git-gui: Enhance choose_rev to handle hundreds of branches
[git/git.git] / lib / branch_delete.tcl
1 # git-gui branch delete support
2 # Copyright (C) 2007 Shawn Pearce
3
4 class branch_delete {
5
6 field w ; # widget path
7 field w_heads ; # listbox of local head names
8 field w_check ; # revision picker for merge test
9 field w_delete ; # delete button
10
11 constructor dialog {} {
12 global all_heads current_branch
13
14 make_toplevel top w
15 wm title $top "[appname] ([reponame]): Delete Branch"
16 if {$top ne {.}} {
17 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
18 }
19
20 label $w.header -text {Delete Local Branch} -font font_uibold
21 pack $w.header -side top -fill x
22
23 frame $w.buttons
24 set w_delete $w.buttons.delete
25 button $w_delete \
26 -text Delete \
27 -default active \
28 -state disabled \
29 -command [cb _delete]
30 pack $w_delete -side right
31 button $w.buttons.cancel \
32 -text {Cancel} \
33 -command [list destroy $w]
34 pack $w.buttons.cancel -side right -padx 5
35 pack $w.buttons -side bottom -fill x -pady 10 -padx 10
36
37 labelframe $w.list -text {Local Branches}
38 set w_heads $w.list.l
39 listbox $w_heads \
40 -height 10 \
41 -width 70 \
42 -selectmode extended \
43 -exportselection false \
44 -yscrollcommand [list $w.list.sby set]
45 scrollbar $w.list.sby -command [list $w.list.l yview]
46 pack $w.list.sby -side right -fill y
47 pack $w.list.l -side left -fill both -expand 1
48 pack $w.list -fill both -expand 1 -pady 5 -padx 5
49
50 set w_check [choose_rev::new \
51 $w.check \
52 {Delete Only If Merged Into} \
53 ]
54 $w_check none {Always (Do not perform merge test.)}
55 pack $w.check -anchor nw -fill x -pady 5 -padx 5
56
57 foreach h $all_heads {
58 if {$h ne $current_branch} {
59 $w_heads insert end $h
60 }
61 }
62
63 bind $w_heads <<ListboxSelect>> [cb _select]
64 bind $w <Visibility> "
65 grab $w
66 focus $w
67 "
68 bind $w <Key-Escape> [list destroy $w]
69 bind $w <Key-Return> [cb _delete]\;break
70 tkwait window $w
71 }
72
73 method _select {} {
74 if {[$w_heads curselection] eq {}} {
75 $w_delete configure -state disabled
76 } else {
77 $w_delete configure -state normal
78 }
79 }
80
81 method _delete {} {
82 global all_heads
83
84 if {[catch {set check_cmt [$w_check commit_or_die]}]} {
85 return
86 }
87
88 set to_delete [list]
89 set not_merged [list]
90 foreach i [$w_heads curselection] {
91 set b [$w_heads get $i]
92 if {[catch {
93 set o [git rev-parse --verify "refs/heads/$b"]
94 }]} continue
95 if {$check_cmt ne {}} {
96 if {[catch {set m [git merge-base $o $check_cmt]}]} continue
97 if {$o ne $m} {
98 lappend not_merged $b
99 continue
100 }
101 }
102 lappend to_delete [list $b $o]
103 }
104 if {$not_merged ne {}} {
105 set msg "The following branches are not completely merged into [$w_check get]:
106
107 - [join $not_merged "\n - "]"
108 tk_messageBox \
109 -icon info \
110 -type ok \
111 -title [wm title $w] \
112 -parent $w \
113 -message $msg
114 }
115 if {$to_delete eq {}} return
116 if {$check_cmt eq {}} {
117 set msg {Recovering deleted branches is difficult.
118
119 Delete the selected branches?}
120 if {[tk_messageBox \
121 -icon warning \
122 -type yesno \
123 -title [wm title $w] \
124 -parent $w \
125 -message $msg] ne yes} {
126 return
127 }
128 }
129
130 set failed {}
131 foreach i $to_delete {
132 set b [lindex $i 0]
133 set o [lindex $i 1]
134 if {[catch {git update-ref -d "refs/heads/$b" $o} err]} {
135 append failed " - $b: $err\n"
136 } else {
137 set x [lsearch -sorted -exact $all_heads $b]
138 if {$x >= 0} {
139 set all_heads [lreplace $all_heads $x $x]
140 }
141 }
142 }
143
144 if {$failed ne {}} {
145 tk_messageBox \
146 -icon error \
147 -type ok \
148 -title [wm title $w] \
149 -parent $w \
150 -message "Failed to delete branches:\n$failed"
151 }
152
153 set all_heads [lsort $all_heads]
154 populate_branch_menu
155 destroy $w
156 }
157
158 }