shell-completion/bash/networkctl

   1 # networkctl(1) completion                               -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   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 | { 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=${COMP_WORDS[COMP_CWORD-1]}
  34     local -A OPTS=(
  35         [STANDALONE]='-a --all -h --help --version --no-pager --no-legend'
  36         [ARG]=''
  37     )
  38
  39     local -A VERBS=(
  40         [STANDALONE]='label'
  41         [LINKS]='status list lldp'
  42     )
  43
  44     _init_completion || return
  45
  46     for ((i=0; i < COMP_CWORD; i++)); do
  47         if __contains_word "${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 [[ "$cur" = -* ]]; then
  55         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  56         return 0
  57     fi
  58
  59     if [[ -z $verb ]]; then
  60         comps=${VERBS[*]}
  61     elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
  62         comps=''
  63     elif __contains_word "$verb" ${VERBS[LINKS]}; then
  64         comps=$( __get_links )
  65     fi
  66
  67     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  68     return 0
  69 }
  70
  71 complete -F _networkctl networkctl