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authorVincent Ambo <Vincent Ambo>2020-01-11T23·36+0000
committerVincent Ambo <Vincent Ambo>2020-01-11T23·36+0000
commit1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5 (patch)
treee3accb9beed5c4c1b5a05c99db71ab2841f0ed04 /t/t3502-cherry-pick-merge.sh
Squashed 'third_party/git/' content from commit cb71568594
git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
Diffstat (limited to 't/t3502-cherry-pick-merge.sh')
-rwxr-xr-xt/t3502-cherry-pick-merge.sh132
1 files changed, 132 insertions, 0 deletions
diff --git a/t/t3502-cherry-pick-merge.sh b/t/t3502-cherry-pick-merge.sh
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+#!/bin/sh
+
+test_description='cherry picking and reverting a merge
+
+		b---c
+	       /   /
+	initial---a
+
+'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	>A &&
+	>B &&
+	git add A B &&
+	git commit -m "Initial" &&
+	git tag initial &&
+	git branch side &&
+	echo new line >A &&
+	git commit -m "add line to A" A &&
+	git tag a &&
+	git checkout side &&
+	echo new line >B &&
+	git commit -m "add line to B" B &&
+	git tag b &&
+	git checkout master &&
+	git merge side &&
+	git tag c
+
+'
+
+test_expect_success 'cherry-pick -m complains of bogus numbers' '
+	# expect 129 here to distinguish between cases where
+	# there was nothing to cherry-pick
+	test_expect_code 129 git cherry-pick -m &&
+	test_expect_code 129 git cherry-pick -m foo b &&
+	test_expect_code 129 git cherry-pick -m -1 b &&
+	test_expect_code 129 git cherry-pick -m 0 b
+'
+
+test_expect_success 'cherry-pick explicit first parent of a non-merge' '
+
+	git reset --hard &&
+	git checkout a^0 &&
+	git cherry-pick -m 1 b &&
+	git diff --exit-code c --
+
+'
+
+test_expect_success 'cherry pick a merge without -m should fail' '
+
+	git reset --hard &&
+	git checkout a^0 &&
+	test_must_fail git cherry-pick c &&
+	git diff --exit-code a --
+
+'
+
+test_expect_success 'cherry pick a merge (1)' '
+
+	git reset --hard &&
+	git checkout a^0 &&
+	git cherry-pick -m 1 c &&
+	git diff --exit-code c
+
+'
+
+test_expect_success 'cherry pick a merge (2)' '
+
+	git reset --hard &&
+	git checkout b^0 &&
+	git cherry-pick -m 2 c &&
+	git diff --exit-code c
+
+'
+
+test_expect_success 'cherry pick a merge relative to nonexistent parent should fail' '
+
+	git reset --hard &&
+	git checkout b^0 &&
+	test_must_fail git cherry-pick -m 3 c
+
+'
+
+test_expect_success 'revert explicit first parent of a non-merge' '
+
+	git reset --hard &&
+	git checkout c^0 &&
+	git revert -m 1 b &&
+	git diff --exit-code a --
+
+'
+
+test_expect_success 'revert a merge without -m should fail' '
+
+	git reset --hard &&
+	git checkout c^0 &&
+	test_must_fail git revert c &&
+	git diff --exit-code c
+
+'
+
+test_expect_success 'revert a merge (1)' '
+
+	git reset --hard &&
+	git checkout c^0 &&
+	git revert -m 1 c &&
+	git diff --exit-code a --
+
+'
+
+test_expect_success 'revert a merge (2)' '
+
+	git reset --hard &&
+	git checkout c^0 &&
+	git revert -m 2 c &&
+	git diff --exit-code b --
+
+'
+
+test_expect_success 'revert a merge relative to nonexistent parent should fail' '
+
+	git reset --hard &&
+	git checkout c^0 &&
+	test_must_fail git revert -m 3 c &&
+	git diff --exit-code c
+
+'
+
+test_done