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https://github.com/systemd/systemd.git
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139 lines
4.3 KiB
Bash
139 lines
4.3 KiB
Bash
# shellcheck shell=bash
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# systemd-sysupdate(8) 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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# List the components or features known to the installation. The argument is both
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# the verb to invoke ('components' or 'features') and the JSON array key to extract.
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__systemd_sysupdate_list() {
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systemd-sysupdate --no-pager --json=short "$1" 2>/dev/null |
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sed -n "s/.*\"$1\":\[\([^]]*\)\].*/\1/p" | tr ',' '\n' | tr -d '"'
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}
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_systemd-sysupdate() {
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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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-A --component-all
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-S --component-suggested
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-a --feature-all
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-s --feature-suggested
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--reboot
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--offline'
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[ARG]='-C --component
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--definitions
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--root
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--image
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--image-policy
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--transfer-source
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-m --instances-max
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--sync
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--verify
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--cleanup
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--json'
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)
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local -A VERBS=(
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[STANDALONE]='check-new
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vacuum
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cleanup
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pending
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reboot
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components'
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[VERSION]='list
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update
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acquire'
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[FEATURE]='features
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enable-feature
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disable-feature'
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[COMPONENT]='enable-component
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disable-component'
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)
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_init_completion || return
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if __contains_word "$prev" ${OPTS[ARG]}; then
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case $prev in
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-C|--component)
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comps=$( __systemd_sysupdate_list components )
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;;
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--definitions|--root|--transfer-source)
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comps=$(compgen -A directory -- "$cur" )
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compopt -o dirnames
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;;
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--image)
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comps=$(compgen -A file -- "$cur" )
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compopt -o filenames
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;;
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--image-policy)
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comps=''
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;;
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--instances-max|-m)
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comps=''
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;;
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--sync|--verify|--cleanup)
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comps='no yes'
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;;
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--json)
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comps='pretty short off'
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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" ${VERBS[FEATURE]}; then
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comps=$( __systemd_sysupdate_list features )
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elif __contains_word "$verb" ${VERBS[COMPONENT]}; then
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comps=$( __systemd_sysupdate_list components )
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else
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# STANDALONE verbs take no argument, VERSION verbs take a remote version
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# that cannot be enumerated locally.
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comps=''
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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 _systemd-sysupdate systemd-sysupdate
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