Handle the case where the release value set is a list.

Bug: 304814040
Test: CI, unit test,
b build build/make/tools/aconfig:aconfig.test.cpp
b test build/make/tools/aconfig:AconfigJavaHostTest

Change-Id: I9ca939348a063c39e9528f24e788f9757458d30c

aconfig/aconfig_declarations.go

@@ -74,8 +74,8 @@ func (module *DeclarationsModule) DepsMutator(ctx android.BottomUpMutatorContext
 	// RELEASE_ACONFIG_VALUE_SETS, and add any aconfig_values that
 	// match our package.
 	valuesFromConfig := ctx.Config().ReleaseAconfigValueSets()
-	if valuesFromConfig != "" {
-		ctx.AddDependency(ctx.Module(), implicitValuesTag, valuesFromConfig)
+	if len(valuesFromConfig) > 0 {
+		ctx.AddDependency(ctx.Module(), implicitValuesTag, valuesFromConfig...)
 	}
 }
 

android/allowlists/allowlists.go

@@ -531,6 +531,8 @@ var (
 	}
 
 	Bp2buildModuleAlwaysConvertList = []string{
+		"aconfig.test.cpp",
+		"AconfigJavaHostTest",
 		// aconfig
 		"libonce_cell",
 		"libanyhow",

android/config.go

@@ -200,21 +200,23 @@ func (c Config) ReleaseVersion() string {
 }
 
 // The aconfig value set passed to aconfig, derived from RELEASE_VERSION
-func (c Config) ReleaseAconfigValueSets() string {
+func (c Config) ReleaseAconfigValueSets() []string {
 	// This logic to handle both Soong module name and bazel target is temporary in order to
 	// provide backward compatibility where aosp and internal both have the release
 	// aconfig value set but can't be updated at the same time to use bazel target
-	value := strings.Split(c.config.productVariables.ReleaseAconfigValueSets, ":")
-	value_len := len(value)
-	if value_len > 2 {
+	var valueSets []string
+	for _, valueSet := range c.config.productVariables.ReleaseAconfigValueSets {
+		value := strings.Split(valueSet, ":")
+		valueLen := len(value)
+		if valueLen > 2 {
 			// This shouldn't happen as this should be either a module name or a bazel target path.
-		panic(fmt.Errorf("config file: invalid value for release aconfig value sets: %s",
-			c.config.productVariables.ReleaseAconfigValueSets))
+			panic(fmt.Errorf("config file: invalid value for release aconfig value sets: %s", valueSet))
 		}
-	if value_len > 0 {
-		return value[value_len-1]
+		if valueLen > 0 {
+			valueSets = append(valueSets, value[valueLen-1])
 		}
-	return ""
+	}
+	return valueSets
 }
 
 // The flag default permission value passed to aconfig

android/variable.go

@@ -475,7 +475,7 @@ type ProductVariables struct {
 	BuildVersionTags    []string `json:",omitempty"`
 
 	ReleaseVersion          string   `json:",omitempty"`
-	ReleaseAconfigValueSets string `json:",omitempty"`
+	ReleaseAconfigValueSets []string `json:",omitempty"`
 
 	ReleaseAconfigFlagDefaultPermission string `json:",omitempty"`
 

bp2build/bp2build_product_config.go

@@ -29,6 +29,8 @@ type bazelLabel struct {
 	target string
 }
 
+const releaseAconfigValueSetsName = "release_aconfig_value_sets"
+
 func (l *bazelLabel) Less(other *bazelLabel) bool {
 	if l.repo < other.repo {
 		return true
@@ -343,10 +345,11 @@ func platformMappingSingleProduct(
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:product_brand=%s\n", productVariables.ProductBrand))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:product_manufacturer=%s\n", productVariables.ProductManufacturer))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:release_aconfig_flag_default_permission=%s\n", productVariables.ReleaseAconfigFlagDefaultPermission))
-		// Empty string can't be used as label_flag on the bazel side
+		releaseAconfigValueSets := "//build/bazel/product_config:empty_aconfig_value_sets"
 		if len(productVariables.ReleaseAconfigValueSets) > 0 {
-			result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:release_aconfig_value_sets=%s\n", productVariables.ReleaseAconfigValueSets))
+			releaseAconfigValueSets = "@//" + label.pkg + ":" + releaseAconfigValueSetsName + "_" + label.target
 		}
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:release_aconfig_value_sets=%s\n", releaseAconfigValueSets))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:release_version=%s\n", productVariables.ReleaseVersion))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:platform_sdk_version=%d\n", platform_sdk_version))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:safestack=%t\n", proptools.Bool(productVariables.Safestack)))
@@ -481,6 +484,7 @@ func starlarkMapToProductVariables(in map[string]starlark.Value) (android.Produc
 func createTargets(productLabelsToVariables map[bazelLabel]*android.ProductVariables, res map[string]BazelTargets) {
 	createGeneratedAndroidCertificateDirectories(productLabelsToVariables, res)
 	createAvbKeyFilegroups(productLabelsToVariables, res)
+	createReleaseAconfigValueSetsFilegroup(productLabelsToVariables, res)
 	for label, variables := range productLabelsToVariables {
 		createSystemPartition(label, &variables.PartitionVarsForBazelMigrationOnlyDoNotUse, res)
 	}
@@ -515,6 +519,40 @@ func createGeneratedAndroidCertificateDirectories(productLabelsToVariables map[b
 	}
 }
 
+func createReleaseAconfigValueSetsFilegroup(productLabelsToVariables map[bazelLabel]*android.ProductVariables, targets map[string]BazelTargets) {
+	for label, productVariables := range productLabelsToVariables {
+		if len(productVariables.ReleaseAconfigValueSets) > 0 {
+			key := label.target
+			dir := label.pkg
+			var value_sets strings.Builder
+			for _, value_set := range productVariables.ReleaseAconfigValueSets {
+				value_sets.WriteString("        \"" + value_set + "\",\n")
+			}
+
+			name := releaseAconfigValueSetsName + "_" + key
+			content := "aconfig_value_sets(\n" +
+				"    name = \"" + name + "\",\n" +
+				"    value_sets = [\n" +
+				value_sets.String() +
+				"    ],\n" +
+				"    visibility = [\"//visibility:public\"],\n" +
+				")"
+			targets[dir] = append(targets[dir], BazelTarget{
+				name:        name,
+				packageName: dir,
+				content:     content,
+				ruleClass:   "aconfig_value_sets",
+				loads: []BazelLoad{{
+					file: "//build/bazel/rules/aconfig:aconfig_value_sets.bzl",
+					symbols: []BazelLoadSymbol{{
+						symbol: "aconfig_value_sets",
+					}},
+				}},
+			})
+		}
+	}
+}
+
 func createAvbKeyFilegroups(productLabelsToVariables map[bazelLabel]*android.ProductVariables, targets map[string]BazelTargets) {
 	var allAvbKeys []string
 	for _, productVariables := range productLabelsToVariables {