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path: root/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