Function convert_commit_extra_headers

commit.c:1418–1449

}

static int convert_commit_extra_headers(const struct commit_extra_header *orig,
					struct commit_extra_header **result)
{
	const struct git_hash_algo *compat = the_repository->compat_hash_algo;
	const struct git_hash_algo *algo = the_repository->hash_algo;
	struct commit_extra_header *extra = NULL, **tail = &extra;
	struct strbuf out = STRBUF_INIT;
	while (orig) {
		struct commit_extra_header *new;
		CALLOC_ARRAY(new, 1);
		if (!strcmp(orig->key, "mergetag")) {
			if (convert_object_file(the_repository, &out, algo, compat,
						orig->value, orig->len,
						OBJ_TAG, 1)) {
				free(new);
				free_commit_extra_headers(extra);
				return -1;
			}
			new->key = xstrdup("mergetag");
			new->value = strbuf_detach(&out, &new->len);
		} else {
			new->key = xstrdup(orig->key);
			new->len = orig->len;
			new->value = xmemdupz(orig->value, orig->len);
		}
		*tail = new;
		tail = &new->next;
		orig = orig->next;
	}
	*result = extra;
	return 0;
}

static void add_extra_header(struct strbuf *buffer,
			     const struct commit_extra_header *extra)