Andrew's git / gitweb.git / git-gui/lib/choose_repository.tcl
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git-gui / lib / choose_repository.tclon commit bash completion: add diff options (b3a4f85)
   1# git-gui Git repository chooser
   2# Copyright (C) 2007 Shawn Pearce
   3
   4class choose_repository {
   5
   6field top
   7field w
   8field w_body      ; # Widget holding the center content
   9field w_next      ; # Next button
  10field w_quit      ; # Quit button
  11field o_cons      ; # Console object (if active)
  12field w_types     ; # List of type buttons in clone
  13field w_recentlist ; # Listbox containing recent repositories
  14
  15field done              0 ; # Finished picking the repository?
  16field local_path       {} ; # Where this repository is locally
  17field origin_url       {} ; # Where we are cloning from
  18field origin_name  origin ; # What we shall call 'origin'
  19field clone_type hardlink ; # Type of clone to construct
  20field readtree_err        ; # Error output from read-tree (if any)
  21field sorted_recent       ; # recent repositories (sorted)
  22
  23constructor pick {} {
  24        global M1T M1B
  25
  26        make_toplevel top w
  27        wm title $top [mc "Git Gui"]
  28
  29        if {$top eq {.}} {
  30                menu $w.mbar -tearoff 0
  31                $top configure -menu $w.mbar
  32
  33                set m_repo $w.mbar.repository
  34                $w.mbar add cascade \
  35                        -label [mc Repository] \
  36                        -menu $m_repo
  37                menu $m_repo
  38
  39                if {[is_MacOSX]} {
  40                        $w.mbar add cascade -label [mc Apple] -menu .mbar.apple
  41                        menu $w.mbar.apple
  42                        $w.mbar.apple add command \
  43                                -label [mc "About %s" [appname]] \
  44                                -command do_about
  45                } else {
  46                        $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
  47                        menu $w.mbar.help
  48                        $w.mbar.help add command \
  49                                -label [mc "About %s" [appname]] \
  50                                -command do_about
  51                }
  52
  53                wm protocol $top WM_DELETE_WINDOW exit
  54                bind $top <$M1B-q> exit
  55                bind $top <$M1B-Q> exit
  56                bind $top <Key-Escape> exit
  57        } else {
  58                wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  59                bind $top <Key-Escape> [list destroy $top]
  60                set m_repo {}
  61        }
  62
  63        pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
  64
  65        set w_body $w.body
  66        set opts $w_body.options
  67        frame $w_body
  68        text $opts \
  69                -cursor $::cursor_ptr \
  70                -relief flat \
  71                -background [$w_body cget -background] \
  72                -wrap none \
  73                -spacing1 5 \
  74                -width 50 \
  75                -height 3
  76        pack $opts -anchor w -fill x
  77
  78        $opts tag conf link_new -foreground blue -underline 1
  79        $opts tag bind link_new <1> [cb _next new]
  80        $opts insert end [mc "Create New Repository"] link_new
  81        $opts insert end "\n"
  82        if {$m_repo ne {}} {
  83                $m_repo add command \
  84                        -command [cb _next new] \
  85                        -accelerator $M1T-N \
  86                        -label [mc "New..."]
  87                bind $top <$M1B-n> [cb _next new]
  88                bind $top <$M1B-N> [cb _next new]
  89        }
  90
  91        $opts tag conf link_clone -foreground blue -underline 1
  92        $opts tag bind link_clone <1> [cb _next clone]
  93        $opts insert end [mc "Clone Existing Repository"] link_clone
  94        $opts insert end "\n"
  95        if {$m_repo ne {}} {
  96                $m_repo add command \
  97                        -command [cb _next clone] \
  98                        -accelerator $M1T-C \
  99                        -label [mc "Clone..."]
 100                bind $top <$M1B-c> [cb _next clone]
 101                bind $top <$M1B-C> [cb _next clone]
 102        }
 103
 104        $opts tag conf link_open -foreground blue -underline 1
 105        $opts tag bind link_open <1> [cb _next open]
 106        $opts insert end [mc "Open Existing Repository"] link_open
 107        $opts insert end "\n"
 108        if {$m_repo ne {}} {
 109                $m_repo add command \
 110                        -command [cb _next open] \
 111                        -accelerator $M1T-O \
 112                        -label [mc "Open..."]
