Paul Mackerras <paulus@xxxxxxxxx> writes: > There are times when gitk needs to know that the commits it has sent > to git-diff-tree --stdin did not match, and it needs to know in a > timely fashion even if none of them match. At the moment, > git-diff-tree outputs nothing for non-matching commits, so it is > impossible for gitk to distinguish between git-diff-tree being slow > and git-diff-tree saying no. Wouldn't this help? $ git-diff-tree --stdin --always - : send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html