git-gui/lib/choose_repository.tcl

   1 # git-gui Git repository chooser
   2 # Copyright (C) 2007 Shawn Pearce
   3
   4 class choose_repository {
   5
   6 field top
   7 field w
   8 field w_body      ; # Widget holding the center content
   9 field w_next      ; # Next button
  10 field w_quit      ; # Quit button
  11 field o_cons      ; # Console object (if active)
  12 field w_types     ; # List of type buttons in clone
  13 field w_recentlist ; # Listbox containing recent repositories
  14 field w_localpath  ; # Entry widget bound to local_path
  15
  16 field done              0 ; # Finished picking the repository?
  17 field local_path       {} ; # Where this repository is locally
  18 field origin_url       {} ; # Where we are cloning from
  19 field origin_name  origin ; # What we shall call 'origin'
  20 field clone_type hardlink ; # Type of clone to construct
  21 field readtree_err        ; # Error output from read-tree (if any)
  22 field sorted_recent       ; # recent repositories (sorted)
  23
  24 constructor pick {} {
  25         global M1T M1B use_ttk NS
  26
  27         make_dialog top w
  28         wm title $top [mc "Git Gui"]
  29
  30         if {$top eq {.}} {
  31                 menu $w.mbar -tearoff 0
  32                 $top configure -menu $w.mbar
  33
  34                 set m_repo $w.mbar.repository
  35                 $w.mbar add cascade \
  36                         -label [mc Repository] \
  37                         -menu $m_repo
  38                 menu $m_repo
  39
  40                 if {[is_MacOSX]} {
  41                         $w.mbar add cascade -label Apple -menu .mbar.apple
  42                         menu $w.mbar.apple
  43                         $w.mbar.apple add command \
  44                                 -label [mc "About %s" [appname]] \
  45                                 -command do_about
  46                         $w.mbar.apple add command \
  47                                 -label [mc "Show SSH Key"] \
  48                                 -command do_ssh_key
  49                 } else {
  50                         $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
  51                         menu $w.mbar.help
  52                         $w.mbar.help add command \
  53                                 -label [mc "About %s" [appname]] \
  54                                 -command do_about
  55                         $w.mbar.help add command \
  56                                 -label [mc "Show SSH Key"] \
  57                                 -command do_ssh_key
  58                 }
  59
  60                 wm protocol $top WM_DELETE_WINDOW exit
  61                 bind $top <$M1B-q> exit
  62                 bind $top <$M1B-Q> exit
  63                 bind $top <Key-Escape> exit
  64         } else {
  65                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  66                 bind $top <Key-Escape> [list destroy $top]
  67                 set m_repo {}
  68         }
  69
  70         pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
  71
  72         set w_body $w.body
  73         set opts $w_body.options
  74         ${NS}::frame $w_body
  75         text $opts \
  76                 -cursor $::cursor_ptr \
  77                 -relief flat \
  78                 -background [get_bg_color $w_body] \
  79                 -wrap none \
  80                 -spacing1 5 \
  81                 -width 50 \
  82                 -height 3
  83         pack $opts -anchor w -fill x
  84
  85         $opts tag conf link_new -foreground blue -underline 1
  86         $opts tag bind link_new <1> [cb _next new]
  87         $opts insert end [mc "Create New Repository"] link_new
  88         $opts insert end "\n"
  89         if {$m_repo ne {}} {
  90                 $m_repo add command \
  91                         -command [cb _next new] \
  92                         -accelerator $M1T-N \
  93                         -label [mc "New..."]
  94                 bind $top <$M1B-n> [cb _next new]
  95                 bind $top <$M1B-N> [cb _next new]
  96         }
  97
  98         $opts tag conf link_clone -foreground blue -underline 1
  99         $opts tag bind link_clone <1> [cb _next clone]
 100         $opts insert end [mc "Clone Existing Repository"] link_clone
 101         $opts insert end "\n"
 102         if {$m_repo ne {}} {
 103                 $m_repo add command \
 104                         -command [cb _next clone] \
 105                         -accelerator $M1T-C \
 106                         -label [mc "Clone..."]
 107                 bind $top <$M1B-c> [cb _next clone]
 108                 bind $top <$M1B-C> [cb _next clone]
 109         }
 110
 111         $opts tag conf link_open -foreground blue -underline 1
 112         $opts tag bind link_open <1> [cb _next open]
 113         $opts insert end [mc "Open Existing Repository"] link_open
 114         $opts insert end "\n"
 115         if {$m_repo ne {}} {
 116                 $m_repo add command \
 117                         -command [cb _next open] \
 118                         -accelerator $M1T-O \
 119                         -label [mc "Open..."]
