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#!/bin/bash
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#
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# Licensed under the GPLv2
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#
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# Copyright 2008, Red Hat, Inc.
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# Jeremy Katz <katzj@redhat.com>
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emergency_shell()
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{
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echo "Bug in initramfs /init detected. Dropping to a shell. Good luck!"
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echo
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bash
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}
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trap "emergency_shell" 0 2
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echo "Starting initrd..."
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin
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export TERM=linux
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# /dev/console comes from the built-in initramfs crud in the kernel
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# someday, we may need to mkdir /dev first here
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exec > /dev/console 2>&1
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# mount some important things
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mkdir /proc
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mount -t proc /proc /proc
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mkdir /sys
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mount -t sysfs /sys /sys
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mount -t tmpfs -omode=0755 udev /dev
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# start up udev and trigger cold plugs
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/sbin/udevd --daemon
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/sbin/udevadm trigger
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# FIXME: should we really wait for the queue to settle or just try to
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# find the rootfs?
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/sbin/udevadm settle --timeout=30 || :
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NEWROOT=/sysroot
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# mount the rootfs
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mkdir $NEWROOT
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# FIXME: obviously we need to parse this from /proc/cmdline
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mount -o ro -t ext3 /dev/sda1 $NEWROOT
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# now we need to prepare to switchroot
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mount --bind /dev $NEWROOT/dev
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# FIXME: now for a bunch of boiler-plate mounts. really, we should have
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# some like /etc/fstab.sys that's provided by filesystem/initscripts
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# and then do mount -f /etc/fstab.sys -a
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mount -t proc /proc $NEWROOT/proc
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mount -t sysfs /sys $NEWROOT/sys
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# FIXME: load selinux policy
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# FIXME: nash die die die
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exec /sbin/switch_root
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# davej doesn't like initrd bugs
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echo "Something went very badly wrong in the initrd. Please "
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echo "file a bug against mkinitrd."
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exit 1
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