chore(build): add spotless for build files

Author: simschla

build-logic/build.gradle

@@ -7,9 +7,24 @@
 plugins {
     // Support convention plugins written in Groovy. Convention plugins are build scripts in 'src/main' that automatically become available as plugins in the main build.
     id 'groovy-gradle-plugin'
+    id 'com.diffplug.spotless'
 }
 
 repositories {
     // Use the plugin portal to apply community plugins in convention plugins.
     gradlePluginPortal()
 }
+
+spotless {
+    encoding 'UTF-8'
+
+    groovy {
+        importOrder('java|javax', 'org', 'com', 'com.diffplug', '', '\\#')
+        removeSemicolons()
+        greclipse()
+        excludeJava()
+    }
+    groovyGradle {
+        greclipse()
+    }
+}

build-logic/settings.gradle

@@ -4,6 +4,10 @@
  * This settings file is used to specify which projects to include in your build-logic build.
  * This project uses @Incubating APIs which are subject to change.
  */
+plugins {
+    // https://github.com/diffplug/spotless/blob/main/plugin-gradle/CHANGES.md
+    id 'com.diffplug.spotless' version '7.0.2' apply false
+}
 
 dependencyResolutionManagement {
     // Reuse version catalog from the main build.
@@ -13,3 +17,4 @@ dependencyResolutionManagement {
 }
 
 rootProject.name = 'build-logic'
+

build-logic/src/main/groovy/buildlogic.spotless-gradle-conventions.gradle

@@ -0,0 +1,9 @@
+plugins {
+    id 'buildlogic.spotless-common-conventions'
+}
+
+spotless {
+    groovyGradle {
+        greclipse()
+    }
+}

build.gradle

@@ -0,0 +1,13 @@
+plugins {
+	id 'buildlogic.spotless-gradle-conventions'
+}
+
+subprojects {
+	apply plugin: 'buildlogic.spotless-gradle-conventions'
+}
+
+allprojects {
+	repositories {
+		mavenCentral()
+	}
+}

settings.gradle

@@ -7,8 +7,13 @@
  */
 
 pluginManagement {
-    // Include 'plugins build' to define convention plugins.
-    includeBuild('build-logic')
+	// Include 'plugins build' to define convention plugins.
+	includeBuild('build-logic')
+
+	repositories {
+		mavenCentral()
+		gradlePluginPortal()
+	}
 }
 
 plugins {