Merge changes Ia67986af,I79da6b75

* changes:
  Mixed builds support for prebuilt_* targets
  Create GetPrebuiltFileInfo to Mixed builds cquery api

android/bazel_handler.go

@@ -187,6 +187,9 @@ type BazelContext interface {
 	// Returns the results of the GetCcUnstrippedInfo query
 	GetCcUnstrippedInfo(label string, cfgkey configKey) (cquery.CcUnstrippedInfo, error)
 
+	// Returns the results of the GetPrebuiltFileInfo query
+	GetPrebuiltFileInfo(label string, cfgKey configKey) (cquery.PrebuiltFileInfo, error)
+
 	// ** end Cquery Results Retrieval Functions
 
 	// Issues commands to Bazel to receive results for all cquery requests
@@ -277,6 +280,7 @@ type MockBazelContext struct {
 	LabelToPythonBinary     map[string]string
 	LabelToApexInfo         map[string]cquery.ApexInfo
 	LabelToCcBinary         map[string]cquery.CcUnstrippedInfo
+	LabelToPrebuiltFileInfo map[string]cquery.PrebuiltFileInfo
 
 	BazelRequests map[string]bool
 }
@@ -325,6 +329,14 @@ func (m MockBazelContext) GetCcUnstrippedInfo(label string, _ configKey) (cquery
 	return result, nil
 }
 
+func (m MockBazelContext) GetPrebuiltFileInfo(label string, _ configKey) (cquery.PrebuiltFileInfo, error) {
+	result, ok := m.LabelToPrebuiltFileInfo[label]
+	if !ok {
+		return cquery.PrebuiltFileInfo{}, fmt.Errorf("no target with label %q in LabelToPrebuiltFileInfo", label)
+	}
+	return result, nil
+}
+
 func (m MockBazelContext) InvokeBazel(_ Config, _ invokeBazelContext) error {
 	panic("unimplemented")
 }
@@ -433,6 +445,14 @@ func (bazelCtx *mixedBuildBazelContext) GetCcUnstrippedInfo(label string, cfgKey
 	return cquery.CcUnstrippedInfo{}, fmt.Errorf("no bazel response for %s", key)
 }
 
+func (bazelCtx *mixedBuildBazelContext) GetPrebuiltFileInfo(label string, cfgKey configKey) (cquery.PrebuiltFileInfo, error) {
+	key := makeCqueryKey(label, cquery.GetPrebuiltFileInfo, cfgKey)
+	if rawString, ok := bazelCtx.results[key]; ok {
+		return cquery.GetPrebuiltFileInfo.ParseResult(strings.TrimSpace(rawString))
+	}
+	return cquery.PrebuiltFileInfo{}, fmt.Errorf("no bazel response for %s", key)
+}
+
 func (n noopBazelContext) QueueBazelRequest(_ string, _ cqueryRequest, _ configKey) {
 	panic("unimplemented")
 }
@@ -454,6 +474,10 @@ func (n noopBazelContext) GetCcUnstrippedInfo(_ string, _ configKey) (cquery.CcU
 	panic("implement me")
 }
 
+func (n noopBazelContext) GetPrebuiltFileInfo(_ string, _ configKey) (cquery.PrebuiltFileInfo, error) {
+	panic("implement me")
+}
+
 func (n noopBazelContext) InvokeBazel(_ Config, _ invokeBazelContext) error {
 	panic("unimplemented")
 }

bazel/cquery/request_type.go

@@ -11,6 +11,7 @@ var (
 	GetCcInfo           = &getCcInfoType{}
 	GetApexInfo         = &getApexInfoType{}
 	GetCcUnstrippedInfo = &getCcUnstrippedInfoType{}
+	GetPrebuiltFileInfo = &getPrebuiltFileInfo{}
 )
 
