Move build-update-utils to plugin

.teamcity/src/main/kotlin/projects/unified/plugin/PluginProject.kt

@@ -53,7 +53,7 @@ class PluginProject(private val buildAndTest: BuildType) : Project({
         steps {
             step(configuredGradle {
                 name = "Change to Release Version"
-                tasks = ":unified-plugin:build-update-utils:changeSnapshotToReleaseVersion"
+                tasks = ":unified-plugin:changeSnapshotToReleaseVersion"
                 workingDir = "unified-prototype"
             })
             step(configuredGradle {
@@ -64,7 +64,7 @@ class PluginProject(private val buildAndTest: BuildType) : Project({
             })
             step(configuredGradle {
                 name = "Change to next Snapshot Version"
-                tasks = ":unified-plugin:build-update-utils:changeReleaseToNextSnapshotVersion"
+                tasks = ":unified-plugin:changeReleaseToNextSnapshotVersion"
                 workingDir = "unified-prototype"
             })
             script {

unified-prototype/unified-plugin/build-logic/build.gradle.kts

@@ -5,3 +5,12 @@ plugins {
 dependencies {
     implementation("com.gradle.publish:plugin-publish-plugin:1.2.1")
 }
+
+gradlePlugin {
+    plugins {
+        create("build-logic.build-update-utils") {
+            id = "build-logic.build-update-utils"
+            implementationClass = "buildlogic.BuildUpdateUtilsPlugin"
+        }
+    }
+}

unified-prototype/unified-plugin/build-logic/src/main/kotlin/buildlogic/BuildUpdateUtilsPlugin.kt

@@ -0,0 +1,67 @@
+package buildlogic
+
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.process.ExecOperations
+import javax.inject.Inject
+
+open class BuildUpdateUtilsPlugin @Inject constructor(
+    private val execOperations: ExecOperations
+) : Plugin<Project> {
+
+    companion object {
+        private const val CI_UPDATE_TASKS = "CI Update Tasks"
+    }
+
+    override fun apply(target: Project) {
+        target.run {
+            val versionFile = rootProject.file("version.txt")
+
+            fun getVersionFromFile() = versionFile.readText().trim()
+
+            fun writeNewVersion(newVersion: String) = versionFile.writeText(newVersion)
+
+            tasks.register("changeSnapshotToReleaseVersion") {
+                description = "Change the version of the plugin to a release version"
+                group = CI_UPDATE_TASKS
+                doLast {
+                    val version = getVersionFromFile()
+                    val newVersion = version.removeSuffix("-SNAPSHOT")
+                    if (version == newVersion) {
+                        throw IllegalStateException("Version is not a snapshot version: $version")
+                    }
+                    writeNewVersion(newVersion)
+                    execOperations.exec {
+                        commandLine("git", "commit", "-m", "Release version $newVersion", versionFile.absolutePath)
+                    }
+                    execOperations.exec {
+                        commandLine("git", "tag", "v${newVersion}", "-m", "Release version $newVersion")
+                    }
+                }
+            }
+
+            tasks.register("changeReleaseToNextSnapshotVersion") {
+                description = "Change the version of the plugin to a snapshot version"
+                group = CI_UPDATE_TASKS
+                doLast {
+                    val version = getVersionFromFile()
+                    if (!version.matches(Regex("\\d+\\.\\d+\\.\\d+"))) {
+                        throw IllegalStateException("Version is not a release version: $version")
+                    }
+                    val versionParts = version.split(".")
+                    val newVersion = "${versionParts[0]}.${versionParts[1]}.${versionParts[2].toInt() + 1}-SNAPSHOT"
+                    writeNewVersion(newVersion)
+                    execOperations.exec {
+                        commandLine(
+                            "git",
+                            "commit",
+                            "-m",
+                            "Switch to next snapshot version $newVersion",
+                            versionFile.absolutePath
+                        )
+                    }
+                }
+            }
+        }
+    }
+}

unified-prototype/unified-plugin/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     kotlin("jvm").version(libs.versions.kotlin).apply(false)
+    id("build-logic.build-update-utils")
 }
 
 version = file("version.txt").readText().trim()