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 __get_machines() {
  89         local a b
  90         { machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; } | \
  91                 { while read a b; do echo " $a"; done; }
  92 }
  93
  94 _systemctl () {
  95         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  96         local i verb comps mode
  97
  98         local -A OPTS=(
  99                [STANDALONE]='--all -a --reverse --after --before --defaults --failed --force -f --full -l --global
 100                              --help -h --no-ask-password --no-block --no-legend --no-pager --no-reload --no-wall
 101                              --quiet -q --privileged -P --system --user --version --runtime --recursive -r --firmware-setup
 102                              --show-types -i --ignore-inhibitors --plain'
 103                       [ARG]='--host -H --kill-who --property -p --signal -s --type -t --state --job-mode --root
 104                              --preset-mode -n --lines -o --output -M --machine'
 105         )
 106
 107         if __contains_word "--user" ${COMP_WORDS[*]}; then
 108             mode=--user
 109         elif __contains_word "--global" ${COMP_WORDS[*]}; then
 110             mode=--user
 111         else
 112             mode=--system
 113         fi
 114
 115         if __contains_word "$prev" ${OPTS[ARG]}; then
 116                 case $prev in
 117                         --signal|-s)
 118                                 _signals
 119                                 return
 120                         ;;
 121                         --type|-t)
 122                                 comps=$(__systemctl $mode -t help)
 123                         ;;
 124                         --state)
 125                                 comps=$(__systemctl $mode --state=help)
 126                         ;;
 127                         --job-mode)
 128                                 comps='fail replace replace-irreversibly isolate
 129                                        ignore-dependencies ignore-requirements flush'
 130                         ;;
 131                         --kill-who)
 132                                 comps='all control main'
 133                         ;;
 134                         --root)
 135                                 comps=$(compgen -A directory -- "$cur" )
 136                                 compopt -o filenames
 137                         ;;
 138                         --host|-H)
 139                                 comps=$(compgen -A hostname)
 140                         ;;
 141                         --property|-p)
 142                                 comps=$(__systemd_properties $mode)
 143                         ;;
 144                         --preset-mode)
 145                                 comps='full enable-only disable-only'
 146                         ;;
 147                         --output|-o)
 148                                 comps='short short-iso short-precise short-monotonic verbose export json
 149                                        json-pretty json-sse cat'
 150                         ;;
 151                         --machine|-M)
 152                                 comps=$( __get_machines )
 153                         ;;
 154                 esac
 155                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 156                 return 0
 157         fi
 158
 159         if [[ "$cur" = -* ]]; then
 160                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 161                 return 0
 162         fi
 163
 164         local -A VERBS=(
 165                 [ALL_UNITS]='is-active is-failed is-enabled status show cat mask preset help list-dependencies edit set-property'
 166             [ENABLED_UNITS]='disable'
 167            [DISABLED_UNITS]='enable'
 168         [REENABLABLE_UNITS]='reenable'
 169              [FAILED_UNITS]='reset-failed'
 170           [STARTABLE_UNITS]='start'
 171           [STOPPABLE_UNITS]='stop condstop kill try-restart condrestart'
 172          [ISOLATABLE_UNITS]='isolate'
 173          [RELOADABLE_UNITS]='reload condreload try-reload-or-restart force-reload'
 174         [RESTARTABLE_UNITS]='restart reload-or-restart'
 175          [TARGET_AND_UNITS]='add-wants add-requires'
 176              [MASKED_UNITS]='unmask'
 177                      [JOBS]='cancel'
 178                      [ENVS]='set-environment unset-environment'
 179                [STANDALONE]='daemon-reexec daemon-reload default
 180                              emergency exit halt hibernate hybrid-sleep kexec list-jobs
 181                              list-sockets list-timers list-units list-unit-files poweroff
