platform_build_soong/cmd/soong_build/queryview.go

64 lines
1.9 KiB
Go

// Copyright 2020 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"android/soong/android"
"android/soong/bp2build"
"io/ioutil"
"os"
"path/filepath"
)
func createBazelQueryView(ctx *bp2build.CodegenContext, bazelQueryViewDir string) error {
ruleShims := bp2build.CreateRuleShims(android.ModuleTypeFactories())
// Ignore metrics reporting for queryview, since queryview is already a full-repo
// conversion and can use data from bazel query directly.
buildToTargets, _ := bp2build.GenerateBazelTargets(ctx)
filesToWrite := bp2build.CreateBazelFiles(ruleShims, buildToTargets, bp2build.QueryView)
for _, f := range filesToWrite {
if err := writeReadOnlyFile(bazelQueryViewDir, f); err != nil {
return err
}
}
return nil
}
// The auto-conversion directory should be read-only, sufficient for bazel query. The files
// are not intended to be edited by end users.
func writeReadOnlyFile(dir string, f bp2build.BazelFile) error {
dir = filepath.Join(dir, f.Dir)
if err := createDirectoryIfNonexistent(dir); err != nil {
return err
}
pathToFile := filepath.Join(dir, f.Basename)
// 0444 is read-only
err := ioutil.WriteFile(pathToFile, []byte(f.Contents), 0444)
return err
}
func createDirectoryIfNonexistent(dir string) error {
if _, err := os.Stat(dir); os.IsNotExist(err) {
return os.MkdirAll(dir, os.ModePerm)
} else {
return err
}
}