Merge "Add the ability to always run errorprone inline" into main
diff --git a/android/logtags.go b/android/logtags.go
index 1e92dad..abc37f9 100644
--- a/android/logtags.go
+++ b/android/logtags.go
@@ -14,10 +14,56 @@
 
 package android
 
-import "github.com/google/blueprint"
+import (
+	"strings"
+
+	"github.com/google/blueprint"
+)
+
+func init() {
+	RegisterParallelSingletonType("logtags", LogtagsSingleton)
+}
 
 type LogtagsInfo struct {
 	Logtags Paths
 }
 
 var LogtagsProviderKey = blueprint.NewProvider[*LogtagsInfo]()
+
+func LogtagsSingleton() Singleton {
+	return &logtagsSingleton{}
+}
+
+type logtagsSingleton struct{}
+
+func MergedLogtagsPath(ctx PathContext) OutputPath {
+	return PathForIntermediates(ctx, "all-event-log-tags.txt")
+}
+
+func (l *logtagsSingleton) GenerateBuildActions(ctx SingletonContext) {
+	var allLogtags Paths
+	ctx.VisitAllModules(func(module Module) {
+		if !module.ExportedToMake() {
+			return
+		}
+		if logtagsInfo, ok := OtherModuleProvider(ctx, module, LogtagsProviderKey); ok {
+			allLogtags = append(allLogtags, logtagsInfo.Logtags...)
+		}
+	})
+	allLogtags = SortedUniquePaths(allLogtags)
+	filteredLogTags := make([]Path, 0, len(allLogtags))
+	for _, p := range allLogtags {
+		// Logic copied from make:
+		// https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/Makefile;l=987;drc=0585bb1bcf4c89065adaf709f48acc8b869fd3ce
+		if !strings.HasPrefix(p.String(), "vendor/") && !strings.HasPrefix(p.String(), "device/") && !strings.HasPrefix(p.String(), "out/") {
+			filteredLogTags = append(filteredLogTags, p)
+		}
+	}
+
+	builder := NewRuleBuilder(pctx, ctx)
+	builder.Command().
+		BuiltTool("merge-event-log-tags").
+		FlagWithOutput("-o ", MergedLogtagsPath(ctx)).
+		Inputs(filteredLogTags)
+	builder.Build("all-event-log-tags.txt", "merge logtags")
+}
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 1d32b8f..b30c0f7 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -465,7 +465,7 @@
 }
 
 func (f *filesystem) appendToEntry(ctx android.ModuleContext, installedFile android.Path) {
-	partitionBaseDir := android.PathForModuleOut(ctx, "root", proptools.String(f.properties.Base_dir)).String() + "/"
+	partitionBaseDir := android.PathForModuleOut(ctx, f.rootDirString(), proptools.String(f.properties.Base_dir)).String() + "/"
 
 	relPath, inTargetPartition := strings.CutPrefix(installedFile.String(), partitionBaseDir)
 	if inTargetPartition {
@@ -555,8 +555,12 @@
 	builder.Command().Textf("cp -prf %s/* %s", rebasedDir, installPath)
 }
 
+func (f *filesystem) rootDirString() string {
+	return f.partitionName()
+}
+
 func (f *filesystem) buildImageUsingBuildImage(ctx android.ModuleContext) android.Path {
-	rootDir := android.PathForModuleOut(ctx, "root").OutputPath
+	rootDir := android.PathForModuleOut(ctx, f.rootDirString()).OutputPath
 	rebasedDir := rootDir
 	if f.properties.Base_dir != nil {
 		rebasedDir = rootDir.Join(ctx, *f.properties.Base_dir)
@@ -783,7 +787,7 @@
 		ctx.PropertyErrorf("include_make_built_files", "include_make_built_files is not supported for compressed cpio image.")
 	}
 
-	rootDir := android.PathForModuleOut(ctx, "root").OutputPath
+	rootDir := android.PathForModuleOut(ctx, f.rootDirString()).OutputPath
 	rebasedDir := rootDir
 	if f.properties.Base_dir != nil {
 		rebasedDir = rootDir.Join(ctx, *f.properties.Base_dir)
@@ -868,29 +872,10 @@
 		return
 	}
 