 113                bind $top <$M1B-o> [cb _next open]
 114                bind $top <$M1B-O> [cb _next open]
 115        }
 116
 117        $opts conf -state disabled
 118
 119        set sorted_recent [_get_recentrepos]
 120        if {[llength $sorted_recent] > 0} {
 121                if {$m_repo ne {}} {
 122                        $m_repo add separator
 123                        $m_repo add command \
 124                                -state disabled \
 125                                -label [mc "Recent Repositories"]
 126                }
 127
 128                label $w_body.space
 129                label $w_body.recentlabel \
 130                        -anchor w \
 131                        -text [mc "Open Recent Repository:"]
 132                set w_recentlist $w_body.recentlist
 133                text $w_recentlist \
 134                        -cursor $::cursor_ptr \
 135                        -relief flat \
 136                        -background [$w_body.recentlabel cget -background] \
 137                        -wrap none \
 138                        -width 50 \
 139                        -height 10
 140                $w_recentlist tag conf link \
 141                        -foreground blue \
 142                        -underline 1
 143                set home $::env(HOME)
 144                if {[is_Cygwin]} {
 145                        set home [exec cygpath --windows --absolute $home]
 146                }
 147                set home "[file normalize $home]/"
 148                set hlen [string length $home]
 149                foreach p $sorted_recent {
 150                        set path $p
 151                        if {[string equal -length $hlen $home $p]} {
 152                                set p "~/[string range $p $hlen end]"
 153                        }
 154                        regsub -all "\n" $p "\\n" p
 155                        $w_recentlist insert end $p link
 156                        $w_recentlist insert end "\n"
 157
 158                        if {$m_repo ne {}} {
 159                                $m_repo add command \
 160                                        -command [cb _open_recent_path $path] \
 161                                        -label "    $p"
 162                        }
 163                }
 164                $w_recentlist conf -state disabled
 165                $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
 166                pack $w_body.space -anchor w -fill x
 167                pack $w_body.recentlabel -anchor w -fill x
 168                pack $w_recentlist -anchor w -fill x
 169        }
 170        pack $w_body -fill x -padx 10 -pady 10
 171
 172        frame $w.buttons
 173        set w_next $w.buttons.next
 174        set w_quit $w.buttons.quit
 175        button $w_quit \
 176                -text [mc "Quit"] \
 177                -command exit
 178        pack $w_quit -side right -padx 5
 179        pack $w.buttons -side bottom -fill x -padx 10 -pady 10
 180
 181        if {$m_repo ne {}} {
 182                $m_repo add separator
 183                $m_repo add command \
 184                        -label [mc Quit] \
 185                        -command exit \
 186                        -accelerator $M1T-Q
 187        }
 188
 189        bind $top <Return> [cb _invoke_next]
 190        bind $top <Visibility> "
 191                [cb _center]
 192                grab $top
 193                focus $top
 194                bind $top <Visibility> {}
 195        "
 196        wm deiconify $top
 197        tkwait variable @done
 198
 199        if {$top eq {.}} {
 200                eval destroy [winfo children $top]
 201        }
 202}
 203
 204proc _home {} {
 205        if {[catch {set h $::env(HOME)}]
 206                || ![file isdirectory $h]} {
 207                set h .
