Andrew's git / gitweb.git / git-gui/lib/choose_repository.tcl
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git-gui / lib / choose_repository.tclon commit Merge branch 'iu/fix-parse-options-h-comment' (1d058dc)
   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
  14field w_localpath  ; # Entry widget bound to local_path
  15
  16field done              0 ; # Finished picking the repository?
  17field local_path       {} ; # Where this repository is locally
  18field origin_url       {} ; # Where we are cloning from
  19field origin_name  origin ; # What we shall call 'origin'
  20field clone_type hardlink ; # Type of clone to construct
  21field readtree_err        ; # Error output from read-tree (if any)
  22field sorted_recent       ; # recent repositories (sorted)
  23
  24constructor pick {} {
  25        global M1T M1B use_ttk NS
  26
  27        if {[set maxrecent [get_config gui.maxrecentrepo]] eq {}} {
  28                set maxrecent 10
  29        }
  30
  31        make_dialog top w
  32        wm title $top [mc "Git Gui"]
  33
  34        if {$top eq {.}} {
  35                menu $w.mbar -tearoff 0
  36                $top configure -menu $w.mbar
  37
  38                set m_repo $w.mbar.repository
  39                $w.mbar add cascade \
  40                        -label [mc Repository] \
  41                        -menu $m_repo
  42                menu $m_repo
  43
  44                if {[is_MacOSX]} {
  45                        $w.mbar add cascade -label Apple -menu .mbar.apple
  46                        menu $w.mbar.apple
  47                        $w.mbar.apple add command \
  48                                -label [mc "About %s" [appname]] \
  49                                -command do_about
  50                        $w.mbar.apple add command \
  51                                -label [mc "Show SSH Key"] \
  52                                -command do_ssh_key
  53                } else {
  54                        $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
  55                        menu $w.mbar.help
  56                        $w.mbar.help add command \
  57                                -label [mc "About %s" [appname]] \
  58                                -command do_about
  59                        $w.mbar.help add command \
  60                                -label [mc "Show SSH Key"] \
  61                                -command do_ssh_key
  62                }
  63
  64                wm protocol $top WM_DELETE_WINDOW exit
  65                bind $top <$M1B-q> exit
  66                bind $top <$M1B-Q> exit
  67                bind $top <Key-Escape> exit
  68        } else {
  69                wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  70                bind $top <Key-Escape> [list destroy $top]
  71                set m_repo {}
  72        }
  73
  74        pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
  75
  76        set w_body $w.body
  77        set opts $w_body.options
  78        ${NS}::frame $w_body
  79        text $opts \
  80                -cursor $::cursor_ptr \
  81                -relief flat \
  82                -background [get_bg_color $w_body] \
  83                -wrap none \
  84                -spacing1 5 \
  85                -width 50 \
  86                -height 3
  87        pack $opts -anchor w -fill x
  88
  89        $opts tag conf link_new -foreground blue -underline 1
  90        $opts tag bind link_new <1> [cb _next new]
  91        $opts insert end [mc "Create New Repository"] link_new
  92        $opts insert end "\n"
  93        if {$m_repo ne {}} {
  94                $m_repo add command \
  95                        -command [cb _next new] \
  96                        -accelerator $M1T-N \
  97                        -label [mc "New..."]
  98                bind $top <$M1B-n> [cb _next new]
  99                bind $top <$M1B-N> [cb _next new]
 100        }
 101
 102        $opts tag conf link_clone -foreground blue -underline 1
 103        $opts tag bind link_clone <1> [cb _next clone]
 104        $opts insert end [mc "Clone Existing Repository"] link_clone
 105        $opts insert end "\n"
 106        if {$m_repo ne {}} {
 107                if {[tk windowingsystem] eq "win32"} {
 108                        set key L
 109                } else {
 110                        set key C
 111                }
 112                $m_repo add command \
 113                        -command [cb _next clone] \
 114                        -accelerator $M1T-$key \
 115                        -label [mc "Clone..."]
 116                bind $top <$M1B-[string tolower $key]> [cb _next clone]
 117                bind $top <$M1B-[string toupper $key]> [cb _next clone]
 118        }
 119
 120        $opts tag conf link_open -foreground blue -underline 1
 121        $opts tag bind link_open <1> [cb _next open]
 122        $opts insert end [mc "Open Existing Repository"] link_open
 123        $opts insert end "\n"
 124        if {$m_repo ne {}} {
 125                $m_repo add command \
 126                        -command [cb _next open] \
 127                        -accelerator $M1T-O \
 128                        -label [mc "Open..."]
