Support for Münchhausenization

elpa.spec

@@ -176,6 +176,15 @@ that use %{name}_openmp.
 module load mpi/openmpi-%{_arch}
 %endif
 if [ ! -e configure ] ; then
+        # It is possible to use the Open Build Server to automatically
+        # checkout from git directly, extract this spec file and set the
+        # version of the extracted spec file to some autogenerated
+        # string based on the date and git hash of the checkout commit.
+        # This line ensures that the spec file in the tar-ball has
+        # that same version, so that autogen will inserted that version
+        # in the configure script
+        perl -pi -e "s/^Version:.*/Version: %{version}/" elpa.spec
+
         ./autogen.sh
 fi
 mkdir build