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aec96077fa
Add bash and zsh completions for updatectl commands and options. Complete targets and host features dynamically from updatectl output. Closes #43277
99 lines
2.8 KiB
Bash
99 lines
2.8 KiB
Bash
# shellcheck shell=bash
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# updatectl(1) completion -*- shell-script -*-
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# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# systemd is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with systemd; If not, see <https://www.gnu.org/licenses/>.
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__contains_word () {
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local w word=$1; shift
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for w in "$@"; do
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[[ $w = "$word" ]] && return
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done
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}
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__updatectl_targets() {
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updatectl --no-pager --no-legend list 2>/dev/null |
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sed -n 's/^[^[:alnum:]_.@%+=:,~-]*\([[:alnum:]_.@%+=:,~-]\+\).*/\1/p'
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}
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__updatectl_features() {
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updatectl --no-pager --no-legend features 2>/dev/null |
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sed -n 's/^[^[:space:]]\+[[:space:]]\+\([[:alnum:]_.@%+=:,~-]\+\).*/\1/p'
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}
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_updatectl() {
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local i verb comps
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local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
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local -A OPTS=(
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[STANDALONE]='-h --help --version
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--no-pager
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--no-legend
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--no-ask-password
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--reboot
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--offline
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--now'
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[ARG]='-H --host'
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)
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local -A VERBS=(
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[TARGET]='list
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check
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update
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vacuum'
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[FEATURE]='features
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enable
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disable'
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)
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_init_completion -n : || return
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if __contains_word "$prev" ${OPTS[ARG]}; then
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case $prev in
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--host|-H)
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comps=$(compgen -A hostname)
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;;
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esac
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COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
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return 0
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fi
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if [[ "$cur" = -* ]]; then
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COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
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return 0
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fi
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for ((i=0; i < COMP_CWORD; i++)); do
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if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
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! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
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verb=${COMP_WORDS[i]}
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break
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fi
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done
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if [[ -z ${verb-} ]]; then
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comps=${VERBS[*]}
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elif __contains_word "$verb" ${VERBS[TARGET]}; then
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comps=$( __updatectl_targets )
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elif __contains_word "$verb" ${VERBS[FEATURE]}; then
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comps=$( __updatectl_features )
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fi
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COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
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return 0
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}
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complete -F _updatectl updatectl
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