+ <plugin>
+ <groupId>org.eclipse.tycho</groupId>
+ <artifactId>tycho-packaging-plugin</artifactId>
+ <version>${tycho-version}</version>
+ <configuration>
+ <sourceReferences>
+ <generate>true</generate>
+ </sourceReferences>
+ </configuration>
+ <dependencies>
+ <dependency>
+ <groupId>org.eclipse.tycho.extras</groupId>
+ <artifactId>tycho-sourceref-jgit</artifactId>
+ <version>${tycho-extras-version}</version>
+ </dependency>
+ </dependencies>
+ </plugin>