Apply requested changes

README.md

@@ -28,7 +28,7 @@ To port a build to Scala 3, run the following commands in order, in each project
 - `migrateDepedendencies <project>` helps you update the list of `libraryDependencies`
 - `migrateScalacOptions <project>` helps you update the list of `scalacOptions`
 - `migrateSyntax <project>` fixes a number of syntax incompatibilities between Scala 2.13 and Scala 3 
-- `migrateTypes <project>` tries to make your code compile with Scala 3 by infering a few types and resolving a few implicits.
+- `migrateTypes <project>` tries to make your code compile with Scala 3 by inferring a few types and resolving a few implicits.
 
 ## Contributions and feedbacks are welcome
 The tool is still under development, and **we would love to hear from you.**

migrate/src/main/scala/migrate/ScalacOptionsMigration.scala

@@ -31,7 +31,7 @@ object ScalacOptionsMigration {
 
         case first :: tail => loop(tail, first :: res)
       }
-    loop(tokens, Nil)
+    loop(tokens, Nil).distinct
   }
 
   private def migrate(scalacOption: String): MigratedScalacOption =
@@ -338,10 +338,10 @@ object ScalacOptionsMigration {
       case s"-Ytest-pickler$_"                  => Valid(scalacOption)
       case s"-Yunsound-match-types$_"           => Valid(scalacOption)
       case "-Xcheck-macros" | "--Xcheck-macros" => Valid(scalacOption)
-      case "-Xsemanticdb" | "-Ysemanticdb"      => Ignored
-      case "-Ykind-projector"                   => Ignored
-      case s"-coverage-out$_"                   => Ignored
-      case s"--coverage-out$_"                  => Ignored
+      case "-Xsemanticdb" | "-Ysemanticdb"      => Valid(scalacOption)
+      case "-Ykind-projector"                   => Valid(scalacOption)
+      case s"-coverage-out$_"                   => Valid(scalacOption)
+      case s"--coverage-out$_"                  => Valid(scalacOption)
 
       // plugin specific scalacOption
       case s"-P$_"               => Ignored

migrate/src/test/scala/migrate/ScalacOptionsMigrationSuite.scala

@@ -14,7 +14,9 @@ class ScalacOpionsMigrationSuite extends AnyFunSuiteLike with DiffAssertions {
       "-language:existentials",
       "-Xlint:_,-type-parameter-shadow",
       "-Xfatal-warnings",
-      "-Wunused patvars"
+      "-Wunused patvars",
+      "-encoding",
+      "UTF-8"
     )
     val expected = Seq(
       "-encoding UTF-8",

plugin/src/main/scala/migrate/CommandStrings.scala

@@ -15,7 +15,7 @@ object CommandStrings {
   val migrateBrief =
     (
       s"$migrateCommand <projectId>",
-      "Migrate the project to Scala 3 by infering necessary types and implicits"
+      "Migrate the project to Scala 3 by inferring necessary types and implicits"
     )
   val migrateDetailed =
     s"""|Usage : $migrateCommand <projectId>
@@ -49,7 +49,7 @@ object CommandStrings {
         |The status of a dependency can be:
         |- Valid: it can be used in Scala 3
         |- Updated version: the version needs to be updated
-        |- For 3 use 2.13: it is compatible with Scala 3 using CrossVersion.for3Use2.13
+        |- For 3 use 2.13: it is compatible with Scala 3 using CrossVersion.for3Use2_13
         |- Incompatible: it is incompatible with Scala 3 because it is a macro library or a compiler plugin
         |- Unclassified: sbt-scala3-migrate does not know how to migrate this dependency
         |""".stripMargin

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

@@ -56,7 +56,7 @@ object ScalaMigratePlugin extends AutoPlugin {
 
     val internalMigrateSyntax =
       taskKey[Unit]("fix some syntax incompatibilities with scala 3").withRank(KeyRanks.Invisible)
-    val internalMigrateScalacOptions = taskKey[Unit]("igrate of the scalacOptions").withRank(KeyRanks.Invisible)
+    val internalMigrateScalacOptions = taskKey[Unit]("migrate of the scalacOptions").withRank(KeyRanks.Invisible)
     val internalMigrateDependencies  = taskKey[Unit]("migrate dependencies").withRank(KeyRanks.Invisible)
     val internalMigrateTypes         = taskKey[Unit]("migrate types to scala 3").withRank(KeyRanks.Invisible)
   }

plugin/src/main/scala/migrate/ScalacOptionsMigration.scala

@@ -52,7 +52,6 @@ private[migrate] object ScalacOptionsMigration {
         .value
         .collect { case Value(scalacOptions) => scalacOptions }
         .flatten
-        .distinct
     }
   }