 208        }
 209        return $h
 210}
 211
 212method _center {} {
 213        set nx [winfo reqwidth $top]
 214        set ny [winfo reqheight $top]
 215        set rx [expr {([winfo screenwidth  $top] - $nx) / 3}]
 216        set ry [expr {([winfo screenheight $top] - $ny) / 3}]
 217        wm geometry $top [format {+%d+%d} $rx $ry]
 218}
 219
 220method _invoke_next {} {
 221        if {[winfo exists $w_next]} {
 222                uplevel #0 [$w_next cget -command]
 223        }
 224}
 225
 226proc _get_recentrepos {} {
 227        set recent [list]
 228        foreach p [get_config gui.recentrepo] {
 229                if {[_is_git [file join $p .git]]} {
 230                        lappend recent $p
 231                }
 232        }
 233        return [lsort $recent]
 234}
 235
 236proc _unset_recentrepo {p} {
 237        regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
 238        git config --global --unset gui.recentrepo "^$p\$"
 239}
 240
 241proc _append_recentrepos {path} {
 242        set path [file normalize $path]
 243        set recent [get_config gui.recentrepo]
 244
 245        if {[lindex $recent end] eq $path} {
 246                return
 247        }
 248
 249        set i [lsearch $recent $path]
 250        if {$i >= 0} {
 251                _unset_recentrepo $path
 252                set recent [lreplace $recent $i $i]
 253        }
 254
 255        lappend recent $path
 256        git config --global --add gui.recentrepo $path
 257
 258        while {[llength $recent] > 10} {
 259                _unset_recentrepo [lindex $recent 0]
 260                set recent [lrange $recent 1 end]
 261        }
 262}
 263
 264method _open_recent {xy} {
 265        set id [lindex [split [$w_recentlist index @$xy] .] 0]
 266        set local_path [lindex $sorted_recent [expr {$id - 1}]]
 267        _do_open2 $this
 268}
 269
 270method _open_recent_path {p} {
 271        set local_path $p
 272        _do_open2 $this
 273}
 274
 275method _next {action} {
 276        destroy $w_body
 277        if {![winfo exists $w_next]} {
 278                button $w_next -default active
 279                pack $w_next -side right -padx 5 -before $w_quit
 280        }
 281        _do_$action $this
 282}
 283
 284method _write_local_path {args} {
 285        if {$local_path eq {}} {
 286                $w_next conf -state disabled
 287        } else {
 288                $w_next conf -state normal
 289        }
 290}
 291
 292method _git_init {} {
 293        if {[file exists $local_path]} {
 294                error_popup [mc "Location %s already exists." $local_path]
 295                return 0
 296        }
 297
 298        if {[catch {file mkdir $local_path} err]} {
 299                error_popup [strcat \
 300                        [mc "Failed to create repository %s:" $local_path] \
 301                        "\n\n$err"]
 302                return 0
 303        }
 304
 305        if {[catch {cd $local_path} err]} {
 306                error_popup [strcat \
 307                        [mc "Failed to create repository %s:" $local_path] \
 308                        "\n\n$err"]
 309                return 0
 310        }
 311
 312        if {[catch {git init} err]} {
 313                error_popup [strcat \
 314                        [mc "Failed to create repository %s:" $local_path] \
 315                        "\n\n$err"]
 316                return 0
 317        }
 318
 319        _append_recentrepos [pwd]
 320        set ::_gitdir .git
 321        set ::_prefix {}
 322        return 1
 323}
 324
 325proc _is_git {path} {
 326        if {[file exists [file join $path HEAD]]
 327         && [file exists [file join $path objects]]
 328         && [file exists [file join $path config]]} {
 329                return 1
 330        }
 331        if {[is_Cygwin]} {
 332                if {[file exists [file join $path HEAD]]
 333                 && [file exists [file join $path objects.lnk]]
 334                 && [file exists [file join $path config.lnk]]} {
 335                        return 1
 336                }
 337        }
 338        return 0
 339}
 340
 341proc _objdir {path} {
 342        set objdir [file join $path .git objects]
 343        if {[file isdirectory $objdir]} {
 344                return $objdir
 345        }
 346
 347        set objdir [file join $path objects]
 348        if {[file isdirectory $objdir]} {
 349                return $objdir
 350        }
 351
 352        if {[is_Cygwin]} {
 353                set objdir [file join $path .git objects.lnk]
 354                if {[file isfile $objdir]} {
 355                        return [win32_read_lnk $objdir]
 356                }
 357
 358                set objdir [file join $path objects.lnk]
 359                if {[file isfile $objdir]} {
 360                        return [win32_read_lnk $objdir]
 361                }
 362        }
 363
 364        return {}
 365}
 366
 367######################################################################
 368##
 369## Create New Repository
 370
 371method _do_new {} {
 372        $w_next conf \
 373                -state disabled \
 374                -command [cb _do_new2] \
 375                -text [mc "Create"]
 376
 377        frame $w_body
 378        label $w_body.h \
 379                -font font_uibold \
 380                -text [mc "Create New Repository"]
