Jeff King wrote:

I was also tempted to suggest just dropping the recursion check
altogether. While it is neat to detect such things, it's a "should never
happen" bug situation, and an infinite loop of printing out the same
message is pretty easy to notice.

On servers it might be useful to avoid accidentally filling up logs
quickly.

IIUC the context is in the following two threads:

 http://thread.gmane.org/gmane.comp.version-control.git/182982
 http://thread.gmane.org/gmane.comp.version-control.git/181421/focus=181443

Thanks,
Jonathan