shell-completion/bash/kernel-install

   1 # kernel-install(8) completion                                   -*- shell-script -*-
   2 #
   3 # This file is part of systemd.
   4 #
   5 # Copyright 2013 Kay Sievers
   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 word=$1; shift
  22         for w in $*; do [[ $w = $word ]] && return 0; done
  23         return 1
  24 }
  25
  26 _kernel_install() {
  27         local i verb comps
  28         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  29         local OPTS='-h --help'
  30
  31         local -A VERBS=(
  32                 [ADD]='add'
  33                 [REMOVE]='remove'
  34         )
  35
  36         for ((i=0; $i <= $COMP_CWORD; i++)); do
  37                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  38                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  39                         verb=${COMP_WORDS[i]}
  40                         break
  41                 fi
  42         done
  43
  44         if [[ -z $verb  && $cur = -* ]]; then
  45                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  46                 return 0
  47         fi
  48
  49         if [[ -z $verb ]]; then
  50                 comps=${VERBS[*]}
  51
  52         elif __contains_word "$verb" ${VERBS[ADD]}; then
  53                 if [[ $prev = "$verb" ]]; then
  54                         comps=$(cd /lib/modules; echo [0-9]*)
  55                 elif [[ $prev = [0-9]* ]]; then
  56                         comps=$(echo /boot/vmlinuz-$prev*)
  57                 fi
  58
  59         elif __contains_word "$verb" ${VERBS[REMOVE]}; then
  60                 comps=$(cd /lib/modules; echo [0-9]*)
  61
  62         fi
  63
  64         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  65         return 0
  66 }
  67
  68 complete -F _kernel_install kernel-install