tree 03a27951b10722af9046532ce44d582337145aa9
parent 5fa0f5238b0cd46cfe7f6fa76c3f526ea98148d9
author Masaya Suzuki <masayasuzuki@google.com> 1568582282 -0700
committer Junio C Hamano <gitster@pobox.com> 1568664170 -0700

fetch: use oidset to keep the want OIDs for faster lookup

During git-fetch, the client checks if the advertised tags' OIDs are
already in the fetch request's want OID set. This check is done in a
linear scan. For a repository that has a lot of refs, repeating this
scan takes 15+ minutes. In order to speed this up, create a oid_set for
other refs' OIDs.

Signed-off-by: Masaya Suzuki <masayasuzuki@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>