gistfile1.xml

        <profile>
            <id>buildnumber-plugin</id>
            <activation>
                <property>
                    <!--
                         This profile is activated if NO system property
                         'skipBuildnumber' is found. Disable this profile
                         by specifying -DskipBuildnumber=true on the commandline
                    -->
                    <name>!skipBuildnumber</name>
                </property>
            </activation>
            <build>
                <plugins>
                    <!-- add repository revision to manifests -->
                    <plugin>
                        <groupId>org.codehaus.mojo</groupId>
                        <artifactId>buildnumber-maven-plugin</artifactId>
                        <version>1.0-beta-2</version>
                        <executions>
                            <execution>
                                <phase>validate</phase>
                                <goals>
                                    <goal>create</goal>
                                </goals>
                            </execution>
                        </executions>
                        <configuration>
                            <!-- never touch svn -->
                            <doCheck>false</doCheck>
                            <doUpdate>false</doUpdate>
                            <timestampFormat>{0,date,yyyy-MMM-dd HH:mm:ss}</timestampFormat>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>