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-rw-r--r--t/t4013/diff.config_format.subjectprefix_DIFFERENT_PREFIX2
-rw-r--r--t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master34
-rw-r--r--t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side39
-rw-r--r--t/t4013/diff.diff-tree_--cc_--patch-with-stat_master34
-rw-r--r--t/t4013/diff.diff-tree_--cc_--stat_--summary_master6
-rw-r--r--t/t4013/diff.diff-tree_--cc_--stat_--summary_side8
-rw-r--r--t/t4013/diff.diff-tree_--cc_--stat_master6
-rw-r--r--t/t4013/diff.diff-tree_--cc_master30
-rw-r--r--t/t4013/diff.diff-tree_--patch-with-raw_initial2
-rw-r--r--t/t4013/diff.diff-tree_--patch-with-stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial33
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial34
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial29
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_initial6
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_-p_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side43
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial38
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial39
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial15
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--stat_initial12
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial11
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--summary_initial11
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_-p_initial34
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_initial11
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--summary_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_-p_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_-p_side38
-rw-r--r--t/t4013/diff.diff-tree_--pretty_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_side11
-rw-r--r--t/t4013/diff.diff-tree_--root_--abbrev_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_--patch-with-raw_initial33
-rw-r--r--t/t4013/diff.diff-tree_--root_--patch-with-stat_initial34
-rw-r--r--t/t4013/diff.diff-tree_--root_-p_initial29
-rw-r--r--t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_-r_--abbrev_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_-r_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_initial6
-rw-r--r--t/t4013/diff.diff-tree_-c_--abbrev_master5
-rw-r--r--t/t4013/diff.diff-tree_-c_--stat_--summary_master6
-rw-r--r--t/t4013/diff.diff-tree_-c_--stat_--summary_side8
-rw-r--r--t/t4013/diff.diff-tree_-c_--stat_master6
-rw-r--r--t/t4013/diff.diff-tree_-c_master5
-rw-r--r--t/t4013/diff.diff-tree_-p_-m_master80
-rw-r--r--t/t4013/diff.diff-tree_-p_initial2
-rw-r--r--t/t4013/diff.diff-tree_-p_master2
-rw-r--r--t/t4013/diff.diff-tree_-r_--abbrev=4_initial2
-rw-r--r--t/t4013/diff.diff-tree_-r_--abbrev_initial2
-rw-r--r--t/t4013/diff.diff-tree_-r_initial2
-rw-r--r--t/t4013/diff.diff-tree_initial2
-rw-r--r--t/t4013/diff.diff-tree_master2
-rw-r--r--t/t4013/diff.diff_--abbrev_initial..side32
-rw-r--r--t/t4013/diff.diff_--cached38
-rw-r--r--t/t4013/diff.diff_--cached_--_file015
-rw-r--r--t/t4013/diff.diff_--dirstat-by-file_initial_rearrange3
-rw-r--r--t/t4013/diff.diff_--dirstat_initial_rearrange3
-rw-r--r--t/t4013/diff.diff_--dirstat_master~1_master~23
-rw-r--r--t/t4013/diff.diff_--name-status_dir2_dir2
-rw-r--r--t/t4013/diff.diff_--no-index_--name-status_--_dir2_dir3
-rw-r--r--t/t4013/diff.diff_--no-index_--name-status_dir2_dir3
-rw-r--r--t/t4013/diff.diff_--no-index_dir_dir32
-rw-r--r--t/t4013/diff.diff_--patch-with-raw_-r_initial..side36
-rw-r--r--t/t4013/diff.diff_--patch-with-raw_initial..side36
-rw-r--r--t/t4013/diff.diff_--patch-with-stat_-r_initial..side37
-rw-r--r--t/t4013/diff.diff_--patch-with-stat_initial..side37
-rw-r--r--t/t4013/diff.diff_--stat_initial..side6
-rw-r--r--t/t4013/diff.diff_-r_--stat_initial..side6
-rw-r--r--t/t4013/diff.diff_-r_initial..side32
-rw-r--r--t/t4013/diff.diff_initial..side32
-rw-r--r--t/t4013/diff.diff_master_master^_side29
-rw-r--r--t/t4013/diff.format-patch_--attach_--stdout_--suffix=.diff_initial..side61
-rw-r--r--t/t4013/diff.format-patch_--attach_--stdout_initial..master170
-rw-r--r--t/t4013/diff.format-patch_--attach_--stdout_initial..master^110
-rw-r--r--t/t4013/diff.format-patch_--attach_--stdout_initial..side61
-rw-r--r--t/t4013/diff.format-patch_--inline_--stdout_--numbered-files_initial..master170
-rw-r--r--t/t4013/diff.format-patch_--inline_--stdout_--subject-prefix=TESTCASE_initial..master170
-rw-r--r--t/t4013/diff.format-patch_--inline_--stdout_initial..master170
-rw-r--r--t/t4013/diff.format-patch_--inline_--stdout_initial..master^110
-rw-r--r--t/t4013/diff.format-patch_--inline_--stdout_initial..master^^62
-rw-r--r--t/t4013/diff.format-patch_--inline_--stdout_initial..side61
-rw-r--r--t/t4013/diff.format-patch_--stdout_--cover-letter_-n_initial..master^103
-rw-r--r--t/t4013/diff.format-patch_--stdout_--no-numbered_initial..master127
-rw-r--r--t/t4013/diff.format-patch_--stdout_--numbered_initial..master127
-rw-r--r--t/t4013/diff.format-patch_--stdout_initial..master127
-rw-r--r--t/t4013/diff.format-patch_--stdout_initial..master^81
-rw-r--r--t/t4013/diff.format-patch_--stdout_initial..side47
-rw-r--r--t/t4013/diff.log_--decorate=full_--all40
-rw-r--r--t/t4013/diff.log_--decorate_--all40
-rw-r--r--t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_74
-rw-r--r--t/t4013/diff.log_--patch-with-stat_master129
-rw-r--r--t/t4013/diff.log_--patch-with-stat_master_--_dir_74
-rw-r--r--t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master199
-rw-r--r--t/t4013/diff.log_--root_--patch-with-stat_--summary_master167
-rw-r--r--t/t4013/diff.log_--root_--patch-with-stat_master161
-rw-r--r--t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master199
-rw-r--r--t/t4013/diff.log_--root_-p_master142
-rw-r--r--t/t4013/diff.log_--root_master34
-rw-r--r--t/t4013/diff.log_-GF_-p_--pickaxe-all_master27
-rw-r--r--t/t4013/diff.log_-GF_-p_master18
-rw-r--r--t/t4013/diff.log_-GF_master7
-rw-r--r--t/t4013/diff.log_-SF_-p_master18
-rw-r--r--t/t4013/diff.log_-SF_master7
-rw-r--r--t/t4013/diff.log_-SF_master_--max-count=02
-rw-r--r--t/t4013/diff.log_-SF_master_--max-count=17
-rw-r--r--t/t4013/diff.log_-SF_master_--max-count=27
-rw-r--r--t/t4013/diff.log_-S_F_master7
-rw-r--r--t/t4013/diff.log_-m_-p_--first-parent_master100
-rw-r--r--t/t4013/diff.log_-m_-p_master200
-rw-r--r--t/t4013/diff.log_-p_--first-parent_master78
-rw-r--r--t/t4013/diff.log_-p_master115
-rw-r--r--t/t4013/diff.log_master34
-rw-r--r--t/t4013/diff.rev-list_--children_HEAD7
-rw-r--r--t/t4013/diff.rev-list_--parents_HEAD7
-rw-r--r--t/t4013/diff.show_--first-parent_master30
-rw-r--r--t/t4013/diff.show_--patch-with-raw_side42
-rw-r--r--t/t4013/diff.show_--patch-with-stat_--summary_side44
-rw-r--r--t/t4013/diff.show_--patch-with-stat_side43
-rw-r--r--t/t4013/diff.show_--root_initial34
-rw-r--r--t/t4013/diff.show_--stat_--summary_side13
-rw-r--r--t/t4013/diff.show_--stat_side12
-rw-r--r--t/t4013/diff.show_-c_master36
-rw-r--r--t/t4013/diff.show_-m_master93
-rw-r--r--t/t4013/diff.show_initial7
-rw-r--r--t/t4013/diff.show_master36
-rw-r--r--t/t4013/diff.show_side38
-rw-r--r--t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_61
-rw-r--r--t/t4013/diff.whatchanged_--patch-with-stat_master116
-rw-r--r--t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_61
-rw-r--r--t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master199
-rw-r--r--t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master160
-rw-r--r--t/t4013/diff.whatchanged_--root_--patch-with-stat_master154
-rw-r--r--t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master199
-rw-r--r--t/t4013/diff.whatchanged_--root_-p_master135
-rw-r--r--t/t4013/diff.whatchanged_--root_master42
-rw-r--r--t/t4013/diff.whatchanged_-SF_-p_master18
-rw-r--r--t/t4013/diff.whatchanged_-SF_master9
-rw-r--r--t/t4013/diff.whatchanged_-p_master102
-rw-r--r--t/t4013/diff.whatchanged_master32
144 files changed, 6528 insertions, 0 deletions