 120                 bind $top <$M1B-o> [cb _next open]
 121                 bind $top <$M1B-O> [cb _next open]
 122         }
 123
 124         $opts conf -state disabled
 125
 126         set sorted_recent [_get_recentrepos]
 127         if {[llength $sorted_recent] > 0} {
 128                 if {$m_repo ne {}} {
 129                         $m_repo add separator
 130                         $m_repo add command \
 131                                 -state disabled \
 132                                 -label [mc "Recent Repositories"]
 133                 }
 134
 135                 ${NS}::label $w_body.space
 136                 ${NS}::label $w_body.recentlabel \
 137                         -anchor w \
 138                         -text [mc "Open Recent Repository:"]
 139                 set w_recentlist $w_body.recentlist
 140                 text $w_recentlist \
 141                         -cursor $::cursor_ptr \
 142                         -relief flat \
 143                         -background [get_bg_color $w_body.recentlabel] \
 144                         -wrap none \
 145                         -width 50 \
 146                         -height 10
 147                 $w_recentlist tag conf link \
 148                         -foreground blue \
 149                         -underline 1
 150                 set home $::env(HOME)
 151                 if {[is_Cygwin]} {
 152                         set home [exec cygpath --windows --absolute $home]
 153                 }
 154                 set home "[file normalize $home]/"
 155                 set hlen [string length $home]
 156                 foreach p $sorted_recent {
 157                         set path $p
 158                         if {[string equal -length $hlen $home $p]} {
 159                                 set p "~/[string range $p $hlen end]"
 160                         }
 161                         regsub -all "\n" $p "\\n" p
 162                         $w_recentlist insert end $p link
 163                         $w_recentlist insert end "\n"
 164
 165                         if {$m_repo ne {}} {
 166                                 $m_repo add command \
 167                                         -command [cb _open_recent_path $path] \
 168                                         -label "    $p"
 169                         }
 170                 }
 171                 $w_recentlist conf -state disabled
 172                 $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
 173                 pack $w_body.space -anchor w -fill x
 174                 pack $w_body.recentlabel -anchor w -fill x
 175                 pack $w_recentlist -anchor w -fill x
 176         }
 177         pack $w_body -fill x -padx 10 -pady 10
 178
 179         ${NS}::frame $w.buttons
 180         set w_next $w.buttons.next
 181         set w_quit $w.buttons.quit
 182         ${NS}::button $w_quit \
 183                 -text [mc "Quit"] \
 184                 -command exit
 185         pack $w_quit -side right -padx 5
 186         pack $w.buttons -side bottom -fill x -padx 10 -pady 10
 187
 188         if {$m_repo ne {}} {
 189                 $m_repo add separator
 190                 $m_repo add command \
 191                         -label [mc Quit] \
 192                         -command exit \
 193                         -accelerator $M1T-Q
 194         }
 195
 196         bind $top <Return> [cb _invoke_next]
 197         bind $top <Visibility> "
 198                 [cb _center]
 199                 grab $top
 200                 focus $top
 201                 bind $top <Visibility> {}
 202         "
 203         wm deiconify $top
 204         tkwait variable @done
 205
 206         grab release $top
 207         if {$top eq {.}} {
 208                 eval destroy [winfo children $top]
 209         }
 210 }
 211
 212 proc _home {} {
 213         if {[catch {set h $::env(HOME)}]
 214                 || ![file isdirectory $h]} {
 215                 set h .
