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- /*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * 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 provenance
- import (
- "android/soong/android"
- "github.com/google/blueprint"
- )
- var (
- pctx = android.NewPackageContext("android/soong/provenance")
- rule = pctx.HostBinToolVariable("gen_provenance_metadata", "gen_provenance_metadata")
- genProvenanceMetaData = pctx.AndroidStaticRule("genProvenanceMetaData",
- blueprint.RuleParams{
- Command: `rm -rf "$out" && ` +
- `${gen_provenance_metadata} --module_name=${module_name} ` +
- `--artifact_path=$in --install_path=${install_path} --metadata_path=$out`,
- CommandDeps: []string{"${gen_provenance_metadata}"},
- }, "module_name", "install_path")
- mergeProvenanceMetaData = pctx.AndroidStaticRule("mergeProvenanceMetaData",
- blueprint.RuleParams{
- Command: `rm -rf $out && ` +
- `echo "# proto-file: build/soong/provenance/proto/provenance_metadata.proto" > $out && ` +
- `echo "# proto-message: ProvenanceMetaDataList" >> $out && ` +
- `for file in $in; do echo '' >> $out; echo 'metadata {' | cat - $$file | grep -Ev "^#.*|^$$" >> $out; echo '}' >> $out; done`,
- })
- )
- type ProvenanceMetadata interface {
- ProvenanceMetaDataFile() android.OutputPath
- }
- func init() {
- RegisterProvenanceSingleton(android.InitRegistrationContext)
- }
- func RegisterProvenanceSingleton(ctx android.RegistrationContext) {
- ctx.RegisterParallelSingletonType("provenance_metadata_singleton", provenanceInfoSingletonFactory)
- }
- var PrepareForTestWithProvenanceSingleton = android.FixtureRegisterWithContext(RegisterProvenanceSingleton)
- func provenanceInfoSingletonFactory() android.Singleton {
- return &provenanceInfoSingleton{}
- }
- type provenanceInfoSingleton struct {
- mergedMetaDataFile android.OutputPath
- }
- func (p *provenanceInfoSingleton) GenerateBuildActions(context android.SingletonContext) {
- allMetaDataFiles := make([]android.Path, 0)
- context.VisitAllModulesIf(moduleFilter, func(module android.Module) {
- if p, ok := module.(ProvenanceMetadata); ok {
- allMetaDataFiles = append(allMetaDataFiles, p.ProvenanceMetaDataFile())
- }
- })
- p.mergedMetaDataFile = android.PathForOutput(context, "provenance_metadata.textproto")
- context.Build(pctx, android.BuildParams{
- Rule: mergeProvenanceMetaData,
- Description: "merge provenance metadata",
- Inputs: allMetaDataFiles,
- Output: p.mergedMetaDataFile,
- })
- context.Build(pctx, android.BuildParams{
- Rule: blueprint.Phony,
- Description: "phony rule of merge provenance metadata",
- Inputs: []android.Path{p.mergedMetaDataFile},
- Output: android.PathForPhony(context, "provenance_metadata"),
- })
- context.Phony("droidcore", android.PathForPhony(context, "provenance_metadata"))
- }
- func moduleFilter(module android.Module) bool {
- if !module.Enabled() || module.IsSkipInstall() {
- return false
- }
- if p, ok := module.(ProvenanceMetadata); ok {
- return p.ProvenanceMetaDataFile().String() != ""
- }
- return false
- }
- func GenerateArtifactProvenanceMetaData(ctx android.ModuleContext, artifactPath android.Path, installedFile android.InstallPath) android.OutputPath {
- onDevicePathOfInstalledFile := android.InstallPathToOnDevicePath(ctx, installedFile)
- artifactMetaDataFile := android.PathForIntermediates(ctx, "provenance_metadata", ctx.ModuleDir(), ctx.ModuleName(), "provenance_metadata.textproto")
- ctx.Build(pctx, android.BuildParams{
- Rule: genProvenanceMetaData,
- Description: "generate artifact provenance metadata",
- Inputs: []android.Path{artifactPath},
- Output: artifactMetaDataFile,
- Args: map[string]string{
- "module_name": ctx.ModuleName(),
- "install_path": onDevicePathOfInstalledFile,
- }})
- return artifactMetaDataFile
- }
- func (p *provenanceInfoSingleton) MakeVars(ctx android.MakeVarsContext) {
- ctx.DistForGoal("droidcore", p.mergedMetaDataFile)
- }
- var _ android.SingletonMakeVarsProvider = (*provenanceInfoSingleton)(nil)
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