If set to true, git-receive-pack will deny a ref update that deletes
the ref. Use this to prevent such a ref deletion via a push.
+receive.denyDeleteCurrent::
+ If set to true, git-receive-pack will deny a ref update that
+ deletes the currently checked out branch of a non-bare repository.
+
receive.denyCurrentBranch::
If set to true or "refuse", git-receive-pack will deny a ref update
to the currently checked out branch of a non-bare repository.