diff --git a/t/t4013/diff.config_format.subjectprefix_DIFFERENT_PREFIX b/t/t4013/diff.config_format.subjectprefix_DIFFERENT_PREFIX
new file mode 100644
index 0000000000..78f8970e2b
--- /dev/null
+++ b/t/t4013/diff.config_format.subjectprefix_DIFFERENT_PREFIX
@@ -0,0 +1,2 @@
+$ git config format.subjectprefix DIFFERENT_PREFIX
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..3a9f78a09d
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master
@@ -0,0 +1,34 @@
+$ git diff-tree --cc --patch-with-stat --summary master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side
new file mode 100644
index 0000000000..a61ad8cb13
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side
@@ -0,0 +1,39 @@
+$ git diff-tree --cc --patch-with-stat --summary side
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--patch-with-stat_master b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_master
new file mode 100644
index 0000000000..49f23b9215
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_master
@@ -0,0 +1,34 @@
+$ git diff-tree --cc --patch-with-stat master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--stat_--summary_master b/t/t4013/diff.diff-tree_--cc_--stat_--summary_master
new file mode 100644
index 0000000000..cc6eb3b3d5
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--stat_--summary_master
@@ -0,0 +1,6 @@
+$ git diff-tree --cc --stat --summary master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--stat_--summary_side b/t/t4013/diff.diff-tree_--cc_--stat_--summary_side
new file mode 100644
index 0000000000..50362be7bf
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--stat_--summary_side
@@ -0,0 +1,8 @@
+$ git diff-tree --cc --stat --summary side
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--stat_master b/t/t4013/diff.diff-tree_--cc_--stat_master
new file mode 100644
index 0000000000..fae7f33255
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--stat_master
@@ -0,0 +1,6 @@
+$ git diff-tree --cc --stat master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_--cc_master b/t/t4013/diff.diff-tree_--cc_master
new file mode 100644
index 0000000000..5ecb4e14ae
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_master
@@ -0,0 +1,30 @@
+$ git diff-tree --cc master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.diff-tree_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--patch-with-raw_initial
new file mode 100644
index 0000000000..fc177ab3f2
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--patch-with-raw_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --patch-with-raw initial
+$
diff --git a/t/t4013/diff.diff-tree_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--patch-with-stat_initial
new file mode 100644
index 0000000000..bd905b1c57
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--patch-with-stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --patch-with-stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial
new file mode 100644
index 0000000000..7bb8b45e3e
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline --patch-with-raw initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial
new file mode 100644
index 0000000000..cbdde4f400
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline --patch-with-stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial
new file mode 100644
index 0000000000..cd79f1a0ff
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial
@@ -0,0 +1,33 @@
+$ git diff-tree --pretty=oneline --root --patch-with-raw initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+: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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial
new file mode 100644
index 0000000000..d5c333a378
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial
@@ -0,0 +1,34 @@
+$ git diff-tree --pretty=oneline --root --patch-with-stat initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial
new file mode 100644
index 0000000000..3c5092c699
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial
@@ -0,0 +1,29 @@
+$ git diff-tree --pretty=oneline --root -p initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_initial
new file mode 100644
index 0000000000..08920ac658
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --pretty=oneline --root initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+:000000 040000 0000000000000000000000000000000000000000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 A dir
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_-p_initial b/t/t4013/diff.diff-tree_--pretty=oneline_-p_initial
new file mode 100644
index 0000000000..94b76bfef1
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_-p_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline -p initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_initial b/t/t4013/diff.diff-tree_--pretty=oneline_initial
new file mode 100644
index 0000000000..d50970d574
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial
new file mode 100644
index 0000000000..3a85316d8a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --patch-with-raw initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial
new file mode 100644
index 0000000000..2e08239a46
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --patch-with-stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side
new file mode 100644
index 0000000000..4d30e7eddc
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side
@@ -0,0 +1,43 @@
+$ git diff-tree --pretty --patch-with-stat side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ 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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial
new file mode 100644
index 0000000000..a3203bd19b
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial
@@ -0,0 +1,38 @@
+$ git diff-tree --pretty --root --patch-with-raw initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+: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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial
new file mode 100644
index 0000000000..7dfa6af3c9
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial
@@ -0,0 +1,39 @@
+$ git diff-tree --pretty --root --patch-with-stat initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial
new file mode 100644
index 0000000000..43bfce253e
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial
@@ -0,0 +1,15 @@
+$ git diff-tree --pretty --root --stat --summary initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--stat_initial b/t/t4013/diff.diff-tree_--pretty_--root_--stat_initial
new file mode 100644
index 0000000000..9154aa4d47
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--stat_initial
@@ -0,0 +1,12 @@
+$ git diff-tree --pretty --root --stat initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial b/t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial
new file mode 100644
index 0000000000..ccdaafb377
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty --root --summary -r initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial
new file mode 100644
index 0000000000..58e5f74aea
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty --root --summary initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_-p_initial b/t/t4013/diff.diff-tree_--pretty_--root_-p_initial
new file mode 100644
index 0000000000..d0411f64ec
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_-p_initial
@@ -0,0 +1,34 @@
+$ git diff-tree --pretty --root -p initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_initial b/t/t4013/diff.diff-tree_--pretty_--root_initial
new file mode 100644
index 0000000000..94e32eabb1
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_initial
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty --root initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+:000000 040000 0000000000000000000000000000000000000000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 A dir
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial
new file mode 100644
