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Optionally embed NOTICE files in apks. am: 5b425e2e20

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am: 5d48965fed

Change-Id: I533808f0eafb496c34ece9d100784ebb9b5257e6
This commit is contained in:
Jaewoong Jung 2019-06-25 10:03:31 -07:00 committed by android-build-merger
commit a4d59ff0b5
9 changed files with 274 additions and 42 deletions
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1
Android.bp
View file

@ -55,6 +55,7 @@ bootstrap_go_package {
"android/mutator.go",
"android/namespace.go",
"android/neverallow.go",
"android/notices.go",
"android/onceper.go",
"android/override_module.go",
"android/package_ctx.go",

16
android/module.go
View file

@ -901,14 +901,6 @@ func (m *ModuleBase) GenerateBuildActions(blueprintCtx blueprint.ModuleContext)
}
if m.Enabled() {
m.module.GenerateAndroidBuildActions(ctx)
if ctx.Failed() {
return
}
m.installFiles = append(m.installFiles, ctx.installFiles...)
m.checkbuildFiles = append(m.checkbuildFiles, ctx.checkbuildFiles...)
notice := proptools.StringDefault(m.commonProperties.Notice, "NOTICE")
if module := SrcIsModule(notice); module != "" {
m.noticeFile = ctx.ExpandOptionalSource(&notice, "notice")
@ -916,6 +908,14 @@ func (m *ModuleBase) GenerateBuildActions(blueprintCtx blueprint.ModuleContext)
noticePath := filepath.Join(ctx.ModuleDir(), notice)
m.noticeFile = ExistentPathForSource(ctx, noticePath)
}
m.module.GenerateAndroidBuildActions(ctx)
if ctx.Failed() {
return
}
m.installFiles = append(m.installFiles, ctx.installFiles...)
m.checkbuildFiles = append(m.checkbuildFiles, ctx.checkbuildFiles...)
} else if ctx.Config().AllowMissingDependencies() {
// If the module is not enabled it will not create any build rules, nothing will call
// ctx.GetMissingDependencies(), and blueprint will consider the missing dependencies to be unhandled

87
android/notices.go Normal file
View file

@ -0,0 +1,87 @@
// Copyright 2019 Google Inc. All rights reserved.
//
// 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 android
import (
"path/filepath"
"github.com/google/blueprint"
)
func init() {
pctx.SourcePathVariable("merge_notices", "build/soong/scripts/mergenotice.py")
pctx.SourcePathVariable("generate_notice", "build/make/tools/generate-notice-files.py")
pctx.HostBinToolVariable("minigzip", "minigzip")
}
var (
mergeNoticesRule = pctx.AndroidStaticRule("mergeNoticesRule", blueprint.RuleParams{
Command: `${merge_notices} --output $out $in`,
CommandDeps: []string{"${merge_notices}"},
Description: "merge notice files into $out",
})
generateNoticeRule = pctx.AndroidStaticRule("generateNoticeRule", blueprint.RuleParams{
Command: `rm -rf $tmpDir $$(dirname $out) && ` +
`mkdir -p $tmpDir $$(dirname $out) && ` +
`${generate_notice} --text-output $tmpDir/NOTICE.txt --html-output $tmpDir/NOTICE.html -t "$title" -s $inputDir && ` +
`${minigzip} -c $tmpDir/NOTICE.html > $out`,
CommandDeps: []string{"${generate_notice}", "${minigzip}"},
Description: "produce notice file $out",
}, "tmpDir", "title", "inputDir")
)
func MergeNotices(ctx ModuleContext, mergedNotice WritablePath, noticePaths []Path) {
ctx.Build(pctx, BuildParams{
Rule: mergeNoticesRule,
Description: "merge notices",
Inputs: noticePaths,
Output: mergedNotice,
})
}
func BuildNoticeOutput(ctx ModuleContext, installPath OutputPath, installFilename string,
noticePaths []Path) ModuleOutPath {
// Merge all NOTICE files into one.
// TODO(jungjw): We should just produce a well-formatted NOTICE.html file in a single pass.
//
// generate-notice-files.py, which processes the merged NOTICE file, has somewhat strict rules
// about input NOTICE file paths.
// 1. Their relative paths to the src root become their NOTICE index titles. We want to use
// on-device paths as titles, and so output the merged NOTICE file the corresponding location.
// 2. They must end with .txt extension. Otherwise, they're ignored.
noticeRelPath := InstallPathToOnDevicePath(ctx, installPath.Join(ctx, installFilename+".txt"))
mergedNotice := PathForModuleOut(ctx, filepath.Join("NOTICE_FILES/src", noticeRelPath))
MergeNotices(ctx, mergedNotice, noticePaths)
// Transform the merged NOTICE file into a gzipped HTML file.
noticeOutput := PathForModuleOut(ctx, "NOTICE", "NOTICE.html.gz")
tmpDir := PathForModuleOut(ctx, "NOTICE_tmp")
title := "Notices for " + ctx.ModuleName()
ctx.Build(pctx, BuildParams{
Rule: generateNoticeRule,
Description: "generate notice output",
Input: mergedNotice,
Output: noticeOutput,
Args: map[string]string{
"tmpDir": tmpDir.String(),
"title": title,
"inputDir": PathForModuleOut(ctx, "NOTICE_FILES/src").String(),
},
})
return noticeOutput
}

