[WIP] [Modernize] Update project to use modern gradle practices

build.gradle.kts

@@ -2,67 +2,85 @@ import com.gradle.publish.PublishTask.GRADLE_PUBLISH_KEY
 import com.gradle.publish.PublishTask.GRADLE_PUBLISH_SECRET
 
 plugins {
-    id("groovy")
-    id("com.gradle.plugin-publish") version "1.2.0"
-    id("java-gradle-plugin")
+  id("groovy")
+  id("org.jetbrains.kotlin.jvm") version "1.8.20"
+  id("io.gitlab.arturbosch.detekt") version "1.22.0"
+  id("com.gradle.plugin-publish") version "1.2.0"
+  id("java-gradle-plugin")
 }
 
 val setupPluginUpload by tasks.registering {
-    // TODO switch this to use github action
-    if ("CI" in System.getenv() && "TRAVIS" in System.getenv()) {
-        // Used for publishing from Travis
+  // TODO switch this to use github action
+  if ("CI" in System.getenv() && "TRAVIS" in System.getenv()) {
+    // Used for publishing from Travis
 
-        val key = System.getenv(GRADLE_PUBLISH_KEY) ?: System.getProperty(GRADLE_PUBLISH_KEY)
-        val secret = System.getenv(GRADLE_PUBLISH_SECRET) ?: System.getProperty(GRADLE_PUBLISH_SECRET)
+    val key = System.getenv(GRADLE_PUBLISH_KEY) ?: System.getProperty(GRADLE_PUBLISH_KEY)
+    val secret = System.getenv(GRADLE_PUBLISH_SECRET) ?: System.getProperty(GRADLE_PUBLISH_SECRET)
 
-        if (key == null || secret == null) {
-            error("GRADLE_PUBLISH_KEY and/or GRADLE_PUBLISH_SECRET are not defined environment variables")
-        }
-
-        System.setProperty(GRADLE_PUBLISH_KEY, key)
-        System.setProperty(GRADLE_PUBLISH_SECRET, secret)
+    if (key == null || secret == null) {
+      error("GRADLE_PUBLISH_KEY and/or GRADLE_PUBLISH_SECRET are not defined environment variables")
     }
+
+    System.setProperty(GRADLE_PUBLISH_KEY, key)
+    System.setProperty(GRADLE_PUBLISH_SECRET, secret)
+  }
 }
 
 tasks.named("publishPlugins") {
-    dependsOn(setupPluginUpload)
+  dependsOn(setupPluginUpload)
 }
 
 group = "org.assertj"
 version = "2.2.0-SNAPSHOT"
 
 gradlePlugin {
-    website.set("https://github.com/assertj/assertj-generator-gradle-plugin")
-    vcsUrl.set("https://github.com/assertj/assertj-generator-gradle-plugin.git")
+  website.set("https://github.com/assertj/assertj-generator-gradle-plugin")
+  vcsUrl.set("https://github.com/assertj/assertj-generator-gradle-plugin.git")
 
-    plugins {
-        create("assertJGeneratorPlugin") {
-            id = "org.assertj.generator"
+  plugins {
+    create("assertJGeneratorPlugin") {
+      id = "org.assertj.generator"
 
-            displayName = "AssertJ Generator Gradle Plugin"
-            description = "Run the AssertJ generator against your source files to generate test sources."
+      displayName = "AssertJ Generator Gradle Plugin"
+      description = "Run the AssertJ generator against your source files to generate test sources."
 
-            tags.set(listOf("assertj", "testing", "generator"))
+      tags.set(listOf("assertj", "testing", "generator"))
 
-            implementationClass = "org.assertj.generator.gradle.AssertJGeneratorGradlePlugin"
-        }
+      implementationClass = "org.assertj.generator.gradle.AssertJGeneratorGradlePlugin"
     }
+  }
 }
 
 repositories {
-    mavenCentral()
+  mavenCentral()
 }
 
 dependencies {
-    api(gradleApi())
-    api(localGroovy())
+  api(gradleApi())
+
+  api("org.assertj:assertj-core:3.24.2")
+  api("org.assertj:assertj-assertions-generator:2.2.1")
+
+  implementation(gradleKotlinDsl())
+  implementation("com.google.guava:guava:31.1-jre")
+
+  testCompileOnly("org.jetbrains:annotations:24.0.1")
 
-    api("org.assertj:assertj-core:3.24.2")
-    api("org.assertj:assertj-assertions-generator:2.2.1")
+  testImplementation(gradleTestKit())
+  testImplementation("junit:junit:4.13.2")
+}
+
+detekt {
+    parallel = true
+    autoCorrect = true
 
-    implementation("com.google.guava:guava:31.1-jre")
+    buildUponDefaultConfig = true // preconfigure defaults
+    config = files("$rootDir/config/detekt-config.yml")
 
-    testImplementation(gradleTestKit())
-    testImplementation("junit:junit:4.13.2")
+    allRules = false // activate all available (even unstable) rules.
+}
+
+dependencies {
+    detektPlugins("io.gitlab.arturbosch.detekt:detekt-formatting:1.22.0")
 }
 

config/detekt-config.yml

@@ -0,0 +1,20 @@
+formatting:
+  active: true
+  Indentation:
+    active: true
+    indentSize: 2
+  PackageName:
+    active: false
+
+style:
+  active: true
+  ReturnCount:
+    max: 4
+
+complexity:
+  LongMethod:
+    excludes: [ '**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**' ]
+
+naming:
+  PackageNaming:
+    packagePattern: '[a-z]+(\.[a-z][A-Za-z0-9_]*)*'