t7501: always use test_cmp instead of diff

diff --git a/t/t5540-http-push.sh b/t/t5540-http-push.sh
index f8c17cd96cc86ca8f2db2ff51467f712d65f8956..b0d242e3edc13dd7cad8f5fc4b5d2d205e620190 100755 (executable)
--- a/t/t5540-http-push.sh
+++ b/t/t5540-http-push.sh
@@ -41,7 +41,7 @@ test_expect_success 'setup remote repository' '
        git clone --bare test_repo test_repo.git &&
        cd test_repo.git &&
        git --bare update-server-info &&
-       chmod +x hooks/post-update &&
+       mv hooks/post-update.sample hooks/post-update &&
        cd - &&
        mv test_repo.git "$HTTPD_DOCUMENT_ROOT_PATH"
 '