SBT: don't build dynamic for NativePlatform

build.sbt

@@ -65,7 +65,7 @@ commands += Command.command("ci-test-native") { s =>
   s"++$scalaVersion" :: "testsNative/test" :: s
 }
 
-lazy val dynamic = crossProject(JVMPlatform, NativePlatform)
+lazy val dynamic = crossProject(JVMPlatform) // don't build for NativePlatform
   .withoutSuffixFor(JVMPlatform).in(file("scalafmt-dynamic")).settings(
     moduleName := "scalafmt-dynamic",
     description := "Implementation of scalafmt-interfaces",
@@ -217,7 +217,8 @@ lazy val cli = crossProject(JVMPlatform, NativePlatform)
       }
     },
   ).nativeSettings(scalaNativeConfig).jvmEnablePlugins(NativeImagePlugin)
-  .dependsOn(core, dynamic).aggregate(core, dynamic)
+  .dependsOn(core, interfaces).aggregate(core)
+  .jvmConfigure(_.dependsOn(dynamic.jvm).aggregate(dynamic.jvm))
 
 lazy val tests = crossProject(JVMPlatform, NativePlatform)
   .withoutSuffixFor(JVMPlatform).in(file("scalafmt-tests")).settings(
@@ -233,8 +234,7 @@ lazy val tests = crossProject(JVMPlatform, NativePlatform)
         .get
     }),
   ).enablePlugins(BuildInfoPlugin)
-  .jvmSettings(javaOptions += "-Dfile.encoding=UTF8")
-  .dependsOn(core, dynamic, cli)
+  .jvmSettings(javaOptions += "-Dfile.encoding=UTF8").dependsOn(core, cli)
 
 lazy val sharedTestSettings = Seq(libraryDependencies += munit.value % Test)
 

scalafmt-cli/jvm/src/main/scala/org/scalafmt/cli/CliUtils.scala

@@ -30,6 +30,7 @@ private[scalafmt] trait CliUtils {
     nGContext.exit(exit.code)
   }
 
-  protected def getDynamicRunner(): ScalafmtRunner = ScalafmtDynamicRunner
+  protected def getDynamicRunner: Option[ScalafmtRunner] =
+    Some(ScalafmtDynamicRunner)
 
 }

scalafmt-cli/shared/src/main/scala/org/scalafmt/cli/ScalafmtDynamicRunner.scala → scalafmt-cli/jvm/src/main/scala/org/scalafmt/cli/ScalafmtDynamicRunner.scala

@@ -10,7 +10,7 @@ import org.scalafmt.sysops.FileOps
 import java.nio.file.Path
 import java.util.concurrent.atomic.AtomicReference
 
-import util.control.Breaks._
+import scala.util.control.Breaks._
 
 object ScalafmtDynamicRunner extends ScalafmtRunner {
   override private[cli] def run(

scalafmt-cli/native/src/main/scala/org/scalafmt/cli/CliUtils.scala

@@ -3,5 +3,5 @@ package org.scalafmt.cli
 private[scalafmt] trait CliUtils {
   protected val isScalaNative: Boolean = true
 
-  protected def getDynamicRunner(): ScalafmtRunner = ???
+  protected def getDynamicRunner: Option[ScalafmtRunner] = None
 }

scalafmt-cli/shared/src/main/scala/org/scalafmt/cli/Cli.scala

@@ -61,14 +61,29 @@ object Cli extends CliUtils {
       case Right(runner) => runWithRunner(options, runner)
     }
 
-  private val isNative: Boolean = isScalaNative ||
-    "true" == System.getProperty("scalafmt.native-image", "false")
+  private val isNativeImage: Boolean = "true" ==
+    System.getProperty("scalafmt.native-image", "false")
 
   private def getProposedConfigVersion(options: CliOptions): String =
     s"version = $stableVersion"
 
   private type MaybeRunner = Either[String, ScalafmtRunner]
 
