Merge branch 'ds/ci-commit-graph-and-midx'

diff --git a/t/README b/t/README
index d8b04c35c01344534776a01e85b7f5f4f988cc62..88474896400308fa7a865ea1fb66f9e7d38f9a13 100644 (file)
--- a/t/README
+++ b/t/README
@@ -338,6 +338,11 @@ for the index version specified.  Can be set to any valid version
 GIT_TEST_PRELOAD_INDEX=<boolean> exercises the preload-index code path
 by overriding the minimum number of cache entries required per thread.
 
+GIT_TEST_INDEX_THREADS=<n> enables exercising the multi-threaded loading
+of the index for the whole test suite by bypassing the default number of
+cache entries and thread minimums. Setting this to 1 will make the
+index loading single threaded.
+
 Naming Tests
 ------------