20
apex/apex.go
View file

@ -90,12 +90,6 @@ var (
CommandDeps: []string{"${zip2zip}"},
Description: "app bundle",
}, "abi")
apexMergeNoticeRule = pctx.StaticRule("apexMergeNoticeRule", blueprint.RuleParams{
Command: `${mergenotice} --output $out $inputs`,
CommandDeps: []string{"${mergenotice}"},
Description: "merge notice files into $out",
}, "inputs")
)
var imageApexSuffix = ".apex"
@ -144,8 +138,6 @@ func init() {
pctx.HostBinToolVariable("zip2zip", "zip2zip")
pctx.HostBinToolVariable("zipalign", "zipalign")
pctx.SourcePathVariable("mergenotice", "build/soong/scripts/mergenotice.py")
android.RegisterModuleType("apex", apexBundleFactory)
android.RegisterModuleType("apex_test", testApexBundleFactory)
android.RegisterModuleType("apex_defaults", defaultsFactory)
@ -853,32 +845,22 @@ func (a *apexBundle) GenerateAndroidBuildActions(ctx android.ModuleContext) {
func (a *apexBundle) buildNoticeFile(ctx android.ModuleContext) {
noticeFiles := []android.Path{}
noticeFilesString := []string{}
for _, f := range a.filesInfo {
if f.module != nil {
notice := f.module.NoticeFile()
if notice.Valid() {
noticeFiles = append(noticeFiles, notice.Path())
noticeFilesString = append(noticeFilesString, notice.Path().String())
}
}
}
// append the notice file specified in the apex module itself
if a.NoticeFile().Valid() {
noticeFiles = append(noticeFiles, a.NoticeFile().Path())
noticeFilesString = append(noticeFilesString, a.NoticeFile().Path().String())
}
if len(noticeFiles) > 0 {
a.mergedNoticeFile = android.PathForModuleOut(ctx, "NOTICE")
ctx.Build(pctx, android.BuildParams{
Rule: apexMergeNoticeRule,
Inputs: noticeFiles,
Output: a.mergedNoticeFile,
Args: map[string]string{
"inputs": strings.Join(noticeFilesString, " "),
},
})
android.MergeNotices(ctx, a.mergedNoticeFile, noticeFiles)
}
}

8
apex/apex_test.go
View file

@ -347,10 +347,10 @@ func TestBasicApex(t *testing.T) {
t.Errorf("Could not find all expected symlinks! foo: %t, foo_link_64: %t. Command was %s", found_foo, found_foo_link_64, copyCmds)
}
apexMergeNoticeRule := ctx.ModuleForTests("myapex", "android_common_myapex").Rule("apexMergeNoticeRule")
noticeInputs := strings.Split(apexMergeNoticeRule.Args["inputs"], " ")
if len(noticeInputs) != 3 {
t.Errorf("number of input notice files: expected = 3, actual = %d", len(noticeInputs))
mergeNoticesRule := ctx.ModuleForTests("myapex", "android_common_myapex").Rule("mergeNoticesRule")
noticeInputs := mergeNoticesRule.Inputs.Strings()
if len(noticeInputs) != 4 {
t.Errorf("number of input notice files: expected = 4, actual = %q", len(noticeInputs))
}
ensureListContains(t, noticeInputs, "NOTICE")
ensureListContains(t, noticeInputs, "custom_notice")

