6d51e731a6
They are still read when using bazel with queryview, so they need to be in the workspace so that they can be found. Bug: 234449134 Test: m queryview && ./build/bazel/bin/bazel query --config=queryview //... Change-Id: I1f2187dffd5a0e6cfb44ebe0c6738fa9bbef509d
101 lines
2.8 KiB
Go
101 lines
2.8 KiB
Go
// Copyright 2020 Google Inc. All rights reserved.
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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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// http://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 main
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import (
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"io/fs"
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"io/ioutil"
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"os"
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"path/filepath"
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"android/soong/android"
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"android/soong/bp2build"
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)
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// A helper function to generate a Read-only Bazel workspace in outDir
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func createBazelWorkspace(ctx *bp2build.CodegenContext, outDir string) error {
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os.RemoveAll(outDir)
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ruleShims := bp2build.CreateRuleShims(android.ModuleTypeFactories())
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res, err := bp2build.GenerateBazelTargets(ctx, true)
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if err != nil {
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panic(err)
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}
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filesToWrite := bp2build.CreateBazelFiles(ctx.Config(), ruleShims, res.BuildDirToTargets(),
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ctx.Mode())
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bazelRcFiles, err2 := CopyBazelRcFiles()
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if err2 != nil {
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return err2
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}
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filesToWrite = append(filesToWrite, bazelRcFiles...)
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for _, f := range filesToWrite {
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if err := writeReadOnlyFile(outDir, f); err != nil {
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return err
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}
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}
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return nil
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}
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// CopyBazelRcFiles creates BazelFiles for all the bazelrc files under
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// build/bazel. They're needed because the rc files are still read when running
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// queryview, so they have to be in the queryview workspace.
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func CopyBazelRcFiles() ([]bp2build.BazelFile, error) {
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result := make([]bp2build.BazelFile, 0)
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err := filepath.WalkDir(filepath.Join(topDir, "build/bazel"), func(path string, info fs.DirEntry, err error) error {
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if filepath.Ext(path) == ".bazelrc" {
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contents, err := os.ReadFile(path)
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if err != nil {
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return err
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}
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path, err = filepath.Rel(topDir, path)
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if err != nil {
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return err
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}
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result = append(result, bp2build.BazelFile{
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Dir: filepath.Dir(path),
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Basename: filepath.Base(path),
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Contents: string(contents),
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})
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}
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return nil
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})
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return result, err
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}
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// The auto-conversion directory should be read-only, sufficient for bazel query. The files
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// are not intended to be edited by end users.
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func writeReadOnlyFile(dir string, f bp2build.BazelFile) error {
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dir = filepath.Join(dir, f.Dir)
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if err := createDirectoryIfNonexistent(dir); err != nil {
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return err
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}
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pathToFile := filepath.Join(dir, f.Basename)
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// 0444 is read-only
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err := ioutil.WriteFile(pathToFile, []byte(f.Contents), 0444)
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return err
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}
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func createDirectoryIfNonexistent(dir string) error {
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if _, err := os.Stat(dir); os.IsNotExist(err) {
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return os.MkdirAll(dir, os.ModePerm)
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} else {
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return err
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}
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}
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