Cross-build sbt-metals for sbt2

scalameta · Dec 18, 2024 · 5679881 · 5679881
1 parent a4a6122
commit 5679881
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diff --git a/build.sbt b/build.sbt
@@ -526,7 +526,20 @@ lazy val `sbt-metals` = project
       "lastSupportedSemanticdb" -> SemanticDbSupport.last,
     ),
     scalaVersion := V.scala212,
+    crossScalaVersions := Seq(V.scala212, V.scala3ForSBT2),
     scriptedLaunchOpts ++= Seq(s"-Dplugin.version=${version.value}"),
+    (pluginCrossBuild / sbtVersion) := {
+      scalaBinaryVersion.value match {
+        case "2.12" => "1.5.8"
+        case _ => "2.0.0-M3"
+      }
+    },
+    scalacOptions ++= {
+      scalaBinaryVersion.value match {
+        case "2.12" => "-Xsource:3" :: Nil
+        case _ => Nil
+      }
+    },
   )
   .settings(sharedScalacOptions)
   .enablePlugins(BuildInfoPlugin, SbtPlugin)

diff --git a/project/V.scala b/project/V.scala
@@ -7,6 +7,7 @@ object V {
   val scala213 = "2.13.15"
   val lastPublishedScala3 = "3.3.3"
   val scala3 = "3.3.4"
+  val scala3ForSBT2 = "3.6.2"
 
   // When you can add to removedScalaVersions in MtagsResolver.scala with the last released version
   val sbtScala = "2.12.18"