platform_build_soong/filesystem/aconfig_files.go
Justin Yun 162098358c Build aconfig storage files from soong filesystem
`gen_aconfig_flags_pb: true` additionally generates, aconfig storage
files in `etc/aconfig` directory. That includes, package.map,
flag.map and flag.val files.

Bug: 329187549
Test: m aosp_cf_system_x86_64
Change-Id: Ibbfde390cd84ca06bdd345ce0d0b4baa30a60773
2024-05-16 13:25:37 +09:00

82 lines
2.8 KiB
Go

// Copyright (C) 2024 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 filesystem
import (
"android/soong/android"
"path/filepath"
"strings"
"github.com/google/blueprint/proptools"
)
func (f *filesystem) buildAconfigFlagsFiles(ctx android.ModuleContext, builder *android.RuleBuilder, specs map[string]android.PackagingSpec, dir android.OutputPath) {
if !proptools.Bool(f.properties.Gen_aconfig_flags_pb) {
return
}
aconfigFlagsBuilderPath := android.PathForModuleOut(ctx, "aconfig_flags_builder.sh")
aconfigToolPath := ctx.Config().HostToolPath(ctx, "aconfig")
cmd := builder.Command().Tool(aconfigFlagsBuilderPath).Implicit(aconfigToolPath)
var caches []string
for _, ps := range specs {
cmd.Implicits(ps.GetAconfigPaths())
caches = append(caches, ps.GetAconfigPaths().Strings()...)
}
caches = android.SortedUniqueStrings(caches)
var sbCaches strings.Builder
for _, cache := range caches {
sbCaches.WriteString(" --cache ")
sbCaches.WriteString(cache)
sbCaches.WriteString(" \\\n")
}
sbCaches.WriteRune('\n')
var sb strings.Builder
sb.WriteString("set -e\n")
installAconfigFlagsPath := dir.Join(ctx, "etc", "aconfig_flags.pb")
sb.WriteString(aconfigToolPath.String())
sb.WriteString(" dump-cache --dedup --format protobuf --out ")
sb.WriteString(installAconfigFlagsPath.String())
sb.WriteString(" \\\n")
sb.WriteString(sbCaches.String())
cmd.ImplicitOutput(installAconfigFlagsPath)
installAconfigStorageDir := dir.Join(ctx, "etc", "aconfig")
sb.WriteString("mkdir -p ")
sb.WriteString(installAconfigStorageDir.String())
sb.WriteRune('\n')
generatePartitionAconfigStorageFile := func(fileType, fileName string) {
sb.WriteString(aconfigToolPath.String())
sb.WriteString(" create-storage --container ")
sb.WriteString(f.PartitionType())
sb.WriteString(" --file ")
sb.WriteString(fileType)
sb.WriteString(" --out ")
sb.WriteString(filepath.Join(installAconfigStorageDir.String(), fileName))
sb.WriteString(" \\\n")
sb.WriteString(sbCaches.String())
cmd.ImplicitOutput(installAconfigStorageDir.Join(ctx, fileName))
}
generatePartitionAconfigStorageFile("package_map", "package.map")
generatePartitionAconfigStorageFile("flag_map", "flag.map")
generatePartitionAconfigStorageFile("flag_val", "flag.val")
android.WriteExecutableFileRuleVerbatim(ctx, aconfigFlagsBuilderPath, sb.String())
}