shell-completion/bash/systemctl.in

   1 # systemctl(1) completion                                 -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   3 #
   4 # This file is part of systemd.
   5 #
   6 # Copyright 2010 Ran Benita
   7 #
   8 # systemd is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as published by
  10 # the Free Software Foundation; either version 2.1 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # systemd is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 # General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public License
  19 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20
  21 __systemctl() {
  22         local mode=$1; shift 1
  23         systemctl $mode --full --no-legend "$@" 2>/dev/null
  24 }
  25
  26 __systemd_properties() {
  27         local mode=$1
  28         { __systemctl $mode show --all;
  29          @rootlibexecdir@/systemd --dump-configuration-items; } |
  30         while IFS='=' read -r key value; do
  31             [[ $value ]] && echo "$key"
  32         done
  33 }
  34
  35 __contains_word () {
  36         local w word=$1; shift
  37         for w in "$@"; do
  38                 [[ $w = "$word" ]] && return
  39         done
  40 }
  41
  42 __filter_units_by_property () {
  43         local mode=$1 property=$2 value=$3 ; shift 3
  44         local units=("$@")
  45         local props i
  46         IFS=$'\n' read -rd '' -a props < \
  47             <(__systemctl $mode show --property "$property" -- "${units[@]}")
  48         for ((i=0; $i < ${#units[*]}; i++)); do
  49                 if [[ "${props[i]}" = "$property=$value" ]]; then
  50                         echo " ${units[i]}"
  51                 fi
  52         done
  53 }
  54
  55 __filter_units_by_properties () {
  56         local mode=$1 properties=$2 values=$3 ; shift 3
  57         local units=("$@")
  58         local props i j conditions=()
  59         IFS=$'\n' read -rd '' -a props < \
  60             <(__systemctl $mode show --property "$properties" -- "${units[@]}")
  61         IFS=$',' read -r -a properties < <(echo $properties)
  62         IFS=$',' read -r -a values < <(echo $values)
  63         for ((i=0; i < ${#properties[*]}; i++)); do
  64                 for ((j=0; j < ${#properties[*]}; j++)); do
  65                         if [[ ${props[i]%%=*} == ${properties[j]} ]]; then
  66                                 conditions+=( "${properties[j]}=${values[j]}" )
  67                         fi
  68                 done
  69         done
  70         for ((i=0; i < ${#units[*]}; i++)); do
  71                 for ((j=0; j < ${#conditions[*]}; j++)); do
  72                         if [[ "${props[i * ${#conditions[*]} + j]}" != "${conditions[j]}" ]]; then
  73                                 break
  74                         fi
  75                 done
  76                 if (( j == ${#conditions[*]} )); then
  77                         echo " ${units[i]}"
  78                 fi
  79         done
  80 }
  81
  82 __get_all_units      () { { __systemctl $1 list-unit-files; __systemctl $1 list-units --all; } \
  83         | { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }; }
  84 __get_template_names () { __systemctl $1 list-unit-files \
  85         | { while read -r a b; do [[ $a =~ @\. ]] && echo " ${a%%@.*}@"; done; }; }
  86
  87 __get_active_units   () { __systemctl $1 list-units       \
  88         | { while read -r a b; do echo " $a"; done; }; }
  89 __get_startable_units () {
  90         # find startable inactive units
  91         __filter_units_by_properties $1 ActiveState,CanStart inactive,yes $(
  92             { __systemctl $1 list-unit-files --state enabled,enabled-runtime,linked,linked-runtime,static,indirect,disabled,generated,transient | \
  93                       { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
  94               __systemctl $1 list-units --state inactive,failed | \
  95                       { while read -r a b c; do [[ $b == "loaded" ]] && echo " $a"; done; }
  96             } | sort -u )
  97 }
  98 __get_restartable_units () {
  99         # filter out masked and not-found
 100         __filter_units_by_property $1 CanStart yes $(
 101             __systemctl $1 list-unit-files --state enabled,disabled,static | \
 102                     { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
 103             __systemctl $1 list-units | \
 104                     { while read -r a b; do echo " $a"; done; } )
 105 }
 106 __get_failed_units   () { __systemctl $1 list-units       \
 107         | { while read -r a b c d; do [[ $c == "failed"   ]] && echo " $a"; done; }; }
 108 __get_enabled_units  () { __systemctl $1 list-unit-files  \
 109         | { while read -r a b c  ; do [[ $b == "enabled"  ]] && echo " $a"; done; }; }
 110 __get_disabled_units () { __systemctl $1 list-unit-files  \
 111         | { while read -r a b c  ; do [[ $b == "disabled" ]] && echo " $a"; done; }; }