 182                              reboot rescue show-environment suspend get-default
 183                              is-system-running'
 184                      [FILE]='link switch-root'
 185                   [TARGETS]='set-default'
 186         )
 187
 188         for ((i=0; i < COMP_CWORD; i++)); do
 189                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
 190                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
 191                         verb=${COMP_WORDS[i]}
 192                         break
 193                 fi
 194         done
 195
 196         if [[ -z $verb ]]; then
 197                 comps="${VERBS[*]}"
 198
 199         elif __contains_word "$verb" ${VERBS[ALL_UNITS]}; then
 200                 comps=$( __get_all_units $mode )
 201                 compopt -o filenames
 202
 203         elif __contains_word "$verb" ${VERBS[ENABLED_UNITS]}; then
 204                 comps=$( __get_enabled_units $mode )
 205                 compopt -o filenames
 206
 207         elif __contains_word "$verb" ${VERBS[DISABLED_UNITS]}; then
 208                 comps=$( __get_disabled_units $mode;
 209                         __get_template_names $mode)
 210                 compopt -o filenames
 211
 212         elif __contains_word "$verb" ${VERBS[REENABLABLE_UNITS]}; then
 213                 comps=$( __get_disabled_units $mode;
 214                          __get_enabled_units $mode;
 215                          __get_template_names $mode)
 216                 compopt -o filenames
 217
 218         elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
 219                 comps=$( __get_startable_units $mode;
 220                          __get_template_names $mode)
 221                 compopt -o filenames
 222
 223         elif __contains_word "$verb" ${VERBS[RESTARTABLE_UNITS]}; then
 224                 comps=$( __get_restartable_units $mode;
 225                          __get_template_names $mode)
 226                 compopt -o filenames
 227
 228         elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
 229                 comps=$( __filter_units_by_property $mode CanStop yes \
 230                       $( __get_active_units $mode ) )
 231                 compopt -o filenames
 232
 233         elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
 234                 comps=$( __filter_units_by_property $mode CanReload yes \
 235                       $( __get_active_units $mode ) )
 236                 compopt -o filenames
 237
 238         elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
 239                 comps=$( __filter_units_by_property $mode AllowIsolate yes \
 240                       $( __get_all_units $mode ) )
 241                 compopt -o filenames
 242
 243         elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
 244                 comps=$( __get_failed_units $mode )
 245                 compopt -o filenames
 246
 247         elif __contains_word "$verb" ${VERBS[MASKED_UNITS]}; then
 248                 comps=$( __get_masked_units $mode )
 249                 compopt -o filenames
 250
 251         elif __contains_word "$verb" ${VERBS[TARGET_AND_UNITS]}; then
 252                 if __contains_word "$prev" ${VERBS[TARGET_AND_UNITS]} \
 253                 || __contains_word "$prev" ${OPTS[STANDALONE]}; then
 254                         comps=$( __systemctl $mode list-unit-files --type target --all \
 255                         | { while read -r a b; do echo " $a"; done; } )
 256                 else
 257                         comps=$( __get_all_unit_files $mode )
 258                 fi
 259                 compopt -o filenames
 260
 261         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
 262                 comps=''
 263
 264         elif __contains_word "$verb" ${VERBS[JOBS]}; then
 265                 comps=$( __systemctl $mode list-jobs | { while read -r a b; do echo " $a"; done; } )
 266
 267         elif __contains_word "$verb" ${VERBS[ENVS]}; then
 268                 comps=$( __systemctl $mode show-environment \
 269                     | while read -r line; do echo " ${line%%=*}=";done )
 270                 compopt -o nospace
 271
 272         elif __contains_word "$verb" ${VERBS[FILE]}; then
 273                 comps=$( compgen -A file -- "$cur" )
 274                 compopt -o filenames
 275         elif __contains_word "$verb" ${VERBS[TARGETS]}; then
 276                 comps=$( __systemctl $mode list-unit-files --type target --full --all \
 277                         | { while read -r a b; do echo " $a"; done; } )
 278         fi
 279
 280         COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
 281         return 0
 282 }
 283
 284 complete -F _systemctl systemctl