 129                bind $top <$M1B-o> [cb _next open]
 130                bind $top <$M1B-O> [cb _next open]
 131        }
 132
 133        $opts conf -state disabled
 134
 135        set sorted_recent [_get_recentrepos]
 136        if {[llength $sorted_recent] > 0} {
 137                if {$m_repo ne {}} {
 138                        $m_repo add separator
 139                        $m_repo add command \
 140                                -state disabled \
 141                                -label [mc "Recent Repositories"]
 142                }
 143
 144                ${NS}::label $w_body.space
 145                ${NS}::label $w_body.recentlabel \
 146                        -anchor w \
 147                        -text [mc "Open Recent Repository:"]
 148                set w_recentlist $w_body.recentlist
 149                text $w_recentlist \
 150                        -cursor $::cursor_ptr \
 151                        -relief flat \
 152                        -background [get_bg_color $w_body.recentlabel] \
 153                        -wrap none \
 154                        -width 50 \
 155                        -height $maxrecent
 156                $w_recentlist tag conf link \
 157                        -foreground blue \
 158                        -underline 1
 159                set home $::env(HOME)
 160                if {[is_Cygwin]} {
 161                        set home [exec cygpath --windows --absolute $home]
 162                }
 163                set home "[file normalize $home]/"
 164                set hlen [string length $home]
 165                foreach p $sorted_recent {
 166                        set path $p
 167                        if {[string equal -length $hlen $home $p]} {
 168                                set p "~/[string range $p $hlen end]"
 169                        }
 170                        regsub -all "\n" $p "\\n" p
 171                        $w_recentlist insert end $p link
 172                        $w_recentlist insert end "\n"
 173
 174                        if {$m_repo ne {}} {
 175                                $m_repo add command \
 176                                        -command [cb _open_recent_path $path] \
 177                                        -label "    $p"
 178                        }
 179                }
 180                $w_recentlist conf -state disabled
 181                $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
 182                pack $w_body.space -anchor w -fill x
 183                pack $w_body.recentlabel -anchor w -fill x
 184                pack $w_recentlist -anchor w -fill x
 185        }
 186        pack $w_body -fill x -padx 10 -pady 10
 187
 188        ${NS}::frame $w.buttons
 189        set w_next $w.buttons.next
 190        set w_quit $w.buttons.quit
 191        ${NS}::button $w_quit \
 192                -text [mc "Quit"] \
 193                -command exit
 194        pack $w_quit -side right -padx 5
 195        pack $w.buttons -side bottom -fill x -padx 10 -pady 10
 196
 197        if {$m_repo ne {}} {
 198                $m_repo add separator
 199                $m_repo add command \
 200                        -label [mc Quit] \
 201                        -command exit \
 202                        -accelerator $M1T-Q
 203        }
 204
 205        bind $top <Return> [cb _invoke_next]
 206        bind $top <Visibility> "
 207                [cb _center]
 208                grab $top
 209                focus $top
 210                bind $top <Visibility> {}
 211        "
 212        wm deiconify $top
 213        tkwait variable @done
 214
 215        grab release $top
 216        if {$top eq {.}} {
 217                eval destroy [winfo children $top]
 218        }
 219}
 220
 221method _center {} {
 222        set nx [winfo reqwidth $top]
 223        set ny [winfo reqheight $top]
 224        set rx [expr {([winfo screenwidth  $top] - $nx) / 3}]
 225        set ry [expr {([winfo screenheight $top] - $ny) / 3}]
 226        wm geometry $top [format {+%d+%d} $rx $ry]
 227}
 228
 229method _invoke_next {} {
 230        if {[winfo exists $w_next]} {
 231                uplevel #0 [$w_next cget -command]
 232        }
 233}
 234
 235proc _get_recentrepos {} {
 236        set recent [list]
 237        foreach p [get_config gui.recentrepo] {
 238                if {[_is_git [file join $p .git]]} {
 239                        lappend recent $p
 240                } else {
 241                        _unset_recentrepo $p
 242                }
 243        }
 244        return [lsort $recent]
 245}
 246
 247proc _unset_recentrepo {p} {
 248        regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
 249        git config --global --unset gui.recentrepo "^$p\$"
 250        load_config 1
 251}
 252
 253proc _append_recentrepos {path} {
 254        set path [file normalize $path]
 255        set recent [get_config gui.recentrepo]
 256
 257        if {[lindex $recent end] eq $path} {
 258                return
