1# git-gui Git repository chooser
2# Copyright (C) 2007 Shawn Pearce
3class choose_repository {
5field 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
15field 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)
23constructor pick {} {
25 global M1T M1B
26 make_toplevel top w
28 wm title $top [mc "Git Gui"]
29 if {$top eq {.}} {
31 menu $w.mbar -tearoff 0
32 $top configure -menu $w.mbar
33 set m_repo $w.mbar.repository
35 $w.mbar add cascade \
36 -label [mc Repository] \
37 -menu $m_repo
38 menu $m_repo
39 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 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 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
71 set w_body $w.body
73 set opts $w_body.options
74 frame $w_body
75 text $opts \
76 -cursor $::cursor_ptr \
77 -relief flat \
78 -background [$w_body cget -background] \
79 -wrap none \
80 -spacing1 5 \
81 -width 50 \
82 -height 3
83 pack $opts -anchor w -fill x
84 $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 $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 $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 $opts conf -state disabled
125 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 label $w_body.space
136 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 $::cursor_ptr \
142 -relief flat \
143 -background [$w_body.recentlabel cget -background] \
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 $w_recentlist insert end "\n"
164 if {$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 frame $w.buttons
180 set w_next $w.buttons.next
181 set w_quit $w.buttons.quit
182 button $w_quit \
183 -text [mc "Quit"] \
184 -command exit
185 pack $w_quit -side right -padx 5
186 pack $w.buttons -side bottom -fill x -padx 10 -pady 10
187 if {$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 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 $top
204 tkwait variable @done
205 if {$top eq {.}} {
207 eval destroy [winfo children $top]
208 }
209}
210proc _home {} {
212 if {[catch {set h $::env(HOME)}]
213 || ![file isdirectory $h]} {
214 set h .
215 }
216 return $h
217}
218method _center {} {
220 set nx [winfo reqwidth $top]
221 set ny [winfo reqheight $top]
222 set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
223 set ry [expr {([winfo screenheight $top] - $ny) / 3}]
224 wm geometry $top [format {+%d+%d} $rx $ry]
225}
226method _invoke_next {} {
228 if {[winfo exists $w_next]} {
229 uplevel #0 [$w_next cget -command]
230 }
231}
232proc _get_recentrepos {} {
234 set recent [list]
235 foreach p [get_config gui.recentrepo] {
236 if {[_is_git [file join $p .git]]} {
237 lappend recent $p
238 } else {
239 _unset_recentrepo $p
240 }
241 }
242 return [lsort $recent]
243}
244proc _unset_recentrepo {p} {
246 regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
247 git config --global --unset gui.recentrepo "^$p\$"
248 load_config 1
249}
250proc _append_recentrepos {path} {
252 set path [file normalize $path]
253 set recent [get_config gui.recentrepo]
254 if {[lindex $recent end] eq $path} {
256 return
257 }
258 set i [lsearch $recent $path]
260 if {$i >= 0} {
261 _unset_recentrepo $path
262 set recent [lreplace $recent $i $i]
263 }
264 lappend recent $path
266 git config --global --add gui.recentrepo $path
267 load_config 1
268 while {[llength $recent] > 10} {
270 _unset_recentrepo [lindex $recent 0]
271 set recent [lrange $recent 1 end]
272 }
273}
274method _open_recent {xy} {
276 set id [lindex [split [$w_recentlist index @$xy] .] 0]
277 set local_path [lindex $sorted_recent [expr {$id - 1}]]
278 _do_open2 $this
279}
280method _open_recent_path {p} {
282 set local_path $p
283 _do_open2 $this
284}
285method _next {action} {
