From 03ed05c0fcb948237d66f032c4e530b2349404b9 Mon Sep 17 00:00:00 2001
From: Jakob Odersky <jakob@driver.xyz>
Date: Thu, 11 Oct 2018 12:28:03 -0700
Subject: Enable the Migration Manager Plugin to check for ABI changes

---
 project/MiMaSettings.scala | 28 ++++++++++++++++++++++++++++
 project/plugins.sbt        |  3 ++-
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 project/MiMaSettings.scala

(limited to 'project')

diff --git a/project/MiMaSettings.scala b/project/MiMaSettings.scala
new file mode 100644
index 0000000..d3ec3c1
--- /dev/null
+++ b/project/MiMaSettings.scala
@@ -0,0 +1,28 @@
+import com.typesafe.tools.mima.plugin.MimaPlugin
+import sbt.{Def, _}
+import sbt.Keys._
+
+/** This plugin extends the Migration Manager (MiMa) Plugin with common settings
+  * for driver-core projects.
+  */
+object MiMaSettings extends AutoPlugin {
+
+  override def requires = MimaPlugin
+  override def trigger  = allRequirements
+
+  object autoImport {
+    val abiVersion = settingKey[String]("Previous version of binary-compatible projects")
+    val checkAbi   = taskKey[Unit]("Check ABI compatibility with declared abiVersion")
+  }
+  import autoImport._
+  import MimaPlugin.autoImport._
+
+  override def buildSettings: Seq[Def.Setting[_]] = Seq(abiVersion := "")
+  override def projectSettings: Seq[Def.Setting[_]] = Seq(
+    mimaPreviousArtifacts := Set(
+      "xyz.driver" %% name.value % abiVersion.value
+    ),
+    checkAbi := mimaReportBinaryIssues.value
+  )
+
+}
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 736226d..f0e3a6d 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1,2 @@
-addSbtPlugin("xyz.driver" % "sbt-settings" % "2.0.9")
+addSbtPlugin("xyz.driver"   % "sbt-settings"    % "2.0.9")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.3.0")
-- 
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