Create dir first before listing files

.runConfigurations/Generate i18n Files.run.xml

+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Generate i18n Files" type="GradleRunConfiguration" factoryName="Gradle">
+    <ExternalSystemSettings>
+      <option name="executionName" />
+      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+      <option name="externalSystemIdString" value="GRADLE" />
+      <option name="scriptParameters" value="" />
+      <option name="taskDescriptions">
+        <list />
+      </option>
+      <option name="taskNames">
+        <list>
+          <option value="generateI18n4kFiles" />
+        </list>
+      </option>
+      <option name="vmOptions" />
+    </ExternalSystemSettings>
+    <ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
+    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
+    <DebugAllEnabled>false</DebugAllEnabled>
+    <method v="2" />
+  </configuration>
+</component>
\ No newline at end of file

buildSrc/src/main/kotlin/serverpackcreator.java-conventions.gradle.kts

@@ -80,18 +80,18 @@ tasks.test {
 }
 
 fun cleanup() {
-    projectDir.resolve("tests")
-        .listFiles()
-        .filter { !it.name.endsWith("gitkeep") }
-        .forEach {
-            it.deleteRecursively()
-        }
     val tests = File(projectDir,"tests").absoluteFile
     mkdir(tests.absolutePath)
     val gitkeep = File(tests,".gitkeep").absoluteFile
     if (!gitkeep.exists()) {
         File(tests,".gitkeep").writeText("Hi")
     }
+    projectDir.resolve("tests")
+        .listFiles()
+        .filter { !it.name.endsWith("gitkeep") }
+        .forEach {
+            it.deleteRecursively()
+        }
 }
 
 tasks.jar {

serverpackcreator-app/src/main/kotlin/de/griefed/serverpackcreator/app/ServerPackCreator.kt

@@ -94,16 +94,19 @@ class ServerPackCreator(private val args: Array<String>) {
 
         when (mode) {
             Mode.HELP -> {
+                System.setProperty("java.awt.headless", "true")
                 printHelp()
                 continuedRunOptions()
             }
 
             Mode.UPDATE -> {
+                System.setProperty("java.awt.headless", "true")
                 updateChecker.updateCheck(true)
                 continuedRunOptions()
             }
 
             Mode.WEB -> {
+                System.setProperty("java.awt.headless", "true")
                 apiWrapper.stageOne()
                 migrationManager!!.migrate()
                 apiWrapper.stageTwo()
@@ -113,6 +116,7 @@ class ServerPackCreator(private val args: Array<String>) {
             }
 
             Mode.CGEN -> {
+                System.setProperty("java.awt.headless", "true")
                 apiWrapper.stageOne()
                 migrationManager!!.migrate()
                 apiWrapper.stageTwo()
@@ -122,6 +126,7 @@ class ServerPackCreator(private val args: Array<String>) {
             }
 
             Mode.CLI -> {
+                System.setProperty("java.awt.headless", "true")
                 apiWrapper.stageOne()
                 migrationManager!!.migrate()
                 apiWrapper.stageTwo()
@@ -149,6 +154,7 @@ class ServerPackCreator(private val args: Array<String>) {
             }
 
             Mode.SETUP -> {
+                System.setProperty("java.awt.headless", "true")
                 apiWrapper.setup(force = true)
                 log.info("Setup completed.")
                 log.debug("Exiting...")

serverpackcreator-cli/tests/.gitkeep

+Hi
\ No newline at end of file

serverpackcreator-gui/tests/.gitkeep

+Hi
\ No newline at end of file

serverpackcreator-plugin-example/tests/.gitkeep

+Hi
\ No newline at end of file

serverpackcreator-updater/tests/.gitkeep

+Hi
\ No newline at end of file