 216         }
 217         return $h
 218 }
 219
 220 method _center {} {
 221         set nx [winfo reqwidth $top]
 222         set ny [winfo reqheight $top]
 223         set rx [expr {([winfo screenwidth  $top] - $nx) / 3}]
 224         set ry [expr {([winfo screenheight $top] - $ny) / 3}]
 225         wm geometry $top [format {+%d+%d} $rx $ry]
 226 }
 227
 228 method _invoke_next {} {
 229         if {[winfo exists $w_next]} {
 230                 uplevel #0 [$w_next cget -command]
 231         }
 232 }
 233
 234 proc _get_recentrepos {} {
 235         set recent [list]
 236         foreach p [get_config gui.recentrepo] {
 237                 if {[_is_git [file join $p .git]]} {
 238                         lappend recent $p
 239                 } else {
 240                         _unset_recentrepo $p
 241                 }
 242         }
 243         return [lsort $recent]
 244 }
 245
 246 proc _unset_recentrepo {p} {
 247         regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
 248         git config --global --unset gui.recentrepo "^$p\$"
 249         load_config 1
 250 }
 251
 252 proc _append_recentrepos {path} {
 253         set path [file normalize $path]
 254         set recent [get_config gui.recentrepo]
 255
 256         if {[lindex $recent end] eq $path} {
 257                 return
 258         }
 259
 260         set i [lsearch $recent $path]
 261         if {$i >= 0} {
 262                 _unset_recentrepo $path
 263                 set recent [lreplace $recent $i $i]
 264         }
 265
 266         lappend recent $path
 267         git config --global --add gui.recentrepo $path
 268         load_config 1
 269
 270         while {[llength $recent] > 10} {
 271                 _unset_recentrepo [lindex $recent 0]
 272                 set recent [lrange $recent 1 end]
 273         }
 274 }
 275
 276 method _open_recent {xy} {
 277         set id [lindex [split [$w_recentlist index @$xy] .] 0]
 278         set local_path [lindex $sorted_recent [expr {$id - 1}]]
 279         _do_open2 $this
 280 }
 281
 282 method _open_recent_path {p} {
 283         set local_path $p
 284         _do_open2 $this
 285 }
 286
 287 method _next {action} {
 288         global NS
 289         destroy $w_body
 290         if {![winfo exists $w_next]} {
 291                 ${NS}::button $w_next -default active
 292                 pack $w_next -side right -padx 5 -before $w_quit
 293         }
 294         _do_$action $this
 295 }
 296
 297 method _write_local_path {args} {
 298         if {$local_path eq {}} {
 299                 $w_next conf -state disabled
 300         } else {
 301                 $w_next conf -state normal
 302         }
 303 }
 304
 305 method _git_init {} {
 306         if {[catch {file mkdir $local_path} err]} {
 307                 error_popup [strcat \
 308                         [mc "Failed to create repository %s:" $local_path] \
 309                         "\n\n$err"]
 310                 return 0
 311         }
 312
 313         if {[catch {cd $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 {git init} err]} {
 321                 error_popup [strcat \
 322                         [mc "Failed to create repository %s:" $local_path] \
 323                         "\n\n$err"]
 324                 return 0
 325         }
 326
 327         _append_recentrepos [pwd]
 328         set ::_gitdir .git
 329         set ::_prefix {}
 330         return 1
 331 }
 332
 333 proc _is_git {path} {
 334         if {[file exists [file join $path HEAD]]
 335          && [file exists [file join $path objects]]
 336          && [file exists [file join $path config]]} {
 337                 return 1
 338         }
 339         if {[is_Cygwin]} {
 340                 if {[file exists [file join $path HEAD]]
 341                  && [file exists [file join $path objects.lnk]]
 342                  && [file exists [file join $path config.lnk]]} {
 343                         return 1
 344                 }
 345         }
 346         return 0
 347 }
 348
 349 proc _objdir {path} {
 350         set objdir [file join $path .git objects]
 351         if {[file isdirectory $objdir]} {
 352                 return $objdir
 353         }
 354
 355         set objdir [file join $path objects]
 356         if {[file isdirectory $objdir]} {
 357                 return $objdir
 358         }
 359
 360         if {[is_Cygwin]} {
 361                 set objdir [file join $path .git objects.lnk]
 362                 if {[file isfile $objdir]} {
 363                         return [win32_read_lnk $objdir]
 364                 }
 365
 366                 set objdir [file join $path objects.lnk]
 367                 if {[file isfile $objdir]} {
 368                         return [win32_read_lnk $objdir]
 369                 }
 370         }
 371
 372         return {}
 373 }
 374
 375 ######################################################################
 376 ##
 377 ## Create New Repository
 378
 379 method _do_new {} {
 380         global use_ttk NS
 381         $w_next conf \
 382                 -state disabled \
 383                 -command [cb _do_new2] \
 384                 -text [mc "Create"]
 385
 386         ${NS}::frame $w_body
 387         ${NS}::label $w_body.h \
 388                 -font font_uibold -anchor center \
 389                 -text [mc "Create New Repository"]
 390         pack $w_body.h -side top -fill x -pady 10
