Merge branch 'ss/cherry-pick-x-doc' into maint
[git] / git-gui / lib / remote.tcl
1 # git-gui remote management
2 # Copyright (C) 2006, 2007 Shawn Pearce
3
4 set some_heads_tracking 0;  # assume not
5
6 proc is_tracking_branch {name} {
7         global tracking_branches
8         foreach spec $tracking_branches {
9                 set t [lindex $spec 0]
10                 if {$t eq $name || [string match $t $name]} {
11                         return 1
12                 }
13         }
14         return 0
15 }
16
17 proc all_tracking_branches {} {
18         global tracking_branches
19
20         set all [list]
21         set pat [list]
22         set cmd [list]
23
24         foreach spec $tracking_branches {
25                 set dst [lindex $spec 0]
26                 if {[string range $dst end-1 end] eq {/*}} {
27                         lappend pat $spec
28                         lappend cmd [string range $dst 0 end-2]
29                 } else {
30                         lappend all $spec
31                 }
32         }
33
34         if {$pat ne {}} {
35                 set fd [eval git_read for-each-ref --format=%(refname) $cmd]
36                 while {[gets $fd n] > 0} {
37                         foreach spec $pat {
38                                 set dst [string range [lindex $spec 0] 0 end-2]
39                                 set len [string length $dst]
40                                 if {[string equal -length $len $dst $n]} {
41                                         set src [string range [lindex $spec 2] 0 end-2]
42                                         set spec [list \
43                                                 $n \
44                                                 [lindex $spec 1] \
45                                                 $src[string range $n $len end] \
46                                                 ]
47                                         lappend all $spec
48                                 }
49                         }
50                 }
51                 close $fd
52         }
53
54         return [lsort -index 0 -unique $all]
55 }
56
57 proc load_all_remotes {} {
58         global repo_config
59         global all_remotes tracking_branches some_heads_tracking
60         global remote_url
61
62         set some_heads_tracking 0
63         set all_remotes [list]
64         set trck [list]
65
66         set rh_str refs/heads/
67         set rh_len [string length $rh_str]
68         set rm_dir [gitdir remotes]
69         if {[file isdirectory $rm_dir]} {
70                 set all_remotes [glob \
71                         -types f \
72                         -tails \
73                         -nocomplain \
74                         -directory $rm_dir *]
75
76                 foreach name $all_remotes {
77                         catch {
78                                 set fd [open [file join $rm_dir $name] r]
79                                 while {[gets $fd line] >= 0} {
80                                         if {[regexp {^URL:[     ]*(.+)$} $line line url]} {
81                                                 set remote_url($name) $url
82                                                 continue
83                                         }
84                                         if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
85                                                 $line line src dst]} continue
86                                         if {[string index $src 0] eq {+}} {
87                                                 set src [string range $src 1 end]
88                                         }
89                                         if {![string equal -length 5 refs/ $src]} {
90                                                 set src $rh_str$src
91                                         }
92                                         if {![string equal -length 5 refs/ $dst]} {
93                                                 set dst $rh_str$dst
94                                         }
95                                         if {[string equal -length $rh_len $rh_str $dst]} {
96                                                 set some_heads_tracking 1
97                                         }
98                                         lappend trck [list $dst $name $src]
99                                 }
100                                 close $fd
101                         }
102                 }
103         }
104
105         foreach line [array names repo_config remote.*.url] {
106                 if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
107                 lappend all_remotes $name
108                 set remote_url($name) $repo_config(remote.$name.url)
109
110                 if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
111                         set fl {}
112                 }
113                 foreach line $fl {
114                         if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
115                         if {[string index $src 0] eq {+}} {
116                                 set src [string range $src 1 end]
117                         }
118                         if {![string equal -length 5 refs/ $src]} {
119                                 set src $rh_str$src
120                         }
121                         if {![string equal -length 5 refs/ $dst]} {
122                                 set dst $rh_str$dst
123                         }
124                         if {[string equal -length $rh_len $rh_str $dst]} {
125                                 set some_heads_tracking 1
126                         }
127                         lappend trck [list $dst $name $src]
128                 }
129         }
130
131         set tracking_branches [lsort -index 0 -unique $trck]
132         set all_remotes [lsort -unique $all_remotes]
133 }
134
135 proc add_fetch_entry {r} {
136         global repo_config
137         set remote_m .mbar.remote
138         set fetch_m $remote_m.fetch
139         set prune_m $remote_m.prune
140         set remove_m $remote_m.remove
141         set enable 0
142         if {![catch {set a $repo_config(remote.$r.url)}]} {
143                 if {![catch {set a $repo_config(remote.$r.fetch)}]} {
144                         set enable 1
145                 }
146         } else {
147                 catch {
148                         set fd [open [gitdir remotes $r] r]
