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 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 inactive or failed units, filter out masked and not-found
  63         __systemctl $1 list-units --state inactive,failed -- $( __get_all_units ) | \
  64                 { while read -r a b c d; do [[ $b == "loaded" ]] && echo " $a"; done; }; }
  65 __get_restartable_units () {
  66         # find !masked, filter out masked and not-found
  67         __systemctl $1 list-units --state active,inactive,failed -- $( __get_all_units ) | \
  68                 { while read -r a b c d; do [[ $b == "loaded" ]] && echo " $a"; done; }; }
  69 __get_failed_units   () { __systemctl $1 list-units       \
  70         | { while read -r a b c d; do [[ $c == "failed"   ]] && echo " $a"; done; }; }
  71 __get_enabled_units  () { __systemctl $1 list-unit-files  \
  72         | { while read -r a b c  ; do [[ $b == "enabled"  ]] && echo " $a"; done; }; }
  73 __get_disabled_units () { __systemctl $1 list-unit-files  \
  74         | { while read -r a b c  ; do [[ $b == "disabled" ]] && echo " $a"; done; }; }
  75 __get_masked_units   () { __systemctl $1 list-unit-files  \
  76         | { while read -r a b c  ; do [[ $b == "masked"   ]] && echo " $a"; done; }; }
  77
  78 _systemctl () {
  79         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  80         local i verb comps mode
  81
  82         local -A OPTS=(
  83                [STANDALONE]='--all -a --reverse --after --before --defaults --fail --ignore-dependencies --failed --force -f --full -l --global
  84                              --help -h --no-ask-password --no-block --no-legend --no-pager --no-reload --no-wall
  85                              --quiet -q --privileged -P --system --user --version --runtime --recursive -r'
  86                       [ARG]='--host -H --kill-who --property -p --signal -s --type -t --state --root'
  87         )
  88
  89         if __contains_word "--user" ${COMP_WORDS[*]}; then
  90             mode=--user
  91         else
  92             mode=--system
  93         fi
  94
  95         if __contains_word "$prev" ${OPTS[ARG]}; then
  96                 case $prev in
  97                         --signal|-s)
  98                                 comps=$(compgen -A signal)
  99                         ;;
 100                         --type|-t)
 101                                 comps='automount busname device mount path service snapshot socket swap target timer'
 102                         ;;
 103                         --state)
 104                                 comps='loaded not-found stub
 105                                        active inactive
 106                                        dead elapsed exited listening mounted plugged running waiting'
 107                         ;;
 108                         --kill-who)
 109                                 comps='all control main'
 110                         ;;
 111                         --root)
 112                                 comps=$(compgen -A directory -- "$cur" )
 113                                 compopt -o filenames
 114                         ;;
 115                         --host|-H)
 116                                 comps=$(compgen -A hostname)
 117                         ;;
 118                         --property|-p)
 119                                 comps=$(__systemd_properties $mode)
 120                         ;;
 121                 esac
 122                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 123                 return 0
 124         fi
 125
 126         if [[ "$cur" = -* ]]; then
 127                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 128                 return 0
 129         fi
 130
 131         local -A VERBS=(
 132                 [ALL_UNITS]='is-active is-failed is-enabled status show cat mask preset help list-dependencies'
 133             [ENABLED_UNITS]='disable'
 134            [DISABLED_UNITS]='enable'
 135         [REENABLABLE_UNITS]='reenable'
 136              [FAILED_UNITS]='reset-failed'
 137           [STARTABLE_UNITS]='start'
 138           [STOPPABLE_UNITS]='stop condstop kill try-restart condrestart'
 139          [ISOLATABLE_UNITS]='isolate'
 140          [RELOADABLE_UNITS]='reload condreload reload-or-try-restart force-reload'
 141         [RESTARTABLE_UNITS]='restart reload-or-restart'
 142              [MASKED_UNITS]='unmask'
 143                      [JOBS]='cancel'
 144                 [SNAPSHOTS]='delete'
 145                      [ENVS]='set-environment unset-environment'
 146                [STANDALONE]='daemon-reexec daemon-reload default
 147                              emergency exit halt hibernate hybrid-sleep kexec list-jobs
