centos: update version number only if it starts with a digit

diff --git a/id-release b/id-release
index b9998d9..f10cbfa 100755 (executable)
--- a/id-release
+++ b/id-release
@@ -69,7 +69,7 @@ fi
 perl -i.bak -npe "\$. == 1 && s,\(.*?\),($version)," debian/changelog 
 
 # update redhat version file
-perl -i.bak -npe "s,^Version: .*,Version: $version," $spec
+perl -i.bak -npe "s,^Version: \d+.*,Version: $version," $spec