index 0000000000..c22983ac4a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --stat --summary initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--stat_initial b/t/t4013/diff.diff-tree_--pretty_--stat_initial
new file mode 100644
index 0000000000..8fdcfb4c0a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--summary_initial
new file mode 100644
index 0000000000..9bc2c4fbad
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--summary_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --summary initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_-p_initial b/t/t4013/diff.diff-tree_--pretty_-p_initial
new file mode 100644
index 0000000000..3c9942faf4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_-p_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty -p initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_-p_side b/t/t4013/diff.diff-tree_--pretty_-p_side
new file mode 100644
index 0000000000..b993aa7b89
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_-p_side
@@ -0,0 +1,38 @@
+$ git diff-tree --pretty -p side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+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
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_initial b/t/t4013/diff.diff-tree_--pretty_initial
new file mode 100644
index 0000000000..14715bf7d0
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_side b/t/t4013/diff.diff-tree_--pretty_side
new file mode 100644
index 0000000000..e9b6e1c102
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_side
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:040000 040000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 f977ed46ae6873c1c30ab878e15a4accedc3618b M dir
+:100644 100644 01e79c32a8c99c557f0757da7cb6d65b3414466d f4615da674c09df322d6ba8d6b21ecfb1b1ba510 M file0
+:000000 100644 0000000000000000000000000000000000000000 7289e35bff32727c08dda207511bec138fdb9ea5 A file3
+$
diff --git a/t/t4013/diff.diff-tree_--root_--abbrev_initial b/t/t4013/diff.diff-tree_--root_--abbrev_initial
new file mode 100644
index 0000000000..5aa84b2a86
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_--abbrev_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root --abbrev initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 040000 0000000... da7a33f... A dir
+:000000 100644 0000000... 01e79c3... A file0
+:000000 100644 0000000... 01e79c3... A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--root_--patch-with-raw_initial
new file mode 100644
index 0000000000..d295e475dd
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_--patch-with-raw_initial
@@ -0,0 +1,33 @@
+$ 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
+$
diff --git a/t/t4013/diff.diff-tree_--root_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--root_--patch-with-stat_initial
new file mode 100644
index 0000000000..1562b62708
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_--patch-with-stat_initial
@@ -0,0 +1,34 @@
+$ git diff-tree --root --patch-with-stat initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+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
+$
diff --git a/t/t4013/diff.diff-tree_--root_-p_initial b/t/t4013/diff.diff-tree_--root_-p_initial
new file mode 100644
index 0000000000..3219c72fcb
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-p_initial
@@ -0,0 +1,29 @@
+$ git diff-tree --root -p initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+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
+$
diff --git a/t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial b/t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial
new file mode 100644
index 0000000000..0c5361688c
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root -r --abbrev=4 initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 100644 0000... 35d2... A dir/sub
+:000000 100644 0000... 01e7... A file0
+:000000 100644 0000... 01e7... A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_-r_--abbrev_initial b/t/t4013/diff.diff-tree_--root_-r_--abbrev_initial
new file mode 100644
index 0000000000..c7b460faf6
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-r_--abbrev_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root -r --abbrev initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 100644 0000000... 35d242b... A dir/sub
+:000000 100644 0000000... 01e79c3... A file0
+:000000 100644 0000000... 01e79c3... A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_-r_initial b/t/t4013/diff.diff-tree_--root_-r_initial
new file mode 100644
index 0000000000..eed435e175
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-r_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root -r initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 100644 0000000000000000000000000000000000000000 35d242ba79ae89ac695e26b3d4c27a8e6f028f9e A dir/sub
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_initial b/t/t4013/diff.diff-tree_--root_initial
new file mode 100644
index 0000000000..ddf6b068ab
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 040000 0000000000000000000000000000000000000000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 A dir
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_-c_--abbrev_master b/t/t4013/diff.diff-tree_-c_--abbrev_master
new file mode 100644
index 0000000000..b8e4aa2530
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--abbrev_master
@@ -0,0 +1,5 @@
+$ git diff-tree -c --abbrev master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+::100644 100644 100644 cead32e... 7289e35... 992913c... MM dir/sub
+::100644 100644 100644 b414108... f4615da... 10a8a9f... MM file0
+$
diff --git a/t/t4013/diff.diff-tree_-c_--stat_--summary_master b/t/t4013/diff.diff-tree_-c_--stat_--summary_master
new file mode 100644
index 0000000000..ac9f641fb4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--stat_--summary_master
@@ -0,0 +1,6 @@
+$ git diff-tree -c --stat --summary master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_-c_--stat_--summary_side b/t/t4013/diff.diff-tree_-c_--stat_--summary_side
new file mode 100644
index 0000000000..2afcca11f4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--stat_--summary_side
@@ -0,0 +1,8 @@
+$ git diff-tree -c --stat --summary side
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+$
diff --git a/t/t4013/diff.diff-tree_-c_--stat_master b/t/t4013/diff.diff-tree_-c_--stat_master
new file mode 100644
index 0000000000..c2fe6a98c5
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--stat_master
@@ -0,0 +1,6 @@
+$ git diff-tree -c --stat master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_-c_master b/t/t4013/diff.diff-tree_-c_master
new file mode 100644
index 0000000000..e2d2bb2611
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_master
@@ -0,0 +1,5 @@
+$ git diff-tree -c master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+::100644 100644 100644 cead32e925b1420c84c14cbf7cf755e7e45af8ad 7289e35bff32727c08dda207511bec138fdb9ea5 992913c5aa0a5476d10c49ed0f21fc0c6d1aedf3 MM dir/sub
+::100644 100644 100644 b414108e81e5091fe0974a1858b4d0d22b107f70 f4615da674c09df322d6ba8d6b21ecfb1b1ba510 10a8a9f3657f91a156b9f0184ed79a20adef9f7f MM file0
+$
diff --git a/t/t4013/diff.diff-tree_-p_-m_master b/t/t4013/diff.diff-tree_-p_-m_master
new file mode 100644
index 0000000000..b60bea039d
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-p_-m_master
@@ -0,0 +1,80 @@
+$ git diff-tree -p -m master
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+diff --git a/dir/sub b/dir/sub
+index cead32e..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -4,3 +4,5 @@ C
+ D
+ E
+ F
++1
++2
+diff --git a/file0 b/file0
+index b414108..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -4,3 +4,6 @@
+ 4
+ 5
+ 6
++A
++B
++C
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+diff --git a/dir/sub b/dir/sub
+index 7289e35..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,4 +1,8 @@
+ A
+ B
++C
++D
++E
++F
+ 1
+ 2
+diff --git a/file0 b/file0
+index f4615da..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -1,6 +1,9 @@
+ 1
+ 2
+ 3
++4
++5
++6
+ A
+ B
+ C
