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// Copyright 2021 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 etc
// This file implements snapshot module of 'prebuilt_etc' type
// 'snapshot_etc' module defines android.PrebuiltInterface so it can be handled
// as prebuilt of 'prebuilt_etc' type.
// Properties of 'snapshot_etc' follows properties from snapshotJsonFlags type
import (
"android/soong/android"
"fmt"
"strings"
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
)
func RegisterSnapshotEtcModule(ctx android.RegistrationContext) {
ctx.RegisterModuleType("snapshot_etc", SnapshotEtcFactory)
}
func init() {
RegisterSnapshotEtcModule(android.InitRegistrationContext)
}
// snapshot_etc is a prebuilt module type to be installed under etc which is auto-generated by
// development/vendor_snapshot/update.py. This module will override prebuilt_etc module with same
// name when 'prefer' property is true.
func SnapshotEtcFactory() android.Module {
module := &SnapshotEtc{}
module.AddProperties(&module.properties)
var srcsSupplier = func(_ android.BaseModuleContext, prebuilt android.Module) []string {
s, ok := prebuilt.(*SnapshotEtc)
if !ok || s.properties.Src == nil {
return []string{}
}
return []string{*s.properties.Src}
}
android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
android.InitPrebuiltModuleWithSrcSupplier(module, srcsSupplier, "src")
return module
}
type snapshotEtcProperties struct {
Src *string `android:"path,arch_variant"` // Source of snapshot_etc file
Filename *string `android:"arch_variant"` // Target file name when it differs from module name
Relative_install_path *string `android:"arch_variant"` // Relative install path when it should be installed subdirectory of etc
}
type SnapshotEtc struct {
android.ModuleBase
prebuilt android.Prebuilt
properties snapshotEtcProperties
outputFilePath android.OutputPath
installDirPath android.InstallPath
}
func (s *SnapshotEtc) Prebuilt() *android.Prebuilt {
return &s.prebuilt
}
func (s *SnapshotEtc) Name() string {
return s.prebuilt.Name(s.BaseModuleName())
}
func (s *SnapshotEtc) GenerateAndroidBuildActions(ctx android.ModuleContext) {
if s.properties.Src == nil {
ctx.PropertyErrorf("src", "missing prebuilt source file")
return
}
sourceFilePath := s.prebuilt.SingleSourcePath(ctx)
// Determine the output file basename.
// If Filename is set, use the name specified by the property.
// Otherwise use the module name.
filename := proptools.String(s.properties.Filename)
if filename == "" {
filename = ctx.ModuleName()
}
s.outputFilePath = android.PathForModuleOut(ctx, filename).OutputPath
if strings.Contains(filename, "/") {
ctx.PropertyErrorf("filename", "filename cannot contain separator '/'")
return
}
subDir := ""
if s.properties.Relative_install_path != nil {
subDir = *s.properties.Relative_install_path
}
s.installDirPath = android.PathForModuleInstall(ctx, "etc", subDir)
// This ensures that outputFilePath has the correct name for others to
// use, as the source file may have a different name.
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
Input: sourceFilePath,
Output: s.outputFilePath,
Description: "Install snapshot etc module " + s.BaseModuleName(),
})
ctx.InstallFile(s.installDirPath, s.outputFilePath.Base(), sourceFilePath)
}
func (p *SnapshotEtc) AndroidMkEntries() []android.AndroidMkEntries {
return []android.AndroidMkEntries{{
Class: "ETC",
OutputFile: android.OptionalPathForPath(p.outputFilePath),
ExtraEntries: []android.AndroidMkExtraEntriesFunc{
func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
entries.SetString("LOCAL_MODULE_TAGS", "optional")
entries.SetString("LOCAL_MODULE_PATH", p.installDirPath.String())
entries.SetString("LOCAL_INSTALLED_MODULE_STEM", p.outputFilePath.Base())
},
},
}}
}
type snapshotEtcDependencyTag struct {
blueprint.DependencyTag
}
var tag = snapshotEtcDependencyTag{}
func (s *SnapshotEtc) CoreVariantNeeded(ctx android.BaseModuleContext) bool {
return !s.ModuleBase.InstallInRecovery() && !s.ModuleBase.InstallInRamdisk() &&
!s.ModuleBase.InstallInVendorRamdisk() && !s.ModuleBase.InstallInDebugRamdisk()
}
func (p *SnapshotEtc) RamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
return p.ModuleBase.InstallInRamdisk()
}
func (p *SnapshotEtc) VendorRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
return p.ModuleBase.InstallInVendorRamdisk()
}
func (p *SnapshotEtc) DebugRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
return p.ModuleBase.InstallInDebugRamdisk()
}
func (p *SnapshotEtc) RecoveryVariantNeeded(ctx android.BaseModuleContext) bool {
return p.ModuleBase.InstallInRecovery()
}
func (p *SnapshotEtc) ExtraImageVariations(ctx android.BaseModuleContext) []string {
return nil
}
func (p *SnapshotEtc) SetImageVariation(ctx android.BaseModuleContext, variation string, module android.Module) {
}
func (p *SnapshotEtc) ImageMutatorBegin(ctx android.BaseModuleContext) {}
func (p *SnapshotEtc) OutputFiles(tag string) (android.Paths, error) {
switch tag {
case "":
return android.Paths{p.outputFilePath}, nil
default:
return nil, fmt.Errorf("unsupported module reference tag %q", tag)
}
}
var _ android.PrebuiltInterface = (*SnapshotEtc)(nil)
var _ android.ImageInterface = (*SnapshotEtc)(nil)
var _ android.OutputFileProducer = (*SnapshotEtc)(nil)