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Diffstat (limited to '')
| -rw-r--r-- | shell-completion/bash/resolvectl | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/shell-completion/bash/resolvectl b/shell-completion/bash/resolvectl new file mode 100644 index 0000000..21f8014 --- /dev/null +++ b/shell-completion/bash/resolvectl @@ -0,0 +1,204 @@ +# resolvectl(1) completion -*- shell-script -*- +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see <https://www.gnu.org/licenses/>. + +__contains_word () { + local w word=$1; shift + for w in "$@"; do + [[ $w = "$word" ]] && return + done +} + +__get_interfaces(){ + local name + for name in $(cd /sys/class/net && command ls); do + [[ "$name" != "lo" ]] && echo "$name" + done +} + +_resolvectl() { + local i comps verb name + local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} + local -A OPTS=( + [STANDALONE]='-h --help --version -4 -6 --legend=no --cname=no + --validate=no --synthesize=no --cache=no --zone=no + --trust-anchor=no --network=no --service-address=no + --service-txt=no --search=no --no-pager' + [ARG]='-t --type -c --class -i --interface -p --protocol --raw' + ) + local -A VERBS=( + [DOMAIN]='query service openpgp' + [FAMILY]='tlsa' + [STATUS]='status' + [LINK]='revert dns domain nta' + [BOOLEAN]='default-route' + [RESOLVE]='llmnr mdns' + [DNSSEC]='dnssec' + [DNSOVERTLS]='dnsovertls' + [STANDALONE]='statistics reset-statistics flush-caches reset-server-features' + [LOG_LEVEL]='log-level' + ) + local -A ARGS=( + [FAMILY]='tcp udp sctp' + [BOOLEAN]='yes no' + [RESOLVE]='yes no resolve' + [DNSSEC]='yes no allow-downgrade' + [DNSOVERTLS]='yes no opportunistic' + ) + local interfaces=$( __get_interfaces ) + + if __contains_word "$prev" ${OPTS[ARG]}; then + case $prev in + --interface|-i) + comps="$interfaces" + ;; + --protocol|-p|--type|-t|--class|-c) + comps=$( resolvectl --legend=no "$prev" help; echo help ) + ;; + --raw) + comps="payload packet" + ;; + esac + COMPREPLY=( $(compgen -W '$comps' -- "$cur") ) + return 0 + fi + + if [[ "$cur" = -* ]]; then + COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") ) + return 0 + fi + + for ((i=0; i < COMP_CWORD; i++)); do + if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} && + ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then + verb=${COMP_WORDS[i]} + break + fi + done + + if [[ -z ${verb-} ]]; then + comps="${VERBS[*]}" + + elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[DOMAIN]}; then + comps='' + + elif __contains_word "$verb" ${VERBS[STATUS]}; then + comps="$interfaces" + + elif __contains_word "$verb" ${VERBS[LOG_LEVEL]}; then + comps='debug info notice warning err crit alert emerg' + + elif __contains_word "$verb" ${VERBS[FAMILY]}; then + for ((i++; i < COMP_CWORD; i++)); do + if __contains_word "${COMP_WORDS[i]}" ${ARGS[FAMILY]} && + ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then + name=${COMP_WORDS[i]} + break; + fi + done + if [[ -z $name ]]; then + comps=${ARGS[FAMILY]} + else + comps="" + fi + + elif __contains_word "$verb" ${VERBS[LINK]} ${VERBS[BOOLEAN]} ${VERBS[RESOLVE]} ${VERBS[DNSSEC]} ${VERBS[DNSOVERTLS]}; then + for ((i++; i < COMP_CWORD; i++)); do + if __contains_word "${COMP_WORDS[i]}" $interfaces && + ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then + name=${COMP_WORDS[i]} + break; + fi + done + + if [[ -z $name ]]; then + comps="$interfaces" + + elif __contains_word "$verb" ${VERBS[RESOLVE]}; then + name= + for ((i++; i < COMP_CWORD; i++)); do + if __contains_word "${COMP_WORDS[i]}" ${ARGS[RESOLVE]} && + ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then + name=${COMP_WORDS[i]} + break; + fi + done + + if [[ -z $name ]]; then + comps=${ARGS[RESOLVE]} + else + comps='' + fi + + elif __contains_word "$verb" ${VERBS[BOOLEAN]}; then + name= + for ((i++; i < COMP_CWORD; i++)); do + if __contains_word "${COMP_WORDS[i]}" ${ARGS[BOOLEAN]} && + ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then + name=${COMP_WORDS[i]} + break; + fi + done + + if [[ -z $name ]]; then + comps=${ARGS[BOOLEAN]} + else + comps='' + fi + + elif __contains_word "$verb" ${VERBS[DNSSEC]}; then + name= + for ((i++; i < COMP_CWORD; i++)); do + if __contains_word "${COMP_WORDS[i]}" ${ARGS[DNSSEC]} && + ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then + name=${COMP_WORDS[i]} + break; + fi + done + + if [[ -z $name ]]; then + comps=${ARGS[DNSSEC]} + else + comps='' + fi + + elif __contains_word "$verb" ${VERBS[DNSOVERTLS]}; then + name= + for ((i++; i < COMP_CWORD; i++)); do + if __contains_word "${COMP_WORDS[i]}" ${ARGS[DNSOVERTLS]} && + ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then + name=${COMP_WORDS[i]} + break; + fi + done + + if [[ -z $name ]]; then + comps=${ARGS[DNSOVERTLS]} + else + comps='' + fi + + else + comps='' + fi + fi + + COMPREPLY=( $(compgen -W '$comps' -- "$cur") ) + return 0 +} + +complete -F _resolvectl resolvectl |