#!/bin/bash --norc

error() {
local NONL=""
if [ "$1" == "-n" ]; then
NONL="-n"
shift
fi
echo $NONL "$@" > /dev/stderr
}

usage () {
if [ "$1" == "-n" ]; then
cmd=echo
else
cmd=error
fi

$cmd "usage: `basename $0` [--version] [--help] [-v] [-f] [--preload <module>]"
$cmd " [--image-version] [--with=<module>]"
$cmd " <initrd-image> <kernel-version>"
$cmd ""
$cmd " (ex: `basename $0` /boot/initramfs-$(uname -r).img $(uname -r))"

if [ "$1" == "-n" ]; then
exit 0
else
exit 1
fi
}


while [ $# -gt 0 ]; do
case $1 in
--with-usb*)
if [ "$1" != "${1##--with-usb=}" ]; then
usbmodule=${1##--with-usb=}
else
usbmodule="usb-storage"
fi
basicmodules="$basicmodules $usbmodule"
unset usbmodule
;;
--with-avail*)
if [ "$1" != "${1##--with-avail=}" ]; then
modname=${1##--with-avail=}
else
modname=$2
shift
fi

basicmodules="$basicmodules $modname"
;;
--with*)
if [ "$1" != "${1##--with=}" ]; then
modname=${1##--with=}
else
modname=$2
shift
fi

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*)
if [ "$1" != "${1##--preload=}" ]; then
modname=${1##--preload=}
else
modname=$2
shift
fi
basicmodules="$basicmodules $modname"
;;
--image-version)
img_vers=yes
;;
--rootfs*)
if [ "$1" != "${1##--rootfs=}" ]; then
rootfs="${1##--rootfs=}"
else
rootfs="$2"
shift
fi
dracut_args="${dracut_args} --filesystems $rootfs"
;;
--builtin*) ;;
--without*) ;;
--without-usb) ;;
--fstab*) ;;
--nocompress) ;;
--ifneeded) ;;
--omit-scsi-modules) ;;
--omit-ide-modules) ;;
--omit-raid-modules) ;;
--omit-lvm-modules) ;;
--omit-dmraid) ;;
--allow-missing) ;;
--net-dev*) ;;
--noresume) ;;
--rootdev*) ;;
--thawdev*) ;;
--rootopts*) ;;
--root*) ;;
--loopdev*) ;;
--loopfs*) ;;
--loopopts*) ;;
--looppath*) ;;
--dsdt*) ;;
--bootchart) ;;
--help)
usage -n
;;
*)
if [ -z "$target" ]; then
target=$1
elif [ -z "$kernel" ]; then
kernel=$1
else
usage
fi
;;
esac

shift
done

if [ -z "$target" -o -z "$kernel" ]; then
usage
fi

if [ -n "$img_vers" ]; then
target="$target-$kernel"
fi

if [ -n "$basicmodules" ]; then
dracut $dracut_args --add-drivers "$basicmodules" "$target" "$kernel"
else
dracut $dracut_args "$target" "$kernel"
fi

# vim:ts=8:sw=4:sts=4:et