1# git-gui Git repository chooser
2# Copyright (C) 2007 Shawn Pearce
3
4class choose_repository {
5
6field top
7field w
8field w_body ; # Widget holding the center content
9field w_next ; # Next button
10field w_quit ; # Quit button
11field o_cons ; # Console object (if active)
12field w_types ; # List of type buttons in clone
13field w_recentlist ; # Listbox containing recent repositories
14field w_localpath ; # Entry widget bound to local_path
15
16field done 0 ; # Finished picking the repository?
17field local_path {} ; # Where this repository is locally
18field origin_url {} ; # Where we are cloning from
19field origin_name origin ; # What we shall call 'origin'
20field clone_type hardlink ; # Type of clone to construct
21field recursive true ; # Recursive cloning flag
22field readtree_err ; # Error output from read-tree (if any)
23field sorted_recent ; # recent repositories (sorted)
24
25constructor pick {} {
26 global M1T M1B use_ttk NS
27
28 if {[set maxrecent [get_config gui.maxrecentrepo]] eq {}} {
29 set maxrecent 10
30 }
31
32 make_dialog top w
33 wm title $top [mc "Git Gui"]
34
35 if {$top eq {.}} {
36 menu $w.mbar -tearoff 0
37 $top configure -menu $w.mbar
38
39 set m_repo $w.mbar.repository
40 $w.mbar add cascade \
41 -label [mc Repository] \
42 -menu $m_repo
43 menu $m_repo
44
45 if {[is_MacOSX]} {
46 $w.mbar add cascade -label Apple -menu .mbar.apple
47 menu $w.mbar.apple
48 $w.mbar.apple add command \
49 -label [mc "About %s" [appname]] \
50 -command do_about
51 $w.mbar.apple add command \
52 -label [mc "Show SSH Key"] \
53 -command do_ssh_key
54 } else {
55 $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
56 menu $w.mbar.help
57 $w.mbar.help add command \
58 -label [mc "About %s" [appname]] \
59 -command do_about
60 $w.mbar.help add command \
61 -label [mc "Show SSH Key"] \
62 -command do_ssh_key
63 }
64
65 wm protocol $top WM_DELETE_WINDOW exit
66 bind $top <$M1B-q> exit
67 bind $top <$M1B-Q> exit
68 bind $top <Key-Escape> exit
69 } else {
70 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
71 bind $top <Key-Escape> [list destroy $top]
72 set m_repo {}
73 }
74
75 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
76
77 set w_body $w.body
78 set opts $w_body.options
79 ${NS}::frame $w_body
80 text $opts \
81 -cursor $::cursor_ptr \
82 -relief flat \
83 -background [get_bg_color $w_body] \
84 -wrap none \
85 -spacing1 5 \
86 -width 50 \
87 -height 3
88 pack $opts -anchor w -fill x
89
90 $opts tag conf link_new -foreground blue -underline 1
91 $opts tag bind link_new <1> [cb _next new]
92 $opts insert end [mc "Create New Repository"] link_new
93 $opts insert end "\n"
94 if {$m_repo ne {}} {
95 $m_repo add command \
96 -command [cb _next new] \
97 -accelerator $M1T-N \
98 -label [mc "New..."]
99 bind $top <$M1B-n> [cb _next new]
100 bind $top <$M1B-N> [cb _next new]
101 }
102
103 $opts tag conf link_clone -foreground blue -underline 1
104 $opts tag bind link_clone <1> [cb _next clone]
105 $opts insert end [mc "Clone Existing Repository"] link_clone
106 $opts insert end "\n"
107 if {$m_repo ne {}} {
108 if {[tk windowingsystem] eq "win32"} {
109 set key L
110 } else {
111 set key C
112 }
113 $m_repo add command \
114 -command [cb _next clone] \
115 -accelerator $M1T-$key \
116 -label [mc "Clone..."]
