Merge branch 'maint'
[git] / lib / remote_branch_delete.tcl
1 # git-gui remote branch deleting support
2 # Copyright (C) 2007 Shawn Pearce
3
4 class remote_branch_delete {
5
6 field w
7 field head_m
8
9 field urltype   {url}
10 field remote    {}
11 field url       {}
12
13 field checktype  {head}
14 field check_head {}
15
16 field status    {}
17 field idle_id   {}
18 field full_list {}
19 field head_list {}
20 field active_ls {}
21 field head_cache
22 field full_cache
23 field cached
24
25 constructor dialog {} {
26         global all_remotes M1B
27
28         make_toplevel top w
29         wm title $top "[appname] ([reponame]): Delete Remote Branch"
30         if {$top ne {.}} {
31                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
32         }
33
34         label $w.header -text {Delete Remote Branch} -font font_uibold
35         pack $w.header -side top -fill x
36
37         frame $w.buttons
38         button $w.buttons.delete -text Delete \
39                 -default active \
40                 -command [cb _delete]
41         pack $w.buttons.delete -side right
42         button $w.buttons.cancel -text {Cancel} \
43                 -command [list destroy $w]
44         pack $w.buttons.cancel -side right -padx 5
45         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
46
47         labelframe $w.dest -text {From Repository}
48         if {$all_remotes ne {}} {
49                 radiobutton $w.dest.remote_r \
50                         -text {Remote:} \
51                         -value remote \
52                         -variable @urltype
53                 eval tk_optionMenu $w.dest.remote_m @remote $all_remotes
54                 grid $w.dest.remote_r $w.dest.remote_m -sticky w
55                 if {[lsearch -sorted -exact $all_remotes origin] != -1} {
56                         set remote origin
57                 } else {
58                         set remote [lindex $all_remotes 0]
59                 }
60                 set urltype remote
61                 trace add variable @remote write [cb _write_remote]
62         } else {
63                 set urltype url
64         }
65         radiobutton $w.dest.url_r \
66                 -text {Arbitrary URL:} \
67                 -value url \
68                 -variable @urltype
69         entry $w.dest.url_t \
70                 -borderwidth 1 \
71                 -relief sunken \
72                 -width 50 \
73                 -textvariable @url \
74                 -validate key \
75                 -validatecommand {
76                         if {%d == 1 && [regexp {\s} %S]} {return 0}
77                         return 1
78                 }
79         trace add variable @url write [cb _write_url]
80         grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
81         grid columnconfigure $w.dest 1 -weight 1
82         pack $w.dest -anchor nw -fill x -pady 5 -padx 5
83
84         labelframe $w.heads -text {Branches}
85         listbox $w.heads.l \
86                 -height 10 \
87                 -width 70 \
88                 -listvariable @head_list \
89                 -selectmode extended \
90                 -yscrollcommand [list $w.heads.sby set]
91         scrollbar $w.heads.sby -command [list $w.heads.l yview]
92
93         frame $w.heads.footer
94         label $w.heads.footer.status \
95                 -textvariable @status \
96                 -anchor w \
97                 -justify left
98         button $w.heads.footer.rescan \
99                 -text {Rescan} \
100                 -command [cb _rescan]
101         pack $w.heads.footer.status -side left -fill x -expand 1
102         pack $w.heads.footer.rescan -side right
103
104         pack $w.heads.footer -side bottom -fill x -expand 1
105         pack $w.heads.sby -side right -fill y
106         pack $w.heads.l -side left -fill both -expand 1
107         pack $w.heads -fill both -expand 1 -pady 5 -padx 5
108
109         labelframe $w.validate -text {Delete Only If}
110         radiobutton $w.validate.head_r \
111                 -text {Merged Into:} \
112                 -value head \
113                 -variable @checktype
114         set head_m [tk_optionMenu $w.validate.head_m @check_head {}]
115         trace add variable @head_list write [cb _write_head_list]
116         trace add variable @check_head write [cb _write_check_head]
117         grid $w.validate.head_r $w.validate.head_m -sticky w
118         radiobutton $w.validate.always_r \
119                 -text {Always (Do not perform merge checks)} \
120                 -value always \
121                 -variable @checktype
122         grid $w.validate.always_r -columnspan 2 -sticky w
123         grid columnconfigure $w.validate 1 -weight 1
124         pack $w.validate -anchor nw -fill x -pady 5 -padx 5
125
126         trace add variable @urltype write [cb _write_urltype]
127         _rescan $this
128
129         bind $w <Key-F5>     [cb _rescan]
130         bind $w <$M1B-Key-r> [cb _rescan]
131         bind $w <$M1B-Key-R> [cb _rescan]
132         bind $w <Key-Return> [cb _delete]
133         bind $w <Key-Escape> [list destroy $w]
134         bind $w.header <Destroy> [list delete_this $this]
135         return $w
136 }
137
138 method _delete {} {
139         switch $urltype {
140         remote {set uri $remote}
141         url    {set uri $url}
142         }
143
144         set cache $urltype:$uri
145         set crev {}
146         if {$checktype eq {head}} {
147                 if {$check_head eq {}} {
148                         tk_messageBox \
149                                 -icon error \
150                                 -type ok \
151                                 -title [wm title $w] \
152                                 -parent $w \
153                                 -message "A branch is required for 'Merged Into'."