 391         pack $w_body -fill x -padx 10
 392
 393         ${NS}::frame $w_body.where
 394         ${NS}::label $w_body.where.l -text [mc "Directory:"]
 395         ${NS}::entry $w_body.where.t \
 396                 -textvariable @local_path \
 397                 -width 50
 398         ${NS}::button $w_body.where.b \
 399                 -text [mc "Browse"] \
 400                 -command [cb _new_local_path]
 401         set w_localpath $w_body.where.t
 402
 403         grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
 404         pack $w_body.where -fill x
 405
 406         grid columnconfigure $w_body.where 1 -weight 1
 407
 408         trace add variable @local_path write [cb _write_local_path]
 409         bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
 410         update
 411         focus $w_body.where.t
 412 }
 413
 414 method _new_local_path {} {
 415         if {$local_path ne {}} {
 416                 set p [file dirname $local_path]
 417         } else {
 418                 set p [_home]
 419         }
 420
 421         set p [tk_chooseDirectory \
 422                 -initialdir $p \
 423                 -parent $top \
 424                 -title [mc "Git Repository"] \
 425                 -mustexist false]
 426         if {$p eq {}} return
 427
 428         set p [file normalize $p]
 429         if {![_new_ok $p]} {
 430                 return
 431         }
 432         set local_path $p
 433         $w_localpath icursor end
 434 }
 435
 436 method _do_new2 {} {
 437         if {![_new_ok $local_path]} {
 438                 return
 439         }
 440         if {![_git_init $this]} {
 441                 return
 442         }
 443         set done 1
 444 }
 445
 446 proc _new_ok {p} {
 447         if {[file isdirectory $p]} {
 448                 if {[_is_git [file join $p .git]]} {
 449                         error_popup [mc "Directory %s already exists." $p]
 450                         return 0
 451                 }
 452         } elseif {[file exists $p]} {
 453                 error_popup [mc "File %s already exists." $p]
 454                 return 0
 455         }
 456         return 1
 457 }
 458
 459 ######################################################################
 460 ##
 461 ## Clone Existing Repository
 462
 463 method _do_clone {} {
 464         global use_ttk NS
 465         $w_next conf \
 466                 -state disabled \
 467                 -command [cb _do_clone2] \
 468                 -text [mc "Clone"]
 469
 470         ${NS}::frame $w_body
 471         ${NS}::label $w_body.h \
 472                 -font font_uibold -anchor center \
 473                 -text [mc "Clone Existing Repository"]
 474         pack $w_body.h -side top -fill x -pady 10
 475         pack $w_body -fill x -padx 10
 476
 477         set args $w_body.args
 478         ${NS}::frame $w_body.args
 479         pack $args -fill both
 480
 481         ${NS}::label $args.origin_l -text [mc "Source Location:"]
 482         ${NS}::entry $args.origin_t \
 483                 -textvariable @origin_url \
 484                 -width 50
 485         ${NS}::button $args.origin_b \
 486                 -text [mc "Browse"] \
 487                 -command [cb _open_origin]
 488         grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
 489
 490         ${NS}::label $args.where_l -text [mc "Target Directory:"]
 491         ${NS}::entry $args.where_t \
 492                 -textvariable @local_path \
 493                 -width 50
 494         ${NS}::button $args.where_b \
 495                 -text [mc "Browse"] \
 496                 -command [cb _new_local_path]
 497         grid $args.where_l $args.where_t $args.where_b -sticky ew
 498         set w_localpath $args.where_t
 499
 500         ${NS}::label $args.type_l -text [mc "Clone Type:"]
 501         ${NS}::frame $args.type_f
 502         set w_types [list]
 503         lappend w_types [${NS}::radiobutton $args.type_f.hardlink \
 504                 -state disabled \
 505                 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
 506                 -variable @clone_type \
 507                 -value hardlink]
 508         lappend w_types [${NS}::radiobutton $args.type_f.full \
 509                 -state disabled \
 510                 -text [mc "Full Copy (Slower, Redundant Backup)"] \
 511                 -variable @clone_type \
 512                 -value full]
 513         lappend w_types [${NS}::radiobutton $args.type_f.shared \
 514                 -state disabled \
 515                 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
 516                 -variable @clone_type \
 517                 -value shared]
 518         foreach r $w_types {
 519                 pack $r -anchor w
 520         }
 521         grid $args.type_l $args.type_f -sticky new
 522
 523         grid columnconfigure $args 1 -weight 1
 524
 525         trace add variable @local_path write [cb _update_clone]
 526         trace add variable @origin_url write [cb _update_clone]
 527         bind $w_body.h <Destroy> "
 528                 [list trace remove variable @local_path write [cb _update_clone]]
 529                 [list trace remove variable @origin_url write [cb _update_clone]]
 530         "
 531         update
 532         focus $args.origin_t
 533 }
 534
 535 method _open_origin {} {
 536         if {$origin_url ne {} && [file isdirectory $origin_url]} {
