spring-boot-demo/gradle9/after/build.gradle.kts

plugins {
    java
    alias(libs.plugins.spring.boot)
    alias(libs.plugins.dependency.management)
}

group = "com.ankurm"
version = "0.0.1"

tasks.withType<JavaCompile>().configureEach { options.release = 17 }

base { archivesName = "g9demo" }

repositories { mavenCentral() }

dependencies {
    implementation(libs.starter.webmvc)
    testImplementation(libs.starter.webmvc.test)
}

// Configuration-cache-safe: a typed task whose inputs are Property/Provider values,
// so nothing reaches back into the script or Project when the task executes.
abstract class BuildInfo : DefaultTask() {
    @get:Input abstract val text: Property<String>
    @get:OutputFile abstract val target: RegularFileProperty
    @TaskAction fun write() { target.get().asFile.writeText(text.get()) }
}

tasks.register<BuildInfo>("buildInfo") {
    val prefix = "${project.name} ${project.version} "          // read at configuration time
    text = providers.environmentVariable("BUILD_STAMP").orElse("local").map { "$prefix$it\n" }
    target = layout.buildDirectory.file("build-info.txt")
}

tasks.named<Test>("test") { useJUnitPlatform() }