build: Sign release artifacts

.github/workflows/release.yml

@@ -41,6 +41,13 @@ jobs:
       - name: Install dependencies
         run: npm install
 
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+          fingerprint: ${{ env.GPG_FINGERPRINT }}
+
       - name: Release
         env:
           GITHUB_TOKEN: ${{ secrets.REPOSITORY_PUSH_ACCESS }}

.releaserc

@@ -33,7 +33,7 @@
       {
         "assets": [
           {
-            "path": "build/libs/*.jar"
+            "path": "build/libs/revanced-patches*"
           },
           {
             "path": "patches.json"

api/revanced-patches.api

@@ -1,3 +1,7 @@
+public final class app/revanced/generator/MainKt {
+	public static synthetic fun main ([Ljava/lang/String;)V
+}
+
 public final class app/revanced/patches/all/activity/exportall/ExportAllActivitiesPatch : app/revanced/patcher/patch/ResourcePatch {
 	public static final field INSTANCE Lapp/revanced/patches/all/activity/exportall/ExportAllActivitiesPatch;
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V

build.gradle.kts

@@ -1,9 +1,10 @@
 import org.gradle.kotlin.dsl.support.listFilesOrdered
 
 plugins {
-    kotlin("jvm") version "1.9.22"
+    alias(libs.plugins.kotlin)
     alias(libs.plugins.binary.compatibility.validator)
     `maven-publish`
+    signing
 }
 
 group = "app.revanced"
@@ -12,7 +13,14 @@ repositories {
     mavenCentral()
     mavenLocal()
     google()
-    maven { url = uri("https://jitpack.io") }
+    maven {
+        // A repository must be speficied for some reason. "registry" is a dummy.
+        url = uri("https://maven.pkg.github.com/revanced/registry")
+        credentials {
+            username = project.findProperty("gpr.user") as String? ?: System.getenv("GITHUB_ACTOR")
+            password = project.findProperty("gpr.key") as String? ?: System.getenv("GITHUB_TOKEN")
+        }
+    }
 }
 
 dependencies {
@@ -28,7 +36,8 @@ kotlin {
     jvmToolchain(11)
 }
 
-tasks.withType(Jar::class) {
+tasks {
+    withType(Jar::class) {
         exclude("app/revanced/meta")
 
         manifest {
@@ -44,9 +53,9 @@ tasks.withType(Jar::class) {
         }
     }
 
-tasks {
-    register<DefaultTask>("generateBundle") {
-        description = "Generate DEX files and add them in the JAR file"
+    register("buildDexJar") {
+        description = "Build and add a DEX to the JAR file"
+        group = "build"
 
         dependsOn(build)
 
@@ -54,35 +63,35 @@ tasks {
             val d8 = File(System.getenv("ANDROID_HOME")).resolve("build-tools")
                 .listFilesOrdered().last().resolve("d8").absolutePath
 
-            val artifacts = configurations.archives.get().allArtifacts.files.files.first().absolutePath
+            val patchesJar = configurations.archives.get().allArtifacts.files.files.first().absolutePath
             val workingDirectory = layout.buildDirectory.dir("libs").get().asFile
 
             exec {
                 workingDir = workingDirectory
-                commandLine = listOf(d8, artifacts)
+                commandLine = listOf(d8, patchesJar)
             }
 
             exec {
                 workingDir = workingDirectory
-                commandLine = listOf("zip", "-u", artifacts, "classes.dex")
+                commandLine = listOf("zip", "-u", patchesJar, "classes.dex")
             }
         }
     }
 
-    register<JavaExec>("generateMeta") {
-        description = "Generate metadata for this bundle"
+    register<JavaExec>("generatePatchesFiles") {
+        description = "Generate patches files"
 
         dependsOn(build)
 
         classpath = sourceSets["main"].runtimeClasspath
-        mainClass.set("app.revanced.meta.IPatchesFileGenerator")
+        mainClass.set("app.revanced.generator.MainKt")
     }
 
-    // Required to run tasks because Gradle semantic-release plugin runs the publish task.
+    // Needed by gradle-semantic-release-plugin.
     // Tracking: https://github.com/KengoTODA/gradle-semantic-release-plugin/issues/435
-    named("publish") {
-        dependsOn("generateBundle")
-        dependsOn("generateMeta")
+    publish {
+        dependsOn("buildDexJar")
+        dependsOn("generatePatchesFiles")
     }
 }
 