287 destroy $w_body
288 if {![winfo exists $w_next]} {
289 button $w_next -default active
290 pack $w_next -side right -padx 5 -before $w_quit
291 }
292 _do_$action $this
293}
294method _write_local_path {args} {
296 if {$local_path eq {}} {
297 $w_next conf -state disabled
298 } else {
299 $w_next conf -state normal
300 }
301}
302method _git_init {} {
304 if {[catch {file mkdir $local_path} err]} {
305 error_popup [strcat \
306 [mc "Failed to create repository %s:" $local_path] \
307 "\n\n$err"]
308 return 0
309 }
310 if {[catch {cd $local_path} err]} {
312 error_popup [strcat \
313 [mc "Failed to create repository %s:" $local_path] \
314 "\n\n$err"]
315 return 0
316 }
317 if {[catch {git init} err]} {
319 error_popup [strcat \
320 [mc "Failed to create repository %s:" $local_path] \
321 "\n\n$err"]
322 return 0
323 }
324 _append_recentrepos [pwd]
326 set ::_gitdir .git
327 set ::_prefix {}
328 return 1
329}
330proc _is_git {path} {
332 if {[file exists [file join $path HEAD]]
333 && [file exists [file join $path objects]]
334 && [file exists [file join $path config]]} {
335 return 1
336 }
337 if {[is_Cygwin]} {
338 if {[file exists [file join $path HEAD]]
339 && [file exists [file join $path objects.lnk]]
340 && [file exists [file join $path config.lnk]]} {
341 return 1
342 }
343 }
344 return 0
345}
346proc _objdir {path} {
348 set objdir [file join $path .git objects]
349 if {[file isdirectory $objdir]} {
350 return $objdir
351 }
352 set objdir [file join $path objects]
354 if {[file isdirectory $objdir]} {
355 return $objdir
356 }
357 if {[is_Cygwin]} {
359 set objdir [file join $path .git objects.lnk]
360 if {[file isfile $objdir]} {
361 return [win32_read_lnk $objdir]
362 }
363 set objdir [file join $path objects.lnk]
365 if {[file isfile $objdir]} {
366 return [win32_read_lnk $objdir]
367 }
368 }
369 return {}
371}
372######################################################################
374##
375## Create New Repository
376method _do_new {} {
378 $w_next conf \
379 -state disabled \
380 -command [cb _do_new2] \
381 -text [mc "Create"]
382 frame $w_body
384 label $w_body.h \
385 -font font_uibold \
386 -text [mc "Create New Repository"]
387 pack $w_body.h -side top -fill x -pady 10
388 pack $w_body -fill x -padx 10
389 frame $w_body.where
391 label $w_body.where.l -text [mc "Directory:"]
392 entry $w_body.where.t \
393 -textvariable @local_path \
394 -borderwidth 1 \
395 -relief sunken \
396 -width 50
397 button $w_body.where.b \
398 -text [mc "Browse"] \
399 -command [cb _new_local_path]
400 set w_localpath $w_body.where.t
401 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
403 pack $w_body.where -fill x
404 grid columnconfigure $w_body.where 1 -weight 1
406 trace add variable @local_path write [cb _write_local_path]
408 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
409 update
410 focus $w_body.where.t
411}
412method _new_local_path {} {
414 if {$local_path ne {}} {
415 set p [file dirname $local_path]
416 } else {
417 set p [_home]
418 }
419 set p [tk_chooseDirectory \
421 -initialdir $p \
422 -parent $top \
423 -title [mc "Git Repository"] \
424 -mustexist false]
425 if {$p eq {}} return
426 set p [file normalize $p]
428 if {![_new_ok $p]} {
429 return
430 }
431 set local_path $p
432 $w_localpath icursor end
433}
434method _do_new2 {} {
436 if {![_new_ok $local_path]} {
437 return
438 }
439 if {![_git_init $this]} {
440 return
441 }
442 set done 1
443}
444proc _new_ok {p} {
446 if {[file isdirectory $p]} {
447 if {[_is_git [file join $p .git]]} {
448 error_popup [mc "Directory %s already exists." $p]
449 return 0
450 }
451 } elseif {[file exists $p]} {
452 error_popup [mc "File %s already exists." $p]
