Add mima checking

.github/workflows/ci.yml

@@ -39,6 +39,8 @@ jobs:
       run: sbt +Test/compile
     - name: Check artifacts build process
       run: sbt +publishLocal
+    - name: Mima check
+      run: sbt mimaChecks
     - name: Check website build process
       run: sbt docs/clean; sbt docs/buildWebsite
   lint:

build.sbt

@@ -1,3 +1,6 @@
+import MimaSettings.mimaSettings
+import zio.sbt.githubactions.Step.SingleStep
+
 enablePlugins(ZioSbtEcosystemPlugin, ZioSbtCiPlugin)
 
 inThisBuild(
@@ -28,6 +31,12 @@ inThisBuild(
       )
     ),
     ciEnabledBranches := Seq("series/2.x"),
+    ciCheckArtifactsBuildSteps ++= Seq(
+      SingleStep(
+        name = "Mima check",
+        run = Some("sbt mimaChecks")
+      )
+    ),
     pgpPassphrase     := sys.env.get("PGP_PASSWORD").map(_.toArray),
     pgpPublicRing     := file("/tmp/public.asc"),
     pgpSecretRing     := file("/tmp/secret.asc"),
@@ -49,6 +58,10 @@ addCommandAlias(
   "compileExamples",
   "opentracingExample/compile;opentelemetryExample/compile;opentelemetryInstrumentationExample/compile"
 )
+addCommandAlias(
+  "mimaChecks",
+  "all opentracing/mimaReportBinaryIssues opentelemetry/mimaReportBinaryIssues opencensus/mimaReportBinaryIssues"
+)
 
 def stdModuleSettings(name: Option[String], packageName: Option[String]) =
   stdSettings(name, packageName) ++
@@ -89,6 +102,7 @@ lazy val opentracing =
       )
     )
     .settings(libraryDependencies ++= Dependencies.opentracing)
+    .settings(mimaSettings(failOnProblem = true))
 
 lazy val opentelemetry =
   project
@@ -101,6 +115,7 @@ lazy val opentelemetry =
       )
     )
     .settings(libraryDependencies ++= Dependencies.opentelemetry)
+    .settings(mimaSettings(failOnProblem = true))
 
 lazy val opencensus = project
   .in(file("opencensus"))
@@ -112,6 +127,7 @@ lazy val opencensus = project
     )
   )
   .settings(libraryDependencies ++= Dependencies.opencensus)
+  .settings(mimaSettings(failOnProblem = true))
 
 lazy val opentracingExample =
   project

project/MimaSettings.scala

@@ -0,0 +1,20 @@
+import com.typesafe.tools.mima.core.Problem
+import com.typesafe.tools.mima.core.ProblemFilters.exclude
+import com.typesafe.tools.mima.plugin.MimaKeys.*
+import sbt.*
+import sbt.Keys.{name, organization}
+
+object MimaSettings {
+  lazy val bincompatVersionToCompare = "3.0.0-RC1"
+
+  def mimaSettings(failOnProblem: Boolean) =
+    Seq(
+      mimaPreviousArtifacts := Set(organization.value %% name.value % bincompatVersionToCompare),
+      mimaBinaryIssueFilters ++= Seq(
+        exclude[Problem]("zio.telemetry.opentelemetry.*"),
+        exclude[Problem]("zio.telemetry.opentracing.*"),
+        exclude[Problem]("zio.telemetry.opencensus.*")
+      ),
+      mimaFailOnProblem     := false
+    )
+}

project/plugins.sbt

@@ -10,6 +10,7 @@ addSbtPlugin("org.scoverage"                     % "sbt-scoverage"     % "2.0.11
 addSbtPlugin("dev.zio"                           % "zio-sbt-ci"        % zioSbtVersion)
 addSbtPlugin("dev.zio"                           % "zio-sbt-ecosystem" % zioSbtVersion)
 addSbtPlugin("dev.zio"                           % "zio-sbt-website"   % zioSbtVersion)
+addSbtPlugin("com.typesafe"                      % "sbt-mima-plugin"   % "1.1.3")
 
 libraryDependencies += "org.snakeyaml" % "snakeyaml-engine" % "2.7"