1 # git-gui Git repository chooser
2 # Copyright (C) 2007 Shawn Pearce
4 class choose_repository {
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
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)
24 constructor pick {} {
25 global M1T M1B
27 make_toplevel top w
28 wm title $top [mc "Git Gui"]
30 if {$top eq {.}} {
31 menu $w.mbar -tearoff 0
32 $top configure -menu $w.mbar
34 set m_repo $w.mbar.repository
35 $w.mbar add cascade \
36 -label [mc Repository] \
37 -menu $m_repo
38 menu $m_repo
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 }
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 }
70 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
72 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
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 }
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 }
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 }
124 $opts conf -state disabled
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 }
135 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 $w_recentlist insert end "\n"
165 if {$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
179 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 $w.buttons -side bottom -fill x -padx 10 -pady 10
188 if {$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 }
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 $top
204 tkwait variable @done
206 if {$top eq {.}} {
207 eval destroy [winfo children $top]
208 }
209 }
211 proc _home {} {
212 if {[catch {set h $::env(HOME)}]
213 || ![file isdirectory $h]} {
214 set h .
215 }
216 return $h
217 }
219 method _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 }
227 method _invoke_next {} {
228 if {[winfo exists $w_next]} {
229 uplevel #0 [$w_next cget -command]
230 }
231 }
233 proc _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 }
239 }
240 return [lsort $recent]
241 }
243 proc _unset_recentrepo {p} {
244 regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
245 git config --global --unset gui.recentrepo "^$p\$"
246 }
248 proc _append_recentrepos {path} {
249 set path [file normalize $path]
250 set recent [get_config gui.recentrepo]
252 if {[lindex $recent end] eq $path} {
253 return
254 }
256 set i [lsearch $recent $path]
257 if {$i >= 0} {
258 _unset_recentrepo $path
259 set recent [lreplace $recent $i $i]
260 }
262 lappend recent $path
263 git config --global --add gui.recentrepo $path
265 while {[llength $recent] > 10} {
266 _unset_recentrepo [lindex $recent 0]
267 set recent [lrange $recent 1 end]
268 }
269 }
271 method _open_recent {xy} {
272 set id [lindex [split [$w_recentlist index @$xy] .] 0]
273 set local_path [lindex $sorted_recent [expr {$id - 1}]]
274 _do_open2 $this
275 }
277 method _open_recent_path {p} {
278 set local_path $p
279 _do_open2 $this
280 }
282 method _next {action} {
283 destroy $w_body
284 if {![winfo exists $w_next]} {
285 button $w_next -default active
286 pack $w_next -side right -padx 5 -before $w_quit
287 }
288 _do_$action $this
289 }
291 method _write_local_path {args} {
292 if {$local_path eq {}} {
293 $w_next conf -state disabled
294 } else {
295 $w_next conf -state normal
296 }
297 }
299 method _git_init {} {
300 if {[catch {file mkdir $local_path} err]} {
301 error_popup [strcat \
302 [mc "Failed to create repository %s:" $local_path] \
303 "\n\n$err"]
304 return 0
305 }
307 if {[catch {cd $local_path} err]} {
308 error_popup [strcat \
309 [mc "Failed to create repository %s:" $local_path] \
310 "\n\n$err"]
311 return 0
312 }
314 if {[catch {git init} err]} {
315 error_popup [strcat \
316 [mc "Failed to create repository %s:" $local_path] \
317 "\n\n$err"]
318 return 0
319 }
321 _append_recentrepos [pwd]
322 set ::_gitdir .git
323 set ::_prefix {}
324 return 1
325 }
327 proc _is_git {path} {
328 if {[file exists [file join $path HEAD]]
329 && [file exists [file join $path objects]]
330 && [file exists [file join $path config]]} {
331 return 1
332 }
333 if {[is_Cygwin]} {
334 if {[file exists [file join $path HEAD]]
335 && [file exists [file join $path objects.lnk]]
