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1// Copyright (C) 2020 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package cuttlefish
16
17import (
18	"fmt"
19	"strings"
20
21	"github.com/google/blueprint"
22
23	"android/soong/android"
24)
25
26func init() {
27	android.RegisterModuleType("cvd_host_package", cvdHostPackageFactory)
28}
29
30type cvdHostPackage struct {
31	android.ModuleBase
32	android.PackagingBase
33}
34
35func cvdHostPackageFactory() android.Module {
36	module := &cvdHostPackage{}
37	android.InitPackageModule(module)
38	android.InitAndroidArchModule(module, android.HostSupported, android.MultilibFirst)
39	module.IgnoreMissingDependencies = true
40	return module
41}
42
43type dependencyTag struct {
44	blueprint.BaseDependencyTag
45	android.InstallAlwaysNeededDependencyTag // to force installation of both "deps" and manually added dependencies
46	android.PackagingItemAlwaysDepTag  // to force packaging of both "deps" and manually added dependencies
47}
48
49var cvdHostPackageDependencyTag = dependencyTag{}
50
51func (c *cvdHostPackage) DepsMutator(ctx android.BottomUpMutatorContext) {
52	c.AddDeps(ctx, cvdHostPackageDependencyTag)
53
54	variations := []blueprint.Variation{
55		{Mutator: "os", Variation: ctx.Target().Os.String()},
56		{Mutator: "arch", Variation: android.Common.String()},
57	}
58	for _, dep := range strings.Split(
59		ctx.Config().VendorConfig("cvd").String("grub_config"), " ") {
60		if ctx.OtherModuleExists(dep) {
61			ctx.AddVariationDependencies(variations, cvdHostPackageDependencyTag, dep)
62		}
63	}
64	for _, dep := range strings.Split(
65		ctx.Config().VendorConfig("cvd").String("launch_configs"), " ") {
66		if ctx.OtherModuleExists(dep) {
67			ctx.AddVariationDependencies(variations, cvdHostPackageDependencyTag, dep)
68		}
69	}
70
71	// If cvd_custom_action_config is set, include custom action servers in the
72	// host package as specified by cvd_custom_action_servers.
73	customActionConfig := ctx.Config().VendorConfig("cvd").String("custom_action_config")
74	if customActionConfig != "" && ctx.OtherModuleExists(customActionConfig) {
75		ctx.AddVariationDependencies(variations, cvdHostPackageDependencyTag,
76			customActionConfig)
77		for _, dep := range strings.Split(
78			ctx.Config().VendorConfig("cvd").String("custom_action_servers"), " ") {
79			if ctx.OtherModuleExists(dep) {
80				ctx.AddVariationDependencies(nil, cvdHostPackageDependencyTag, dep)
81			}
82		}
83	}
84}
85
86var pctx = android.NewPackageContext("android/soong/cuttlefish")
87
88func (c *cvdHostPackage) GenerateAndroidBuildActions(ctx android.ModuleContext) {
89	packageDir := android.PathForModuleInstall(ctx, c.BaseModuleName())
90
91	stamp := android.PathForModuleOut(ctx, "package.stamp")
92	dirBuilder := android.NewRuleBuilder(pctx, ctx)
93	dirBuilder.Command().Text("rm").Flag("-rf").Text(packageDir.String())
94	dirBuilder.Command().Text("mkdir").Flag("-p").Text(packageDir.String())
95	c.CopySpecsToDir(ctx, dirBuilder, c.GatherPackagingSpecs(ctx), packageDir)
96	dirBuilder.Command().Text("touch").Output(stamp)
97	dirBuilder.Build("cvd_host_package", fmt.Sprintf("Packaging %s", c.BaseModuleName()))
98	ctx.InstallFile(android.PathForModuleInstall(ctx), c.BaseModuleName()+".stamp", stamp)
99
100	tarball := android.PathForModuleOut(ctx, "package.tar.gz")
101	tarballBuilder := android.NewRuleBuilder(pctx, ctx)
102	tarballBuilder.Command().Text("tar Scfz").
103		Output(tarball).
104		Flag("-C").
105		Text(packageDir.String()).
106		Implicit(stamp).
107		Flag("--mtime='2020-01-01'"). // to have reproducible builds
108		Text(".")
109	tarballBuilder.Build("cvd_host_tarball", fmt.Sprintf("Creating tarball for %s", c.BaseModuleName()))
110	ctx.InstallFile(android.PathForModuleInstall(ctx), c.BaseModuleName()+".tar.gz", tarball)
111}
112