#!/bin/sh

# lh_binary_checksums(1) - create binary checksums
# Copyright (C) 2006-2010 Daniel Baumann <daniel@debian.org>
#
# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.

set -e

# Including common functions
. "${LH_BASE:-/usr/share/live-helper}"/live-helper.sh

# Setting static variables
DESCRIPTION="$(Echo 'create binary checksums')"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults

if [ "${LH_CHECKSUMS}" != "true" ] || [ "${LH_BINARY_IMAGES}" = "virtual-hdd" ]
then
	exit 0
fi

Echo_message "Begin creating binary md5sum.txt..."

# Requiring stage file
Require_stagefile .stage/config .stage/bootstrap

# Checking stage file
Check_stagefile .stage/binary_checksums

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Remove old md5sums
if [ -f binary/md5sum.txt ]
then
	rm -f binary/md5sum.txt
fi

# Calculating md5sums
cd binary
find . -type f \! -path './isolinux/isolinux.bin' \! -path './boot/grub/stage2_eltorito' -print0 | sort -z | xargs -0 md5sum > ../md5sum.txt

cat > md5sum.txt << EOF
This file contains the list of md5 checksums of all files on this medium.

You can verify them automatically with the 'integrity-check' boot parameter,
or, manually with: 'md5sum -c md5sum.txt'.


EOF

cat ../md5sum.txt >> md5sum.txt
rm -f ../md5sum.txt

# File list
find . | sed -e 's|^.||g' | grep "^/" | sort > ../binary.list

cd "${OLDPWD}"

# Creating stage file
Create_stagefile .stage/binary_checksums