Profile for deploying a p2 repo, to a specified directory and providing a symbolic link for the most current version deployed. Run this as part of a release profile with your maven tycho build.

gistfile1.xml

<profiles>
     <profile>
        <id>release-profile</id>
        <properties>
           <p2repo-dir>${basedir}/target/deployed-repository</p2repo-dir>
           <buildNumber>${project.version}.${maven.build.timestamp}</buildNumber>
        </properties>
        <build>
          <plugins>
            <plugin>
               <groupId>com.github.goldin</groupId>
               <artifactId>copy-maven-plugin</artifactId>
               <version>0.2.5</version>
               <executions>
                 <execution>
                  <id>deploy-p2-repository</id>
                  <phase>deploy</phase>
                  <goals>
                   <goal>copy</goal>
                  </goals>
                  <configuration>
                    <resources>
                       <resource>
                           <verbose>true</verbose>
                           <targetPath>${p2repo-dir}/${buildNumber}</targetPath>
                           <directory>${basedir}/target/repository</directory>
                           <preservePath>true</preservePath>
                       </resource>
                    </resources>
                  </configuration>
                 </execution>
               </executions>
            </plugin>
            <plugin>
              <artifactId>exec-maven-plugin</artifactId>
              <groupId>org.codehaus.mojo</groupId>
              <executions>
                <execution><!-- Run our version calculation script -->
                  <id>sybmolic-link-creation</id>
                  <phase>deploy</phase>
                  <goals>
                    <goal>exec</goal>
                  </goals>
                  <configuration>
                    <executable>./linkrepo.sh</executable>
                    <arguments>
                        <argument>${p2repo-dir}</argument>
                        <argument>${buildNumber}</argument>
                    </arguments>
                  </configuration>
                </execution>
              </executions>
            </plugin>
          </plugins>
       </build>
     </profile>

linkrepo.sh

DIRECTORY=$1
P2REPO_NAME=$2
echo "Changing directory to $DIRECTORY"
cd $DIRECTORY
if [ -L "current" ]; then
    echo "Removing current  linked directory so it can be relinked"
    rm current
fi
ln -s ./$P2REPO_NAME current
echo "Linked current to $P2REPO_NAME"