 259        }
 260
 261        set i [lsearch $recent $path]
 262        if {$i >= 0} {
 263                _unset_recentrepo $path
 264                set recent [lreplace $recent $i $i]
 265        }
 266
 267        lappend recent $path
 268        git config --global --add gui.recentrepo $path
 269        load_config 1
 270
 271        if {[set maxrecent [get_config gui.maxrecentrepo]] eq {}} {
 272                set maxrecent 10
 273        }
 274
 275        while {[llength $recent] > $maxrecent} {
 276                _unset_recentrepo [lindex $recent 0]
 277                set recent [lrange $recent 1 end]
 278        }
 279}
 280
 281method _open_recent {xy} {
 282        set id [lindex [split [$w_recentlist index @$xy] .] 0]
 283        set local_path [lindex $sorted_recent [expr {$id - 1}]]
 284        _do_open2 $this
 285}
 286
 287method _open_recent_path {p} {
 288        set local_path $p
 289        _do_open2 $this
 290}
 291
 292method _next {action} {
 293        global NS
 294        destroy $w_body
 295        if {![winfo exists $w_next]} {
 296                ${NS}::button $w_next -default active
 297                set pos -before
 298                if {[tk windowingsystem] eq "win32"} { set pos -after }
 299                pack $w_next -side right -padx 5 $pos $w_quit
 300        }
 301        _do_$action $this
 302}
 303
 304method _write_local_path {args} {
 305        if {$local_path eq {}} {
 306                $w_next conf -state disabled
 307        } else {
 308                $w_next conf -state normal
 309        }
 310}
 311
 312method _git_init {} {
 313        if {[catch {file mkdir $local_path} err]} {
 314                error_popup [strcat \
 315                        [mc "Failed to create repository %s:" $local_path] \
 316                        "\n\n$err"]
 317                return 0
 318        }
 319
 320        if {[catch {cd $local_path} err]} {
 321                error_popup [strcat \
 322                        [mc "Failed to create repository %s:" $local_path] \
 323                        "\n\n$err"]
 324                return 0
 325        }
 326
 327        if {[catch {git init} err]} {
 328                error_popup [strcat \
 329                        [mc "Failed to create repository %s:" $local_path] \
 330                        "\n\n$err"]
 331                return 0
 332        }
 333
 334        _append_recentrepos [pwd]
 335        set ::_gitdir .git
 336        set ::_prefix {}
 337        return 1
 338}
 339
 340proc _is_git {path} {
 341        if {[file exists [file join $path HEAD]]
 342         && [file exists [file join $path objects]]
 343         && [file exists [file join $path config]]} {
 344                return 1
 345        }
 346        if {[is_Cygwin]} {
 347                if {[file exists [file join $path HEAD]]
 348                 && [file exists [file join $path objects.lnk]]
 349                 && [file exists [file join $path config.lnk]]} {
 350                        return 1
 351                }
 352        }
 353        return 0
 354}
 355
 356proc _objdir {path} {
 357        set objdir [file join $path .git objects]
 358        if {[file isdirectory $objdir]} {
 359                return $objdir
 360        }
 361
 362        set objdir [file join $path objects]
 363        if {[file isdirectory $objdir]} {
 364                return $objdir
 365        }
 366
 367        if {[is_Cygwin]} {
 368                set objdir [file join $path .git objects.lnk]
 369                if {[file isfile $objdir]} {
 370                        return [win32_read_lnk $objdir]
 371                }
 372
 373                set objdir [file join $path objects.lnk]
 374                if {[file isfile $objdir]} {
 375                        return [win32_read_lnk $objdir]
 376                }
 377        }
 378
 379        return {}
 380}
 381
 382######################################################################
 383##
 384## Create New Repository
 385
 386method _do_new {} {
 387        global use_ttk NS
 388        $w_next conf \
 389                -state disabled \
 390                -command [cb _do_new2] \
 391                -text [mc "Create"]
 392
 393        ${NS}::frame $w_body
 394        ${NS}::label $w_body.h \
 395                -font font_uibold -anchor center \
 396                -text [mc "Create New Repository"]
 397        pack $w_body.h -side top -fill x -pady 10
 398        pack $w_body -fill x -padx 10
 399
 400        ${NS}::frame $w_body.where
 401        ${NS}::label $w_body.where.l -text [mc "Directory:"]
 402        ${NS}::entry $w_body.where.t \
 403                -textvariable @local_path \
 404                -width 50
 405        ${NS}::button $w_body.where.b \
 406                -text [mc "Browse"] \
 407                -command [cb _new_local_path]
 408        set w_localpath $w_body.where.t
 409
 410        grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
 411        pack $w_body.where -fill x
 412