-	logtagsFilePaths := make(map[string]bool)
-	ctx.WalkDeps(func(child, parent android.Module) bool {
-		if logtagsInfo, ok := android.OtherModuleProvider(ctx, child, android.LogtagsProviderKey); ok {
-			for _, path := range logtagsInfo.Logtags {
-				logtagsFilePaths[path.String()] = true
-			}
-		}
-		return true
-	})
-
-	if len(logtagsFilePaths) == 0 {
-		return
-	}
-
 	etcPath := rebasedDir.Join(ctx, "etc")
 	eventLogtagsPath := etcPath.Join(ctx, "event-log-tags")
 	builder.Command().Text("mkdir").Flag("-p").Text(etcPath.String())
-	cmd := builder.Command().BuiltTool("merge-event-log-tags").
-		FlagWithArg("-o ", eventLogtagsPath.String())
-
-	for _, path := range android.SortedKeys(logtagsFilePaths) {
-		cmd.Text(path)
-	}
+	builder.Command().Text("cp").Input(android.MergedLogtagsPath(ctx)).Text(eventLogtagsPath.String())
 
 	f.appendToEntry(ctx, eventLogtagsPath)
 }
diff --git a/filesystem/filesystem_test.go b/filesystem/filesystem_test.go
index 0ed3870..2dcb23d 100644
--- a/filesystem/filesystem_test.go
+++ b/filesystem/filesystem_test.go
@@ -181,7 +181,7 @@
 	`)
 
 	module := result.ModuleForTests("myfilesystem", "android_common")
-	output := module.Output("out/soong/.intermediates/myfilesystem/android_common/root/system/etc/linker.config.pb")
+	output := module.Output("out/soong/.intermediates/myfilesystem/android_common/myfilesystem/system/etc/linker.config.pb")
 
 	fullCommand := output.RuleParams.Command
 	startIndex := strings.Index(fullCommand, "conv_linker_config")
diff --git a/filesystem/fsverity_metadata.go b/filesystem/fsverity_metadata.go
index 6372c5e..91b8c57 100644
--- a/filesystem/fsverity_metadata.go
+++ b/filesystem/fsverity_metadata.go
@@ -85,6 +85,18 @@
 		f.appendToEntry(ctx, destPath)
 	}
 
+	fsVerityBaseDir := rootDir.String()
+	if f.PartitionType() == "system_ext" {
+		// Use the equivalent of $PRODUCT_OUT as the base dir.
+		// This ensures that the paths in build_manifest.pb contain on-device paths
+		// e.g. system_ext/framework/javalib.jar
+		// and not framework/javalib.jar.
+		//
+		// Although base-dir is outside the rootdir provided for packaging, this action
+		// is hermetic since it uses `manifestGeneratorListPath` to filter the files to be written to build_manifest.pb
+		fsVerityBaseDir = filepath.Dir(rootDir.String())
+	}
+
 	// STEP 2: generate signed BuildManifest.apk
 	// STEP 2-1: generate build_manifest.pb
 	manifestGeneratorListPath := android.PathForModuleOut(ctx, "fsverity_manifest.list")
@@ -96,7 +108,7 @@
 	builder.Command().
 		BuiltTool("fsverity_manifest_generator").
 		FlagWithInput("--fsverity-path ", fsverityPath).
-		FlagWithArg("--base-dir ", rootDir.String()).
+		FlagWithArg("--base-dir ", fsVerityBaseDir).
 		FlagWithArg("--output ", manifestPbPath.String()).
 		FlagWithInput("@", manifestGeneratorListPath)
 
diff --git a/rust/proc_macro.go b/rust/proc_macro.go
index 1ff6637..28ed68b 100644
--- a/rust/proc_macro.go
+++ b/rust/proc_macro.go
@@ -67,6 +67,7 @@
 func (procMacro *procMacroDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
 	flags = procMacro.baseCompiler.compilerFlags(ctx, flags)
 	flags.RustFlags = append(flags.RustFlags, "--extern proc_macro")
+	flags.RustFlags = append(flags.RustFlags, "-C metadata="+ctx.ModuleName())
 	return flags
 }