10
java/aar.go
View file

@ -17,6 +17,7 @@ package java
import (
"android/soong/android"
"fmt"
"path/filepath"
"strings"
"github.com/google/blueprint"
@ -80,6 +81,7 @@ type aapt struct {
rTxt android.Path
extraAaptPackagesFile android.Path
mergedManifestFile android.Path
noticeFile android.OptionalPath
isLibrary bool
useEmbeddedNativeLibs bool
useEmbeddedDex bool
@ -151,10 +153,16 @@ func (a *aapt) aapt2Flags(ctx android.ModuleContext, sdkContext sdkContext,
assetFiles = append(assetFiles, androidResourceGlob(ctx, dir)...)
}
assetDirStrings := assetDirs.Strings()
if a.noticeFile.Valid() {
assetDirStrings = append(assetDirStrings, filepath.Dir(a.noticeFile.Path().String()))
assetFiles = append(assetFiles, a.noticeFile.Path())
}
linkFlags = append(linkFlags, "--manifest "+manifestPath.String())
linkDeps = append(linkDeps, manifestPath)
linkFlags = append(linkFlags, android.JoinWithPrefix(assetDirs.Strings(), "-A "))
linkFlags = append(linkFlags, android.JoinWithPrefix(assetDirStrings, "-A "))
linkDeps = append(linkDeps, assetFiles...)
// SDK version flags

75
java/app.go
View file

@ -19,6 +19,7 @@ package java
import (
"path/filepath"
"reflect"
"sort"
"strings"
"github.com/google/blueprint"
@ -103,6 +104,10 @@ type appProperties struct {
// Use_embedded_native_libs still selects whether they are stored uncompressed and aligned or compressed.
// True for android_test* modules.
AlwaysPackageNativeLibs bool `blueprint:"mutated"`
// If set, find and merge all NOTICE files that this module and its dependencies have and store
// it in the APK as an asset.
Embed_notices *bool
}
// android_app properties that can be overridden by override_android_app
@ -351,6 +356,54 @@ func (a *AndroidApp) jniBuildActions(jniLibs []jniLib, ctx android.ModuleContext
return jniJarFile
}
func (a *AndroidApp) noticeBuildActions(ctx android.ModuleContext, installDir android.OutputPath) android.OptionalPath {
if !Bool(a.appProperties.Embed_notices) && !ctx.Config().IsEnvTrue("ALWAYS_EMBED_NOTICES") {
return android.OptionalPath{}
}
// Collect NOTICE files from all dependencies.
seenModules := make(map[android.Module]bool)
noticePathSet := make(map[android.Path]bool)
ctx.WalkDeps(func(child android.Module, parent android.Module) bool {
// Have we already seen this?
if _, ok := seenModules[child]; ok {
return false
}
seenModules[child] = true
// Skip host modules.
if child.Target().Os.Class == android.Host || child.Target().Os.Class == android.HostCross {
return false
}
path := child.(android.Module).NoticeFile()
if path.Valid() {
noticePathSet[path.Path()] = true
}
return true
})
// If the app has one, add it too.
if a.NoticeFile().Valid() {
noticePathSet[a.NoticeFile().Path()] = true
}
if len(noticePathSet) == 0 {
return android.OptionalPath{}
}
var noticePaths []android.Path
for path := range noticePathSet {
noticePaths = append(noticePaths, path)
}
sort.Slice(noticePaths, func(i, j int) bool {
return noticePaths[i].String() < noticePaths[j].String()
})
noticeFile := android.BuildNoticeOutput(ctx, installDir, a.installApkName+".apk", noticePaths)
return android.OptionalPathForPath(noticeFile)
}
// Reads and prepends a main cert from the default cert dir if it hasn't been set already, i.e. it
// isn't a cert module reference. Also checks and enforces system cert restriction if applicable.
func processMainCert(m android.ModuleBase, certPropValue string, certificates []Certificate, ctx android.ModuleContext) []Certificate {
@ -391,6 +444,18 @@ func (a *AndroidApp) generateAndroidBuildActions(ctx android.ModuleContext) {
// Check if the install APK name needs to be overridden.
a.installApkName = ctx.DeviceConfig().OverridePackageNameFor(a.Name())
var installDir android.OutputPath
if ctx.ModuleName() == "framework-res" {
// framework-res.apk is installed as system/framework/framework-res.apk
installDir = android.PathForModuleInstall(ctx, "framework")
} else if Bool(a.appProperties.Privileged) {
installDir = android.PathForModuleInstall(ctx, "priv-app", a.installApkName)
} else {
installDir = android.PathForModuleInstall(ctx, "app", a.installApkName)
}
a.aapt.noticeFile = a.noticeBuildActions(ctx, installDir)
// Process all building blocks, from AAPT to certificates.
a.aaptBuildActions(ctx)
@ -432,16 +497,6 @@ func (a *AndroidApp) generateAndroidBuildActions(ctx android.ModuleContext) {
a.bundleFile = bundleFile
// Install the app package.
var installDir android.OutputPath
if ctx.ModuleName() == "framework-res" {
// framework-res.apk is installed as system/framework/framework-res.apk
installDir = android.PathForModuleInstall(ctx, "framework")
} else if Bool(a.appProperties.Privileged) {
installDir = android.PathForModuleInstall(ctx, "priv-app", a.installApkName)
} else {
installDir = android.PathForModuleInstall(ctx, "app", a.installApkName)
}
ctx.InstallFile(installDir, a.installApkName+".apk", a.outputFile)
for _, split := range a.aapt.splits {
ctx.InstallFile(installDir, a.installApkName+"_"+split.suffix+".apk", split.path)

