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-rw-r--r--t/README6
1 files changed, 6 insertions, 0 deletions
diff --git a/t/README b/t/README
index dcd3ebb..0e4e8d8 100644
--- a/t/README
+++ b/t/README
@@ -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