 112 __get_masked_units   () { __systemctl $1 list-unit-files  \
 113         | { while read -r a b c  ; do [[ $b == "masked"   ]] && echo " $a"; done; }; }
 114 __get_all_unit_files () { { __systemctl $1 list-unit-files; } | { while read -r a b; do echo " $a"; done; }; }
 115
 116 __get_machines() {
 117         local a b
 118         { machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; } | \
 119                 { while read a b; do echo " $a"; done; }
 120 }
 121
 122 _systemctl () {
 123         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
 124         local i verb comps mode
 125
 126         local -A OPTS=(
 127                [STANDALONE]='--all -a --reverse --after --before --defaults --force -f --full -l --global
 128                              --help -h --no-ask-password --no-block --no-legend --no-pager --no-reload --no-wall --now
 129                              --quiet -q --system --user --version --runtime --recursive -r --firmware-setup
 130                              --show-types -i --ignore-inhibitors --plain --failed --value --fail --dry-run --wait'
 131                       [ARG]='--host -H --kill-who --property -p --signal -s --type -t --state --job-mode --root
 132                              --preset-mode -n --lines -o --output -M --machine --message'
 133         )
 134
 135         if __contains_word "--user" ${COMP_WORDS[*]}; then
 136             mode=--user
 137         elif __contains_word "--global" ${COMP_WORDS[*]}; then
 138             mode=--user
 139         else
 140             mode=--system
 141         fi
 142
 143         if __contains_word "$prev" ${OPTS[ARG]}; then
 144                 case $prev in
 145                         --signal|-s)
 146                                 _signals
 147                                 return
 148                         ;;
 149                         --type|-t)
 150                                 comps=$(__systemctl $mode -t help)
 151                         ;;
 152                         --state)
 153                                 comps=$(__systemctl $mode --state=help)
 154                         ;;
 155                         --job-mode)
 156                                 comps='fail replace replace-irreversibly isolate
 157                                        ignore-dependencies ignore-requirements flush'
 158                         ;;
 159                         --kill-who)
 160                                 comps='all control main'
 161                         ;;
 162                         --root)
 163                                 comps=$(compgen -A directory -- "$cur" )
 164                                 compopt -o filenames
 165                         ;;
 166                         --host|-H)
 167                                 comps=$(compgen -A hostname)
 168                         ;;
 169                         --property|-p)
 170                                 comps=$(__systemd_properties $mode)
 171                         ;;
 172                         --preset-mode)
 173                                 comps='full enable-only disable-only'
 174                         ;;
 175                         --output|-o)
 176                                 comps='short short-full short-iso short-iso-precise short-precise short-monotonic short-unix verbose export json
 177                                        json-pretty json-sse cat'
 178                         ;;
 179                         --machine|-M)
 180                                 comps=$( __get_machines )
 181                         ;;
 182                 esac
 183                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 184                 return 0
 185         fi
 186
 187         if [[ "$cur" = -* ]]; then
 188                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 189                 return 0
 190         fi
 191
 192         local -A VERBS=(
 193                 [ALL_UNITS]='is-active is-failed is-enabled status show cat mask preset help list-dependencies edit set-property revert'
 194             [ENABLED_UNITS]='disable'
 195            [DISABLED_UNITS]='enable'
 196         [REENABLABLE_UNITS]='reenable'
 197              [FAILED_UNITS]='reset-failed'
 198           [STARTABLE_UNITS]='start'
 199           [STOPPABLE_UNITS]='stop condstop kill try-restart condrestart'
 200          [ISOLATABLE_UNITS]='isolate'
 201          [RELOADABLE_UNITS]='reload condreload try-reload-or-restart force-reload'
 202         [RESTARTABLE_UNITS]='restart reload-or-restart'
 203          [TARGET_AND_UNITS]='add-wants add-requires'
 204              [MASKED_UNITS]='unmask'
 205                      [JOBS]='cancel'
 206                      [ENVS]='set-environment unset-environment import-environment'
 207                [STANDALONE]='daemon-reexec daemon-reload default
 208                              emergency exit halt hibernate hybrid-sleep kexec list-jobs