 381        pack $w_body.h -side top -fill x -pady 10
 382        pack $w_body -fill x -padx 10
 383
 384        frame $w_body.where
 385        label $w_body.where.l -text [mc "Directory:"]
 386        entry $w_body.where.t \
 387                -textvariable @local_path \
 388                -font font_diff \
 389                -width 50
 390        button $w_body.where.b \
 391                -text [mc "Browse"] \
 392                -command [cb _new_local_path]
 393
 394        pack $w_body.where.b -side right
 395        pack $w_body.where.l -side left
 396        pack $w_body.where.t -fill x
 397        pack $w_body.where -fill x
 398
 399        trace add variable @local_path write [cb _write_local_path]
 400        bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
 401        update
 402        focus $w_body.where.t
 403}
 404
 405method _new_local_path {} {
 406        if {$local_path ne {}} {
 407                set p [file dirname $local_path]
 408        } else {
 409                set p [_home]
 410        }
 411
 412        set p [tk_chooseDirectory \
 413                -initialdir $p \
 414                -parent $top \
 415                -title [mc "Git Repository"] \
 416                -mustexist false]
 417        if {$p eq {}} return
 418
 419        set p [file normalize $p]
 420        if {[file isdirectory $p]} {
 421                foreach i [glob \
 422                        -directory $p \
 423                        -tails \
 424                        -nocomplain \
 425                        * .*] {
 426                        switch -- $i {
 427                         . continue
 428                        .. continue
 429                        default {
 430                                error_popup [mc "Directory %s already exists." $p]
 431                                return
 432                        }
 433                        }
 434                }
 435                if {[catch {file delete $p} err]} {
 436                        error_popup [strcat \
 437                                [mc "Directory %s already exists." $p] \
 438                                "\n\n$err"]
 439                        return
 440                }
 441        } elseif {[file exists $p]} {
 442                error_popup [mc "File %s already exists." $p]
 443                return
 444        }
 445        set local_path $p
 446}
 447
 448method _do_new2 {} {
 449        if {![_git_init $this]} {
 450                return
 451        }
 452        set done 1
 453}
 454
 455######################################################################
 456##
 457## Clone Existing Repository
 458
 459method _do_clone {} {
 460        $w_next conf \
 461                -state disabled \
 462                -command [cb _do_clone2] \
 463                -text [mc "Clone"]
 464
 465        frame $w_body
 466        label $w_body.h \
 467                -font font_uibold \
 468                -text [mc "Clone Existing Repository"]
 469        pack $w_body.h -side top -fill x -pady 10
 470        pack $w_body -fill x -padx 10
 471
 472        set args $w_body.args
 473        frame $w_body.args
 474        pack $args -fill both
 475
 476        label $args.origin_l -text [mc "URL:"]
 477        entry $args.origin_t \
 478                -textvariable @origin_url \
 479                -font font_diff \
 480                -width 50
 481        button $args.origin_b \
 482                -text [mc "Browse"] \
 483                -command [cb _open_origin]
 484        grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
 485
 486        label $args.where_l -text [mc "Directory:"]
 487        entry $args.where_t \
 488                -textvariable @local_path \
 489                -font font_diff \
 490                -width 50
 491        button $args.where_b \
 492                -text [mc "Browse"] \
 493                -command [cb _new_local_path]
 494        grid $args.where_l $args.where_t $args.where_b -sticky ew
 495
 496        label $args.type_l -text [mc "Clone Type:"]
 497        frame $args.type_f
 498        set w_types [list]
 499        lappend w_types [radiobutton $args.type_f.hardlink \
 500                -state disabled \
 501                -anchor w \
 502                -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
 503                -variable @clone_type \
 504                -value hardlink]
 505        lappend w_types [radiobutton $args.type_f.full \
 506                -state disabled \
 507                -anchor w \
 508                -text [mc "Full Copy (Slower, Redundant Backup)"] \
 509                -variable @clone_type \
 510                -value full]
 511        lappend w_types [radiobutton $args.type_f.shared \
 512                -state disabled \
 513                -anchor w \
 514                -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
 515                -variable @clone_type \
 516                -value shared]
 517        foreach r $w_types {
 518                pack $r -anchor w
 519        }
 520        grid $args.type_l $args.type_f -sticky new
 521
 522        grid columnconfigure $args 1 -weight 1
 523
 524        trace add variable @local_path write [cb _update_clone]
 525        trace add variable @origin_url write [cb _update_clone]
 526        bind $w_body.h <Destroy> "
 527                [list trace remove variable @local_path write [cb _update_clone]]