 537                 set p $origin_url
 538         } else {
 539                 set p [_home]
 540         }
 541
 542         set p [tk_chooseDirectory \
 543                 -initialdir $p \
 544                 -parent $top \
 545                 -title [mc "Git Repository"] \
 546                 -mustexist true]
 547         if {$p eq {}} return
 548
 549         set p [file normalize $p]
 550         if {![_is_git [file join $p .git]] && ![_is_git $p]} {
 551                 error_popup [mc "Not a Git repository: %s" [file tail $p]]
 552                 return
 553         }
 554         set origin_url $p
 555 }
 556
 557 method _update_clone {args} {
 558         if {$local_path ne {} && $origin_url ne {}} {
 559                 $w_next conf -state normal
 560         } else {
 561                 $w_next conf -state disabled
 562         }
 563
 564         if {$origin_url ne {} &&
 565                 (  [_is_git [file join $origin_url .git]]
 566                 || [_is_git $origin_url])} {
 567                 set e normal
 568                 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
 569                         set clone_type hardlink
 570                 }
 571         } else {
 572                 set e disabled
 573                 set clone_type full
 574         }
 575
 576         foreach r $w_types {
 577                 $r conf -state $e
 578         }
 579 }
 580
 581 method _do_clone2 {} {
 582         if {[file isdirectory $origin_url]} {
 583                 set origin_url [file normalize $origin_url]
 584         }
 585
 586         if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
 587                 error_popup [mc "Standard only available for local repository."]
 588                 return
 589         }
 590         if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
 591                 error_popup [mc "Shared only available for local repository."]
 592                 return
 593         }
 594
 595         if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
 596                 set objdir [_objdir $origin_url]
 597                 if {$objdir eq {}} {
 598                         error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
 599                         return
 600                 }
 601         }
 602
 603         set giturl $origin_url
 604         if {[is_Cygwin] && [file isdirectory $giturl]} {
 605                 set giturl [exec cygpath --unix --absolute $giturl]
 606                 if {$clone_type eq {shared}} {
 607                         set objdir [exec cygpath --unix --absolute $objdir]
 608                 }
 609         }
 610
 611         if {[file exists $local_path]} {
 612                 error_popup [mc "Location %s already exists." $local_path]
 613                 return
 614         }
 615
 616         if {![_git_init $this]} return
 617         set local_path [pwd]
 618
 619         if {[catch {
 620                         git config remote.$origin_name.url $giturl
 621                         git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
 622                 } err]} {
 623                 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
 624                 return
 625         }
 626
 627         destroy $w_body $w_next
 628
 629         switch -exact -- $clone_type {
 630         hardlink {
 631                 set o_cons [status_bar::two_line $w_body]
 632                 pack $w_body -fill x -padx 10 -pady 10
 633
 634                 $o_cons start \
 635                         [mc "Counting objects"] \
 636                         [mc "buckets"]
 637                 update
 638
 639                 if {[file exists [file join $objdir info alternates]]} {
 640                         set pwd [pwd]
 641                         if {[catch {
 642                                 file mkdir [gitdir objects info]
 643                                 set f_in [open [file join $objdir info alternates] r]
 644                                 set f_cp [open [gitdir objects info alternates] w]
 645                                 fconfigure $f_in -translation binary -encoding binary
 646                                 fconfigure $f_cp -translation binary -encoding binary
 647                                 cd $objdir
 648                                 while {[gets $f_in line] >= 0} {
 649                                         if {[is_Cygwin]} {
 650                                                 puts $f_cp [exec cygpath --unix --absolute $line]
 651                                         } else {
 652                                                 puts $f_cp [file normalize $line]
 653                                         }
 654                                 }
 655                                 close $f_in
 656                                 close $f_cp
 657                                 cd $pwd
 658                         } err]} {
 659                                 catch {cd $pwd}
 660                                 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
 661                                 return
 662                         }
 663                 }
 664
 665                 set tolink  [list]
 666                 set buckets [glob \
 667                         -tails \
 668                         -nocomplain \
 669                         -directory [file join $objdir] ??]
