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diff --git a/helpers/lh_source_md5sum b/helpers/lh_source_md5sum
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+#!/bin/sh
+
+# lh_source_md5sum(1) - create source md5sums
+# Copyright (C) 2006-2007 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
+
+# Source common functions
+for FUNCTION in /usr/share/live-helper/functions/*.sh
+do
+	. ${FUNCTION}
+done
+
+# Set static variables
+DESCRIPTION="create source md5sums"
+HELP=""
+USAGE="${PROGRAM} [--force]"
+
+Arguments "${@}"
+
+# Reading configuration files
+Read_conffile config/common
+Read_conffile config/image
+Set_defaults
+
+if [ "${LIVE_SOURCE}" = "enabled" ]
+then
+	# Requiring stage file
+	Require_stagefile .stage/source_download
+
+	# Checking lock file
+	Check_lockfile .lock
+
+	# Creating lock file
+	Create_lockfile .lock
+
+	# Checking stage file
+	Check_stagefile .stage/source_md5sum
+
+	# Remove old md5sums
+	if [ -f source/md5sum.txt ]
+	then
+		rm -f source/md5sum.txt
+	fi
+
+	# Calculating md5sums
+	cd source
+	find . -type f -print0 | xargs -0 md5sum > md5sum.txt
+	cd "${OLDPWD}"
+
+	# Creating stage file
+	Create_stagefile .stage/source_md5sum
+fi