117 bind $top <$M1B-[string tolower $key]> [cb _next clone]
118 bind $top <$M1B-[string toupper $key]> [cb _next clone]
119 }
120
121 $opts tag conf link_open -foreground blue -underline 1
122 $opts tag bind link_open <1> [cb _next open]
123 $opts insert end [mc "Open Existing Repository"] link_open
124 $opts insert end "\n"
125 if {$m_repo ne {}} {
126 $m_repo add command \
127 -command [cb _next open] \
128 -accelerator $M1T-O \
129 -label [mc "Open..."]
130 bind $top <$M1B-o> [cb _next open]
131 bind $top <$M1B-O> [cb _next open]
132 }
133
134 $opts conf -state disabled
135
136 set sorted_recent [_get_recentrepos]
137 if {[llength $sorted_recent] > 0} {
138 if {$m_repo ne {}} {
139 $m_repo add separator
140 $m_repo add command \
141 -state disabled \
142 -label [mc "Recent Repositories"]
143 }
144
145 if {[set lenrecent [llength $sorted_recent]] < $maxrecent} {
146 set lenrecent $maxrecent
147 }
148
149 ${NS}::label $w_body.space
150 ${NS}::label $w_body.recentlabel \
151 -anchor w \
152 -text [mc "Open Recent Repository:"]
153 set w_recentlist $w_body.recentlist
154 text $w_recentlist \
155 -cursor $::cursor_ptr \
156 -relief flat \
157 -background [get_bg_color $w_body.recentlabel] \
158 -wrap none \
159 -width 50 \
160 -height $lenrecent
161 $w_recentlist tag conf link \
162 -foreground blue \
163 -underline 1
164 set home $::env(HOME)
165 if {[is_Cygwin]} {
166 set home [exec cygpath --windows --absolute $home]
167 }
168 set home "[file normalize $home]/"
169 set hlen [string length $home]
170 foreach p $sorted_recent {
171 set path $p
172 if {[string equal -length $hlen $home $p]} {
173 set p "~/[string range $p $hlen end]"
174 }
175 regsub -all "\n" $p "\\n" p
176 $w_recentlist insert end $p link
177 $w_recentlist insert end "\n"
178
179 if {$m_repo ne {}} {
180 $m_repo add command \
181 -command [cb _open_recent_path $path] \
182 -label " $p"
183 }
184 }
185 $w_recentlist conf -state disabled
186 $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
187 pack $w_body.space -anchor w -fill x
188 pack $w_body.recentlabel -anchor w -fill x
189 pack $w_recentlist -anchor w -fill x
190 }
191 pack $w_body -fill x -padx 10 -pady 10
192
193 ${NS}::frame $w.buttons
194 set w_next $w.buttons.next
195 set w_quit $w.buttons.quit
196 ${NS}::button $w_quit \
197 -text [mc "Quit"] \
198 -command exit
199 pack $w_quit -side right -padx 5
200 pack $w.buttons -side bottom -fill x -padx 10 -pady 10
201
202 if {$m_repo ne {}} {
203 $m_repo add separator
204 $m_repo add command \
205 -label [mc Quit] \
206 -command exit \
207 -accelerator $M1T-Q
208 }
209
210 bind $top <Return> [cb _invoke_next]
211 bind $top <Visibility> "
212 [cb _center]
213 grab $top
214 focus $top
215 bind $top <Visibility> {}
216 "
217 wm deiconify $top
218 tkwait variable @done
219
220 grab release $top
221 if {$top eq {.}} {
222 eval destroy [winfo children $top]
223 }
224}
225
226method _center {} {
227 set nx [winfo reqwidth $top]
228 set ny [winfo reqheight $top]
229 set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
230 set ry [expr {([winfo screenheight $top] - $ny) / 3}]
231 wm geometry $top [format {+%d+%d} $rx $ry]
232}
233
234method _invoke_next {} {
235 if {[winfo exists $w_next]} {
236 uplevel #0 [$w_next cget -command]
237 }
238}
239
240proc _get_recentrepos {} {
241 set recent [list]
242 foreach p [lsort -unique [get_config gui.recentrepo]] {
243 if {[_is_git [file join $p .git]]} {
244 lappend recent $p
245 } else {
246 _unset_recentrepo $p
247 }
248 }
249 return $recent
250}
251
252proc _unset_recentrepo {p} {
253 regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
254 catch {git config --global --unset-all gui.recentrepo "^$p\$"}
255 load_config 1
256}
257
