update scala 3 version (#271)

- also update sclafmt

Author: mlachkar

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: olafurpg/setup-scala@v10
       - run: sbt test
-#      - run: sbt compileScalafixOutputinScala3
+      - run: sbt compileScalafixOutputinScala3
   jdk11:
     name: test jdk11
     runs-on: ubuntu-latest
@@ -26,7 +26,7 @@ jobs:
         with:
           java-version: [email protected]
       - run: sbt test
-#      - run: sbt compileScalafixOutputinScala3
+      - run: sbt compileScalafixOutputinScala3
   windows_213:
     name: Windows tests
     runs-on: windows-latest

.scalafmt.conf

@@ -4,7 +4,7 @@ align.preset = most
 align.multiline = false
 continuationIndent.defnSite = 2
 assumeStandardLibraryStripMargin = true
-docstrings = JavaDoc
+docstrings.style = Asterisk
 lineEndings = preserve
 includeCurlyBraceInSelectChains = false
 danglingParentheses.preset = true

bin/scalafmt

@@ -3,15 +3,15 @@ import sbt.Keys.libraryDependencies
 
 inThisBuild(
   List(
-    scalaVersion := V.scala213,
-    semanticdbEnabled := true,
-    semanticdbVersion := V.scalameta,
+    scalaVersion               := V.scala213,
+    semanticdbEnabled          := true,
+    semanticdbVersion          := V.scalameta,
     scalafixScalaBinaryVersion := V.scala213BinaryVersion,
     scalafixDependencies ++= List("com.github.liancheng" %% "organize-imports" % V.organizeImports),
     organization := "ch.epfl.scala",
-    homepage := Some(url("https://github.com/scalacenter/scala3-migrate")),
-    licenses := List("Apache-2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0")),
-    developers := Developers.list,
+    homepage     := Some(url("https://github.com/scalacenter/scala3-migrate")),
+    licenses     := List("Apache-2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0")),
+    developers   := Developers.list,
     version ~= { dynVer =>
       if (isCI) dynVer
       else V.localSnapshotVersion // only for local publishing
@@ -24,19 +24,19 @@ lazy val `compiler-interfaces` = project
   .settings(
     scalaVersion := V.scala3,
     libraryDependencies ++= Seq("org.scala-lang" %% "scala3-compiler" % V.scala3),
-    crossPaths := false,
+    crossPaths       := false,
     autoScalaLibrary := false,
-    moduleName := "migrate-compiler-interfaces"
+    moduleName       := "migrate-compiler-interfaces"
   )
   .dependsOn(`migrate-interfaces`)
 
 lazy val `migrate-interfaces` = project
   .in(file("interfaces/migrate"))
   .settings(
     libraryDependencies ++= Seq("io.get-coursier" % "interface" % V.coursierInterface),
-    crossPaths := false,
+    crossPaths       := false,
     autoScalaLibrary := false,
-    moduleName := "migrate-core-interfaces"
+    moduleName       := "migrate-core-interfaces"
   )
 
