setup.c: detect $GIT_COMMON_DIR in is_git_directory()
authorNguyễn Thái Ngọc Duy <pclouds@gmail.com>
Sun, 30 Nov 2014 08:24:41 +0000 (15:24 +0700)
committerJunio C Hamano <gitster@pobox.com>
Mon, 1 Dec 2014 19:00:14 +0000 (11:00 -0800)
If the file "$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>
No differences found