shell-completion/bash/kmod

   1 # kmod completion                                          -*- shell-script -*-
   2 #
   3 # This file is part of systemd.
   4 #
   5 # Copyright 2010 Ran Benita
   6 # Copyright (C) 2013  Intel Corporation. All rights reserved.
   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 word=$1; shift
  23         for w in "$@"; do [[ "$w" = "$word" ]] && return 0; done
  24         return 1
  25 }
  26
  27 __is_opt () {
  28         local prevprev=${COMP_WORDS[COMP_CWORD-2]}
  29         local short="$1" long="$2"
  30
  31         if [[ "$prev" = "$short" || "$prev" = "$long" ]]; then
  32                 declare -g cur=${cur#=}
  33                 return 0
  34         elif [[ "$prev" = "=" && "$prevprev" = "$long" ]]; then
  35                 return 0
  36         fi
  37
  38         return 1
  39 }
  40
  41 _kmod_static_nodes () {
  42         local OPTS='-o -f -h --help'
  43         local OPTS_EQUAL='--output --format'
  44         local GROUP_FORMAT='human tmpfiles devname'
  45
  46         if __is_opt '-o' '--output'; then
  47                 compopt -o filenames
  48                 COMPREPLY=( $(compgen -f -- "$cur") )
  49                 return 0
  50         elif __is_opt '-f' '--format'; then
  51                 COMPREPLY=( $(compgen -W "$GROUP_FORMAT" -- "$cur" ) )
  52                 return 0
  53         fi
  54
  55         local cur=${COMP_WORDS[COMP_CWORD]}
  56
  57         compopt -o nospace
  58         COMPREPLY=( $(compgen -W "$OPTS" -- "$cur") )
  59         COMPREPLY+=( $(compgen -W "$OPTS_EQUAL" -S= -- "$cur") )
  60 }
  61
  62 _kmod() {
  63         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  64         local VERBS=(help list static-nodes)
  65         local OPTS='-h --help -V --version'
  66         local verb
  67
  68         # standalone options, no other option or action allowed
  69         for ((i=0; $i < $COMP_CWORD; i++)); do
  70                 if __contains_word "${COMP_WORDS[i]}" ${OPTS}; then
  71                         return 0
  72                 fi
  73         done
  74
  75         # find the action
  76         for ((i=0; $i <= $COMP_CWORD; i++)); do
  77                 if __contains_word "${COMP_WORDS[i]}" "${VERBS[@]}"; then
  78                         verb=${COMP_WORDS[i]}
  79                         break
  80                 fi
  81         done
  82
  83         if [[ -z $verb ]]; then
  84                 COMPREPLY=( $(compgen -W '${OPTS[*]} ${VERBS[*]}' -- "$cur") )
  85                 return 0
  86         fi
  87
  88         local func=${verb//-/_}
  89
  90         if declare -F _kmod_${func} > /dev/null; then
  91                 _kmod_${func}
  92         fi
  93
  94         # allow the space if there's only one completion and it doesn't end with
  95         # '='
  96         if [[ ${#COMPREPLY[@]} == 1 && ${COMPREPLY[0]} != *"=" ]] ; then
  97                 compopt +o nospace
  98         fi
  99
 100         return 0
 101 }
 102
 103 complete -F _kmod kmod