shell-completion/bash/systemctl.in

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