wonder the changes

Signed-off-by: a1012112796 <1012112796@qq.com>

Author: a1012112796

Makefile

@@ -460,6 +460,8 @@ test-check:
 	if [ -n "$$diff" ]; then \
 		echo "make test-backend has changed files in the source tree:"; \
 		echo "$${diff}"; \
+		diff_full=$$(git diff) ; \
+		echo "$${diff_full}"; \
 		echo "You should change the tests to create these files in a temporary directory."; \
 		echo "Do not simply add these files to .gitignore"; \
 		exit 1; \