Update publishing and dependencies

build.gradle.kts

@@ -89,7 +89,7 @@ spinePublishing {
         gitHub("compiler")
     )}
 
-    artifactPrefix = "compiler-"
+    toolArtifactPrefix = "compiler-"
 }
 
 allprojects {

buildSrc/build.gradle.kts

@@ -65,7 +65,12 @@ val jacksonVersion = "2.18.3"
  */
 val googleAuthToolVersion = "2.1.5"
 
-val licenseReportVersion = "2.7"
+/**
+ * Generates reports about the licenses of the dependencies for a Gradle project.
+ *
+ * https://github.com/jk1/Gradle-License-Report
+ */
+val licenseReportVersion = "3.1.2"
 
 val grGitVersion = "4.1.1"
 
@@ -141,6 +146,20 @@ val koverVersion = "0.9.1"
  */
 val shadowVersion = "9.2.2"
 
+/**
+ * The version of JUnit used to test the build scripts.
+ *
+ * @see [io.spine.dependency.test.JUnit]
+ */
+val junitVersion = "6.0.3"
+
+/**
+ * The version of Kotest used to test the build scripts.
+ *
+ * @see [io.spine.dependency.test.Kotest]
+ */
+val kotestVersion = "6.1.10"
+
 configurations.all {
     resolutionStrategy {
         force(
@@ -192,6 +211,15 @@ dependencies {
     ).forEach {
         implementation(it)
     }
+
+    testImplementation(platform("org.junit:junit-bom:$junitVersion"))
+    testImplementation("org.junit.jupiter:junit-jupiter")
+    testImplementation("io.kotest:kotest-assertions-core:$kotestVersion")
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+}
+
+tasks.test {
+    useJUnitPlatform()
 }
 
 dependOnBuildSrcJar()

buildSrc/src/main/kotlin/io/spine/dependency/build/Dokka.kt

@@ -35,7 +35,7 @@ object Dokka {
      * When changing the version, also change the version used in the
      * `buildSrc/build.gradle.kts`.
      */
-    const val version = "2.1.0"
+    const val version = "2.2.0"
 
     object GradlePlugin {
         const val id = "org.jetbrains.dokka"

buildSrc/src/main/kotlin/io/spine/dependency/local/Base.kt

@@ -33,8 +33,8 @@ package io.spine.dependency.local
  */
 @Suppress("ConstPropertyName", "unused")
 object Base {
-    const val version = "2.0.0-SNAPSHOT.386"
-    const val versionForBuildScript = "2.0.0-SNAPSHOT.386"
+    const val version = "2.0.0-SNAPSHOT.387"
+    const val versionForBuildScript = "2.0.0-SNAPSHOT.387"
     const val group = Spine.group
     private const val prefix = "spine"
     const val libModule = "$prefix-base"

buildSrc/src/main/kotlin/io/spine/dependency/local/Compiler.kt

@@ -72,7 +72,7 @@ object Compiler : Dependency() {
      * The version of the Compiler dependencies.
      */
     override val version: String
-    private const val fallbackVersion = "2.0.0-SNAPSHOT.040"
+    private const val fallbackVersion = "2.0.0-SNAPSHOT.041"
 
     /**
      * The distinct version of the Compiler used by other build tools.
@@ -81,7 +81,7 @@ object Compiler : Dependency() {
      * transitive dependencies, this is the version used to build the project itself.
      */
     val dogfoodingVersion: String
-    private const val fallbackDfVersion = "2.0.0-SNAPSHOT.039"
+    private const val fallbackDfVersion = "2.0.0-SNAPSHOT.041"
 
     /**
      * The artifact for the Compiler Gradle plugin.

buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvm.kt

@@ -39,7 +39,7 @@ typealias CoreJava = CoreJvm
 @Suppress("ConstPropertyName", "unused")
 object CoreJvm {
     const val group = Spine.group
-    const val version = "2.0.0-SNAPSHOT.371"
+    const val version = "2.0.0-SNAPSHOT.372"
 
     const val coreArtifact = "spine-core"
     const val clientArtifact = "spine-client"

buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvmCompiler.kt

@@ -46,12 +46,12 @@ object CoreJvmCompiler {
     /**
      * The version used to in the build classpath.
      */
-    const val dogfoodingVersion = "2.0.0-SNAPSHOT.055"
+    const val dogfoodingVersion = "2.0.0-SNAPSHOT.058"
 
     /**
      * The version to be used for integration tests.
      */
-    const val version = "2.0.0-SNAPSHOT.055"
+    const val version = "2.0.0-SNAPSHOT.058"
 
     /**
      * The ID of the Gradle plugin.

