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#!/bin/ash
#
# This script sets up the stage 3.2.
# - downloads/mounts stage32.sqfs
# - merge it with current rootfs through aufs
# - will not download, if the "nfs=" is used in the
# kernel command line
#
#########################################################################
#
# first check if an NFS-share was given per command line
#
if [ -n "$NFS" ]; then
echo "Mounting stage 3.2 as NFS..."
busybox mount -n -t nfs -o ro,async,nolock "${NFS}" /rorootfs \
|| drop_shell "Problem mounting NFS-Directory from ${NFS}." \
|| return 1
return 0
fi
#########################################################################
#
# MAIN PART
#
echo "Setting up stage 3.2 ..."
STAGE32_TARGET_PATH="/stage32.sqfs"
STAGE32_MOUNT_POINT="/rorootfs"
# try to download it
download "${SLX_BASE_PATH}/stage32.sqfs" "$STAGE32_TARGET_PATH" || drop_shell "Could not download stage32!"
# "Delete" addon hook-script in aufs view
touch "${FUTURE_ROOT}/.wh.addon-init"
# try to mount it at STAGE32_MOUNT_POINT
echo "Mounting stage 3.2 as SquashFS..."
busybox mount -n -t squashfs "$STAGE32_TARGET_PATH" "$STAGE32_MOUNT_POINT" || drop_shell "Problem mounting Squashfs."
echo "Building aufs ..."
busybox mount -n -t aufs -o "br:${FUTURE_ROOT}:${STAGE32_MOUNT_POINT}=ro" none /mnt || drop_shell "Problem building aufs."
mkdir -p /mnt/opt/openslx/uniontmp /mnt/tmp
#busybox mount -n --move "$FUTURE_ROOT" /mnt/opt/openslx/uniontmp || drop_shell "Problem moving uniontmp." # Move needed?
FUTURE_ROOT="/mnt"
# Move network stuff
cp /etc/hostname /etc/hosts "${FUTURE_ROOT}/etc/"
cp /etc/resolv.conf "${FUTURE_ROOT}/opt/openslx/"
# if booting with splash, suppress kernel output in stage32
if [ $SPLASH -eq 1 ]; then
if grep -q -E "^ *kernel.printk" "${FUTURE_ROOT}/usr/lib/sysctl.d/50-default.conf"; then
sed -i 's/^ *kernel\.printk.*/kernel\.printk = 1 1 0 1/g' "${FUTURE_ROOT}/usr/lib/sysctl.d/50-default.conf"
else
echo "kernel.printk = 1 1 0 1" >> "${FUTURE_ROOT}/usr/lib/sysctl.d/50-default.conf"
fi
fi
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