95
java/app_test.go
View file

@ -1396,3 +1396,98 @@ func TestCodelessApp(t *testing.T) {
})
}
}
func TestEmbedNotice(t *testing.T) {
ctx := testJava(t, cc.GatherRequiredDepsForTest(android.Android)+`
android_app {
name: "foo",
srcs: ["a.java"],
static_libs: ["javalib"],
jni_libs: ["libjni"],
notice: "APP_NOTICE",
embed_notices: true,
}
// No embed_notice flag
android_app {
name: "bar",
srcs: ["a.java"],
jni_libs: ["libjni"],
notice: "APP_NOTICE",
}
// No NOTICE files
android_app {
name: "baz",
srcs: ["a.java"],
embed_notices: true,
}
cc_library {
name: "libjni",
system_shared_libs: [],
stl: "none",
notice: "LIB_NOTICE",
}
java_library {
name: "javalib",
srcs: [
":gen",
],
}
genrule {
name: "gen",
tools: ["gentool"],
out: ["gen.java"],
notice: "GENRULE_NOTICE",
}
java_binary_host {
name: "gentool",
srcs: ["b.java"],
notice: "TOOL_NOTICE",
}
`)
// foo has NOTICE files to process, and embed_notices is true.
foo := ctx.ModuleForTests("foo", "android_common")
// verify merge notices rule.
mergeNotices := foo.Rule("mergeNoticesRule")
noticeInputs := mergeNotices.Inputs.Strings()
// TOOL_NOTICE should be excluded as it's a host module.
if len(mergeNotices.Inputs) != 3 {
t.Errorf("number of input notice files: expected = 3, actual = %q", noticeInputs)
}
if !inList("APP_NOTICE", noticeInputs) {
t.Errorf("APP_NOTICE is missing from notice files, %q", noticeInputs)
}
if !inList("LIB_NOTICE", noticeInputs) {
t.Errorf("LIB_NOTICE is missing from notice files, %q", noticeInputs)
}
if !inList("GENRULE_NOTICE", noticeInputs) {
t.Errorf("GENRULE_NOTICE is missing from notice files, %q", noticeInputs)
}
// aapt2 flags should include -A <NOTICE dir> so that its contents are put in the APK's /assets.
res := foo.Output("package-res.apk")
aapt2Flags := res.Args["flags"]
e := "-A " + buildDir + "/.intermediates/foo/android_common/NOTICE"
if !strings.Contains(aapt2Flags, e) {
t.Errorf("asset dir flag for NOTICE, %q is missing in aapt2 link flags, %q", e, aapt2Flags)
}
// bar has NOTICE files to process, but embed_notices is not set.
bar := ctx.ModuleForTests("bar", "android_common")
mergeNotices = bar.MaybeRule("mergeNoticesRule")
if mergeNotices.Rule != nil {
t.Errorf("mergeNotices shouldn't have run for bar")
}
// baz's embed_notice is true, but it doesn't have any NOTICE files.
baz := ctx.ModuleForTests("baz", "android_common")
mergeNotices = baz.MaybeRule("mergeNoticesRule")
if mergeNotices.Rule != nil {
t.Errorf("mergeNotices shouldn't have run for baz")
}
}

4
java/java_test.go
View file

@ -121,6 +121,10 @@ func testContext(config android.Config, bp string,
"b.kt": nil,
"a.jar": nil,
"b.jar": nil,
"APP_NOTICE": nil,
"GENRULE_NOTICE": nil,
"LIB_NOTICE": nil,
"TOOL_NOTICE": nil,
"java-res/a/a": nil,
"java-res/b/b": nil,
"java-res2/a": nil,