$ git diff-tree --root --patch-with-raw initial
444ac553ac7612cc88969031b02b3767fb8a353a
:000000 100644 0000000000000000000000000000000000000000 35d242ba79ae89ac695e26b3d4c27a8e6f028f9e A	dir/sub
:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A	file0
:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A	file2

diff --git a/dir/sub b/dir/sub
new file mode 100644
index 0000000..35d242b
--- /dev/null
+++ b/dir/sub
@@ -0,0 +1,2 @@
+A
+B
diff --git a/file0 b/file0
new file mode 100644
index 0000000..01e79c3
--- /dev/null
+++ b/file0
@@ -0,0 +1,3 @@
+1
+2
+3
diff --git a/file2 b/file2
new file mode 100644
index 0000000..01e79c3
--- /dev/null
+++ b/file2
@@ -0,0 +1,3 @@
+1
+2
+3
$