258proc _append_recentrepos {path} {
259 set path [file normalize $path]
260 set recent [get_config gui.recentrepo]
261
262 if {[lindex $recent end] eq $path} {
263 return
264 }
265
266 set i [lsearch $recent $path]
267 if {$i >= 0} {
268 _unset_recentrepo $path
269 }
270
271 git config --global --add gui.recentrepo $path
272 load_config 1
273 set recent [get_config gui.recentrepo]
274
275 if {[set maxrecent [get_config gui.maxrecentrepo]] eq {}} {
276 set maxrecent 10
277 }
278
279 while {[llength $recent] > $maxrecent} {
280 _unset_recentrepo [lindex $recent 0]
281 set recent [get_config gui.recentrepo]
282 }
283}
284
285method _open_recent {xy} {
286 set id [lindex [split [$w_recentlist index @$xy] .] 0]
287 set local_path [lindex $sorted_recent [expr {$id - 1}]]
288 _do_open2 $this
289}
290
291method _open_recent_path {p} {
292 set local_path $p
293 _do_open2 $this
294}
295
296method _next {action} {
297 global NS
298 destroy $w_body
299 if {![winfo exists $w_next]} {
300 ${NS}::button $w_next -default active
301 set pos -before
302 if {[tk windowingsystem] eq "win32"} { set pos -after }
303 pack $w_next -side right -padx 5 $pos $w_quit
304 }
305 _do_$action $this
306}
307
308method _write_local_path {args} {
309 if {$local_path eq {}} {
310 $w_next conf -state disabled
311 } else {
312 $w_next conf -state normal
313 }
314}
315
316method _git_init {} {
317 if {[catch {file mkdir $local_path} err]} {
318 error_popup [strcat \
319 [mc "Failed to create repository %s:" $local_path] \
320 "\n\n$err"]
321 return 0
322 }
323
324 if {[catch {cd $local_path} err]} {
325 error_popup [strcat \
326 [mc "Failed to create repository %s:" $local_path] \
327 "\n\n$err"]
328 return 0
329 }
330
331 if {[catch {git init} err]} {
332 error_popup [strcat \
333 [mc "Failed to create repository %s:" $local_path] \
334 "\n\n$err"]
335 return 0
336 }
337
338 _append_recentrepos [pwd]
339 set ::_gitdir .git
340 set ::_prefix {}
341 return 1
342}
343
344proc _is_git {path {outdir_var ""}} {
345 if {$outdir_var ne ""} {
346 upvar 1 $outdir_var outdir
347 }
348 if {[file isfile $path]} {
349 set fp [open $path r]
350 gets $fp line
351 close $fp
352 if {[regexp "^gitdir: (.+)$" $line line link_target]} {
353 set path [file join [file dirname $path] $link_target]
354 set path [file normalize $path]
355 }
356 }
357
358 if {[file exists [file join $path HEAD]]
359 && [file exists [file join $path objects]]
360 && [file exists [file join $path config]]} {
361 set outdir $path
362 return 1
363 }
364 if {[is_Cygwin]} {
365 if {[file exists [file join $path HEAD]]
366 && [file exists [file join $path objects.lnk]]
367 && [file exists [file join $path config.lnk]]} {
368 set outdir $path
369 return 1
370 }
371 }
372 return 0
373}
374
375proc _objdir {path} {
376 set objdir [file join $path .git objects]
377 if {[file isdirectory $objdir]} {
378 return $objdir
379 }
380
381 set objdir [file join $path objects]
382 if {[file isdirectory $objdir]} {
383 return $objdir
384 }
385
386 if {[is_Cygwin]} {
387 set objdir [file join $path .git objects.lnk]
388 if {[file isfile $objdir]} {
389 return [win32_read_lnk $objdir]
390 }
391
392 set objdir [file join $path objects.lnk]
393 if {[file isfile $objdir]} {
394 return [win32_read_lnk $objdir]
395 }
396 }
397
398 return {}
399}
400
401######################################################################
402##
403## Create New Repository
404
405method _do_new {} {
406 global use_ttk NS
407 $w_next conf \
408 -state disabled \
409 -command [cb _do_new2] \
410 -text [mc "Create"]
411
412 ${NS}::frame $w_body
413 ${NS}::label $w_body.h \
414 -font font_uibold -anchor center \
415 -text [mc "Create New Repository"]
416 pack $w_body.h -side top -fill x -pady 10