 413        grid columnconfigure $w_body.where 1 -weight 1
 414
 415        trace add variable @local_path write [cb _write_local_path]
 416        bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
 417        update
 418        focus $w_body.where.t
 419}
 420
 421method _new_local_path {} {
 422        if {$local_path ne {}} {
 423                set p [file dirname $local_path]
 424        } else {
 425                set p [pwd]
 426        }
 427
 428        set p [tk_chooseDirectory \
 429                -initialdir $p \
 430                -parent $top \
 431                -title [mc "Git Repository"] \
 432                -mustexist false]
 433        if {$p eq {}} return
 434
 435        set p [file normalize $p]
 436        if {![_new_ok $p]} {
 437                return
 438        }
 439        set local_path $p
 440        $w_localpath icursor end
 441}
 442
 443method _do_new2 {} {
 444        if {![_new_ok $local_path]} {
 445                return
 446        }
 447        if {![_git_init $this]} {
 448                return
 449        }
 450        set done 1
 451}
 452
 453proc _new_ok {p} {
 454        if {[file isdirectory $p]} {
 455                if {[_is_git [file join $p .git]]} {
 456                        error_popup [mc "Directory %s already exists." $p]
 457                        return 0
 458                }
 459        } elseif {[file exists $p]} {
 460                error_popup [mc "File %s already exists." $p]
 461                return 0
 462        }
 463        return 1
 464}
 465
 466######################################################################
 467##
 468## Clone Existing Repository
 469
 470method _do_clone {} {
 471        global use_ttk NS
 472        $w_next conf \
 473                -state disabled \
 474                -command [cb _do_clone2] \
 475                -text [mc "Clone"]
 476
 477        ${NS}::frame $w_body
 478        ${NS}::label $w_body.h \
 479                -font font_uibold -anchor center \
 480                -text [mc "Clone Existing Repository"]
 481        pack $w_body.h -side top -fill x -pady 10
 482        pack $w_body -fill x -padx 10
 483
 484        set args $w_body.args
 485        ${NS}::frame $w_body.args
 486        pack $args -fill both
 487
 488        ${NS}::label $args.origin_l -text [mc "Source Location:"]
 489        ${NS}::entry $args.origin_t \
 490                -textvariable @origin_url \
 491                -width 50
 492        ${NS}::button $args.origin_b \
 493                -text [mc "Browse"] \
 494                -command [cb _open_origin]
 495        grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
 496
 497        ${NS}::label $args.where_l -text [mc "Target Directory:"]
 498        ${NS}::entry $args.where_t \
 499                -textvariable @local_path \
 500                -width 50
 501        ${NS}::button $args.where_b \
 502                -text [mc "Browse"] \
 503                -command [cb _new_local_path]
 504        grid $args.where_l $args.where_t $args.where_b -sticky ew
 505        set w_localpath $args.where_t
 506
 507        ${NS}::label $args.type_l -text [mc "Clone Type:"]
 508        ${NS}::frame $args.type_f
 509        set w_types [list]
 510        lappend w_types [${NS}::radiobutton $args.type_f.hardlink \
 511                -state disabled \
 512                -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
 513                -variable @clone_type \
 514                -value hardlink]
 515        lappend w_types [${NS}::radiobutton $args.type_f.full \
 516                -state disabled \
 517                -text [mc "Full Copy (Slower, Redundant Backup)"] \
 518                -variable @clone_type \
 519                -value full]
 520        lappend w_types [${NS}::radiobutton $args.type_f.shared \
 521                -state disabled \
 522                -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
 523                -variable @clone_type \
 524                -value shared]
 525        foreach r $w_types {
 526                pack $r -anchor w
 527        }
 528        grid $args.type_l $args.type_f -sticky new
 529
 530        grid columnconfigure $args 1 -weight 1
 531
 532        trace add variable @local_path write [cb _update_clone]
 533        trace add variable @origin_url write [cb _update_clone]
 534        bind $w_body.h <Destroy> "
 535                [list trace remove variable @local_path write [cb _update_clone]]
 536                [list trace remove variable @origin_url write [cb _update_clone]]
 537        "
 538        update
 539        focus $args.origin_t
 540}
 541
 542method _open_origin {} {
 543        if {$origin_url ne {} && [file isdirectory $origin_url]} {
 544                set p $origin_url
 545        } else {
 546                set p [pwd]
 547        }
 548
 549        set p [tk_chooseDirectory \
 550                -initialdir $p \
 551                -parent $top \
 552                -title [mc "Git Repository"] \
