmask\$"
2433                }
2434        }
2435
2436        set idx [find_file_from $flist $lno 1 $path $mmask]
2437        if {$idx eq {}} {
2438                incr lno -1
2439                set idx [find_file_from $flist $lno -1 $path $mmask]
2440        }
2441
2442        if {$idx ne {}} {
2443                set next_diff_w $w
2444                set next_diff_p [lindex $flist $idx]
2445                set next_diff_i [expr {$idx+1}]
2446                return 1
2447        } else {
2448                return 0
2449        }
2450}
2451
2452proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2453        global current_diff_path
2454
2455        if {$path ne $current_diff_path} {
2456                return {}
2457        } elseif {[find_next_diff $w $path $lno $mmask]} {
2458                return {next_diff;}
2459        } else {
2460                return {reshow_diff;}
2461        }
2462}
2463
2464proc select_first_diff {after} {
2465        global ui_workdir
2466
2467        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2468            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2469                next_diff $after
2470        } else {
2471                uplevel #0 $after
2472        }
2473}
2474
2475proc force_first_diff {after} {
2476        global ui_workdir current_diff_path file_states
2477
2478        if {[info exists file_states($current_diff_path)]} {
2479                set state [lindex $file_states($current_diff_path) 0]
2480        } else {
2481                set state {OO}
2482        }
2483
2484        set reselect 0
2485        if {[string first {U} $state] >= 0} {
2486                # Already a conflict, do nothing
2487        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2488                set reselect 1
2489        } elseif {[string index $state 1] ne {O}} {
2490                # Already a diff & no conflicts, do nothing
2491        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2492                set reselect 1
2493        }
2494
2495        if {$reselect} {
2496                next_diff $after
2497        } else {
2498                uplevel #0 $after
2499        }
2500}
2501
2502proc toggle_or_diff {w x y} {
2503        global file_states file_lists current_diff_path ui_index ui_workdir
2504        global last_clicked selected_paths
2505
2506        set pos [split [$w index @$x,$y] .]
2507        set lno [lindex $pos 0]
2508        set col [lindex $pos 1]
2509        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2510        if {$path eq {}} {
2511                set last_clicked {}
2512                return
2513        }
2514
2515        set last_clicked [list $w $lno]
2516        array unset selected_paths
2517        $ui_index tag remove in_sel 0.0 end
2518        $ui_workdir tag remove in_sel 0.0 end
2519
2520        # Determine the state of the file
2521        if {[info exists file_states($path)]} {
2522                set state [lindex $file_states($path) 0]
2523        } else {
2524                set state {__}
2525        }
2526
2527        # Restage the file, or simply show the diff
2528        if {$col == 0 && $y > 1} {
2529                # Conflicts need special handling
2530                if {[string first {U} $state] >= 0} {
2531                        # $w must always be $ui_workdir, but...
2532                        if {$w ne $ui_workdir} { set lno {} }
2533                        merge_stage_workdir $path $lno
2534                        return
2535                }
2536
2537                if {[string index $state 1] eq {O}} {
2538                        set mmask {}
2539                } else {
2540                        set mmask {[^O]}
2541                }
2542
2543                set after [next_diff_after_action $w $path $lno $mmask]
2544
2545                if {$w eq $ui_index} {
2546                        update_indexinfo \
2547                                "Unstaging [short_path $path] from commit" \
2548                                [list $path] \
2549                                [concat $after [list ui_ready]]
2550                } elseif {$w eq $ui_workdir} {
2551                        update_index \
2552                                "Adding [short_path $path]" \
2553                                [list $path] \
2554                                [concat $after [list ui_ready]]
2555                }
2556        } else {
2557                set selected_paths($path) 1
2558                show_diff $path $w $lno
2559        }
2560}
2561
2562proc add_one_to_selection {w x y} {
2563        global file_lists last_clicked selected_paths
2564
2565        set lno [lindex [split [$w index @$x,$y] .] 0]
2566        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2567        if {$path eq {}} {
2568                set last_clicked {}
2569                return
2570        }
2571
2572        if {$last_clicked ne {}
2573                && [lindex $last_clicked 0] ne $w} {
2574                array unset selected_paths
2575                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2576        }
2577
2578        set last_clicked [list $w $lno]
2579        if {[catch {set in_sel $selected_paths($path)}]} {
2580                set in_sel 0
2581        }
2582        if {$in_sel} {
2583                unset selected_paths($path)
2584                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2585        } else {
2586                set selected_paths($path) 1
2587                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2588        }
2589}
2590
2591proc add_range_to_selection {w x y} {
2592        global file_lists last_clicked selected_paths
2593
2594        if {[lindex $last_clicked 0] ne $w} {
2595                toggle_or_diff $w $x $y
2596                return
2597        }
2598
2599        set lno [lindex [split [$w index @$x,$y] .] 0]
2600        set lc [lindex $last_clicked 1]
2601        if {$lc < $lno} {
2602                set begin $lc
2603                set end $lno
2604        } else {
2605                set begin $lno
2606                set end $lc
2607        }
2608
2609        foreach path [lrange $file_lists($w) \
2610                [expr {$begin - 1}] \
2611                [expr {$end - 1}]] {
2612                set selected_paths($path) 1
2613        }
2614        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2615}
2616
2617proc show_more_context {} {
2618        global repo_config
2619        if {$repo_config(gui.diffcontext) < 99} {
2620                incr repo_config(gui.diffcontext)
2621                reshow_diff
2622        }
2623}
2624
2625proc show_less_context {} {
2626        global repo_config
2627        if {$repo_config(gui.diffcontext) > 1} {
2628                incr repo_config(gui.diffcontext) -1
2629                reshow_diff
2630        }
2631}
2632
2633######################################################################
2634##
2635## ui construction
2636
2637set ui_comm {}
2638
2639# -- Menu Bar
2640#
2641menu .mbar -tearoff 0
2642if {[is_MacOSX]} {
2643        # -- Apple Menu (Mac OS X only)
