The svn-revision-number-maven-plugin could help you adding the SVN revision number to your built artifact. Configure your pom.xml as follow.

...
<build>
  <finalName>${project.artifactId}-r${svn.revision}</finalName>
  <plugins>
    <!-- Use the svn revision number for the built artifact -->
    <plugin>
      <groupId>com.google.code.maven-svn-revision-number-plugin</groupId>
      <artifactId>svn-revision-number-maven-plugin</artifactId>
      <version>1.13</version>
      <executions>
        <execution>
          <goals>
            <goal>revision</goal>
          </goals>
        </execution>
      </executions>
      <configuration>
        <entries>
          <entry>
            <prefix>svn</prefix> <!-- create the ${svn.revision} -->
          </entry>
        </entries>
      </configuration>
    </plugin>
  </plugins>
</build>
...

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