1// Copyright 2020 Google Inc. All rights reserved. 2// 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 15package main 16 17import ( 18 "io/ioutil" 19 "os" 20 "path/filepath" 21 22 "android/soong/android" 23 "android/soong/bp2build" 24) 25 26func createBazelQueryView(ctx *bp2build.CodegenContext, bazelQueryViewDir string) error { 27 os.RemoveAll(bazelQueryViewDir) 28 ruleShims := bp2build.CreateRuleShims(android.ModuleTypeFactories()) 29 30 res, err := bp2build.GenerateBazelTargets(ctx, true) 31 if err != nil { 32 panic(err) 33 } 34 35 filesToWrite := bp2build.CreateBazelFiles(ruleShims, res.BuildDirToTargets(), bp2build.QueryView) 36 for _, f := range filesToWrite { 37 if err := writeReadOnlyFile(bazelQueryViewDir, f); err != nil { 38 return err 39 } 40 } 41 42 return nil 43} 44 45// The auto-conversion directory should be read-only, sufficient for bazel query. The files 46// are not intended to be edited by end users. 47func writeReadOnlyFile(dir string, f bp2build.BazelFile) error { 48 dir = filepath.Join(dir, f.Dir) 49 if err := createDirectoryIfNonexistent(dir); err != nil { 50 return err 51 } 52 pathToFile := filepath.Join(dir, f.Basename) 53 54 // 0444 is read-only 55 err := ioutil.WriteFile(pathToFile, []byte(f.Contents), 0444) 56 57 return err 58} 59 60func createDirectoryIfNonexistent(dir string) error { 61 if _, err := os.Stat(dir); os.IsNotExist(err) { 62 return os.MkdirAll(dir, os.ModePerm) 63 } else { 64 return err 65 } 66} 67