Log.

src/main/kotlin/com/beust/kobalt/misc/KFiles.kt

@@ -165,7 +165,7 @@ class KFiles {
                 log(2, "Windows detected, not overwriting ${to!!}")
             } else {
                 try {
-                    log(2, "Copy from $from!! to ${to!!}")
+                    log(2, "Copy from $from to ${to!!}")
                     Files.copy(from, to, option)
                 } catch(ex: IOException) {
                     // Windows is anal about this

src/main/kotlin/com/beust/kobalt/misc/KobaltWrapperProperties.kt

@@ -0,0 +1,21 @@
+package com.beust.kobalt.misc
+
+import com.google.inject.Inject
+import java.io.File
+
+class KobaltWrapperProperties @Inject constructor() {
+    private val WRAPPER_DIR = KFiles.KOBALT_DIR + "/wrapper"
+    private val KOBALT_WRAPPER_PROPERTIES = "kobalt-wrapper.properties"
+    private val PROPERTY_VERSION = "kobalt.version"
+    private val PROPERTY_DOWNLOAD_URL = "kobalt.downloadUrl"
+
+    val file: File
+            get() = File("$WRAPPER_DIR/$KOBALT_WRAPPER_PROPERTIES")
+
+    fun create(version: String) {
+        KFiles.saveFile(file, listOf(
+                "$PROPERTY_VERSION=$version",
+                "$PROPERTY_DOWNLOAD_URL"
+        ).joinToString("\n"))
+    }
+}