shell-completion/bash/systemctl.in

   1 # systemctl(1) completion                                 -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   3 #
   4 # This file is part of systemd.
   5 #
   6 # Copyright © 2010 Ran Benita
   7
   8 __systemctl() {
   9         local mode=$1; shift 1
  10         systemctl $mode --full --no-legend --no-pager "$@" 2>/dev/null
  11 }
  12
  13 __systemd_properties() {
  14         @rootlibexecdir@/systemd --dump-bus-properties
  15 }
  16
  17 __contains_word () {
  18         local w word=$1; shift
  19         for w in "$@"; do
  20                 [[ $w = "$word" ]] && return
  21         done
  22 }
  23
  24 __filter_units_by_properties () {
  25         local mode=$1 properties=$2; shift 2
  26         local units=("$@")
  27         local props i p n
  28         local names= count=0
  29
  30         IFS=$',' read -r -a p < <(echo "Names,$properties")
  31         n=${#p[*]}
  32         readarray -t props < \
  33                   <(__systemctl $mode show --property "Names,$properties" -- "${units[@]}")
  34
  35         for ((i=0; i < ${#props[*]}; i++)); do
  36                 if [[ -z ${props[i]} ]]; then
  37                         if (( count == n )) && [[ -n $names ]]; then
  38                                 echo $names
  39                         fi
  40                         names=
  41                         count=0
  42                 else
  43                         (( count++ ))
  44                         if [[ ${props[i]%%=*} == 'Names' ]]; then
  45                                 names=${props[i]#*=}
  46                         fi
  47                 fi
  48         done
  49         if (( count == n )) && [[ -n $names ]]; then
  50                 echo $names
  51         fi
  52 }
  53
  54 __get_all_units      () { { __systemctl $1 list-unit-files "$2*"; __systemctl $1 list-units --all "$2*"; } \
  55         | { while read -r a b; do echo " $a"; done; }; }
  56 __get_non_template_units() { { __systemctl $1 list-unit-files "$2*"; __systemctl $1 list-units --all "$2*"; } \
  57         | { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }; }
  58 __get_template_names () { __systemctl $1 list-unit-files "$2*" \
  59         | { while read -r a b; do [[ $a =~ @\. ]] && echo " ${a%%@.*}@"; done; }; }
  60 __get_active_units   () { __systemctl $1 list-units "$2*"      \
  61         | { while read -r a b; do echo " $a"; done; }; }
  62
  63 __get_not_masked_unit_files() {
  64         # filter out masked, not-found, or template units.
  65         __systemctl $1 list-unit-files --state enabled,enabled-runtime,linked,linked-runtime,static,indirect,disabled,generated,transient "$2*" | \
  66                 { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
  67 }
  68
  69 __get_startable_units () {
  70         __filter_units_by_properties $1 ActiveState=inactive,CanStart=yes $(
  71                 { __get_not_masked_unit_files $1 $2
  72                   # get inactive template units
  73                   __systemctl $1 list-units --state inactive,failed "$2*" | \
  74                       { while read -r a b c; do [[ $b == "loaded" ]] && echo " $a"; done; }
  75                 } | sort -u )
  76 }
  77 __get_restartable_units () {
  78         # filter out masked and not-found
  79         __filter_units_by_properties $1 CanStart=yes $(
  80                 { __get_not_masked_unit_files $1 $2
  81                   __get_active_units $1 $2
  82                 } | sort -u )
  83 }
  84
  85 __get_stoppable_units () {
  86         # filter out masked and not-found
  87         __filter_units_by_properties $1 ActiveState=active,CanStop=yes $(
  88                 { __get_not_masked_unit_files $1 $2
  89                   __get_active_units $1 $2
  90                 } | sort -u )
  91 }
  92
  93 __get_reloadable_units () {
  94         # filter out masked and not-found
  95         __filter_units_by_properties $1 ActiveState=active,CanReload=yes $(
  96                 { __get_not_masked_unit_files $1 $2
  97                   __get_active_units $1 $2
  98                 } | sort -u )
  99 }
 100
 101 __get_failed_units   () { __systemctl $1 list-units "$2*"      \
 102         | { while read -r a b c d; do [[ $c == "failed"   ]] && echo " $a"; done; }; }
 103 __get_enabled_units  () { __systemctl $1 list-unit-files "$2*" \
 104         | { while read -r a b c  ; do [[ $b == "enabled"  ]] && echo " $a"; done; }; }
 105 __get_disabled_units () { __systemctl $1 list-unit-files "$2*" \
 106         | { while read -r a b c  ; do [[ $b == "disabled" ]] && echo " $a"; done; }; }
 107 __get_masked_units   () { __systemctl $1 list-unit-files "$2*" \
 108         | { while read -r a b c  ; do [[ $b == "masked"   ]] && echo " $a"; done; }; }
