Merge branch 'jc/diff-test' into th/diff

* jc/diff-test:
  t4013: add format-patch tests.

6 files changed, 572 insertions, 0 deletions

diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
new file mode 100644
index 0000000000..a89bbbbcfb
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
@@ -0,0 +1,165 @@
+$ git format-patch --attach --stdout initial..master
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file2   |    3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+
+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 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub |    2 ++
+ file1   |    3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+
+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--
+
+
+
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file3   |    4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master^ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
new file mode 100644
index 0000000000..4de9091a40
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
@@ -0,0 +1,106 @@
+$ git format-patch --attach --stdout initial..master^
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file2   |    3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+
+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 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub |    2 ++
+ file1   |    3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+
+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--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..side b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
new file mode 100644
index 0000000000..3769fa6daf
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
@@ -0,0 +1,60 @@
+$ git format-patch --attach --stdout initial..side
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file3   |    4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--stdout_initial..master b/t/t4013/diff.format-patch_--stdout_initial..master
new file mode 100644
index 0000000000..b7b4e7ca91
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..master
@@ -0,0 +1,120 @@
+$ git format-patch --stdout initial..master
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file2   |    3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+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 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+---
+ dir/sub |    2 ++
+ file1   |    3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+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
+
+
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file3   |    4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+-- 
+g-i-t--v-e-r-s-i-o-n
+
+$
diff --git a/t/t4013/diff.format-patch_--stdout_initial..master^ b/t/t4013/diff.format-patch_--stdout_initial..master^
new file mode 100644
index 0000000000..e56dd98df3
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..master^
@@ -0,0 +1,76 @@
+$ git format-patch --stdout initial..master^
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file2   |    3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+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 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+---
+ dir/sub |    2 ++
+ file1   |    3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+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
+
+$
diff --git a/t/t4013/diff.format-patch_--stdout_initial..side b/t/t4013/diff.format-patch_--stdout_initial..side
new file mode 100644
index 0000000000..e7ddbf4814
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..side
@@ -0,0 +1,45 @@
+$ git format-patch --stdout initial..side
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file3   |    4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+-- 
+g-i-t--v-e-r-s-i-o-n
+
+$