Cross build to sbt v2

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.20]
+        scala: [3.3.4, 2.12.20]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -68,7 +68,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.20]
+        scala: [3.3.4]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -88,6 +88,16 @@ jobs:
       - name: Setup sbt
         uses: sbt/setup-sbt@v1
 
+      - name: Download target directories (3.3.4)
+        uses: actions/download-artifact@v4
+        with:
+          name: target-${{ matrix.os }}-3.3.4-${{ matrix.java }}
+
+      - name: Inflate target directories (3.3.4)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
       - name: Download target directories (2.12.20)
         uses: actions/download-artifact@v4
         with:

.scalafmt.conf

@@ -1,6 +1,12 @@
 version = "3.8.3"
 runner.dialect = scala212
 
+fileOverride {
+  "glob:**/scala-3/**" {
+    runner.dialect = scala3
+  }
+}
+
 maxColumn = 100
 lineEndings=preserve
 binPack.literalArgumentLists = true

build.sbt

@@ -30,7 +30,10 @@ ThisBuild / developers := List(
 )
 
 // sbt-github-actions
-ThisBuild / scalaVersion := "2.12.20"
+lazy val scala3 = "3.3.4"
+lazy val scala212 = "2.12.20"
+ThisBuild / scalaVersion := scala3
+ThisBuild / crossScalaVersions := Seq(scala3, scala212)
 ThisBuild / githubWorkflowBuild := Seq(
   WorkflowStep.Sbt(name = Some("Build project"), commands = List("compile", "test", "scripted"))
 )
@@ -96,9 +99,20 @@ lazy val `sbt-avro`: Project = project
   .enablePlugins(BuildInfoPlugin, SbtPlugin)
   .settings(
     description := "Sbt plugin for compiling Avro sources",
+    (pluginCrossBuild / sbtVersion) := {
+      scalaBinaryVersion.value match {
+        case "2.12" => "1.5.0"
+        case _      => "2.0.0-M2"
+      }
+    },
+    scriptedSbt := {
+      scalaBinaryVersion.value match {
+        case "2.12" => "1.10.3"
+        case _      => "2.0.0-M2"
+      }
+    },
     buildInfoKeys := Seq[BuildInfoKey](name, version),
     buildInfoPackage := "com.github.sbt.avro",
-    pluginCrossBuild / sbtVersion := "1.3.0",
     Compile / scalacOptions ++= Seq("-deprecation"),
     scriptedLaunchOpts ++= Seq(
       "-Xmx1024M",

plugin/src/main/scala-2.12/com/github/sbt/avro/PluginCompat.scala

@@ -0,0 +1,14 @@
+package com.github.sbt.avro
+import sbt.*
+import xsbti.FileConverter
+
+import java.nio.file.{Path => NioPath}
+
+private[avro] object PluginCompat {
+  type FileRef = java.io.File
+  type Out = java.io.File
+
+  def toNioPath(a: Attributed[File])(implicit conv: FileConverter): NioPath =
+    a.data.toPath()
+  def toFileRef(f: File): FileRef = f
+}

plugin/src/main/scala-3/com/github/sbt/avro/PluginCompat.scala

@@ -0,0 +1,14 @@
+package com.github.sbt.avro
+
+import java.nio.file.{Path => NioPath}
+import sbt.*
+import xsbti.{FileConverter, HashedVirtualFileRef, VirtualFile}
+
+private[avro] object PluginCompat:
+  type FileRef = HashedVirtualFileRef
+  type Out = VirtualFile
+
+  def toNioPath(a: Attributed[HashedVirtualFileRef])(using conv: FileConverter): NioPath =
+    conv.toPath(a.data)
+
+  def toFileRef(f: File)(using conv: FileConverter): FileRef = conv.toVirtualFile(f.toPath)

plugin/src/main/scala/com/github/sbt/avro/SbtAvro.scala

@@ -1,8 +1,9 @@
 package com.github.sbt.avro
 
 import sbt.Keys.*
-import sbt.*
+import sbt.{*, given}
 import Path.relativeTo
+import PluginCompat.*
 import sbt.librarymanagement.DependencyFilter
 
 import java.io.File
@@ -45,10 +46,11 @@ object SbtAvro extends AutoPlugin {
 
     val avroGenerate = taskKey[Seq[File]]("Generate Java sources for Avro schemas.")
     val avroUnpackDependencies = taskKey[Seq[File]]("Unpack avro dependencies.")
-    val packageAvro = taskKey[File]("Produces an avro artifact, such as a jar containing avro schemas.")
+    val packageAvro = taskKey[FileRef]("Produces an avro artifact, such as a jar containing avro schemas.")
     // format: on
 