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+diff --git a/file3 b/file3
+deleted file mode 100644
+index 7289e35..0000000
+--- a/file3
++++ /dev/null
+@@ -1,4 +0,0 @@
+-A
+-B
+-1
+-2
+$
diff --git a/t/t4013/diff.diff-tree_-p_initial b/t/t4013/diff.diff-tree_-p_initial
new file mode 100644
index 0000000000..e20ce88370
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-p_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -p initial
+$
diff --git a/t/t4013/diff.diff-tree_-p_master b/t/t4013/diff.diff-tree_-p_master
new file mode 100644
index 0000000000..b182875fb2
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-p_master
@@ -0,0 +1,2 @@
+$ git diff-tree -p master
+$
diff --git a/t/t4013/diff.diff-tree_-r_--abbrev=4_initial b/t/t4013/diff.diff-tree_-r_--abbrev=4_initial
new file mode 100644
index 0000000000..c5a3aa5aa4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-r_--abbrev=4_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -r --abbrev=4 initial
+$
diff --git a/t/t4013/diff.diff-tree_-r_--abbrev_initial b/t/t4013/diff.diff-tree_-r_--abbrev_initial
new file mode 100644
index 0000000000..0b689b773c
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-r_--abbrev_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -r --abbrev initial
+$
diff --git a/t/t4013/diff.diff-tree_-r_initial b/t/t4013/diff.diff-tree_-r_initial
new file mode 100644
index 0000000000..1765d83ce4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-r_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -r initial
+$
diff --git a/t/t4013/diff.diff-tree_initial b/t/t4013/diff.diff-tree_initial
new file mode 100644
index 0000000000..b49fc53457
--- /dev/null
+++ b/t/t4013/diff.diff-tree_initial
@@ -0,0 +1,2 @@
+$ git diff-tree initial
+$
diff --git a/t/t4013/diff.diff-tree_master b/t/t4013/diff.diff-tree_master
new file mode 100644
index 0000000000..fe9226f8a1
--- /dev/null
+++ b/t/t4013/diff.diff-tree_master
@@ -0,0 +1,2 @@
+$ git diff-tree master
+$
diff --git a/t/t4013/diff.diff_--abbrev_initial..side b/t/t4013/diff.diff_--abbrev_initial..side
new file mode 100644
index 0000000000..a88e66f817
--- /dev/null
+++ b/t/t4013/diff.diff_--abbrev_initial..side
@@ -0,0 +1,32 @@
+$ git diff --abbrev initial..side
+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
+$
diff --git a/t/t4013/diff.diff_--cached b/t/t4013/diff.diff_--cached
new file mode 100644
index 0000000000..ff16e83e7c
--- /dev/null
+++ b/t/t4013/diff.diff_--cached
@@ -0,0 +1,38 @@
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..992913c
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,8 @@
++A
++B
++C
++D
++E
++F
++1
++2
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..10a8a9f
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,9 @@
++1
++2
++3
++4
++5
++6
++A
++B
++C
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
diff --git a/t/t4013/diff.diff_--cached_--_file0 b/t/t4013/diff.diff_--cached_--_file0
new file mode 100644
index 0000000000..b9bb858a03
--- /dev/null
+++ b/t/t4013/diff.diff_--cached_--_file0
@@ -0,0 +1,15 @@
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..10a8a9f
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,9 @@
++1
++2
++3
++4
++5
++6
++A
++B
++C
diff --git a/t/t4013/diff.diff_--dirstat-by-file_initial_rearrange b/t/t4013/diff.diff_--dirstat-by-file_initial_rearrange
new file mode 100644
index 0000000000..e48e33f678
--- /dev/null
+++ b/t/t4013/diff.diff_--dirstat-by-file_initial_rearrange
@@ -0,0 +1,3 @@
+$ git diff --dirstat-by-file initial rearrange
+ 100.0% dir/
+$
diff --git a/t/t4013/diff.diff_--dirstat_initial_rearrange b/t/t4013/diff.diff_--dirstat_initial_rearrange
new file mode 100644
index 0000000000..5fb02c13bc
--- /dev/null
+++ b/t/t4013/diff.diff_--dirstat_initial_rearrange
@@ -0,0 +1,3 @@
+$ git diff --dirstat initial rearrange
+ 100.0% dir/
+$
diff --git a/t/t4013/diff.diff_--dirstat_master~1_master~2 b/t/t4013/diff.diff_--dirstat_master~1_master~2
new file mode 100644
index 0000000000..b672e1ca63
--- /dev/null
+++ b/t/t4013/diff.diff_--dirstat_master~1_master~2
@@ -0,0 +1,3 @@
+$ git diff --dirstat master~1 master~2
+ 40.0% dir/
+$
diff --git a/t/t4013/diff.diff_--name-status_dir2_dir b/t/t4013/diff.diff_--name-status_dir2_dir
new file mode 100644
index 0000000000..d0d96aaa91
--- /dev/null
+++ b/t/t4013/diff.diff_--name-status_dir2_dir
@@ -0,0 +1,2 @@
+$ git diff --name-status dir2 dir
+$
diff --git a/t/t4013/diff.diff_--no-index_--name-status_--_dir2_dir b/t/t4013/diff.diff_--no-index_--name-status_--_dir2_dir
new file mode 100644
index 0000000000..6756f8de67
--- /dev/null
+++ b/t/t4013/diff.diff_--no-index_--name-status_--_dir2_dir
@@ -0,0 +1,3 @@
+$ git diff --no-index --name-status -- dir2 dir
+A dir/sub
+$
diff --git a/t/t4013/diff.diff_--no-index_--name-status_dir2_dir b/t/t4013/diff.diff_--no-index_--name-status_dir2_dir
new file mode 100644
index 0000000000..6a47584777
--- /dev/null
+++ b/t/t4013/diff.diff_--no-index_--name-status_dir2_dir
@@ -0,0 +1,3 @@
+$ git diff --no-index --name-status dir2 dir
+A dir/sub
+$
diff --git a/t/t4013/diff.diff_--no-index_dir_dir3 b/t/t4013/diff.diff_--no-index_dir_dir3
new file mode 100644
index 0000000000..2142c2b9ad
--- /dev/null
+++ b/t/t4013/diff.diff_--no-index_dir_dir3
@@ -0,0 +1,2 @@
+$ git diff --no-index dir dir3
+$
diff --git a/t/t4013/diff.diff_--patch-with-raw_-r_initial..side b/t/t4013/diff.diff_--patch-with-raw_-r_initial..side
new file mode 100644
index 0000000000..3590dc79a6
--- /dev/null
+++ b/t/t4013/diff.diff_--patch-with-raw_-r_initial..side
@@ -0,0 +1,36 @@
+$ git diff --patch-with-raw -r initial..side
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+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
+$
diff --git a/t/t4013/diff.diff_--patch-with-raw_initial..side b/t/t4013/diff.diff_--patch-with-raw_initial..side
new file mode 100644
index 0000000000..b21d5dc6f3
--- /dev/null
+++ b/t/t4013/diff.diff_--patch-with-raw_initial..side
@@ -0,0 +1,36 @@
+$ git diff --patch-with-raw initial..side
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+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
+$
diff --git a/t/t4013/diff.diff_--patch-with-stat_-r_initial..side b/t/t4013/diff.diff_--patch-with-stat_-r_initial..side
new file mode 100644
index 0000000000..9ed317a198
--- /dev/null
+++ b/t/t4013/diff.diff_--patch-with-stat_-r_initial..side
@@ -0,0 +1,37 @@
+$ git diff --patch-with-stat -r initial..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
+$
diff --git a/t/t4013/diff.diff_--patch-with-stat_initial..side b/t/t4013/diff.diff_--patch-with-stat_initial..side
new file mode 100644
index 0000000000..8b50629e66
--- /dev/null
+++ b/t/t4013/diff.diff_--patch-with-stat_initial..side
@@ -0,0 +1,37 @@
+$ git diff --patch-with-stat initial..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
+$
diff --git a/t/t4013/diff.diff_--stat_initial..side b/t/t4013/diff.diff_--stat_initial..side
new file mode 100644
index 0000000000..0517b5d631
--- /dev/null
+++ b/t/t4013/diff.diff_--stat_initial..side
@@ -0,0 +1,6 @@
+$ git diff --stat initial..side
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff_-r_--stat_initial..side b/t/t4013/diff.diff_-r_--stat_initial..side
new file mode 100644
index 0000000000..245220d3f9
--- /dev/null
+++ b/t/t4013/diff.diff_-r_--stat_initial..side
@@ -0,0 +1,6 @@
+$ git diff -r --stat initial..side
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff_-r_initial..side b/t/t4013/diff.diff_-r_initial..side
new file mode 100644
index 0000000000..5bb2fe2f28
--- /dev/null
+++ b/t/t4013/diff.diff_-r_initial..side
@@ -0,0 +1,32 @@
+$ git diff -r initial..side
+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
+$
diff --git a/t/t4013/diff.diff_initial..side b/t/t4013/diff.diff_initial..side
new file mode 100644
index 0000000000..c8adaf5958
--- /dev/null
+++ b/t/t4013/diff.diff_initial..side
@@ -0,0 +1,32 @@
+$ git diff initial..side
+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
+$
diff --git a/t/t4013/diff.diff_master_master^_side b/t/t4013/diff.diff_master_master^_side
