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

* jc/diff-test-updates:
  t4013: note improvements brought by the new output code.

t/t4013-diff-various.sh

@@ -138,7 +138,10 @@ diff-tree --pretty --summary initial
 diff-tree --pretty --stat --summary initial
 diff-tree --pretty --root -p initial
 diff-tree --pretty --root --stat initial
-#diff-tree --pretty --root --summary initial
+# improved by Timo's patch
+diff-tree --pretty --root --summary initial
+# improved by Timo's patch
+diff-tree --pretty --root --summary -r initial
 diff-tree --pretty --root --stat --summary initial
 diff-tree --pretty --patch-with-stat initial
 diff-tree --pretty --root --patch-with-stat initial
@@ -150,6 +153,7 @@ diff-tree --pretty=oneline --root initial
 diff-tree --pretty=oneline -p initial
 diff-tree --pretty=oneline --root -p initial
 diff-tree --pretty=oneline --patch-with-stat initial
+# improved by Timo's patch
 diff-tree --pretty=oneline --root --patch-with-stat initial
 diff-tree --pretty=oneline --patch-with-raw initial
 diff-tree --pretty=oneline --root --patch-with-raw initial
@@ -172,11 +176,9 @@ diff-tree --cc --stat --summary master
 # stat summary should show the diffstat and summary with the first parent
 diff-tree -c --stat --summary side
 diff-tree --cc --stat --summary side
-# this one gives an extra newline after stat, which should be removed
+# improved by Timo's patch
-# diff-tree --cc --patch-with-stat master
+diff-tree --cc --patch-with-stat master
-# this one gives an extra newline after stat, which should be removed
+# improved by Timo's patch
-# other than that it shows the correct example -- stat and summary are
-# against the first parent, and patch-looking combined diff follows.
 diff-tree --cc --patch-with-stat --summary master
 # this is correct
 diff-tree --cc --patch-with-stat --summary side
@@ -188,7 +190,9 @@ log --root -p master
 log --patch-with-stat master
 log --root --patch-with-stat master
 log --root --patch-with-stat --summary master
+# improved by Timo's patch
 log --root -c --patch-with-stat --summary master
+# improved by Timo's patch
 log --root --cc --patch-with-stat --summary master
 log -SF master
 log -SF -p master
@@ -200,7 +204,9 @@ whatchanged --root -p master
 whatchanged --patch-with-stat master
 whatchanged --root --patch-with-stat master
 whatchanged --root --patch-with-stat --summary master
+# improved by Timo's patch
 whatchanged --root -c --patch-with-stat --summary master
+# improved by Timo's patch
 whatchanged --root --cc --patch-with-stat --summary master
 whatchanged -SF master
 whatchanged -SF -p master

t/t4013/diff.diff-tree_--cc_--patch-with-stat_master

@@ -0,0 +1,34 @@
+$ git diff-tree --cc --patch-with-stat master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+ 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
+$

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
+$

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 040000 dir
+ create mode 100644 file0
+ create mode 100644 file2
+$