buildSrc/src/main/kotlin/io/spine/dependency/local/TestLib.kt

@@ -33,8 +33,8 @@ package io.spine.dependency.local
  */
 @Suppress("ConstPropertyName")
 object TestLib {
-    const val version = "2.0.0-SNAPSHOT.211"
+    const val version = "2.0.0-SNAPSHOT.212"
     const val group = Spine.toolsGroup
-    const val artifact = "spine-testlib"
+    const val artifact = "base-testlib"
     const val lib = "$group:$artifact:$version"
 }

buildSrc/src/main/kotlin/io/spine/dependency/local/Time.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,18 +26,43 @@
 
 package io.spine.dependency.local
 
+import io.spine.dependency.Dependency
+
 /**
  * Spine Time library.
  *
  * @see <a href="https://github.com/SpineEventEngine/time">spine-time</a>
  */
-@Suppress("ConstPropertyName")
-object Time {
-    const val version = "2.0.0-SNAPSHOT.232"
-    const val group = Spine.group
-    const val artifact = "spine-time"
-    const val lib = "$group:$artifact:$version"
-    const val javaExtensions = "$group:$artifact-java:$version"
-    const val kotlinExtensions = "$group:$artifact-kotlin:$version"
-    const val testLib = "${Spine.toolsGroup}:spine-time-testlib:$version"
+@Suppress(
+    "unused" /* Some subprojects do not use all Time artifacts. */,
+    "ConstPropertyName" /* We use custom convention for artifact properties. */,
+    "MemberVisibilityCanBePrivate" /* The properties are used directly by other subprojects. */,
+)
+object Time : Dependency() {
+    override val group = Spine.group
+    override val version = "2.0.0-SNAPSHOT.235"
+    private const val infix = "spine-time"
+
+    fun lib(version: String): String = "$group:$infix:$version"
+    val lib get() = lib(version)
+    const val libArtifact: String = infix
+
+    fun javaExtensions(version: String): String = "$group:$infix-java:$version"
+    val javaExtensions get() = javaExtensions(version)
+
+    fun kotlinExtensions(version: String): String = "$group:$infix-kotlin:$version"
+    val kotlinExtensions get() = kotlinExtensions(version)
+
+    fun testLib(version: String): String = "${Spine.toolsGroup}:time-testlib:$version"
+    val testLib get() = testLib(version)
+
+    override val modules: List<String>
+        get() = listOf(
+            lib,
+            javaExtensions,
+            kotlinExtensions,
+            testLib
+        ).map {
+            it.split(":").let { (g, artifact) -> "$g:$artifact" }
+        }
 }

buildSrc/src/main/kotlin/io/spine/dependency/local/ToolBase.kt

@@ -34,8 +34,8 @@ package io.spine.dependency.local
 @Suppress("ConstPropertyName", "unused")
 object ToolBase {
     const val group = Spine.toolsGroup
-    const val version = "2.0.0-SNAPSHOT.375"
-    const val dogfoodingVersion = "2.0.0-SNAPSHOT.375"
+    const val version = "2.0.0-SNAPSHOT.376"
+    const val dogfoodingVersion = "2.0.0-SNAPSHOT.376"
 
     const val lib = "$group:tool-base:$version"
     const val classicCodegen = "$group:classic-codegen:$version"

buildSrc/src/main/kotlin/io/spine/dependency/local/Validation.kt

@@ -36,7 +36,7 @@ object Validation {
     /**
      * The version of the Validation library artifacts.
      */
-    const val version = "2.0.0-SNAPSHOT.406"
+    const val version = "2.0.0-SNAPSHOT.411"
 
     /**
      * The last version of Validation compatible with ProtoData.

buildSrc/src/main/kotlin/io/spine/dependency/test/Kotest.kt

@@ -35,7 +35,7 @@ package io.spine.dependency.test
  */
 @Suppress("unused", "ConstPropertyName")
 object Kotest {
-    const val version = "6.0.4"
+    const val version = "6.1.11"
     const val group = "io.kotest"
     const val gradlePluginId = "io.kotest"
     const val assertions = "$group:kotest-assertions-core:$version"

buildSrc/src/main/kotlin/io/spine/gradle/ProjectExtensions.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -36,10 +36,6 @@ import org.gradle.api.tasks.SourceSetContainer
 import org.gradle.kotlin.dsl.findByType
 import org.gradle.kotlin.dsl.getByType
 
-/**
- * This file contains extension methods and properties for the Gradle `Project`.
- */
-
 /**
  * Logs the result of the function using the project logger at `INFO` level.
  */
@@ -86,8 +82,9 @@ fun <T : Task> Project.getTask(name: String): T {
 /**
  * Obtains Maven artifact ID of this [Project].
  *
- * The method checks if [SpinePublishing] extension is configured upon this project. If yes,
- * returns [SpinePublishing.artifactId] for the project. Otherwise, a project's name is returned.
+ * The property getter checks if [SpinePublishing] extension is configured upon this project.
+ * If yes, it returns [SpinePublishing.artifactId] for the project.
+ * Otherwise, a project's name is returned.
  */
 val Project.artifactId: String
     get() {