2644        #
2645        .mbar add cascade -label Apple -menu .mbar.apple
2646        menu .mbar.apple
2647}
2648.mbar add cascade -label [mc Repository] -menu .mbar.repository
2649.mbar add cascade -label [mc Edit] -menu .mbar.edit
2650if {[is_enabled branch]} {
2651        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2652}
2653if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2654        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2655}
2656if {[is_enabled transport]} {
2657        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2658        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2659}
2660if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2661        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2662}
2663
2664# -- Repository Menu
2665#
2666menu .mbar.repository
2667
2668if {![is_bare]} {
2669        .mbar.repository add command \
2670                -label [mc "Explore Working Copy"] \
2671                -command {do_explore}
2672}
2673
2674if {[is_Windows]} {
2675        .mbar.repository add command \
2676                -label [mc "Git Bash"] \
2677                -command {eval exec [auto_execok start] \
2678                                          [list "Git Bash" bash --login -l &]}
2679}
2680
2681if {[is_Windows] || ![is_bare]} {
2682        .mbar.repository add separator
2683}
2684
2685.mbar.repository add command \
2686        -label [mc "Browse Current Branch's Files"] \
2687        -command {browser::new $current_branch}
2688set ui_browse_current [.mbar.repository index last]
2689.mbar.repository add command \
2690        -label [mc "Browse Branch Files..."] \
2691        -command browser_open::dialog
2692.mbar.repository add separator
2693
2694.mbar.repository add command \
2695        -label [mc "Visualize Current Branch's History"] \
2696        -command {do_gitk $current_branch}
2697set ui_visualize_current [.mbar.repository index last]
2698.mbar.repository add command \
2699        -label [mc "Visualize All Branch History"] \
2700        -command {do_gitk --all}
2701.mbar.repository add separator
2702
2703proc current_branch_write {args} {
2704        global current_branch
2705        .mbar.repository entryconf $::ui_browse_current \
2706                -label [mc "Browse %s's Files" $current_branch]
2707        .mbar.repository entryconf $::ui_visualize_current \
2708                -label [mc "Visualize %s's History" $current_branch]
2709}
2710trace add variable current_branch write current_branch_write
2711
2712if {[is_enabled multicommit]} {
2713        .mbar.repository add command -label [mc "Database Statistics"] \
2714                -command do_stats
2715
2716        .mbar.repository add command -label [mc "Compress Database"] \
2717                -command do_gc
2718
2719        .mbar.repository add command -label [mc "Verify Database"] \
2720                -command do_fsck_objects
2721
2722        .mbar.repository add separator
2723
2724        if {[is_Cygwin]} {
2725                .mbar.repository add command \
2726                        -label [mc "Create Desktop Icon"] \
2727                        -command do_cygwin_shortcut
2728        } elseif {[is_Windows]} {
2729                .mbar.repository add command \
2730                        -label [mc "Create Desktop Icon"] \
2731                        -command do_windows_shortcut
2732        } elseif {[is_MacOSX]} {
2733                .mbar.repository add command \
2734                        -label [mc "Create Desktop Icon"] \
2735                        -command do_macosx_app
2736        }
2737}
2738
2739if {[is_MacOSX]} {
2740        proc ::tk::mac::Quit {args} { do_quit }
2741} else {
2742        .mbar.repository add command -label [mc Quit] \
2743                -command do_quit \
2744                -accelerator $M1T-Q
2745}
2746
2747# -- Edit Menu
2748#
2749menu .mbar.edit
2750.mbar.edit add command -label [mc Undo] \
2751        -command {catch {[focus] edit undo}} \
2752        -accelerator $M1T-Z
2753.mbar.edit add command -label [mc Redo] \
2754        -command {catch {[focus] edit redo}} \
2755        -accelerator $M1T-Y
2756.mbar.edit add separator
2757.mbar.edit add command -label [mc Cut] \
2758        -command {catch {tk_textCut [focus]}} \
2759        -accelerator $M1T-X
2760.mbar.edit add command -label [mc Copy] \
2761        -command {catch {tk_textCopy [focus]}} \
2762        -accelerator $M1T-C
2763.mbar.edit add command -label [mc Paste] \
2764        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2765        -accelerator $M1T-V
2766.mbar.edit add command -label [mc Delete] \
2767        -command {catch {[focus] delete sel.first sel.last}} \
2768        -accelerator Del
2769.mbar.edit add separator
2770.mbar.edit add command -label [mc "Select All"] \
2771        -command {catch {[focus] tag add sel 0.0 end}} \
2772        -accelerator $M1T-A
2773
2774# -- Branch Menu
2775#
2776if {[is_enabled branch]} {
2777        menu .mbar.branch
2778
2779        .mbar.branch add command -label [mc "Create..."] \
2780                -command branch_create::dialog \
2781                -accelerator $M1T-N
2782        lappend disable_on_lock [list .mbar.branch entryconf \
2783                [.mbar.branch index last] -state]
2784
2785        .mbar.branch add command -label [mc "Checkout..."] \
2786                -command branch_checkout::dialog \
2787                -accelerator $M1T-O
2788        lappend disable_on_lock [list .mbar.branch entryconf \
2789                [.mbar.branch index last] -state]
2790
2791        .mbar.branch add command -label [mc "Rename..."] \
2792                -command branch_rename::dialog
2793        lappend disable_on_lock [list .mbar.branch entryconf \
2794                [.mbar.branch index last] -state]
2795
2796        .mbar.branch add command -label [mc "Delete..."] \
2797                -command branch_delete::dialog
2798        lappend disable_on_lock [list .mbar.branch entryconf \
2799                [.mbar.branch index last] -state]
2800
2801        .mbar.branch add command -label [mc "Reset..."] \
2802                -command merge::reset_hard
2803        lappend disable_on_lock [list .mbar.branch entryconf \
2804                [.mbar.branch index last] -state]
2805}
2806
2807# -- Commit Menu
2808#
2809proc commit_btn_caption {} {
2810        if {[is_enabled nocommit]} {
2811                return [mc "Done"]
2812        } else {
2813                return [mc Commit@@verb]
2814        }
2815}
2816
2817if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2818        menu .mbar.commit
2819
2820        if {![is_enabled nocommit]} {
2821                .mbar.commit add radiobutton \
2822                        -label [mc "New Commit"] \
2823                        -command do_select_commit_type \
2824                        -variable selected_commit_type \
2825                        -value new
2826                lappend disable_on_lock \
2827                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2828
2829                .mbar.commit add radiobutton \
