usr/sbin/vdr-get-header-checksum


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#!/bin/sh

die() {
	echo "$@" 1>&2
	exit 1
}

verbose() {
	[ "$verbose" -ge "1" ] && echo "$@" 1>&2
}

show_help() {
	echo "Usage:"
	echo "  vdr-get-header-checksum [-v] [-h]"
}


verbose=0

for p; do
	case "$p" in
	-v)	verbose=1 ;;
	-h)	show_help
		exit 0;;
	*)	show_help
		exit 1;;
	esac
done

include_dir=/usr/include/vdr

verbose "Creating vdr header files checksum of ${include_dir}"

plugin_dir="$(awk '/^PLUGINLIBDIR/{ print $3 }' ${include_dir}/Make.config)"
if [ -n "${plugin_dir}" ]; then
	plugin_dir="(pkg-config --variable=libdir vdr)"
fi

vdr_checksum_dir="${plugin_dir%/plugins}/checksums"
vdr_checksum="${vdr_checksum_dir}/header-md5-vdr"

# use pre-existing checksum file, no need to do more work :)
if [ -f "${vdr_checksum}" ]; then
	verbose "Using existing checksum from ${vdr_checksum}"
	cat "${vdr_checksum}"
else
	verbose "Creating checksum from files"

	type md5sum >/dev/null 2>&1 || die "Could not find command md5sum."
	type sort >/dev/null 2>&1 || die "Could not find command sort"

	cd ${include_dir} || die "Could not cd to ${include_dir}"
	md5sum *.h libsi/*.h|LC_ALL=C sort --key=2
fi

verbose "Checksum created."
exit 0