shell-completion/bash/systemd-analyze

   1 # shellcheck shell=bash
   2 # systemd-analyze(1) completion                      -*- shell-script -*-
   3 # SPDX-License-Identifier: LGPL-2.1-or-later
   4 #
   5 # This file is part of systemd.
   6 #
   7 # Copyright © 2010 Ran Benita
   8 #
   9 # systemd is free software; you can redistribute it and/or modify it
  10 # under the terms of the GNU Lesser General Public License as published by
  11 # the Free Software Foundation; either version 2.1 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # systemd is distributed in the hope that it will be useful, but
  15 # WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17 # General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU Lesser General Public License
  20 # along with systemd; If not, see <https://www.gnu.org/licenses/>.
  21
  22 __contains_word () {
  23     local w word=$1; shift
  24     for w in "$@"; do
  25         [[ $w = "$word" ]] && return
  26     done
  27 }
  28
  29 __get_machines() {
  30     local a b
  31     { machinectl list --full --max-addresses=0 --no-legend --no-pager 2>/dev/null; echo ".host"; } | \
  32         { while read a b; do echo " $a"; done; } | \
  33         sort -u
  34 }
  35
  36 __get_units_all() {
  37     systemctl list-units --no-legend --no-pager --plain --all $1 | \
  38         { while read -r a b c; do echo " $a"; done }
  39 }
  40
  41 __get_services() {
  42     systemctl list-units --no-legend --no-pager --plain -t service --all $1 | \
  43         { while read -r a b c; do [[ $b == "loaded" ]]; echo " $a"; done }
  44 }
  45
  46 __get_syscall_sets() {
  47     local line
  48     systemd-analyze syscall-filter --no-pager | while IFS= read -r line; do
  49         if [[ $line == @* ]]; then
  50             printf '%s\n' "$line"
  51         fi
  52     done
  53 }
  54
  55 __get_architectures() {
  56     systemd-analyze --no-legend --no-pager architectures | { while read -r a b; do echo " $a"; done }
  57 }
  58
  59 _systemd_analyze() {
  60     local i verb comps mode
  61     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
  62
  63     local -A OPTS=(
  64         [STANDALONE]='-h --help --version --system --user --global --order --require --no-pager
  65                              --man=no --generators=yes -q --quiet'
  66         [ARG]='-H --host -M --machine --fuzz --from-pattern --to-pattern --root'
  67     )
  68
  69     local -A VERBS=(
  70         [STANDALONE]='time blame unit-files unit-paths exit-status capability compare-versions calendar timestamp timespan pcrs srk'
  71         [CRITICAL_CHAIN]='critical-chain'
  72         [DOT]='dot'
  73         [DUMP]='dump'
  74         [VERIFY]='verify'
  75         [SECCOMP_FILTER]='syscall-filter'
  76         [CAT_CONFIG]='cat-config'
  77         [SECURITY]='security'
  78         [CONDITION]='condition'
  79         [INSPECT_ELF]='inspect-elf'
  80         [PLOT]='plot'
  81         [ARCHITECTURES]='architectures'
  82         [FDSTORE]='fdstore'
  83     )
  84
  85     local CONFIGS='locale.conf systemd/bootchart.conf systemd/coredump.conf systemd/journald.conf
  86                        systemd/journal-remote.conf systemd/journal-upload.conf systemd/logind.conf
  87                        systemd/resolved.conf systemd/networkd.conf systemd/pstore.conf systemd/resolved.conf
  88                        systemd/sleep.conf systemd/system.conf systemd/timedated.conf
  89                        systemd/timesyncd.conf systemd/user.conf udev/udev.conf'
  90
  91     _init_completion || return
  92
  93     for ((i=0; i < COMP_CWORD; i++)); do
  94         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  95                 ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  96             verb=${COMP_WORDS[i]}
  97             break
  98         fi
  99     done
 100
 101     if __contains_word "--user" ${COMP_WORDS[*]}; then
 102         mode=--user
 103     else
 104         mode=--system
 105     fi
 106
 107     if __contains_word "$prev" ${OPTS[ARG]}; then
 108         case $prev in
 109             --host|-H)
 110                 comps=$(compgen -A hostname)
 111                 ;;
 112             --machine|-M)
 113                 comps=$( __get_machines )
 114                 ;;
 115         esac
 116         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 117         return 0
 118     fi
 119
 120     if [[ -z ${verb-}  && $cur = -* ]]; then