 528                [list trace remove variable @origin_url write [cb _update_clone]]
 529        "
 530        update
 531        focus $args.origin_t
 532}
 533
 534method _open_origin {} {
 535        if {$origin_url ne {} && [file isdirectory $origin_url]} {
 536                set p $origin_url
 537        } else {
 538                set p [_home]
 539        }
 540
 541        set p [tk_chooseDirectory \
 542                -initialdir $p \
 543                -parent $top \
 544                -title [mc "Git Repository"] \
 545                -mustexist true]
 546        if {$p eq {}} return
 547
 548        set p [file normalize $p]
 549        if {![_is_git [file join $p .git]] && ![_is_git $p]} {
 550                error_popup [mc "Not a Git repository: %s" [file tail $p]]
 551                return
 552        }
 553        set origin_url $p
 554}
 555
 556method _update_clone {args} {
 557        if {$local_path ne {} && $origin_url ne {}} {
 558                $w_next conf -state normal
 559        } else {
 560                $w_next conf -state disabled
 561        }
 562
 563        if {$origin_url ne {} &&
 564                (  [_is_git [file join $origin_url .git]]
 565                || [_is_git $origin_url])} {
 566                set e normal
 567                if {[[lindex $w_types 0] cget -state] eq {disabled}} {
 568                        set clone_type hardlink
 569                }
 570        } else {
 571                set e disabled
 572                set clone_type full
 573        }
 574
 575        foreach r $w_types {
 576                $r conf -state $e
 577        }
 578}
 579
 580method _do_clone2 {} {
 581        if {[file isdirectory $origin_url]} {
 582                set origin_url [file normalize $origin_url]
 583        }
 584
 585        if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
 586                error_popup [mc "Standard only available for local repository."]
 587                return
 588        }
 589        if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
 590                error_popup [mc "Shared only available for local repository."]
 591                return
 592        }
 593
 594        if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
 595                set objdir [_objdir $origin_url]
 596                if {$objdir eq {}} {
 597                        error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
 598                        return
 599                }
 600        }
 601
 602        set giturl $origin_url
 603        if {[is_Cygwin] && [file isdirectory $giturl]} {
 604                set giturl [exec cygpath --unix --absolute $giturl]
 605                if {$clone_type eq {shared}} {
 606                        set objdir [exec cygpath --unix --absolute $objdir]
 607                }
 608        }
 609
 610        if {![_git_init $this]} return
 611        set local_path [pwd]
 612
 613        if {[catch {
 614                        git config remote.$origin_name.url $giturl
 615                        git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
 616                } err]} {
 617                error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
 618                return
 619        }
 620
 621        destroy $w_body $w_next
 622
 623        switch -exact -- $clone_type {
 624        hardlink {
 625                set o_cons [status_bar::two_line $w_body]
 626                pack $w_body -fill x -padx 10 -pady 10
 627
 628                $o_cons start \
 629                        [mc "Counting objects"] \
 630                        [mc "buckets"]
 631                update
 632
 633                if {[file exists [file join $objdir info alternates]]} {
 634                        set pwd [pwd]
 635                        if {[catch {
 636                                file mkdir [gitdir objects info]
 637                                set f_in [open [file join $objdir info alternates] r]
 638                                set f_cp [open [gitdir objects info alternates] w]
 639                                fconfigure $f_in -translation binary -encoding binary
 640                                fconfigure $f_cp -translation binary -encoding binary
 641                                cd $objdir
 642                                while {[gets $f_in line] >= 0} {
 643                                        if {[is_Cygwin]} {
 644                                                puts $f_cp [exec cygpath --unix --absolute $line]
 645                                        } else {
 646                                                puts $f_cp [file normalize $line]
 647                                        }
 648                                }
 649                                close $f_in
 650                                close $f_cp
 651                                cd $pwd
 652                        } err]} {
 653                                catch {cd $pwd}
 654                                _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
 655                                return
 656                        }
 657                }
 658
 659                set tolink  [list]
 660                set buckets [glob \
 661                        -tails \
 662                        -nocomplain \
 663                        -directory [file join $objdir] ??]
