Get build properties from gradle.properties

build.gradle.kts

@@ -1,13 +1,12 @@
+fun properties(key: String) = project.findProperty(key).toString()
+
 plugins {
     id("org.jetbrains.intellij") version "1.3.0"
     id("org.jetbrains.kotlin.jvm") version "1.5.10"
 }
 
-val pluginVersion: String by project
-val platformVersion: String by project
-
-group = "de.idetools"
-version = pluginVersion
+group = properties("pluginGroup")
+version = properties("pluginVersion")
 
 repositories {
     mavenCentral()
@@ -19,7 +18,8 @@ dependencies {
 
 // See https://github.com/JetBrains/gradle-intellij-plugin/
 intellij {
-    version.set(platformVersion)
+    pluginName.set(properties("pluginName"))
+    version.set(properties("platformVersion"))
 }
 tasks.getByName<org.jetbrains.intellij.tasks.PatchPluginXmlTask>("patchPluginXml") {
     changeNotes.set("""

gradle.properties

@@ -1,4 +1,6 @@
 kotlin.code.style=official
 
+pluginGroup = de.idetools
+pluginName = filename_template
 pluginVersion = 1.2.0-213
 platformVersion = 2021.3