146 lines
5.9 KiB
Bash
146 lines
5.9 KiB
Bash
# 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 General Public License as published by
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# the Free Software Foundation; either version 2 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 General Public License
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# along with systemd; If not, see <http://www.gnu.org/licenses/>.
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__contains_word () {
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local word=$1; shift
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for w in $*; do [[ $w = $word ]] && return 0; done
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return 1
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}
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__filter_units_by_property () {
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local property=$1 value=$2 ; shift ; shift
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local -a units=( $* )
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local -a props=( $(systemctl show --property "$property" -- ${units[*]} | grep -v ^$) )
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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 list-units --full --all | awk ' {print $1}' ; }
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__get_active_units () { systemctl list-units --full | awk ' {print $1}' ; }
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__get_inactive_units () { systemctl list-units --full --all | awk '$3 == "inactive" {print $1}' ; }
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__get_failed_units () { systemctl list-units --full | awk '$3 == "failed" {print $1}' ; }
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_systemctl () {
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local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
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local verb comps
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local -A OPTS=(
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[STANDALONE]='--all -a --defaults --fail --force -f --full --global
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--help -h --no-ask-password --no-block --no-reload --no-wall
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--order --require --quiet -q --system --user --version'
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[ARG]='--kill-mode --kill-who --property -p --signal -s --type -t'
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)
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if __contains_word "$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 | grep '^SIG' | grep -Ev 'RTMIN|RTMAX|JUNK')
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;;
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--type|-t)
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comps='automount device mount path service snapshot socket swap target timer'
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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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--kill-mode)
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comps='control-group process process-group'
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;;
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--property|-p)
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comps=''
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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]='enable disable is-active is-enabled status show'
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[FAILED_UNITS]='reset-failed'
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[STARTABLE_UNITS]='start restart reload-or-restart'
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[STOPPABLE_UNITS]='stop kill try-restart condrestart'
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[ISOLATEBLE_UNITS]='isolate'
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[RELOADABLE_UNITS]='reload reload-or-try-restart force-reload'
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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 dot dump emergency exit halt kexec
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list-jobs list-units poweroff reboot rescue show-environment'
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[NAME]='snapshot load'
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)
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local verb
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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 )
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elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
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comps=$( __filter_units_by_property CanStart yes \
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$( __get_inactive_units | grep -Ev '\.(device|snapshot)$' ))
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elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
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comps=$( __filter_units_by_property CanStop yes \
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$( __get_active_units ) )
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elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
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comps=$( __filter_units_by_property CanReload yes \
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$( __get_active_units ) )
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elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
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comps=$( __filter_units_by_property AllowIsolate yes \
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$( __get_all_units ) )
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elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
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comps=$( __get_failed_units )
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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 list-jobs | awk '{print $1}' )
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elif __contains_word "$verb" ${VERBS[SNAPSHOTS]}; then
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comps=$( systemctl list-units --type snapshot --full --all | awk '{print $1}' )
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elif __contains_word "$verb" ${VERBS[ENVS]}; then
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comps=$( systemctl show-environment | sed 's_\([^=]\+=\).*_\1_' )
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compopt -o nospace
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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 _systemctl systemctl
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