336 && [file exists [file join $path config.lnk]]} {
337 return 1
338 }
339 }
340 return 0
341 }
343 proc _objdir {path} {
344 set objdir [file join $path .git objects]
345 if {[file isdirectory $objdir]} {
346 return $objdir
347 }
349 set objdir [file join $path objects]
350 if {[file isdirectory $objdir]} {
351 return $objdir
352 }
354 if {[is_Cygwin]} {
355 set objdir [file join $path .git objects.lnk]
356 if {[file isfile $objdir]} {
357 return [win32_read_lnk $objdir]
358 }
360 set objdir [file join $path objects.lnk]
361 if {[file isfile $objdir]} {
362 return [win32_read_lnk $objdir]
363 }
364 }
366 return {}
367 }
369 ######################################################################
370 ##
371 ## Create New Repository
373 method _do_new {} {
374 $w_next conf \
375 -state disabled \
376 -command [cb _do_new2] \
377 -text [mc "Create"]
379 frame $w_body
380 label $w_body.h \
381 -font font_uibold \
382 -text [mc "Create New Repository"]
383 pack $w_body.h -side top -fill x -pady 10
384 pack $w_body -fill x -padx 10
386 frame $w_body.where
387 label $w_body.where.l -text [mc "Directory:"]
388 entry $w_body.where.t \
389 -textvariable @local_path \
390 -borderwidth 1 \
391 -relief sunken \
392 -width 50
393 button $w_body.where.b \
394 -text [mc "Browse"] \
395 -command [cb _new_local_path]
396 set w_localpath $w_body.where.t
398 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
399 pack $w_body.where -fill x
401 trace add variable @local_path write [cb _write_local_path]
402 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
403 update
404 focus $w_body.where.t
405 }
407 method _new_local_path {} {
408 if {$local_path ne {}} {
409 set p [file dirname $local_path]
410 } else {
411 set p [_home]
412 }
414 set p [tk_chooseDirectory \
415 -initialdir $p \
416 -parent $top \
417 -title [mc "Git Repository"] \
418 -mustexist false]
419 if {$p eq {}} return
421 set p [file normalize $p]
422 if {![_new_ok $p]} {
423 return
424 }
425 set local_path $p
426 $w_localpath icursor end
427 }
429 method _do_new2 {} {
430 if {![_new_ok $local_path]} {
431 return
432 }
433 if {![_git_init $this]} {
434 return
435 }
436 set done 1
437 }
439 proc _new_ok {p} {
440 if {[file isdirectory $p]} {
441 if {[_is_git [file join $p .git]]} {
442 error_popup [mc "Directory %s already exists." $p]
443 return 0
444 }
445 } elseif {[file exists $p]} {
446 error_popup [mc "File %s already exists." $p]
447 return 0
448 }
449 return 1
450 }
452 ######################################################################
453 ##
454 ## Clone Existing Repository
456 method _do_clone {} {
457 $w_next conf \
458 -state disabled \
459 -command [cb _do_clone2] \
460 -text [mc "Clone"]
462 frame $w_body
463 label $w_body.h \
464 -font font_uibold \
465 -text [mc "Clone Existing Repository"]
466 pack $w_body.h -side top -fill x -pady 10
467 pack $w_body -fill x -padx 10
469 set args $w_body.args
470 frame $w_body.args
471 pack $args -fill both
473 label $args.origin_l -text [mc "Source Location:"]
474 entry $args.origin_t \
475 -textvariable @origin_url \
476 -borderwidth 1 \
477 -relief sunken \
478 -width 50
479 button $args.origin_b \
480 -text [mc "Browse"] \
481 -command [cb _open_origin]
482 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
484 label $args.where_l -text [mc "Target Directory:"]
485 entry $args.where_t \
486 -textvariable @local_path \
487 -borderwidth 1 \
488 -relief sunken \
489 -width 50
490 button $args.where_b \
491 -text [mc "Browse"] \
492 -command [cb _new_local_path]
493 grid $args.where_l $args.where_t $args.where_b -sticky ew
494 set w_localpath $args.where_t
496 label $args.type_l -text [mc "Clone Type:"]
497 frame $args.type_f
498 set w_types [list]
499 lappend w_types [radiobutton $args.type_f.hardlink \
500 -state disabled \
501 -anchor w \
502 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
503 -variable @clone_type \
504 -value hardlink]
505 lappend w_types [radiobutton $args.type_f.full \
506 -state disabled \
507 -anchor w \
508 -text [mc "Full Copy (Slower, Redundant Backup)"] \