 553                -mustexist true]
 554        if {$p eq {}} return
 555
 556        set p [file normalize $p]
 557        if {![_is_git [file join $p .git]] && ![_is_git $p]} {
 558                error_popup [mc "Not a Git repository: %s" [file tail $p]]
 559                return
 560        }
 561        set origin_url $p
 562}
 563
 564method _update_clone {args} {
 565        if {$local_path ne {} && $origin_url ne {}} {
 566                $w_next conf -state normal
 567        } else {
 568                $w_next conf -state disabled
 569        }
 570
 571        if {$origin_url ne {} &&
 572                (  [_is_git [file join $origin_url .git]]
 573                || [_is_git $origin_url])} {
 574                set e normal
 575                if {[[lindex $w_types 0] cget -state] eq {disabled}} {
 576                        set clone_type hardlink
 577                }
 578        } else {
 579                set e disabled
 580                set clone_type full
 581        }
 582
 583        foreach r $w_types {
 584                $r conf -state $e
 585        }
 586}
 587
 588method _do_clone2 {} {
 589        if {[file isdirectory $origin_url]} {
 590                set origin_url [file normalize $origin_url]
 591        }
 592
 593        if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
 594                error_popup [mc "Standard only available for local repository."]
 595                return
 596        }
 597        if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
 598                error_popup [mc "Shared only available for local repository."]
 599                return
 600        }
 601
 602        if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
 603                set objdir [_objdir $origin_url]
 604                if {$objdir eq {}} {
 605                        error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
 606                        return
 607                }
 608        }
 609
 610        set giturl $origin_url
 611        if {[is_Cygwin] && [file isdirectory $giturl]} {
 612                set giturl [exec cygpath --unix --absolute $giturl]
 613                if {$clone_type eq {shared}} {
 614                        set objdir [exec cygpath --unix --absolute $objdir]
 615                }
 616        }
 617
 618        if {[file exists $local_path]} {
 619                error_popup [mc "Location %s already exists." $local_path]
 620                return
 621        }
 622
 623        if {![_git_init $this]} return
 624        set local_path [pwd]
 625
 626        if {[catch {
 627                        git config remote.$origin_name.url $giturl
 628                        git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
 629                } err]} {
 630                error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
 631                return
 632        }
 633
 634        destroy $w_body $w_next
 635
 636        switch -exact -- $clone_type {
 637        hardlink {
 638                set o_cons [status_bar::two_line $w_body]
 639                pack $w_body -fill x -padx 10 -pady 10
 640
 641                $o_cons start \
 642                        [mc "Counting objects"] \
 643                        [mc "buckets"]
 644                update
 645
 646                if {[file exists [file join $objdir info alternates]]} {
 647                        set pwd [pwd]
 648                        if {[catch {
 649                                file mkdir [gitdir objects info]
 650                                set f_in [open [file join $objdir info alternates] r]
 651                                set f_cp [open [gitdir objects info alternates] w]
 652                                fconfigure $f_in -translation binary -encoding binary
 653                                fconfigure $f_cp -translation binary -encoding binary
 654                                cd $objdir
 655                                while {[gets $f_in line] >= 0} {
 656                                        if {[is_Cygwin]} {
 657                                                puts $f_cp [exec cygpath --unix --absolute $line]
 658                                        } else {
 659                                                puts $f_cp [file normalize $line]
 660                                        }
 661                                }
 662                                close $f_in
 663                                close $f_cp
 664                                cd $pwd
 665                        } err]} {
 666                                catch {cd $pwd}
 667                                _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
 668                                return
 669                        }
 670                }
 671
 672                set tolink  [list]
 673                set buckets [glob \
 674                        -tails \
 675                        -nocomplain \
 676                        -directory [file join $objdir] ??]
