Ensure we don't break binary compatibility in lm-coursier

build.sbt

@@ -21,6 +21,7 @@ lazy val `lm-coursier` = project
   .in(file("modules/lm-coursier"))
   .settings(
     shared,
+    Mima.settings,
     libraryDependencies ++= Seq(
       "io.get-coursier" %% "coursier" % coursierVersion0,
       // We depend on librarymanagement-ivy rather than just

project/Mima.scala

@@ -0,0 +1,33 @@
+
+import com.typesafe.tools.mima.plugin.MimaPlugin
+import sbt._
+import sbt.Keys._
+import sys.process._
+
+object Mima {
+
+  private def stable(ver: String): Boolean =
+    ver.exists(c => c != '0' && c != '.') &&
+    ver
+      .replace("-RC", "-")
+      .forall(c => c == '.' || c == '-' || c.isDigit)
+
+  def binaryCompatibilityVersions: Set[String] =
+    Seq("git", "tag", "--merged", "HEAD^", "--contains", "736d5c11")
+      .!!
+      .linesIterator
+      .map(_.trim)
+      .filter(_.startsWith("v"))
+      .map(_.stripPrefix("v"))
+      .filter(stable)
+      .toSet
+
+  def settings: Seq[Setting[_]] = Seq(
+    MimaPlugin.autoImport.mimaPreviousArtifacts := {
+      binaryCompatibilityVersions.map { ver =>
+        (organization.value % moduleName.value % ver).cross(crossVersion.value)
+      }
+    }
+  )
+
+}