rocklinux/package/blindcoder/rockinitrd/linuxrc

#!/bin/bash

initrd_mount() { # {{{
	dev=${1}
	mntpoint=${2}

	/sbin/fsck -C -a ${dev}
	fsckrc=${?}
	if [ ${fsckrc} -eq 8 ] ; then
		return 1
	fi
	if   [ $(( ${fsckrc} & ~3 )) != 0 ] ; then
		echo " **"
		echo " ** Filesystem ${dev} || error=${?} failed (returncode=${fsckrc})."
		echo " ** Please repair the broken disk(s) manually."
		echo " **"
		exec /bin/bash
	elif [ $(( ${fsckrc} &  2 )) != 0 ] ; then
		echo " **"
		echo " ** fsck has requested the system to be rebooted."
		echo " ** Running a shell."
		echo " **"
		echo
		exec /bin/bash
	fi

	mount -n ${dev} ${mntpoint}
	return ${?}
} # }}}

PATH="/sbin:/usr/sbin:/bin/:/usr/bin"

rootfs=""
rootfsmounted=0

mount -n -t tmpfs none /tmp
mount -n -t proc none /proc
mount -n -t sysfs none /sys
mount -n -t ramfs none /dev
/sbin/udevstart
/sbin/udevd --daemon
cd /dev
rm -rf fd
ln -sf /proc/self/fd
mkdir -p pts shm
cd /

while read dev mntpoint fstype options fsck1 fsck2 ; do
	[ "${mntpoint}" == "/" ] && rootfs=${dev}
	[ -n "${rootfs}" ] && break
done < /etc/fstab

echo "loading kernel modules"
. /etc/conf/kernel

for x in /etc/conf/* ; do
	[ "${x}" == "/etc/conf/kernel" ] && continue
	echo "Running ${x} ..."
	. ${x}
done

if [ ${rootfsmounted} -eq 0 ] ; then
	echo "Mounting rootfs (${rootfs}) on /root"
	initrd_mount ${rootfs} /root
	rootfsmounted=1
fi

echo "starting init in /root"
echo "parameters passed to init: ${@}"
cd /root
mkdir -p /root/initrd
mount -n --move /tmp /root/tmp
mount -n --move /proc /root/proc
mount -n --move /sys /root/sys
mount -n --move /dev /root/dev
/sbin/pivot_root . initrd
exec chroot . /sbin/init "${@}"