 109 __get_all_unit_files () { { __systemctl $1 list-unit-files "$2*"; } | { while read -r a b; do echo " $a"; done; }; }
 110
 111 __get_machines() {
 112         local a b
 113         { machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; } | \
 114                 { while read a b; do echo " $a"; done; }
 115 }
 116
 117 _systemctl () {
 118         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
 119         local i verb comps mode
 120
 121         local -A OPTS=(
 122                [STANDALONE]='--all -a --reverse --after --before --defaults --force -f --full -l --global
 123                              --help -h --no-ask-password --no-block --no-legend --no-pager --no-reload --no-wall --now
 124                              --quiet -q --system --user --version --runtime --recursive -r --firmware-setup
 125                              --show-types -i --ignore-inhibitors --plain --failed --value --fail --dry-run --wait'
 126                       [ARG]='--host -H --kill-who --property -p --signal -s --type -t --state --job-mode --root
 127                              --preset-mode -n --lines -o --output -M --machine --message'
 128         )
 129
 130         if __contains_word "--user" ${COMP_WORDS[*]}; then
 131             mode=--user
 132         elif __contains_word "--global" ${COMP_WORDS[*]}; then
 133             mode=--user
 134         else
 135             mode=--system
 136         fi
 137
 138         if __contains_word "$prev" ${OPTS[ARG]}; then
 139                 case $prev in
 140                         --signal|-s)
 141                                 _signals
 142                                 return
 143                         ;;
 144                         --type|-t)
 145                                 comps=$(__systemctl $mode -t help)
 146                         ;;
 147                         --state)
 148                                 comps=$(__systemctl $mode --state=help)
 149                         ;;
 150                         --job-mode)
 151                                 comps='fail replace replace-irreversibly isolate
 152                                        ignore-dependencies ignore-requirements flush'
 153                         ;;
 154                         --kill-who)
 155                                 comps='all control main'
 156                         ;;
 157                         --root)
 158                                 comps=$(compgen -A directory -- "$cur" )
 159                                 compopt -o filenames
 160                         ;;
 161                         --host|-H)
 162                                 comps=$(compgen -A hostname)
 163                         ;;
 164                         --property|-p)
 165                                 comps=$(__systemd_properties)
 166                         ;;
 167                         --preset-mode)
 168                                 comps='full enable-only disable-only'
 169                         ;;
 170                         --output|-o)
 171                                 comps=$( systemctl --output=help 2>/dev/null )
 172                         ;;
 173                         --machine|-M)
 174                                 comps=$( __get_machines )
 175                         ;;
 176                 esac
 177                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 178                 return 0
 179         fi
 180
 181         if [[ "$cur" = -* ]]; then
 182                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 183                 return 0
 184         fi
 185
 186         local -A VERBS=(
 187                 [ALL_UNITS]='cat mask'
 188         [NONTEMPLATE_UNITS]='is-active is-failed is-enabled status show preset help list-dependencies edit set-property revert'
 189             [ENABLED_UNITS]='disable'
 190            [DISABLED_UNITS]='enable'
 191         [REENABLABLE_UNITS]='reenable'
 192              [FAILED_UNITS]='reset-failed'
 193           [STARTABLE_UNITS]='start'
 194           [STOPPABLE_UNITS]='stop condstop kill try-restart condrestart'
 195          [ISOLATABLE_UNITS]='isolate'
 196          [RELOADABLE_UNITS]='reload condreload try-reload-or-restart force-reload'
 197         [RESTARTABLE_UNITS]='restart reload-or-restart'
 198          [TARGET_AND_UNITS]='add-wants add-requires'
 199              [MASKED_UNITS]='unmask'
 200                      [JOBS]='cancel'
 201                      [ENVS]='set-environment unset-environment import-environment'
 202                [STANDALONE]='daemon-reexec daemon-reload default
 203                              emergency exit halt hibernate hybrid-sleep
 204                              suspend-then-hibernate kexec list-jobs list-sockets
 205                              list-timers list-units list-unit-files poweroff