2830                        -label [mc "Amend Last Commit"] \
2831                        -command do_select_commit_type \
2832                        -variable selected_commit_type \
2833                        -value amend
2834                lappend disable_on_lock \
2835                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2836
2837                .mbar.commit add separator
2838        }
2839
2840        .mbar.commit add command -label [mc Rescan] \
2841                -command ui_do_rescan \
2842                -accelerator F5
2843        lappend disable_on_lock \
2844                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2845
2846        .mbar.commit add command -label [mc "Stage To Commit"] \
2847                -command do_add_selection \
2848                -accelerator $M1T-T
2849        lappend disable_on_lock \
2850                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2851
2852        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2853                -command do_add_all \
2854                -accelerator $M1T-I
2855        lappend disable_on_lock \
2856                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2857
2858        .mbar.commit add command -label [mc "Unstage From Commit"] \
2859                -command do_unstage_selection \
2860                -accelerator $M1T-U
2861        lappend disable_on_lock \
2862                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2863
2864        .mbar.commit add command -label [mc "Revert Changes"] \
2865                -command do_revert_selection \
2866                -accelerator $M1T-J
2867        lappend disable_on_lock \
2868                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2869
2870        .mbar.commit add separator
2871
2872        .mbar.commit add command -label [mc "Show Less Context"] \
2873                -command show_less_context \
2874                -accelerator $M1T-\-
2875
2876        .mbar.commit add command -label [mc "Show More Context"] \
2877                -command show_more_context \
2878                -accelerator $M1T-=
2879
2880        .mbar.commit add separator
2881
2882        if {![is_enabled nocommitmsg]} {
2883                .mbar.commit add command -label [mc "Sign Off"] \
2884                        -command do_signoff \
2885                        -accelerator $M1T-S
2886        }
2887
2888        .mbar.commit add command -label [commit_btn_caption] \
2889                -command do_commit \
2890                -accelerator $M1T-Return
2891        lappend disable_on_lock \
2892                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2893}
2894
2895# -- Merge Menu
2896#
2897if {[is_enabled branch]} {
2898        menu .mbar.merge
2899        .mbar.merge add command -label [mc "Local Merge..."] \
2900                -command merge::dialog \
2901                -accelerator $M1T-M
2902        lappend disable_on_lock \
2903                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2904        .mbar.merge add command -label [mc "Abort Merge..."] \
2905                -command merge::reset_hard
2906        lappend disable_on_lock \
2907                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2908}
2909
2910# -- Transport Menu
2911#
2912if {[is_enabled transport]} {
2913        menu .mbar.remote
2914
2915        .mbar.remote add command \
2916                -label [mc "Add..."] \
2917                -command remote_add::dialog \
2918                -accelerator $M1T-A
2919        .mbar.remote add command \
2920                -label [mc "Push..."] \
2921                -command do_push_anywhere \
2922                -accelerator $M1T-P
2923        .mbar.remote add command \
2924                -label [mc "Delete Branch..."] \
2925                -command remote_branch_delete::dialog
2926}
2927
2928if {[is_MacOSX]} {
2929        proc ::tk::mac::ShowPreferences {} {do_options}
2930} else {
2931        # -- Edit Menu
2932        #
2933        .mbar.edit add separator
2934        .mbar.edit add command -label [mc "Options..."] \
2935                -command do_options
2936}
2937
2938# -- Tools Menu
2939#
2940if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2941        set tools_menubar .mbar.tools
2942        menu $tools_menubar
2943        $tools_menubar add separator
2944        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2945        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2946        set tools_tailcnt 3
2947        if {[array names repo_config guitool.*.cmd] ne {}} {
2948                tools_populate_all
2949        }
2950}
2951
2952# -- Help Menu
2953#
2954.mbar add cascade -label [mc Help] -menu .mbar.help
2955menu .mbar.help
2956
2957if {[is_MacOSX]} {
2958        .mbar.apple add command -label [mc "About %s" [appname]] \
2959                -command do_about
2960        .mbar.apple add separator
2961} else {
2962        .mbar.help add command -label [mc "About %s" [appname]] \
2963                -command do_about
2964}
2965. configure -menu .mbar
2966
2967set doc_path [githtmldir]
2968if {$doc_path ne {}} {
2969        set doc_path [file join $doc_path index.html]
2970
2971        if {[is_Cygwin]} {
2972                set doc_path [exec cygpath --mixed $doc_path]
2973        }
2974}
2975
2976if {[file isfile $doc_path]} {
2977        set doc_url "file:$doc_path"
2978} else {
2979        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2980}
2981
2982proc start_browser {url} {
2983        git "web--browse" $url
2984}
2985
2986.mbar.help add command -label [mc "Online Documentation"] \
2987        -command [list start_browser $doc_url]
2988
2989.mbar.help add command -label [mc "Show SSH Key"] \
2990        -command do_ssh_key
2991
2992unset doc_path doc_url
2993
2994# -- Standard bindings
2995#
2996wm protocol . WM_DELETE_WINDOW do_quit
2997bind all <$M1B-Key-q> do_quit
2998bind all <$M1B-Key-Q> do_quit
2999bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3000bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3001
3002set subcommand_args {}
3003proc usage {} {
3004        set s "usage: $::argv0 $::subcommand $::subcommand_args"
3005        if {[tk windowingsystem] eq "win32"} {
3006                wm withdraw .
3007                tk_messageBox -icon info -message $s \
3008                        -title [mc "Usage"]
3009        } else {
3010                puts stderr $s
3011        }
3012        exit 1
3013}
3014
3015proc normalize_relpath {path} {
3016        set elements {}
3017        foreach item [file split $path] {
3018                if {$item eq {.}} continue
3019                if {$item eq {..} && [llength $elements] > 0
3020                    && [lindex $elements end] ne {..}} {
3021                        set elements [lrange $elements 0 end-1]
3022                        continue
3023                }
3024                lappend elements $item
3025        }
3026        return [eval file join $elements]
3027}
3028
3029# -- Not a normal commit type invocation?  Do that instead!
