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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 $out.temp && ` +
`echo -e "# proto-file: build/soong/provenance/proto/provenance_metadata.proto\n# proto-message: ProvenanceMetaDataList" > $out && ` +
`touch $out.temp && cat $out.temp $in | grep -v "^#.*" >> $out && rm -rf $out.temp`,
})
)
type ProvenanceMetadata interface {
ProvenanceMetaDataFile() android.OutputPath
}
func init() {
RegisterProvenanceSingleton(android.InitRegistrationContext)
}
func RegisterProvenanceSingleton(ctx android.RegistrationContext) {
ctx.RegisterSingletonType("provenance_metadata_singleton", provenanceInfoSingletonFactory)
}
var PrepareForTestWithProvenanceSingleton = android.FixtureRegisterWithContext(RegisterProvenanceSingleton)
func provenanceInfoSingletonFactory() android.Singleton {
return &provenanceInfoSingleton{}
}
type provenanceInfoSingleton struct {
}
func (b *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())
}
})
mergedMetaDataFile := android.PathForOutput(context, "provenance_metadata.textproto")
context.Build(pctx, android.BuildParams{
Rule: mergeProvenanceMetaData,
Description: "merge provenance metadata",
Inputs: allMetaDataFiles,
Output: mergedMetaDataFile,
})
context.Build(pctx, android.BuildParams{
Rule: blueprint.Phony,
Description: "phony rule of merge provenance metadata",
Inputs: []android.Path{mergedMetaDataFile},
Output: 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
}
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