Function lookup_commit_in_graph

commit-graph.c:1023–1051

}

struct commit *lookup_commit_in_graph(struct repository *repo, const struct object_id *id)
{
	static int commit_graph_paranoia = -1;
	struct commit_graph *g;
	struct commit *commit;
	uint32_t pos;

	if (commit_graph_paranoia == -1)
		commit_graph_paranoia = git_env_bool(GIT_COMMIT_GRAPH_PARANOIA, 0);

	g = prepare_commit_graph(repo);
	if (!g)
		return NULL;
	if (!search_commit_pos_in_graph(id, g, &pos))
		return NULL;
	if (commit_graph_paranoia && !odb_has_object(repo->objects, id, 0))
		return NULL;

	commit = lookup_commit(repo, id);
	if (!commit)
		return NULL;
	if (commit->object.parsed)
		return commit;

	if (!fill_commit_in_graph(commit, g, pos))
		return NULL;

	return commit;
}

static int parse_commit_in_graph_one(struct commit_graph *g,
				     struct commit *item)