417 pack $w_body -fill x -padx 10
418
419 ${NS}::frame $w_body.where
420 ${NS}::label $w_body.where.l -text [mc "Directory:"]
421 ${NS}::entry $w_body.where.t \
422 -textvariable @local_path \
423 -width 50
424 ${NS}::button $w_body.where.b \
425 -text [mc "Browse"] \
426 -command [cb _new_local_path]
427 set w_localpath $w_body.where.t
428
429 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
430 pack $w_body.where -fill x
431
432 grid columnconfigure $w_body.where 1 -weight 1
433
434 trace add variable @local_path write [cb _write_local_path]
435 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
436 update
437 focus $w_body.where.t
438}
439
440method _new_local_path {} {
441 if {$local_path ne {}} {
442 set p [file dirname $local_path]
443 } else {
444 set p [pwd]
445 }
446
447 set p [tk_chooseDirectory \
448 -initialdir $p \
449 -parent $top \
450 -title [mc "Git Repository"] \
451 -mustexist false]
452 if {$p eq {}} return
453
454 set p [file normalize $p]
455 if {![_new_ok $p]} {
456 return
457 }
458 set local_path $p
459 $w_localpath icursor end
460}
461
462method _do_new2 {} {
463 if {![_new_ok $local_path]} {
464 return
465 }
466 if {![_git_init $this]} {
467 return
468 }
469 set done 1
470}
471
472proc _new_ok {p} {
473 if {[file isdirectory $p]} {
474 if {[_is_git [file join $p .git]]} {
475 error_popup [mc "Directory %s already exists." $p]
476 return 0
477 }
478 } elseif {[file exists $p]} {
479 error_popup [mc "File %s already exists." $p]
480 return 0
481 }
482 return 1
483}
484
485######################################################################
486##
487## Clone Existing Repository
488
489method _do_clone {} {
490 global use_ttk NS
491 $w_next conf \
492 -state disabled \
493 -command [cb _do_clone2] \
494 -text [mc "Clone"]
495
496 ${NS}::frame $w_body
497 ${NS}::label $w_body.h \
498 -font font_uibold -anchor center \
499 -text [mc "Clone Existing Repository"]
500 pack $w_body.h -side top -fill x -pady 10
501 pack $w_body -fill x -padx 10
502
503 set args $w_body.args
504 ${NS}::frame $w_body.args
505 pack $args -fill both
506
507 ${NS}::label $args.origin_l -text [mc "Source Location:"]
508 ${NS}::entry $args.origin_t \
509 -textvariable @origin_url \
510 -width 50
511 ${NS}::button $args.origin_b \
512 -text [mc "Browse"] \
513 -command [cb _open_origin]
514 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
515
516 ${NS}::label $args.where_l -text [mc "Target Directory:"]
517 ${NS}::entry $args.where_t \
518 -textvariable @local_path \
519 -width 50
520 ${NS}::button $args.where_b \
521 -text [mc "Browse"] \
522 -command [cb _new_local_path]
523 grid $args.where_l $args.where_t $args.where_b -sticky ew
524 set w_localpath $args.where_t
525
526 ${NS}::label $args.type_l -text [mc "Clone Type:"]
527 ${NS}::frame $args.type_f
528 set w_types [list]
529 lappend w_types [${NS}::radiobutton $args.type_f.hardlink \
530 -state disabled \
531 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
532 -variable @clone_type \
533 -value hardlink]
534 lappend w_types [${NS}::radiobutton $args.type_f.full \
535 -state disabled \
536 -text [mc "Full Copy (Slower, Redundant Backup)"] \
537 -variable @clone_type \
538 -value full]
539 lappend w_types [${NS}::radiobutton $args.type_f.shared \
540 -state disabled \
541 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
542 -variable @clone_type \
543 -value shared]
544 foreach r $w_types {
545 pack $r -anchor w
546 }
547 ${NS}::checkbutton $args.type_f.recursive \
548 -text [mc "Recursively clone submodules too"] \
549 -variable @recursive \
550 -onvalue true -offvalue false
551 pack $args.type_f.recursive -anchor w
552 grid $args.type_l $args.type_f -sticky new
553
554 grid columnconfigure $args 1 -weight 1
