1# timedatectl(1) completion                               -*- shell-script -*-
2# SPDX-License-Identifier: LGPL-2.1-or-later
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 $(cd /sys/class/net && command ls); do
36        [[ "$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
95complete -F _timedatectl timedatectl
96