 670                 set bcnt [expr {[llength $buckets] + 2}]
 671                 set bcur 1
 672                 $o_cons update $bcur $bcnt
 673                 update
 674
 675                 file mkdir [file join .git objects pack]
 676                 foreach i [glob -tails -nocomplain \
 677                         -directory [file join $objdir pack] *] {
 678                         lappend tolink [file join pack $i]
 679                 }
 680                 $o_cons update [incr bcur] $bcnt
 681                 update
 682
 683                 foreach i $buckets {
 684                         file mkdir [file join .git objects $i]
 685                         foreach j [glob -tails -nocomplain \
 686                                 -directory [file join $objdir $i] *] {
 687                                 lappend tolink [file join $i $j]
 688                         }
 689                         $o_cons update [incr bcur] $bcnt
 690                         update
 691                 }
 692                 $o_cons stop
 693
 694                 if {$tolink eq {}} {
 695                         info_popup [strcat \
 696                                 [mc "Nothing to clone from %s." $origin_url] \
 697                                 "\n" \
 698                                 [mc "The 'master' branch has not been initialized."] \
 699                                 ]
 700                         destroy $w_body
 701                         set done 1
 702                         return
 703                 }
 704
 705                 set i [lindex $tolink 0]
 706                 if {[catch {
 707                                 file link -hard \
 708                                         [file join .git objects $i] \
 709                                         [file join $objdir $i]
 710                         } err]} {
 711                         info_popup [mc "Hardlinks are unavailable.  Falling back to copying."]
 712                         set i [_copy_files $this $objdir $tolink]
 713                 } else {
 714                         set i [_link_files $this $objdir [lrange $tolink 1 end]]
 715                 }
 716                 if {!$i} return
 717
 718                 destroy $w_body
 719         }
 720         full {
 721                 set o_cons [console::embed \
 722                         $w_body \
 723                         [mc "Cloning from %s" $origin_url]]
 724                 pack $w_body -fill both -expand 1 -padx 10
 725                 $o_cons exec \
 726                         [list git fetch --no-tags -k $origin_name] \
 727                         [cb _do_clone_tags]
 728         }
 729         shared {
 730                 set fd [open [gitdir objects info alternates] w]
 731                 fconfigure $fd -translation binary
 732                 puts $fd $objdir
 733                 close $fd
 734         }
 735         }
 736
 737         if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
 738                 if {![_clone_refs $this]} return
 739                 set pwd [pwd]
 740                 if {[catch {
 741                                 cd $origin_url
 742                                 set HEAD [git rev-parse --verify HEAD^0]
 743                         } err]} {
 744                         _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
 745                         return 0
 746                 }
 747                 cd $pwd
 748                 _do_clone_checkout $this $HEAD
 749         }
 750 }
 751
 752 method _copy_files {objdir tocopy} {
 753         $o_cons start \
 754                 [mc "Copying objects"] \
 755                 [mc "KiB"]
 756         set tot 0
 757         set cmp 0
 758         foreach p $tocopy {
 759                 incr tot [file size [file join $objdir $p]]
 760         }
 761         foreach p $tocopy {
 762                 if {[catch {
 763                                 set f_in [open [file join $objdir $p] r]
 764                                 set f_cp [open [file join .git objects $p] w]
 765                                 fconfigure $f_in -translation binary -encoding binary
 766                                 fconfigure $f_cp -translation binary -encoding binary
 767
 768                                 while {![eof $f_in]} {
 769                                         incr cmp [fcopy $f_in $f_cp -size 16384]
 770                                         $o_cons update \
 771                                                 [expr {$cmp / 1024}] \
 772                                                 [expr {$tot / 1024}]
 773                                         update
 774                                 }
 775
 776                                 close $f_in
 777                                 close $f_cp
 778                         } err]} {
 779                         _clone_failed $this [mc "Unable to copy object: %s" $err]
 780                         return 0
 781                 }
 782         }
 783         return 1
 784 }
 785
 786 method _link_files {objdir tolink} {
 787         set total [llength $tolink]
 788         $o_cons start \
 789                 [mc "Linking objects"] \
 790                 [mc "objects"]
 791         for {set i 0} {$i < $total} {} {
 792                 set p [lindex $tolink $i]
 793                 if {[catch {
 794                                 file link -hard \
 795                                         [file join .git objects $p] \
 796                                         [file join $objdir $p]
 797                         } err]} {
 798                         _clone_failed $this [mc "Unable to hardlink object: %s" $err]
 799                         return 0
 800                 }
 801
 802                 incr i
 803                 if {$i % 5 == 0} {
 804                         $o_cons update $i $total
