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bash-completion: add completion for resolvectl
This commit is contained in:
Yu Watanabe
parent
b69f810c8a
commit
bd188ff0ee
@ -42,6 +42,7 @@ if bashcompletiondir != 'no'
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['machinectl', 'ENABLE_MACHINED'],
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['networkctl', 'ENABLE_NETWORKD'],
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['systemd-resolve', 'ENABLE_RESOLVE'],
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['resolvectl', 'ENABLE_RESOLVE'],
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['timedatectl', 'ENABLE_TIMEDATED'],
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]
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165
shell-completion/bash/resolvectl
Normal file
165
shell-completion/bash/resolvectl
Normal file
@ -0,0 +1,165 @@
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# resolvectl(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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# Copyright 2018 Yu Watanabe
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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_interfaces(){
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{ cd /sys/class/net && echo *; } | \
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while read -d' ' -r name; do
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[[ "$name" != "lo" ]] && echo "$name"
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done
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}
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_resolvectl() {
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local i comps verb name
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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 -4 -6
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--service-address=no --service-txt=no
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--cname=no --search=no --legend=no'
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[ARG]='-i --interface -p --protocol -t --type -c --class --raw'
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)
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local -A VERBS=(
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[DOMAIN]='query service openpgp'
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[FAMILY]='tlsa'
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[STATUS]='status'
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[LINK]='revert dns domain nta'
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[RESOLVE]='llmnr mdns'
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[DNSSEC]='dnssec'
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[STANDALONE]='statistics reset-statistics flush-caches reset-server-features'
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)
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local -A ARGS=(
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[FAMILY]='tcp udp sctp'
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[RESOLVE]='yes no resolve'
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[DNSSEC]='yes no allow-downgrade'
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)
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local interfaces=$( __get_interfaces )
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if __contains_word "$prev" ${OPTS[ARG]}; then
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case $prev in
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--interface|-i)
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comps="$interfaces"
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;;
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--protocol|-p|--type|-t|--class|-c)
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comps=$( resolvectl --legend=no "$prev" help; echo help )
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;;
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--raw)
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comps="payload packet"
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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[STANDALONE]} ${VERBS[DOMAIN]}; then
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comps=''
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elif __contains_word "$verb" ${VERBS[STATUS]}; then
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comps="$interfaces"
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elif __contains_word "$verb" ${VERBS[FAMILY]}; then
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for ((i++; i < COMP_CWORD; i++)); do
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if __contains_word "${COMP_WORDS[i]}" ${ARGS[FAMILY]} &&
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! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
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name=${COMP_WORDS[i]}
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break;
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fi
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done
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if [[ -z $name ]]; then
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comps=${ARGS[FAMILY]}
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else
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comps=""
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fi
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elif __contains_word "$verb" ${VERBS[LINK]} ${VERBS[RESOLVE]} ${VERBS[DNSSEC]}; then
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for ((i++; i < COMP_CWORD; i++)); do
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if __contains_word "${COMP_WORDS[i]}" $interfaces &&
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! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
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name=${COMP_WORDS[i]}
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break;
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fi
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done
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if [[ -z $name ]]; then
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comps="$interfaces"
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elif __contains_word "$verb" ${VERBS[RESOLVE]}; then
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name=
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for ((i++; i < COMP_CWORD; i++)); do
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if __contains_word "${COMP_WORDS[i]}" ${ARGS[RESOLVE]} &&
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! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
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name=${COMP_WORDS[i]}
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break;
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fi
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done
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if [[ -z $name ]]; then
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comps=${ARGS[RESOLVE]}
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else
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comps=''
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fi
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elif __contains_word "$verb" ${VERBS[DNSSEC]}; then
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name=
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for ((i++; i < COMP_CWORD; i++)); do
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if __contains_word "${COMP_WORDS[i]}" ${ARGS[DNSSEC]} &&
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! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
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name=${COMP_WORDS[i]}
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break;
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fi
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done
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if [[ -z $name ]]; then
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comps=${ARGS[DNSSEC]}
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else
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comps=''
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fi
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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 _resolvectl resolvectl
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