read-tree A B C: do not create a bogus index and do not segfault

diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh
index 140e8745811b9f25abfa2c9c24a0569f8dd39c66..362cf7e928090fb3752936317f78a4d128810127 100755 (executable)
--- a/t/t5500-fetch-pack.sh
+++ b/t/t5500-fetch-pack.sh
@@ -177,6 +177,6 @@ test_expect_success "clone shallow object count" \
        "test \"count: 18\" = \"$(grep count count.shallow)\""
 
 test_expect_success "pull in shallow repo with missing merge base" \
-       "(cd shallow && ! git pull --depth 4 .. A)"
+       "(cd shallow && test_must_fail git pull --depth 4 .. A)"
 
 test_done