sha1-lookup: handle duplicate keys with GIT_USE_LOOKUP

diff --git a/t/t5505-remote.sh b/t/t5505-remote.sh
index 8b411eb66649f5a26c2f0e69a5c66cf3a97e30d3..dd10ff053ce28ff2ef092e7b0740c809ba64f5b9 100755 (executable)
--- a/t/t5505-remote.sh
+++ b/t/t5505-remote.sh
@@ -345,7 +345,7 @@ test_expect_success 'fetch mirrors do not act as mirrors during push' '
        ) &&
        (cd mirror-fetch/child &&
         git branch -m renamed renamed2 &&
-        git push parent
+        git push parent :
        ) &&
        (cd mirror-fetch/parent &&
         git rev-parse --verify renamed &&