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bash completion with lazy load

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This commit is contained in:
Alberto Fanjul 2018-09-21 12:39:17 +02:00
parent 5bfc97a72c
commit ec7e11c8bf
7 changed files with 192 additions and 45 deletions
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85
res/miracle-wifictl Executable file
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@ -0,0 +1,85 @@
#
# Autocompletion for miracle-wifictl
#
# Maintainer: Alberto Fanjul <albertofanjul@gmail.com>
#
function _miracle-wifictl() {
local cur prev
_get_comp_words_by_ref cur
prev=${COMP_WORDS[COMP_CWORD-1]}
case "$prev" in
--log-level)
COMPREPLY=($(compgen -W 'fatal alert critical error warning notice info debug trace 1 2 3 4 5 6 7 8' -- "$cur"))
return 0
;;
esac
COMPREPLY=($(compgen -W "$(_parse_help miracle-wifictl) $(_parse_short_help miracle-wifictl)" -- "$cur"))
}
_parse_short_help ()
{
eval local cmd=$( quote "$1" );
local line;
{
case $cmd in
-)
cat
;;
*)
LC_ALL=C "$( dequote "$cmd" )" ${2:---help} 2>&1
;;
esac
} | while read -r line; do
[[ $line == *([[:blank:]])-* ]] || continue;
while [[ $line =~ ((^|[^-])-[A-Za-z0-9?][[:space:]]+)\[?[A-Z0-9]+\]? ]]; do
line=${line/"${BASH_REMATCH[0]}"/"${BASH_REMATCH[1]}"};
done;
__parse_short_options "${line// or /, }";
done
}
__parse_short_options ()
{
local option option2 i IFS='
,/|';
option=;
local -a array;
read -a array <<< "$1";
for i in "${array[@]}";
do
case "$i" in
---*)
break
;;
--?*)
break
;;
-?*)
option=$i;
break
;;
*)
break
;;
esac;
done;
[[ -n $option ]] || return;
IFS='
';
if [[ $option =~ (\[((no|dont)-?)\]). ]]; then
option2=${option/"${BASH_REMATCH[1]}"/};
option2=${option2%%[<{().[]*};
printf '%s\n' "${option2/=*/=}";
option=${option/"${BASH_REMATCH[1]}"/"${BASH_REMATCH[2]}"};
fi;
option=${option%%[<{().[]*};
printf '%s\n' "${option/=*/=}"
}
complete -F _miracle-wifictl miracle-wifictl
# ex: filetype=sh