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// Copyright (C) 2020 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 (
"fmt"
"android/soong/android"
"github.com/google/blueprint"
)
func init() {
android.RegisterModuleType("android_filesystem", filesystemFactory)
}
type filesystem struct {
android.ModuleBase
android.PackagingBase
}
func filesystemFactory() android.Module {
module := &filesystem{}
android.InitPackageModule(module)
android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
return module
}
var dependencyTag = struct{ blueprint.BaseDependencyTag }{}
func (f *filesystem) DepsMutator(ctx android.BottomUpMutatorContext) {
f.AddDeps(ctx, dependencyTag)
}
var pctx = android.NewPackageContext("android/soong/filesystem")
func (f *filesystem) GenerateAndroidBuildActions(ctx android.ModuleContext) {
zipFile := android.PathForModuleOut(ctx, "temp.zip").OutputPath
f.CopyDepsToZip(ctx, zipFile)
rootDir := android.PathForModuleOut(ctx, "root").OutputPath
builder := android.NewRuleBuilder()
builder.Command().
BuiltTool(ctx, "zipsync").
FlagWithArg("-d ", rootDir.String()). // zipsync wipes this. No need to clear.
Input(zipFile)
mkuserimg := ctx.Config().HostToolPath(ctx, "mkuserimg_mke2fs")
propFile := android.PathForModuleOut(ctx, "prop").OutputPath
// TODO(jiyong): support more filesystem types other than ext4
propsText := fmt.Sprintf(`mount_point=system\n`+
`fs_type=ext4\n`+
`use_dynamic_partition_size=true\n`+
`ext_mkuserimg=%s\n`, mkuserimg.String())
builder.Command().Text("echo").Flag("-e").Flag(`"` + propsText + `"`).
Text(">").Output(propFile).
Implicit(mkuserimg)
image := android.PathForModuleOut(ctx, "filesystem.img").OutputPath
builder.Command().BuiltTool(ctx, "build_image").
Text(rootDir.String()). // input directory
Input(propFile).
Output(image).
Text(rootDir.String()) // directory where to find fs_config_files|dirs
// rootDir is not deleted. Might be useful for quick inspection.
builder.Build(pctx, ctx, "build_filesystem_image", fmt.Sprintf("Creating filesystem %s", f.BaseModuleName()))
}
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