509 -variable @clone_type \
510 -value full]
511 lappend w_types [radiobutton $args.type_f.shared \
512 -state disabled \
513 -anchor w \
514 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
515 -variable @clone_type \
516 -value shared]
517 foreach r $w_types {
518 pack $r -anchor w
519 }
520 grid $args.type_l $args.type_f -sticky new
522 grid columnconfigure $args 1 -weight 1
524 trace add variable @local_path write [cb _update_clone]
525 trace add variable @origin_url write [cb _update_clone]
526 bind $w_body.h <Destroy> "
527 [list trace remove variable @local_path write [cb _update_clone]]
528 [list trace remove variable @origin_url write [cb _update_clone]]
529 "
530 update
531 focus $args.origin_t
532 }
534 method _open_origin {} {
535 if {$origin_url ne {} && [file isdirectory $origin_url]} {
536 set p $origin_url
537 } else {
538 set p [_home]
539 }
541 set p [tk_chooseDirectory \
542 -initialdir $p \
543 -parent $top \
544 -title [mc "Git Repository"] \
545 -mustexist true]
546 if {$p eq {}} return
548 set p [file normalize $p]
549 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
550 error_popup [mc "Not a Git repository: %s" [file tail $p]]
551 return
552 }
553 set origin_url $p
554 }
556 method _update_clone {args} {
557 if {$local_path ne {} && $origin_url ne {}} {
558 $w_next conf -state normal
559 } else {
560 $w_next conf -state disabled
561 }
563 if {$origin_url ne {} &&
564 ( [_is_git [file join $origin_url .git]]
565 || [_is_git $origin_url])} {
566 set e normal
567 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
568 set clone_type hardlink
569 }
570 } else {
571 set e disabled
572 set clone_type full
573 }
575 foreach r $w_types {
576 $r conf -state $e
577 }
578 }
580 method _do_clone2 {} {
581 if {[file isdirectory $origin_url]} {
582 set origin_url [file normalize $origin_url]
583 }
585 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
586 error_popup [mc "Standard only available for local repository."]
587 return
588 }
589 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
590 error_popup [mc "Shared only available for local repository."]
591 return
592 }
594 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
595 set objdir [_objdir $origin_url]
596 if {$objdir eq {}} {
597 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
598 return
599 }
600 }
602 set giturl $origin_url
603 if {[is_Cygwin] && [file isdirectory $giturl]} {
604 set giturl [exec cygpath --unix --absolute $giturl]
605 if {$clone_type eq {shared}} {
606 set objdir [exec cygpath --unix --absolute $objdir]
607 }
608 }
610 if {[file exists $local_path]} {
611 error_popup [mc "Location %s already exists." $local_path]
612 return
613 }
615 if {![_git_init $this]} return
616 set local_path [pwd]
618 if {[catch {
619 git config remote.$origin_name.url $giturl
620 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
621 } err]} {
622 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
623 return
624 }
626 destroy $w_body $w_next
628 switch -exact -- $clone_type {
629 hardlink {
630 set o_cons [status_bar::two_line $w_body]
631 pack $w_body -fill x -padx 10 -pady 10
633 $o_cons start \
634 [mc "Counting objects"] \
635 [mc "buckets"]
636 update
638 if {[file exists [file join $objdir info alternates]]} {
639 set pwd [pwd]
640 if {[catch {
641 file mkdir [gitdir objects info]
642 set f_in [open [file join $objdir info alternates] r]
643 set f_cp [open [gitdir objects info alternates] w]
644 fconfigure $f_in -translation binary -encoding binary
645 fconfigure $f_cp -translation binary -encoding binary
646 cd $objdir
647 while {[gets $f_in line] >= 0} {
648 if {[is_Cygwin]} {
649 puts $f_cp [exec cygpath --unix --absolute $line]
650 } else {
651 puts $f_cp [file normalize $line]
652 }
653 }
654 close $f_in
655 close $f_cp
656 cd $pwd
657 } err]} {
658 catch {cd $pwd}
659 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
660 return
661 }
662 }
664 set tolink [list]
665 set buckets [glob \
666 -tails \
667 -nocomplain \
668 -directory [file join $objdir] ??]
