From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date: Sun, 30 Nov 2014 08:24:41 +0000 (+0700)
Subject: setup.c: detect $GIT_COMMON_DIR in is_git_directory()
X-Git-Tag: v2.5.0-rc0~143^2~25
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/4dc4e1457e17788e8f258a3f18c78bd58ef543af?hp=4dc4e1457e17788e8f258a3f18c78bd58ef543af

setup.c: detect $GIT_COMMON_DIR in is_git_directory()

If the file "$GIT_DIR/commondir" exists, it contains the value of
$GIT_COMMON_DIR.

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