Function unbundle_from_file

bundle-uri.c:402–463

}

static int unbundle_from_file(struct repository *r, const char *file)
{
	int result = 0;
	int bundle_fd;
	struct bundle_header header = BUNDLE_HEADER_INIT;
	struct string_list_item *refname;
	struct strbuf bundle_ref = STRBUF_INIT;
	size_t bundle_prefix_len;
	struct unbundle_opts opts = {
		.flags = VERIFY_BUNDLE_QUIET |
			 (fetch_pack_fsck_objects() ? VERIFY_BUNDLE_FSCK : 0),
	};

	bundle_fd = read_bundle_header(file, &header);
	if (bundle_fd < 0) {
		result = 1;
		goto cleanup;
	}

	/*
	 * Skip the reachability walk here, since we will be adding
	 * a reachable ref pointing to the new tips, which will reach
	 * the prerequisite commits.
	 */
	result = unbundle(r, &header, bundle_fd, NULL, &opts);
	if (result) {
		result = 1;
		goto cleanup;
	}

	/*
	 * Convert all refs/heads/ from the bundle into refs/bundles/
	 * in the local repository.
	 */
	strbuf_addstr(&bundle_ref, "refs/bundles/");
	bundle_prefix_len = bundle_ref.len;

	for_each_string_list_item(refname, &header.references) {
		struct object_id *oid = refname->util;
		struct object_id old_oid;
		const char *branch_name;
		int has_old;

		if (!skip_prefix(refname->string, "refs/", &branch_name))
			continue;

		strbuf_setlen(&bundle_ref, bundle_prefix_len);
		strbuf_addstr(&bundle_ref, branch_name);

		has_old = !refs_read_ref(get_main_ref_store(the_repository),
					 bundle_ref.buf, &old_oid);
		refs_update_ref(get_main_ref_store(the_repository),
				"fetched bundle", bundle_ref.buf, oid,
				has_old ? &old_oid : NULL,
				0, UPDATE_REFS_MSG_ON_ERR);
	}

cleanup: