shell-completion/bash/systemd-resolve

   1 # systemd-resolve(1) completion                             -*- shell-script -*-
   2 #
   3 # This file is part of systemd.
   4 #
   5 # Copyright 2016 Zbigniew Jędrzejewski-Szmek
   6 #
   7 # systemd is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU Lesser General Public License as published by
   9 # the Free Software Foundation; either version 2.1 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # systemd is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15 # General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU Lesser General Public License
  18 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  19
  20 __contains_word () {
  21         local w word=$1; shift
  22         for w in "$@"; do
  23                 [[ $w = "$word" ]] && return
  24         done
  25 }
  26
  27 __get_interfaces(){
  28         { cd /sys/class/net && echo *; } | \
  29         while read -d' ' -r name; do
  30                 [[ "$name" != "lo" ]] && echo "$name"
  31         done
  32 }
  33
  34 _systemd-resolve() {
  35         local i comps
  36         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  37         local -A OPTS=(
  38                [STANDALONE]='-h --help --version -4 -6
  39                              --service --openpgp --tlsa --status --statistics
  40                              --reset-statistics --service-address=no --service-txt=no
  41                              --cname=no --search=no --legend=no'
  42                       [ARG]='-i --interface -p --protocol -t --type -c --class'
  43         )
  44
  45         if __contains_word "$prev" ${OPTS[ARG]}; then
  46                 case $prev in
  47                         --interface|-i)
  48                                 comps=$( __get_interfaces )
  49                                 ;;
  50                         --protocol|-p|--type|-t|--class|-c)
  51                                 comps=$( systemd-resolve --legend=no "$prev" help; echo help )
  52                                 ;;
  53                 esac
  54                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  55                 return 0
  56         fi
  57
  58         if [[ "$cur" = -* ]]; then
  59                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  60                 return 0
  61         fi
  62 }
  63
  64 complete -F _systemd-resolve systemd-resolve