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systemd/shell-completion/bash/systemd-analyze
2018-09-30 22:27:27 +02:00

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# systemd-analyze(1) completion -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of systemd.
#
# Copyright © 2010 Ran Benita
#
# 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 <http://www.gnu.org/licenses/>.
__contains_word () {
local w word=$1; shift
for w in "$@"; do
[[ $w = "$word" ]] && return
done
}
__get_machines() {
local a b
machinectl list --no-legend --no-pager | { while read a b; do echo " $a"; done; };
}
__get_syscall_sets() {
local line
systemd-analyze syscall-filter --no-pager | while IFS= read -r line; do
if [[ $line == @* ]]; then
printf '%s\n' "$line"
fi
done
}
_systemd_analyze() {
local i verb comps
local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
local -A OPTS=(
[STANDALONE]='-h --help --version --system --user --global --order --require --no-pager
--man=no --generators=yes'
[ARG]='-H --host -M --machine --fuzz --from-pattern --to-pattern --root'
)
local -A VERBS=(
[STANDALONE]='time blame plot dump unit-paths calendar'
[CRITICAL_CHAIN]='critical-chain'
[DOT]='dot'
[LOG_LEVEL]='log-level'
[LOG_TARGET]='log-target'
[VERIFY]='verify'
[SECCOMP_FILTER]='syscall-filter'
[SERVICE_WATCHDOGS]='service-watchdogs'
[CAT_CONFIG]='cat-config'
)
local CONFIGS='systemd/bootchart.conf systemd/coredump.conf systemd/journald.conf
systemd/journal-remote.conf systemd/journal-upload.conf systemd/logind.conf
systemd/resolved.conf systemd/networkd.conf systemd/resolved.conf
systemd/sleep.conf systemd/system.conf systemd/timedated.conf
systemd/timesyncd.conf systemd/user.conf udev/udev.conf'
_init_completion || return
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 __contains_word "$prev" ${OPTS[ARG]}; then
case $prev in
--host|-H)
comps=$(compgen -A hostname)
;;
--machine|-M)
comps=$( __get_machines )
;;
esac
COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
return 0
fi
if [[ -z $verb && $cur = -* ]]; then
COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
return 0
fi
if [[ -z $verb ]]; then
comps=${VERBS[*]}
elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
if [[ $cur = -* ]]; then
comps='--help --version --system --user --global --no-pager'
fi
elif __contains_word "$verb" ${VERBS[CRITICAL_CHAIN]}; then
if [[ $cur = -* ]]; then
comps='--help --version --system --user --fuzz --no-pager'
fi
elif __contains_word "$verb" ${VERBS[DOT]}; then
if [[ $cur = -* ]]; then
comps='--help --version --system --user --global --from-pattern --to-pattern --order --require'
fi
elif __contains_word "$verb" ${VERBS[LOG_LEVEL]}; then
if [[ $cur = -* ]]; then
comps='--help --version --system --user'
else
comps='debug info notice warning err crit alert emerg'
fi
elif __contains_word "$verb" ${VERBS[LOG_TARGET]}; then
if [[ $cur = -* ]]; then
comps='--help --version --system --user'
else
comps='console journal kmsg journal-or-kmsg null'
fi
elif __contains_word "$verb" ${VERBS[SECCOMP_FILTER]}; then
if [[ $cur = -* ]]; then
comps='--help --version --no-pager'
else
comps=$( __get_syscall_sets )
fi
elif __contains_word "$verb" ${VERBS[VERIFY]}; then
if [[ $cur = -* ]]; then
comps='--help --version --system --user --global --man=no --generators=yes'
else
comps=$( compgen -A file -- "$cur" )
compopt -o filenames
fi
elif __contains_word "$verb" ${VERBS[SERVICE_WATCHDOGS]}; then
if [[ $cur = -* ]]; then
comps='--help --version --system --user'
else
comps='on off'
fi
elif __contains_word "$verb" ${VERBS[CAT_CONFIG]}; then
if [[ $cur = -* ]]; then
comps='--help --version --root --no-pager'
elif [[ -z $cur ]]; then
comps="$CONFIGS"
compopt -o filenames
else
comps="$CONFIGS $( compgen -A file -- "$cur" )"
compopt -o filenames
fi
fi
COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
return 0
}
complete -F _systemd_analyze systemd-analyze