 type CcAndroidMkInfo struct {
@@ -375,3 +376,51 @@ func parseJson(jsonString string, info interface{}) error {
 	}
 	return nil
 }
+
+type getPrebuiltFileInfo struct{}
+
+// Name returns a string name for this request type. Such request type names must be unique,
+// and must only consist of alphanumeric characters.
+func (g getPrebuiltFileInfo) Name() string {
+	return "getPrebuiltFileInfo"
+}
+
+// StarlarkFunctionBody returns a starlark function body to process this request type.
+// The returned string is the body of a Starlark function which obtains
+// all request-relevant information about a target and returns a string containing
+// this information.
+// The function should have the following properties:
+//   - The arguments are `target` (a configured target) and `id_string` (the label + configuration).
+//   - The return value must be a string.
+//   - The function body should not be indented outside of its own scope.
+func (g getPrebuiltFileInfo) StarlarkFunctionBody() string {
+	return `
+p = providers(target)
+prebuilt_file_info = p.get("//build/bazel/rules:prebuilt_file.bzl%PrebuiltFileInfo")
+if not prebuilt_file_info:
+  fail("%s did not provide PrebuiltFileInfo" % id_string)
+
+return json.encode({
+	"Src": prebuilt_file_info.src.path,
+	"Dir": prebuilt_file_info.dir,
+	"Filename": prebuilt_file_info.filename,
+	"Installable": prebuilt_file_info.installable,
+})`
+}
+
+type PrebuiltFileInfo struct {
+	// TODO: b/207489266 - Fully support all properties in prebuilt_file
+	Src         string
+	Dir         string
+	Filename    string
+	Installable bool
+}
+
+// ParseResult returns a value obtained by parsing the result of the request's Starlark function.
+// The given rawString must correspond to the string output which was created by evaluating the
+// Starlark given in StarlarkFunctionBody.
+func (g getPrebuiltFileInfo) ParseResult(rawString string) (PrebuiltFileInfo, error) {
+	var info PrebuiltFileInfo
+	err := parseJson(rawString, &info)
+	return info, err
+}

etc/prebuilt_etc.go

@@ -38,6 +38,7 @@ import (
 
 	"android/soong/android"
 	"android/soong/bazel"
+	"android/soong/bazel/cquery"
 	"android/soong/snapshot"
 )
 
@@ -329,7 +330,6 @@ func (p *PrebuiltEtc) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 		ctx.PropertyErrorf("src", "missing prebuilt source file")
 		return
 	}
-	p.outputFilePath = android.PathForModuleOut(ctx, filename).OutputPath
 
 	if strings.Contains(filename, "/") {
 		ctx.PropertyErrorf("filename", "filename cannot contain separator '/'")
@@ -349,21 +349,42 @@ func (p *PrebuiltEtc) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	}
 	p.installDirPath = android.PathForModuleInstall(ctx, installBaseDir, p.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,
-		Output: p.outputFilePath,
-		Input:  p.sourceFilePath,
-	})
+	// Call InstallFile even when uninstallable to make the module included in the package
+	ip := installProperties{
+		installable:    p.Installable(),
+		filename:       filename,
+		sourceFilePath: p.sourceFilePath,
+		symlinks:       p.properties.Symlinks,
+	}
+	p.addInstallRules(ctx, ip)
+}
 
-	if !p.Installable() {
+type installProperties struct {
+	installable    bool
+	filename       string
+	sourceFilePath android.Path
+	symlinks       []string
+}
+
+// utility function to add install rules to the build graph.
+// Reduces code duplication between Soong and Mixed build analysis
+func (p *PrebuiltEtc) addInstallRules(ctx android.ModuleContext, ip installProperties) {
+	if !ip.installable {
 		p.SkipInstall()
 	}
 
-	// Call InstallFile even when uninstallable to make the module included in the package
-	installPath := ctx.InstallFile(p.installDirPath, p.outputFilePath.Base(), p.outputFilePath)
-	for _, sl := range p.properties.Symlinks {
+	// Copy the file from src to a location in out/ with the correct `filename`
+	// This ensures that outputFilePath has the correct name for others to
+	// use, as the source file may have a different name.
+	p.outputFilePath = android.PathForModuleOut(ctx, ip.filename).OutputPath
+	ctx.Build(pctx, android.BuildParams{
+		Rule:   android.Cp,
+		Output: p.outputFilePath,
+		Input:  ip.sourceFilePath,
+	})
+
+	installPath := ctx.InstallFile(p.installDirPath, ip.filename, p.outputFilePath)
+	for _, sl := range ip.symlinks {
 		ctx.InstallSymlink(p.installDirPath, sl, installPath)
 	}
 }
@@ -781,3 +802,38 @@ func (module *PrebuiltEtc) ConvertWithBp2build(ctx android.TopDownMutatorContext
 