3030#
3031switch -- $subcommand {
3032browser -
3033blame {
3034        if {$subcommand eq "blame"} {
3035                set subcommand_args {[--line=<num>] rev? path}
3036        } else {
3037                set subcommand_args {rev? path}
3038        }
3039        if {$argv eq {}} usage
3040        set head {}
3041        set path {}
3042        set jump_spec {}
3043        set is_path 0
3044        foreach a $argv {
3045                set p [file join $_prefix $a]
3046
3047                if {$is_path || [file exists $p]} {
3048                        if {$path ne {}} usage
3049                        set path [normalize_relpath $p]
3050                        break
3051                } elseif {$a eq {--}} {
3052                        if {$path ne {}} {
3053                                if {$head ne {}} usage
3054                                set head $path
3055                                set path {}
3056                        }
3057                        set is_path 1
3058                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3059                        if {$jump_spec ne {} || $head ne {}} usage
3060                        set jump_spec [list $lnum]
3061                } elseif {$head eq {}} {
3062                        if {$head ne {}} usage
3063                        set head $a
3064                        set is_path 1
3065                } else {
3066                        usage
3067                }
3068        }
3069        unset is_path
3070
3071        if {$head ne {} && $path eq {}} {
3072                if {[string index $head 0] eq {/}} {
3073                        set path [normalize_relpath $head]
3074                        set head {}
3075                } else {
3076                        set path [normalize_relpath $_prefix$head]
3077                        set head {}
3078                }
3079        }
3080
3081        if {$head eq {}} {
3082                load_current_branch
3083        } else {
3084                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3085                        if {[catch {
3086                                        set head [git rev-parse --verify $head]
3087                                } err]} {
3088                                if {[tk windowingsystem] eq "win32"} {
3089                                        tk_messageBox -icon error -title [mc Error] -message $err
3090                                } else {
3091                                        puts stderr $err
3092                                }
3093                                exit 1
3094                        }
3095                }
3096                set current_branch $head
3097        }
3098
3099        wm deiconify .
3100        switch -- $subcommand {
3101        browser {
3102                if {$jump_spec ne {}} usage
3103                if {$head eq {}} {
3104                        if {$path ne {} && [file isdirectory $path]} {
3105                                set head $current_branch
3106                        } else {
3107                                set head $path
3108                                set path {}
3109                        }
3110                }
3111                browser::new $head $path
3112        }
3113        blame   {
3114                if {$head eq {} && ![file exists $path]} {
3115                        catch {wm withdraw .}
3116                        tk_messageBox \
3117                                -icon error \
3118                                -type ok \
3119                                -title [mc "git-gui: fatal error"] \
3120                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3121                        exit 1
3122                }
3123                blame::new $head $path $jump_spec
3124        }
3125        }
3126        return
3127}
3128citool -
3129gui {
3130        if {[llength $argv] != 0} {
3131                usage
3132        }
3133        # fall through to setup UI for commits
3134}
3135default {
3136        set err "usage: $argv0 \[{blame|browser|citool}\]"
3137        if {[tk windowingsystem] eq "win32"} {
3138                wm withdraw .
3139                tk_messageBox -icon error -message $err \
3140                        -title [mc "Usage"]
3141        } else {
3142                puts stderr $err
3143        }
3144        exit 1
3145}
3146}
3147
3148# -- Branch Control
3149#
3150${NS}::frame .branch
3151if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3152${NS}::label .branch.l1 \
3153        -text [mc "Current Branch:"] \
3154        -anchor w \
3155        -justify left
3156${NS}::label .branch.cb \
3157        -textvariable current_branch \
3158        -anchor w \
3159        -justify left
3160pack .branch.l1 -side left
3161pack .branch.cb -side left -fill x
3162pack .branch -side top -fill x
3163
3164# -- Main Window Layout
3165#
3166${NS}::panedwindow .vpane -orient horizontal
3167${NS}::panedwindow .vpane.files -orient vertical
3168if {$use_ttk} {
3169        .vpane add .vpane.files
3170} else {
3171        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3172}
3173pack .vpane -anchor n -side top -fill both -expand 1
3174
3175# -- Index File List
3176#
3177${NS}::frame .vpane.files.index -height 100 -width 200
3178tlabel .vpane.files.index.title \
3179        -text [mc "Staged Changes (Will Commit)"] \
3180        -background lightgreen -foreground black
3181text $ui_index -background white -foreground black \
3182        -borderwidth 0 \
3183        -width 20 -height 10 \
3184        -wrap none \
3185        -cursor $cursor_ptr \
3186        -xscrollcommand {.vpane.files.index.sx set} \
3187        -yscrollcommand {.vpane.files.index.sy set} \
3188        -state disabled
3189${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3190${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3191pack .vpane.files.index.title -side top -fill x
3192pack .vpane.files.index.sx -side bottom -fill x
3193pack .vpane.files.index.sy -side right -fill y
3194pack $ui_index -side left -fill both -expand 1
3195
3196# -- Working Directory File List
3197#
3198${NS}::frame .vpane.files.workdir -height 100 -width 200
3199tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3200        -background lightsalmon -foreground black
3201text $ui_workdir -background white -foreground black \
3202        -borderwidth 0 \
3203        -width 20 -height 10 \
3204        -wrap none \
3205        -cursor $cursor_ptr \
3206        -xscrollcommand {.vpane.files.workdir.sx set} \
3207        -yscrollcommand {.vpane.files.workdir.sy set} \
3208        -state disabled
3209${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3210${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3211pack .vpane.files.workdir.title -side top -fill x
3212pack .vpane.files.workdir.sx -side bottom -fill x
3213pack .vpane.files.workdir.sy -side right -fill y
3214pack $ui_workdir -side left -fill both -expand 1
3215
3216.vpane.files add .vpane.files.workdir
3217.vpane.files add .vpane.files.index
3218if {!$use_ttk} {
3219        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3220        .vpane.files paneconfigure .vpane.files.index -sticky news
3221}
3222
3223foreach i [list $ui_index $ui_workdir] {
3224        rmsel_tag $i
3225        $i tag conf in_diff -background [$i tag cget in_sel -background]
3226}
3227unset i
3228
3229# -- Diff and Commit Area
3230#
3231if {$have_tk85} {
3232        ${NS}::panedwindow .vpane.lower -orient vertical
3233        ${NS}::frame .vpane.lower.commarea
3234        ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3235        .vpane.lower add .vpane.lower.diff
3236        .vpane.lower add .vpane.lower.commarea
3237        .vpane add .vpane.lower
3238        if {$use_ttk} {
3239                .vpane.lower pane .vpane.lower.diff -weight 1
