-It is recommended to run 'git repack -a -d -f' from time to time when using
-incremental imports to optimally combine the individual git packs that each
-incremental import creates through the use of git-fast-import.
+Advanced Setup
+==============
+
+Suppose you have a periodically updated git repository somewhere, containing a
+complete import of a Perforce project. This repository can be cloned and used
+with git-p4. When updating the cloned repository with the "sync" command,
+git-p4 will try to fetch changes from the original repository first. The git
+protocol used with this is usually faster than importing from Perforce
+directly.
+
+This behaviour can be disabled by setting the "git-p4.syncFromOrigin" git
+configuration variable to "false".