#!/bin/sh

PATH=/sbin:$PATH
export PATH

BASEDIR=initrd
SIZE=2000

while [ -n "$1" ] ; do
    case "$1" in
	"local" | "network" | "pcmcia")
	    IMAGES="$IMAGES $1"
	    INCLUDELOADER="loader-$1"
	    shift;
	    ;;
	-f)
	    FORCE=-f
	    shift;
	    ;;
	*)
	    echo "Useage:" >&2
	    echo "$0 [-f] [network] [local] [pcmcia]" >&2
	    exit
	    ;;
    esac
done

if [ -z "$IMAGES" ]; then
    IMAGES="local network pcmcia"
fi


MNTPOINT=/tmp/mkimage.mnt-$$

for TARGET in $IMAGES; do

    IMAGE=initrd-$TARGET.img

    if [ "$FORCE" != "-f" ]; then
	if [ -f $IMAGE ]; then
	    echo "$IMAGE already exists." >&2
	    continue;
	fi
    fi

    rm -f /tmp/$IMAGE
    dd if=/dev/zero of=/tmp/$IMAGE bs=1k count=$SIZE
    mke2fs -i 8096 -q /tmp/$IMAGE $SIZE <<EOF
y
EOF

    mkdir -p $MNTPOINT

    mount -o loop -t ext2 /tmp/$IMAGE $MNTPOINT

    (cd $BASEDIR; find . | grep -v "loader-" | cpio -vp $MNTPOINT)
    (cd $BASEDIR; find . -name $INCLUDELOADER | cpio -vp $MNTPOINT)
    (cd $TARGET; find . | cpio -vpud $MNTPOINT)

    (cd $MNTPOINT/sbin; [ loader* != "loader" ] && mv loader* loader)

    df $MNTPOINT

    umount $MNTPOINT
    mv -f /tmp/$IMAGE .
    echo -n "gzipping image..."
    mv $IMAGE $IMAGE.nogz
    gzip -9 < $IMAGE.nogz > $IMAGE
    echo " done."

    rm -rf $MNTPOINT 

    size=`cat $IMAGE | wc -c`
    filler=`expr 1474560 - $size`

    if [ $TARGET = "local" ]; then
	cp $IMAGE ../../../dosutils/autoboot/initrd.img
    fi
done