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