new file mode 100644
index 0000000000..50ec9cadd6
--- /dev/null
+++ b/t/t4013/diff.diff_master_master^_side
@@ -0,0 +1,29 @@
+$ git diff master master^ side
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_--suffix=.diff_initial..side b/t/t4013/diff.format-patch_--attach_--stdout_--suffix=.diff_initial..side
new file mode 100644
index 0000000000..52116d3ead
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_--suffix=.diff_initial..side
@@ -0,0 +1,61 @@
+$ git format-patch --attach --stdout --suffix=.diff 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(-)
+ create mode 100644 file3
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Side.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0001-Side.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..ce49bd676e
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
@@ -0,0 +1,170 @@
+$ git format-patch --attach --stdout initial..master
+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: [PATCH 1/3] 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
+
+
+This is the second commit.
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Second.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0001-Second.patch"
+
+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: [PATCH 2/3] 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(-)
+ create mode 100644 file1
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0002-Third.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0002-Third.patch"
+
+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 3/3] 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(-)
+ create mode 100644 file3
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0003-Side.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0003-Side.patch"
+
+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..5f1b23863b
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
@@ -0,0 +1,110 @@
+$ git format-patch --attach --stdout initial..master^
+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: [PATCH 1/2] 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
+
+
+This is the second commit.
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Second.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0001-Second.patch"
+
+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: [PATCH 2/2] 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(-)
+ create mode 100644 file1
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0002-Third.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0002-Third.patch"
+
+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..4a2364abc2
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
@@ -0,0 +1,61 @@
+$ 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(-)
+ create mode 100644 file3
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Side.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0001-Side.patch"
+
+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_--inline_--stdout_--numbered-files_initial..master b/t/t4013/diff.format-patch_--inline_--stdout_--numbered-files_initial..master
new file mode 100644
index 0000000000..43b81eba54
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_--numbered-files_initial..master
@@ -0,0 +1,170 @@
+$ git format-patch --inline --stdout --numbered-files initial..master
+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: [PATCH 1/3] 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
+
+
+This is the second commit.
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="1"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="1"
+
+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: [PATCH 2/3] 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(-)
+ create mode 100644 file1
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="2"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="2"
+
+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 3/3] 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(-)
+ create mode 100644 file3
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="3"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="3"
+
+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_--inline_--stdout_--subject-prefix=TESTCASE_initial..master b/t/t4013/diff.format-patch_--inline_--stdout_--subject-prefix=TESTCASE_initial..master
new file mode 100644
index 0000000000..ca3f60bf0e
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_--subject-prefix=TESTCASE_initial..master
@@ -0,0 +1,170 @@
+$ git format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
+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: [TESTCASE 1/3] 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
+
+
+This is the second commit.
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Second.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0001-Second.patch"
+
+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: [TESTCASE 2/3] 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(-)
+ create mode 100644 file1
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0002-Third.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0002-Third.patch"
+
+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: [TESTCASE 3/3] 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(-)
+ create mode 100644 file3
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0003-Side.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0003-Side.patch"
+
+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_--inline_--stdout_initial..master b/t/t4013/diff.format-patch_--inline_--stdout_initial..master
new file mode 100644
index 0000000000..08f23014bc
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master
@@ -0,0 +1,170 @@
+$ git format-patch --inline --stdout initial..master
+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: [PATCH 1/3] 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
+
+
+This is the second commit.
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Second.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0001-Second.patch"
+
+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: [PATCH 2/3] 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(-)
+ create mode 100644 file1
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0002-Third.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0002-Third.patch"
+
+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 3/3] 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(-)
+ create mode 100644 file3
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0003-Side.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0003-Side.patch"
+
+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_--inline_--stdout_initial..master^ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^
new file mode 100644
index 0000000000..07f1230d31
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^
@@ -0,0 +1,110 @@
+$ git format-patch --inline --stdout initial..master^
+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: [PATCH 1/2] 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
+
+
+This is the second commit.
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Second.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0001-Second.patch"
+
+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: [PATCH 2/2] 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(-)
+ create mode 100644 file1
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0002-Third.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0002-Third.patch"
+
+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_--inline_--stdout_initial..master^^ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^^
new file mode 100644
index 0000000000..29e00ab8af
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^^
@@ -0,0 +1,62 @@
+$ git format-patch --inline --stdout initial..master^^
+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] 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
+
+
+This is the second commit.
