tag=%{name}-%(echo %{version} | tr . _)-%(echo %{release} | tr . _)
cd %{_specdir}
-if [ $(cvs status -v %{name}.spec | grep -c "$tag ") != 0 ]; then
+if [ $(cvs status -v %{name}.spec | egrep -c "$tag[[:space:]]") != 0 ]; then
: "Tag $tag already exists"
exit 1
fi