| Current File : //usr/bin/mkinitrd |
#!/bin/bash --norc
kver=$(uname -r)
error() { echo "$@" >&2; }
usage () {
[[ $1 = '-n' ]] && cmd=echo || cmd=error
$cmd "usage: ${0##*/} [--version] [--help] [-v] [-f] [--preload <module>]"
$cmd " [--image-version] [--with=<module>]"
$cmd " [--nocompress]"
$cmd " <initrd-image> <kernel-version>"
$cmd ""
$cmd " (ex: ${0##*/} /boot/initramfs-$kver.img $kver)"
[[ $1 = '-n' ]] && exit 0
exit 1
}
# Little helper function for reading args from the commandline.
# it automatically handles -a b and -a=b variants, and returns 1 if
# we need to shift $3.
read_arg() {
# $1 = arg name
# $2 = arg value
# $3 = arg parameter
local rematch='^[^=]*=(.*)$'
if [[ $2 =~ $rematch ]]; then
read "$1" <<< "${BASH_REMATCH[1]}"
elif [[ $3 != -* ]]; then
# Only read next arg if it not an arg itself.
read "$1" <<< "$3"
# There is no way to shift our callers args, so
# return 1 to indicate they should do it instead.
return 1
fi
}
while (($# > 0)); do
case ${1%%=*} in
--with-usb) read_arg usbmodule "$@" || shift
basicmodules="$basicmodules ${usbmodule:-usb-storage}"
unset usbmodule;;
--with-avail) read_arg modname "$@" || shift
basicmodules="$basicmodules $modname";;
--with) read_arg modname "$@" || shift
basicmodules="$basicmodules $modname";;
--version)
echo "mkinitrd: dracut compatibility wrapper"
exit 0;;
-v|--verbose) dracut_args="${dracut_args} -v";;
-f|--force) dracut_args="${dracut_args} -f";;
--preload) read_arg modname "$@" || shift
basicmodules="$basicmodules $modname";;
--image-version) img_vers=yes;;
--rootfs) read_arg rootfs "$@" || shift
dracut_args="${dracut_args} --filesystems $rootfs";;
--nocompress) dracut_args="$dracut_args --no-compress";;
--help) usage -n;;
--builtin) ;;
--without*) ;;
--without-usb) ;;
--fstab*) ;;
--ifneeded) ;;
--omit-scsi-modules) ;;
--omit-ide-modules) ;;
--omit-raid-modules) ;;
--omit-lvm-modules) ;;
--omit-dmraid) ;;
--allow-missing) ;;
--net-dev*) ;;
--noresume) ;;
--rootdev*) ;;
--thawdev*) ;;
--rootopts*) ;;
--root*) ;;
--loopdev*) ;;
--loopfs*) ;;
--loopopts*) ;;
--looppath*) ;;
--dsdt*) ;;
--bootchart) ;;
*) if [[ ! $target ]]; then
target=$1
elif [[ ! $kernel ]]; then
kernel=$1
else
usage
fi;;
esac
shift
done
[[ $target && $kernel ]] || usage
[[ $img_vers ]] && target="$target-$kernel"
if [[ $basicmodules ]]; then
dracut $dracut_args --add-drivers "$basicmodules" "$target" "$kernel"
else
dracut $dracut_args "$target" "$kernel"
fi