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208 lines
7.2 KiB
Bash
208 lines
7.2 KiB
Bash
# busctl(1) completion -*- shell-script -*-
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# SPDX-License-Identifier: LGPL-2.1+
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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 <http://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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__get_machines() {
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local a b
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machinectl list --no-legend --no-pager 2>/dev/null |
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{ while read a b; do echo " $a"; done; };
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}
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__get_busnames() {
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local mode=$1
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local a b
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busctl $mode list --no-legend --no-pager 2>/dev/null |
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{ while read a b; do echo " $a"; done; };
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}
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__get_objects() {
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local mode=$1
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local busname=$2
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local a b
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busctl $mode tree --list --no-legend --no-pager $busname 2>/dev/null |
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{ while read a b; do echo " $a"; done; };
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}
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__get_interfaces() {
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local mode=$1
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local busname=$2
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local path=$3
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local a b c
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busctl $mode introspect --list --no-legend --no-pager $busname $path 2>/dev/null |
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{ while read a b c; do [[ "$b" == "interface" ]] && echo " $a"; done; };
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}
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__get_members() {
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local mode=$1
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local busname=$2
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local path=$3
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local interface=$4
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local type=$5
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local flags=$6
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local a b c d e
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busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null |
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sed -e 's/^\.//' |
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{ while read a b c d e; do [[ "$b" == "$type" && ( -z $flags || "$e" == "$flags" ) ]] && echo " $a"; done; };
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}
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__get_signature() {
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local mode=$1
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local busname=$2
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local path=$3
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local interface=$4
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local member=$5
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local a b c d
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busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null |
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sed -e 's/^\.//' | { while read a b c d; do [[ "$a" == "$member" && "$c" != '-' ]] && echo " \"$c\""; done; };
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}
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_busctl() {
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local i n verb comps mode
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local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
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local -A OPTS=(
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[STANDALONE]='-h --help --version --no-pager --no-legend --system --user
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--show-machine --unique --acquired --activatable --list
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-q --quiet --verbose --expect-reply=no --auto-start=no
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--allow-interactive-authorization=no --augment-creds=no
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--watch-bind=yes -j'
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[ARG]='--address -H --host -M --machine --match --timeout --size --json
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--destination'
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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 $prev in
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--host|-H)
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comps=$(compgen -A hostname)
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;;
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--machine|-M)
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comps=$( __get_machines )
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;;
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--json)
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comps=$( busctl --json=help 2>/dev/null )
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;;
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--destination)
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comps=$( __get_busnames $mode )
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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[*]}' -- "$cur") )
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return 0
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fi
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local -A VERBS=(
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[STANDALONE]='list help'
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[BUSNAME]='status monitor capture tree'
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[OBJECT]='introspect'
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[METHOD]='call'
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[EMIT]='emit'
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[PROPERTY_GET]='get-property'
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[PROPERTY_SET]='set-property'
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)
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for ((i=0; i < COMP_CWORD; i++)); do
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if __contains_word "${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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n=$(($COMP_CWORD - $i))
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if [[ -z $verb ]]; then
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comps=${VERBS[*]}
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elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
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comps=''
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elif __contains_word "$verb" ${VERBS[BUSNAME]}; then
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comps=$( __get_busnames $mode)
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elif __contains_word "$verb" ${VERBS[OBJECT]}; then
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if [[ $n -eq 1 ]] ; then
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comps=$( __get_busnames $mode)
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elif [[ $n -eq 2 ]] ; then
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comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
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elif [[ $n -eq 3 ]] ; then
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comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
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else
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comps=''
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fi
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elif __contains_word "$verb" ${VERBS[METHOD]}; then
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if [[ $n -eq 1 ]] ; then
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comps=$( __get_busnames $mode)
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elif [[ $n -eq 2 ]] ; then
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comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
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elif [[ $n -eq 3 ]] ; then
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comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
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elif [[ $n -eq 4 ]] ; then
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comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} method)
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elif [[ $n -eq 5 ]] ; then
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comps=$( __get_signature $mode ${COMP_WORDS[COMP_CWORD-4]} ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
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else
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comps=''
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fi
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elif __contains_word "$verb" ${VERBS[EMIT]}; then
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comps=''
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elif __contains_word "$verb" ${VERBS[PROPERTY_GET]}; then
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if [[ $n -eq 1 ]] ; then
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comps=$( __get_busnames $mode)
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elif [[ $n -eq 2 ]] ; then
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comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
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elif [[ $n -eq 3 ]] ; then
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comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
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elif [[ $n -eq 4 ]] ; then
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comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} property)
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else
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comps=''
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fi
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elif __contains_word "$verb" ${VERBS[PROPERTY_SET]}; then
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if [[ $n -eq 1 ]] ; then
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comps=$( __get_busnames $mode)
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elif [[ $n -eq 2 ]] ; then
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comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
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elif [[ $n -eq 3 ]] ; then
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comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
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elif [[ $n -eq 4 ]] ; then
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comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} property writable)
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elif [[ $n -eq 5 ]] ; then
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comps=$( __get_signature $mode ${COMP_WORDS[COMP_CWORD-4]} ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
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else
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comps=''
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fi
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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 _busctl busctl
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