669 set bcnt [expr {[llength $buckets] + 2}]
670 set bcur 1
671 $o_cons update $bcur $bcnt
672 update
674 file mkdir [file join .git objects pack]
675 foreach i [glob -tails -nocomplain \
676 -directory [file join $objdir pack] *] {
677 lappend tolink [file join pack $i]
678 }
679 $o_cons update [incr bcur] $bcnt
680 update
682 foreach i $buckets {
683 file mkdir [file join .git objects $i]
684 foreach j [glob -tails -nocomplain \
685 -directory [file join $objdir $i] *] {
686 lappend tolink [file join $i $j]
687 }
688 $o_cons update [incr bcur] $bcnt
689 update
690 }
691 $o_cons stop
693 if {$tolink eq {}} {
694 info_popup [strcat \
695 [mc "Nothing to clone from %s." $origin_url] \
696 "\n" \
697 [mc "The 'master' branch has not been initialized."] \
698 ]
699 destroy $w_body
700 set done 1
701 return
702 }
704 set i [lindex $tolink 0]
705 if {[catch {
706 file link -hard \
707 [file join .git objects $i] \
708 [file join $objdir $i]
709 } err]} {
710 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
711 set i [_copy_files $this $objdir $tolink]
712 } else {
713 set i [_link_files $this $objdir [lrange $tolink 1 end]]
714 }
715 if {!$i} return
717 destroy $w_body
718 }
719 full {
720 set o_cons [console::embed \
721 $w_body \
722 [mc "Cloning from %s" $origin_url]]
723 pack $w_body -fill both -expand 1 -padx 10
724 $o_cons exec \
725 [list git fetch --no-tags -k $origin_name] \
726 [cb _do_clone_tags]
727 }
728 shared {
729 set fd [open [gitdir objects info alternates] w]
730 fconfigure $fd -translation binary
731 puts $fd $objdir
732 close $fd
733 }
734 }
736 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
737 if {![_clone_refs $this]} return
738 set pwd [pwd]
739 if {[catch {
740 cd $origin_url
741 set HEAD [git rev-parse --verify HEAD^0]
742 } err]} {
743 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
744 return 0
745 }
746 cd $pwd
747 _do_clone_checkout $this $HEAD
748 }
749 }
751 method _copy_files {objdir tocopy} {
752 $o_cons start \
753 [mc "Copying objects"] \
754 [mc "KiB"]
755 set tot 0
756 set cmp 0
757 foreach p $tocopy {
758 incr tot [file size [file join $objdir $p]]
759 }
760 foreach p $tocopy {
761 if {[catch {
762 set f_in [open [file join $objdir $p] r]
763 set f_cp [open [file join .git objects $p] w]
764 fconfigure $f_in -translation binary -encoding binary
765 fconfigure $f_cp -translation binary -encoding binary
767 while {![eof $f_in]} {
768 incr cmp [fcopy $f_in $f_cp -size 16384]
769 $o_cons update \
770 [expr {$cmp / 1024}] \
771 [expr {$tot / 1024}]
772 update
773 }
775 close $f_in
776 close $f_cp
777 } err]} {
778 _clone_failed $this [mc "Unable to copy object: %s" $err]
779 return 0
780 }
781 }
782 return 1
783 }
785 method _link_files {objdir tolink} {
786 set total [llength $tolink]
787 $o_cons start \
788 [mc "Linking objects"] \
789 [mc "objects"]
790 for {set i 0} {$i < $total} {} {
791 set p [lindex $tolink $i]
792 if {[catch {
793 file link -hard \
794 [file join .git objects $p] \
795 [file join $objdir $p]
796 } err]} {
797 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
798 return 0
799 }
801 incr i
802 if {$i % 5 == 0} {
803 $o_cons update $i $total
804 update
805 }
806 }
807 return 1
808 }
810 method _clone_refs {} {
811 set pwd [pwd]
812 if {[catch {cd $origin_url} err]} {
813 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
814 return 0
815 }
816 set fd_in [git_read for-each-ref \
817 --tcl \
818 {--format=list %(refname) %(objectname) %(*objectname)}]
819 cd $pwd
821 set fd [open [gitdir packed-refs] w]
822 fconfigure $fd -translation binary
823 puts $fd "# pack-refs with: peeled"
824 while {[gets $fd_in line] >= 0} {
825 set line [eval $line]
826 set refn [lindex $line 0]
827 set robj [lindex $line 1]
828 set tobj [lindex $line 2]
830 if {[regsub ^refs/heads/ $refn \
831 "refs/remotes/$origin_name/" refn]} {
832 puts $fd "$robj $refn"
833 } elseif {[string match refs/tags/* $refn]} {
834 puts $fd "$robj $refn"
835 if {$tobj ne {}} {
836 puts $fd "^$tobj"
837 }
838 }
839 }
840 close $fd_in
841 close $fd
842 return 1
843 }
845 method _do_clone_tags {ok} {
846 if {$ok} {
847 $o_cons exec \
848 [list git fetch --tags -k $origin_name] \
849 [cb _do_clone_HEAD]
850 } else {
851 $o_cons done $ok
