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 ActiveState inactive $(
  64             __filter_units_by_property $mode CanStart yes $(
  65                 __systemctl $mode list-unit-files --state enabled,disabled,static | \
  66                     { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
  67                 __systemctl $mode list-units --state inactive,failed | \
  68                     { while read -r a b; do echo " $a"; done; } ))
  69 }
  70 __get_restartable_units () {
  71         # filter out masked and not-found
  72         __filter_units_by_property $mode CanStart yes $(
  73             __systemctl $mode list-unit-files --state enabled,disabled,static | \
  74                     { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
  75             __systemctl $mode list-units | \
  76                     { while read -r a b; do echo " $a"; done; } )
  77 }
  78 __get_failed_units   () { __systemctl $1 list-units       \
  79         | { while read -r a b c d; do [[ $c == "failed"   ]] && echo " $a"; done; }; }
  80 __get_enabled_units  () { __systemctl $1 list-unit-files  \
  81         | { while read -r a b c  ; do [[ $b == "enabled"  ]] && echo " $a"; done; }; }
  82 __get_disabled_units () { __systemctl $1 list-unit-files  \
  83         | { while read -r a b c  ; do [[ $b == "disabled" ]] && echo " $a"; done; }; }
  84 __get_masked_units   () { __systemctl $1 list-unit-files  \
  85         | { while read -r a b c  ; do [[ $b == "masked"   ]] && echo " $a"; done; }; }
  86 __get_all_unit_files () { { __systemctl $1 list-unit-files; } | { while read -r a b; do echo " $a"; done; }; }
  87
  88 _systemctl () {
  89         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  90         local i verb comps mode
  91
  92         local -A OPTS=(
  93                [STANDALONE]='--all -a --reverse --after --before --defaults --fail --ignore-dependencies --failed --force -f --full -l --global
  94                              --help -h --no-ask-password --no-block --no-legend --no-pager --no-reload --no-wall
  95                              --quiet -q --privileged -P --system --user --version --runtime --recursive -r'
  96                       [ARG]='--host -H --kill-who --property -p --signal -s --type -t --state --root'
  97         )
  98
  99         if __contains_word "--user" ${COMP_WORDS[*]}; then
 100             mode=--user
 101         else
 102             mode=--system
 103         fi
 104
 105         if __contains_word "$prev" ${OPTS[ARG]}; then
 106                 case $prev in
 107                         --signal|-s)
 108                                 comps=$(compgen -A signal)
 109                         ;;
 110                         --type|-t)
 111                                 comps='automount busname device mount path service snapshot socket swap target timer'
 112                         ;;
 113                         --state)
 114                                 comps='loaded not-found stub
 115                                        active inactive
 116                                        dead elapsed exited listening mounted plugged running waiting'
 117                         ;;
 118                         --kill-who)
 119                                 comps='all control main'
 120                         ;;
 121                         --root)
 122                                 comps=$(compgen -A directory -- "$cur" )
 123                                 compopt -o filenames
 124                         ;;
 125                         --host|-H)
 126                                 comps=$(compgen -A hostname)
 127                         ;;
 128                         --property|-p)
 129                                 comps=$(__systemd_properties $mode)
 130                         ;;
 131                 esac
 132                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 133                 return 0
 134         fi
 135
 136         if [[ "$cur" = -* ]]; then
 137                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 138                 return 0
 139         fi
 140
 141         local -A VERBS=(
 142                 [ALL_UNITS]='is-active is-failed is-enabled status show cat mask preset help list-dependencies'
 143             [ENABLED_UNITS]='disable'
 144            [DISABLED_UNITS]='enable'
 145         [REENABLABLE_UNITS]='reenable'
 146              [FAILED_UNITS]='reset-failed'
 147           [STARTABLE_UNITS]='start'
 148           [STOPPABLE_UNITS]='stop condstop kill try-restart condrestart'
 149          [ISOLATABLE_UNITS]='isolate'
 150          [RELOADABLE_UNITS]='reload condreload reload-or-try-restart force-reload'
 151         [RESTARTABLE_UNITS]='restart reload-or-restart'
 152          [TARGET_AND_UNITS]='add-wants add-requires'
 153              [MASKED_UNITS]='unmask'
 154                      [JOBS]='cancel'
 155                 [SNAPSHOTS]='delete'
 156                      [ENVS]='set-environment unset-environment'
 157                [STANDALONE]='daemon-reexec daemon-reload default
 158                              emergency exit halt hibernate hybrid-sleep kexec list-jobs
