Function commit_tree_extended

commit.c:1736–1864

}

int commit_tree_extended(const char *msg, size_t msg_len,
			 const struct object_id *tree,
			 const struct commit_list *parents, struct object_id *ret,
			 const char *author, const char *committer,
			 const char *sign_commit,
			 const struct commit_extra_header *extra)
{
	struct repository *r = the_repository;
	int result = 0;
	int encoding_is_utf8;
	bool warned = false;
	struct strbuf buffer = STRBUF_INIT, compat_buffer = STRBUF_INIT;
	struct strbuf sig = STRBUF_INIT, compat_sig = STRBUF_INIT;
	struct object_id *parent_buf = NULL, *compat_oid = NULL;
	struct object_id compat_oid_buf;
	size_t i, nparents;

	/* Not having i18n.commitencoding is the same as having utf-8 */
	encoding_is_utf8 = is_encoding_utf8(git_commit_encoding);

	odb_assert_oid_type(the_repository->objects, tree, OBJ_TREE);

	if (memchr(msg, '\0', msg_len))
		return error("a NUL byte in commit log message not allowed.");

	nparents = commit_list_count(parents);
	CALLOC_ARRAY(parent_buf, nparents);
	i = 0;
	for (const struct commit_list *p = parents; p; p = p->next)
		oidcpy(&parent_buf[i++], &p->item->object.oid);

	write_commit_tree(&buffer, msg, msg_len, tree, parent_buf, nparents, author, committer, extra);

	/* And check the encoding. */
	if (encoding_is_utf8 && !ensure_utf8(&buffer)) {
		fprintf(stderr, _(commit_utf8_warn));
		warned = true;
	}

	if (sign_commit && sign_buffer(&buffer, &sig, sign_commit,
				       SIGN_BUFFER_USE_DEFAULT_KEY)) {
		result = -1;
		goto out;
	}
	if (r->compat_hash_algo) {
		struct commit_extra_header *compat_extra = NULL;
		struct object_id mapped_tree;
		struct object_id *mapped_parents;

		CALLOC_ARRAY(mapped_parents, nparents);

		if (repo_oid_to_algop(r, tree, r->compat_hash_algo, &mapped_tree)) {
			result = -1;
			free(mapped_parents);
			goto out;
		}
		for (i = 0; i < nparents; i++)
			if (repo_oid_to_algop(r, &parent_buf[i], r->compat_hash_algo, &mapped_parents[i])) {