1# networkctl(1) completion                               -*- shell-script -*-
2# SPDX-License-Identifier: LGPL-2.1-or-later
3#
4# This file is part of systemd.
5#
6# systemd is free software; you can redistribute it and/or modify it
7# under the terms of the GNU Lesser General Public License as published by
8# the Free Software Foundation; either version 2.1 of the License, or
9# (at your option) any later version.
10#
11# systemd is distributed in the hope that it will be useful, but
12# WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14# General Public License for more details.
15#
16# You should have received a copy of the GNU Lesser General Public License
17# along with systemd; If not, see <http://www.gnu.org/licenses/>.
18
19__contains_word () {
20    local w word=$1; shift
21    for w in "$@"; do
22        [[ $w = "$word" ]] && return
23    done
24    return 1
25}
26
27__get_links() {
28    networkctl list --no-legend --no-pager --all --full | { while read -r a b c; do echo " $b"; done; };
29}
30
31_networkctl() {
32    local i verb comps
33    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
34    local -A OPTS=(
35        [STANDALONE]='-a --all -h --help --version --no-pager --no-legend -s --stats -l --full'
36        [ARG]='-n --lines --json'
37    )
38
39    local -A VERBS=(
40        [STANDALONE]='label reload'
41        [LINKS]='status list lldp delete renew up down forcerenew reconfigure'
42    )
43
44    _init_completion || return
45
46    for ((i=0; i < COMP_CWORD; i++)); do
47        if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
48                ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
49            verb=${COMP_WORDS[i]}
50            break
51        fi
52    done
53
54    if __contains_word "$prev" ${OPTS[ARG]}; then
55        case $prev in
56            --json)
57                comps=$(networkctl --json=help | sort 2>/dev/null)
58                ;;
59            *)
60                return 0
61                ;;
62        esac
63        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
64        return 0
65    fi
66
67    if [[ "$cur" = -* ]]; then
68        COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
69        return 0
70    fi
71
72    if [[ -z ${verb-} ]]; then
73        comps=${VERBS[*]}
74    elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
75        comps=''
76    elif __contains_word "$verb" ${VERBS[LINKS]}; then
77        comps=$( __get_links )
78    fi
79
80    COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
81    return 0
82}
83
84complete -F _networkctl networkctl
85