add sbt-version-policy plugin (#261)

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
           java-version: [email protected]
 
       - name: build ${{ matrix.scala }}
-        run: sbt ++${{ matrix.scala }} clean coverage test
+        run: sbt ++${{ matrix.scala }} clean coverage test versionPolicyCheck
 
       - name: test coverage
         if: success()
@@ -40,4 +40,4 @@ jobs:
         with:
           type: ${{ job.status }}
           job_name: Build
-          url: ${{ secrets.SLACK_WEBHOOK }}
+          url: ${{ secrets.SLACK_WEBHOOK }}

build.sbt

@@ -1,5 +1,8 @@
 import Dependencies._
 
+ThisBuild / versionScheme := Some("early-semver")
+ThisBuild / versionPolicyIntention := Compatibility.BinaryCompatible
+
 def crossSettings[T](scalaVersion: String, if3: List[T], if2: List[T]) =
   CrossVersion.partialVersion(scalaVersion) match {
     case Some((3, _)) => if3

project/plugins.sbt

@@ -6,4 +6,6 @@ addSbtPlugin("com.github.sbt" % "sbt-release" % "1.1.0")
 
 addSbtPlugin("com.evolution" % "sbt-scalac-opts-plugin" % "0.0.9")
 
-addSbtPlugin("com.evolution" % "sbt-artifactory-plugin" % "0.0.2")
+addSbtPlugin("com.evolution" % "sbt-artifactory-plugin" % "0.0.2")
+
+addSbtPlugin("ch.epfl.scala" % "sbt-version-policy" % "3.2.1")