 121         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 122         return 0
 123     fi
 124
 125     if [[ -z ${verb-} ]]; then
 126         comps=${VERBS[*]}
 127
 128     elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
 129         if [[ $cur = -* ]]; then
 130             comps='--help --version --system --user --global --no-pager'
 131         fi
 132
 133     elif __contains_word "$verb" ${VERBS[CRITICAL_CHAIN]}; then
 134         if [[ $cur = -* ]]; then
 135             comps='--help --version --system --user --fuzz --no-pager'
 136         else
 137             comps=$( __get_units_all $mode )
 138         fi
 139
 140     elif __contains_word "$verb" ${VERBS[DOT]}; then
 141         if [[ $cur = -* ]]; then
 142             comps='--help --version --system --user --global --from-pattern --to-pattern --order --require'
 143         fi
 144
 145     elif __contains_word "$verb" ${VERBS[DUMP]}; then
 146         if [[ $cur = -* ]]; then
 147             comps='--help --version --system --user --no-pager'
 148         else
 149             comps=$( __get_units_all $mode )
 150         fi
 151
 152     elif __contains_word "$verb" ${VERBS[SECCOMP_FILTER]}; then
 153         if [[ $cur = -* ]]; then
 154             comps='--help --version --no-pager'
 155         else
 156             comps=$( __get_syscall_sets )
 157         fi
 158
 159     elif __contains_word "$verb" ${VERBS[VERIFY]}; then
 160         if [[ $cur = -* ]]; then
 161             comps='--help --version --system --user --global --man=no --generators=yes --root --image --recursive-errors=no --recursive-errors=yes --recursive-errors=one'
 162         else
 163             comps=$( compgen -A file -- "$cur";
 164                      __get_units_all $mode )
 165             compopt -o filenames
 166         fi
 167
 168     elif __contains_word "$verb" ${VERBS[CAT_CONFIG]}; then
 169         if [[ $cur = -* ]]; then
 170             comps='--help --version --root --no-pager'
 171         elif [[ -z $cur ]]; then
 172             comps="$CONFIGS"
 173             compopt -o filenames
 174         else
 175             comps="$CONFIGS $( compgen -A file -- "$cur" )"
 176             compopt -o filenames
 177         fi
 178
 179     elif __contains_word "$verb" ${VERBS[SECURITY]}; then
 180         if [[ $cur = -* ]]; then
 181             comps='--help --version --no-pager --system --user -H --host -M --machine --offline --threshold --security-policy --json=off --json=pretty --json=short --root --image --profile=default --profile=nonetwork --profile=strict --profile=trusted'
 182         elif ! __contains_word "--offline" ${COMP_WORDS[*]}; then
 183             comps=$( __get_services $mode )
 184         else
 185             comps="$CONFIGS $( compgen -A file -- "$cur" )"
 186             compopt -o filenames
 187         fi
 188
 189     elif __contains_word "$verb" ${VERBS[CONDITION]}; then
 190         if [[ $cur = -* ]]; then
 191             comps='--help --version --system --user --global --no-pager --root --image'
 192         elif [[ $prev = "-u" ]] || [[ $prev = "--unit" ]]; then
 193             comps=$( __get_services $mode )
 194         fi
 195
 196     elif __contains_word "$verb" ${VERBS[INSPECT_ELF]}; then
 197         if [[ $cur = -* ]]; then
 198             comps='--help --version --json=off --json=pretty --json=short'
 199         else
 200             comps=$( compgen -A file -- "$cur" )
 201             compopt -o filenames
 202         fi
 203
 204     elif __contains_word "$verb" ${VERBS[PLOT]}; then
 205         if [[ $cur = -* ]]; then
 206             comps='--help --version --system --user --global --no-pager --json=off --json=pretty --json=short --table --no-legend'
 207         fi
 208
 209     elif __contains_word "$verb" ${VERBS[ARCHITECTURES]}; then
 210         if [[ $cur = -* ]]; then
 211             comps='--help --version --no-pager --json=off --json=pretty --json=short --no-legend'
 212         else
 213             comps=$( __get_architectures )
 214         fi
 215
 216     elif __contains_word "$verb" ${VERBS[FDSTORE]}; then
 217         if [[ $cur = -* ]]; then
 218             comps='--help --version --system --user --global -H --host -M --machine --no-pager --json=off --json=pretty --json=short --root --image'
 219         else
 220             comps=$( __get_services $mode )
 221         fi
 222     fi
 223
 224     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 225     return 0
 226 }
 227
 228 complete -F _systemd_analyze systemd-analyze