On Mon, May 18, 2020 at 03:52:42PM -0700, Junio C Hamano wrote: > Jeff King <peff@xxxxxxxx> writes: > > > So I think our options are probably: > > > > 1. detect flush packets in remote-curl, and either: > > > > a. don't print an error, just hang up. That prevents a hang in the > > caller and produces no extra message on a real error. It may be > > less informative than it could be if the connection hangs up > > (though we may print a curl error message, and the caller will > > at least say "the helper hung up") > > > > b. like (a), but always print an error; this is your original > > patch, but I _suspect_ (but didn't test) that it would produce > > extra useless messages for errors the server reports > > > > c. between the two: inspect the final packet data for evidence of > > ERR/sideband 3 and suppress any message if found > > > > 2. helper signals end-of-response to caller (then it never produces a > > message itself; only the caller does, and it would abort on an ERR > > packet before then) > > > > a. using a special pktline (your "0002" patch) > > > > b. some other out-of-band mechanism (e.g., could be another fd) > > > > I think this is pushing me towards 2a, your "0002" patch. It sidesteps > > the error-message questions entirely (and I think 2b is too convoluted > > to be worth pursuing, especially on Windows where setting up extra pipes > > is tricky). But I'd also be OK with 1a or 1c. > > Thanks for a detailed analysis. I guess we'd take 0002, then? Yeah, that's how I lean. I think I did have a few comments on the patch that I'd like Denton to consider, so hopefully we'll see a re-roll. -Peff