Synopsis

A wrapper that allows the use of the Scalafmt formatter in Maven.

Versioning

The versioning of this plugin follows the following format:

<artifactId>mvn-scalafmt_${scala.version}</artifactId>
<version>${plugin-version}-${scalafmt-version}</version>

Current supported versions (of Scalafmt) are 1.1.0 - 1.5.1. For example, to use the latest version of the plugin with the latest version of scala-fmt you should set the version to 0.10_1.5.1 in your pom. Note scala.version refers to binary versions of scala i.e. 2.11 or 2.12.

Usage

Add the following snippet to your pom; anything in <parameters> will be passed through to the CLI as is.

<plugin>
  <groupId>org.antipathy</groupId>
  <artifactId>mvn-scalafmt_${scala.version}</artifactId>
  <version>0.10_${scalafmt.version}</version>
  <configuration>
    <parameters>--diff</parameters> <!-- (Optional) Additional command line arguments -->
    <skip>false</skip> <!-- (Optional) skip formatting -->
    <skiptest>false</skiptest> <!-- (Optional) Skip formatting test sources -->
    <skipmain>false</skipmain> <!-- (Optional) Skip formatting main sources -->
    <configLocation>${project.basedir}/path/to/scalafmt.conf</configLocation> <!-- (Optional) config location -->
    <configRequired>false</configRequired><!-- (Optional) raise an error if configLocation is missing or invalid (otherwise use Scalafmt defaults) -->
    <sourceDirectories> <!-- (Optional) Paths to source-directories. Overrides ${project.build.sourceDirectory} -->
      <param>${project.basedir}/src/main/scala</param>
    </sourceDirectories>
    <testSourceDirectories> <!-- (Optional) Paths to test-source-directories. Overrides ${project.build.testSourceDirectory} -->
      <param>${project.basedir}/src/test/scala</param>
    </testSourceDirectories>
  </configuration>
  <executions>
    <execution>
      <phase>validate</phase>
      <goals>
        <goal>format</goal>
      </goals>
    </execution>
  </executions>
</plugin>