Properly populate versions.properties (#3730)

detekt-gradle-plugin/build.gradle.kts

@@ -70,18 +70,19 @@ pluginBundle {
     }
 }
 
-tasks.processResources {
-    filter<org.apache.tools.ant.filters.ReplaceTokens>(
-        "tokens" to mapOf(
-            "detektVersion" to project.version as String
-        )
-    )
-}
+tasks {
+    val writeDetektVersionProperties by registering(WriteProperties::class) {
+        description = "Write the properties file with the Detekt version to be used by the plugin"
+        encoding = "UTF-8"
+        outputFile = file("$buildDir/versions.properties")
+        property("detektVersion", project.version)
+    }
 
-tasks.processTestResources {
-    filter<org.apache.tools.ant.filters.ReplaceTokens>(
-        "tokens" to mapOf(
-            "detektVersion" to project.version as String
-        )
-    )
+    processResources {
+        from(writeDetektVersionProperties)
+    }
+
+    processTestResources {
+        from(writeDetektVersionProperties)
+    }
 }

detekt-gradle-plugin/src/main/resources/versions.properties

@@ -1 +0,0 @@
-detektVersion=@detektVersion@

detekt-gradle-plugin/src/test/resources/versions.properties

@@ -1 +0,0 @@
-detektVersion=@detektVersion@