From: jidanni@jidanni.org
Date: Tue, 16 Dec 2008 00:21:33 GMT
Subject: git-diff should not fire up $PAGER if there is no diff
Message-ID: <874p15x94i.fsf@jidanni.org>

git-diff should not fire up $PAGER if there is no diff output.
Just exit. The man page doesn't even mention $PAGER too.