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Second.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0001-Second.patch"
+
+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--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--inline_--stdout_initial..side b/t/t4013/diff.format-patch_--inline_--stdout_initial..side
new file mode 100644
index 0000000000..67633d424a
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..side
@@ -0,0 +1,61 @@
+$ git format-patch --inline --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(-)
+ create mode 100644 file3
+
+
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch; name="0001-Side.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline; filename="0001-Side.patch"
+
+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_--cover-letter_-n_initial..master^ b/t/t4013/diff.format-patch_--stdout_--cover-letter_-n_initial..master^
new file mode 100644
index 0000000000..3b4e113012
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_--cover-letter_-n_initial..master^
@@ -0,0 +1,103 @@
+$ 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(+), 0 deletions(-)
+ 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
+
+$
diff --git a/t/t4013/diff.format-patch_--stdout_--no-numbered_initial..master b/t/t4013/diff.format-patch_--stdout_--no-numbered_initial..master
new file mode 100644
index 0000000000..f7752ebbea
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_--no-numbered_initial..master
@@ -0,0 +1,127 @@
+$ git format-patch --stdout --no-numbered initial..master
+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: [PATCH] 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: [PATCH] Third
+
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+
+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(-)
+ create mode 100644 file3
+
+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_--numbered_initial..master b/t/t4013/diff.format-patch_--stdout_--numbered_initial..master
new file mode 100644
index 0000000000..8e67dbf76f
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_--numbered_initial..master
@@ -0,0 +1,127 @@
+$ git format-patch --stdout --numbered initial..master
+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: [PATCH 1/3] 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: [PATCH 2/3] Third
+
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+
+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 3/3] Side
+
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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..7b89978e32
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..master
@@ -0,0 +1,127 @@
+$ git format-patch --stdout initial..master
+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: [PATCH 1/3] 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: [PATCH 2/3] Third
+
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+
+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 3/3] Side
+
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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..b7f9725dc4
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..master^
@@ -0,0 +1,81 @@
+$ git format-patch --stdout initial..master^
+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: [PATCH 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: [PATCH 2/2] Third
+
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+$
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..e765088475
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..side
@@ -0,0 +1,47 @@
+$ 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(-)
+ create mode 100644 file3
+
+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.log_--decorate=full_--all b/t/t4013/diff.log_--decorate=full_--all
new file mode 100644
index 0000000000..44d45257da
--- /dev/null
+++ b/t/t4013/diff.log_--decorate=full_--all
@@ -0,0 +1,40 @@
+$ git log --decorate=full --all
+commit cd4e72fd96faed3f0ba949dc42967430374e2290 (refs/heads/rearrange)
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:06:00 2006 +0000
+
+ Rearranged lines in dir/sub
+
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (HEAD, refs/heads/master)
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a (refs/heads/side)
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a (refs/heads/initial)
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--decorate_--all b/t/t4013/diff.log_--decorate_--all
new file mode 100644
index 0000000000..27d3eabc26
--- /dev/null
+++ b/t/t4013/diff.log_--decorate_--all
@@ -0,0 +1,40 @@
+$ git log --decorate --all
+commit cd4e72fd96faed3f0ba949dc42967430374e2290 (rearrange)
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:06:00 2006 +0000
+
+ Rearranged lines in dir/sub
+
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (HEAD, master)
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a (side)
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a (initial)
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_ b/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_
new file mode 100644
index 0000000000..bd7f5c0f70
--- /dev/null
+++ b/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_
@@ -0,0 +1,74 @@
+$ git log --patch-with-stat --summary master -- dir/
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--patch-with-stat_master b/t/t4013/diff.log_--patch-with-stat_master
new file mode 100644
index 0000000000..14595a614c
--- /dev/null
+++ b/t/t4013/diff.log_--patch-with-stat_master
@@ -0,0 +1,129 @@
+$ git log --patch-with-stat master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--patch-with-stat_master_--_dir_ b/t/t4013/diff.log_--patch-with-stat_master_--_dir_
new file mode 100644
index 0000000000..5a4e72765d
--- /dev/null
+++ b/t/t4013/diff.log_--patch-with-stat_master_--_dir_
@@ -0,0 +1,74 @@
+$ git log --patch-with-stat master -- dir/
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..df0aaa9f2c
--- /dev/null
+++ b/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master
@@ -0,0 +1,199 @@
+$ git log --root --cc --patch-with-stat --summary master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 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
+$
diff --git a/t/t4013/diff.log_--root_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..c11b5f2c7f
--- /dev/null
+++ b/t/t4013/diff.log_--root_--patch-with-stat_--summary_master
@@ -0,0 +1,167 @@
+$ git log --root --patch-with-stat --summary master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 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
+$
diff --git a/t/t4013/diff.log_--root_--patch-with-stat_master b/t/t4013/diff.log_--root_--patch-with-stat_master
new file mode 100644
index 0000000000..5f0c98f9ce
--- /dev/null
+++ b/t/t4013/diff.log_--root_--patch-with-stat_master
@@ -0,0 +1,161 @@
+$ git log --root --patch-with-stat master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+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
+$
diff --git a/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..e62c368dc6
--- /dev/null
+++ b/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master
@@ -0,0 +1,199 @@
+$ git log --root -c --patch-with-stat --summary master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --combined dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --combined file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 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
+$
diff --git a/t/t4013/diff.log_--root_-p_master b/t/t4013/diff.log_--root_-p_master
new file mode 100644
index 0000000000..b42c334439
--- /dev/null
+++ b/t/t4013/diff.log_--root_-p_master
@@ -0,0 +1,142 @@
+$ git log --root -p master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+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
+$
diff --git a/t/t4013/diff.log_--root_master b/t/t4013/diff.log_--root_master
new file mode 100644
index 0000000000..e8f46159da
--- /dev/null
+++ b/t/t4013/diff.log_--root_master
@@ -0,0 +1,34 @@
+$ git log --root master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_-GF_-p_--pickaxe-all_master b/t/t4013/diff.log_-GF_-p_--pickaxe-all_master
new file mode 100644
index 0000000000..d36f88098b
--- /dev/null
+++ b/t/t4013/diff.log_-GF_-p_--pickaxe-all_master
@@ -0,0 +1,27 @@
+$ git log -GF -p --pickaxe-all master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+$
diff --git a/t/t4013/diff.log_-GF_-p_master b/t/t4013/diff.log_-GF_-p_master
new file mode 100644
index 0000000000..9d93f2c23a
--- /dev/null
+++ b/t/t4013/diff.log_-GF_-p_master
@@ -0,0 +1,18 @@