 lazy val migrate = project
@@ -53,8 +53,8 @@ lazy val migrate = project
       "org.scalatest"   %% "scalatest"           % V.scalatest % Test,
       "ch.epfl.scala"    % "scalafix-testkit"    % V.scalafix  % Test cross CrossVersion.full
     ),
-    Test / test := (Test / test).dependsOn(`scalafix-rules` / publishLocal).value,
-    Test / testOnly := (Test / testOnly).dependsOn(`scalafix-rules` / publishLocal).evaluated,
+    Test / test             := (Test / test).dependsOn(`scalafix-rules` / publishLocal).value,
+    Test / testOnly         := (Test / testOnly).dependsOn(`scalafix-rules` / publishLocal).evaluated,
     Test / buildInfoPackage := "migrate.test",
     Test / buildInfoKeys := Seq(
       "version" -> version.value,
@@ -92,7 +92,7 @@ lazy val `sbt-plugin` = project
   .enablePlugins(SbtPlugin)
   .settings(
     scalaVersion := V.scala212,
-    name := "sbt-scala3-migrate",
+    name         := "sbt-scala3-migrate",
     scriptedLaunchOpts ++= Seq(s"-Dplugin.version=${version.value}"),
     scriptedDependencies := {
       scriptedDependencies
@@ -104,7 +104,7 @@ lazy val `sbt-plugin` = project
         )
         .value
     },
-    buildInfoPackage := "migrate",
+    buildInfoPackage  := "migrate",
     scriptedBufferLog := false,
     buildInfoKeys := Seq[BuildInfoKey](
       name,
@@ -122,8 +122,8 @@ lazy val output = project
   .in(file("output"))
   .settings(
     publish / skip := true,
-    scalaVersion := V.scala3,
-    scalacOptions := Seq("-Ykind-projector"),
+    scalaVersion   := V.scala3,
+    scalacOptions  := Seq("-Ykind-projector"),
     libraryDependencies ++= Seq("org.typelevel" % "cats-core_2.13" % V.catsCore)
   )
   .disablePlugins(ScalafixPlugin)
@@ -157,7 +157,7 @@ lazy val `scalafix-input` = project
 lazy val `scalafix-output` = project
   .in(file("scalafix/output"))
   .settings(
-    publish / skip := true,
+    publish / skip     := true,
     crossScalaVersions := List(V.scala213, V.scala3),
     scalacOptions ++= (if (scalaVersion.value.startsWith("3")) Seq("-Ykind-projector") else Seq()),
     libraryDependencies ++= {
@@ -208,7 +208,7 @@ lazy val V = new {
   val scala213BinaryVersion = "2.13"
   val scala212              = "2.12.14"
   val scalatest             = "3.2.10"
-  val scala3                = "3.0.0"
+  val scala3                = "3.0.2"
   val scalafix              = "0.9.31"
   val scribe                = "3.6.0"
   val organizeImports       = "0.4.3"

build.sbt

@@ -11,8 +11,8 @@ import migrate.utils.Timer._
 import scalafix.interfaces.ScalafixPatch
 
 /**
- * Given a [[FileMigrationState]] and a [[Scala3Compiler]], the [[FileMigration]] class
- * tries to find the minimum set of patches that makes the code compile
+ * Given a [[FileMigrationState]] and a [[Scala3Compiler]], the [[FileMigration]] class tries to find the minimum set of
+ * patches that makes the code compile
  */
 private[migrate] class FileMigration(fileToMigrate: FileMigrationState.Initial, compiler: Scala3Compiler) {
 
@@ -43,8 +43,10 @@ private[migrate] class FileMigration(fileToMigrate: FileMigrationState.Initial,
   /**
    * A instance of [[CompilingState]] is a set of patches that are sufficient to make the code compiles.
    *
-   * @param candidates         A set of patches that may or may not be necessary
-   * @param necessaryPatches   A set of necessary patches
+   * @param candidates
+   *   A set of patches that may or may not be necessary
+   * @param necessaryPatches
+   *   A set of necessary patches
    */
   private case class CompilingState(candidates: Seq[ScalafixPatch], necessaryPatches: Seq[ScalafixPatch]) {
 
@@ -78,9 +80,12 @@ private[migrate] class FileMigration(fileToMigrate: FileMigrationState.Initial,
     /**
      * A [[CompilationStep]] is an intermediate step at which we try to compile the code
      *
-     * @param kept       The patches that we keep to make the code compile
-     * @param removed    The patches that we try to remove
-     * @param necessary  Some patch that is necessary or none
+     * @param kept
+     *   The patches that we keep to make the code compile
+     * @param removed
+     *   The patches that we try to remove
+     * @param necessary
+     *   Some patch that is necessary or none
      */
     private case class CompilationStep(
       kept: Seq[ScalafixPatch],

migrate/src/main/scala/migrate/internal/FileMigration.scala

@@ -8,6 +8,6 @@ object Incompat1 {
 
     def inner(foo: Foo): foo.Inner = ???
 
