shell-completion/bash/networkctl

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