shell-completion/bash/loginctl

   1 # loginctl(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 # systemd is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as published by
  10 # the Free Software Foundation; either version 2.1 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # systemd is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 # General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public License
  19 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20
  21 __contains_word () {
  22         local w word=$1; shift
  23         for w in "$@"; do
  24                 [[ $w = "$word" ]] && return
  25         done
  26 }
  27
  28 __get_all_sessions () { loginctl --no-legend list-sessions | { while read -r a b; do printf "%s\n" "$a"; done; } ; }
  29 __get_all_users    () { loginctl --no-legend list-users    | { while read -r a b; do printf "%s\n" "$b"; done; } ; }
  30 __get_all_seats    () { loginctl --no-legend list-seats    | { while read -r a b; do printf "%s\n" "$a"; done; } ; }
  31
  32 _loginctl () {
  33         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  34         local i verb comps
  35
  36         local -A OPTS=(
  37                [STANDALONE]='--all -a --help -h --no-pager --privileged -P --version
  38                              --no-legend --no-ask-password -l --full'
  39                       [ARG]='--host -H --kill-who --property -p --signal -s --machine'
  40                       )
  41
  42         if __contains_word "$prev" ${OPTS[ARG]}; then
  43                 case $prev in
  44                         --signal|-s)
  45                                 _signals
  46                                 return
  47                         ;;
  48                         --kill-who)
  49                                 comps='all leader'
  50                         ;;
  51                         --host|-H)
  52                                 comps=$(compgen -A hostname)
  53                         ;;
  54                         --property|-p)
  55                                 comps=''
  56                         ;;
  57                 esac
  58                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  59                 return 0
  60         fi
  61
  62
  63         if [[ "$cur" = -* ]]; then
  64                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  65                 return 0
  66         fi
  67
  68         local -A VERBS=(
  69                 [SESSIONS]='session-status show-session activate lock-session unlock-session terminate-session kill-session'
  70                 [USERS]='user-status show-user enable-linger disable-linger terminate-user kill-user'
  71                 [SEATS]='seat-status show-seat terminate-seat'
  72                 [STANDALONE]='list-sessions list-users list-seats flush-devices'
  73                 [ATTACH]='attach'
  74         )
  75
  76         for ((i=0; i < COMP_CWORD; i++)); do
  77                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  78                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  79                         verb=${COMP_WORDS[i]}
  80                         break
  81                 fi
  82         done
  83
  84         if   [[ -z $verb ]]; then
  85                 comps="${VERBS[*]}"
  86
  87         elif __contains_word "$verb" ${VERBS[SESSIONS]}; then
  88                 comps=$( __get_all_sessions )
  89
  90         elif __contains_word "$verb" ${VERBS[USERS]}; then
  91                 comps=$( __get_all_users )
  92
  93         elif __contains_word "$verb" ${VERBS[SEATS]}; then
  94                 comps=$( __get_all_seats )
  95
  96         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
  97                 comps=''
  98
  99         elif __contains_word "$verb" ${VERBS[ATTACH]}; then
 100                 if [[ $prev = $verb ]]; then
 101                         comps=$( __get_all_seats )
 102                 else
 103                         comps=$(compgen -A file -- "$cur" )
 104                         compopt -o filenames
 105                 fi
 106         fi
 107
 108         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 109         return 0
 110 }
 111
 112 complete -F _loginctl loginctl