453 return 0
454 }
455 return 1
456}
457######################################################################
459##
460## Clone Existing Repository
461method _do_clone {} {
463 $w_next conf \
464 -state disabled \
465 -command [cb _do_clone2] \
466 -text [mc "Clone"]
467 frame $w_body
469 label $w_body.h \
470 -font font_uibold \
471 -text [mc "Clone Existing Repository"]
472 pack $w_body.h -side top -fill x -pady 10
473 pack $w_body -fill x -padx 10
474 set args $w_body.args
476 frame $w_body.args
477 pack $args -fill both
478 label $args.origin_l -text [mc "Source Location:"]
480 entry $args.origin_t \
481 -textvariable @origin_url \
482 -borderwidth 1 \
483 -relief sunken \
484 -width 50
485 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 label $args.where_l -text [mc "Target Directory:"]
491 entry $args.where_t \
492 -textvariable @local_path \
493 -borderwidth 1 \
494 -relief sunken \
495 -width 50
496 button $args.where_b \
497 -text [mc "Browse"] \
498 -command [cb _new_local_path]
499 grid $args.where_l $args.where_t $args.where_b -sticky ew
500 set w_localpath $args.where_t
501 label $args.type_l -text [mc "Clone Type:"]
503 frame $args.type_f
504 set w_types [list]
505 lappend w_types [radiobutton $args.type_f.hardlink \
506 -state disabled \
507 -anchor w \
508 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
509 -variable @clone_type \
510 -value hardlink]
511 lappend w_types [radiobutton $args.type_f.full \
512 -state disabled \
513 -anchor w \
514 -text [mc "Full Copy (Slower, Redundant Backup)"] \
515 -variable @clone_type \
516 -value full]
517 lappend w_types [radiobutton $args.type_f.shared \
518 -state disabled \
519 -anchor w \
520 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
521 -variable @clone_type \
522 -value shared]
523 foreach r $w_types {
524 pack $r -anchor w
525 }
526 grid $args.type_l $args.type_f -sticky new
527 grid columnconfigure $args 1 -weight 1
529 trace add variable @local_path write [cb _update_clone]
531 trace add variable @origin_url write [cb _update_clone]
532 bind $w_body.h <Destroy> "
533 [list trace remove variable @local_path write [cb _update_clone]]
534 [list trace remove variable @origin_url write [cb _update_clone]]
535 "
536 update
537 focus $args.origin_t
538}
539method _open_origin {} {
541 if {$origin_url ne {} && [file isdirectory $origin_url]} {
542 set p $origin_url
543 } else {
544 set p [_home]
545 }
546 set p [tk_chooseDirectory \
548 -initialdir $p \
549 -parent $top \
550 -title [mc "Git Repository"] \
551 -mustexist true]
552 if {$p eq {}} return
553 set p [file normalize $p]
555 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
556 error_popup [mc "Not a Git repository: %s" [file tail $p]]
557 return
558 }
559 set origin_url $p
560}
561method _update_clone {args} {
563 if {$local_path ne {} && $origin_url ne {}} {
564 $w_next conf -state normal
565 } else {
566 $w_next conf -state disabled
567 }
568 if {$origin_url ne {} &&
570 ( [_is_git [file join $origin_url .git]]
571 || [_is_git $origin_url])} {
572 set e normal
573 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
574 set clone_type hardlink
575 }
576 } else {
577 set e disabled
578 set clone_type full
579 }
580 foreach r $w_types {
582 $r conf -state $e
583 }
584}
585method _do_clone2 {} {
587 if {[file isdirectory $origin_url]} {
588 set origin_url [file normalize $origin_url]
589 }
590 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
592 error_popup [mc "Standard only available for local repository."]
593 return
594 }
595 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
596 error_popup [mc "Shared only available for local repository."]
