Drop scala 2.10 support

.gitignore

@@ -8,3 +8,4 @@ bin/
 .project
 .cache*
 *~
+.bsp

build.sbt

@@ -10,40 +10,34 @@ lazy val commonSettings = inConfig(Test)(Defaults.testSettings) ++
     sonatypeProfileName := organization.value,
     scalaVersion := crossScalaVersions.value.head,
     crossScalaVersions := Seq(
-      "2.13.0",
-      "2.12.8",
-      "2.11.12",
-      "2.10.7"
+      "2.13.5",
+      "2.12.13",
+      "2.11.12"
     ),
     scalacOptions ++= (CrossVersion.partialVersion(scalaVersion.value) match {
       case Some((2, major)) if major >= 12 => Seq(
         "-Xlint:-unused,_", "-Ywarn-unused:imports",
         "-language:postfixOps", "-language:implicitConversions",
         "-deprecation", "-feature"
       )
-      case Some((2, major)) if major >= 11 =>
-        scalac2_10Options ++ scalac2_11Options
       case _ =>
-        scalac2_10Options
+        scalac2_11Options
     }),
     credentials ++= {
       val creds = Path.userHome / ".m2" / "credentials"
       if (creds.exists) Seq(Credentials(creds)) else Nil
     }
   )
 
-def scalac2_10Options = Seq(
+def scalac2_11Options = Seq(
   "-encoding", "UTF-8",
   "-feature",
   "-language:_",
   "-unchecked",
   "-Xlint",
   "-Xfuture",
   "-Yno-adapted-args",
-  "-Ywarn-dead-code"
-)
-
-def scalac2_11Options = Seq(
+  "-Ywarn-dead-code",
   "-deprecation:false",
   "-Xlint",
   "-Xfatal-warnings",
@@ -74,25 +68,16 @@ def subprojectSettings(projectName: String) = commonSettings ++ Seq(
     (baseDirectory.value / ".." / "formatterPreferences.properties").getPath)
 )
 
-def scala2_11Dependencies = Def.setting {
-  CrossVersion.partialVersion(scalaVersion.value) match {
-    case Some((2, major)) if major >= 11 =>
-      val parserV = if (major == 11) "1.1.1" else "1.1.2" // cf https://github.com/scala/scala-parser-combinators/issues/197
-      Seq(
-        "org.scala-lang.modules" %% "scala-xml"                % "1.2.0",
-        "org.scala-lang.modules" %% "scala-parser-combinators" % parserV
-      )
-    case _ => Nil
-  }
-}
-
 lazy val scalariform = (project
   enablePlugins(BuildInfoPlugin)
   settings(subprojectSettings("scalariform"))
   settings(publishSettings("scalariform"))
   settings(
-    libraryDependencies ++= scala2_11Dependencies.value,
-    libraryDependencies += "org.scalatest" %% "scalatest" % "3.1.0-SNAP13" % Test,
+    libraryDependencies ++=   Seq(
+      "org.scala-lang.modules" %% "scala-xml"                % "1.3.0",
+      "org.scala-lang.modules" %% "scala-parser-combinators" % "1.2.0-M2",
+      "org.scalatest"          %% "scalatest"                % "3.1.0-SNAP13" % Test
+    ),
     // sbt doesn't automatically load the content of the MANIFST.MF file, therefore
     // we have to do it here by ourselves. Furthermore, the version format in the
     // MANIFEST.MF is `version.qualifier`, which means that we have to replace

project/build.properties

@@ -1 +1 @@
-sbt.version=1.2.8
+sbt.version=1.4.7

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("org.scalariform" % "sbt-scalariform"  % "1.8.2")
-addSbtPlugin("com.jsuereth"    % "sbt-pgp"          % "1.1.2")
-addSbtPlugin("com.eed3si9n"    % "sbt-buildinfo"    % "0.9.0")
-addSbtPlugin("org.xerial.sbt"  % "sbt-sonatype"     % "2.0")
-addSbtPlugin("com.eed3si9n"    % "sbt-assembly"     % "0.14.9")
-addSbtPlugin("com.typesafe"    % "sbt-mima-plugin"  % "0.3.0")
+addSbtPlugin("com.github.sbt"  % "sbt-pgp"          % "2.1.2")
+addSbtPlugin("com.eed3si9n"    % "sbt-buildinfo"    % "0.10.0")
+addSbtPlugin("org.xerial.sbt"  % "sbt-sonatype"     % "3.9.7")
+addSbtPlugin("com.eed3si9n"    % "sbt-assembly"     % "0.15.0")
+addSbtPlugin("com.typesafe"    % "sbt-mima-plugin"  % "0.8.1")