+  private def noDynamicRunner(version: String, options: CliOptions) = {
+    val path = options.configPath
+    s"""|error: invalid Scalafmt version.
+        |
+        |This Scalafmt installation has version '$stableVersion' and the version configured in '$path' is '$version'.
+        |To fix this problem, add the following line to .scalafmt.conf:
+        |```
+        |version = $stableVersion
+        |```
+        |
+        |NOTE: this error happens only when running a native Scalafmt binary.
+        |Scalafmt automatically installs and invokes the correct version of Scalafmt when running on the JVM.
+        |""".stripMargin
+  }
+
   private def findRunner(options: CliOptions): MaybeRunner = options.hoconOpt
     .fold[MaybeRunner](Left(
       s"""|error: missing Scalafmt configuration file.
@@ -98,24 +113,11 @@ object Cli extends CliUtils {
         case Right(`stableVersion`) =>
           options.common.debug.println(s"Using core runner [$stableVersion]")
           Right(ScalafmtCoreRunner)
-        case Right(v) if isNative =>
-          Left {
-            s"""|error: invalid Scalafmt version.
-                |
-                |This Scalafmt installation has version '$stableVersion' and the version configured in '${options
-                 .configPath}' is '$v'.
-                |To fix this problem, add the following line to .scalafmt.conf:
-                |```
-                |version = $stableVersion
-                |```
-                |
-                |NOTE: this error happens only when running a native Scalafmt binary.
-                |Scalafmt automatically installs and invokes the correct version of Scalafmt when running on the JVM.
-                |""".stripMargin
-          }
         case Right(v) =>
-          options.common.debug.println(s"Using dynamic runner [$v]")
-          Right(getDynamicRunner())
+          val runnerOpt = if (isNativeImage) None else getDynamicRunner
+          if (runnerOpt.isDefined) options.common.debug
+            .println(s"Using dynamic runner [$v]")
+          runnerOpt.toRight(noDynamicRunner(v, options))
       }
     }
 

scalafmt-cli/shared/src/main/scala/org/scalafmt/cli/ScalafmtCliReporter.scala

@@ -1,9 +1,7 @@
 package org.scalafmt.cli
 
 import org.scalafmt.Error._
-import org.scalafmt.dynamic.exceptions.ScalafmtException
-import org.scalafmt.interfaces.PositionException
-import org.scalafmt.interfaces.ScalafmtReporter
+import org.scalafmt.interfaces._
 
 import java.io.OutputStreamWriter
 import java.io.PrintWriter
@@ -32,8 +30,11 @@ class ScalafmtCliReporter(options: CliOptions) extends ScalafmtReporter {
     case MisformattedFile(_, diff) =>
       options.common.err.println(diff)
       exitCode.getAndUpdate(ExitCode.merge(ExitCode.TestError, _))
-    case ScalafmtException(_, cause) => error(file, cause)
-    case _ if !options.ignoreWarnings =>
+    case e: ScalafmtException => error(file, e.getCause)
+    case _ if e.getClass.getSimpleName.contains("ScalafmtException") =>
+      error(file, e.getCause)
+    case _ if options.ignoreWarnings =>
+    case _ =>
       new FailedToFormat(file.toString, e).printStackTrace(options.common.err)
       exitCode.getAndUpdate(ExitCode.merge(ExitCode.UnexpectedError, _))
   }

scalafmt-dynamic/shared/src/main/scala/org/scalafmt/dynamic/exceptions/ScalafmtException.scala

@@ -1,6 +1,8 @@
 package org.scalafmt.dynamic.exceptions
 
+import org.scalafmt.interfaces
+
 import scala.util.control.NoStackTrace
 
 case class ScalafmtException(message: String, cause: Throwable)
-    extends Exception(message, cause) with NoStackTrace
+    extends interfaces.ScalafmtException(message, cause) with NoStackTrace