+tag="$1"
+
+if [ -z "$tag" -a -x /usr/bin/rpm-specdump ] ; then
+ version=$(rpm-specdump openjdk8.spec | awk '/^h PACKAGE_VERSION/ { sub(/.b/, "-b", $3); print $3 }')
+ if [ -n "$version" ] ; then
+ tag="jdk$version"
+ echo "Using spec version: $tag"
+ fi
+fi
+
+
+if [ -z "$tag" -o "${tag#jdk8}" = "${tag}" ] ; then