shell-completion/bash/timedatectl

   1 # timedatectl(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_machines() {
  29         local a b
  30         machinectl list --no-legend --no-pager | { while read a b; do echo " $a"; done; };
  31 }
  32
  33 _timedatectl() {
  34         local i verb comps
  35         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  36         local OPTS='-h --help --version --adjust-system-clock --no-pager
  37                     --no-ask-password -H --host -M --machine'
  38
  39         if __contains_word "$prev" $OPTS; then
  40                 case $prev in
  41                         --host|-H)
  42                                 comps=$(compgen -A hostname)
  43                         ;;
  44                         --machine|-M)
  45                                 comps=$( __get_machines )
  46                         ;;
  47                 esac
  48                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  49                 return 0
  50         fi
  51
  52         if [[ $cur = -* ]]; then
  53                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  54                 return 0
  55         fi
  56
  57         local -A VERBS=(
  58                   [BOOLEAN]='set-local-rtc set-ntp'
  59                [STANDALONE]='status list-timezones'
  60                 [TIMEZONES]='set-timezone'
  61                      [TIME]='set-time'
  62         )
  63
  64         for ((i=0; i < COMP_CWORD; i++)); do
  65                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  66                         verb=${COMP_WORDS[i]}
  67                         break
  68                 fi
  69         done
  70
  71         if [[ -z $verb ]]; then
  72                 comps=${VERBS[*]}
  73         elif __contains_word "$verb" ${VERBS[BOOLEAN]}; then
  74                 comps='true false'
  75         elif __contains_word "$verb" ${VERBS[TIMEZONES]}; then
  76                 comps=$(command timedatectl list-timezones)
  77         elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[TIME]}; then
  78                 comps=''
  79         fi
  80
  81         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  82         return 0
  83 }
  84
  85 complete -F _timedatectl timedatectl