21d04d99c8
This build flag causes us to create aconfig flag artifacts for the given extra release configs. Bug: 298444886 Test: manual Change-Id: I10148f6e7318b0477438ed1d8baafbf4dc594c90
118 lines
4.4 KiB
Go
118 lines
4.4 KiB
Go
// Copyright 2023 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 aconfig
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import (
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"android/soong/android"
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"fmt"
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"slices"
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)
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// A singleton module that collects all of the aconfig flags declared in the
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// tree into a single combined file for export to the external flag setting
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// server (inside Google it's Gantry).
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//
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// Note that this is ALL aconfig_declarations modules present in the tree, not just
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// ones that are relevant to the product currently being built, so that that infra
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// doesn't need to pull from multiple builds and merge them.
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func AllAconfigDeclarationsFactory() android.Singleton {
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return &allAconfigDeclarationsSingleton{releaseMap: make(map[string]allAconfigReleaseDeclarationsSingleton)}
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}
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type allAconfigReleaseDeclarationsSingleton struct {
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intermediateBinaryProtoPath android.OutputPath
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intermediateTextProtoPath android.OutputPath
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}
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type allAconfigDeclarationsSingleton struct {
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releaseMap map[string]allAconfigReleaseDeclarationsSingleton
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}
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func (this *allAconfigDeclarationsSingleton) sortedConfigNames() []string {
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var names []string
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for k := range this.releaseMap {
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names = append(names, k)
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}
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slices.Sort(names)
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return names
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}
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func (this *allAconfigDeclarationsSingleton) GenerateBuildActions(ctx android.SingletonContext) {
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for _, rcName := range append([]string{""}, ctx.Config().ReleaseAconfigExtraReleaseConfigs()...) {
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// Find all of the aconfig_declarations modules
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var packages = make(map[string]int)
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var cacheFiles android.Paths
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ctx.VisitAllModules(func(module android.Module) {
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decl, ok := android.SingletonModuleProvider(ctx, module, android.AconfigReleaseDeclarationsProviderKey)
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if !ok {
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return
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}
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cacheFiles = append(cacheFiles, decl[rcName].IntermediateCacheOutputPath)
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packages[decl[rcName].Package]++
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})
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var numOffendingPkg = 0
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for pkg, cnt := range packages {
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if cnt > 1 {
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fmt.Printf("%d aconfig_declarations found for package %s\n", cnt, pkg)
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numOffendingPkg++
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}
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}
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if numOffendingPkg > 0 {
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panic(fmt.Errorf("Only one aconfig_declarations allowed for each package."))
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}
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// Generate build action for aconfig (binary proto output)
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paths := allAconfigReleaseDeclarationsSingleton{
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intermediateBinaryProtoPath: android.PathForIntermediates(ctx, assembleFileName(rcName, "all_aconfig_declarations.pb")),
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intermediateTextProtoPath: android.PathForIntermediates(ctx, assembleFileName(rcName, "all_aconfig_declarations.textproto")),
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}
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this.releaseMap[rcName] = paths
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ctx.Build(pctx, android.BuildParams{
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Rule: AllDeclarationsRule,
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Inputs: cacheFiles,
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Output: this.releaseMap[rcName].intermediateBinaryProtoPath,
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Description: "all_aconfig_declarations",
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Args: map[string]string{
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"cache_files": android.JoinPathsWithPrefix(cacheFiles, "--cache "),
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},
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})
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ctx.Phony("all_aconfig_declarations", this.releaseMap[rcName].intermediateBinaryProtoPath)
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// Generate build action for aconfig (text proto output)
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ctx.Build(pctx, android.BuildParams{
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Rule: AllDeclarationsRuleTextProto,
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Inputs: cacheFiles,
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Output: this.releaseMap[rcName].intermediateTextProtoPath,
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Description: "all_aconfig_declarations_textproto",
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Args: map[string]string{
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"cache_files": android.JoinPathsWithPrefix(cacheFiles, "--cache "),
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},
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})
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ctx.Phony("all_aconfig_declarations_textproto", this.releaseMap[rcName].intermediateTextProtoPath)
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}
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}
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func (this *allAconfigDeclarationsSingleton) MakeVars(ctx android.MakeVarsContext) {
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for _, rcName := range this.sortedConfigNames() {
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ctx.DistForGoal("droid", this.releaseMap[rcName].intermediateBinaryProtoPath)
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for _, goal := range []string{"docs", "droid", "sdk"} {
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ctx.DistForGoalWithFilename(goal, this.releaseMap[rcName].intermediateBinaryProtoPath, assembleFileName(rcName, "flags.pb"))
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ctx.DistForGoalWithFilename(goal, this.releaseMap[rcName].intermediateTextProtoPath, assembleFileName(rcName, "flags.textproto"))
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}
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}
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}
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