 677                set bcnt [expr {[llength $buckets] + 2}]
 678                set bcur 1
 679                $o_cons update $bcur $bcnt
 680                update
 681
 682                file mkdir [file join .git objects pack]
 683                foreach i [glob -tails -nocomplain \
 684                        -directory [file join $objdir pack] *] {
 685                        lappend tolink [file join pack $i]
 686                }
 687                $o_cons update [incr bcur] $bcnt
 688                update
 689
 690                foreach i $buckets {
 691                        file mkdir [file join .git objects $i]
 692                        foreach j [glob -tails -nocomplain \
 693                                -directory [file join $objdir $i] *] {
 694                                lappend tolink [file join $i $j]
 695                        }
 696                        $o_cons update [incr bcur] $bcnt
 697                        update
 698                }
 699                $o_cons stop
 700
 701                if {$tolink eq {}} {
 702                        info_popup [strcat \
 703                                [mc "Nothing to clone from %s." $origin_url] \
 704                                "\n" \
 705                                [mc "The 'master' branch has not been initialized."] \
 706                                ]
 707                        destroy $w_body
 708                        set done 1
 709                        return
 710                }
 711
 712                set i [lindex $tolink 0]
 713                if {[catch {
 714                                file link -hard \
 715                                        [file join .git objects $i] \
 716                                        [file join $objdir $i]
 717                        } err]} {
 718                        info_popup [mc "Hardlinks are unavailable.  Falling back to copying."]
 719                        set i [_copy_files $this $objdir $tolink]
 720                } else {
 721                        set i [_link_files $this $objdir [lrange $tolink 1 end]]
 722                }
 723                if {!$i} return
 724
 725                destroy $w_body
 726        }
 727        full {
 728                set o_cons [console::embed \
 729                        $w_body \
 730                        [mc "Cloning from %s" $origin_url]]
 731                pack $w_body -fill both -expand 1 -padx 10
 732                $o_cons exec \
 733                        [list git fetch --no-tags -k $origin_name] \
 734                        [cb _do_clone_tags]
 735        }
 736        shared {
 737                set fd [open [gitdir objects info alternates] w]
 738                fconfigure $fd -translation binary
 739                puts $fd $objdir
 740                close $fd
 741        }
 742        }
 743
 744        if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
 745                if {![_clone_refs $this]} return
 746                set pwd [pwd]
 747                if {[catch {
 748                                cd $origin_url
 749                                set HEAD [git rev-parse --verify HEAD^0]
 750                        } err]} {
 751                        _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
 752                        return 0
 753                }
 754                cd $pwd
 755                _do_clone_checkout $this $HEAD
 756        }
 757}
 758
 759method _copy_files {objdir tocopy} {
 760        $o_cons start \
 761                [mc "Copying objects"] \
 762                [mc "KiB"]
 763        set tot 0
 764        set cmp 0
 765        foreach p $tocopy {
 766                incr tot [file size [file join $objdir $p]]
 767        }
 768        foreach p $tocopy {
 769                if {[catch {
 770                                set f_in [open [file join $objdir $p] r]
 771                                set f_cp [open [file join .git objects $p] w]
 772                                fconfigure $f_in -translation binary -encoding binary
 773                                fconfigure $f_cp -translation binary -encoding binary
 774
 775                                while {![eof $f_in]} {
 776                                        incr cmp [fcopy $f_in $f_cp -size 16384]
 777                                        $o_cons update \
 778                                                [expr {$cmp / 1024}] \
 779                                                [expr {$tot / 1024}]
 780                                        update
 781                                }
 782
 783                                close $f_in
 784                                close $f_cp
 785                        } err]} {
 786                        _clone_failed $this [mc "Unable to copy object: %s" $err]
 787                        return 0
 788                }
 789        }
 790        return 1
 791}
 792
 793method _link_files {objdir tolink} {
 794        set total [llength $tolink]
 795        $o_cons start \
 796                [mc "Linking objects"] \
 797                [mc "objects"]
 798        for {set i 0} {$i < $total} {} {
 799                set p [lindex $tolink $i]
 800                if {[catch {
 801                                file link -hard \
 802                                        [file join .git objects $p] \
 803                                        [file join $objdir $p]
 804                        } err]} {
 805                        _clone_failed $this [mc "Unable to hardlink object: %s" $err]
 806                        return 0
 807                }
 808
 809                incr i
 810                if {$i % 5 == 0} {
 811                        $o_cons update $i $total