 209                              list-sockets list-timers list-units list-unit-files poweroff
 210                              reboot rescue show-environment suspend get-default
 211                              is-system-running preset-all'
 212                      [FILE]='link switch-root'
 213                   [TARGETS]='set-default'
 214                  [MACHINES]='list-machines'
 215         )
 216
 217         for ((i=0; i < COMP_CWORD; i++)); do
 218                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
 219                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
 220                         verb=${COMP_WORDS[i]}
 221                         break
 222                 fi
 223         done
 224
 225         if [[ -z $verb ]]; then
 226                 comps="${VERBS[*]}"
 227
 228         elif __contains_word "$verb" ${VERBS[ALL_UNITS]}; then
 229                 comps=$( __get_all_units $mode )
 230                 compopt -o filenames
 231
 232         elif __contains_word "$verb" ${VERBS[ENABLED_UNITS]}; then
 233                 comps=$( __get_enabled_units $mode )
 234                 compopt -o filenames
 235
 236         elif __contains_word "$verb" ${VERBS[DISABLED_UNITS]}; then
 237                 comps=$( __get_disabled_units $mode;
 238                         __get_template_names $mode)
 239                 compopt -o filenames
 240
 241         elif __contains_word "$verb" ${VERBS[REENABLABLE_UNITS]}; then
 242                 comps=$( __get_disabled_units $mode;
 243                          __get_enabled_units $mode;
 244                          __get_template_names $mode)
 245                 compopt -o filenames
 246
 247         elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
 248                 comps=$( __get_startable_units $mode;
 249                          __get_template_names $mode)
 250                 compopt -o filenames
 251
 252         elif __contains_word "$verb" ${VERBS[RESTARTABLE_UNITS]}; then
 253                 comps=$( __get_restartable_units $mode;
 254                          __get_template_names $mode)
 255                 compopt -o filenames
 256
 257         elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
 258                 comps=$( __filter_units_by_property $mode CanStop yes \
 259                       $( __get_active_units $mode ) )
 260                 compopt -o filenames
 261
 262         elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
 263                 comps=$( __filter_units_by_property $mode CanReload yes \
 264                       $( __get_active_units $mode ) )
 265                 compopt -o filenames
 266
 267         elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
 268                 comps=$( __filter_units_by_property $mode AllowIsolate yes \
 269                       $( __get_all_units $mode ) )
 270                 compopt -o filenames
 271
 272         elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
 273                 comps=$( __get_failed_units $mode )
 274                 compopt -o filenames
 275
 276         elif __contains_word "$verb" ${VERBS[MASKED_UNITS]}; then
 277                 comps=$( __get_masked_units $mode )
 278                 compopt -o filenames
 279
 280         elif __contains_word "$verb" ${VERBS[TARGET_AND_UNITS]}; then
 281                 if __contains_word "$prev" ${VERBS[TARGET_AND_UNITS]} \
 282                 || __contains_word "$prev" ${OPTS[STANDALONE]}; then
 283                         comps=$( __systemctl $mode list-unit-files --type target --all \
 284                         | { while read -r a b; do echo " $a"; done; } )
 285                 else
 286                         comps=$( __get_all_unit_files $mode )
 287                 fi
 288                 compopt -o filenames
 289
 290         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
 291                 comps=''
 292
 293         elif __contains_word "$verb" ${VERBS[JOBS]}; then
 294                 comps=$( __systemctl $mode list-jobs | { while read -r a b; do echo " $a"; done; } )
 295
 296         elif __contains_word "$verb" ${VERBS[ENVS]}; then
 297                 comps=$( __systemctl $mode show-environment \
 298                     | while read -r line; do echo " ${line%%=*}="; done )
 299                 compopt -o nospace
 300
 301         elif __contains_word "$verb" ${VERBS[FILE]}; then
 302                 comps=$( compgen -A file -- "$cur" )
 303                 compopt -o filenames
 304
 305         elif __contains_word "$verb" ${VERBS[TARGETS]}; then
 306                 comps=$( __systemctl $mode list-unit-files --type target --full --all \
 307                         | { while read -r a b; do echo " $a"; done; } )
 308         fi
 309
 310         COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
 311         return 0
 312 }
 313
 314 complete -F _systemctl systemctl