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# portablectl(1) completion -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of elogind.
#
# Copyright © 2018 Yu Watanabe
#
# elogind is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# elogind is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with elogind; If not, see <http://www.gnu.org/licenses/>.
__contains_word () {
local w word=$1; shift
for w in "$@"; do
[[ $w = "$word" ]] && return
done
}
__get_machines() {
local a b
machinectl list --no-legend --no-pager 2>/dev/null |
{ while read a b; do echo " $a"; done; };
}
_portablectl() {
local i n comps verb
local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
local -A OPTS=(
[STANDALONE]='-q --quiet --runtime --no-reload --cat --no-pager --no-legend
--no-ask-password -h --help --version'
[ARG]='-p --profile --copy -H --host -M --machine'
)
local -A VERBS=(
[STANDALONE]='list'
[IMAGE]='attach detach inspect is-attached set-limit'
[IMAGES]='remove'
[IMAGE_WITH_BOOL]='read-only'
)
if __contains_word "$prev" ${OPTS[ARG]}; then
case $prev in
--profile|-p)
comps="default nonetwork strict trusted"
;;
--copy)
comps="copy symlink auto"
;;
--host|-H)
comps=$(compgen -A hostname)
;;
--machine|-M)
comps=$( __get_machines )
;;
esac
COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
return 0
fi
if [[ "$cur" = -* ]]; then
COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
return 0
fi
for ((i=0; i < COMP_CWORD; i++)); do
if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
verb=${COMP_WORDS[i]}
break
fi
done
n=$(($COMP_CWORD - $i))
if [[ -z $verb ]]; then
comps=${VERBS[*]}
elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
comps=''
elif __contains_word "$verb" ${VERBS[IMAGE]}; then
if [[ $n == 1 ]]; then
comps=$( compgen -A file -- "$cur" )
compopt -o filenames
else
comps=''
fi
elif __contains_word "$verb" ${VERBS[IMAGES]}; then
comps=$( compgen -A file -- "$cur" )
compopt -o filenames
elif __contains_word "$verb" ${VERBS[IMAGE_WITH_BOOL]}; then
if [[ $n == 1 ]]; then
comps=$( compgen -A file -- "$cur" )
compopt -o filenames
elif [[ $n == 2 ]]; then
comps='yes no'
else
comps=''
fi
fi
COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
return 0
}
complete -F _portablectl portablectl
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