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git/t/t3503-cherry-pick-root.sh
Ævar Arnfjörð Bjarmason 9ff2f06069 sequencer API users: fix get_replay_opts() leaks
Make the replay_opts_release() function added in the preceding commit
non-static, and use it for freeing the "struct replay_opts"
constructed for "rebase" and "revert".

To safely call our new replay_opts_release() we'll need to stop
calling it in sequencer_remove_state(), and instead call it where we
allocate the "struct replay_opts" itself.

This is because in e.g. do_interactive_rebase() we construct a "struct
replay_opts" with "get_replay_opts()", and then call
"complete_action()". If we get far enough in that function without
encountering errors we'll call "pick_commits()" which (indirectly)
calls sequencer_remove_state() at the end.

But if we encounter errors anywhere along the way we'd punt out early,
and not free() the memory we allocated. Remembering whether we
previously called sequencer_remove_state() would be a hassle.

Using a FREE_AND_NULL() pattern would also work, as it would be safe
to call replay_opts_release() repeatedly. But let's fix this properly
instead, by having the owner of the data free() it.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-02-06 16:03:52 -08:00

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#!/bin/sh
test_description='test cherry-picking (and reverting) a root commit'
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 '
echo first > file1 &&
git add file1 &&
test_tick &&
git commit -m "first" &&
git symbolic-ref HEAD refs/heads/second &&
rm .git/index file1 &&
echo second > file2 &&
git add file2 &&
test_tick &&
git commit -m "second" &&
git symbolic-ref HEAD refs/heads/third &&
rm .git/index file2 &&
echo third > file3 &&
git add file3 &&
test_tick &&
git commit -m "third"
'
test_expect_success 'cherry-pick a root commit' '
git checkout second^0 &&
git cherry-pick main &&
echo first >expect &&
test_cmp expect file1
'
test_expect_success 'revert a root commit' '
git revert main &&
test_path_is_missing file1
'
test_expect_success 'cherry-pick a root commit with an external strategy' '
git cherry-pick --strategy=resolve main &&
echo first >expect &&
test_cmp expect file1
'
test_expect_success 'revert a root commit with an external strategy' '
git revert --strategy=resolve main &&
test_path_is_missing file1
'
test_expect_success 'cherry-pick two root commits' '
echo first >expect.file1 &&
echo second >expect.file2 &&
echo third >expect.file3 &&
git checkout second^0 &&
git cherry-pick main third &&
test_cmp expect.file1 file1 &&
test_cmp expect.file2 file2 &&
test_cmp expect.file3 file3 &&
git rev-parse --verify HEAD^^ &&
test_must_fail git rev-parse --verify HEAD^^^
'
test_done