Support Mill 0.13.0-M0

Author: joan38

.github/workflows/ci.yml

@@ -20,12 +20,12 @@ jobs:
       - name: Checks
         run: |
           git config --global user.name "CI"
-          ./mill __.checkStyle + __.test + __.docJar + __.publishLocal
+          ./mill __.checkStyle + __[0.12.0].test + __.docJar + __.publishLocal
       - name: Publish
         if: github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v') || github.event_name == 'release'
         run: |
           echo "${{secrets.pgp_secret_key}}" > private.key
           gpg --batch --yes --import private.key
           rm private.key
 
-          ./mill mill.scalalib.PublishModule/publishAll --sonatypeCreds ${{secrets.sonatype_credentials}} --publishArtifacts __.publishArtifacts --release true
+          ./mill mill.scalalib.PublishModule/ --sonatypeCreds ${{secrets.sonatype_credentials}}

build.mill

@@ -6,15 +6,17 @@ import com.goyeau.mill.scalafix.StyleModule
 import mill._
 import mill.Task.dest
 import mill.scalalib._
-import mill.scalalib.api.ZincWorkerUtil.scalaNativeBinaryVersion
 import mill.scalalib.publish.{Developer, License, PomSettings, VersionControl}
 import org.typelevel.scalacoptions.ScalacOptions._
 import org.typelevel.scalacoptions.{ScalaVersion, ScalacOptions}
 
-object `mill-git` extends Cross[MillGitCross]("0.12.0")
+object `mill-git` extends Cross[MillGitCross]("0.12.0", "0.13.0-M0")
 trait MillGitCross extends Cross.Module[String] with StyleModule with GitVersionedPublishModule {
   val millVersion           = crossValue
-  override def scalaVersion = "2.13.15"
+  override def scalaVersion = millBinaryVersion(millVersion) match {
+    case "0.11" => "2.13.16"
+    case "0.13" => "3.6.3"
+  }
   override def scalacOptions = super.scalacOptions() ++ ScalacOptions.tokensForVersion(
     ScalaVersion.unsafeFromString(scalaVersion()),
     ScalacOptions.default + source3 ++ fatalWarningOptions
@@ -58,7 +60,8 @@ trait MillGitCross extends Cross.Module[String] with StyleModule with GitVersion
   )
 }
 
-def millBinaryVersion(millVersion: String) = scalaNativeBinaryVersion(millVersion) match {
-  case "0.12"  => "0.11" // 0.12.x is binary compatible with 0.11.x
-  case version => version
+def millBinaryVersion(millVersion: String) = millVersion match {
+  case version if version.startsWith("0.12") => "0.11" // 0.12.x is binary compatible with 0.11.x
+  case version if version.startsWith("0.13") => "0.13"
+  case _ => throw new IllegalArgumentException(s"Unsupported Mill version: $millVersion")
 }