t/README: document --root option

We've had this option since f423ef5 (tests: allow user to specify
trash directory location, 2009-08-09).  Make it easier to look up :-)

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Thomas Rast 2010-06-10 20:24:46 +02:00 committed by Junio C Hamano
parent f4c2eb8b34
commit 0d4dbcd35e

View file

@ -84,6 +84,12 @@ appropriately before running "make".
implied by other options like --valgrind and
GIT_TEST_INSTALLED.
--root=<directory>::
Create "trash" directories used to store all temporary data during
testing under <directory>, instead of the t/ directory.
Using this option with a RAM-based filesystem (such as tmpfs)
can massively speed up the test suite.
You can also set the GIT_TEST_INSTALLED environment variable to
the bindir of an existing git installation to test that installation.
You still need to have built this git sandbox, from which various