3240                .vpane.lower pane .vpane.lower.commarea -weight 0
3241        } else {
3242                .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3243                .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3244        }
3245} else {
3246        frame .vpane.lower -height 300 -width 400
3247        frame .vpane.lower.commarea
3248        frame .vpane.lower.diff -relief sunken -borderwidth 1
3249        pack .vpane.lower.diff -fill both -expand 1
3250        pack .vpane.lower.commarea -side bottom -fill x
3251        .vpane add .vpane.lower
3252        .vpane paneconfigure .vpane.lower -sticky nsew
3253}
3254
3255# -- Commit Area Buttons
3256#
3257${NS}::frame .vpane.lower.commarea.buttons
3258${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3259        -anchor w \
3260        -justify left
3261pack .vpane.lower.commarea.buttons.l -side top -fill x
3262pack .vpane.lower.commarea.buttons -side left -fill y
3263
3264${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3265        -command ui_do_rescan
3266pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3267lappend disable_on_lock \
3268        {.vpane.lower.commarea.buttons.rescan conf -state}
3269
3270${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3271        -command do_add_all
3272pack .vpane.lower.commarea.buttons.incall -side top -fill x
3273lappend disable_on_lock \
3274        {.vpane.lower.commarea.buttons.incall conf -state}
3275
3276if {![is_enabled nocommitmsg]} {
3277        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3278                -command do_signoff
3279        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3280}
3281
3282${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3283        -command do_commit
3284pack .vpane.lower.commarea.buttons.commit -side top -fill x
3285lappend disable_on_lock \
3286        {.vpane.lower.commarea.buttons.commit conf -state}
3287
3288if {![is_enabled nocommit]} {
3289        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3290                -command do_push_anywhere
3291        pack .vpane.lower.commarea.buttons.push -side top -fill x
3292}
3293
3294# -- Commit Message Buffer
3295#
3296${NS}::frame .vpane.lower.commarea.buffer
3297${NS}::frame .vpane.lower.commarea.buffer.header
3298set ui_comm .vpane.lower.commarea.buffer.t
3299set ui_coml .vpane.lower.commarea.buffer.header.l
3300
3301if {![is_enabled nocommit]} {
3302        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3303                -text [mc "New Commit"] \
3304                -command do_select_commit_type \
3305                -variable selected_commit_type \
3306                -value new
3307        lappend disable_on_lock \
3308                [list .vpane.lower.commarea.buffer.header.new conf -state]
3309        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3310                -text [mc "Amend Last Commit"] \
3311                -command do_select_commit_type \
3312                -variable selected_commit_type \
3313                -value amend
3314        lappend disable_on_lock \
3315                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3316}
3317
3318${NS}::label $ui_coml \
3319        -anchor w \
3320        -justify left
3321proc trace_commit_type {varname args} {
3322        global ui_coml commit_type
3323        switch -glob -- $commit_type {
3324        initial       {set txt [mc "Initial Commit Message:"]}
3325        amend         {set txt [mc "Amended Commit Message:"]}
3326        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3327        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3328        merge         {set txt [mc "Merge Commit Message:"]}
3329        *             {set txt [mc "Commit Message:"]}
3330        }
3331        $ui_coml conf -text $txt
3332}
3333trace add variable commit_type write trace_commit_type
3334pack $ui_coml -side left -fill x
3335
3336if {![is_enabled nocommit]} {
3337        pack .vpane.lower.commarea.buffer.header.amend -side right
3338        pack .vpane.lower.commarea.buffer.header.new -side right
3339}
3340
3341text $ui_comm -background white -foreground black \
3342        -borderwidth 1 \
3343        -undo true \
3344        -maxundo 20 \
3345        -autoseparators true \
3346        -relief sunken \
3347        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3348        -font font_diff \
3349        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3350${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3351        -command [list $ui_comm yview]
3352pack .vpane.lower.commarea.buffer.header -side top -fill x
3353pack .vpane.lower.commarea.buffer.sby -side right -fill y
3354pack $ui_comm -side left -fill y
3355pack .vpane.lower.commarea.buffer -side left -fill y
3356
3357# -- Commit Message Buffer Context Menu
3358#
3359set ctxm .vpane.lower.commarea.buffer.ctxm
3360menu $ctxm -tearoff 0
3361$ctxm add command \
3362        -label [mc Cut] \
3363        -command {tk_textCut $ui_comm}
3364$ctxm add command \
3365        -label [mc Copy] \
3366        -command {tk_textCopy $ui_comm}
3367$ctxm add command \
3368        -label [mc Paste] \
3369        -command {tk_textPaste $ui_comm}
3370$ctxm add command \
3371        -label [mc Delete] \
3372        -command {catch {$ui_comm delete sel.first sel.last}}
3373$ctxm add separator
3374$ctxm add command \
3375        -label [mc "Select All"] \
3376        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3377$ctxm add command \
3378        -label [mc "Copy All"] \
3379        -command {
3380                $ui_comm tag add sel 0.0 end
3381                tk_textCopy $ui_comm
3382                $ui_comm tag remove sel 0.0 end
3383        }
3384$ctxm add separator
3385$ctxm add command \
3386        -label [mc "Sign Off"] \
3387        -command do_signoff
3388set ui_comm_ctxm $ctxm
3389
3390# -- Diff Header
3391#
3392proc trace_current_diff_path {varname args} {
3393        global current_diff_path diff_actions file_states
3394        if {$current_diff_path eq {}} {
3395                set s {}
3396                set f {}
3397                set p {}
3398                set o disabled
3399        } else {
3400                set p $current_diff_path
3401                set s [mapdesc [lindex $file_states($p) 0] $p]
3402                set f [mc "File:"]
3403                set p [escape_path $p]
3404                set o normal
3405        }
3406
3407        .vpane.lower.diff.header.status configure -text $s
3408        .vpane.lower.diff.header.file configure -text $f
3409        .vpane.lower.diff.header.path configure -text $p
3410        foreach w $diff_actions {
3411                uplevel #0 $w $o
3412        }
3413}
3414trace add variable current_diff_path write trace_current_diff_path
3415
3416gold_frame .vpane.lower.diff.header
3417tlabel .vpane.lower.diff.header.status \
3418        -background gold \
3419        -foreground black \
3420        -width $max_status_desc \
3421        -anchor w \
3422        -justify left
3423tlabel .vpane.lower.diff.header.file \
3424        -background gold \
3425        -foreground black \
3426        -anchor w \
3427        -justify left
3428tlabel .vpane.lower.diff.header.path \
3429        -background gold \
3430        -foreground black \
3431        -anchor w \
3432        -justify left
3433pack .vpane.lower.diff.header.status -side left
3434pack .vpane.lower.diff.header.file -side left
3435pack .vpane.lower.diff.header.path -fill x
3436set ctxm .vpane.lower.diff.header.ctxm
3437menu $ctxm -tearoff 0
3438$ctxm add command \
3439        -label [mc Copy] \
3440        -command {
3441                clipboard clear
3442                clipboard append \
3443                        -format STRING \
3444                        -type STRING \
3445                        -- $current_diff_path