 805                         update
 806                 }
 807         }
 808         return 1
 809 }
 810
 811 method _clone_refs {} {
 812         set pwd [pwd]
 813         if {[catch {cd $origin_url} err]} {
 814                 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
 815                 return 0
 816         }
 817         set fd_in [git_read for-each-ref \
 818                 --tcl \
 819                 {--format=list %(refname) %(objectname) %(*objectname)}]
 820         cd $pwd
 821
 822         set fd [open [gitdir packed-refs] w]
 823         fconfigure $fd -translation binary
 824         puts $fd "# pack-refs with: peeled"
 825         while {[gets $fd_in line] >= 0} {
 826                 set line [eval $line]
 827                 set refn [lindex $line 0]
 828                 set robj [lindex $line 1]
 829                 set tobj [lindex $line 2]
 830
 831                 if {[regsub ^refs/heads/ $refn \
 832                         "refs/remotes/$origin_name/" refn]} {
 833                         puts $fd "$robj $refn"
 834                 } elseif {[string match refs/tags/* $refn]} {
 835                         puts $fd "$robj $refn"
 836                         if {$tobj ne {}} {
 837                                 puts $fd "^$tobj"
 838                         }
 839                 }
 840         }
 841         close $fd_in
 842         close $fd
 843         return 1
 844 }
 845
 846 method _do_clone_tags {ok} {
 847         if {$ok} {
 848                 $o_cons exec \
 849                         [list git fetch --tags -k $origin_name] \
 850                         [cb _do_clone_HEAD]
 851         } else {
 852                 $o_cons done $ok
 853                 _clone_failed $this [mc "Cannot fetch branches and objects.  See console output for details."]
 854         }
 855 }
 856
 857 method _do_clone_HEAD {ok} {
 858         if {$ok} {
 859                 $o_cons exec \
 860                         [list git fetch $origin_name HEAD] \
 861                         [cb _do_clone_full_end]
 862         } else {
 863                 $o_cons done $ok
 864                 _clone_failed $this [mc "Cannot fetch tags.  See console output for details."]
 865         }
 866 }
 867
 868 method _do_clone_full_end {ok} {
 869         $o_cons done $ok
 870
 871         if {$ok} {
 872                 destroy $w_body
 873
 874                 set HEAD {}
 875                 if {[file exists [gitdir FETCH_HEAD]]} {
 876                         set fd [open [gitdir FETCH_HEAD] r]
 877                         while {[gets $fd line] >= 0} {
 878                                 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
 879                                         break
 880                                 }
 881                         }
 882                         close $fd
 883                 }
 884
 885                 catch {git pack-refs}
 886                 _do_clone_checkout $this $HEAD
 887         } else {
 888                 _clone_failed $this [mc "Cannot determine HEAD.  See console output for details."]
 889         }
 890 }
 891
 892 method _clone_failed {{why {}}} {
 893         if {[catch {file delete -force $local_path} err]} {
 894                 set why [strcat \
 895                         $why \
 896                         "\n\n" \
 897                         [mc "Unable to cleanup %s" $local_path] \
 898                         "\n\n" \
 899                         $err]
 900         }
 901         if {$why ne {}} {
 902                 update
 903                 error_popup [strcat [mc "Clone failed."] "\n" $why]
 904         }
 905 }
 906
 907 method _do_clone_checkout {HEAD} {
 908         if {$HEAD eq {}} {
 909                 info_popup [strcat \
 910                         [mc "No default branch obtained."] \
 911                         "\n" \
 912                         [mc "The 'master' branch has not been initialized."] \
 913                         ]
 914                 set done 1
 915                 return
 916         }
 917         if {[catch {
 918                         git update-ref HEAD $HEAD^0
 919                 } err]} {
 920                 info_popup [strcat \
 921                         [mc "Cannot resolve %s as a commit." $HEAD^0] \
 922                         "\n  $err" \
 923                         "\n" \
 924                         [mc "The 'master' branch has not been initialized."] \
 925                         ]
 926                 set done 1
 927                 return
 928         }
 929
 930         set o_cons [status_bar::two_line $w_body]
 931         pack $w_body -fill x -padx 10 -pady 10
 932         $o_cons start \
 933                 [mc "Creating working directory"] \
 934                 [mc "files"]
 935
 936         set readtree_err {}
 937         set fd [git_read --stderr read-tree \
 938                 -m \
 939                 -u \
 940                 -v \
 941                 HEAD \
 942                 HEAD \
 943                 ]
 944         fconfigure $fd -blocking 0 -translation binary
 945         fileevent $fd readable [cb _readtree_wait $fd]
 946 }
 947
 948 method _readtree_wait {fd} {
 949         set buf [read $fd]
 950         $o_cons update_meter $buf
 951         append readtree_err $buf
 952
 953         fconfigure $fd -blocking 1
 954         if {![eof $fd]} {
 955                 fconfigure $fd -blocking 0
 956                 return
 957         }
 958
 959         if {[catch {close $fd}]} {
 960                 set err $readtree_err
 961                 regsub {^fatal: } $err {} err
 962                 error_popup [strcat \
 963                         [mc "Initial file checkout failed."] \
 964                         "\n\n$err"]
 965                 return
 966         }
 967
 968         # -- Run the post-checkout hook.