 812                        update
 813                }
 814        }
 815        return 1
 816}
 817
 818method _clone_refs {} {
 819        set pwd [pwd]
 820        if {[catch {cd $origin_url} err]} {
 821                error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
 822                return 0
 823        }
 824        set fd_in [git_read for-each-ref \
 825                --tcl \
 826                {--format=list %(refname) %(objectname) %(*objectname)}]
 827        cd $pwd
 828
 829        set fd [open [gitdir packed-refs] w]
 830        fconfigure $fd -translation binary
 831        puts $fd "# pack-refs with: peeled"
 832        while {[gets $fd_in line] >= 0} {
 833                set line [eval $line]
 834                set refn [lindex $line 0]
 835                set robj [lindex $line 1]
 836                set tobj [lindex $line 2]
 837
 838                if {[regsub ^refs/heads/ $refn \
 839                        "refs/remotes/$origin_name/" refn]} {
 840                        puts $fd "$robj $refn"
 841                } elseif {[string match refs/tags/* $refn]} {
 842                        puts $fd "$robj $refn"
 843                        if {$tobj ne {}} {
 844                                puts $fd "^$tobj"
 845                        }
 846                }
 847        }
 848        close $fd_in
 849        close $fd
 850        return 1
 851}
 852
 853method _do_clone_tags {ok} {
 854        if {$ok} {
 855                $o_cons exec \
 856                        [list git fetch --tags -k $origin_name] \
 857                        [cb _do_clone_HEAD]
 858        } else {
 859                $o_cons done $ok
 860                _clone_failed $this [mc "Cannot fetch branches and objects.  See console output for details."]
 861        }
 862}
 863
 864method _do_clone_HEAD {ok} {
 865        if {$ok} {
 866                $o_cons exec \
 867                        [list git fetch $origin_name HEAD] \
 868                        [cb _do_clone_full_end]
 869        } else {
 870                $o_cons done $ok
 871                _clone_failed $this [mc "Cannot fetch tags.  See console output for details."]
 872        }
 873}
 874
 875method _do_clone_full_end {ok} {
 876        $o_cons done $ok
 877
 878        if {$ok} {
 879                destroy $w_body
 880
 881                set HEAD {}
 882                if {[file exists [gitdir FETCH_HEAD]]} {
 883                        set fd [open [gitdir FETCH_HEAD] r]
 884                        while {[gets $fd line] >= 0} {
 885                                if {[regexp "^(.{40})\t\t" $line line HEAD]} {
 886                                        break
 887                                }
 888                        }
 889                        close $fd
 890                }
 891
 892                catch {git pack-refs}
 893                _do_clone_checkout $this $HEAD
 894        } else {
 895                _clone_failed $this [mc "Cannot determine HEAD.  See console output for details."]
 896        }
 897}
 898
 899method _clone_failed {{why {}}} {
 900        if {[catch {file delete -force $local_path} err]} {
 901                set why [strcat \
 902                        $why \
 903                        "\n\n" \
 904                        [mc "Unable to cleanup %s" $local_path] \
 905                        "\n\n" \
 906                        $err]
 907        }
 908        if {$why ne {}} {
 909                update
 910                error_popup [strcat [mc "Clone failed."] "\n" $why]
 911        }
 912}
 913
 914method _do_clone_checkout {HEAD} {
 915        if {$HEAD eq {}} {
 916                info_popup [strcat \
 917                        [mc "No default branch obtained."] \
 918                        "\n" \
 919                        [mc "The 'master' branch has not been initialized."] \
 920                        ]
 921                set done 1
 922                return
 923        }
 924        if {[catch {
 925                        git update-ref HEAD $HEAD^0
 926                } err]} {
 927                info_popup [strcat \
 928                        [mc "Cannot resolve %s as a commit." $HEAD^0] \
 929                        "\n  $err" \
 930                        "\n" \
 931                        [mc "The 'master' branch has not been initialized."] \
 932                        ]
 933                set done 1
 934                return
 935        }
 936
 937        set o_cons [status_bar::two_line $w_body]
 938        pack $w_body -fill x -padx 10 -pady 10
 939        $o_cons start \
 940                [mc "Creating working directory"] \
 941                [mc "files"]
 942
 943        set readtree_err {}
 944        set fd [git_read --stderr read-tree \
 945                -m \
 946                -u \
 947                -v \
 948                HEAD \
 949                HEAD \
 950                ]
 951        fconfigure $fd -blocking 0 -translation binary
 952        fileevent $fd readable [cb _readtree_wait $fd]
 953}
 954
 955method _readtree_wait {fd} {
 956        set buf [read $fd]
 957        $o_cons update_meter $buf
 958        append readtree_err $buf
 959
 960        fconfigure $fd -blocking 1
 961        if {![eof $fd]} {
 962                fconfigure $fd -blocking 0
 963                return
 964        }
 965
 966        if {[catch {close $fd}]} {
 967                set err $readtree_err
 968                regsub {^fatal: } $err {} err
 969                error_popup [strcat \
 970                        [mc "Initial file checkout failed."] \
 971                        "\n\n$err"]
 972                return
 973        }
 974
 975        # -- Run the post-checkout hook.
