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# bootctl(1) completion -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd 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.
#
# systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
__contains_word () {
local w word=$1; shift
for w in "$@"; do
[[ $w = "$word" ]] && return
done
}
__get_entry_ids() {
bootctl --no-pager list 2>/dev/null | { while read -r a b; do [[ $a == 'id:' ]] && echo " $b"; done }
}
_bootctl() {
local i verb comps
local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
local -A OPTS=(
[STANDALONE]='-h --help -p --print-esp-path -x --print-boot-path --version --no-variables --no-pager --graceful'
[ARG]='--esp-path --boot-path'
)
if __contains_word "$prev" ${OPTS[ARG]}; then
case $prev in
--esp-path|--boot-path)
if [[ -z $cur ]]; then
comps=$(compgen -A directory -- "/" )
else
comps=$(compgen -A directory -- "$cur" )
fi
compopt -o filenames
;;
esac
COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
return 0
fi
if [[ "$cur" = -* ]]; then
COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
return 0
fi
local -A VERBS=(
# systemd-efi-options takes an argument, but it is free-form, so we cannot complete it
[STANDALONE]='help status install update remove is-installed random-seed systemd-efi-options list set-timeout set-timeout-oneshot'
[BOOTENTRY]='set-default set-oneshot'
[BOOLEAN]='reboot-to-firmware'
)
for ((i=0; i < COMP_CWORD; i++)); do
if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
verb=${COMP_WORDS[i]}
break
fi
done
if [[ -z ${verb-} ]]; then
comps=${VERBS[*]}
elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
comps=''
elif __contains_word "$verb" ${VERBS[BOOTENTRY]}; then
name=
for ((i++; i < COMP_CWORD; i++)); do
if ! __contains_word "${COMP_WORDS[i]}" ${OPTS[*]} ${VERBS[*]} &&
! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
name=${COMP_WORDS[i]}
break;
fi
done
if [[ -z $name ]]; then
comps=$( __get_entry_ids )
else
comps=''
fi
elif __contains_word "$verb" ${VERBS[BOOLEAN]}; then
comps="yes no"
fi
COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
return 0
}
complete -F _bootctl bootctl
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