Merge branch 'tg/split-index-fixes'
authorJunio C Hamano <gitster@pobox.com>
Tue, 13 Feb 2018 21:39:12 +0000 (13:39 -0800)
committerJunio C Hamano <gitster@pobox.com>
Tue, 13 Feb 2018 21:39:13 +0000 (13:39 -0800)
The split-index mode had a few corner case bugs fixed.

* tg/split-index-fixes:
travis: run tests with GIT_TEST_SPLIT_INDEX
split-index: don't write cache tree with null oid entries
read-cache: fix reading the shared index for other repos

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