3446        }
3447lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3448bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3449
3450# -- Diff Body
3451#
3452${NS}::frame .vpane.lower.diff.body
3453set ui_diff .vpane.lower.diff.body.t
3454text $ui_diff -background white -foreground black \
3455        -borderwidth 0 \
3456        -width 80 -height 5 -wrap none \
3457        -font font_diff \
3458        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3459        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3460        -state disabled
3461catch {$ui_diff configure -tabstyle wordprocessor}
3462${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3463        -command [list $ui_diff xview]
3464${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3465        -command [list $ui_diff yview]
3466pack .vpane.lower.diff.body.sbx -side bottom -fill x
3467pack .vpane.lower.diff.body.sby -side right -fill y
3468pack $ui_diff -side left -fill both -expand 1
3469pack .vpane.lower.diff.header -side top -fill x
3470pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3471
3472foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3473        $ui_diff tag configure clr4$n -background $c
3474        $ui_diff tag configure clri4$n -foreground $c
3475        $ui_diff tag configure clr3$n -foreground $c
3476        $ui_diff tag configure clri3$n -background $c
3477}
3478$ui_diff tag configure clr1 -font font_diffbold
3479$ui_diff tag configure clr4 -underline 1
3480
3481$ui_diff tag conf d_info -foreground blue -font font_diffbold
3482
3483$ui_diff tag conf d_cr -elide true
3484$ui_diff tag conf d_@ -font font_diffbold
3485$ui_diff tag conf d_+ -foreground {#00a000}
3486$ui_diff tag conf d_- -foreground red
3487
3488$ui_diff tag conf d_++ -foreground {#00a000}
3489$ui_diff tag conf d_-- -foreground red
3490$ui_diff tag conf d_+s \
3491        -foreground {#00a000} \
3492        -background {#e2effa}
3493$ui_diff tag conf d_-s \
3494        -foreground red \
3495        -background {#e2effa}
3496$ui_diff tag conf d_s+ \
3497        -foreground {#00a000} \
3498        -background ivory1
3499$ui_diff tag conf d_s- \
3500        -foreground red \
3501        -background ivory1
3502
3503$ui_diff tag conf d< \
3504        -foreground orange \
3505        -font font_diffbold
3506$ui_diff tag conf d= \
3507        -foreground orange \
3508        -font font_diffbold
3509$ui_diff tag conf d> \
3510        -foreground orange \
3511        -font font_diffbold
3512
3513$ui_diff tag raise sel
3514
3515# -- Diff Body Context Menu
3516#
3517
3518proc create_common_diff_popup {ctxm} {
3519        $ctxm add command \
3520                -label [mc Refresh] \
3521                -command reshow_diff
3522        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3523        $ctxm add command \
3524                -label [mc Copy] \
3525                -command {tk_textCopy $ui_diff}
3526        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3527        $ctxm add command \
3528                -label [mc "Select All"] \
3529                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3530        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3531        $ctxm add command \
3532                -label [mc "Copy All"] \
3533                -command {
3534                        $ui_diff tag add sel 0.0 end
3535                        tk_textCopy $ui_diff
3536                        $ui_diff tag remove sel 0.0 end
3537                }
3538        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3539        $ctxm add separator
3540        $ctxm add command \
3541                -label [mc "Decrease Font Size"] \
3542                -command {incr_font_size font_diff -1}
3543        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3544        $ctxm add command \
3545                -label [mc "Increase Font Size"] \
3546                -command {incr_font_size font_diff 1}
3547        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3548        $ctxm add separator
3549        set emenu $ctxm.enc
3550        menu $emenu
3551        build_encoding_menu $emenu [list force_diff_encoding]
3552        $ctxm add cascade \
3553                -label [mc "Encoding"] \
3554                -menu $emenu
3555        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3556        $ctxm add separator
3557        $ctxm add command -label [mc "Options..."] \
3558                -command do_options
3559}
3560
3561set ctxm .vpane.lower.diff.body.ctxm
3562menu $ctxm -tearoff 0
3563$ctxm add command \
3564        -label [mc "Apply/Reverse Hunk"] \
3565        -command {apply_hunk $cursorX $cursorY}
3566set ui_diff_applyhunk [$ctxm index last]
3567lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3568$ctxm add command \
3569        -label [mc "Apply/Reverse Line"] \
3570        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3571set ui_diff_applyline [$ctxm index last]
3572lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3573$ctxm add separator
3574$ctxm add command \
3575        -label [mc "Show Less Context"] \
3576        -command show_less_context
3577lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3578$ctxm add command \
3579        -label [mc "Show More Context"] \
3580        -command show_more_context
3581lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3582$ctxm add separator
3583create_common_diff_popup $ctxm
3584
3585set ctxmmg .vpane.lower.diff.body.ctxmmg
3586menu $ctxmmg -tearoff 0
3587$ctxmmg add command \
3588        -label [mc "Run Merge Tool"] \
3589        -command {merge_resolve_tool}
3590lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3591$ctxmmg add separator
3592$ctxmmg add command \
3593        -label [mc "Use Remote Version"] \
3594        -command {merge_resolve_one 3}
3595lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3596$ctxmmg add command \
3597        -label [mc "Use Local Version"] \
3598        -command {merge_resolve_one 2}
3599lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3600$ctxmmg add command \
3601        -label [mc "Revert To Base"] \
3602        -command {merge_resolve_one 1}
3603lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3604$ctxmmg add separator
3605$ctxmmg add command \
3606        -label [mc "Show Less Context"] \
3607        -command show_less_context
3608lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3609$ctxmmg add command \
3610        -label [mc "Show More Context"] \
3611        -command show_more_context
3612lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3613$ctxmmg add separator
3614create_common_diff_popup $ctxmmg
3615
3616set ctxmsm .vpane.lower.diff.body.ctxmsm
3617menu $ctxmsm -tearoff 0
3618$ctxmsm add command \
3619        -label [mc "Visualize These Changes In The Submodule"] \
3620        -command {do_gitk -- true}
3621lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3622$ctxmsm add command \
3623        -label [mc "Visualize Current Branch History In The Submodule"] \
3624        -command {do_gitk {} true}
3625lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3626$ctxmsm add command \
3627        -label [mc "Visualize All Branch History In The Submodule"] \
3628        -command {do_gitk --all true}
3629lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3630$ctxmsm add separator
3631$ctxmsm add command \
3632        -label [mc "Start git gui In The Submodule"] \
3633        -command {do_git_gui}
3634lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3635$ctxmsm add separator
3636create_common_diff_popup $ctxmsm
3637
3638proc has_textconv {path} {
3639        if {[is_config_false gui.textconv]} {
3640                return 0
3641        }
3642        set filter [gitattr $path diff set]
3643        set textconv [get_config [join [list diff $filter textconv] .]]