555
556 trace add variable @local_path write [cb _update_clone]
557 trace add variable @origin_url write [cb _update_clone]
558 bind $w_body.h <Destroy> "
559 [list trace remove variable @local_path write [cb _update_clone]]
560 [list trace remove variable @origin_url write [cb _update_clone]]
561 "
562 update
563 focus $args.origin_t
564}
565
566method _open_origin {} {
567 if {$origin_url ne {} && [file isdirectory $origin_url]} {
568 set p $origin_url
569 } else {
570 set p [pwd]
571 }
572
573 set p [tk_chooseDirectory \
574 -initialdir $p \
575 -parent $top \
576 -title [mc "Git Repository"] \
577 -mustexist true]
578 if {$p eq {}} return
579
580 set p [file normalize $p]
581 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
582 error_popup [mc "Not a Git repository: %s" [file tail $p]]
583 return
584 }
585 set origin_url $p
586}
587
588method _update_clone {args} {
589 if {$local_path ne {} && $origin_url ne {}} {
590 $w_next conf -state normal
591 } else {
592 $w_next conf -state disabled
593 }
594
595 if {$origin_url ne {} &&
596 ( [_is_git [file join $origin_url .git]]
597 || [_is_git $origin_url])} {
598 set e normal
599 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
600 set clone_type hardlink
601 }
602 } else {
603 set e disabled
604 set clone_type full
605 }
606
607 foreach r $w_types {
608 $r conf -state $e
609 }
610}
611
612method _do_clone2 {} {
613 if {[file isdirectory $origin_url]} {
614 set origin_url [file normalize $origin_url]
615 }
616
617 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
618 error_popup [mc "Standard only available for local repository."]
619 return
620 }
621 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
622 error_popup [mc "Shared only available for local repository."]
623 return
624 }
625
626 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
627 set objdir [_objdir $origin_url]
628 if {$objdir eq {}} {
629 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
630 return
631 }
632 }
633
634 set giturl $origin_url
635 if {[is_Cygwin] && [file isdirectory $giturl]} {
636 set giturl [exec cygpath --unix --absolute $giturl]
637 if {$clone_type eq {shared}} {
638 set objdir [exec cygpath --unix --absolute $objdir]
639 }
640 }
641
642 if {[file exists $local_path]} {
643 error_popup [mc "Location %s already exists." $local_path]
644 return
645 }
646
647 if {![_git_init $this]} return
648 set local_path [pwd]
649
650 if {[catch {
651 git config remote.$origin_name.url $giturl
652 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
653 } err]} {
654 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
655 return
656 }
657
658 destroy $w_body $w_next
659
660 switch -exact -- $clone_type {
661 hardlink {
662 set o_cons [status_bar::two_line $w_body]
663 pack $w_body -fill x -padx 10 -pady 10
664
665 $o_cons start \
666 [mc "Counting objects"] \
667 [mc "buckets"]
668 update
669
670 if {[file exists [file join $objdir info alternates]]} {
671 set pwd [pwd]
672 if {[catch {
673 file mkdir [gitdir objects info]
674 set f_in [open [file join $objdir info alternates] r]
675 set f_cp [open [gitdir objects info alternates] w]
676 fconfigure $f_in -translation binary -encoding binary
677 fconfigure $f_cp -translation binary -encoding binary
678 cd $objdir
679 while {[gets $f_in line] >= 0} {
680 if {[is_Cygwin]} {
681 puts $f_cp [exec cygpath --unix --absolute $line]
682 } else {
683 puts $f_cp [file normalize $line]
684 }
685 }
686 close $f_in
687 close $f_cp
688 cd $pwd
689 } err]} {
690 catch {cd $pwd}
691 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
692 return
693 }
694 }
695
696 set tolink [list]
697 set buckets [glob \
698 -tails \
699 -nocomplain \
700 -directory [file join $objdir] ??]