 206                              reboot rescue show-environment suspend get-default
 207                              is-system-running preset-all'
 208                      [FILE]='link switch-root'
 209                   [TARGETS]='set-default'
 210                  [MACHINES]='list-machines'
 211         )
 212
 213         for ((i=0; i < COMP_CWORD; i++)); do
 214                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
 215                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
 216                         verb=${COMP_WORDS[i]}
 217                         break
 218                 fi
 219         done
 220
 221         if [[ -z $verb ]]; then
 222                 comps="${VERBS[*]}"
 223
 224         elif __contains_word "$verb" ${VERBS[ALL_UNITS]}; then
 225                 comps=$( __get_all_units $mode "$cur" )
 226                 compopt -o filenames
 227
 228         elif __contains_word "$verb" ${VERBS[NONTEMPLATE_UNITS]}; then
 229                 comps=$( __get_non_template_units $mode "$cur" )
 230                 compopt -o filenames
 231
 232         elif __contains_word "$verb" ${VERBS[ENABLED_UNITS]}; then
 233                 comps=$( __get_enabled_units $mode "$cur" )
 234                 compopt -o filenames
 235
 236         elif __contains_word "$verb" ${VERBS[DISABLED_UNITS]}; then
 237                 comps=$( __get_disabled_units $mode "$cur";
 238                          __get_template_names $mode "$cur")
 239                 compopt -o filenames
 240
 241         elif __contains_word "$verb" ${VERBS[REENABLABLE_UNITS]}; then
 242                 comps=$( __get_disabled_units $mode "$cur";
 243                          __get_enabled_units $mode "$cur";
 244                          __get_template_names $mode "$cur")
 245                 compopt -o filenames
 246
 247         elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
 248                 comps=$( __get_startable_units $mode "$cur" )
 249                 compopt -o filenames
 250
 251         elif __contains_word "$verb" ${VERBS[RESTARTABLE_UNITS]}; then
 252                 comps=$( __get_restartable_units $mode "$cur" )
 253                 compopt -o filenames
 254
 255         elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
 256                 comps=$( __get_stoppable_units $mode "$cur" )
 257                 compopt -o filenames
 258
 259         elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
 260                 comps=$( __get_reloadable_units $mode "$cur" )
 261                 compopt -o filenames
 262
 263         elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
 264                 comps=$( __filter_units_by_properties $mode AllowIsolate=yes \
 265                       $( __get_all_units $mode "$cur" ) )
 266                 compopt -o filenames
 267
 268         elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
 269                 comps=$( __get_failed_units $mode "$cur" )
 270                 compopt -o filenames
 271
 272         elif __contains_word "$verb" ${VERBS[MASKED_UNITS]}; then
 273                 comps=$( __get_masked_units $mode "$cur" )
 274                 compopt -o filenames
 275
 276         elif __contains_word "$verb" ${VERBS[TARGET_AND_UNITS]}; then
 277                 if __contains_word "$prev" ${VERBS[TARGET_AND_UNITS]} \
 278                 || __contains_word "$prev" ${OPTS[STANDALONE]}; then
 279                         comps=$( __systemctl $mode list-unit-files --type target --all "$cur*" \
 280                         | { while read -r a b; do echo " $a"; done; } )
 281                 else
 282                         comps=$( __get_all_unit_files $mode "$cur" )
 283                 fi
 284                 compopt -o filenames
 285
 286         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
 287                 comps=''
 288
 289         elif __contains_word "$verb" ${VERBS[JOBS]}; then
 290                 comps=$( __systemctl $mode list-jobs | { while read -r a b; do echo " $a"; done; } )
 291
 292         elif __contains_word "$verb" ${VERBS[ENVS]}; then
 293                 comps=$( __systemctl $mode show-environment \
 294                     | while read -r line; do echo " ${line%%=*}="; done )
 295                 compopt -o nospace
 296
 297         elif __contains_word "$verb" ${VERBS[FILE]}; then
 298                 comps=$( compgen -A file -- "$cur" )
 299                 compopt -o filenames
 300
 301         elif __contains_word "$verb" ${VERBS[TARGETS]}; then
 302                 comps=$( __systemctl $mode list-unit-files --type target --full --all "$cur*" \
 303                         | { while read -r a b; do echo " $a"; done; } )
 304         fi
 305
 306         COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
 307         return 0
 308 }
 309
 310 complete -F _systemctl systemctl