3644        if {$filter ne {set} && $textconv ne {}} {
3645                return 1
3646        } else {
3647                return 0
3648        }
3649}
3650
3651proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3652        global current_diff_path file_states
3653        set ::cursorX $x
3654        set ::cursorY $y
3655        if {[info exists file_states($current_diff_path)]} {
3656                set state [lindex $file_states($current_diff_path) 0]
3657        } else {
3658                set state {__}
3659        }
3660        if {[string first {U} $state] >= 0} {
3661                tk_popup $ctxmmg $X $Y
3662        } elseif {$::is_submodule_diff} {
3663                tk_popup $ctxmsm $X $Y
3664        } else {
3665                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3666                if {$::ui_index eq $::current_diff_side} {
3667                        set l [mc "Unstage Hunk From Commit"]
3668                        if {$has_range} {
3669                                set t [mc "Unstage Lines From Commit"]
3670                        } else {
3671                                set t [mc "Unstage Line From Commit"]
3672                        }
3673                } else {
3674                        set l [mc "Stage Hunk For Commit"]
3675                        if {$has_range} {
3676                                set t [mc "Stage Lines For Commit"]
3677                        } else {
3678                                set t [mc "Stage Line For Commit"]
3679                        }
3680                }
3681                if {$::is_3way_diff
3682                        || $current_diff_path eq {}
3683                        || {__} eq $state
3684                        || {_O} eq $state
3685                        || [string match {?T} $state]
3686                        || [string match {T?} $state]
3687                        || [has_textconv $current_diff_path]} {
3688                        set s disabled
3689                } else {
3690                        set s normal
3691                }
3692                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3693                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3694                tk_popup $ctxm $X $Y
3695        }
3696}
3697bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3698
3699# -- Status Bar
3700#
3701set main_status [::status_bar::new .status]
3702pack .status -anchor w -side bottom -fill x
3703$main_status show [mc "Initializing..."]
3704
3705# -- Load geometry
3706#
3707proc on_ttk_pane_mapped {w pane pos} {
3708        bind $w <Map> {}
3709        after 0 [list after idle [list $w sashpos $pane $pos]]
3710}
3711proc on_tk_pane_mapped {w pane x y} {
3712        bind $w <Map> {}
3713        after 0 [list after idle [list $w sash place $pane $x $y]]
3714}
3715proc on_application_mapped {} {
3716        global repo_config use_ttk
3717        bind . <Map> {}
3718        set gm $repo_config(gui.geometry)
3719        if {$use_ttk} {
3720                bind .vpane <Map> \
3721                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3722                bind .vpane.files <Map> \
3723                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3724        } else {
3725                bind .vpane <Map> \
3726                    [list on_tk_pane_mapped %W 0 \
3727                         [lindex $gm 1] \
3728                         [lindex [.vpane sash coord 0] 1]]
3729                bind .vpane.files <Map> \
3730                    [list on_tk_pane_mapped %W 0 \
3731                         [lindex [.vpane.files sash coord 0] 0] \
3732                         [lindex $gm 2]]
3733        }
3734        wm geometry . [lindex $gm 0]
3735}
3736if {[info exists repo_config(gui.geometry)]} {
3737        bind . <Map> [list on_application_mapped]
3738        wm geometry . [lindex $repo_config(gui.geometry) 0]
3739}
3740
3741# -- Load window state
3742#
3743if {[info exists repo_config(gui.wmstate)]} {
3744        catch {wm state . $repo_config(gui.wmstate)}
3745}
3746
3747# -- Key Bindings
3748#
3749bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3750bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3751bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3752bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3753bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3754bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3755bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3756bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3757bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3758bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3759bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3760bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3761bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3762bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3763bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3764bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3765bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3766bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3767bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3768bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3769bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3770bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3771
3772bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3773bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3774bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3775bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3776bind $ui_diff <$M1B-Key-v> {break}
3777bind $ui_diff <$M1B-Key-V> {break}
3778bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3779bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3780bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3781bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3782bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3783bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3784bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3785bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3786bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3787bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3788bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3789bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3790bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3791bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3792bind $ui_diff <Button-1>   {focus %W}
3793
3794if {[is_enabled branch]} {
3795        bind . <$M1B-Key-n> branch_create::dialog
3796        bind . <$M1B-Key-N> branch_create::dialog
3797        bind . <$M1B-Key-o> branch_checkout::dialog
3798        bind . <$M1B-Key-O> branch_checkout::dialog
3799        bind . <$M1B-Key-m> merge::dialog
3800        bind . <$M1B-Key-M> merge::dialog
3801}
3802if {[is_enabled transport]} {
3803        bind . <$M1B-Key-p> do_push_anywhere
3804        bind . <$M1B-Key-P> do_push_anywhere
3805}
3806
3807bind .   <Key-F5>     ui_do_rescan
3808bind .   <$M1B-Key-r> ui_do_rescan
3809bind .   <$M1B-Key-R> ui_do_rescan
3810bind .   <$M1B-Key-s> do_signoff
3811bind .   <$M1B-Key-S> do_signoff
3812bind .   <$M1B-Key-t> do_add_selection
3813bind .   <$M1B-Key-T> do_add_selection
3814bind .   <$M1B-Key-u> do_unstage_selection
3815bind .   <$M1B-Key-U> do_unstage_selection
3816bind .   <$M1B-Key-j> do_revert_selection
3817bind .   <$M1B-Key-J> do_revert_selection
3818bind .   <$M1B-Key-i> do_add_all
3819bind .   <$M1B-Key-I> do_add_all
3820bind .   <$M1B-Key-minus> {show_less_context;break}
3821bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3822bind .   <$M1B-Key-equal> {show_more_context;break}
3823bind .   <$M1B-Key-plus> {show_more_context;break}
3824bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3825bind .   <$M1B-Key-Return> do_commit
3826foreach i [list $ui_index $ui_workdir] {
3827        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3828        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3829        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3830}
3831unset i
3832
3833set file_lists($ui_index) [list]
3834set file_lists($ui_workdir) [list]
3835
3836wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3837focus -force $ui_comm
3838
3839# -- Warn the user about environmental problems.  Cygwin's Tcl
3840#    does *not* pass its env array onto any processes it spawns.
