feature: sbt 2 support (#526)

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: scalafmt
-        run: ./sbt scalafmtSbtCheck scalafmtCheckAll
+        run: ./sbt scalafmtSbtCheck "+ scalafmtCheckAll"
   test:
     name: Test
     strategy:
@@ -40,4 +40,4 @@ jobs:
           distribution: "${{ matrix.distribution }}"
           java-version: "${{ matrix.java }}"
       - name: sbt scripted test
-        run: ./sbt compile scripted
+        run: ./sbt "+ Test/compile" "+ test" "+ scripted"

build.sbt

@@ -14,6 +14,17 @@
  * limitations under the License.
  */
 
+crossScalaVersions += "3.3.4"
+
+pluginCrossBuild / sbtVersion := {
+  scalaBinaryVersion.value match {
+    case "2.12" =>
+      (pluginCrossBuild / sbtVersion).value
+    case _ =>
+      "2.0.0-M2"
+  }
+}
+
 addCommandAlias("format", "scalafmtAll; scalafmtSbt")
 
 Global / onChangedBuildSource := ReloadOnSourceChanges
@@ -61,7 +72,15 @@ lazy val sbtSonatype =
       testFrameworks += new TestFramework("wvlet.airspec.Framework"),
       buildInfoKeys    := Seq[BuildInfoKey](name, version, scalaVersion, sbtVersion),
       buildInfoPackage := "org.xerial.sbt.sonatype",
-      scalacOptions ++= Seq("-Ywarn-unused-import", "-nowarn"),
+      scalacOptions ++= Seq("-nowarn"),
+      scalacOptions += {
+        scalaBinaryVersion.value match {
+          case "2.12" =>
+            "-Ywarn-unused-import"
+          case _ =>
+            "-Wunused:imports"
+        }
+      },
       libraryDependencies ++= Seq(
         "org.sonatype.spice.zapper" % "spice-zapper"  % versions.sonatypeZapperClient,
         "org.wvlet.airframe"       %% "airframe-http" % versions.airframe

src/main/scala-2/xerial/sbt/SonatypeCompat.scala

@@ -0,0 +1,10 @@
+package xerial.sbt.sonatype
+
+import scala.reflect.runtime.universe.TypeTag
+import wvlet.airframe.codec.MessageCodec
+import wvlet.airframe.codec.MessageCodecFactory
+
+private[sonatype] trait SonatypeCompat { self: SonatypeService =>
+  implicit def codecInstance[A: TypeTag]: MessageCodec[A] =
+    MessageCodecFactory.defaultFactoryForJSON.of[A]
+}

src/main/scala-3/xerial/sbt/SonatypeCompat.scala

@@ -0,0 +1,9 @@
+package xerial.sbt.sonatype
+
+import wvlet.airframe.codec.MessageCodec
+import wvlet.airframe.codec.MessageCodecFactory
+
+private[sonatype] trait SonatypeCompat { self: SonatypeService =>
+  inline given codecInstance[A]: MessageCodec[A] =
+    MessageCodecFactory.defaultFactoryForJSON.of[A]
+}

src/main/scala/xerial/sbt/sonatype/SonatypeClient.scala

@@ -124,7 +124,7 @@ class SonatypeClient(
     // init * (multiplier ^ n) = max
     // n = log(max / init) / log(multiplier)
     val retryCountUntilMaxInterval = (math.log(maxInterval.toDouble / initInterval) / math.log(1.5)).toInt.max(1)
-    val numRetry                   = (timeoutMillis / maxInterval).ceil.toInt
+    val numRetry                   = (timeoutMillis / maxInterval).toDouble.ceil.toInt
     Retry.withBackOff(
       maxRetry = retryCountUntilMaxInterval + numRetry,
       initialIntervalMillis = initInterval,

src/main/scala/xerial/sbt/sonatype/SonatypeService.scala

@@ -4,7 +4,7 @@ import java.io.File
 import org.xerial.sbt.sonatype.BuildInfo
 import sbt.io.IO
 import scala.util.Try
-import wvlet.airframe.codec.MessageCodecFactory
+import wvlet.airframe.codec.MessageCodec
 import wvlet.log.LogSupport
 import xerial.sbt.sonatype.SonatypeClient.*
 import xerial.sbt.sonatype.SonatypeException.{MISSING_PROFILE, MISSING_STAGING_PROFILE, MULTIPLE_TARGETS, UNKNOWN_STAGE}
@@ -17,6 +17,7 @@ class SonatypeService(
     val profileName: String,
     cacheToken: Option[String]
 ) extends LogSupport
+    with SonatypeCompat
     with AutoCloseable {
   import SonatypeService.*
 
@@ -121,8 +122,7 @@ class SonatypeService(
     myProfiles
   }
 
-  private def withCache[A: scala.reflect.runtime.universe.TypeTag](label: String, fileName: String, a: => A): A = {
-    val codec     = MessageCodecFactory.defaultFactoryForJSON.of[A]
+  private def withCache[A](label: String, fileName: String, a: => A)(implicit codec: MessageCodec[A]): A = {
     val cachedir  = (Vector("sbt", "sonatype") ++ cacheToken).mkString("-")
     val cacheRoot = new File(s"target/${cachedir}")
     val cacheFile = new File(cacheRoot, fileName)