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
| | #autoload
local output cmd pat
local -a builtin_precommands var
local -A opts
builtin_precommands=(- builtin eval exec nocorrect noglob time)
(( $+_cmd_variant )) || typeset -gA _cmd_variant
zparseopts -D -A opts b: c: r:
: ${opts[-c]:=$words[1]}
while [[ $1 = *=* ]]; do
var+=( "${1%%\=*}" "${1#*=}" )
shift
done
if (( $+opts[-b] && ! ${#precommands:|builtin_precommands} &&
( $+builtins[$opts[-c]] || $precommands[(I)builtin] ) )); then
(( $+opts[-r] )) && eval "${opts[-r]}=$opts[-b]"
return 0
fi
if (( $+_cmd_variant[$opts[-c]] )); then
(( $+opts[-r] )) && eval "${opts[-r]}=${_cmd_variant[$opts[-c]]}"
[[ $_cmd_variant[$opts[-c]] = "$1" ]] && return 1
return 0
fi
output="$(_call_program variant $opts[-c] "${@[2,-1]}" </dev/null 2>&1)"
for cmd pat in "$var[@]"; do
if [[ $output = *$~pat* ]]; then
(( $+opts[-r] )) && eval "${opts[-r]}=$cmd"
_cmd_variant[$opts[-c]]="$cmd"
return 0
fi
done
(( $+opts[-r] )) && eval "${opts[-r]}=$1"
_cmd_variant[$opts[-c]]="$1"
return 1
|