597 return
598 }
599 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
601 set objdir [_objdir $origin_url]
602 if {$objdir eq {}} {
603 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
604 return
605 }
606 }
607 set giturl $origin_url
609 if {[is_Cygwin] && [file isdirectory $giturl]} {
610 set giturl [exec cygpath --unix --absolute $giturl]
611 if {$clone_type eq {shared}} {
612 set objdir [exec cygpath --unix --absolute $objdir]
613 }
614 }
615 if {[file exists $local_path]} {
617 error_popup [mc "Location %s already exists." $local_path]
618 return
619 }
620 if {![_git_init $this]} return
622 set local_path [pwd]
623 if {[catch {
625 git config remote.$origin_name.url $giturl
626 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
627 } err]} {
628 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
629 return
630 }
631 destroy $w_body $w_next
633 switch -exact -- $clone_type {
635 hardlink {
636 set o_cons [status_bar::two_line $w_body]
637 pack $w_body -fill x -padx 10 -pady 10
638 $o_cons start \
640 [mc "Counting objects"] \
641 [mc "buckets"]
642 update
643 if {[file exists [file join $objdir info alternates]]} {
645 set pwd [pwd]
646 if {[catch {
647 file mkdir [gitdir objects info]
648 set f_in [open [file join $objdir info alternates] r]
649 set f_cp [open [gitdir objects info alternates] w]
650 fconfigure $f_in -translation binary -encoding binary
651 fconfigure $f_cp -translation binary -encoding binary
652 cd $objdir
653 while {[gets $f_in line] >= 0} {
654 if {[is_Cygwin]} {
655 puts $f_cp [exec cygpath --unix --absolute $line]
656 } else {
657 puts $f_cp [file normalize $line]
658 }
659 }
660 close $f_in
661 close $f_cp
662 cd $pwd
663 } err]} {
664 catch {cd $pwd}
665 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
666 return
667 }
668 }
669 set tolink [list]
671 set buckets [glob \
672 -tails \
673 -nocomplain \
674 -directory [file join $objdir] ??]
675 set bcnt [expr {[llength $buckets] + 2}]
676 set bcur 1
677 $o_cons update $bcur $bcnt
678 update
679 file mkdir [file join .git objects pack]
681 foreach i [glob -tails -nocomplain \
682 -directory [file join $objdir pack] *] {
683 lappend tolink [file join pack $i]
684 }
685 $o_cons update [incr bcur] $bcnt
686 update
687 foreach i $buckets {
689 file mkdir [file join .git objects $i]
690 foreach j [glob -tails -nocomplain \
691 -directory [file join $objdir $i] *] {
692 lappend tolink [file join $i $j]
693 }
694 $o_cons update [incr bcur] $bcnt
695 update
696 }
697 $o_cons stop
698 if {$tolink eq {}} {
700 info_popup [strcat \
701 [mc "Nothing to clone from %s." $origin_url] \
702 "\n" \
703 [mc "The 'master' branch has not been initialized."] \
704 ]
705 destroy $w_body
706 set done 1
707 return
708 }
709 set i [lindex $tolink 0]
711 if {[catch {
712 file link -hard \
713 [file join .git objects $i] \
714 [file join $objdir $i]
715 } err]} {
716 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
717 set i [_copy_files $this $objdir $tolink]
718 } else {
719 set i [_link_files $this $objdir [lrange $tolink 1 end]]
720 }
721 if {!$i} return
722 destroy $w_body
724 }
725 full {
726 set o_cons [console::embed \
727 $w_body \
728 [mc "Cloning from %s" $origin_url]]
729 pack $w_body -fill both -expand 1 -padx 10
730 $o_cons exec \
731 [list git fetch --no-tags -k $origin_name] \
732 [cb _do_clone_tags]
733 }
734 shared {
735 set fd [open [gitdir objects info alternates] w]
736 fconfigure $fd -translation binary
737 puts $fd $objdir
738 close $fd
739 }
740 }
741 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
743 if {![_clone_refs $this]} return
744 set pwd [pwd]
745 if {[catch {
746 cd $origin_url
747 set HEAD [git rev-parse --verify HEAD^0]
748 } err]} {
749 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
750 return 0
751 }
752 cd $pwd
753 _do_clone_checkout $this $HEAD
754 }
755}
756method _copy_files {objdir tocopy} {
758 $o_cons start \
759 [mc "Copying objects"] \
760 [mc "KiB"]
761 set tot 0
762 set cmp 0
763 foreach p $tocopy {
764 incr tot [file size [file join $objdir $p]]
765 }
766 foreach p $tocopy {
767 if {[catch {
768 set f_in [open [file join $objdir $p] r]
769 set f_cp [open [file join .git objects $p] w]
770 fconfigure $f_in -translation binary -encoding binary
771 fconfigure $f_cp -translation binary -encoding binary
