openrc/bash-completion/rc-service

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# Copyright (c) 2017 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/master/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
#
# rc-service completion command
#
_rc_service()
{
local cur prev numwords opts
local words i x filename
local action actionpos
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
numwords=${#COMP_WORDS[*]}
if [[ ${prev} == '>' || ${prev} == '<' ]] ; then
COMPREPLY=($(compgen -f -- ${cur}))
return 0
fi
# find action
for x in ${COMP_LINE} ; do
if [[ ${x} =~ --(list|exists|resolve) ]] || [[ ${x} =~ -(l|e|r) ]]
then
action=${x}
break
fi
done
if [[ -n ${action} ]]; then
for ((i = 0; i < ${numwords}; i++ )); do
if [[ ${COMP_WORDS[${i}]} == "${action}" ]]; then
actionpos=${i}
break
fi
done
for ((i = 1; i < ${numwords}; i++ )); do
if [[ ! ${COMP_WORDS[$i]} == -* ]]; then
break
fi
done
fi
if [[ ${COMP_CWORD} -eq 3 ]]; then
return 1
fi
# check if an option was typed
if [[ ${cur} == -* ]]; then
if [[ ${cur} == --* ]]; then
opts="--list --exists --resolve"
COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
return 0
elif [[ ${cur} == -* ]]; then
opts="-l -e -r"
COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
return 0
fi
# NOTE: This slows things down!
# (Adapted from bash_completion by Ian Macdonald <ian@caliban.org>)
# This removes any options from the list of completions that have
# already been specified on the command line.
COMPREPLY=($(echo "${COMP_WORDS[@]}" | \
(while read -d ' ' i; do
[[ -z ${i} ]] && continue
# flatten array with spaces on either side,
# otherwise we cannot grep on word boundaries of
# first and last word
COMPREPLY=" ${COMPREPLY[@]} "
# remove word from list of completions
COMPREPLY=(${COMPREPLY/ ${i%% *} / })
done
echo ${COMPREPLY[@]})))
return 0
else
# no option was typed
if [[ ${COMP_CWORD} -eq 1 ]]; then # if first word typed
words="$(rc-service --list | grep ^${cur})" # complete for init scripts
COMPREPLY=($(for i in ${words} ; do \
[[ ${i} == ${cur}* ]] && echo ${i} ; \
done))
return 0
elif [[ ${COMP_CWORD} -eq 2 ]] && [[ ${prev} != -* ]]; then # if second word typed and we didn't type in a function
rc-service --exists "$prev" || return
shopt -s extglob
while read -r _ line; do
if [[ $line == +([[:alnum:]_]):* ]]; then
opts+="${line%%:*} "
fi
done < <(rc-service "$prev" describe 2>&1)
shopt -u extglob
COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
return 0
fi
fi
if [[ ${action} == '--exists' ]] || [[ ${action} == '-e' ]] || \
[[ ${action} == '--resolve' ]] || [[ ${action} == '-r' ]]; then
words="$(rc-service --list | grep ^${cur})"
COMPREPLY=($(for i in ${words} ; do \
[[ ${i} == ${cur}* ]] && echo ${i} ; \
done))
return 0
fi
return 0
} &&
complete -F _rc_service rc-service