git-commit-vandalism/t/t3423-rebase-reword.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='git rebase interactive with rewording'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-rebase.sh
test_expect_success 'setup' '
test_commit main file-1 test &&
git checkout -b stuff &&
test_commit feature_a file-2 aaa &&
test_commit feature_b file-2 ddd
'
test_expect_success 'reword without issues functions as intended' '
test_when_finished "reset_rebase" &&
git checkout stuff^0 &&
set_fake_editor &&
FAKE_LINES="pick 1 reword 2" FAKE_COMMIT_MESSAGE="feature_b_reworded" \
git rebase -i -v main &&
test "$(git log -1 --format=%B)" = "feature_b_reworded" &&
test $(git rev-list --count HEAD) = 3
'
test_expect_success 'reword after a conflict preserves commit' '
test_when_finished "reset_rebase" &&
git checkout stuff^0 &&
set_fake_editor &&
test_must_fail env FAKE_LINES="reword 2" \
git rebase -i -v main &&
git checkout --theirs file-2 &&
git add file-2 &&
FAKE_COMMIT_MESSAGE="feature_b_reworded" git rebase --continue &&
test "$(git log -1 --format=%B)" = "feature_b_reworded" &&
test $(git rev-list --count HEAD) = 2
'
test_done