From: Jonathan Tan <jonathantanmy@google.com>
Date: Thu, 27 Sep 2018 19:24:07 +0000 (-0700)
Subject: fetch: do not list refs if fetching only hashes
X-Git-Tag: v2.20.0-rc0~150^2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/e70a3030e747312327a4f3619247bf8a986aa577?hp=e70a3030e747312327a4f3619247bf8a986aa577

fetch: do not list refs if fetching only hashes

If only hash literals are given on a "git fetch" command-line, tag
following is not requested, and the fetch is done using protocol v2, a
list of refs is not required from the remote. Therefore, optimize by
invoking transport_get_remote_refs() only if we need the refs.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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