shell-completion/bash/systemd-path

   1 # systemd-path(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_names() {
  28     systemd-path | { while IFS=: read -r a b; do echo " $a"; done; }
  29 }
  30
  31 _systemd_path() {
  32     local comps
  33     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  34     local -A OPTS=(
  35         [STANDALONE]='-h --help --version'
  36         [ARG]='--suffix'
  37     )
  38
  39     _init_completion || return
  40
  41     if __contains_word "$prev" ${OPTS[ARG]}; then
  42         case $prev in
  43             --suffix)
  44                 comps=''
  45                 ;;
  46         esac
  47         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  48         return 0
  49     fi
  50
  51     if [[ "$cur" = -* ]]; then
  52         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  53         return 0
  54     fi
  55
  56     comps=$( __get_names )
  57     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  58     return 0
  59 }
  60
  61 complete -F _systemd_path systemd-path