+$ git log -GF -p master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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/t/t4013/diff.log_-GF_master b/t/t4013/diff.log_-GF_master
new file mode 100644
index 0000000000..4c6708d2d0
--- /dev/null
+++ b/t/t4013/diff.log_-GF_master
@@ -0,0 +1,7 @@
+$ git log -GF master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+$
diff --git a/t/t4013/diff.log_-SF_-p_master b/t/t4013/diff.log_-SF_-p_master
new file mode 100644
index 0000000000..5e32438972
--- /dev/null
+++ b/t/t4013/diff.log_-SF_-p_master
@@ -0,0 +1,18 @@
+$ git log -SF -p master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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/t/t4013/diff.log_-SF_master b/t/t4013/diff.log_-SF_master
new file mode 100644
index 0000000000..c1599f2f52
--- /dev/null
+++ b/t/t4013/diff.log_-SF_master
@@ -0,0 +1,7 @@
+$ git log -SF master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+$
diff --git a/t/t4013/diff.log_-SF_master_--max-count=0 b/t/t4013/diff.log_-SF_master_--max-count=0
new file mode 100644
index 0000000000..c1fc6c8731
--- /dev/null
+++ b/t/t4013/diff.log_-SF_master_--max-count=0
@@ -0,0 +1,2 @@
+$ git log -SF master --max-count=0
+$
diff --git a/t/t4013/diff.log_-SF_master_--max-count=1 b/t/t4013/diff.log_-SF_master_--max-count=1
new file mode 100644
index 0000000000..c981a03814
--- /dev/null
+++ b/t/t4013/diff.log_-SF_master_--max-count=1
@@ -0,0 +1,7 @@
+$ git log -SF master --max-count=1
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+$
diff --git a/t/t4013/diff.log_-SF_master_--max-count=2 b/t/t4013/diff.log_-SF_master_--max-count=2
new file mode 100644
index 0000000000..a6c55fd482
--- /dev/null
+++ b/t/t4013/diff.log_-SF_master_--max-count=2
@@ -0,0 +1,7 @@
+$ git log -SF master --max-count=2
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+$
diff --git a/t/t4013/diff.log_-S_F_master b/t/t4013/diff.log_-S_F_master
new file mode 100644
index 0000000000..978d2b4118
--- /dev/null
+++ b/t/t4013/diff.log_-S_F_master
@@ -0,0 +1,7 @@
+$ git log -S F master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+$
diff --git a/t/t4013/diff.log_-m_-p_--first-parent_master b/t/t4013/diff.log_-m_-p_--first-parent_master
new file mode 100644
index 0000000000..7a0073f529
--- /dev/null
+++ b/t/t4013/diff.log_-m_-p_--first-parent_master
@@ -0,0 +1,100 @@
+$ git log -m -p --first-parent master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --git a/dir/sub b/dir/sub
+index cead32e..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -4,3 +4,5 @@ C
+ D
+ E
+ F
++1
++2
+diff --git a/file0 b/file0
+index b414108..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -4,3 +4,6 @@
+ 4
+ 5
+ 6
++A
++B
++C
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_-m_-p_master b/t/t4013/diff.log_-m_-p_master
new file mode 100644
index 0000000000..9ca62a01ed
--- /dev/null
+++ b/t/t4013/diff.log_-m_-p_master
@@ -0,0 +1,200 @@
+$ git log -m -p master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (from 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0)
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --git a/dir/sub b/dir/sub
+index cead32e..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -4,3 +4,5 @@ C
+ D
+ E
+ F
++1
++2
+diff --git a/file0 b/file0
+index b414108..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -4,3 +4,6 @@
+ 4
+ 5
+ 6
++A
++B
++C
+
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (from c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a)
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --git a/dir/sub b/dir/sub
+index 7289e35..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,4 +1,8 @@
+ A
+ B
++C
++D
++E
++F
+ 1
+ 2
+diff --git a/file0 b/file0
+index f4615da..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -1,6 +1,9 @@
+ 1
+ 2
+ 3
++4
++5
++6
+ A
+ B
+ C
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+diff --git a/file3 b/file3
+deleted file mode 100644
+index 7289e35..0000000
+--- a/file3
++++ /dev/null
+@@ -1,4 +0,0 @@
+-A
+-B
+-1
+-2
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_-p_--first-parent_master b/t/t4013/diff.log_-p_--first-parent_master
new file mode 100644
index 0000000000..3fc896d424
--- /dev/null
+++ b/t/t4013/diff.log_-p_--first-parent_master
@@ -0,0 +1,78 @@
+$ git log -p --first-parent master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_-p_master b/t/t4013/diff.log_-p_master
new file mode 100644
index 0000000000..bf1326dc36
--- /dev/null
+++ b/t/t4013/diff.log_-p_master
@@ -0,0 +1,115 @@
+$ git log -p master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_master b/t/t4013/diff.log_master
new file mode 100644
index 0000000000..a8f6ce5abd
--- /dev/null
+++ b/t/t4013/diff.log_master
@@ -0,0 +1,34 @@
+$ git log master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.rev-list_--children_HEAD b/t/t4013/diff.rev-list_--children_HEAD
new file mode 100644
index 0000000000..e7f17d5aa0
--- /dev/null
+++ b/t/t4013/diff.rev-list_--children_HEAD
@@ -0,0 +1,7 @@
+$ git rev-list --children HEAD
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a 59d314ad6f356dd08601a4cd5e530381da3e3c64
+9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 59d314ad6f356dd08601a4cd5e530381da3e3c64
+1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+444ac553ac7612cc88969031b02b3767fb8a353a 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44 c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+$
diff --git a/t/t4013/diff.rev-list_--parents_HEAD b/t/t4013/diff.rev-list_--parents_HEAD
new file mode 100644
index 0000000000..65d2a80208
--- /dev/null
+++ b/t/t4013/diff.rev-list_--parents_HEAD
@@ -0,0 +1,7 @@
+$ git rev-list --parents HEAD
+59d314ad6f356dd08601a4cd5e530381da3e3c64 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a 444ac553ac7612cc88969031b02b3767fb8a353a
+9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44 444ac553ac7612cc88969031b02b3767fb8a353a
+444ac553ac7612cc88969031b02b3767fb8a353a
+$
diff --git a/t/t4013/diff.show_--first-parent_master b/t/t4013/diff.show_--first-parent_master
new file mode 100644
index 0000000000..3dcbe473a0
--- /dev/null
+++ b/t/t4013/diff.show_--first-parent_master
@@ -0,0 +1,30 @@
+$ git show --first-parent master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --git a/dir/sub b/dir/sub
+index cead32e..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -4,3 +4,5 @@ C
+ D
+ E
+ F
++1
++2
+diff --git a/file0 b/file0
+index b414108..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -4,3 +4,6 @@
+ 4
+ 5
+ 6
++A
++B
++C
+$
diff --git a/t/t4013/diff.show_--patch-with-raw_side b/t/t4013/diff.show_--patch-with-raw_side
new file mode 100644
index 0000000000..221b46a7cc
--- /dev/null
+++ b/t/t4013/diff.show_--patch-with-raw_side
@@ -0,0 +1,42 @@
+$ git show --patch-with-raw side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+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
+$
diff --git a/t/t4013/diff.show_--patch-with-stat_--summary_side b/t/t4013/diff.show_--patch-with-stat_--summary_side
new file mode 100644
index 0000000000..377f2b7b7a
--- /dev/null
+++ b/t/t4013/diff.show_--patch-with-stat_--summary_side
@@ -0,0 +1,44 @@
+$ git show --patch-with-stat --summary side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+$
diff --git a/t/t4013/diff.show_--patch-with-stat_side b/t/t4013/diff.show_--patch-with-stat_side
new file mode 100644
index 0000000000..fb14c530d2
--- /dev/null
+++ b/t/t4013/diff.show_--patch-with-stat_side
@@ -0,0 +1,43 @@
+$ git show --patch-with-stat side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ 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
+$
diff --git a/t/t4013/diff.show_--root_initial b/t/t4013/diff.show_--root_initial
new file mode 100644
index 0000000000..8c89136c4d
--- /dev/null
+++ b/t/t4013/diff.show_--root_initial
@@ -0,0 +1,34 @@
+$ git show --root initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+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
+$
diff --git a/t/t4013/diff.show_--stat_--summary_side b/t/t4013/diff.show_--stat_--summary_side
new file mode 100644
index 0000000000..5bd5977628
--- /dev/null
+++ b/t/t4013/diff.show_--stat_--summary_side
@@ -0,0 +1,13 @@
+$ git show --stat --summary side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+$
diff --git a/t/t4013/diff.show_--stat_side b/t/t4013/diff.show_--stat_side
new file mode 100644
index 0000000000..3b22327e48
--- /dev/null
+++ b/t/t4013/diff.show_--stat_side
@@ -0,0 +1,12 @@
+$ git show --stat side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.show_-c_master b/t/t4013/diff.show_-c_master
new file mode 100644