701 set bcnt [expr {[llength $buckets] + 2}]
702 set bcur 1
703 $o_cons update $bcur $bcnt
704 update
705
706 file mkdir [file join .git objects pack]
707 foreach i [glob -tails -nocomplain \
708 -directory [file join $objdir pack] *] {
709 lappend tolink [file join pack $i]
710 }
711 $o_cons update [incr bcur] $bcnt
712 update
713
714 foreach i $buckets {
715 file mkdir [file join .git objects $i]
716 foreach j [glob -tails -nocomplain \
717 -directory [file join $objdir $i] *] {
718 lappend tolink [file join $i $j]
719 }
720 $o_cons update [incr bcur] $bcnt
721 update
722 }
723 $o_cons stop
724
725 if {$tolink eq {}} {
726 info_popup [strcat \
727 [mc "Nothing to clone from %s." $origin_url] \
728 "\n" \
729 [mc "The 'master' branch has not been initialized."] \
730 ]
731 destroy $w_body
732 set done 1
733 return
734 }
735
736 set i [lindex $tolink 0]
737 if {[catch {
738 file link -hard \
739 [file join .git objects $i] \
740 [file join $objdir $i]
741 } err]} {
742 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
743 set i [_copy_files $this $objdir $tolink]
744 } else {
745 set i [_link_files $this $objdir [lrange $tolink 1 end]]
746 }
747 if {!$i} return
748
749 destroy $w_body
750 }
751 full {
752 set o_cons [console::embed \
753 $w_body \
754 [mc "Cloning from %s" $origin_url]]
755 pack $w_body -fill both -expand 1 -padx 10
756 $o_cons exec \
757 [list git fetch --no-tags -k $origin_name] \
758 [cb _do_clone_tags]
759 }
760 shared {
761 set fd [open [gitdir objects info alternates] w]
762 fconfigure $fd -translation binary
763 puts $fd $objdir
764 close $fd
765 }
766 }
767
768 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
769 if {![_clone_refs $this]} return
770 set pwd [pwd]
771 if {[catch {
772 cd $origin_url
773 set HEAD [git rev-parse --verify HEAD^0]
774 } err]} {
775 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
776 return 0
777 }
778 cd $pwd
779 _do_clone_checkout $this $HEAD
780 }
781}
782
783method _copy_files {objdir tocopy} {
784 $o_cons start \
785 [mc "Copying objects"] \
786 [mc "KiB"]
787 set tot 0
788 set cmp 0
789 foreach p $tocopy {
790 incr tot [file size [file join $objdir $p]]
791 }
792 foreach p $tocopy {
793 if {[catch {
794 set f_in [open [file join $objdir $p] r]
795 set f_cp [open [file join .git objects $p] w]
796 fconfigure $f_in -translation binary -encoding binary
797 fconfigure $f_cp -translation binary -encoding binary
798
799 while {![eof $f_in]} {
800 incr cmp [fcopy $f_in $f_cp -size 16384]
801 $o_cons update \
802 [expr {$cmp / 1024}] \
803 [expr {$tot / 1024}]
804 update
805 }
806
807 close $f_in
808 close $f_cp
809 } err]} {
810 _clone_failed $this [mc "Unable to copy object: %s" $err]
811 return 0
812 }
813 }
814 return 1
815}
816
817method _link_files {objdir tolink} {
818 set total [llength $tolink]
819 $o_cons start \
820 [mc "Linking objects"] \
821 [mc "objects"]
822 for {set i 0} {$i < $total} {} {
823 set p [lindex $tolink $i]
824 if {[catch {
825 file link -hard \
826 [file join .git objects $p] \
827 [file join $objdir $p]
828 } err]} {
829 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
830 return 0
831 }
832
833 incr i
834 if {$i % 5 == 0} {
835 $o_cons update $i $total
836 update
837 }
838 }
839 return 1
