Currently, I have a situation where I have two repositories.  The first is where I've held the code since the beginning.  The second has come on board recently and is the client repo.  However, rather than shut the original down, I want to keep both running with the same code.  How do I synchronise them so that they contain the same thing? Configure a remote that points to the upstream repository in Git to sync changes you make in a fork with the original repository....

As a process I apply patches locally first, then using git upload the update(s) to a development site on the server.  Once the testing has been completed, the final step to apply the patch to the production site.   Using Terminal or your preferred shell program, navigate to the correct directory.  Then run this command using the name of the patch file (example.patch): patch < example.patchHowever, if you are patching Drupal core then remember to patch from the root directory...