tests: optionally skip bin-wrappers/

This speeds up the tests by a bit on Windows, where running Unix shell
scripts (and spawning processes) is not exactly a cheap operation.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/t/README b/t/README
index 11ce7675e3..063530234f 100644
--- a/t/README
+++ b/t/README
@@ -170,6 +170,15 @@ appropriately before running "make".
 	implied by other options like --valgrind and
 	GIT_TEST_INSTALLED.
 
+--no-bin-wrappers::
+	By default, the test suite uses the wrappers in
+	`../bin-wrappers/` to execute `git` and friends. With this option,
+	`../git` and friends are run directly. This is not recommended
+	in general, as the wrappers contain safeguards to ensure that no
+	files from an installed Git are used, but can speed up test runs
+	especially on platforms where running shell scripts is expensive
+	(most notably, Windows).
+
 --root=<directory>::
 	Create "trash" directories used to store all temporary data during
 	testing under <directory>, instead of the t/ directory.