sha1-lookup: handle duplicate keys with GIT_USE_LOOKUP

diff --git a/t/t9020-remote-svn.sh b/t/t9020-remote-svn.sh
index 2d2f016f6f8b151f10b08e4419dc6d3bdef3d0a8..d9f6b73ab001c4105cf336e213978807d8acf864 100755 (executable)
--- a/t/t9020-remote-svn.sh
+++ b/t/t9020-remote-svn.sh
@@ -74,7 +74,8 @@ test_expect_success REMOTE_SVN 'mark-file regeneration' '
 '
 
 test_expect_success REMOTE_SVN 'incremental imports must lead to the same head' '
-       export SVNRMAX=3 &&
+       SVNRMAX=3 &&
+       export SVNRMAX &&
        init_git &&
        git fetch svnsim &&
        test_cmp .git/refs/svn/svnsim/master .git/refs/remotes/svnsim/master  &&