72861f9bb288ed1f4c696478d1fc5609407c88c7
[stgit] / contrib / stgit-completion.bash
1 # bash completion support for StGIT -*- shell-script -*-
2 #
3 # Copyright (C) 2006, Karl Hasselström <kha@treskal.com>
4 # Based on git-completion.sh
5 #
6 # To use these routines:
7 #
8 # 1. Copy this file to somewhere (e.g. ~/.stgit-completion.bash).
9 #
10 # 2. Add the following line to your .bashrc:
11 # . ~/.stgit-completion.bash
12
13 _stg_commands="
14 add
15 applied
16 assimilate
17 branch
18 delete
19 diff
20 clean
21 clone
22 commit
23 export
24 files
25 float
26 fold
27 goto
28 id
29 import
30 init
31 log
32 mail
33 new
34 patches
35 pick
36 pop
37 pull
38 push
39 refresh
40 rename
41 resolved
42 rm
43 series
44 show
45 status
46 top
47 unapplied
48 uncommit
49 "
50
51 # The path to .git, or empty if we're not in a repository.
52 _gitdir ()
53 {
54 echo "$(git rev-parse --git-dir 2>/dev/null)"
55 }
56
57 # Name of the current branch, or empty if there isn't one.
58 _current_branch ()
59 {
60 local b=$(git symbolic-ref HEAD 2>/dev/null)
61 echo ${b#refs/heads/}
62 }
63
64 # List of all applied patches.
65 _applied_patches ()
66 {
67 local g=$(_gitdir)
68 [ "$g" ] && cat "$g/patches/$(_current_branch)/applied"
69 }
70
71 # List of all unapplied patches.
72 _unapplied_patches ()
73 {
74 local g=$(_gitdir)
75 [ "$g" ] && cat "$g/patches/$(_current_branch)/unapplied"
76 }
77
78 # List of all patches.
79 _all_patches ()
80 {
81 local b=$(_current_branch)
82 local g=$(_gitdir)
83 [ "$g" ] && cat "$g/patches/$b/applied" "$g/patches/$b/unapplied"
84 }
85
86 # List of all patches except the current patch.
87 _all_other_patches ()
88 {
89 local b=$(_current_branch)
90 local g=$(_gitdir)
91 [ "$g" ] && cat "$g/patches/$b/applied" "$g/patches/$b/unapplied" \
92 | grep -v "^$(< $g/patches/$b/current)$"
93 }
94
95 # List the command options
96 _cmd_options ()
97 {
98 stg $1 --help | grep -e " --[A-Za-z]" | sed -e "s/.*\(--[^ =]\+\).*/\1/"
99 }
100
101 # Generate completions for patches and patch ranges from the given
102 # patch list function, and options from the given list.
103 _complete_patch_range ()
104 {
105 local patchlist="$1" options="$2"
106 local pfx cur="${COMP_WORDS[COMP_CWORD]}"
107 case "$cur" in
108 *..*)
109 pfx="${cur%..*}.."
110 cur="${cur#*..}"
111 COMPREPLY=($(compgen -P "$pfx" -W "$($patchlist)" -- "$cur"))
112 ;;
113 *)
114 COMPREPLY=($(compgen -W "$options $($patchlist)" -- "$cur"))
115 ;;
116 esac
117 }
118
119 _complete_patch_range_options ()
120 {
121 local patchlist="$1" options="$2" patch_options="$3"
122 local prev="${COMP_WORDS[COMP_CWORD-1]}"
123 local cur="${COMP_WORDS[COMP_CWORD]}"
124 local popt
125 for popt in $patch_options; do
126 if [ $prev == $popt ]; then
127 _complete_patch_range $patchlist
128 return
129 fi
130 done
131 COMPREPLY=($(compgen -W "$options" -- "$cur"))
132 }
133
134 # Generate completions for options from the given list.
135 _complete_options ()
136 {
137 local options="$1"
138 COMPREPLY=($(compgen -W "$options" -- "${COMP_WORDS[COMP_CWORD]}"))
139 }
140
141 _stg_common ()
142 {
143 _complete_options "$(_cmd_options $1)"
144 }
145
146 _stg_patches ()
147 {
148 _complete_patch_range "$2" "$(_cmd_options $1)"
149 }
150
151 _stg_patches_options ()
152 {
153 _complete_patch_range_options "$2" "$(_cmd_options $1)" "$3"
154 }
155
156 _stg_help ()
157 {
158 _complete_options "$_stg_commands"
159 }
160
161 _stg ()
162 {
163 local i c=1 command
164
165 while [ $c -lt $COMP_CWORD ]; do
166 if [ $c == 1 ]; then
167 command="${COMP_WORDS[c]}"
168 fi
169 c=$((++c))
170 done
171
172 # Complete name of subcommand.
173 if [ $c -eq $COMP_CWORD -a -z "$command" ]; then
174 COMPREPLY=($(compgen \
175 -W "--help --version copyright help $_stg_commands" \
176 -- "${COMP_WORDS[COMP_CWORD]}"))
177 return;
178 fi
179
180 # Complete arguments to subcommands.
181 case "$command" in
182 # generic commands
183 help) _stg_help ;;
184 # repository commands
185 id) _stg_patches $command _all_patches ;;
186 # stack commands
187 float) _stg_patches $command _all_patches ;;
188 goto) _stg_patches $command _all_other_patches ;;
189 pop) _stg_patches $command _applied_patches ;;
190 push) _stg_patches $command _unapplied_patches ;;
191 # patch commands
192 delete) _stg_patches $command _all_patches ;;
193 export) _stg_patches $command _applied_patches ;;
194 files) _stg_patches $command _all_patches ;;
195 log) _stg_patches $command _all_patches ;;
196 mail) _stg_patches $command _applied_patches ;;
197 pick) _stg_patches $command _unapplied_patches ;;
198 refresh)_stg_patches_options $command _applied_patches "-p --patch" ;;
199 rename) _stg_patches $command _all_patches ;;
200 show) _stg_patches $command _all_patches ;;
201 # working-copy commands
202 diff) _stg_patches_options $command _applied_patches "-r --range" ;;
203 # all the other commands
204 *) _stg_common $command ;;
205 esac
206 }
207
208 complete -o default -F _stg stg