852 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
853 }
854 }
856 method _do_clone_HEAD {ok} {
857 if {$ok} {
858 $o_cons exec \
859 [list git fetch $origin_name HEAD] \
860 [cb _do_clone_full_end]
861 } else {
862 $o_cons done $ok
863 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
864 }
865 }
867 method _do_clone_full_end {ok} {
868 $o_cons done $ok
870 if {$ok} {
871 destroy $w_body
873 set HEAD {}
874 if {[file exists [gitdir FETCH_HEAD]]} {
875 set fd [open [gitdir FETCH_HEAD] r]
876 while {[gets $fd line] >= 0} {
877 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
878 break
879 }
880 }
881 close $fd
882 }
884 catch {git pack-refs}
885 _do_clone_checkout $this $HEAD
886 } else {
887 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
888 }
889 }
891 method _clone_failed {{why {}}} {
892 if {[catch {file delete -force $local_path} err]} {
893 set why [strcat \
894 $why \
895 "\n\n" \
896 [mc "Unable to cleanup %s" $local_path] \
897 "\n\n" \
898 $err]
899 }
900 if {$why ne {}} {
901 update
902 error_popup [strcat [mc "Clone failed."] "\n" $why]
903 }
904 }
906 method _do_clone_checkout {HEAD} {
907 if {$HEAD eq {}} {
908 info_popup [strcat \
909 [mc "No default branch obtained."] \
910 "\n" \
911 [mc "The 'master' branch has not been initialized."] \
912 ]
913 set done 1
914 return
915 }
916 if {[catch {
917 git update-ref HEAD $HEAD^0
918 } err]} {
919 info_popup [strcat \
920 [mc "Cannot resolve %s as a commit." $HEAD^0] \
921 "\n $err" \
922 "\n" \
923 [mc "The 'master' branch has not been initialized."] \
924 ]
925 set done 1
926 return
927 }
929 set o_cons [status_bar::two_line $w_body]
930 pack $w_body -fill x -padx 10 -pady 10
931 $o_cons start \
932 [mc "Creating working directory"] \
933 [mc "files"]
935 set readtree_err {}
936 set fd [git_read --stderr read-tree \
937 -m \
938 -u \
939 -v \
940 HEAD \
941 HEAD \
942 ]
943 fconfigure $fd -blocking 0 -translation binary
944 fileevent $fd readable [cb _readtree_wait $fd]
945 }
947 method _readtree_wait {fd} {
948 set buf [read $fd]
949 $o_cons update_meter $buf
950 append readtree_err $buf
952 fconfigure $fd -blocking 1
953 if {![eof $fd]} {
954 fconfigure $fd -blocking 0
955 return
956 }
958 if {[catch {close $fd}]} {
959 set err $readtree_err
960 regsub {^fatal: } $err {} err
961 error_popup [strcat \
962 [mc "Initial file checkout failed."] \
963 "\n\n$err"]
964 return
965 }
967 set done 1
968 }
970 ######################################################################
971 ##
972 ## Open Existing Repository
974 method _do_open {} {
975 $w_next conf \
976 -state disabled \
977 -command [cb _do_open2] \
978 -text [mc "Open"]
980 frame $w_body
981 label $w_body.h \
982 -font font_uibold \
983 -text [mc "Open Existing Repository"]
984 pack $w_body.h -side top -fill x -pady 10
985 pack $w_body -fill x -padx 10
987 frame $w_body.where
988 label $w_body.where.l -text [mc "Repository:"]
989 entry $w_body.where.t \
990 -textvariable @local_path \
991 -borderwidth 1 \
992 -relief sunken \
993 -width 50
994 button $w_body.where.b \
995 -text [mc "Browse"] \
996 -command [cb _open_local_path]
998 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
999 pack $w_body.where -fill x
1001 trace add variable @local_path write [cb _write_local_path]
1002 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
1003 update
1004 focus $w_body.where.t
1005 }
1007 method _open_local_path {} {
1008 if {$local_path ne {}} {
1009 set p $local_path
1010 } else {
1011 set p [_home]
1012 }
1014 set p [tk_chooseDirectory \
1015 -initialdir $p \
1016 -parent $top \
1017 -title [mc "Git Repository"] \
1018 -mustexist true]
1019 if {$p eq {}} return
1021 set p [file normalize $p]
1022 if {![_is_git [file join $p .git]]} {
1023 error_popup [mc "Not a Git repository: %s" [file tail $p]]
1024 return
1025 }
1026 set local_path $p
1027 }
1029 method _do_open2 {} {
1030 if {![_is_git [file join $local_path .git]]} {
1031 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1032 return
1033 }
1035 if {[catch {cd $local_path} err]} {
1036 error_popup [strcat \
1037 [mc "Failed to open repository %s:" $local_path] \
1038 "\n\n$err"]
1039 return
1040 }
1042 _append_recentrepos [pwd]
1043 set ::_gitdir .git
1044 set ::_prefix {}
1045 set done 1
1046 }
1048 }