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4ed2f1b1f1
{} is preferred to (), because the first is just grouping, while the
second invokes a separate shell.
288 lines
12 KiB
Bash
288 lines
12 KiB
Bash
# systemctl(1) completion -*- shell-script -*-
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#
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# This file is part of systemd.
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#
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# Copyright 2010 Ran Benita
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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 <http://www.gnu.org/licenses/>.
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__systemctl() {
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local mode=$1; shift 1
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systemctl $mode --full --no-legend "$@"
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}
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__systemd_properties() {
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local mode=$1
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{ __systemctl $mode show --all;
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@rootlibexecdir@/systemd --dump-configuration-items; } |
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while IFS='=' read -r key value; do
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[[ $value ]] && echo "$key"
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done
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}
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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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__filter_units_by_property () {
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local mode=$1 property=$2 value=$3 ; shift 3
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local units=("$@")
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local props
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IFS=$'\n' read -rd '' -a props < \
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<(__systemctl $mode show --property "$property" -- "${units[@]}")
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for ((i=0; $i < ${#units[*]}; i++)); do
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if [[ "${props[i]}" = "$property=$value" ]]; then
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echo " ${units[i]}"
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fi
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done
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}
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__get_all_units () { { __systemctl $1 list-unit-files; __systemctl $1 list-units --all; } \
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| { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }; }
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__get_template_names () { __systemctl $1 list-unit-files \
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| { while read -r a b; do [[ $a =~ @\. ]] && echo " ${a%%@.*}@"; done; }; }
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__get_active_units () { __systemctl $1 list-units \
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| { while read -r a b; do echo " $a"; done; }; }
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__get_startable_units () {
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# find startable inactive units
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__filter_units_by_property $mode ActiveState inactive $(
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__filter_units_by_property $mode CanStart yes $(
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__systemctl $mode list-unit-files --state enabled,disabled,static | \
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{ while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
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__systemctl $mode list-units --state inactive,failed | \
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{ while read -r a b; do echo " $a"; done; } ))
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}
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__get_restartable_units () {
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# filter out masked and not-found
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__filter_units_by_property $mode CanStart yes $(
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__systemctl $mode list-unit-files --state enabled,disabled,static | \
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{ while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
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__systemctl $mode list-units | \
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{ while read -r a b; do echo " $a"; done; } )
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}
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__get_failed_units () { __systemctl $1 list-units \
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| { while read -r a b c d; do [[ $c == "failed" ]] && echo " $a"; done; }; }
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__get_enabled_units () { __systemctl $1 list-unit-files \
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| { while read -r a b c ; do [[ $b == "enabled" ]] && echo " $a"; done; }; }
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__get_disabled_units () { __systemctl $1 list-unit-files \
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| { while read -r a b c ; do [[ $b == "disabled" ]] && echo " $a"; done; }; }
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__get_masked_units () { __systemctl $1 list-unit-files \
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| { while read -r a b c ; do [[ $b == "masked" ]] && echo " $a"; done; }; }
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__get_all_unit_files () { { __systemctl $1 list-unit-files; } | { while read -r a b; do echo " $a"; done; }; }
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__get_machines() {
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local a b
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{ machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; } | \
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{ while read a b; do echo " $a"; done; }
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}
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_systemctl () {
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local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
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local i verb comps mode
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local -A OPTS=(
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[STANDALONE]='--all -a --reverse --after --before --defaults --failed --force -f --full -l --global
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--help -h --no-ask-password --no-block --no-legend --no-pager --no-reload --no-wall
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--quiet -q --privileged -P --system --user --version --runtime --recursive -r --firmware-setup
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--show-types -i --ignore-inhibitors --plain'
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[ARG]='--host -H --kill-who --property -p --signal -s --type -t --state --job-mode --root
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--preset-mode -n --lines -o --output -M --machine'
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)
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if __contains_word "--user" ${COMP_WORDS[*]}; then
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mode=--user
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else
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mode=--system
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fi
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if __contains_word "$prev" ${OPTS[ARG]}; then
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case $prev in
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--signal|-s)
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comps=$(compgen -A signal)
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;;
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--type|-t)
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comps=$(__systemctl $mode -t help)
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;;
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--state)
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comps=$(__systemctl $mode --state=help)
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;;
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--job-mode)
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comps='fail replace replace-irreversibly isolate
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ignore-dependencies ignore-requirements flush'
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;;
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--kill-who)