772 while {![eof $f_in]} {
774 incr cmp [fcopy $f_in $f_cp -size 16384]
775 $o_cons update \
776 [expr {$cmp / 1024}] \
777 [expr {$tot / 1024}]
778 update
779 }
780 close $f_in
782 close $f_cp
783 } err]} {
784 _clone_failed $this [mc "Unable to copy object: %s" $err]
785 return 0
786 }
787 }
788 return 1
789}
790method _link_files {objdir tolink} {
792 set total [llength $tolink]
793 $o_cons start \
794 [mc "Linking objects"] \
795 [mc "objects"]
796 for {set i 0} {$i < $total} {} {
797 set p [lindex $tolink $i]
798 if {[catch {
799 file link -hard \
800 [file join .git objects $p] \
801 [file join $objdir $p]
802 } err]} {
803 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
804 return 0
805 }
806 incr i
808 if {$i % 5 == 0} {
809 $o_cons update $i $total
810 update
811 }
812 }
813 return 1
814}
815method _clone_refs {} {
817 set pwd [pwd]
818 if {[catch {cd $origin_url} err]} {
819 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
820 return 0
821 }
822 set fd_in [git_read for-each-ref \
823 --tcl \
824 {--format=list %(refname) %(objectname) %(*objectname)}]
825 cd $pwd
826 set fd [open [gitdir packed-refs] w]
828 fconfigure $fd -translation binary
829 puts $fd "# pack-refs with: peeled"
830 while {[gets $fd_in line] >= 0} {
831 set line [eval $line]
832 set refn [lindex $line 0]
833 set robj [lindex $line 1]
834 set tobj [lindex $line 2]
835 if {[regsub ^refs/heads/ $refn \
837 "refs/remotes/$origin_name/" refn]} {
838 puts $fd "$robj $refn"
839 } elseif {[string match refs/tags/* $refn]} {
840 puts $fd "$robj $refn"
841 if {$tobj ne {}} {
842 puts $fd "^$tobj"
843 }
844 }
845 }
846 close $fd_in
847 close $fd
848 return 1
849}
850method _do_clone_tags {ok} {
852 if {$ok} {
853 $o_cons exec \
854 [list git fetch --tags -k $origin_name] \
855 [cb _do_clone_HEAD]
856 } else {
857 $o_cons done $ok
858 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
859 }
860}
861method _do_clone_HEAD {ok} {
863 if {$ok} {
864 $o_cons exec \
865 [list git fetch $origin_name HEAD] \
866 [cb _do_clone_full_end]
867 } else {
868 $o_cons done $ok
869 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
870 }
871}
872method _do_clone_full_end {ok} {
874 $o_cons done $ok
875 if {$ok} {
877 destroy $w_body
878 set HEAD {}
880 if {[file exists [gitdir FETCH_HEAD]]} {
881 set fd [open [gitdir FETCH_HEAD] r]
882 while {[gets $fd line] >= 0} {
883 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
884 break
885 }
886 }
887 close $fd
888 }
889 catch {git pack-refs}
891 _do_clone_checkout $this $HEAD
892 } else {
893 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
894 }
895}
896method _clone_failed {{why {}}} {
898 if {[catch {file delete -force $local_path} err]} {
899 set why [strcat \
900 $why \
901 "\n\n" \
902 [mc "Unable to cleanup %s" $local_path] \
903 "\n\n" \
904 $err]
905 }
906 if {$why ne {}} {
907 update
908 error_popup [strcat [mc "Clone failed."] "\n" $why]
909 }
910}
911method _do_clone_checkout {HEAD} {
913 if {$HEAD eq {}} {
914 info_popup [strcat \
915 [mc "No default branch obtained."] \
916 "\n" \
917 [mc "The 'master' branch has not been initialized."] \
918 ]
919 set done 1
920 return
921 }
922 if {[catch {
923 git update-ref HEAD $HEAD^0
924 } err]} {
925 info_popup [strcat \
926 [mc "Cannot resolve %s as a commit." $HEAD^0] \
927 "\n $err" \
928 "\n" \
929 [mc "The 'master' branch has not been initialized."] \
930 ]
931 set done 1
932 return
933 }
934 set o_cons [status_bar::two_line $w_body]
936 pack $w_body -fill x -padx 10 -pady 10
937 $o_cons start \
938 [mc "Creating working directory"] \
939 [mc "files"]
940 set readtree_err {}
942 set fd [git_read --stderr read-tree \
943 -m \
944 -u \
945 -v \
946 HEAD \
947 HEAD \
948 ]
949 fconfigure $fd -blocking 0 -translation binary
950 fileevent $fd readable [cb _readtree_wait $fd]
951}
952method _readtree_wait {fd} {
954 set buf [read $fd]
955 $o_cons update_meter $buf
956 append readtree_err $buf
957 fconfigure $fd -blocking 1
959 if {![eof $fd]} {
960 fconfigure $fd -blocking 0
961 return
962 }
963 if {[catch {close $fd}]} {
965 set err $readtree_err
966 regsub {^fatal: } $err {} err
967 error_popup [strcat \
968 [mc "Initial file checkout failed."] \
969 "\n\n$err"]
970 return
971 }
972 # -- Run the post-checkout hook.