 148                              list-sockets list-timers list-units list-unit-files poweroff
 149                              reboot rescue show-environment suspend get-default'
 150                      [NAME]='snapshot'
 151                      [FILE]='link'
 152                   [TARGETS]='set-default'
 153         )
 154
 155         for ((i=0; i < COMP_CWORD; i++)); do
 156                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
 157                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
 158                         verb=${COMP_WORDS[i]}
 159                         break
 160                 fi
 161         done
 162
 163         if [[ -z $verb ]]; then
 164                 comps="${VERBS[*]}"
 165
 166         elif __contains_word "$verb" ${VERBS[ALL_UNITS]}; then
 167                 comps=$( __get_all_units $mode )
 168                 compopt -o filenames
 169
 170         elif __contains_word "$verb" ${VERBS[ENABLED_UNITS]}; then
 171                 comps=$( __get_enabled_units $mode )
 172                 compopt -o filenames
 173
 174         elif __contains_word "$verb" ${VERBS[DISABLED_UNITS]}; then
 175                 comps=$( __get_disabled_units $mode;
 176                         __get_template_names $mode)
 177                 compopt -o filenames
 178
 179         elif __contains_word "$verb" ${VERBS[REENABLABLE_UNITS]}; then
 180                 comps=$( __get_disabled_units $mode;
 181                          __get_enabled_units $mode;
 182                          __get_template_names $mode)
 183                 compopt -o filenames
 184
 185         elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
 186                 comps=$( __filter_units_by_property $mode CanStart yes \
 187                         $( __get_startable_units $mode);
 188                         __get_template_names $mode)
 189                 compopt -o filenames
 190
 191         elif __contains_word "$verb" ${VERBS[RESTARTABLE_UNITS]}; then
 192                 comps=$( __filter_units_by_property $mode CanStart yes \
 193                         $( __get_restartable_units $mode); \
 194                         __get_template_names $mode)
 195                 compopt -o filenames
 196
 197         elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
 198                 comps=$( __filter_units_by_property $mode CanStop yes \
 199                       $( __get_active_units $mode ) )
 200                 compopt -o filenames
 201
 202         elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
 203                 comps=$( __filter_units_by_property $mode CanReload yes \
 204                       $( __get_active_units $mode ) )
 205                 compopt -o filenames
 206
 207         elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
 208                 comps=$( __filter_units_by_property $mode AllowIsolate yes \
 209                       $( __get_all_units $mode ) )
 210                 compopt -o filenames
 211
 212         elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
 213                 comps=$( __get_failed_units $mode )
 214                 compopt -o filenames
 215
 216         elif __contains_word "$verb" ${VERBS[MASKED_UNITS]}; then
 217                 comps=$( __get_masked_units $mode )
 218                 compopt -o filenames
 219
 220         elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[NAME]}; then
 221                 comps=''
 222
 223         elif __contains_word "$verb" ${VERBS[JOBS]}; then
 224                 comps=$( __systemctl $mode list-jobs | { while read -r a b; do echo " $a"; done; } )
 225
 226         elif __contains_word "$verb" ${VERBS[SNAPSHOTS]}; then
 227                 comps=$( __systemctl $mode list-units --type snapshot --full --all \
 228                         | { while read -r a b; do echo " $a"; done; } )
 229
 230         elif __contains_word "$verb" ${VERBS[ENVS]}; then
 231                 comps=$( __systemctl $mode show-environment \
 232                     | while read -r line; do echo " ${line%%=*}=";done )
 233                 compopt -o nospace
 234
 235         elif __contains_word "$verb" ${VERBS[FILE]}; then
 236                 comps=$( compgen -A file -- "$cur" )
 237                 compopt -o filenames
 238         elif __contains_word "$verb" ${VERBS[TARGETS]}; then
 239                 comps=$( __systemctl $mode list-unit-files --type target --full --all \
 240                         | { while read -r a b; do echo " $a"; done; } )
 241         fi
 242
 243         COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
 244         return 0
 245 }
 246
 247 complete -F _systemctl systemctl