 976        #
 977        set fd_ph [githook_read post-checkout [string repeat 0 40] \
 978                [git rev-parse HEAD] 1]
 979        if {$fd_ph ne {}} {
 980                global pch_error
 981                set pch_error {}
 982                fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
 983                fileevent $fd_ph readable [cb _postcheckout_wait $fd_ph]
 984        } else {
 985                set done 1
 986        }
 987}
 988
 989method _postcheckout_wait {fd_ph} {
 990        global pch_error
 991
 992        append pch_error [read $fd_ph]
 993        fconfigure $fd_ph -blocking 1
 994        if {[eof $fd_ph]} {
 995                if {[catch {close $fd_ph}]} {
 996                        hook_failed_popup post-checkout $pch_error 0
 997                }
 998                unset pch_error
 999                set done 1
1000                return
1001        }
1002        fconfigure $fd_ph -blocking 0
1003}
1004
1005######################################################################
1006##
1007## Open Existing Repository
1008
1009method _do_open {} {
1010        global NS
1011        $w_next conf \
1012                -state disabled \
1013                -command [cb _do_open2] \
1014                -text [mc "Open"]
1015
1016        ${NS}::frame $w_body
1017        ${NS}::label $w_body.h \
1018                -font font_uibold -anchor center \
1019                -text [mc "Open Existing Repository"]
1020        pack $w_body.h -side top -fill x -pady 10
1021        pack $w_body -fill x -padx 10
1022
1023        ${NS}::frame $w_body.where
1024        ${NS}::label $w_body.where.l -text [mc "Repository:"]
1025        ${NS}::entry $w_body.where.t \
1026                -textvariable @local_path \
1027                -width 50
1028        ${NS}::button $w_body.where.b \
1029                -text [mc "Browse"] \
1030                -command [cb _open_local_path]
1031
1032        grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
1033        pack $w_body.where -fill x
1034
1035        grid columnconfigure $w_body.where 1 -weight 1
1036
1037        trace add variable @local_path write [cb _write_local_path]
1038        bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
1039        update
1040        focus $w_body.where.t
1041}
1042
1043method _open_local_path {} {
1044        if {$local_path ne {}} {
1045                set p $local_path
1046        } else {
1047                set p [pwd]
1048        }
1049
1050        set p [tk_chooseDirectory \
1051                -initialdir $p \
1052                -parent $top \
1053                -title [mc "Git Repository"] \
1054                -mustexist true]
1055        if {$p eq {}} return
1056
1057        set p [file normalize $p]
1058        if {![_is_git [file join $p .git]]} {
1059                error_popup [mc "Not a Git repository: %s" [file tail $p]]
1060                return
1061        }
1062        set local_path $p
1063}
1064
1065method _do_open2 {} {
1066        if {![_is_git [file join $local_path .git]]} {
1067                error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1068                return
1069        }
1070
1071        if {[catch {cd $local_path} err]} {
1072                error_popup [strcat \
1073                        [mc "Failed to open repository %s:" $local_path] \
1074                        "\n\n$err"]
1075                return
1076        }
1077
1078        _append_recentrepos [pwd]
1079        set ::_gitdir .git
1080        set ::_prefix {}
1081        set done 1
1082}
1083
1084}