temporarily revert root build.gradle back to groovy (#1503)

build.gradle

@@ -0,0 +1,117 @@
+plugins {
+  id 'org.jetbrains.kotlin.jvm' apply false
+  alias(libs.plugins.checksum)
+  alias(libs.plugins.shadow)
+  alias(libs.plugins.githubRelease)
+//  id 'nebula.lint' version '17.5.0'
+}
+
+def isKotlinDev = project.hasProperty('isKotlinDev')
+
+allprojects { p ->
+  if (isKotlinDev) {
+    String definedVersion = p.ext."VERSION_NAME".minus("-SNAPSHOT")
+    p.ext."VERSION_NAME" = "$definedVersion-kotlin-dev-SNAPSHOT".toString()
+  }
+
+  tasks.withType(Test).configureEach {
+    it.useJUnitPlatform()
+  }
+}
+
+configurations {
+  ktlint
+}
+
+dependencies {
+  ktlint projects.ktlint
+}
+
+task ktlint(type: JavaExec, group: LifecycleBasePlugin.VERIFICATION_GROUP) {
+  description = "Check Kotlin code style including experimental rules."
+  classpath = configurations.ktlint
+  mainClass.set("com.pinterest.ktlint.Main")
+  // Experimental rules run by default run on the ktlint code base itself. Experimental rules should not be released if
+  // we are not pleased ourselves with the results on the ktlint code base.
+  // Sources in "ktlint/src/test/resources" are excluded as those source contain lint errors that have to be detected by
+  // unit tests and should not be reported/fixed.
+  args '**/src/**/*.kt', '!ktlint/src/test/resources/**', '--baseline=ktlint/src/test/resources/test-baseline.xml', '--experimental', '--verbose'
+}
+
+// Deployment tasks
+String getGithubToken() {
+  if (project.hasProperty("servers.github.privKey")) {
+    return project.'servers.github.privKey'
+  } else {
+    logger.warn("No github token specified")
+    return ""
+  }
+}
+
+// Explicitly adding dependency on "shadowJarExecutable" as Gradle does not it set via "releaseAssets" property
+tasks.named("githubRelease") {
+  dependsOn { projects.ktlint.dependencyProject.tasks.named("shadowJarExecutable") }
+}
+
+githubRelease {
+  token getGithubToken()
+  owner "pinterest"
+  repo "ktlint"
+  tagName project.properties['VERSION_NAME']
+  releaseName project.properties['VERSION_NAME']
+  releaseAssets project.files({
+    // "shadowJarExecutableChecksum" task does not declare checksum files
+    // as output, only the whole output directory. As it uses the same directory
+    // as "shadowJarExecutable" - just pass all the files from that directory
+    projects.ktlint.dependencyProject.tasks.named("shadowJarExecutable").get()
+      .outputs
+      .files
+      .getFiles()
+      .first()
+      .parentFile
+      .listFiles()
+  })
+  overwrite true
+  dryRun false
+  body {
+    String changelog = project.file("CHANGELOG.md").text
+    changelog = changelog.substring(changelog.indexOf("## "))
+    // 1 in indexOf here to skip first "## [" occurence
+    changelog.substring(0, changelog.indexOf("## [", 1))
+  }
+}
+
+// Put "servers.github.privKey" in "$HOME/.gradle/gradle.properties".
+def announceTask = tasks.register("announceRelease", Exec.class) { announceTask ->
+  group = "Help"
+  description = "Runs .announce script"
+  subprojects
+    .findAll { !it.name.contains("ktlint-ruleset-template") }
+    .each { subproject ->
+      announceTask.dependsOn subproject.tasks.named("publishMavenPublicationToMavenCentralRepository")
+    }
+
+  commandLine './.announce', '-y'
+  environment VERSION: "${project.'VERSION_NAME'}"
+  environment GITHUB_TOKEN: "${getGithubToken()}"
+}
+
+def homebrewTask = tasks.register("homebrewBumpFormula", Exec.class) { homebrewTask ->
+  group "Help"
+  description "Runs brew bump-forumula-pr"
+  commandLine './.homebrew'
+  environment VERSION: "${project.'VERSION_NAME'}"
+  dependsOn(tasks.named("githubRelease"))
+}
+
+tasks.register("publishNewRelease", DefaultTask.class) {
+  group = "Help"
+  description = "Triggers uploading new archives and publish announcements"
+  dependsOn(announceTask, homebrewTask, tasks.named("githubRelease"))
+}
+
+tasks.withType(Wrapper).configureEach {
+  gradleVersion = libs.versions.gradle
+  distributionSha256Sum = libs.versions.gradleSha256
+  distributionType = Wrapper.DistributionType.BIN
+}