-    lazy val avroArtifactTasks: Seq[TaskKey[File]] = Seq(Compile, Test).map(_ / packageAvro)
+    lazy val avroArtifactTasks: Seq[TaskKey[FileRef]] =
+      Seq(Compile, Test).map(conf => conf / packageAvro)
 
     lazy val defaultSettings: Seq[Setting[_]] = Seq(
       // compiler
@@ -108,8 +110,11 @@ object SbtAvro extends AutoPlugin {
 
   import autoImport._
 
-  def packageAvroMappings: Def.Initialize[Task[Seq[(File, String)]]] = Def.task {
-    avroUnmanagedSourceDirectories.value.flatMap(src => (src ** AvroFilter).pair(relativeTo(src)))
+  def packageAvroMappings: Def.Initialize[Task[Seq[(FileRef, String)]]] = Def.task {
+    implicit val conv: xsbti.FileConverter = fileConverter.value
+    avroUnmanagedSourceDirectories.value
+      .flatMap(src => (src ** AvroFilter).pair(relativeTo(src)))
+      .map { case (p, path) => toFileRef(p) -> path }
   }
 
   override def trigger: PluginTrigger = noTrigger
@@ -158,6 +163,7 @@ object SbtAvro extends AutoPlugin {
   private def unpackDependenciesTask(key: TaskKey[Seq[File]]) = Def.task {
     val cacheBaseDirectory = Defaults.makeCrossTarget(
       streams.value.cacheDirectory,
+      scalaVersion.value,
       scalaBinaryVersion.value,
       (pluginCrossBuild / sbtBinaryVersion).value,
       sbtPlugin.value,
@@ -184,6 +190,7 @@ object SbtAvro extends AutoPlugin {
     val externalSrcDir = (avroUnpackDependencies / target).value
     val srcDirs = avroUnmanagedSourceDirectories.value :+ externalSrcDir
     val outDir = (key / target).value
+    implicit val conv: xsbti.FileConverter = fileConverter.value // used by PluginCompat
 
     val cachedCompile = {
       import sbt.util.CacheStoreFactory
@@ -215,7 +222,10 @@ object SbtAvro extends AutoPlugin {
                 // TODO Cache class loader
                 val avroClassLoader = new URLClassLoader(
                   "AvroClassLoader",
-                  (Avro / dependencyClasspath).value.map(_.data.toURI.toURL).toArray,
+                  (Avro / dependencyClasspath).value
+                    .map(toNioPath)
+                    .map(_.toUri.toURL)
+                    .toArray,
                   this.getClass.getClassLoader
                 )
 
@@ -234,13 +244,13 @@ object SbtAvro extends AutoPlugin {
 
                 try {
                   val recs = records.map(avroClassLoader.loadClass)
-                  val avdls = srcDirs.flatMap(d => (d ** AvroAvdlFilter).get)
+                  val avdls = srcDirs.flatMap(d => (d ** AvroAvdlFilter).get())
                   val avscs = srcDirs.flatMap(d =>
-                    (d ** AvroAvscFilter).get.map(avsc =>
-                      new AvroFileRef(d, avsc.relativeTo(d).get.toString)
-                    )
+                    (d ** AvroAvscFilter)
+                      .get()
+                      .map(avsc => new AvroFileRef(d, avsc.relativeTo(d).get.toString))
                   )
-                  val avprs = srcDirs.flatMap(d => (d ** AvroAvrpFilter).get)
+                  val avprs = srcDirs.flatMap(d => (d ** AvroAvrpFilter).get())
 
                   out.log.info(
                     s"Avro compiler ${avroVersion.value} using stringType=${avroStringType.value}"
@@ -251,7 +261,7 @@ object SbtAvro extends AutoPlugin {
                   compiler.compileAvscs(avscs.toArray, outDir)
                   compiler.compileAvprs(avprs.toArray, outDir)
 
-                  (outDir ** SbtAvro.JavaFileFilter).get.toSet
+                  (outDir ** SbtAvro.JavaFileFilter).get().toSet
                 } finally {
                   avroClassLoader.close()
                 }
@@ -263,7 +273,7 @@ object SbtAvro extends AutoPlugin {
         }
     }
 
-    cachedCompile((srcDirs ** AvroFilter).get.toSet, avroSpecificRecords.value).toSeq
+    cachedCompile((srcDirs ** AvroFilter).get().toSet, avroSpecificRecords.value).toSeq
   }
 
 }

plugin/src/sbt-test/sbt-avro/basic/build.sbt

@@ -1,17 +1,96 @@
 ThisBuild / scalaVersion := "2.13.11"
 
