Signed-off-by: Elijah Newren <new...@gmail.com>
---
 t/t6043-merge-index-only.sh | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/t/t6043-merge-index-only.sh b/t/t6043-merge-index-only.sh
index 4c3c40a..b01bf79 100755
--- a/t/t6043-merge-index-only.sh
+++ b/t/t6043-merge-index-only.sh
@@ -333,4 +333,45 @@ test_expect_failure '--index-only w/ resolve, non-trivial, 
bare' '
        )
 '
 
+test_expect_failure '--index-only octopus, non-bare' '
+       git reset --hard &&
+       git checkout B^0 &&
+
+       git merge --index-only -s octopus C^0 D^0 &&
+
+       test "$(git rev-list --count HEAD)" -eq 5 &&
+       test $(git rev-parse :a) != $(git rev-parse B:a) &&
+       test $(git rev-parse :a) != $(git rev-parse C:a) &&
+       test $(git rev-parse :a) != $(git rev-parse D:a) &&
+       test $(git rev-parse :b) = $(git rev-parse B:b) &&
+       test $(git rev-parse :c) = $(git rev-parse C:c) &&
+       test $(git rev-parse :d) = $(git rev-parse D:d) &&
+       test $(git hash-object a) = $(git rev-parse B:a) &&
+       test ! -f c &&
+       test ! -f d
+'
+
+test_expect_failure '--index-only octopus, bare' '
+       rm -rf bare.clone &&
+       git clone --bare . bare.clone &&
+       (cd bare.clone &&
+
+        git update-ref --no-deref HEAD B &&
+        git read-tree HEAD &&
+
+        git merge --index-only -s octopus C^0 D^0 &&
+
+        test "$(git rev-list --count HEAD)" -eq 5 &&
+        test $(git rev-parse :a) != $(git rev-parse B:a) &&
+        test $(git rev-parse :a) != $(git rev-parse C:a) &&
+        test $(git rev-parse :a) != $(git rev-parse D:a) &&
+        test $(git rev-parse :b) = $(git rev-parse B:b) &&
+        test $(git rev-parse :c) = $(git rev-parse C:c) &&
+        test $(git rev-parse :d) = $(git rev-parse D:d) &&
+        test ! -f a &&
+        test ! -f c &&
+        test ! -f d
+       )
+'
+
 test_done
-- 
2.8.0.18.gc685494

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