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63 lines
1.7 KiB
63 lines
1.7 KiB
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package client implements the hacksaw cli client
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package client
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import (
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"io/ioutil"
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"os"
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"path"
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"reflect"
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"android.googlesource.com/platform/tools/treble.git/hacksaw/bind"
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"android.googlesource.com/platform/tools/treble.git/hacksaw/config"
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)
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func ensureConfigFileExists(cfgPath string) error {
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_, err := os.Stat(cfgPath)
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if os.IsNotExist(err) {
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//continue to init config file
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} else {
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return err
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}
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//init config file
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if err = os.MkdirAll(path.Dir(cfgPath), os.ModePerm); err != nil {
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return err
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}
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return ioutil.WriteFile(cfgPath, []byte("{}"), os.ModePerm)
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}
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func HandleCommand(workspaceTopDir string, pathBinder bind.PathBinder, args []string) error {
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cfgPath := path.Join(workspaceTopDir, "config.json")
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if err := ensureConfigFileExists(cfgPath); err != nil {
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return err
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}
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cfg := config.GetConfig()
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if err := cfg.ReadConfigFromFile(cfgPath); err != nil {
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return err
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}
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//Save a copy of the config to detect changes
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savedCfg := cfg.Copy()
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cmd := NewCommand(pathBinder, workspaceTopDir)
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if err := cmd.Handle(args); err != nil {
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return err
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}
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if reflect.DeepEqual(savedCfg, cfg) {
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return nil
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}
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return cfg.WriteConfigToFile(cfgPath)
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}
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