1/* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16package pkg 17 18import ( 19 "context" 20) 21 22type NewFunc func() Manager 23 24type Manager interface { 25 // Flash download given package to the device. 26 Flash(device string, pkg string, ctx context.Context) error 27 // LastIssue returns the last issue URL related to the package. 28 LastIssue(pkg string) (string, error) 29 // Steps generates every intermediate package and returns the list sequentially. 30 Steps(from, to string) ([]string, error) 31 // GetNewer blocks the process until a newer package is found, then returns the newest one. 32 GetNewer(cur string) (string, error) 33 // PkgDir returns where pkg exists in the filesystem. 34 PkgDir(pkg string) string 35} 36