shell-completion/bash/loginctl

   1 # loginctl(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 __contains_word () {
  21         local word=$1; shift
  22         for w in $*; do [[ $w = $word ]] && return 0; done
  23         return 1
  24 }
  25
  26 __get_all_sessions () { loginctl list-sessions | { while read -r a b; do printf "%s\n" "$a"; done; } ; }
  27 __get_all_users    () { loginctl list-users    | { while read -r a b; do printf "%s\n" "$b"; done; } ; }
  28 __get_all_seats    () { loginctl list-seats    | { while read -r a b; do printf "%s\n" "$a"; done; } ; }
  29
  30 _loginctl () {
  31         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  32         local i verb comps
  33
  34         local -A OPTS=(
  35                [STANDALONE]='--all -a --help -h --no-pager --privileged -P --version'
  36                       [ARG]='--host -H --kill-who --property -p --signal -s'
  37         )
  38
  39         if __contains_word "$prev" ${OPTS[ARG]}; then
  40                 case $prev in
  41                         --signal|-s)
  42                                 comps=$(compgen -A signal)
  43                         ;;
  44                         --kill-who)
  45                                 comps='all leader'
  46                         ;;
  47                         --host|-H)
  48                                 comps=$(compgen -A hostname)
  49                         ;;
  50                         --property|-p)
  51                                 comps=''
  52                         ;;
  53                 esac
  54                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  55                 return 0
  56         fi
  57
  58
  59         if [[ "$cur" = -* ]]; then
  60                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  61                 return 0
  62         fi
  63
  64         local -A VERBS=(
  65                 [SESSIONS]='session-status show-session activate lock-session unlock-session terminate-session kill-session'
  66                 [USERS]='user-status show-user enable-linger disable-linger terminate-user kill-user'
  67                 [SEATS]='seat-status show-seat terminate-seat'
  68                 [STANDALONE]='list-sessions list-users list-seats flush-devices'
  69                 [ATTACH]='attach'
  70         )
  71
  72         for ((i=0; $i <= $COMP_CWORD; i++)); do
  73                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  74                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  75                         verb=${COMP_WORDS[i]}
  76                         break
  77                 fi
  78         done
  79
  80         if   [[ -z $verb ]]; then
  81                 comps="${VERBS[*]}"
  82
  83         elif __contains_word "$verb" ${VERBS[SESSIONS]}; then
  84                 comps=$( __get_all_sessions )
  85
  86         elif __contains_word "$verb" ${VERBS[USERS]}; then
  87                 comps=$( __get_all_users )
  88
  89         elif __contains_word "$verb" ${VERBS[SEATS]}; then
  90                 comps=$( __get_all_seats )
  91
  92         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
  93                 comps=''
  94
  95         elif __contains_word "$verb" ${VERBS[ATTACH]}; then
  96                 if [[ $prev = $verb ]]; then
  97                         comps=$( __get_all_seats )
  98                 else
  99                         comps=$(compgen -A file -- "$cur" )
 100                         compopt -o filenames
 101                 fi
 102         fi
 103
 104         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 105         return 0
 106 }
 107
 108 complete -F _loginctl loginctl