git/t/t3502-cherry-pick-merge.sh

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#!/bin/sh
test_description='cherry picking and reverting a merge
b---c
/ /
initial---a
'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./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 main &&
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