From e7fe0962f4c2d36c558a7cba49bc187f56f7a102 Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@android.com>
Date: Tue, 15 Mar 2022 17:49:24 -0700
Subject: [PATCH] Export the license metadata files for dexpreopted bootjars to
 Make

Track the license metadata file of the module used to dexpreopt
bootjars and pass it to Make.

Bug: 224612665
Test: m alllicensemetadata reportmissinglicenses
Change-Id: I8466c3d8edf7dc44976c2a343bd38799c6617db2
---
 android/module.go          |  8 ++++++++
 java/dexpreopt_bootjars.go | 15 +++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/android/module.go b/android/module.go
index 03d3f80bc..43509c0b5 100644
--- a/android/module.go
+++ b/android/module.go
@@ -456,6 +456,10 @@ type ModuleContext interface {
 	// GetMissingDependencies returns the list of dependencies that were passed to AddDependencies or related methods,
 	// but do not exist.
 	GetMissingDependencies() []string
+
+	// LicenseMetadataFile returns the path where the license metadata for this module will be
+	// generated.
+	LicenseMetadataFile() Path
 }
 
 type Module interface {
@@ -3279,6 +3283,10 @@ func (m *moduleContext) blueprintModuleContext() blueprint.ModuleContext {
 	return m.bp
 }
 
+func (m *moduleContext) LicenseMetadataFile() Path {
+	return m.module.base().licenseMetadataFile
+}
+
 // SrcIsModule decodes module references in the format ":unqualified-name" or "//namespace:name"
 // into the module name, or empty string if the input was not a module reference.
 func SrcIsModule(s string) (module string) {
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index cad9c332a..ee43218df 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -276,6 +276,9 @@ type bootImageConfig struct {
 	// Rules which should be used in make to install the outputs.
 	profileInstalls android.RuleBuilderInstalls
 
+	// Path to the license metadata file for the module that built the profile.
+	profileLicenseMetadataFile android.OptionalPath
+
 	// Path to the image profile file on host (or empty, if profile is not generated).
 	profilePathOnHost android.Path
 
@@ -320,6 +323,9 @@ type bootImageVariant struct {
 
 	// Rules which should be used in make to install the outputs on device.
 	deviceInstalls android.RuleBuilderInstalls
+
+	// Path to the license metadata file for the module that built the image.
+	licenseMetadataFile android.OptionalPath
 }
 
 // Get target-specific boot image variant for the given boot image config and target.
@@ -759,6 +765,7 @@ func buildBootImageVariant(ctx android.ModuleContext, image *bootImageVariant, p
 	image.vdexInstalls = vdexInstalls
 	image.unstrippedInstalls = unstrippedInstalls
 	image.deviceInstalls = deviceInstalls
+	image.licenseMetadataFile = android.OptionalPathForPath(ctx.LicenseMetadataFile())
 }
 
 const failureMessage = `ERROR: Dex2oat failed to compile a boot image.
@@ -807,6 +814,7 @@ func bootImageProfileRule(ctx android.ModuleContext, image *bootImageConfig) and
 	if image == defaultBootImageConfig(ctx) {
 		rule.Install(profile, "/system/etc/boot-image.prof")
 		image.profileInstalls = append(image.profileInstalls, rule.Installs()...)
+		image.profileLicenseMetadataFile = android.OptionalPathForPath(ctx.LicenseMetadataFile())
 	}
 
 	rule.Build("bootJarsProfile", "profile boot jars")
@@ -844,6 +852,7 @@ func bootFrameworkProfileRule(ctx android.ModuleContext, image *bootImageConfig)
 	rule.Install(profile, "/system/etc/boot-image.bprof")
 	rule.Build("bootFrameworkProfile", "profile boot framework jars")
 	image.profileInstalls = append(image.profileInstalls, rule.Installs()...)
+	image.profileLicenseMetadataFile = android.OptionalPathForPath(ctx.LicenseMetadataFile())
 
 	return profile
 }
@@ -909,6 +918,9 @@ func (d *dexpreoptBootJars) MakeVars(ctx android.MakeVarsContext) {
 	image := d.defaultBootImage
 	if image != nil {
 		ctx.Strict("DEXPREOPT_IMAGE_PROFILE_BUILT_INSTALLED", image.profileInstalls.String())
+		if image.profileLicenseMetadataFile.Valid() {
+			ctx.Strict("DEXPREOPT_IMAGE_PROFILE_LICENSE_METADATA", image.profileLicenseMetadataFile.String())
+		}
 
 		global := dexpreopt.GetGlobalConfig(ctx)
 		dexPaths, dexLocations := bcpForDexpreopt(ctx, global.PreoptWithUpdatableBcp)
@@ -934,6 +946,9 @@ func (d *dexpreoptBootJars) MakeVars(ctx android.MakeVarsContext) {
 				ctx.Strict("DEXPREOPT_IMAGE_DEPS_"+sfx, strings.Join(variant.imagesDeps.Strings(), " "))
 				ctx.Strict("DEXPREOPT_IMAGE_BUILT_INSTALLED_"+sfx, variant.installs.String())
 				ctx.Strict("DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_"+sfx, variant.unstrippedInstalls.String())
+				if variant.licenseMetadataFile.Valid() {
+					ctx.Strict("DEXPREOPT_IMAGE_LICENSE_METADATA_"+sfx, variant.licenseMetadataFile.String())
+				}
 			}
 			imageLocationsOnHost, imageLocationsOnDevice := current.getAnyAndroidVariant().imageLocations()
 			ctx.Strict("DEXPREOPT_IMAGE_LOCATIONS_ON_HOST"+current.name, strings.Join(imageLocationsOnHost, ":"))