Merge pull request #40 from spdx/addsubmodule

Fix issue where the submodules are not getting fetch during the release plugin execution

Author: goneall

pom.xml

@@ -86,6 +86,29 @@
 				        </execution>
 				      </executions>
 				    </plugin>
+					<plugin>
+					    <groupId>org.codehaus.mojo</groupId>
+					    <artifactId>exec-maven-plugin</artifactId>
+					    <inherited>false</inherited> <!-- only execute these in the parent -->
+					    <executions>
+					        <execution>
+					            <id>git submodule update</id>
+					            <phase>initialize</phase>
+					            <configuration>
+					                <executable>git</executable>
+					                <arguments>
+					                    <argument>submodule</argument>
+					                    <argument>update</argument>
+					                    <argument>--init</argument>
+					                    <argument>--recursive</argument>
+					                </arguments>
+					            </configuration>
+					            <goals>
+					                <goal>exec</goal>
+					            </goals>
+					        </execution>
+					    </executions>
+					</plugin>
 					<plugin>
 		      			<groupId>org.apache.maven.plugins</groupId>
 		      			<artifactId>maven-gpg-plugin</artifactId>