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run_hook ()
{
if [ "x${ramdisk_size}" = "x" ]; then
ramdisk_size="75%"
fi
msg -n ":: Mounting tmpfs, size=${ramdisk_size}..."
mount -t tmpfs -o "size=${ramdisk_size}" tmpfs /tmpfs
msg "done."
if [ "x${BOOT_MOUNT}" = "x" ]; then
echo "ERROR: BOOT_MOUNT is not set. The boot-cd or boot-usb hook MUST"
echo " be run before this one. This image was improperly built"
exit 1
fi
squashimg="${BOOT_MOUNT}/archlive.sqfs"
if [ "${copytoram}" = "y" ]; then
/bin/cat ${squashimg} > /tmpfs/archlive.sqfs
squashimg="/tmpfs/archlive.sqfs"
fi
msg ":: Mounting squashfs image"
/bin/modprobe -q squashfs >/dev/null 2>&1
/bin/mkdir -p /tmpfs/squashfs_root
if ! /bin/losetup /dev/loop0 "${squashimg}" >/dev/null 2>&1; then
echo "ERROR: Cannot mount loop device /dev/loop0...aborting"
exit 1
fi
/bin/mount -r -t squashfs /dev/loop0 /tmpfs/squashfs_root
msg ":: Mounting root (union) filesystem"
/bin/modprobe -q unionfs >/dev/null 2>&1
/bin/mount -t unionfs -o dirs=/tmpfs=rw:/tmpfs/squashfs_root=ro none /real_root
addon_conf="${BOOT_MOUNT}/addons/config"
if [ -e "${addon_conf}" ]; then
msg ":: Mounting addons"
. $addon_conf
fi
if [ -d /proc/sys/dev/cdrom ]; then
echo 0 > /proc/sys/dev/cdrom/lock
echo 1 > /proc/sys/dev/cdrom/autoeject
fi
if [ "${break}" = "y" ]; then
echo ":: Break requested, type 'exit' to resume operation"
echo " NOTE: klibc contains no 'ls' binary, use 'echo *' instead"
PS1="ramfs$ " /bin/sh -i
fi
udevpid=$(/bin/minips -C udevd -o pid=)
[ "x${udevpid}" != "x" ] && /bin/kill -9 $udevpid 2>&1 >/dev/null
#Yep, we're bailing out here. We don't need kinit.
msg ":: Passing control to Archlinux Initscripts...Please Wait"
/bin/umount /sys
/bin/umount /proc
exec /bin/run-init -c /dev/console /real_root /sbin/init ${CMDLINE}
}
# vim:ft=sh:ts=4:sw=4:et:
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