974 #
975 set fd_ph [githook_read post-checkout [string repeat 0 40] \
976 [git rev-parse HEAD] 1]
977 if {$fd_ph ne {}} {
978 global pch_error
979 set pch_error {}
980 fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
981 fileevent $fd_ph readable [cb _postcheckout_wait $fd_ph]
982 } else {
983 set done 1
984 }
985}
986method _postcheckout_wait {fd_ph} {
988 global pch_error
989 append pch_error [read $fd_ph]
991 fconfigure $fd_ph -blocking 1
992 if {[eof $fd_ph]} {
993 if {[catch {close $fd_ph}]} {
994 hook_failed_popup post-checkout $pch_error 0
995 }
996 unset pch_error
997 set done 1
998 return
999 }
1000 fconfigure $fd_ph -blocking 0
1001}
1002######################################################################
1004##
1005## Open Existing Repository
1006method _do_open {} {
1008 $w_next conf \
1009 -state disabled \
1010 -command [cb _do_open2] \
1011 -text [mc "Open"]
1012 frame $w_body
1014 label $w_body.h \
1015 -font font_uibold \
1016 -text [mc "Open Existing Repository"]
1017 pack $w_body.h -side top -fill x -pady 10
1018 pack $w_body -fill x -padx 10
1019 frame $w_body.where
1021 label $w_body.where.l -text [mc "Repository:"]
1022 entry $w_body.where.t \
1023 -textvariable @local_path \
1024 -borderwidth 1 \
1025 -relief sunken \
1026 -width 50
1027 button $w_body.where.b \
1028 -text [mc "Browse"] \
1029 -command [cb _open_local_path]
1030 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
1032 pack $w_body.where -fill x
1033 grid columnconfigure $w_body.where 1 -weight 1
1035 trace add variable @local_path write [cb _write_local_path]
1037 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
1038 update
1039 focus $w_body.where.t
1040}
1041method _open_local_path {} {
1043 if {$local_path ne {}} {
1044 set p $local_path
1045 } else {
1046 set p [_home]
1047 }
1048 set p [tk_chooseDirectory \
1050 -initialdir $p \
1051 -parent $top \
1052 -title [mc "Git Repository"] \
1053 -mustexist true]
1054 if {$p eq {}} return
1055 set p [file normalize $p]
1057 if {![_is_git [file join $p .git]]} {
1058 error_popup [mc "Not a Git repository: %s" [file tail $p]]
1059 return
1060 }
1061 set local_path $p
1062}
1063method _do_open2 {} {
1065 if {![_is_git [file join $local_path .git]]} {
1066 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1067 return
1068 }
1069 if {[catch {cd $local_path} err]} {
1071 error_popup [strcat \
1072 [mc "Failed to open repository %s:" $local_path] \
1073 "\n\n$err"]
1074 return
1075 }
1076 _append_recentrepos [pwd]
1078 set ::_gitdir .git
1079 set ::_prefix {}
1080 set done 1
1081}
1082}