 664                set bcnt [expr {[llength $buckets] + 2}]
 665                set bcur 1
 666                $o_cons update $bcur $bcnt
 667                update
 668
 669                file mkdir [file join .git objects pack]
 670                foreach i [glob -tails -nocomplain \
 671                        -directory [file join $objdir pack] *] {
 672                        lappend tolink [file join pack $i]
 673                }
 674                $o_cons update [incr bcur] $bcnt
 675                update
 676
 677                foreach i $buckets {
 678                        file mkdir [file join .git objects $i]
 679                        foreach j [glob -tails -nocomplain \
 680                                -directory [file join $objdir $i] *] {
 681                                lappend tolink [file join $i $j]
 682                        }
 683                        $o_cons update [incr bcur] $bcnt
 684                        update
 685                }
 686                $o_cons stop
 687
 688                if {$tolink eq {}} {
 689                        info_popup [strcat \
 690                                [mc "Nothing to clone from %s." $origin_url] \
 691                                "\n" \
 692                                [mc "The 'master' branch has not been initialized."] \
 693                                ]
 694                        destroy $w_body
 695                        set done 1
 696                        return
 697                }
 698
 699                set i [lindex $tolink 0]
 700                if {[catch {
 701                                file link -hard \
 702                                        [file join .git objects $i] \
 703                                        [file join $objdir $i]
 704                        } err]} {
 705                        info_popup [mc "Hardlinks are unavailable.  Falling back to copying."]
 706                        set i [_copy_files $this $objdir $tolink]
 707                } else {
 708                        set i [_link_files $this $objdir [lrange $tolink 1 end]]
 709                }
 710                if {!$i} return
 711
 712                destroy $w_body
 713        }
 714        full {
 715                set o_cons [console::embed \
 716                        $w_body \
 717                        [mc "Cloning from %s" $origin_url]]
 718                pack $w_body -fill both -expand 1 -padx 10
 719                $o_cons exec \
 720                        [list git fetch --no-tags -k $origin_name] \
 721                        [cb _do_clone_tags]
 722        }
 723        shared {
 724                set fd [open [gitdir objects info alternates] w]
 725                fconfigure $fd -translation binary
 726                puts $fd $objdir
 727                close $fd
 728        }
 729        }
 730
 731        if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
 732                if {![_clone_refs $this]} return
 733                set pwd [pwd]
 734                if {[catch {
 735                                cd $origin_url
 736                                set HEAD [git rev-parse --verify HEAD^0]
 737                        } err]} {
 738                        _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
 739                        return 0
 740                }
 741                cd $pwd
 742                _do_clone_checkout $this $HEAD
 743        }
 744}
 745
 746method _copy_files {objdir tocopy} {
 747        $o_cons start \
 748                [mc "Copying objects"] \
 749                [mc "KiB"]
 750        set tot 0
 751        set cmp 0
 752        foreach p $tocopy {
 753                incr tot [file size [file join $objdir $p]]
 754        }
 755        foreach p $tocopy {
 756                if {[catch {
 757                                set f_in [open [file join $objdir $p] r]
 758                                set f_cp [open [file join .git objects $p] w]
 759                                fconfigure $f_in -translation binary -encoding binary
 760                                fconfigure $f_cp -translation binary -encoding binary
 761
 762                                while {![eof $f_in]} {
 763                                        incr cmp [fcopy $f_in $f_cp -size 16384]
 764                                        $o_cons update \
