shell-completion/bash/busctl

   1 # hostnamectl(1) completion                               -*- shell-script -*-
   2 #
   3 # This file is part of systemd.
   4 #
   5 # Copyright 2013 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 _busctl() {
  28         local i verb comps
  29         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  30         local -A OPTS=(
  31                [STANDALONE]='-h --help --version --no-pager --system --user
  32                              --no-unique --no-machine'
  33                       [ARG]='-H --host -M --machine --address
  34                              --match'
  35         )
  36
  37         if __contains_word "$prev" ${OPTS[ARG]}; then
  38                 case $prev in
  39                         --host|-H)
  40                                 comps=$(compgen -A hostname)
  41                         ;;
  42                 esac
  43                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  44                 return 0
  45         fi
  46
  47         if [[ "$cur" = -* ]]; then
  48                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  49                 return 0
  50         fi
  51
  52         local -A VERBS=(
  53                 [STANDALONE]='list monitor'
  54         )
  55
  56         for ((i=0; i < COMP_CWORD; i++)); do
  57                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  58                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  59                         verb=${COMP_WORDS[i]}
  60                         break
  61                 fi
  62         done
  63
  64         if [[ -z $verb ]]; then
  65                 comps=${VERBS[*]}
  66         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
  67                 comps=''
  68         fi
  69
  70         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  71         return 0
  72 }
  73
  74 complete -F _busctl busctl