shell-completion/bash/systemd-path

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