shell-completion/bash/bootctl

   1 # bootctl(1) completion                               -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   3 #
   4 # This file is part of systemd.
   5 #
   6 # Copyright 2014 Thomas H.P. Andersen
   7 #
   8 # systemd is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as published by
  10 # the Free Software Foundation; either version 2.1 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # systemd is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 # General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public License
  19 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20
  21 __contains_word () {
  22         local w word=$1; shift
  23         for w in "$@"; do
  24                 [[ $w = "$word" ]] && return
  25         done
  26 }
  27
  28 _bootctl() {
  29         local i verb comps
  30         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  31         local -A OPTS=(
  32                 [STANDALONE]='-h --help --no-variables -p --print-path --version'
  33                        [ARG]='--path'
  34         )
  35
  36         if [[ "$cur" = -* ]]; then
  37                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  38                 return 0
  39         fi
  40
  41         local -A VERBS=(
  42                 [STANDALONE]='help install list remove status update'
  43         )
  44
  45         for ((i=0; i < COMP_CWORD; i++)); do
  46                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  47                         verb=${COMP_WORDS[i]}
  48                         break
  49                 fi
  50         done
  51
  52         if [[ -z $verb ]]; then
  53                 comps=${VERBS[*]}
  54         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
  55                 comps=''
  56         fi
  57
  58         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  59         return 0
  60 }
  61
  62 complete -F _bootctl bootctl