1# systemd-cgtop(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}
25
26__get_machines() {
27    local a b
28    machinectl list --full --no-legend --no-pager | { while read a b; do echo " $a"; done; };
29}
30
31_systemd_cgtop() {
32    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
33    local comps
34
35    local -A OPTS=(
36        [STANDALONE]='-h --help --version -p -t -c -m -i -b --batch -r --raw -k -P'
37        [ARG]='--cpu --depth -M --machine --recursive -n --iterations -d --delay --order'
38    )
39
40    _init_completion || return
41
42    if __contains_word "$prev" ${OPTS[ARG]}; then
43        case $prev in
44            --machine|-M)
45                comps=$( __get_machines )
46                ;;
47            --recursive)
48                comps='yes no'
49                ;;
50            --order)
51                comps='path tasks cpu memory io'
52                ;;
53        esac
54        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
55        return 0
56    fi
57
58    COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
59}
60
61complete -F _systemd_cgtop systemd-cgtop
62