149                         while {[gets $fd n] >= 0} {
150                                 if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
151                                         set enable 1
152                                         break
153                                 }
154                         }
155                         close $fd
156                 }
157         }
158
159         if {$enable} {
160                 make_sure_remote_submenues_exist $remote_m
161
162                 $fetch_m add command \
163                         -label $r \
164                         -command [list fetch_from $r]
165                 $prune_m add command \
166                         -label $r \
167                         -command [list prune_from $r]
168                 $remove_m add command \
169                         -label $r \
170                         -command [list remove_remote $r]
171         }
172 }
173
174 proc add_push_entry {r} {
175         global repo_config
176         set remote_m .mbar.remote
177         set push_m $remote_m.push
178         set enable 0
179         if {![catch {set a $repo_config(remote.$r.url)}]} {
180                 if {![catch {set a $repo_config(remote.$r.push)}]} {
181                         set enable 1
182                 }
183         } else {
184                 catch {
185                         set fd [open [gitdir remotes $r] r]
186                         while {[gets $fd n] >= 0} {
187                                 if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
188                                         set enable 1
189                                         break
190                                 }
191                         }
192                         close $fd
193                 }
194         }
195
196         if {$enable} {
197                 if {![winfo exists $push_m]} {
198                         menu $push_m
199                         $remote_m insert 0 cascade \
200                                 -label [mc "Push to"] \
201                                 -menu $push_m
202                 }
203
204                 $push_m add command \
205                         -label $r \
206                         -command [list push_to $r]
207         }
208 }
209
210 proc make_sure_remote_submenues_exist {remote_m} {
211         set fetch_m $remote_m.fetch
212         set prune_m $remote_m.prune
213         set remove_m $remote_m.remove
214
215         if {![winfo exists $fetch_m]} {
216                 menu $remove_m
217                 $remote_m insert 0 cascade \
218                         -label [mc "Remove Remote"] \
219                         -menu $remove_m
220
221                 menu $prune_m
222                 $remote_m insert 0 cascade \
223                         -label [mc "Prune from"] \
224                         -menu $prune_m
225
226                 menu $fetch_m
227                 $remote_m insert 0 cascade \
228                         -label [mc "Fetch from"] \
229                         -menu $fetch_m
230         }
231 }
232
233 proc update_all_remotes_menu_entry {} {
234         global all_remotes
235
236         if {[git-version < 1.6.6]} { return }
237
238         set have_remote 0
239         foreach r $all_remotes {
240                 incr have_remote
241         }
242
243         set remote_m .mbar.remote
244         set fetch_m $remote_m.fetch
245         set prune_m $remote_m.prune
246         if {$have_remote > 1} {
247                 make_sure_remote_submenues_exist $remote_m
248                 if {[$fetch_m entrycget end -label] ne "All"} {
249
250                         $fetch_m insert end separator
251                         $fetch_m insert end command \
252                                 -label "All" \
253                                 -command fetch_from_all
254
255                         $prune_m insert end separator
256                         $prune_m insert end command \
257                                 -label "All" \
258                                 -command prune_from_all
259                 }
260         } else {
261                 if {[winfo exists $fetch_m]} {
262                         if {[$fetch_m entrycget end -label] eq "All"} {
263
264                                 delete_from_menu $fetch_m end
265                                 delete_from_menu $fetch_m end
266
267                                 delete_from_menu $prune_m end
268                                 delete_from_menu $prune_m end
269                         }
270                 }
271         }
272 }
273
274 proc populate_remotes_menu {} {
275         global all_remotes
276
277         foreach r $all_remotes {
278                 add_fetch_entry $r
279                 add_push_entry $r
280         }
281
282         update_all_remotes_menu_entry
283 }
284
285 proc add_single_remote {name location} {
286         global all_remotes repo_config
287         lappend all_remotes $name
288
289         git remote add $name $location
290
291         # XXX: Better re-read the config so that we will never get out
292         # of sync with git remote implementation?
293         set repo_config(remote.$name.url) $location
294         set repo_config(remote.$name.fetch) "+refs/heads/*:refs/remotes/$name/*"
295
296         add_fetch_entry $name
297         add_push_entry $name
298
299         update_all_remotes_menu_entry
300 }
301
302 proc delete_from_menu {menu name} {
303         if {[winfo exists $menu]} {
304                 $menu delete $name
305         }
306 }
307
308 proc remove_remote {name} {
309         global all_remotes repo_config
310
311         git remote rm $name
312
313         catch {
314                 # Missing values are ok
315                 unset repo_config(remote.$name.url)
316                 unset repo_config(remote.$name.fetch)
317                 unset repo_config(remote.$name.push)
318         }
319
320         set i [lsearch -exact $all_remotes $name]
321         set all_remotes [lreplace $all_remotes $i $i]
322
323         set remote_m .mbar.remote
324         delete_from_menu $remote_m.fetch $name
325         delete_from_menu $remote_m.prune $name
326         delete_from_menu $remote_m.remove $name
327         # Not all remotes are in the push menu
328         catch { delete_from_menu $remote_m.push $name }
329
330         update_all_remotes_menu_entry
331 }