Set MIMA plugin for the project

.github/workflows/ci.yml

@@ -51,6 +51,9 @@ jobs:
       - name: Check that workflows are up to date
         run: sbt ++${{ matrix.scala }} githubWorkflowCheck
 
+      - name: Binary compatibility check
+        run: sbt ++${{ matrix.scala }} mimaReportBinaryIssues
+
       - name: Setup Python
         uses: actions/setup-python@v2
         with:

build.sbt

@@ -10,6 +10,8 @@ val irrecVersion = "0.4.0"
 
 val Scala212 = "2.12.14"
 
+val previousVersion = "0.10.1"
+
 ThisBuild / versionScheme := Some("semver-spec")
 
 ThisBuild / crossScalaVersions := Seq(Scala212)
@@ -19,6 +21,7 @@ lazy val root = Project("frameless", file("." + "frameless")).in(file("."))
   .aggregate(core, cats, dataset, ml, docs)
   .settings(framelessSettings: _*)
   .settings(noPublishSettings: _*)
+  .settings(mimaPreviousArtifacts := Set(), mimaFailOnNoPrevious := false)
 
 lazy val core = project
   .settings(name := "frameless-core")
@@ -88,6 +91,7 @@ lazy val docs = project
       "-Ydelambdafy:inline"
     )
   )
+  .settings(mimaPreviousArtifacts := Set(), mimaFailOnNoPrevious := false)
   .dependsOn(dataset, cats, ml)
 
 lazy val framelessSettings = Seq(
@@ -120,7 +124,8 @@ lazy val framelessSettings = Seq(
     "org.scalacheck" %% "scalacheck" % scalacheck % "test"),
   Test / javaOptions ++= Seq("-Xmx1G", "-ea"),
   Test / fork := true,
-  Test / parallelExecution := false
+  Test / parallelExecution := false,
+  mimaPreviousArtifacts := Set("org.typelevel" %% name.value % previousVersion)
 ) ++ consoleSettings
 
 lazy val consoleSettings = Seq(
@@ -213,7 +218,12 @@ copyReadme := copyReadmeImpl.value
 
 ThisBuild / githubWorkflowArtifactUpload := false
 
-ThisBuild / githubWorkflowBuild := Seq(
+ThisBuild / githubWorkflowBuild := Seq(WorkflowStep.Sbt(
+  List("mimaReportBinaryIssues"),
+  name = Some("Binary compatibility check")
+))
+
+ThisBuild / githubWorkflowBuild ++= Seq(
   WorkflowStep.Use(UseRef.Public("actions", "setup-python", "v2"),
                    name = Some("Setup Python"),
                    params = Map("python-version" -> "3.x")

project/plugins.sbt

@@ -2,3 +2,4 @@ addSbtPlugin("com.geirsson"   % "sbt-ci-release"     % "1.5.7")
 addSbtPlugin("org.scoverage"  % "sbt-scoverage"      % "1.8.2")
 addSbtPlugin("com.codecommit" % "sbt-github-actions" % "0.13.0")
 addSbtPlugin("org.scalameta"  % "sbt-mdoc"           % "2.2.23")
+addSbtPlugin("com.typesafe"   % "sbt-mima-plugin"    % "1.0.0")