Mention convenience script for enabling repos on RHEL6-like machines

README.md

@@ -67,7 +67,9 @@ On Fedora, following should work:
 
 Older distros like CentOS 6 and 7, don't have `dnf copr` or `yum copr` plugin,
 so you'll have to pick correct *.repo* file from COPR site and download it
-under */etc/yum.repos.d*.
+under */etc/yum.repos.d*.  (You can use [this convenience script][j6r], though.)
+
+  [j6r]: https://gist.github.com/AloisMahdal/89e422b4af54f5f65b87f70f7e339594
 
 Note that on testing machines, where you only want to *run* test (but not eg.
 export to HTML), you only need to install *jattool-minimal*: