Subject: bug#22144: --exclude no longer works against arguments with a directory name

From: Paul Eggert <[email-masked]>
Date: Wed, 16 Dec 2015 15:12:17 -0800

Vincent Lefevre wrote:
> So, for instance, "foo" and "./foo" are regarded as different?

Yes. Grep does not need to worry about inodes or realpath or anything like that, 
so it doesn't.