build: refactor build script

build.gradle.kts

@@ -7,13 +7,8 @@ base {
     archivesName = properties["archives_base_name"] as String
     group = properties["maven_group"] as String
 
-    val suffix = if (project.hasProperty("build_number")) {
-        project.findProperty("build_number")
-    } else {
-        "local"
-    }
-
-    version = libs.versions.minecraft.get() + "-" + suffix
+    val suffix = providers.gradleProperty("build_number").getOrElse("local")
+    version = "${libs.versions.minecraft.get()}-$suffix"
 }
 
 repositories {
@@ -69,8 +64,6 @@ configurations {
     }
 }
 
-sourceSets.create("launcher")
-
 dependencies {
     // Fabric
     minecraft(libs.minecraft)
@@ -103,15 +96,23 @@ dependencies {
 }
 
 sourceSets {
-    val launcher = getByName("launcher")
-
-    launcher.apply {
+    val launcher by creating {
         java {
             srcDir("src/launcher/java")
         }
     }
 }
 
+java {
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
+
+    if (System.getenv("CI")?.toBoolean() == true) {
+        withSourcesJar()
+        withJavadocJar()
+    }
+}
+
 // Handle transitive dependencies for jar-in-jar
 // Based on implementation from BaseProject by FlorianMichael/EnZaXD
 // Source: https://github.com/FlorianMichael/BaseProject/blob/main/src/main/kotlin/de/florianmichael/baseproject/Fabric.kt
@@ -148,8 +149,8 @@ loom {
 
 tasks {
     processResources {
-        val buildNumber = project.findProperty("build_number")?.toString() ?: ""
-        val commit = project.findProperty("commit")?.toString() ?: ""
+        val buildNumber = providers.gradleProperty("build_number").getOrElse("")
+        val commit = providers.gradleProperty("commit").getOrElse("")
 
         val propertyMap = mapOf(
             "version" to project.version,
@@ -166,7 +167,7 @@ tasks {
     }
 
     // Compile launcher with Java 8 for backwards compatibility
-    getByName<JavaCompile>("compileLauncherJava") {
+    named<JavaCompile>("compileLauncherJava").configure {
         sourceCompatibility = JavaVersion.VERSION_1_8.toString()
         targetCompatibility = JavaVersion.VERSION_1_8.toString()
         options.compilerArgs.add("-Xlint:-options")
@@ -180,28 +181,20 @@ tasks {
         }
 
         // Include launcher classes
-        val launcher = sourceSets.getByName("launcher")
-        from(launcher.output.classesDirs)
-        from(launcher.output.resourcesDir)
+        from(sourceSets["launcher"].output)
 
         manifest {
             attributes["Main-Class"] = "meteordevelopment.meteorclient.Main"
         }
     }
 
-    java {
-        sourceCompatibility = JavaVersion.VERSION_21
-        targetCompatibility = JavaVersion.VERSION_21
-
-        if (System.getenv("CI")?.toBoolean() == true) {
-            withSourcesJar()
-            withJavadocJar()
-        }
-    }
-
-    withType<JavaCompile> {
-        options.compilerArgs.add("-Xlint:deprecation")
-        options.compilerArgs.add("-Xlint:unchecked")
+    withType<JavaCompile>().configureEach {
+        options.compilerArgs.addAll(
+            listOf(
+                "-Xlint:deprecation",
+                "-Xlint:unchecked"
+            )
+        )
     }
 
     javadoc {
@@ -225,7 +218,7 @@ publishing {
             from(components["java"])
             artifactId = "meteor-client"
 
-            version = libs.versions.minecraft.get() + "-SNAPSHOT"
+            version = "${libs.versions.minecraft.get()}-SNAPSHOT"
         }
     }