840}
841
842method _clone_refs {} {
843 set pwd [pwd]
844 if {[catch {cd $origin_url} err]} {
845 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
846 return 0
847 }
848 set fd_in [git_read for-each-ref \
849 --tcl \
850 {--format=list %(refname) %(objectname) %(*objectname)}]
851 cd $pwd
852
853 set fd [open [gitdir packed-refs] w]
854 fconfigure $fd -translation binary
855 puts $fd "# pack-refs with: peeled"
856 while {[gets $fd_in line] >= 0} {
857 set line [eval $line]
858 set refn [lindex $line 0]
859 set robj [lindex $line 1]
860 set tobj [lindex $line 2]
861
862 if {[regsub ^refs/heads/ $refn \
863 "refs/remotes/$origin_name/" refn]} {
864 puts $fd "$robj $refn"
865 } elseif {[string match refs/tags/* $refn]} {
866 puts $fd "$robj $refn"
867 if {$tobj ne {}} {
868 puts $fd "^$tobj"
869 }
870 }
871 }
872 close $fd_in
873 close $fd
874 return 1
875}
876
877method _do_clone_tags {ok} {
878 if {$ok} {
879 $o_cons exec \
880 [list git fetch --tags -k $origin_name] \
881 [cb _do_clone_HEAD]
882 } else {
883 $o_cons done $ok
884 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
885 }
886}
887
888method _do_clone_HEAD {ok} {
889 if {$ok} {
890 $o_cons exec \
891 [list git fetch $origin_name HEAD] \
892 [cb _do_clone_full_end]
893 } else {
894 $o_cons done $ok
895 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
896 }
897}
898
899method _do_clone_full_end {ok} {
900 $o_cons done $ok
901
902 if {$ok} {
903 destroy $w_body
904
905 set HEAD {}
906 if {[file exists [gitdir FETCH_HEAD]]} {
907 set fd [open [gitdir FETCH_HEAD] r]
908 while {[gets $fd line] >= 0} {
909 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
910 break
911 }
912 }
913 close $fd
914 }
915
916 catch {git pack-refs}
917 _do_clone_checkout $this $HEAD
918 } else {
919 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
920 }
921}
922
923method _clone_failed {{why {}}} {
924 if {[catch {file delete -force $local_path} err]} {
925 set why [strcat \
926 $why \
927 "\n\n" \
928 [mc "Unable to cleanup %s" $local_path] \
929 "\n\n" \
930 $err]
931 }
932 if {$why ne {}} {
933 update
934 error_popup [strcat [mc "Clone failed."] "\n" $why]
935 }
936}
937
938method _do_clone_checkout {HEAD} {
939 if {$HEAD eq {}} {
940 info_popup [strcat \
941 [mc "No default branch obtained."] \
942 "\n" \
943 [mc "The 'master' branch has not been initialized."] \
944 ]
945 set done 1
946 return
947 }
948 if {[catch {
949 git update-ref HEAD $HEAD^0
950 } err]} {
951 info_popup [strcat \
952 [mc "Cannot resolve %s as a commit." $HEAD^0] \
953 "\n $err" \
954 "\n" \
955 [mc "The 'master' branch has not been initialized."] \
956 ]
957 set done 1
958 return
959 }
960
961 set o_cons [status_bar::two_line $w_body]
962 pack $w_body -fill x -padx 10 -pady 10
963 $o_cons start \
964 [mc "Creating working directory"] \
965 [mc "files"]
966
967 set readtree_err {}
968 set fd [git_read --stderr read-tree \
969 -m \
970 -u \
971 -v \
972 HEAD \
973 HEAD \
974 ]
975 fconfigure $fd -blocking 0 -translation binary
976 fileevent $fd readable [cb _readtree_wait $fd]
977}
978
979method _do_validate_submodule_cloning {ok} {
980 if {$ok} {
981 $o_cons done $ok
982 set done 1
983 } else {
984 _clone_failed $this [mc "Cannot clone submodules."]
