t3903: abstract away SHA-1-specific constants

diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index e87164aa8ffdba169ba6f91af99ae3d28f28459b..c973278300a5c911845016ef1e23144f51ebcd7d 100755 (executable)
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -943,7 +943,10 @@ test_expect_success 'submodule update clone shallow submodule outside of depth'
                cd super3 &&
                sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
                mv -f .gitmodules.tmp .gitmodules &&
-               test_must_fail git submodule update --init --depth=1 2>actual &&
+               # Some protocol versions (e.g. 2) support fetching
+               # unadvertised objects, so restrict this test to v0.
+               test_must_fail env GIT_TEST_PROTOCOL_VERSION= \
+                       git submodule update --init --depth=1 2>actual &&
                test_i18ngrep "Direct fetching of that commit failed." actual &&
                git -C ../submodule config uploadpack.allowReachableSHA1InWant true &&
                git submodule update --init --depth=1 >actual &&