-    def bar(f: String => Int): Option[Int] = Some.apply[String](inner(foo)).map(f)
+    def bar(f: String => Int): Option[Int] = Some(inner(foo)).map(f)
   }
 }

output/src/main/scala/migrate/Incompat1.scala

@@ -77,18 +77,18 @@ object ScalaMigratePlugin extends AutoPlugin {
         if (actual > migrateScalametaVersion) actual else migrateScalametaVersion
       } else semanticdbVersion.value
     },
-    migrationConfigs := migrationConfigsImpl.value,
-    migrationConfigs / aggregate := false,
-    storeScala2Inputs := storeScala2InputsImpl.value,
-    storeScala2Inputs / aggregate := false,
-    internalMigrateScalacOptions := ScalacOptionsMigration.internalImpl.value,
+    migrationConfigs                         := migrationConfigsImpl.value,
+    migrationConfigs / aggregate             := false,
+    storeScala2Inputs                        := storeScala2InputsImpl.value,
+    storeScala2Inputs / aggregate            := false,
+    internalMigrateScalacOptions             := ScalacOptionsMigration.internalImpl.value,
     internalMigrateScalacOptions / aggregate := false,
-    internalMigrateSyntax := SyntaxMigration.internalImpl.value,
-    internalMigrateSyntax / aggregate := false,
-    internalMigrate := TypeInferenceMigration.internalImpl.value,
-    internalMigrate / aggregate := false,
-    internalMigrateLibs := LibsMigration.internalImpl.value,
-    internalMigrateLibs / aggregate := false,
+    internalMigrateSyntax                    := SyntaxMigration.internalImpl.value,
+    internalMigrateSyntax / aggregate        := false,
+    internalMigrate                          := TypeInferenceMigration.internalImpl.value,
+    internalMigrate / aggregate              := false,
+    internalMigrateLibs                      := LibsMigration.internalImpl.value,
+    internalMigrateLibs / aggregate          := false,
     commands ++= Seq(migrateSyntax, migrateScalacOptions, migrateLibDependencies, migrate, fallback),
     inConfig(Compile)(configSettings),
     inConfig(Test)(configSettings)
@@ -154,9 +154,8 @@ object ScalaMigratePlugin extends AutoPlugin {
   }
 
   /**
-   * Return all configurations that can be migrated in a project.
-   * If config A extends config B then B appears first
-   * ex: List(Compile, Test) because Test extends Runtime which extends Compile
+   * Return all configurations that can be migrated in a project. If config A extends config B then B appears first ex:
+   * List(Compile, Test) because Test extends Runtime which extends Compile
    */
   private def migrationConfigsImpl = Def.setting {
     val project = thisProject.value

plugin/src/main/scala/migrate/ScalaMigratePlugin.scala

@@ -1,7 +1,7 @@
 package migrate
 
 import migrate.ScalaMigratePlugin.Keys._
-import migrate.ScalaMigratePlugin.{ scala3Version }
+import migrate.ScalaMigratePlugin.scala3Version
 import ScalaMigratePlugin.migrateAPI
 
 import sbt.Keys._

plugin/src/main/scala/migrate/SyntaxMigration.scala

@@ -9,7 +9,7 @@ lazy val subproject = project
 lazy val `aggregate-project` = project
   .in(file("."))
   .settings(TaskKey[Unit]("checkMigration") := {
-    assert(scalaVersion.value == "3.0.0")
+    assert(scalaVersion.value == "3.0.2", s"Wrong scala version ${scalaVersion.value}. Expected 3.0.2")
     (Compile / compile).value
   })
   .aggregate(subproject)

plugin/src/sbt-test/sbt-scala3-migrate/aggregate-project/build.sbt

@@ -0,0 +1 @@
+sbt.version=1.5.3