 765                                                [expr {$cmp / 1024}] \
 766                                                [expr {$tot / 1024}]
 767                                        update
 768                                }
 769
 770                                close $f_in
 771                                close $f_cp
 772                        } err]} {
 773                        _clone_failed $this [mc "Unable to copy object: %s" $err]
 774                        return 0
 775                }
 776        }
 777        return 1
 778}
 779
 780method _link_files {objdir tolink} {
 781        set total [llength $tolink]
 782        $o_cons start \
 783                [mc "Linking objects"] \
 784                [mc "objects"]
 785        for {set i 0} {$i < $total} {} {
 786                set p [lindex $tolink $i]
 787                if {[catch {
 788                                file link -hard \
 789                                        [file join .git objects $p] \
 790                                        [file join $objdir $p]
 791                        } err]} {
 792                        _clone_failed $this [mc "Unable to hardlink object: %s" $err]
 793                        return 0
 794                }
 795
 796                incr i
 797                if {$i % 5 == 0} {
 798                        $o_cons update $i $total
 799                        update
 800                }
 801        }
 802        return 1
 803}
 804
 805method _clone_refs {} {
 806        set pwd [pwd]
 807        if {[catch {cd $origin_url} err]} {
 808                error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
 809                return 0
 810        }
 811        set fd_in [git_read for-each-ref \
 812                --tcl \
 813                {--format=list %(refname) %(objectname) %(*objectname)}]
 814        cd $pwd
 815
 816        set fd [open [gitdir packed-refs] w]
 817        fconfigure $fd -translation binary
 818        puts $fd "# pack-refs with: peeled"
 819        while {[gets $fd_in line] >= 0} {
 820                set line [eval $line]
 821                set refn [lindex $line 0]
 822                set robj [lindex $line 1]
 823                set tobj [lindex $line 2]
 824
 825                if {[regsub ^refs/heads/ $refn \
 826                        "refs/remotes/$origin_name/" refn]} {
 827                        puts $fd "$robj $refn"
 828                } elseif {[string match refs/tags/* $refn]} {
 829                        puts $fd "$robj $refn"
 830                        if {$tobj ne {}} {
 831                                puts $fd "^$tobj"
 832                        }
 833                }
 834        }
 835        close $fd_in
 836        close $fd
 837        return 1
 838}
 839
 840method _do_clone_tags {ok} {
 841        if {$ok} {
 842                $o_cons exec \
 843                        [list git fetch --tags -k $origin_name] \
 844                        [cb _do_clone_HEAD]
 845        } else {
 846                $o_cons done $ok
 847                _clone_failed $this [mc "Cannot fetch branches and objects.  See console output for details."]
 848        }
 849}
 850
 851method _do_clone_HEAD {ok} {
 852        if {$ok} {
 853                $o_cons exec \
 854                        [list git fetch $origin_name HEAD] \
 855                        [cb _do_clone_full_end]
 856        } else {
 857                $o_cons done $ok
 858                _clone_failed $this [mc "Cannot fetch tags.  See console output for details."]
 859        }
 860}
 861
 862method _do_clone_full_end {ok} {
 863        $o_cons done $ok
 864
 865        if {$ok} {
 866                destroy $w_body
 867
 868                set HEAD {}
 869                if {[file exists [gitdir FETCH_HEAD]]} {
 870                        set fd [open [gitdir FETCH_HEAD] r]
 871                        while {[gets $fd line] >= 0} {
 872                                if {[regexp "^(.{40})\t\t" $line line HEAD]} {
 873                                        break
 874                                }
 875                        }
 876                        close $fd
 877                }
 878
 879                catch {git pack-refs}
 880                _do_clone_checkout $this $HEAD
 881        } else {
 882                _clone_failed $this [mc "Cannot determine HEAD.  See console output for details."]
