sha1-lookup: handle duplicate keys with GIT_USE_LOOKUP

diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index 50ac02028df0cc83e3f30cc73373ddf930634e3f..a4ffea0dbe743a1bbe4c5512037a6b1ffde1c313 100755 (executable)
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -596,14 +596,14 @@ test_expect_success 'submodule add places git-dir in superprojects git-dir recur
           git log > ../../../expected
          ) &&
          git commit -m "added subsubmodule" &&
-         git push
+         git push origin :
         ) &&
         (cd .git/modules/deeper/submodule/modules/subsubmodule &&
          git log > ../../../../../actual
         ) &&
         git add deeper/submodule &&
         git commit -m "update submodule" &&
-        git push &&
+        git push origin : &&
         test_cmp actual expected
        )
 '
@@ -643,7 +643,8 @@ test_expect_success 'submodule update places git-dir in superprojects git-dir re
        rm -rf super_update_r2 &&
        git clone super_update_r super_update_r2 &&
        (cd super_update_r2 &&
-        git submodule update --init --recursive &&
+        git submodule update --init --recursive >actual &&
+        test_i18ngrep "Submodule path .submodule/subsubmodule.: checked out" actual &&
         (cd submodule/subsubmodule &&
          git log > ../../expected
         ) &&