[PATCH] cherry-pick: add failing test for out-of-order pick

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Due to the way traditional revision arguments work, the following
invocations of 'git cherry-pick' are equivalent:

  $ git cherry-pick master..topic
  $ git cherry-pick topic ^master
  $ git cherry-pick ^master topic

So the order of the arguments specified on the command-line is
irrelevant in these cases.  However, there are cases where it is worth
paying attention to the order.  For instance:

  $ git cherry-pick commit3 commit1 commit2

picks commits after sorting by date order, which is counter-intuitive.
Add a failing test to t3508 (cherry-pick-many-commits) documenting
this behavior.

Reported-by: SZEDER Gábor <szeder@xxxxxxxxxx>
Signed-off-by: Ramkumar Ramachandra <artagnon@xxxxxxxxx>
---
 Irrespective of how far we get with the '--literal-order' idea, I
 think this quirk is worth documenting.

 t/t3508-cherry-pick-many-commits.sh |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/t/t3508-cherry-pick-many-commits.sh b/t/t3508-cherry-pick-many-commits.sh
index 8e09fd0..dd65835 100755
--- a/t/t3508-cherry-pick-many-commits.sh
+++ b/t/t3508-cherry-pick-many-commits.sh
@@ -59,6 +59,31 @@ test_expect_success 'cherry-pick first..fourth works' '
 	check_head_differs_from fourth
 '
 
+test_expect_failure 'cherry-pick picks commits in the right order' '
+	cat <<-\EOF >expected &&
+	[master OBJID] fourth
+	 Author: A U Thor <author@xxxxxxxxxxx>
+	 1 files changed, 1 insertions(+), 0 deletions(-)
+	[master OBJID] second
+	 Author: A U Thor <author@xxxxxxxxxxx>
+	 1 files changed, 1 insertions(+), 0 deletions(-)
+	[master OBJID] third
+	 Author: A U Thor <author@xxxxxxxxxxx>
+	 1 files changed, 1 insertions(+), 0 deletions(-)
+	EOF
+
+	git checkout -f master &&
+	git reset --hard first &&
+	test_tick &&
+	git cherry-pick fourth second third >actual &&
+	git diff --quiet other &&
+	git diff --quiet HEAD other &&
+
+	sed -e "s/$_x05[0-9a-f][0-9a-f]/OBJID/" <actual >actual.fuzzy &&
+	test_cmp expected actual.fuzzy &&
+	check_head_differs_from second
+'
+
 test_expect_success 'cherry-pick --strategy resolve first..fourth works' '
 	cat <<-\EOF >expected &&
 	Trying simple merge.
-- 
1.7.8.2

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