revert: add tests to check cherry-picking many commits

Note that there is an expected failure when running:

	git cherry-pick -3 fourth

that's because:

	git rev-list --no-walk -3 fourth

produce only one commit and not 3 as "--no-walk" seems to
take over "-3".

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t3508-cherry-pick-many-commits.sh b/t/t3508-cherry-pick-many-commits.sh
new file mode 100755 (executable)
index 0000000..3b87efe
--- /dev/null
+++ b/t/t3508-cherry-pick-many-commits.sh
@@ -0,0 +1,95 @@
+#!/bin/sh
+
+test_description='test cherry-picking many commits'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+       echo first > file1 &&
+       git add file1 &&
+       test_tick &&
+       git commit -m "first" &&
+       git tag first &&
+
+       git checkout -b other &&
+       for val in second third fourth
+       do
+               echo $val >> file1 &&
+               git add file1 &&
+               test_tick &&
+               git commit -m "$val" &&
+               git tag $val
+       done
+'
+
+test_expect_success 'cherry-pick first..fourth works' '
+       git checkout master &&
+       git reset --hard first &&
+       test_tick &&
+       git cherry-pick first..fourth &&
+       git diff --quiet other &&
+       git diff --quiet HEAD other &&
+       test "$(git rev-parse --verify HEAD)" != "$(git rev-parse --verify fourth)"
+'
+
+test_expect_success 'cherry-pick --ff first..fourth works' '
+       git checkout master &&
+       git reset --hard first &&
+       test_tick &&
+       git cherry-pick --ff first..fourth &&
+       git diff --quiet other &&
+       git diff --quiet HEAD other &&
+       test "$(git rev-parse --verify HEAD)" = "$(git rev-parse --verify fourth)"
+'
+
+test_expect_success 'cherry-pick -n first..fourth works' '
+       git checkout master &&
+       git reset --hard first &&
+       test_tick &&
+       git cherry-pick -n first..fourth &&
+       git diff --quiet other &&
+       git diff --cached --quiet other &&
+       git diff --quiet HEAD first
+'
+
+test_expect_success 'revert first..fourth works' '
+       git checkout master &&
+       git reset --hard fourth &&
+       test_tick &&
+       git revert first..fourth &&
+       git diff --quiet first &&
+       git diff --cached --quiet first &&
+       git diff --quiet HEAD first
+'
+
+test_expect_success 'revert ^first fourth works' '
+       git checkout master &&
+       git reset --hard fourth &&
+       test_tick &&
+       git revert ^first fourth &&
+       git diff --quiet first &&
+       git diff --cached --quiet first &&
+       git diff --quiet HEAD first
+'
+
+test_expect_success 'revert fourth fourth~1 fourth~2 works' '
+       git checkout master &&
+       git reset --hard fourth &&
+       test_tick &&
+       git revert fourth fourth~1 fourth~2 &&
+       git diff --quiet first &&
+       git diff --cached --quiet first &&
+       git diff --quiet HEAD first
+'
+
+test_expect_failure 'cherry-pick -3 fourth works' '
+       git checkout master &&
+       git reset --hard first &&
+       test_tick &&
+       git cherry-pick -3 fourth &&
+       git diff --quiet other &&
+       git diff --quiet HEAD other &&
+       test "$(git rev-parse --verify HEAD)" != "$(git rev-parse --verify fourth)"
+'
+
+test_done