TEMP: skip scalafix checking until scalafix-interfaces is released

Author: bishabosha

build.mill

@@ -381,10 +381,42 @@ trait MillPublishJavaModule extends MillJavaModule with PublishModule {
   def javacOptions = Seq("-source", "1.8", "-target", "1.8", "-encoding", "UTF-8")
 }
 
+/* Until scalafix-interfaces releases a version that can reflectively load Scalafix for
+ * Scala 3, we need to skip Scalafix for Scala 3 modules.
+ *
+ * @see https://github.com/scalacenter/scalafix/blob/24078c391ae1f9e823489afe008318bcc13ae90d/scalafix-interfaces/src/main/java/scalafix/interfaces/Scalafix.java#L133
+*/
+trait SkipScalafix extends ScalafixModule { self: ScalaModule =>
+
+  def fix(args: String*): Command[Unit] = T.command {
+    if (scalaVersion().startsWith("3.")) {
+      T.log.info(s"Skipping scalafix for Scala 3 module $self")
+      mill.api.Result.Success(())
+    } else {
+      // copied from ScalafixModule.fix
+      // @note - not sure if there is a way to call super.fix(args: _*) directly
+      //   when we want boolean condition to skip the command
+      ScalafixModule.fixAction(
+        T.ctx().log,
+        repositoriesTask(),
+        ScalafixModule.filesToFix(sources()).map(_.path),
+        classpath = (compileClasspath() ++ localClasspath() ++ Seq(semanticDbData())).iterator.toSeq.map(_.path),
+        scalaVersion(),
+        scalafixScalaBinaryVersion(),
+        scalacOptions(),
+        scalafixIvyDeps(),
+        scalafixConfig(),
+        args,
+        T.workspace
+      )
+    }
+  }
+}
+
 /**
  * Some custom scala settings and test convenience
  */
-trait MillScalaModule extends ScalaModule with MillJavaModule with ScalafixModule { outer =>
+trait MillScalaModule extends ScalaModule with MillJavaModule with SkipScalafix { outer =>
   def scalaVersion = Deps.scalaVersion
   def scalapVersion = T { Deps.scala2Version }
   def scalafixScalaBinaryVersion = ZincWorkerUtil.scalaBinaryVersion(scalaVersion())