Now you have copyright check if and only if -Pskip-copyright

pom.xml

@@ -302,6 +302,26 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.glassfish.copyright</groupId>
+        <artifactId>glassfish-copyright-maven-plugin</artifactId>
+        <version>2.4</version>
+        <executions>
+          <execution>
+            <id>Check-CopyRight-Notice</id>
+            <goals>
+              <goal>copyright</goal><!-- Checks for Copyright notices -->
+              <goal>check</goal><!-- Fails the build -->
+            </goals>
+            <phase>process-sources</phase>
+          </execution>
+        </executions>
+        <configuration>
+          <excludeFile>${ibis.ladybug.rootdir}${file.separator}copyrightExcludeFile.txt</excludeFile>
+          <useDash>true</useDash>
+          <templateFile>${ibis.ladybug.rootdir}/copyrightTemplateFile.txt</templateFile>
+        </configuration>
+      </plugin>
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.10.1</version>
@@ -504,12 +524,6 @@
   <profiles>
     <profile>
       <id>skip-copyright</id>
-      <activation>
-        <property>
-          <name>!maven.skip.copyright</name>
-          <value>!true</value>
-        </property>
-      </activation> 
       <build>
         <plugins>
           <plugin>