build/pkg/initrd/initrd.skel

78 lines
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#!/bin/sh
PATH=/bin
/bin/busybox --install
busybox sleep 1
busybox mount -t proc proc /proc
busybox mount -t sysfs sysfs /sys
busybox mount -t devtmpfs none /dev
root_sfs=""
root=""
singleuser=0
for param in `cat /proc/cmdline`; do
case $param in
root=*)
root="${param##root=}"
;;
root_sfs=*)
root_sfs="${param##root_sfs=}"
;;
single*)
singleuser=1
;;
esac
done
if [ -z "${root}" ]; then
echo "No root drive specified!"
exec /bin/busybox sh
fi
if [ -z "${root_sfs}" ]; then
echo "No squashfs image specified!"
exec /bin/busybox sh
fi
while [ ! -e ${root} ]; do
echo "Waiting for root"
busybox sleep 1
done
mount ${root} /images
if [ ! -e /images/${root_sfs} ]; then
echo "${root_sfs} not found!"
exec /bin/busybox sh
exit 1
fi
mount -t squashfs /images/${root_sfs} /newroot
mount -t devtmpfs none /newroot/dev
mount -t proc proc /newroot/proc
mount -t sysfs sysfs /newroot/sys
mount -t tmpfs none /newroot/tmp
mount -t tmpfs none /newroot/var
mount -t tmpfs none /newroot/run
chmod 755 /newroot/var
mkdir -p /newroot/run/log/journal
mkdir -p /newroot/var/log/fsck
mkdir -p /newroot/var/log/nginx
mkdir -p /newroot/var/log/mpd
mkdir -p /newroot/var/spool/
mkdir -p /newroot/var/lib/
mkdir -p /newroot/var/tmp
ln -s /run /newroot/var/run
ln -s /run/lock /newroot/var/lock
# cleanup mounts
umount -l /images
umount -l /dev
umount /sys
umount /proc
exec /bin/busybox switch_root /newroot /bin/bash