 	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: module.Name()}, attrs)
 }
+
+var _ android.MixedBuildBuildable = (*PrebuiltEtc)(nil)
+
+func (pe *PrebuiltEtc) IsMixedBuildSupported(ctx android.BaseModuleContext) bool {
+	return true
+}
+
+func (pe *PrebuiltEtc) QueueBazelCall(ctx android.BaseModuleContext) {
+	ctx.Config().BazelContext.QueueBazelRequest(
+		pe.GetBazelLabel(ctx, pe),
+		cquery.GetPrebuiltFileInfo,
+		android.GetConfigKey(ctx),
+	)
+}
+
+func (pe *PrebuiltEtc) ProcessBazelQueryResponse(ctx android.ModuleContext) {
+	bazelCtx := ctx.Config().BazelContext
+	pfi, err := bazelCtx.GetPrebuiltFileInfo(pe.GetBazelLabel(ctx, pe), android.GetConfigKey(ctx))
+	if err != nil {
+		ctx.ModuleErrorf(err.Error())
+		return
+	}
+
+	// Set properties for androidmk
+	pe.installDirPath = android.PathForModuleInstall(ctx, pfi.Dir)
+
+	// Installation rules
+	ip := installProperties{
+		installable:    pfi.Installable,
+		filename:       pfi.Filename,
+		sourceFilePath: android.PathForSource(ctx, pfi.Src),
+		// symlinks: pe.properties.Symlinks, // TODO: b/207489266 - Fully support all properties in prebuilt_file
+	}
+	pe.addInstallRules(ctx, ip)
+}

etc/prebuilt_etc_test.go

@@ -23,6 +23,7 @@ import (
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
+	"android/soong/bazel/cquery"
 	"android/soong/snapshot"
 )
 
@@ -494,3 +495,41 @@ func TestPrebuiltTakeSnapshot(t *testing.T) {
 		checkIfSnapshotNotTaken(t, result, "recovery", "prebuilt_recovery_indirect")
 	})
 }
+
+func TestPrebuiltEtcAndroidMkEntriesWithBazel(t *testing.T) {
+	t.Parallel()
+	bp := `
+prebuilt_etc {
+	name: "myetc",
+	src: "prebuilt_etc.rc", // filename in src tree
+	filename: "init.rc", // target filename on device
+	sub_dir: "subdir", // relative subdir for installation
+	bazel_module: { label: "//foo/bar:myetc" },
+}
+`
+	res := android.GroupFixturePreparers(
+		prepareForPrebuiltEtcTest,
+		android.FixtureModifyConfig(func(cfg android.Config) {
+			cfg.BazelContext = android.MockBazelContext{
+				LabelToPrebuiltFileInfo: map[string]cquery.PrebuiltFileInfo{
+					"//foo/bar:myetc": cquery.PrebuiltFileInfo{
+						Src:         "foo/bar/prebuilt_etc.rc",
+						Dir:         "etc/subdir",
+						Filename:    "init.rc",
+						Installable: true,
+					},
+				},
+			}
+		}),
+	).RunTestWithBp(t, bp)
+	ctx := res.ModuleForTests("myetc", "android_arm64_armv8-a")
+	mod := ctx.Module()
+	entries := android.AndroidMkEntriesForTest(t, res.TestContext, mod)[0]
+	// verify androidmk entries
+	android.AssertStringDoesContain(t, "LOCAL_MODULE_PATH should contain", entries.EntryMap["LOCAL_MODULE_PATH"][0], "etc/subdir")
+	android.AssertStringEquals(t, "LOCAL_INSTALLED_MODULE_STEM is incorrect", "init.rc", entries.EntryMap["LOCAL_INSTALLED_MODULE_STEM"][0])
+	// verify installation rules
+	install := ctx.Description("install")
+	android.AssertStringEquals(t, "Source location of prebuilt_etc installation", "out/soong/.intermediates/myetc/android_arm64_armv8-a/init.rc", install.Input.String())
+	android.AssertStringEquals(t, "Target location of prebuilt_etc installation", "out/soong/target/product/test_device/system/etc/subdir/init.rc", install.Output.String())
+}