From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date: Sat, 14 Apr 2018 15:34:59 +0000 (+0200)
Subject: read-cache.c: make $GIT_TEST_SPLIT_INDEX boolean
X-Git-Tag: v2.18.0-rc0~49^2~14
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/4c2db93807f5ab65976a901b562e4bc8d69d40bf?ds=sidebyside;hp=4c2db93807f5ab65976a901b562e4bc8d69d40bf

read-cache.c: make $GIT_TEST_SPLIT_INDEX boolean

While at there, document about this special mode when running the test
suite.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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