Re: [PATCH 03/15] read-tree tests: check "diff-files" exit code on failure

 	case "$2,$clean_if_empty" in
 	clean,)		:     ;;
 	clean,?*)	false ;;

diff --git a/t/t1002-read-tree-m-u-2way.sh b/t/t1002-read-tree-m-u-2way.sh
index ca5c5510c73..46cbd5514a6 100755
--- a/t/t1002-read-tree-m-u-2way.sh
+++ b/t/t1002-read-tree-m-u-2way.sh

@@ -9,7 +9,6 @@ This is identical to t1001, but uses -u to update the work tree as well.
 
 '
 
-TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-read-tree.sh
 

@@ -23,11 +22,12 @@ compare_change () {
 }
 
 check_cache_at () {
-	clean_if_empty=$(git diff-files -- "$1")
+	git diff-files -- "$1" >out &&
+	clean_if_empty=$(cat out) &&
 	case "$clean_if_empty" in
 	'')  echo "$1: clean" ;;
 	?*)  echo "$1: dirty" ;;
-	esac
+	esac &&
 	case "$2,$clean_if_empty" in
 	clean,)		:     ;;
 	clean,?*)	false ;;