$ git format-patch --stdout --cover-letter -n initial..master^
From 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 Mon Sep 17 00:00:00 2001
From: C O Mitter <committer@example.com>
Date: Mon, 26 Jun 2006 00:06:00 +0000
Subject: [DIFFERENT_PREFIX 0/2] *** SUBJECT HERE ***

*** BLURB HERE ***

A U Thor (2):
  Second
  Third

 dir/sub | 4 ++++
 file0   | 3 +++
 file1   | 3 +++
 file2   | 3 ---
 4 files changed, 10 insertions(+), 3 deletions(-)
 create mode 100644 file1
 delete mode 100644 file2

-- 
g-i-t--v-e-r-s-i-o-n

From 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44 Mon Sep 17 00:00:00 2001
From: A U Thor <author@example.com>
Date: Mon, 26 Jun 2006 00:01:00 +0000
Subject: [DIFFERENT_PREFIX 1/2] Second

This is the second commit.
---
 dir/sub | 2 ++
 file0   | 3 +++
 file2   | 3 ---
 3 files changed, 5 insertions(+), 3 deletions(-)
 delete mode 100644 file2

diff --git a/dir/sub b/dir/sub
index 35d242b..8422d40 100644
--- a/dir/sub
+++ b/dir/sub
@@ -1,2 +1,4 @@
 A
 B
+C
+D
diff --git a/file0 b/file0
index 01e79c3..b414108 100644
--- a/file0
+++ b/file0
@@ -1,3 +1,6 @@
 1
 2
 3
+4
+5
+6
diff --git a/file2 b/file2
deleted file mode 100644
index 01e79c3..0000000
--- a/file2
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-2
-3
-- 
g-i-t--v-e-r-s-i-o-n


From 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 Mon Sep 17 00:00:00 2001
From: A U Thor <author@example.com>
Date: Mon, 26 Jun 2006 00:02:00 +0000
Subject: [DIFFERENT_PREFIX 2/2] Third

---
 dir/sub | 2 ++
 file1   | 3 +++
 2 files changed, 5 insertions(+)
 create mode 100644 file1

diff --git a/dir/sub b/dir/sub
index 8422d40..cead32e 100644
--- a/dir/sub
+++ b/dir/sub
@@ -2,3 +2,5 @@ A
 B
 C
 D
+E
+F
diff --git a/file1 b/file1
new file mode 100644
index 0000000..b1e6722
--- /dev/null
+++ b/file1
@@ -0,0 +1,3 @@
+A
+B
+C
-- 
g-i-t--v-e-r-s-i-o-n

$