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| | #autoload
local output cmd pat
local -a var
local -A opts
(( $+_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 (( $+_cmd_variant[$opts[-c]] )); then
(( $+opts[-r] )) && eval "${opts[-r]}=${_cmd_variant[$opts[-c]]}"
[[ $_cmd_variant[$opts[-c]] = "$1" ]] && return 1
return 0
fi
if [[ $+opts[-b] -eq 1 && -n $builtins[$opts[-c]] ]]; then
_cmd_variant[$opts[-c]]=$opts[-b]
(( $+opts[-r] )) && eval "${opts[-r]}=${_cmd_variant[$opts[-c]]}"
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
|