Use flatten-maven plugin to make sure that no test dependencies are in the published poms

Author: filiphr

.gitignore

@@ -25,3 +25,4 @@ test-output
 .DS_Store
 
 dependency-reduced-pom.xml
+.flattened-pom.xml

parent/pom.xml

@@ -86,6 +86,17 @@
     <dependencyManagement>
         <dependencies>
 
+            <dependency>
+                <groupId>${groupId}</groupId>
+                <artifactId>gem-api</artifactId>
+                <version>${project.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>${groupId}</groupId>
+                <artifactId>gem-processor</artifactId>
+                <version>${project.version}</version>
+            </dependency>
+
             <dependency>
                 <groupId>org.freemarker</groupId>
                 <artifactId>freemarker</artifactId>
@@ -262,6 +273,11 @@
                     <artifactId>jacoco-maven-plugin</artifactId>
                     <version>0.8.3</version>
                 </plugin>
+                <plugin>
+                    <groupId>org.codehaus.mojo</groupId>
+                    <artifactId>flatten-maven-plugin</artifactId>
+                    <version>1.2.1</version>
+                </plugin>
             </plugins>
         </pluginManagement>
 
@@ -287,6 +303,7 @@
                         <exclude>*.yml</exclude>
                         <exclude>mvnw*</exclude>
                         <exclude>**/*.asciidoc</exclude>
+                        <exclude>**/*.flattened-pom.xml</exclude>
                     </excludes>
                     <mapping>
                         <java>SLASHSTAR_STYLE</java>
@@ -314,6 +331,34 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>flatten-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <!-- Tidy up all POMs before they are published -->
+                        <id>flatten</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>flatten</goal>
+                        </goals>
+                        <configuration>
+                            <updatePomFile>true</updatePomFile>
+                            <flattenMode>ossrh</flattenMode>
+                            <pomElements>
+                                <parent>expand</parent>
+                            </pomElements>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>flatten-clean</id>
+                        <phase>clean</phase>
+                        <goals>
+                            <goal>clean</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

processor/pom.xml

@@ -30,7 +30,6 @@
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>gem-api</artifactId>
-            <version>${project.parent.version}</version>
             <scope>provided</scope>
         </dependency>
 
@@ -140,6 +139,23 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>flatten-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <!-- Tidy up all POMs before they are published -->
+                        <id>flatten</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>flatten</goal>
+                        </goals>
+                        <configuration>
+                            <updatePomFile>true</updatePomFile>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-dependency-plugin</artifactId>

test/pom.xml

@@ -23,7 +23,6 @@
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>gem-api</artifactId>
-            <version>${project.parent.version}</version>
         </dependency>
 
     </dependencies>