dracut-bash-completion.sh

   1 #!/bin/bash
   2 # Copyright 2013 Red Hat, Inc.  All rights reserved.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17
  18 __contains_word() {
  19     local word="$1"
  20     shift
  21     for w in "$@"; do [[ $w == "$word" ]] && return 0; done
  22     return 1
  23 }
  24
  25 _dracut() {
  26     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD - 1]}
  27     local -A OPTS=(
  28         [STANDALONE]='-f -v -q -l -H -h -M -N
  29             --ro-mnt --force --kernel-only --no-kernel --strip --nostrip
  30             --hardlink --nohardlink --noprefix --mdadmconf --nomdadmconf
  31             --lvmconf --nolvmconf --debug --profile --verbose --quiet
  32             --local --hostonly --no-hostonly --fstab --help --bzip2 --lzma
  33             --xz --zstd --no-compress --gzip --list-modules --show-modules --keep
  34             --printsize --regenerate-all --noimageifnotneeded --early-microcode
  35             --no-early-microcode --print-cmdline --reproducible --uefi'
  36         [ARG]='-a -m -o -d -I -k -c -L --kver --add --force-add --add-drivers
  37             --omit-drivers --modules --omit --drivers --filesystems --install
  38             --fwdir --libdirs --fscks --add-fstab --mount --device --nofscks
  39             --kmoddir --conf --confdir --tmpdir --stdlog --compress --prefix
  40             --kernel-cmdline --sshkey --persistent-policy --install-optional
  41             --loginstall --uefi-stub --kernel-image
  42             '
  43     )
  44
  45     # shellcheck disable=SC2086
  46     if __contains_word "$prev" ${OPTS[ARG]}; then
  47         case $prev in
  48             --kmoddir | -k | --fwdir | --confdir | --tmpdir)
  49                 comps=$(compgen -d -- "$cur")
  50                 compopt -o filenames
  51                 ;;
  52             -c | --conf | --sshkey | --add-fstab | --add-device | -I | --install | --install-optional)
  53                 comps=$(compgen -f -- "$cur")
  54                 compopt -o filenames
  55                 ;;
  56             -a | -m | -o | --add | --modules | --omit)
  57                 comps=$(dracut --list-modules 2> /dev/null)
  58                 ;;
  59             --persistent-policy)
  60                 comps=$(
  61                     cd /dev/disk/ || return 0
  62                     printf -- "%s " *
  63                 )
  64                 ;;
  65             --kver)
  66                 comps=$(
  67                     cd /lib/modules || return 0
  68                     echo [0-9]*
  69                 )
  70                 ;;
  71             *)
  72                 return 0
  73                 ;;
  74         esac
  75         # shellcheck disable=SC2207
  76         # shellcheck disable=SC2016
  77         COMPREPLY=($(compgen -W '$comps' -- "$cur"))
  78         return 0
  79     fi
  80
  81     if [[ $cur == -* ]]; then
  82         # shellcheck disable=SC2207
  83         # shellcheck disable=SC2016
  84         COMPREPLY=($(compgen -W '${OPTS[*]}' -- "$cur"))
  85         return 0
  86     fi
  87
  88     local args
  89     _count_args
  90     if [[ $args -eq 1 ]]; then
  91         _filedir
  92         return 0
  93     elif [[ $args -eq 2 ]]; then
  94         # shellcheck disable=SC2034
  95         comps=$(
  96             cd /lib/modules || return 0
  97             echo [0-9]*
  98         )
  99         # shellcheck disable=SC2207
 100         # shellcheck disable=SC2016
 101         COMPREPLY=($(compgen -W '$comps' -- "$cur"))
 102         return 0
 103     fi
 104 }
 105
 106 complete -F _dracut dracut