3841#    This means that git processes get none of our environment.
3842#
3843if {[is_Cygwin]} {
3844        set ignored_env 0
3845        set suggest_user {}
3846        set msg [mc "Possible environment issues exist.
3847
3848The following environment variables are probably
3849going to be ignored by any Git subprocess run
3850by %s:
3851
3852" [appname]]
3853        foreach name [array names env] {
3854                switch -regexp -- $name {
3855                {^GIT_INDEX_FILE$} -
3856                {^GIT_OBJECT_DIRECTORY$} -
3857                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3858                {^GIT_DIFF_OPTS$} -
3859                {^GIT_EXTERNAL_DIFF$} -
3860                {^GIT_PAGER$} -
3861                {^GIT_TRACE$} -
3862                {^GIT_CONFIG$} -
3863                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3864                        append msg " - $name\n"
3865                        incr ignored_env
3866                }
3867                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3868                        append msg " - $name\n"
3869                        incr ignored_env
3870                        set suggest_user $name
3871                }
3872                }
3873        }
3874        if {$ignored_env > 0} {
3875                append msg [mc "
3876This is due to a known issue with the
3877Tcl binary distributed by Cygwin."]
3878
3879                if {$suggest_user ne {}} {
3880                        append msg [mc "
3881
3882A good replacement for %s
3883is placing values for the user.name and
3884user.email settings into your personal
3885~/.gitconfig file.
3886" $suggest_user]
3887                }
3888                warn_popup $msg
3889        }
3890        unset ignored_env msg suggest_user name
3891}
3892
3893# -- Only initialize complex UI if we are going to stay running.
3894#
3895if {[is_enabled transport]} {
3896        load_all_remotes
3897
3898        set n [.mbar.remote index end]
3899        populate_remotes_menu
3900        set n [expr {[.mbar.remote index end] - $n}]
3901        if {$n > 0} {
3902                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3903                .mbar.remote insert $n separator
3904        }
3905        unset n
3906}
3907
3908if {[winfo exists $ui_comm]} {
3909        set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3910
3911        # -- If both our backup and message files exist use the
3912        #    newer of the two files to initialize the buffer.
3913        #
3914        if {$GITGUI_BCK_exists} {
3915                set m [gitdir GITGUI_MSG]
3916                if {[file isfile $m]} {
3917                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3918                                catch {file delete [gitdir GITGUI_MSG]}
3919                        } else {
3920                                $ui_comm delete 0.0 end
3921                                $ui_comm edit reset
3922                                $ui_comm edit modified false
3923                                catch {file delete [gitdir GITGUI_BCK]}
3924                                set GITGUI_BCK_exists 0
3925                        }
3926                }
3927                unset m
3928        }
3929
3930        proc backup_commit_buffer {} {
3931                global ui_comm GITGUI_BCK_exists
3932
3933                set m [$ui_comm edit modified]
3934                if {$m || $GITGUI_BCK_exists} {
3935                        set msg [string trim [$ui_comm get 0.0 end]]
3936                        regsub -all -line {[ \r\t]+$} $msg {} msg
3937
3938                        if {$msg eq {}} {
3939                                if {$GITGUI_BCK_exists} {
3940                                        catch {file delete [gitdir GITGUI_BCK]}
3941                                        set GITGUI_BCK_exists 0
3942                                }
3943                        } elseif {$m} {
3944                                catch {
3945                                        set fd [open [gitdir GITGUI_BCK] w]
3946                                        fconfigure $fd -encoding utf-8
3947                                        puts -nonewline $fd $msg
3948                                        close $fd
3949                                        set GITGUI_BCK_exists 1
3950                                }
3951                        }
3952
3953                        $ui_comm edit modified false
3954                }
3955
3956                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3957        }
3958
3959        backup_commit_buffer
3960
3961        # -- If the user has aspell available we can drive it
3962        #    in pipe mode to spellcheck the commit message.
3963        #
3964        set spell_cmd [list |]
3965        set spell_dict [get_config gui.spellingdictionary]
3966        lappend spell_cmd aspell
3967        if {$spell_dict ne {}} {
3968                lappend spell_cmd --master=$spell_dict
3969        }
3970        lappend spell_cmd --mode=none
3971        lappend spell_cmd --encoding=utf-8
3972        lappend spell_cmd pipe
3973        if {$spell_dict eq {none}
3974         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3975                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3976        } else {
3977                set ui_comm_spell [spellcheck::init \
3978                        $spell_fd \
3979                        $ui_comm \
3980                        $ui_comm_ctxm \
3981                ]
3982        }
3983        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3984}
3985
3986lock_index begin-read
3987if {![winfo ismapped .]} {
3988        wm deiconify .
3989}
3990after 1 {
3991        if {[is_enabled initialamend]} {
3992                force_amend
3993        } else {
3994                do_rescan
3995        }
3996
3997        if {[is_enabled nocommitmsg]} {
3998                $ui_comm configure -state disabled -background gray
3999        }
4000}
4001if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
4002        after 1000 hint_gc
4003}
4004if {[is_enabled retcode]} {
4005        bind . <Destroy> {+terminate_me %W}
4006}
4007if {$picked && [is_config_true gui.autoexplore]} {
4008        do_explore
4009}
4010
4011# Local variables:
4012# mode: tcl
4013# indent-tabs-mode: t
4014# tab-width: 4
4015# End: