Add check

Author: BrainHorse

build.sbt

@@ -31,7 +31,8 @@ lazy val commonSettings = Seq(
 )
 
 val alias: Seq[sbt.Def.Setting[?]] =
-  addCommandAlias("build", "+all compile test")
+  addCommandAlias("build", "+all compile test") ++
+    addCommandAlias("check", "scalafmtCheck")
 
 lazy val root =
   project

modules/stream/src/main/scala/akka/stream.scala

@@ -1,7 +1,10 @@
 package akka
 
 package object stream {
-  @deprecated("The Materializer now has all methods the ActorMaterializer used to have", "Akka 2.6.0")
+  @deprecated(
+    "The Materializer now has all methods the ActorMaterializer used to have",
+    "Akka 2.6.0"
+  )
   type ActorMaterializer = org.apache.pekko.stream.ActorMaterializer
   type Materializer = org.apache.pekko.stream.Materializer
   val Materializer: org.apache.pekko.stream.Materializer.type =

project/plugins.sbt

@@ -1,3 +1,4 @@
 addSbtPlugin("com.github.sbt" % "sbt-dynver" % "5.1.0")
 addSbtPlugin("com.evolution" % "sbt-scalac-opts-plugin" % "0.0.9")
 addSbtPlugin("com.evolution" % "sbt-artifactory-plugin" % "0.0.2")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.4")