Lieven Govaerts wrote: >> ra_serf makes a series of valid requests (200 OK) before finally >> asking the server for REPLAY of r0. In this case the server is >> googlecode.com. In response to the invalid REPLAY it gave a 500 Server >> Error response. I will attach a pcap. > > Googlecode returns the 500 Internal Error, svn.apache.org will happily > return the content of r0. > IMO googlecode is doing the wrong thing here, there's nothing special > about r0 (it's empty, but still a valid revision).
Hi Lieven. I disagree with that point. There are two different meanings of "revision": a snapshot, and a change between one snapshot and the next. r0 is a valid snapshot, but it is not a valid *change*. A "replay" request sounds to me like a request to tell us what changed between snapshot (X - 1) and snapshot X. (Although it would be *possible* to define that a replay request for r0 should respond that the difference between revision (-1) and revision (0) is a valid, empty difference, in my opinion it is not logical to do so.) - Julian