[DON-2261] Migrate Gradle build scripts from Groovy to Kotlin DSL (#2532)

* [DON-2261] Migrate Gradle build scripts from Groovy to Kotlin DSL

* [DON-2261] Remove older no longer used dependency definitions from libs.versions.toml
Removed incorrect afterEvaluate block.

* Donburi/extract sdk versions and resolve toml plugin detection (#2560)

* copyright

* donburi/extract-sdk-versions-and-resolve-toml-plugin-detection

* donburi/extract-sdk-versions-and-resolve-toml-plugin-detection

* donburi/extract-sdk-versions-and-resolve-toml-plugin-detection

---------

Co-authored-by: lokmane.krizou@skyscanner.net <lokmane.krizou@skyscanner.net>

* added accediently removed dependencies

* remove compiler

---------

Co-authored-by: Lokmane Krizou <lokmanekrizou@skyscanner.net>
Co-authored-by: lokmane.krizou@skyscanner.net <lokmane.krizou@skyscanner.net>

Author: 3 people

.gitignore

@@ -98,6 +98,7 @@ gen-external-apklibs
 .idea/**/sqlDataSources.xml
 .idea/**/dynamic.xml
 .idea/**/uiDesigner.xml
+.idea/compiler.xml
 
 # Gradle:
 .idea/**/gradle.xml

.idea/compiler.xml

@@ -17,40 +17,47 @@
  */
 
 plugins {
-    id("com.android.library")
-    id("kotlin-android")
+    id("backpack.android-library")
+    id("backpack.publishing")
 }
 
-extra["artifactId"] = "backpack-android"
-
-apply(from = "$rootDir/gradle-maven-push.gradle")
-apply(from = "$rootDir/android-configuration.gradle")
+backpackPublishing {
+    artifactId = "backpack-android"
+}
 
 android {
     namespace = "net.skyscanner.backpack"
 }
 
 dependencies {
+    // Module-specific dependencies
     api(libs.google.material)
     api(libs.androidx.constraintLayout)
     api(libs.androidx.cardView)
     api(libs.google.maps)
     implementation(libs.androidx.swiperefreshLayout)
     implementation(libs.androidx.coreKts)
+
+    // Test dependencies
+    testImplementation(libs.test.junit)
     androidTestImplementation(libs.test.junitAndroid)
     androidTestImplementation(libs.test.junitKtx)
     androidTestImplementation(libs.test.espressoCore)
     androidTestImplementation(libs.test.espressoContrib)
     androidTestImplementation(libs.test.rules)
     androidTestImplementation(libs.test.mockitoKotlin)
     androidTestImplementation(libs.test.mockitoAndroid)
-    androidTestImplementation(libs.test.junit)
     androidTestImplementation(libs.test.coroutines)
 
     api(project(":backpack-common"))
     lintPublish(project(":backpack-lint"))
+
+    // Detekt rules
+    detektPlugins(libs.detektRules.compose)
+    detektPlugins(libs.detektRules.formatting)
+    detektPlugins(libs.detektRules.libraries)
 }
 
 apply(from = "tokens.gradle.kts")
 
-apply(from = "$rootDir/android-configuration-check.gradle")
+apply(from = "$rootDir/android-configuration-check.gradle.kts")

Backpack/build.gradle.kts

@@ -16,10 +16,10 @@
  * limitations under the License.
  */
 
-task lintOssDebug {
+tasks.register("lintOssDebug") {
     dependsOn("lintDebug")
 }
 
-task testOssDebugUnitTest {
+tasks.register("testOssDebugUnitTest") {
     dependsOn("testDebugUnitTest")
 }

android-configuration-check.gradle android-configuration-check.gradle.ktsandroid-configuration-check.gradle renamed to android-configuration-check.gradle.kts

@@ -0,0 +1,69 @@
+/**
+ * Backpack for Android - Skyscanner's Design System
+ *
+ * Copyright 2018 - 2026 Skyscanner Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import com.android.build.gradle.LibraryExtension
+import org.gradle.accessors.dm.LibrariesForLibs
+import org.jetbrains.kotlin.gradle.dsl.KotlinProjectExtension
+
+val libs = the<LibrariesForLibs>()
+
+configure<LibraryExtension> {
+    compileSdk = 36
+
+    defaultConfig {
+        minSdk = 28
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    lint {
+        lintConfig = file("$rootDir/lint.xml")
+        baseline = file("$projectDir/lint-baseline.xml")
+        checkReleaseBuilds = false // we're already running lint separately
+        warningsAsErrors = true
+        disable += "UnusedResources" // we're exposing resources for consumers
+        targetSdk = 35
+    }
+
+    buildFeatures {
+        buildConfig = false
+    }
+}
+
+configure<KotlinProjectExtension> {
+    jvmToolchain(17)
+}
+
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
+    compilerOptions {
+        freeCompilerArgs.add("-opt-in=kotlin.RequiresOptIn")
+        freeCompilerArgs.add("-opt-in=net.skyscanner.backpack.util.InternalBackpackApi")
+    }
+}
+
+dependencies {
+    "api"(libs.androidx.annotations)
+    "api"(libs.kotlin.stdlib)
+    "api"(libs.kotlin.coroutines)
+    "api"(libs.androidx.appCompat)
+}
+