Try out sbt-typelevel

build.sbt

@@ -6,7 +6,7 @@ val catsV = "2.7.0"
 val scalacheckV = "1.15.4"
 val disciplineMunitV = "1.0.9"
 
-enablePlugins(SonatypeCiReleasePlugin)
+enablePlugins(TypelevelCiReleasePlugin)
 
 // Projects
 lazy val `case-insensitive` = project
@@ -22,13 +22,7 @@ lazy val core = crossProject(JSPlatform, JVMPlatform)
     name := "case-insensitive",
     libraryDependencies ++= Seq(
       "org.typelevel" %%% "cats-core" % catsV
-    ),
-    Compile / unmanagedSourceDirectories ++= {
-      val major = if (isDotty.value) "-3" else "-2"
-      List(CrossType.Pure, CrossType.Full).flatMap(
-        _.sharedSrcDir(baseDirectory.value, "main").toList.map(f => file(f.getPath + major))
-      )
-    }
+    )
   )
 
 lazy val testing = crossProject(JSPlatform, JVMPlatform)
@@ -142,16 +136,9 @@ inThisBuild(
   List(
     organization := "org.typelevel",
     organizationName := "Typelevel",
-    publishGithubUser := "rossabaker",
-    publishFullName := "Ross A. Baker",
-    baseVersion := "1.1",
+    tlBaseVersion := "1.2",
     crossScalaVersions := Seq("2.12.15", Scala213, "3.0.2"),
     scalaVersion := crossScalaVersions.value.filter(_.startsWith("2.")).last,
-    versionIntroduced := Map(
-      "3.0.0-RC1" -> "1.0.0",
-      "3.0.0-RC2" -> "1.0.1",
-      "3.0.0-RC3" -> "1.1.3"
-    ),
     homepage := Some(url("https://github.com/typelevel/case-insensitive")),
     startYear := Some(2020),
     licenses := Seq("Apache-2.0" -> url("https://www.apache.org/licenses/LICENSE-2.0.html")),

project/build.sbt

@@ -0,0 +1 @@
+project/

project/plugins.sbt

@@ -1,5 +1,6 @@
 addSbtPlugin("com.47deg" % "sbt-microsites" % "1.3.4")
-addSbtPlugin("com.codecommit" % "sbt-spiewak-sonatype" % "0.22.1")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-ci-release" % "0.4-60549ca-SNAPSHOT")
+addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.6.0")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.2.24")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.3")