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comps='all control main'
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;;
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--root)
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comps=$(compgen -A directory -- "$cur" )
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compopt -o filenames
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;;
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--host|-H)
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comps=$(compgen -A hostname)
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;;
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--property|-p)
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comps=$(__systemd_properties $mode)
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;;
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--preset-mode)
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comps='full enable-only disable-only'
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;;
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--output|-o)
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comps='short short-iso short-precise short-monotonic verbose export json
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json-pretty json-sse cat'
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;;
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--machine|-M)
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comps=$( __get_machines )
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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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local -A VERBS=(
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[ALL_UNITS]='is-active is-failed is-enabled status show cat mask preset help list-dependencies edit'
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[ENABLED_UNITS]='disable'
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[DISABLED_UNITS]='enable'
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[REENABLABLE_UNITS]='reenable'
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[FAILED_UNITS]='reset-failed'
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[STARTABLE_UNITS]='start'
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[STOPPABLE_UNITS]='stop condstop kill try-restart condrestart'
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[ISOLATABLE_UNITS]='isolate'
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[RELOADABLE_UNITS]='reload condreload reload-or-try-restart force-reload'
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[RESTARTABLE_UNITS]='restart reload-or-restart'
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[TARGET_AND_UNITS]='add-wants add-requires'
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[MASKED_UNITS]='unmask'
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[JOBS]='cancel'
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[SNAPSHOTS]='delete'
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[ENVS]='set-environment unset-environment'
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[STANDALONE]='daemon-reexec daemon-reload default
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emergency exit halt hibernate hybrid-sleep kexec list-jobs
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list-sockets list-timers list-units list-unit-files poweroff
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reboot rescue show-environment suspend get-default
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is-system-running'
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[NAME]='snapshot'
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[FILE]='link switch-root'
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[TARGETS]='set-default'
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)
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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" ${VERBS[ALL_UNITS]}; then
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comps=$( __get_all_units $mode )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[ENABLED_UNITS]}; then
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comps=$( __get_enabled_units $mode )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[DISABLED_UNITS]}; then
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comps=$( __get_disabled_units $mode;
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__get_template_names $mode)
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[REENABLABLE_UNITS]}; then
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comps=$( __get_disabled_units $mode;
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__get_enabled_units $mode;
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__get_template_names $mode)
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
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comps=$( __get_startable_units $mode;
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__get_template_names $mode)
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[RESTARTABLE_UNITS]}; then
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comps=$( __get_restartable_units $mode;
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__get_template_names $mode)
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
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comps=$( __filter_units_by_property $mode CanStop yes \
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$( __get_active_units $mode ) )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
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comps=$( __filter_units_by_property $mode CanReload yes \
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$( __get_active_units $mode ) )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
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comps=$( __filter_units_by_property $mode AllowIsolate yes \
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$( __get_all_units $mode ) )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
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comps=$( __get_failed_units $mode )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[MASKED_UNITS]}; then
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comps=$( __get_masked_units $mode )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[TARGET_AND_UNITS]}; then
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if __contains_word "$prev" ${VERBS[TARGET_AND_UNITS]} \
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|| __contains_word "$prev" ${OPTS[STANDALONE]}; then
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comps=$( __systemctl $mode list-unit-files --type target --all \
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| { while read -r a b; do echo " $a"; done; } )
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else
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comps=$( __get_all_unit_files $mode )
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fi
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[NAME]}; then
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comps=''
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elif __contains_word "$verb" ${VERBS[JOBS]}; then
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comps=$( __systemctl $mode list-jobs | { while read -r a b; do echo " $a"; done; } )
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elif __contains_word "$verb" ${VERBS[SNAPSHOTS]}; then
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comps=$( __systemctl $mode list-units --type snapshot --full --all \
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| { while read -r a b; do echo " $a"; done; } )
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elif __contains_word "$verb" ${VERBS[ENVS]}; then
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comps=$( __systemctl $mode show-environment \
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| while read -r line; do echo " ${line%%=*}=";done )
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compopt -o nospace
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elif __contains_word "$verb" ${VERBS[FILE]}; then
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comps=$( compgen -A file -- "$cur" )
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compopt -o filenames
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elif __contains_word "$verb" ${VERBS[TARGETS]}; then
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comps=$( __systemctl $mode list-unit-files --type target --full --all \
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| { while read -r a b; do echo " $a"; done; } )
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fi
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COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
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return 0
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}
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complete -F _systemctl systemctl
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