 159                              list-sockets list-timers list-units list-unit-files poweroff
 160                              reboot rescue show-environment suspend get-default
 161                              is-system-running'
 162                      [NAME]='snapshot'
 163                      [FILE]='link'
 164                   [TARGETS]='set-default'
 165         )
 166
 167         for ((i=0; i < COMP_CWORD; i++)); do
 168                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
 169                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
 170                         verb=${COMP_WORDS[i]}
 171                         break
 172                 fi
 173         done
 174
 175         if [[ -z $verb ]]; then
 176                 comps="${VERBS[*]}"
 177
 178         elif __contains_word "$verb" ${VERBS[ALL_UNITS]}; then
 179                 comps=$( __get_all_units $mode )
 180                 compopt -o filenames
 181
 182         elif __contains_word "$verb" ${VERBS[ENABLED_UNITS]}; then
 183                 comps=$( __get_enabled_units $mode )
 184                 compopt -o filenames
 185
 186         elif __contains_word "$verb" ${VERBS[DISABLED_UNITS]}; then
 187                 comps=$( __get_disabled_units $mode;
 188                         __get_template_names $mode)
 189                 compopt -o filenames
 190
 191         elif __contains_word "$verb" ${VERBS[REENABLABLE_UNITS]}; then
 192                 comps=$( __get_disabled_units $mode;
 193                          __get_enabled_units $mode;
 194                          __get_template_names $mode)
 195                 compopt -o filenames
 196
 197         elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
 198                 comps=$( __get_startable_units $mode;
 199                          __get_template_names $mode)
 200                 compopt -o filenames
 201
 202         elif __contains_word "$verb" ${VERBS[RESTARTABLE_UNITS]}; then
 203                 comps=$( __get_restartable_units $mode;
 204                          __get_template_names $mode)
 205                 compopt -o filenames
 206
 207         elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
 208                 comps=$( __filter_units_by_property $mode CanStop yes \
 209                       $( __get_active_units $mode ) )
 210                 compopt -o filenames
 211
 212         elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
 213                 comps=$( __filter_units_by_property $mode CanReload yes \
 214                       $( __get_active_units $mode ) )
 215                 compopt -o filenames
 216
 217         elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
 218                 comps=$( __filter_units_by_property $mode AllowIsolate yes \
 219                       $( __get_all_units $mode ) )
 220                 compopt -o filenames
 221
 222         elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
 223                 comps=$( __get_failed_units $mode )
 224                 compopt -o filenames
 225
 226         elif __contains_word "$verb" ${VERBS[MASKED_UNITS]}; then
 227                 comps=$( __get_masked_units $mode )
 228                 compopt -o filenames
 229
 230         elif __contains_word "$verb" ${VERBS[TARGET_AND_UNITS]}; then
 231                 if __contains_word "$prev" ${VERBS[TARGET_AND_UNITS]} \
 232                 || __contains_word "$prev" ${OPTS[STANDALONE]}; then
 233                         comps=$( __systemctl $mode list-unit-files --type target --all \
 234                         | { while read -r a b; do echo " $a"; done; } )
 235                 else
 236                         comps=$( __get_all_unit_files $mode )
 237                 fi
 238                 compopt -o filenames
 239
 240         elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[NAME]}; then
 241                 comps=''
 242
 243         elif __contains_word "$verb" ${VERBS[JOBS]}; then
 244                 comps=$( __systemctl $mode list-jobs | { while read -r a b; do echo " $a"; done; } )
 245
 246         elif __contains_word "$verb" ${VERBS[SNAPSHOTS]}; then
 247                 comps=$( __systemctl $mode list-units --type snapshot --full --all \
 248                         | { while read -r a b; do echo " $a"; done; } )
 249
 250         elif __contains_word "$verb" ${VERBS[ENVS]}; then
 251                 comps=$( __systemctl $mode show-environment \
 252                     | while read -r line; do echo " ${line%%=*}=";done )
 253                 compopt -o nospace
 254
 255         elif __contains_word "$verb" ${VERBS[FILE]}; then
 256                 comps=$( compgen -A file -- "$cur" )
 257                 compopt -o filenames
 258         elif __contains_word "$verb" ${VERBS[TARGETS]}; then
 259                 comps=$( __systemctl $mode list-unit-files --type target --full --all \
 260                         | { while read -r a b; do echo " $a"; done; } )
 261         fi
 262
 263         COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
 264         return 0
 265 }
 266
 267 complete -F _systemctl systemctl