Add MiMa

Author: adamw

.github/workflows/ci.yml

@@ -31,6 +31,8 @@ jobs:
       run: sudo apt-get install libidn11-dev
     - name: Compile
       run: sbt -v compile
+    - name: Check MiMa # disable for major releases
+      run: sbt -v mimaReportBinaryIssues
     - name: Test
       run: sbt -v test
     - name: Cleanup

build.sbt

@@ -25,7 +25,10 @@ val commonSettings = commonSmlBuildSettings ++ ossPublishSettings ++ Seq(
   organization := "com.softwaremill.sttp.shared",
   libraryDependencies ++= Seq(
     "org.scalatest" %% "scalatest" % scalaTestVersion % Test
-  )
+  ),
+  mimaPreviousArtifacts := previousStableVersion.value.map(organization.value %% moduleName.value % _).toSet,
+  mimaReportBinaryIssues := { if ((publish / skip).value) {} else mimaReportBinaryIssues.value },
+  versionScheme := Some("semver-spec")
 )
 
 val commonJvmSettings = commonSettings ++ Seq(

project/plugins.sbt

@@ -9,3 +9,4 @@ addSbtPlugin("com.softwaremill.sbt-softwaremill" % "sbt-softwaremill-publish" %
 addSbtPlugin("com.softwaremill.sbt-softwaremill" % "sbt-softwaremill-browser-test-js" % sbtSoftwareMillVersion)
 
 addSbtPlugin("org.jetbrains" % "sbt-ide-settings" % "1.1.0")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.9.2")