git-gui: maintain backwards compatibility for merge syntax
[git] / lib / tools.tcl
1 # git-gui Tools menu implementation
2
3 proc tools_list {} {
4         global repo_config
5
6         set names {}
7         foreach item [array names repo_config guitool.*.cmd] {
8                 lappend names [string range $item 8 end-4]
9         }
10         return [lsort $names]
11 }
12
13 proc tools_populate_all {} {
14         global tools_menubar tools_menutbl
15         global tools_tailcnt
16
17         set mbar_end [$tools_menubar index end]
18         set mbar_base [expr {$mbar_end - $tools_tailcnt}]
19         if {$mbar_base >= 0} {
20                 $tools_menubar delete 0 $mbar_base
21         }
22
23         array unset tools_menutbl
24
25         foreach fullname [tools_list] {
26                 tools_populate_one $fullname
27         }
28 }
29
30 proc tools_create_item {parent args} {
31         global tools_menubar tools_tailcnt
32         if {$parent eq $tools_menubar} {
33                 set pos [expr {[$parent index end]-$tools_tailcnt+1}]
34                 eval [list $parent insert $pos] $args
35         } else {
36                 eval [list $parent add] $args
37         }
38 }
39
40 proc tools_populate_one {fullname} {
41         global tools_menubar tools_menutbl tools_id
42
43         if {![info exists tools_id]} {
44                 set tools_id 0
45         }
46
47         set names [split $fullname '/']
48         set parent $tools_menubar
49         for {set i 0} {$i < [llength $names]-1} {incr i} {
50                 set subname [join [lrange $names 0 $i] '/']
51                 if {[info exists tools_menutbl($subname)]} {
52                         set parent $tools_menutbl($subname)
53                 } else {
54                         set subid $parent.t$tools_id
55                         tools_create_item $parent cascade \
56                                         -label [lindex $names $i] -menu $subid
57                         menu $subid
58                         set tools_menutbl($subname) $subid
59                         set parent $subid
60                         incr tools_id
61                 }
62         }
63
64         tools_create_item $parent command \
65                 -label [lindex $names end] \
66                 -command [list tools_exec $fullname]
67 }
68
69 proc tools_exec {fullname} {
70         global repo_config env current_diff_path
71         global current_branch is_detached
72         global selected_paths
73
74         if {[is_config_true "guitool.$fullname.needsfile"]} {
75                 if {$current_diff_path eq {}} {
76                         error_popup [mc "Running %s requires a selected file." $fullname]
77                         return
78                 }
79         }
80
81         catch { unset env(ARGS) }
82         catch { unset env(REVISION) }
83
84         if {[get_config "guitool.$fullname.revprompt"] ne {} ||
85             [get_config "guitool.$fullname.argprompt"] ne {}} {
86                 set dlg [tools_askdlg::dialog $fullname]
87                 if {![tools_askdlg::execute $dlg]} {
88                         return
89                 }
90         } elseif {[is_config_true "guitool.$fullname.confirm"]} {
91                 if {[is_config_true "guitool.$fullname.needsfile"]} {
92                         if {[ask_popup [mc "Are you sure you want to run %1\$s on file \"%2\$s\"?" $fullname $current_diff_path]] ne {yes}} {
93                                 return
94                         }
95                 } else {
96                         if {[ask_popup [mc "Are you sure you want to run %s?" $fullname]] ne {yes}} {
97                                 return
98                         }
99                 }
100         }
101
102         set env(GIT_GUITOOL) $fullname
103         set env(FILENAME) $current_diff_path
104         set env(FILENAMES) [join [array names selected_paths] \n]
105         if {$is_detached} {
106                 set env(CUR_BRANCH) ""
107         } else {
108                 set env(CUR_BRANCH) $current_branch
109         }
110
111         set cmdline $repo_config(guitool.$fullname.cmd)
112         if {[is_config_true "guitool.$fullname.noconsole"]} {
113                 tools_run_silent [list sh -c $cmdline] \
114                                  [list tools_complete $fullname {}]
115         } else {
116                 regsub {/} $fullname { / } title
117                 set w [console::new \
118                         [mc "Tool: %s" $title] \
119                         [mc "Running: %s" $cmdline]]
120                 console::exec $w [list sh -c $cmdline] \
121                                  [list tools_complete $fullname $w]
122         }
123
124         unset env(GIT_GUITOOL)
125         unset env(FILENAME)
126         unset env(FILENAMES)
127         unset env(CUR_BRANCH)
128         catch { unset env(ARGS) }
129         catch { unset env(REVISION) }
130 }
131
132 proc tools_run_silent {cmd after} {
133         lappend cmd 2>@1
134         set fd [_open_stdout_stderr $cmd]
135
136         fconfigure $fd -blocking 0 -translation binary
137         fileevent $fd readable [list tools_consume_input $fd $after]
138 }
139
140 proc tools_consume_input {fd after} {
141         read $fd
142         if {[eof $fd]} {
143                 fconfigure $fd -blocking 1
144                 if {[catch {close $fd}]} {
145                         uplevel #0 $after 0
146                 } else {
147                         uplevel #0 $after 1
148                 }
149         }
150 }
151
152 proc tools_complete {fullname w {ok 1}} {
153         if {$w ne {}} {
154                 console::done $w $ok
155         }
156
157         if {$ok} {
158                 set msg [mc "Tool completed successfully: %s" $fullname]
159         } else {
160                 set msg [mc "Tool failed: %s" $fullname]
161         }
162
163         if {[is_config_true "guitool.$fullname.norescan"]} {
164                 ui_status $msg
165         } else {
166                 rescan [list ui_status $msg]
167         }
168 }