# startup actions to mount a memory filesystem for /usr, check and
# mount the compact-flash or harddrive as /dev/wd0a, unpack and
# possibly ungzip a tarball of files into the new /usr, and unmount
# the CF device.  For more information see the following URL:
# http://256.com/gray/docs/soekris_openbsd_diskless/

echo "populating /usr from archive or directories on wd0"
echo "making /usr mfs filesystem"
# with 128mb of memory the 128000 blocks will create a 64mb /usr.  if
# you have only 64mb of memory then you need to change it to 70000 or so.
mount_mfs -s 128000 swap /usr
echo "checking /dev/wd0a"
fsck -y /dev/wd0a
echo "mounting /dev/wd0a on /mnt/wd0"
mount -r -o noatime /dev/wd0a /mnt/wd0
if [ -r /mnt/wd0/usr.tgz ]; then
	echo "unpacking gzipped tarball into /usr"
	( cd /usr ; gzip -dc /mnt/wd0/usr.tgz | tar -xpf - )
elif [ -r /mnt/wd0/usr.tar ]; then
	echo "unpacking tarball into /usr"
	( cd /usr ; tar -xpf /mnt/wd0/usr.tar )
elif [ -d /mnt/wd0/usr ]; then
	echo "copying /mnt/wd0/usr into /usr"
	( cd /mnt/wd0/usr ; cp -pR . /usr )
else
	echo "WARNING: no files copied into /usr"
fi
echo "/usr filesystem created"
umount /mnt/wd0