 883        }
 884}
 885
 886method _clone_failed {{why {}}} {
 887        if {[catch {file delete -force $local_path} err]} {
 888                set why [strcat \
 889                        $why \
 890                        "\n\n" \
 891                        [mc "Unable to cleanup %s" $local_path] \
 892                        "\n\n" \
 893                        $err]
 894        }
 895        if {$why ne {}} {
 896                update
 897                error_popup [strcat [mc "Clone failed."] "\n" $why]
 898        }
 899}
 900
 901method _do_clone_checkout {HEAD} {
 902        if {$HEAD eq {}} {
 903                info_popup [strcat \
 904                        [mc "No default branch obtained."] \
 905                        "\n" \
 906                        [mc "The 'master' branch has not been initialized."] \
 907                        ]
 908                set done 1
 909                return
 910        }
 911        if {[catch {
 912                        git update-ref HEAD $HEAD^0
 913                } err]} {
 914                info_popup [strcat \
 915                        [mc "Cannot resolve %s as a commit." $HEAD^0] \
 916                        "\n  $err" \
 917                        "\n" \
 918                        [mc "The 'master' branch has not been initialized."] \
 919                        ]
 920                set done 1
 921                return
 922        }
 923
 924        set o_cons [status_bar::two_line $w_body]
 925        pack $w_body -fill x -padx 10 -pady 10
 926        $o_cons start \
 927                [mc "Creating working directory"] \
 928                [mc "files"]
 929
 930        set readtree_err {}
 931        set fd [git_read --stderr read-tree \
 932                -m \
 933                -u \
 934                -v \
 935                HEAD \
 936                HEAD \
 937                ]
 938        fconfigure $fd -blocking 0 -translation binary
 939        fileevent $fd readable [cb _readtree_wait $fd]
 940}
 941
 942method _readtree_wait {fd} {
 943        set buf [read $fd]
 944        $o_cons update_meter $buf
 945        append readtree_err $buf
 946
 947        fconfigure $fd -blocking 1
 948        if {![eof $fd]} {
 949                fconfigure $fd -blocking 0
 950                return
 951        }
 952
 953        if {[catch {close $fd}]} {
 954                set err $readtree_err
 955                regsub {^fatal: } $err {} err
 956                error_popup [strcat \
 957                        [mc "Initial file checkout failed."] \
 958                        "\n\n$err"]
 959                return
 960        }
 961
 962        set done 1
 963}
 964
 965######################################################################
 966##
 967## Open Existing Repository
 968
 969method _do_open {} {
 970        $w_next conf \
 971                -state disabled \
 972                -command [cb _do_open2] \
 973                -text [mc "Open"]
 974
 975        frame $w_body
 976        label $w_body.h \
 977                -font font_uibold \
 978                -text [mc "Open Existing Repository"]
 979        pack $w_body.h -side top -fill x -pady 10
 980        pack $w_body -fill x -padx 10
 981
 982        frame $w_body.where
 983        label $w_body.where.l -text [mc "Repository:"]
 984        entry $w_body.where.t \
 985                -textvariable @local_path \
 986                -font font_diff \
 987                -width 50
 988        button $w_body.where.b \
 989                -text [mc "Browse"] \
 990                -command [cb _open_local_path]
 991
 992        pack $w_body.where.b -side right
 993        pack $w_body.where.l -side left
 994        pack $w_body.where.t -fill x
 995        pack $w_body.where -fill x
 996
 997        trace add variable @local_path write [cb _write_local_path]
 998        bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
 999        update
1000        focus $w_body.where.t
1001}
1002
1003method _open_local_path {} {
1004        if {$local_path ne {}} {
1005                set p $local_path
1006        } else {
1007                set p [_home]
1008        }
1009
1010        set p [tk_chooseDirectory \
1011                -initialdir $p \
1012                -parent $top \
1013                -title [mc "Git Repository"] \
1014                -mustexist true]
1015        if {$p eq {}} return
1016
1017        set p [file normalize $p]
1018        if {![_is_git [file join $p .git]]} {
1019                error_popup [mc "Not a Git repository: %s" [file tail $p]]
1020                return
1021        }
1022        set local_path $p
1023}
1024
1025method _do_open2 {} {
1026        if {![_is_git [file join $local_path .git]]} {
1027                error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1028                return
1029        }
1030
1031        if {[catch {cd $local_path} err]} {
1032                error_popup [strcat \
1033                        [mc "Failed to open repository %s:" $local_path] \
1034                        "\n\n$err"]
1035                return
1036        }
1037
1038        _append_recentrepos [pwd]
1039        set ::_gitdir .git
1040        set ::_prefix {}
1041        set done 1
1042}
1043
1044}