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 --full --no-legend --no-pager | { while read a b; do echo " $a"; done; };
  31 }
  32
  33 __get_interfaces(){
  34     local name
  35     for name in $(cd /sys/class/net && ls); do
  36         [[ "$name" != "lo" ]] && echo "$name"
  37     done
  38 }
  39 _timedatectl() {
  40     local i verb comps
  41     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  42     local OPTS='-h --help --version --adjust-system-clock --no-pager
  43                 --no-ask-password -H --host -M --machine --monitor
  44                 -p --property -a --all --value'
  45
  46     if __contains_word "$prev" $OPTS; then
  47         case $prev in
  48             --host|-H)
  49                 comps=$(compgen -A hostname)
  50                 ;;
  51             --machine|-M)
  52                 comps=$( __get_machines )
  53                 ;;
  54         esac
  55         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  56         return 0
  57     fi
  58
  59     if [[ $cur = -* ]]; then
  60         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  61         return 0
  62     fi
  63
  64     local -A VERBS=(
  65         [BOOLEAN]='set-local-rtc set-ntp'
  66         [STANDALONE]='status show list-timezones timesync-status show-timesync'
  67         [TIMEZONES]='set-timezone'
  68         [TIME]='set-time'
  69         [IFNAME]='ntp-servers revert'
  70     )
  71
  72     for ((i=0; i < COMP_CWORD; i++)); do
  73         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  74             verb=${COMP_WORDS[i]}
  75             break
  76         fi
  77     done
  78
  79     if [[ -z $verb ]]; then
  80         comps=${VERBS[*]}
  81     elif __contains_word "$verb" ${VERBS[BOOLEAN]}; then
  82         comps='true false'
  83     elif __contains_word "$verb" ${VERBS[TIMEZONES]}; then
  84         comps=$(command timedatectl list-timezones)
  85     elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[TIME]}; then
  86         comps=''
  87     elif __contains_word "$verb" ${VERBS[TIMEZONES]}; then
  88         comps=$( __get_interfaces )
  89     fi
  90
  91     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  92     return 0
  93 }
  94
  95 complete -F _timedatectl timedatectl