index 0000000000..81aba8da96
--- /dev/null
+++ b/t/t4013/diff.show_-c_master
@@ -0,0 +1,36 @@
+$ git show -c master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --combined dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --combined file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.show_-m_master b/t/t4013/diff.show_-m_master
new file mode 100644
index 0000000000..4ea2ee453d
--- /dev/null
+++ b/t/t4013/diff.show_-m_master
@@ -0,0 +1,93 @@
+$ git show -m master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (from 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0)
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --git a/dir/sub b/dir/sub
+index cead32e..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -4,3 +4,5 @@ C
+ D
+ E
+ F
++1
++2
+diff --git a/file0 b/file0
+index b414108..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -4,3 +4,6 @@
+ 4
+ 5
+ 6
++A
++B
++C
+
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (from c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a)
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --git a/dir/sub b/dir/sub
+index 7289e35..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,4 +1,8 @@
+ A
+ B
++C
++D
++E
++F
+ 1
+ 2
+diff --git a/file0 b/file0
+index f4615da..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -1,6 +1,9 @@
+ 1
+ 2
+ 3
++4
++5
++6
+ A
+ B
+ C
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+diff --git a/file3 b/file3
+deleted file mode 100644
+index 7289e35..0000000
+--- a/file3
++++ /dev/null
+@@ -1,4 +0,0 @@
+-A
+-B
+-1
+-2
+$
diff --git a/t/t4013/diff.show_initial b/t/t4013/diff.show_initial
new file mode 100644
index 0000000000..4c4066ae48
--- /dev/null
+++ b/t/t4013/diff.show_initial
@@ -0,0 +1,7 @@
+$ git show initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.show_master b/t/t4013/diff.show_master
new file mode 100644
index 0000000000..fb08ce0e46
--- /dev/null
+++ b/t/t4013/diff.show_master
@@ -0,0 +1,36 @@
+$ git show master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.show_side b/t/t4013/diff.show_side
new file mode 100644
index 0000000000..530a073b19
--- /dev/null
+++ b/t/t4013/diff.show_side
@@ -0,0 +1,38 @@
+$ git show side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+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
+$
diff --git a/t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_ b/t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_
new file mode 100644
index 0000000000..6a467cccc1
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_
@@ -0,0 +1,61 @@
+$ git whatchanged --patch-with-stat --summary master -- dir/
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 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/t/t4013/diff.whatchanged_--patch-with-stat_master b/t/t4013/diff.whatchanged_--patch-with-stat_master
new file mode 100644
index 0000000000..1e1bbe1963
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--patch-with-stat_master
@@ -0,0 +1,116 @@
+$ git whatchanged --patch-with-stat master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ 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
+$
diff --git a/t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_ b/t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_
new file mode 100644
index 0000000000..13789f169b
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_
@@ -0,0 +1,61 @@
+$ git whatchanged --patch-with-stat master -- dir/
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 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/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..e96ff1fb8c
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master
@@ -0,0 +1,199 @@
+$ git whatchanged --root --cc --patch-with-stat --summary master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 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
+$
diff --git a/t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..0291153587
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master
@@ -0,0 +1,160 @@
+$ git whatchanged --root --patch-with-stat --summary master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 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
+$
diff --git a/t/t4013/diff.whatchanged_--root_--patch-with-stat_master b/t/t4013/diff.whatchanged_--root_--patch-with-stat_master
new file mode 100644
index 0000000000..9b0349cd55
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_--patch-with-stat_master
@@ -0,0 +1,154 @@
+$ git whatchanged --root --patch-with-stat master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ 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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+---
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+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
+$
diff --git a/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..c0aff68ef6
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master
@@ -0,0 +1,199 @@
+$ git whatchanged --root -c --patch-with-stat --summary master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --combined dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --combined file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ 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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ 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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 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
+$
diff --git a/t/t4013/diff.whatchanged_--root_-p_master b/t/t4013/diff.whatchanged_--root_-p_master
new file mode 100644
index 0000000000..ebf1f0661e
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_-p_master
@@ -0,0 +1,135 @@
+$ git whatchanged --root -p master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+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
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+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
+$
diff --git a/t/t4013/diff.whatchanged_--root_master b/t/t4013/diff.whatchanged_--root_master
new file mode 100644
index 0000000000..a405cb6138
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_master
@@ -0,0 +1,42 @@
+$ git whatchanged --root master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+:100644 100644 8422d40... cead32e... M dir/sub
+:000000 100644 0000000... b1e6722... A file1
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+:100644 100644 35d242b... 8422d40... M dir/sub
+:100644 100644 01e79c3... b414108... M file0
+:100644 000000 01e79c3... 0000000... D file2
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+:000000 100644 0000000... 35d242b... A dir/sub
+:000000 100644 0000000... 01e79c3... A file0
+:000000 100644 0000000... 01e79c3... A file2
+$
diff --git a/t/t4013/diff.whatchanged_-SF_-p_master b/t/t4013/diff.whatchanged_-SF_-p_master
new file mode 100644
index 0000000000..f39da84822
--- /dev/null
+++ b/t/t4013/diff.whatchanged_-SF_-p_master
@@ -0,0 +1,18 @@
+$ git whatchanged -SF -p master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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/t/t4013/diff.whatchanged_-SF_master b/t/t4013/diff.whatchanged_-SF_master
new file mode 100644
index 0000000000..0499321d0e
--- /dev/null
+++ b/t/t4013/diff.whatchanged_-SF_master
@@ -0,0 +1,9 @@
+$ git whatchanged -SF master
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+:100644 100644 8422d40... cead32e... M dir/sub
+$
diff --git a/t/t4013/diff.whatchanged_-p_master b/t/t4013/diff.whatchanged_-p_master
new file mode 100644
index 0000000000..f18d43209c
--- /dev/null
+++ b/t/t4013/diff.whatchanged_-p_master
@@ -0,0 +1,102 @@
+$ git whatchanged -p master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+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
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+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
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+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
+$
diff --git a/t/t4013/diff.whatchanged_master b/t/t4013/diff.whatchanged_master
new file mode 100644
index 0000000000..cd3bcc2c72
--- /dev/null
+++ b/t/t4013/diff.whatchanged_master
@@ -0,0 +1,32 @@
+$ git whatchanged master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+:100644 100644 8422d40... cead32e... M dir/sub
+:000000 100644 0000000... b1e6722... A file1
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+:100644 100644 35d242b... 8422d40... M dir/sub
+:100644 100644 01e79c3... b414108... M file0
+:100644 000000 01e79c3... 0000000... D file2
+$