@@ -118,3 +127,9 @@ publishing {
         }
     }
 }
+
+signing {
+    useGpgCmd()
+
+    sign(publishing.publications["revanced-patches-publication"])
+}

gradle/libs.versions.toml

@@ -1,9 +1,10 @@
 [versions]
-revanced-patcher = "19.2.0"
+revanced-patcher = "19.3.1"
 smali = "3.0.4"
 guava = "33.0.0-jre"
 gson = "2.10.1"
 binary-compatibility-validator = "0.14.0"
+kotlin = "1.9.22"
 
 [libraries]
 revanced-patcher = { module = "app.revanced:revanced-patcher", version.ref = "revanced-patcher" }
@@ -13,3 +14,4 @@ gson = { module = "com.google.code.gson:gson", version.ref = "gson" }
 
 [plugins]
 binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version.ref = "binary-compatibility-validator" }
+kotlin = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }

src/main/kotlin/app/revanced/generator/JsonPatchesFileGenerator.kt

@@ -1,11 +1,11 @@
-package app.revanced.meta
+package app.revanced.generator
 
 import app.revanced.patcher.PatchSet
 import app.revanced.patcher.patch.Patch
 import com.google.gson.GsonBuilder
 import java.io.File
 
-internal class JsonPatchesFileGenerator : IPatchesFileGenerator {
+internal class JsonPatchesFileGenerator : PatchesFileGenerator {
     override fun generate(patches: PatchSet) = patches.map {
         JsonPatch(
             it.name!!,
@@ -20,9 +20,9 @@ internal class JsonPatchesFileGenerator : IPatchesFileGenerator {
                     option.values,
                     option.title,
                     option.description,
-                    option.required
+                    option.required,
                 )
-            }
+            },
         )
     }.let {
         File("patches.json").writeText(GsonBuilder().serializeNulls().create().toJson(it))
@@ -35,7 +35,7 @@ internal class JsonPatchesFileGenerator : IPatchesFileGenerator {
         val compatiblePackages: Set<Patch.CompatiblePackage>? = null,
         val use: Boolean = true,
         val requiresIntegrations: Boolean = false,
-        val options: List<Option>
+        val options: List<Option>,
     ) {
         class Option(
             val key: String,

src/main/kotlin/app/revanced/generator/Main.kt

@@ -0,0 +1,12 @@
+package app.revanced.generator
+
+import app.revanced.patcher.PatchBundleLoader
+import java.io.File
+
+internal fun main() = PatchBundleLoader.Jar(
+    File("build/libs/").listFiles { it -> it.name.endsWith(".jar") }!!.first(),
+).also { loader ->
+    if (loader.isEmpty()) throw IllegalStateException("No patches found")
+}.let { bundle ->
+    arrayOf(JsonPatchesFileGenerator()).forEach { generator -> generator.generate(bundle) }
+}

src/main/kotlin/app/revanced/generator/PatchesFileGenerator.kt

@@ -0,0 +1,7 @@
+package app.revanced.generator
+
+import app.revanced.patcher.PatchSet
+
+internal interface PatchesFileGenerator {
+    fun generate(patches: PatchSet)
+}

src/main/kotlin/app/revanced/meta/IPatchesFileGenerator.kt

@@ -1,20 +0,0 @@
-package app.revanced.meta
-
-import app.revanced.patcher.PatchBundleLoader
-import app.revanced.patcher.PatchSet
-import java.io.File
-
-internal interface IPatchesFileGenerator {
-    fun generate(patches: PatchSet)
-
-    private companion object {
-        @JvmStatic
-        fun main(args: Array<String>) = PatchBundleLoader.Jar(
-            File("build/libs/").listFiles { it -> it.name.endsWith(".jar") }!!.first()
-        ).also { loader ->
-            if (loader.isEmpty()) throw IllegalStateException("No patches found")
-        }.let { bundle ->
-            arrayOf(JsonPatchesFileGenerator()).forEach { generator -> generator.generate(bundle) }
-        }
-    }
-}