tree f8e943d08b281639ee0b1c4de4bc33c0d4d417d5
parent c8b296450e5148c576697ea4709072b7855aacd5
author Clemens Buchacher <drizzd@aon.at> 1274530887 +0200
committer Junio C Hamano <gitster@pobox.com> 1274804931 -0700

test get_git_work_tree() return value for NULL

If we are in a git directory, get_git_work_tree() can return NULL.
While trying to determine whether or not the given paths are outside
the work tree, the following command would read from it anyways and
trigger a segmentation fault.

 git diff / /

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>