985 }
986}
987
988method _do_clone_submodules {} {
989 if {$recursive eq {true}} {
990 destroy $w_body
991 set o_cons [console::embed \
992 $w_body \
993 [mc "Cloning submodules"]]
994 pack $w_body -fill both -expand 1 -padx 10
995 $o_cons exec \
996 [list git submodule update --init --recursive] \
997 [cb _do_validate_submodule_cloning]
998 } else {
999 set done 1
1000 }
1001}
1002
1003method _readtree_wait {fd} {
1004 set buf [read $fd]
1005 $o_cons update_meter $buf
1006 append readtree_err $buf
1007
1008 fconfigure $fd -blocking 1
1009 if {![eof $fd]} {
1010 fconfigure $fd -blocking 0
1011 return
1012 }
1013
1014 if {[catch {close $fd}]} {
1015 set err $readtree_err
1016 regsub {^fatal: } $err {} err
1017 error_popup [strcat \
1018 [mc "Initial file checkout failed."] \
1019 "\n\n$err"]
1020 return
1021 }
1022
1023 # -- Run the post-checkout hook.
1024 #
1025 set fd_ph [githook_read post-checkout [string repeat 0 40] \
1026 [git rev-parse HEAD] 1]
1027 if {$fd_ph ne {}} {
1028 global pch_error
1029 set pch_error {}
1030 fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1031 fileevent $fd_ph readable [cb _postcheckout_wait $fd_ph]
1032 } else {
1033 _do_clone_submodules $this
1034 }
1035}
1036
1037method _postcheckout_wait {fd_ph} {
1038 global pch_error
1039
1040 append pch_error [read $fd_ph]
1041 fconfigure $fd_ph -blocking 1
1042 if {[eof $fd_ph]} {
1043 if {[catch {close $fd_ph}]} {
1044 hook_failed_popup post-checkout $pch_error 0
1045 }
1046 unset pch_error
1047 _do_clone_submodules $this
1048 return
1049 }
1050 fconfigure $fd_ph -blocking 0
1051}
1052
1053######################################################################
1054##
1055## Open Existing Repository
1056
1057method _do_open {} {
1058 global NS
1059 $w_next conf \
1060 -state disabled \
1061 -command [cb _do_open2] \
1062 -text [mc "Open"]
1063
1064 ${NS}::frame $w_body
1065 ${NS}::label $w_body.h \
1066 -font font_uibold -anchor center \
1067 -text [mc "Open Existing Repository"]
1068 pack $w_body.h -side top -fill x -pady 10
1069 pack $w_body -fill x -padx 10
1070
1071 ${NS}::frame $w_body.where
1072 ${NS}::label $w_body.where.l -text [mc "Repository:"]
1073 ${NS}::entry $w_body.where.t \
1074 -textvariable @local_path \
1075 -width 50
1076 ${NS}::button $w_body.where.b \
1077 -text [mc "Browse"] \
1078 -command [cb _open_local_path]
1079
1080 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
1081 pack $w_body.where -fill x
1082
1083 grid columnconfigure $w_body.where 1 -weight 1
1084
1085 trace add variable @local_path write [cb _write_local_path]
1086 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
1087 update
1088 focus $w_body.where.t
1089}
1090
1091method _open_local_path {} {
1092 if {$local_path ne {}} {
1093 set p $local_path
1094 } else {
1095 set p [pwd]
1096 }
1097
1098 set p [tk_chooseDirectory \
1099 -initialdir $p \
1100 -parent $top \
1101 -title [mc "Git Repository"] \
1102 -mustexist true]
1103 if {$p eq {}} return
1104
1105 set p [file normalize $p]
1106 if {![_is_git [file join $p .git]]} {
1107 error_popup [mc "Not a Git repository: %s" [file tail $p]]
1108 return
1109 }
1110 set local_path $p
1111}
1112
1113method _do_open2 {} {
1114 if {![_is_git [file join $local_path .git] actualgit]} {
1115 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1116 return
1117 }
1118
1119 if {[catch {cd $local_path} err]} {
1120 error_popup [strcat \
1121 [mc "Failed to open repository %s:" $local_path] \
1122 "\n\n$err"]
1123 return
1124 }
1125
1126 _append_recentrepos [pwd]
1127 set ::_gitdir $actualgit
1128 set ::_prefix {}
1129 set done 1
1130}
1131
1132}