Re: [PATCH 1/2] diffcore-rename: no point trying to find a match better than exact

Derrick Stolee [off-list ref] writes:

quoted

 	/* All done? */
-	if (!num_destinations)
+	if (!num_destinations || !num_sources)
 		goto cleanup;

And add an extra quit condition which is very possible to hit.
Is it only hit when every "delete" is actually a rename?

When every delete is actually an unmodified exact rename, I think.
If this simple change gives us good performance gain, that is
superb.

Nicely done.