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4ccde410a3
getopt allows non-ambiguous abbreviations, so backwards-compat is maintained, and people can use --kill-who (or even shorter abbreviations). English is flexible, so in common speach people would use both forms, even if "whom" is technically more correct. The advantage of using the longer form in the code is that we effectively allow both forms, so we stop punishing people who DTGCT¹, but still allow people to use the spoken form if they prefer. 1. Do the gramatically correct thing
117 lines
3.7 KiB
Bash
117 lines
3.7 KiB
Bash
# machinectl(1) completion -*- shell-script -*-
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# SPDX-License-Identifier: LGPL-2.1-or-later
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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 <https://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-images --full --no-legend --no-pager; machinectl list --full --no-legend --no-pager; echo ".host") | \
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{ while read a b; do echo " $a"; done; } | sort -u;
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}
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_machinectl() {
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local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
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local i verb comps
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local -A OPTS=(
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[STANDALONE]='--all -a -l --full --help -h --no-ask-password --no-legend --no-pager --version --value
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--mkdir --read-only --force -q --quiet'
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[ARG]='--host -H --kill-whom -M --machine --property -p --signal -s --uid -E --setenv -n --lines
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-o --output --verify --format --max-addresses'
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)
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local -A VERBS=(
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[STANDALONE]='list list-images clean pull-tar pull-raw list-transfers cancel-transfer import-fs'
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[MACHINES]='status show start stop login shell enable disable poweroff reboot terminate kill bind
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copy-to copy-from image-status show-image clone rename read-only remove set-limit
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export-tar export-raw'
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[FILE]='import-tar import-raw'
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)
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_init_completion || return
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for ((i=0; i <= COMP_CWORD; i++)); do
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if __contains_word "${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 __contains_word "$prev" ${OPTS[ARG]}; then
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case $prev in
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--signal|-s)
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_signals
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return
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;;
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--kill-whom|--kill-who)
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comps='all leader'
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;;
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--host|-H)
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comps=$(compgen -A hostname)
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;;
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--machine|-M)
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comps=$( __get_machines )
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;;
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--property|-p)
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comps=''
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;;
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--output|-o)
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comps=$( machinectl --output=help 2>/dev/null )
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;;
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--verify)
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comps=$( machinectl --verify=help 2>/dev/null )
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;;
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--format)
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comps='uncompressed xz gzip bzip2'
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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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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" ${VERBS[MACHINES]}; then
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comps=$( __get_machines )
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elif __contains_word "$verb" ${VERBS[FILE]}; then
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comps=$(compgen -f -- "cur")
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compopt -o filenames
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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 _machinectl machinectl
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