On Thu, Jan 27, 2011 at 6:05 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote: > Eugene Sajine <euguess@xxxxxxxxx> writes: > >> I get empty diff when i execute: >> >> $git diff branch1..branch2 >> >> and i also get empty diff when running >> >> $git diff branch2..branch1 > > The thing is, "diff" is about comparing "two endpoints". > > We still do support, as a backward compatibility measure, the A..B > notation to help people who learned "git diff" from ancient documents, and > we don't plan to deprecate the notation in any way, but don't be fooled by > the notation which usually means "the range from A to B". ÂIn the context > of diff, it does not mean a range, as diff is about two "endpoints". > >> What i cannot wrap my mind around is why the command below with >> symmetric difference range gives me non-empty diff >> >> $git diff branch1...branch2 > > "git diff A...B" is a short-hand for "git diff $(git merge-base A B) B", > naming the fork point between branches A and B as one end, and B as the > other end, of the diff. ÂAgain, diff is about two "endpoints", and the > notation does not mean a symmetric difference range. > > > Thanks a lot, Junio. I was looking at the wrong place in the documentation. Skipped the part in diff doc explaining that range notations are not exactly ranges for diff. Thanks, Eugene -- To unsubscribe from this list: 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