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