040000 tree a12f918374e374b15cd33d4ae7e68b577dd6d7f2	dir_with_files
040000 tree 7fffc983f73387d14553f6848aa2251c151637cd	dir_with_only_subdir
100644 blob 56b30fe68ceb1d99f6d0942dbcc274e76fccf748	file01
100644 blob ac56e62ccebb4fcdb79fc74e85384e81f7814054	file_with_long_name_and_contents_for_seek_testing_1234567890