| // Copyright (C) 2019 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 fs_config |
| |
| import ( |
| "android/soong/android" |
| ) |
| |
| var pctx = android.NewPackageContext("android/soong/fs_config") |
| |
| func init() { |
| android.RegisterModuleType("target_fs_config_gen_filegroup", targetFSConfigGenFactory) |
| } |
| |
| // target_fs_config_gen_filegroup is used to expose the files pointed to by TARGET_FS_CONFIG_GEN to |
| // genrules in Soong. If TARGET_FS_CONFIG_GEN is empty, it will export an empty file instead. |
| func targetFSConfigGenFactory() android.Module { |
| module := &targetFSConfigGen{} |
| android.InitAndroidModule(module) |
| return module |
| } |
| |
| var _ android.SourceFileProducer = (*targetFSConfigGen)(nil) |
| |
| type targetFSConfigGen struct { |
| android.ModuleBase |
| paths android.Paths |
| } |
| |
| func (targetFSConfigGen) DepsMutator(ctx android.BottomUpMutatorContext) {} |
| |
| func (t *targetFSConfigGen) GenerateAndroidBuildActions(ctx android.ModuleContext) { |
| if ret := ctx.DeviceConfig().TargetFSConfigGen(); len(ret) != 0 { |
| t.paths = android.PathsForSource(ctx, ret) |
| } else { |
| path := android.PathForModuleGen(ctx, "empty") |
| t.paths = android.Paths{path} |
| |
| rule := android.NewRuleBuilder() |
| rule.Command().Text("rm -rf").Output(path) |
| rule.Command().Text("touch").Output(path) |
| rule.Build(pctx, ctx, "fs_config_empty", "create empty file") |
| } |
| } |
| |
| func (t *targetFSConfigGen) Srcs() android.Paths { |
| return t.paths |
| } |