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"

build.gradle.kts

@@ -4,6 +4,7 @@ plugins {
     alias(libs.plugins.kotlin)
     alias(libs.plugins.binary.compatibility.validator)
     `maven-publish`
+    signing
 }
 
 group = "your.org"
@@ -24,7 +25,8 @@ kotlin {
     jvmToolchain(11)
 }
 
-tasks.withType(Jar::class) {
+tasks {
+    withType(Jar::class) {
         manifest {
             attributes["Name"] = "Your Patches"
             attributes["Description"] = "Patches for ReVanced."
@@ -36,37 +38,36 @@ tasks.withType(Jar::class) {
             attributes["Origin"] = "https://your.homepage"
             attributes["License"] = "GNU General Public License v3.0"
         }
-}
+    }
 
-tasks {
-    register<DefaultTask>("generateBundle") {
-        description = "Generate DEX files and add them in the JAR file"
-
-        dependsOn(build)
+    register("buildDexJar") {
+        description = "Build and add a DEX to the JAR file"
+        group = "build"
 
         doLast {
             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")
             }
         }
     }
 
-    // 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")
+    publish {
+        dependsOn(build)
+        dependsOn("buildDexJar")
     }
 }
 
@@ -102,3 +103,9 @@ publishing {
         }
     }
 }
+
+signing {
+    useGpgCmd()
+    sign(publishing.publications["revanced-patches-publication"])
+    sign(configurations.archives.get()).first().dependsOn("buildDexJar")
+}