static int merge_trivial(const char *ours, const char *theirs, bool automerge)
{
git_buf branch_buf = GIT_BUF_INIT;
git_checkout_opts checkout_opts = GIT_CHECKOUT_OPTS_INIT;
git_reference *our_ref, *their_ref;
git_merge_head *their_heads[1];
git_merge_opts opts = GIT_MERGE_OPTS_INIT;
git_merge_result *result;
checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
opts.merge_tree_opts.automerge_flags |= automerge ? 0 : GIT_MERGE_AUTOMERGE_NONE;
git_buf_printf(&branch_buf, "%s%s", GIT_REFS_HEADS_DIR, ours);
cl_git_pass(git_reference_symbolic_create(&our_ref, repo, "HEAD", branch_buf.ptr, 1));
cl_git_pass(git_checkout_head(repo, &checkout_opts));
git_buf_clear(&branch_buf);
git_buf_printf(&branch_buf, "%s%s", GIT_REFS_HEADS_DIR, theirs);
cl_git_pass(git_reference_lookup(&their_ref, repo, branch_buf.ptr));
cl_git_pass(git_merge_head_from_ref(&their_heads[0], repo, their_ref));
cl_git_pass(git_merge(&result, repo, (const git_merge_head **)their_heads, 1, &opts));
git_buf_free(&branch_buf);
git_reference_free(our_ref);
git_reference_free(their_ref);
git_merge_head_free(their_heads[0]);
git_merge_result_free(result);
return 0;
}
void test_merge_workdir_submodules__take_changed(void)
{
git_reference *our_ref, *their_ref;
git_commit *our_commit;
git_merge_head *their_head;
git_index *index;
struct merge_index_entry merge_index_entries[] = {
{ 0100644, "caff6b7d44973f53e3e0cf31d0d695188b19aec6", 0, ".gitmodules" },
{ 0100644, "b438ff23300b2e0f80b84a6f30140dfa91e71423", 0, "file1.txt" },
{ 0100644, "f27fbafdfa6693f8f7a5128506fe3e338dbfcad2", 0, "file2.txt" },
{ 0160000, "297aa6cd028b3336c7802c7a6f49143da4e1602d", 0, "submodule" },
};
cl_git_pass(git_reference_lookup(&our_ref, repo, "refs/heads/" SUBMODULE_MAIN_BRANCH));
cl_git_pass(git_commit_lookup(&our_commit, repo, git_reference_target(our_ref)));
cl_git_pass(git_reset(repo, (git_object *)our_commit, GIT_RESET_HARD, NULL, NULL));
cl_git_pass(git_reference_lookup(&their_ref, repo, "refs/heads/" SUBMODULE_OTHER2_BRANCH));
cl_git_pass(git_merge_head_from_ref(&their_head, repo, their_ref));
cl_git_pass(git_merge(repo, (const git_merge_head **)&their_head, 1, NULL, NULL));
cl_git_pass(git_repository_index(&index, repo));
cl_assert(merge_test_index(index, merge_index_entries, 4));
git_index_free(index);
git_merge_head_free(their_head);
git_commit_free(our_commit);
git_reference_free(their_ref);
git_reference_free(our_ref);
}
void test_merge_workdir_submodules__automerge(void)
{
git_reference *our_ref, *their_ref;
git_commit *our_commit;
git_merge_head *their_head;
git_index *index;
struct merge_index_entry merge_index_entries[] = {
{ 0100644, "caff6b7d44973f53e3e0cf31d0d695188b19aec6", 0, ".gitmodules" },
{ 0100644, "950a663a6a7b2609eed1ed1ba9f41eb1a3192a9f", 0, "file1.txt" },
{ 0100644, "343e660b9cb4bee5f407c2e33fcb9df24d9407a4", 0, "file2.txt" },
{ 0160000, "d3d806a4bef96889117fd7ebac0e3cb5ec152932", 1, "submodule" },
{ 0160000, "297aa6cd028b3336c7802c7a6f49143da4e1602d", 2, "submodule" },
{ 0160000, "ae39c77c70cb6bad18bb471912460c4e1ba0f586", 3, "submodule" },
};
cl_git_pass(git_reference_lookup(&our_ref, repo, "refs/heads/" SUBMODULE_MAIN_BRANCH));
