shell-completion/bash/systemd-path

   1 # shellcheck shell=bash
   2 # systemd-path(1) completion                               -*- shell-script -*-
   3 # SPDX-License-Identifier: LGPL-2.1-or-later
   4 #
   5 # This file is part of systemd.
   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 <https://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     return 1
  26 }
  27
  28 __get_names() {
  29     systemd-path | { while IFS=: read -r a b; do echo " $a"; done; }
  30 }
  31
  32 _systemd_path() {
  33     local comps
  34     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
  35     local -A OPTS=(
  36         [STANDALONE]='-h --help --version'
  37         [ARG]='--suffix'
  38     )
  39
  40     _init_completion || return
  41
  42     if __contains_word "$prev" ${OPTS[ARG]}; then
  43         case $prev in
  44             --suffix)
  45                 comps=''
  46                 ;;
  47         esac
  48         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  49         return 0
  50     fi
  51
  52     if [[ "$cur" = -* ]]; then
  53         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  54         return 0
  55     fi
  56
  57     comps=$( __get_names )
  58     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  59     return 0
  60 }
  61
  62 complete -F _systemd_path systemd-path