From: Derrick Stolee <dstolee@microsoft.com>
Date: Mon, 20 Aug 2018 16:52:00 +0000 (+0000)
Subject: midx: fix bug that skips midx with alternates
X-Git-Tag: v2.20.0-rc0~249^2~4
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/29e2016b8f952c900b2f4ce148be5279c53fd9e3?hp=29e2016b8f952c900b2f4ce148be5279c53fd9e3

midx: fix bug that skips midx with alternates

The logic for constructing the linked list of multi-pack-indexes
in the object store is incorrect. If the local object store has
a multi-pack-index, but an alternate does not, then the list is
dropped.

Add tests that would have revealed this bug.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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