upload-pack: support hidden refs with protocol v2

diff --git a/t/t2013-checkout-submodule.sh b/t/t2013-checkout-submodule.sh
index 6ef15738e44ed8ad82960c042b3212fce266ec93..8f86b5f4b298f8297d68030f6ff1e51eb0311bf1 100755 (executable)
--- a/t/t2013-checkout-submodule.sh
+++ b/t/t2013-checkout-submodule.sh
@@ -44,7 +44,7 @@ test_expect_success '"checkout <submodule>" honors diff.ignoreSubmodules' '
        git config diff.ignoreSubmodules dirty &&
        echo x> submodule/untracked &&
        git checkout HEAD >actual 2>&1 &&
-       ! test -s actual
+       test_must_be_empty actual
 '
 
 test_expect_success '"checkout <submodule>" honors submodule.*.ignore from .gitmodules' '
@@ -52,7 +52,7 @@ test_expect_success '"checkout <submodule>" honors submodule.*.ignore from .gitm
        git config -f .gitmodules submodule.submodule.path submodule &&
        git config -f .gitmodules submodule.submodule.ignore untracked &&
        git checkout HEAD >actual 2>&1 &&
-       ! test -s actual
+       test_must_be_empty actual
 '
 
 test_expect_success '"checkout <submodule>" honors submodule.*.ignore from .git/config' '
@@ -60,7 +60,7 @@ test_expect_success '"checkout <submodule>" honors submodule.*.ignore from .git/
        git config submodule.submodule.path submodule &&
        git config submodule.submodule.ignore all &&
        git checkout HEAD >actual 2>&1 &&
-       ! test -s actual
+       test_must_be_empty actual
 '
 
 KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS=1