 969         #
 970         set fd_ph [githook_read post-checkout [string repeat 0 40] \
 971                 [git rev-parse HEAD] 1]
 972         if {$fd_ph ne {}} {
 973                 global pch_error
 974                 set pch_error {}
 975                 fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
 976                 fileevent $fd_ph readable [cb _postcheckout_wait $fd_ph]
 977         } else {
 978                 set done 1
 979         }
 980 }
 981
 982 method _postcheckout_wait {fd_ph} {
 983         global pch_error
 984
 985         append pch_error [read $fd_ph]
 986         fconfigure $fd_ph -blocking 1
 987         if {[eof $fd_ph]} {
 988                 if {[catch {close $fd_ph}]} {
 989                         hook_failed_popup post-checkout $pch_error 0
 990                 }
 991                 unset pch_error
 992                 set done 1
 993                 return
 994         }
 995         fconfigure $fd_ph -blocking 0
 996 }
 997
 998 ######################################################################
 999 ##
1000 ## Open Existing Repository
1001
1002 method _do_open {} {
1003         global NS
1004         $w_next conf \
1005                 -state disabled \
1006                 -command [cb _do_open2] \
1007                 -text [mc "Open"]
1008
1009         ${NS}::frame $w_body
1010         ${NS}::label $w_body.h \
1011                 -font font_uibold -anchor center \
1012                 -text [mc "Open Existing Repository"]
1013         pack $w_body.h -side top -fill x -pady 10
1014         pack $w_body -fill x -padx 10
1015
1016         ${NS}::frame $w_body.where
1017         ${NS}::label $w_body.where.l -text [mc "Repository:"]
1018         ${NS}::entry $w_body.where.t \
1019                 -textvariable @local_path \
1020                 -width 50
1021         ${NS}::button $w_body.where.b \
1022                 -text [mc "Browse"] \
1023                 -command [cb _open_local_path]
1024
1025         grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
1026         pack $w_body.where -fill x
1027
1028         grid columnconfigure $w_body.where 1 -weight 1
1029
1030         trace add variable @local_path write [cb _write_local_path]
1031         bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
1032         update
1033         focus $w_body.where.t
1034 }
1035
1036 method _open_local_path {} {
1037         if {$local_path ne {}} {
1038                 set p $local_path
1039         } else {
1040                 set p [_home]
1041         }
1042
1043         set p [tk_chooseDirectory \
1044                 -initialdir $p \
1045                 -parent $top \
1046                 -title [mc "Git Repository"] \
1047                 -mustexist true]
1048         if {$p eq {}} return
1049
1050         set p [file normalize $p]
1051         if {![_is_git [file join $p .git]]} {
1052                 error_popup [mc "Not a Git repository: %s" [file tail $p]]
1053                 return
1054         }
1055         set local_path $p
1056 }
1057
1058 method _do_open2 {} {
1059         if {![_is_git [file join $local_path .git]]} {
1060                 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1061                 return
1062         }
1063
1064         if {[catch {cd $local_path} err]} {
1065                 error_popup [strcat \
1066                         [mc "Failed to open repository %s:" $local_path] \
1067                         "\n\n$err"]
1068                 return
1069         }
1070
1071         _append_recentrepos [pwd]
1072         set ::_gitdir .git
1073         set ::_prefix {}
1074         set done 1
1075 }
1076
1077 }