Pom setup to include git/svn/mercurial revision in the generated MANIFEST.MF file

pom.xml

<project>
    <build>
        <plugins>
          <plugin>
                <!-- Create the property $buildNumber holding the current Git revision -->
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>buildnumber-maven-plugin</artifactId>
                <version>1.2</version>
                <executions>
                    <execution>
                        <phase>validate</phase>
                        <goals>
                            <goal>create</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <doCheck>false</doCheck>
                    <doUpdate>false</doUpdate>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.4</version>
                <configuration>
                    <archive>
                        <manifestEntries>
                            <Implementation-Title>${project.name}</Implementation-Title>
                            <!-- buildNumber is produced at runtime by buildnumber-maven-plugin -->
                            <Implementation-Version>${project.version} ${buildNumber}</Implementation-Version>
                        </manifestEntries>
                    </archive>
                </configuration>
            </plugin>
...