Fixes #137

Author: schabdo

.gitignore

@@ -12,6 +12,7 @@ pom.xml.versionsBackup
 pom.xml.next
 release.properties
 dependency-reduced-pom.xml
+.flattened-pom.xml
 buildNumber.properties
 .mvn/timing.properties
 

pom.xml

@@ -85,6 +85,7 @@
       <lombok-version>1.18.20</lombok-version>
       <maven-plugin-annotations-version>3.5</maven-plugin-annotations-version>
       <maven-plugin-depdendencies-version>3.3.9</maven-plugin-depdendencies-version>
+      <maven-plugin-flatten-version>1.2.7</maven-plugin-flatten-version>
       <maven-plugin-plugin-version>3.6.4</maven-plugin-plugin-version>
       <maven-plugin-testing-harness-version>3.3.0</maven-plugin-testing-harness-version>
       <rgxgen-version>1.3</rgxgen-version>
@@ -362,6 +363,11 @@
                <artifactId>build-helper-maven-plugin</artifactId>
                <version>${build-helper-maven-plugin-version}</version>
             </plugin>
+            <plugin>
+               <groupId>org.codehaus.mojo</groupId>
+               <artifactId>flatten-maven-plugin</artifactId>
+               <version>${maven-plugin-flatten-version}</version>
+            </plugin>
             <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
@@ -470,6 +476,30 @@
                </execution>
             </executions>
          </plugin>
+         <plugin>
+            <groupId>org.codehaus.mojo</groupId>
+            <artifactId>flatten-maven-plugin</artifactId>
+            <configuration>
+               <!-- see https://central.sonatype.org/publish/requirements -->
+               <flattenMode>ossrh</flattenMode>
+            </configuration>
+            <executions>
+               <execution>
+                  <id>flatten</id>
+                  <phase>process-resources</phase>
+                  <goals>
+                     <goal>flatten</goal>
+                  </goals>
+               </execution>
+               <execution>
+                  <id>clean-flatten</id>
+                  <phase>clean</phase>
+                  <goals>
+                     <goal>clean</goal>
+                  </goals>
+               </execution>
+            </executions>
+         </plugin>
          <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>