cl_git_pass(git_commit_lookup(&our_commit, repo, git_reference_target(our_ref)));
cl_git_pass(git_reset(repo, (git_object *)our_commit, GIT_RESET_HARD, NULL, NULL));
cl_git_pass(git_reference_lookup(&their_ref, repo, "refs/heads/" SUBMODULE_OTHER_BRANCH));
cl_git_pass(git_merge_head_from_ref(&their_head, repo, their_ref));
cl_git_pass(git_merge(repo, (const git_merge_head **)&their_head, 1, NULL, NULL));
cl_git_pass(git_repository_index(&index, repo));
cl_assert(merge_test_index(index, merge_index_entries, 6));
git_index_free(index);
git_merge_head_free(their_head);
git_commit_free(our_commit);
git_reference_free(their_ref);
git_reference_free(our_ref);
}
void test_merge_workdir_fastforward__uptodate(void)
{
git_reference *their_ref;
git_merge_head *their_heads[1];
git_merge_result *result;
cl_git_pass(git_reference_lookup(&their_ref, repo, GIT_HEAD_FILE));
cl_git_pass(git_merge_head_from_ref(&their_heads[0], repo, their_ref));
cl_git_pass(git_merge(&result, repo, (const git_merge_head **)their_heads, 1, NULL));
cl_assert(git_merge_result_is_uptodate(result));
git_merge_head_free(their_heads[0]);
git_reference_free(their_ref);
git_merge_result_free(result);
}
void test_merge_workdir_fastforward__fastforward_only(void)
{
git_merge_result *result;
git_merge_opts opts = GIT_MERGE_OPTS_INIT;
git_reference *their_ref;
git_merge_head *their_head;
int error;
opts.merge_flags = GIT_MERGE_FASTFORWARD_ONLY;
cl_git_pass(git_reference_lookup(&their_ref, repo, GIT_REFS_HEADS_DIR THEIRS_NOFASTFORWARD_BRANCH));
cl_git_pass(git_merge_head_from_ref(&their_head, repo, their_ref));
cl_git_fail((error = git_merge(&result, repo, (const git_merge_head **)&their_head, 1, &opts)));
cl_assert(error == GIT_ENONFASTFORWARD);
git_merge_head_free(their_head);
git_reference_free(their_ref);
}
static git_merge_result *merge_fastforward_branch(int flags)
{
git_reference *their_ref;
git_merge_head *their_heads[1];
git_merge_result *result;
git_merge_opts opts = GIT_MERGE_OPTS_INIT;
opts.merge_flags = flags;
cl_git_pass(git_reference_lookup(&their_ref, repo, GIT_REFS_HEADS_DIR THEIRS_FASTFORWARD_BRANCH));
cl_git_pass(git_merge_head_from_ref(&their_heads[0], repo, their_ref));
cl_git_pass(git_merge(&result, repo, (const git_merge_head **)their_heads, 1, &opts));
git_merge_head_free(their_heads[0]);
git_reference_free(their_ref);
return result;
}
int merge_branches(git_merge_result **result, git_repository *repo, const char *ours_branch, const char *theirs_branch, git_merge_opts *opts)
{
git_reference *head_ref, *theirs_ref;
git_merge_head *theirs_head;
git_checkout_opts head_checkout_opts = GIT_CHECKOUT_OPTS_INIT;
head_checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
cl_git_pass(git_reference_symbolic_create(&head_ref, repo, "HEAD", ours_branch, 1));
cl_git_pass(git_checkout_head(repo, &head_checkout_opts));
cl_git_pass(git_reference_lookup(&theirs_ref, repo, theirs_branch));
cl_git_pass(git_merge_head_from_ref(&theirs_head, repo, theirs_ref));
cl_git_pass(git_merge(result, repo, (const git_merge_head **)&theirs_head, 1, opts));
git_reference_free(head_ref);
git_reference_free(theirs_ref);
git_merge_head_free(theirs_head);
return 0;
}
