t1092: add compatibility tests for 'git show'

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh
index 236ab5302844b21d5688ddaca5e98625c33406fa..74792b5ebbcde6e697ba75ba104454e2ddf7444b 100755 (executable)
--- a/t/t1092-sparse-checkout-compatibility.sh
+++ b/t/t1092-sparse-checkout-compatibility.sh
@@ -1151,6 +1151,22 @@ test_expect_success 'clean' '
        test_sparse_match test_path_is_dir folder1
 '
 
+test_expect_success 'show (cached blobs/trees)' '
+       init_repos &&
+
+       test_all_match git show :a &&
+       test_all_match git show :deep/a &&
+       test_sparse_match git show :folder1/a &&
+
+       # Asking "git show" for directories in the index
+       # does not work as implemented. The error message is
+       # different for a full checkout and a sparse checkout
+       # when the directory is outside of the cone.
+       test_all_match test_must_fail git show :deep/ &&
+       test_must_fail git -C full-checkout show :folder1/ &&
+       test_sparse_match test_must_fail git show :folder1/
+'
+
 test_expect_success 'submodule handling' '
        init_repos &&