154                         return
155                 }
156                 set crev $full_cache("$cache\nrefs/heads/$check_head")
157         }
158
159         set not_merged [list]
160         set need_fetch 0
161         set have_selection 0
162         set push_cmd [list git push]
163         lappend push_cmd -v
164         lappend push_cmd $uri
165
166         foreach i [$w.heads.l curselection] {
167                 set ref [lindex $full_list $i]
168                 if {$crev ne {}} {
169                         set obj $full_cache("$cache\n$ref")
170                         if {[catch {set m [git merge-base $obj $crev]}]} {
171                                 set need_fetch 1
172                                 set m {}
173                         }
174                         if {$obj ne $m} {
175                                 lappend not_merged [lindex $head_list $i]
176                                 continue
177                         }
178                 }
179
180                 lappend push_cmd :$ref
181                 set have_selection 1
182         }
183
184         if {$not_merged ne {}} {
185                 set msg "The following branches are not completely merged into $check_head:
186
187  - [join $not_merged "\n - "]"
188
189                 if {$need_fetch} {
190                         append msg "
191
192 One or more of the merge tests failed because you have not fetched the necessary commits.  Try fetching from $uri first."
193                 }
194
195                 tk_messageBox \
196                         -icon info \
197                         -type ok \
198                         -title [wm title $w] \
199                         -parent $w \
200                         -message $msg
201                 if {!$have_selection} return
202         }
203
204         if {!$have_selection} {
205                 tk_messageBox \
206                         -icon error \
207                         -type ok \
208                         -title [wm title $w] \
209                         -parent $w \
210                         -message "Please select one or more branches to delete."
211                 return
212         }
213
214         if {[tk_messageBox \
215                 -icon warning \
216                 -type yesno \
217                 -title [wm title $w] \
218                 -parent $w \
219                 -message {Recovering deleted branches is difficult.
220
221 Delete the selected branches?}] ne yes} {
222                 return
223         }
224
225         destroy $w
226
227         set cons [console::new \
228                 "push $uri" \
229                 "Deleting branches from $uri"]
230         console::exec $cons $push_cmd
231 }
232
233 method _rescan {{force 1}} {
234         switch $urltype {
235         remote {set uri $remote}
236         url    {set uri $url}
237         }
238
239         if {$force} {
240                 unset -nocomplain cached($urltype:$uri)
241         }
242
243         if {$idle_id ne {}} {
244                 after cancel $idle_id
245                 set idle_id {}
246         }
247
248         _load $this $urltype:$uri $uri
249 }
250
251 method _write_remote     {args} { set urltype remote }
252 method _write_url        {args} { set urltype url    }
253 method _write_check_head {args} { set checktype head }
254
255 method _write_head_list {args} {
256         $head_m delete 0 end
257         foreach abr $head_list {
258                 $head_m insert end radiobutton \
259                         -label $abr \
260                         -value $abr \
261                         -variable @check_head
262         }
263         if {[lsearch -exact -sorted $head_list $check_head] < 0} {
264                 set check_head {}
265         }
266 }
267
268 method _write_urltype {args} {
269         if {$urltype eq {url}} {
270                 if {$idle_id ne {}} {
271                         after cancel $idle_id
272                 }
273                 _load $this none: {}
274                 set idle_id [after 1000 [cb _rescan 0]]
275         } else {
276                 _rescan $this 0
277         }
278 }
279
280 method _load {cache uri} {
281         if {$active_ls ne {}} {
282                 catch {close $active_ls}
283         }
284
285         if {$uri eq {}} {
286                 $w.heads.l conf -state disabled
287                 set head_list [list]
288                 set full_list [list]
289                 set status {No repository selected.}
290                 return
291         }
292
293         if {[catch {set x $cached($cache)}]} {
294                 set status "Scanning $uri..."
295                 $w.heads.l conf -state disabled
296                 set head_list [list]
297                 set full_list [list]
298                 set head_cache($cache) [list]
299                 set full_cache($cache) [list]
300                 set active_ls [open "| [list git ls-remote $uri]" r]
301                 fconfigure $active_ls \
302                         -blocking 0 \
303                         -translation lf \
304                         -encoding utf-8
305                 fileevent $active_ls readable [cb _read $cache $active_ls]
306         } else {
307                 set status {}
308                 set full_list $full_cache($cache)
309                 set head_list $head_cache($cache)
310                 $w.heads.l conf -state normal
311         }
312 }
313
314 method _read {cache fd} {
315         if {$fd ne $active_ls} {
316                 catch {close $fd}
317                 return
318         }
319
320         while {[gets $fd line] >= 0} {
321                 if {[string match {*^{}} $line]} continue
322                 if {[regexp {^([0-9a-f]{40})    (.*)$} $line _junk obj ref]} {
323                         if {[regsub ^refs/heads/ $ref {} abr]} {
324                                 lappend head_list $abr
325                                 lappend head_cache($cache) $abr
326                                 lappend full_list $ref
327                                 lappend full_cache($cache) $ref
328                                 set full_cache("$cache\n$ref") $obj
329                         }
330                 }
331         }
332
333         if {[eof $fd]} {
334                 if {[catch {close $fd} err]} {
335                         set status $err
336                         set head_list [list]
337                         set full_list [list]
338                 } else {
339                         set status {}
340                         set cached($cache) 1
341                         $w.heads.l conf -state normal
342                 }
343         }
344 } ifdeleted {
345         catch {close $fd}
346 }
347
348 }