forked from rvm/rvm
-
Notifications
You must be signed in to change notification settings - Fork 1
/
rvm-prompt
executable file
·227 lines (119 loc) · 3.47 KB
/
rvm-prompt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
#!/usr/bin/env bash
add()
{
token=${1:-""}
eval "${token}_flag=1" ; shift
if [[ -n "$format" ]] ; then
if [[ ${previous_is_format_var:-0} = 1 ]] ; then
format="${format}-\$${token}"
else
format="${format}\$${token}"
fi
else
format="\$${token}"
fi
previous_is_format_var=1
return 0
}
add_raw_token()
{
previous_is_format_var=0
token=${1:-""}
format="${format:-""}${token}"
return 0
}
rvm_gemset_separator="${rvm_gemset_separator:-"@"}"
ruby=$(command -v ruby)
if [[ -n "$ruby" && -n "$(echo "$ruby" | awk '/rvm/{print}')" ]] ; then
unset format
while [[ $# -gt 0 ]] ; do
token="$1" ; shift
case "$token" in
i|interpreter) add "interpreter" ;;
v|version) add "version" ;;
p|patchlevel) add "patchlevel" ;;
r|revision) add "revision" ;;
a|architecture) add "architecture" ;;
g|gemset) add "gemset" ;;
u|unicode) add "unicode" ;;
s|system) add "system" ;;
-d|--no-default) no_default=1 ;;
*) add_raw_token "$token" ;;
esac
done
if [[ -z "${format:-""}" ]] ; then
for default in interpreter version patchlevel gemset ; do
add "$default"
done
fi
ruby_string=$(dirname "$ruby" | xargs dirname | xargs basename)
if [[ -n "$no_default" ]]; then
# Do not display anything if no default flag was provided
# and we are using the default ruby
# Only people who explicitely ask for this will have the
# slight performance penalty associated.
if [[ "$(rvm tools identifier)" = "$(rvm alias show default)" ]] ; then
exit 0
fi
fi
strings=(${ruby_string//-/ })
if [[ ${interpreter_flag:-0} -gt 0 || -n "$unicode_flag" ]] ; then
interpreter=${strings[0]}
fi
if [[ ${version_flag:-0} -gt 0 || -n "$unicode_flag" ]] ; then
version=${strings[1]}
fi
if [[ ${#strings[@]} -gt 2 ]] ; then
if [[ ${patchlevel_flag:-0} -gt 0 ]] ; then
patchlevel=${strings[2]}
fi
fi
if [[ ${architecture_flag:-0} -gt 0 ]] ; then
architecture="$(echo "$(ruby -v)" | sed 's/^.*\[//' | sed 's/\].*$//')"
fi
if [[ ${gemset_flag:-0} -gt 0 ]] ; then
case "${GEM_HOME:-""}" in
*${rvm_gemset_separator:-"@"}*)
gemset="${rvm_gemset_separator:-"@"}${GEM_HOME/*${rvm_gemset_separator:-"@"}/}"
;;
esac
fi
if [[ ${unicode_flag:-0} -gt 0 ]] ; then
case "$interpreter" in
jruby) unicode="☯" ;;
rbx) unicode="☃" ;;
ree) unicode="✈" ;;
macruby) unicode="⌘" ;;
maglev) unicode="㎖" ;;
ironruby) unicode="♭" ;;
system) unicode="➆" ;;
goruby) unicode="⛳";;
ruby)
case ${version:-""} in
1.8.6) unicode="❻" ;;
1.8.7) unicode="❼" ;;
1.9.1) unicode="❶" ;;
1.9.2) unicode="❷" ;;
*) unicode="♢" ;;
esac ;;
*) unicode="♢" ;;
esac
if echo "$ruby_string" | \grep -q '-head' ; then
unicode="${unicode}〠"
fi
fi
eval "prompt=\"$format\""
echo "$prompt" \
| sed -e 's#^[[:space:]]*-*##g' \
-e 's#--*#-#g' \
-e 's#-*[[:space:]]*$##' \
-e 's#-'${rvm_gemset_separator:-"@"}'#'${rvm_gemset_separator:-"@"}'#'
else
while [[ $# -gt 0 ]] ; do
token="$1" ; shift
case "$token" in
s|system) echo "system" ;;
esac
done
fi
exit 0