-lazy val basic = crossProject(
-    Avro("1.12.0"),
-    Avro("1.11.3"),
-    Avro("1.10.0"),
-    Avro("1.9.2"),
-    Avro("1.8.2"),
-  )
-  .crossType(CrossType.Pure)
+lazy val files = Seq(
+  "A", "B", "C", "D", "E", "_A", "_B", "_C", "_D", "_E", "LogicalTypesTest"
+)
+
+lazy val testFiles = Seq(
+  "X", "Y", "Z"
+)
+
+val checkGenerated = TaskKey[Unit]("checkGenerated")
+val checkCompiled = TaskKey[Unit]("checkCompiled")
+
+def exists(f: File): Unit = assert(f.exists(), s"$f does not exist")
+
+val checkSettings = inConfig(Compile)(Def.settings(
+  checkGenerated := {
+    files.foreach { f =>
+      exists(crossTarget.value / "src_managed" / "compiled_avro" / "main" / "com" / "github" / "sbt" / "avro" / "test" /  s"$f.java")
+    }
+  },
+  checkCompiled := {
+    files.foreach { f =>
+      exists(classDirectory.value / "com" / "github" / "sbt" / "avro" / "test" /  s"$f.class")
+    }
+  }
+)) ++ inConfig(Test)(Def.settings(
+  checkGenerated := {
+    testFiles.foreach { f =>
+      exists(crossTarget.value / "src_managed" / "compiled_avro" / "test" / "com" / "github" / "sbt" / "avro" / "test" /  s"$f.java")
+    }
+  },
+  checkCompiled := {
+    testFiles.foreach { f =>
+      exists(classDirectory.value / "com" / "github" / "sbt" / "avro" / "test" /  s"$f.class")
+    }
+  }
+))
+
+
+lazy val `basic` = project
   .in(file("."))
-  .avroSettings("1.9.2")(
-    libraryDependencies += "joda-time" % "joda-time" % "2.12.7"
+  .aggregate(
+    `basic8`,
+    `basic9`,
+    `basic10`,
+    `basic11`,
+    `basic12`
+  )
+
+lazy val `basic8` = project
+  .in(file(".basic_8"))
+  .enablePlugins(SbtAvro)
+  .settings(checkSettings)
+  .settings(
+    avroVersion := "1.8.2",
+    libraryDependencies += "joda-time" % "joda-time" % "2.12.7",
+    sourceDirectory := file(".") / "src"
+  )
+
+lazy val `basic9` = project
+  .in(file(".basic_9"))
+  .enablePlugins(SbtAvro)
+  .settings(checkSettings)
+  .settings(
+    avroVersion := "1.9.2",
+    libraryDependencies += "joda-time" % "joda-time" % "2.12.7",
+    sourceDirectory := file(".") / "src"
+  )
+
+lazy val `basic10` = project
+  .in(file(".basic_10"))
+  .enablePlugins(SbtAvro)
+  .settings(checkSettings)
+  .settings(
+    avroVersion := "1.10.0",
+    sourceDirectory := file(".") / "src"
+  )
+
+lazy val `basic11` = project
+  .in(file(".basic_11"))
+  .enablePlugins(SbtAvro)
+  .settings(checkSettings)
+  .settings(
+    avroVersion := "1.11.3",
+    sourceDirectory := file(".") / "src"
   )
-  .avroSettings("1.8.2")(
-    libraryDependencies += "joda-time" % "joda-time" % "2.12.7"
+
+lazy val `basic12` = project
+  .in(file(".basic_12"))
+  .enablePlugins(SbtAvro)
+  .settings(checkSettings)
+  .settings(
+    avroVersion := "1.12.0",
+    sourceDirectory := file(".") / "src"
   )

plugin/src/sbt-test/sbt-avro/basic/project/plugins.sbt

@@ -3,5 +3,3 @@ sys.props.get("plugin.version") match {
   case _ => sys.error("""|The system property 'plugin.version' is not defined.
                          |Specify this property using the scriptedLaunchOpts -D.""".stripMargin)
 }
-
-addSbtPlugin("org.portable-scala" % "sbt-crossproject" % "1.3.2")

plugin/src/sbt-test/sbt-avro/basic/src/main/avro/logicalType.avsc

@@ -1,6 +1,6 @@
 {
   "name": "LogicalTypesTest",
-  "namespace": "org.apache.parquet.avro",
+  "namespace": "com.github.sbt.avro.test",
   "doc": "Record for testing logical types",
   "type": "record",
   "fields": [