From: René Scharfe <l.s.r@web.de>
Date: Mon, 28 Jul 2014 18:31:57 +0000 (+0200)
Subject: use xgetcwd() to set $GIT_DIR
X-Git-Tag: v2.2.0-rc0~173^2~2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/4d3ab44d26c47d100cec39d0ef9ed9746eb7e454?hp=4d3ab44d26c47d100cec39d0ef9ed9746eb7e454

use xgetcwd() to set $GIT_DIR

Instead of dying of a segmentation fault if getcwd() returns NULL, use
xgetcwd() to make sure to write a useful error message and then exit
in an orderly fashion.

Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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