040000 tree 2e81eb22facb2c77fa6e3df3936bc27096846f29	basic
040000 tree a010620629f68868eedab3cb618ff1a66636c3a2	different-strip-level
040000 tree 665f9d5d29860628fc9ec8a82840623c6ee4c6ba	multiple-patches
040000 tree c16d4635396841e01056aafb18889724b4fdf726	separate-patch-dir