Scala maven continuous compile

gistfile1.xml

  <profiles>
        <profile>
            <id>scalac-prod</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
            <properties>
                <fsc.once>true</fsc.once>
                <fsc.compilation>all</fsc.compilation>
            </properties>
        </profile>
        <profile>
            <id>scalac-dev</id>
            <properties>
                <fsc.once>false</fsc.once>
                <fsc.compilation>modified-only</fsc.compilation>
            </properties>
        </profile>
    </profiles>

    <build>
        <plugins>
            <plugin>
                <groupId>net.alchim31.maven</groupId>
                <artifactId>scala-maven-plugin</artifactId>
                <version>3.1.0</version>
                <executions>
                    <execution>
                        <id>cc</id>
                        <goals>
                            <goal>cc</goal>
                        </goals>
                        <phase>compile</phase>
                        <configuration>
                            <useFsc>true</useFsc>
                            <once>${fsc.once}</once>
                            <recompileMode>${fsc.compilation}</recompileMode>
                        </configuration>
                    </execution>
                    <execution>
                        <id>scala-test-compile</id>
                        <phase>process-test-resources</phase>
                        <goals>
                            <goal>testCompile</goal>
                        </goals>
                        <configuration>
                            <useFsc>true</useFsc>
                            <once>${fsc.once}</once>
                            <recompileMode>${fsc.compilation}</recompileMode>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>