From 9dfcb2af1870e267d8759e39e38cf3c5b12abef4 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Wed, 1 Dec 2021 19:27:02 +0000
Subject: [PATCH] Enable MiMa for Scala 3

---
 .../main/scala/sbtspiewak/SpiewakPlugin.scala | 69 +++++++++----------
 1 file changed, 33 insertions(+), 36 deletions(-)

diff --git a/core/src/main/scala/sbtspiewak/SpiewakPlugin.scala b/core/src/main/scala/sbtspiewak/SpiewakPlugin.scala
index 0bdb4a1..12ad08a 100644
--- a/core/src/main/scala/sbtspiewak/SpiewakPlugin.scala
+++ b/core/src/main/scala/sbtspiewak/SpiewakPlugin.scala
@@ -470,53 +470,50 @@ object SpiewakPlugin extends AutoPlugin {
       },
 
       mimaPreviousArtifacts := {
-        if (!isDotty.value) {
-          val current = version.value
-          val org = organization.value
-          val n = moduleName.value
+        val current = version.value
+        val org = organization.value
+        val n = moduleName.value
 
-          val TagBase = """^(\d+)\.(\d+).*"""r
-          val TagBase(major, minor) = baseVersion.value
+        val TagBase = """^(\d+)\.(\d+).*"""r
+        val TagBase(major, minor) = baseVersion.value
 
-          val isPre = major.toInt == 0
+        val isPre = major.toInt == 0
 
-          if (sbtPlugin.value || !crossProjectPlatform.?.value.map(_.identifier == "jvm").getOrElse(true)) {
-            Set.empty
-          } else {
-            val tags = Try("git tag --list".!!.split("\n").map(_.trim)).getOrElse(new Array[String](0))
+        if (sbtPlugin.value || !crossProjectPlatform.?.value.map(_.identifier == "jvm").getOrElse(true)) {
+          Set.empty
+        } else {
+          val tags = Try("git tag --list".!!.split("\n").map(_.trim)).getOrElse(new Array[String](0))
 
-            // in semver, we allow breakage in minor releases if major is 0, otherwise not
-            val Pattern = if (isPre || !strictSemVer.value)
-              s"^v($major\\.$minor\\.\\d+)$$".r
-            else
-              s"^v($major\\.\\d+\\.\\d+)$$".r
+          // in semver, we allow breakage in minor releases if major is 0, otherwise not
+          val Pattern = if (isPre || !strictSemVer.value)
+            s"^v($major\\.$minor\\.\\d+)$$".r
+          else
+            s"^v($major\\.\\d+\\.\\d+)$$".r
 
-            val versions = tags collect {
-              case Pattern(version) => version
-            }
-
-            val notCurrent = versions.filterNot(current ==)
+          val versions = tags collect {
+            case Pattern(version) => version
+          }
 
-            val FullVersion = """^(\d+)\.(\d+)\.(\d+)$""".r
-            val reduced = versionIntroduced.value.get(CrossVersion.binaryScalaVersion(scalaVersion.value)) match {
-              case Some(FullVersion(boundMaj, boundMin, boundRev)) =>
-                // we assume you don't want more than 1000 versions per component
-                val boundOrd = boundMaj.toInt * 1000 * 1000 + boundMin.toInt * 1000 + boundRev.toInt
+          val notCurrent = versions.filterNot(current ==)
 
-                notCurrent filter {
-                  case FullVersion(maj, min, rev) =>
-                    (maj.toInt * 1000 * 1000 + min.toInt * 1000 + rev.toInt) >= boundOrd
-                }
+          val FullVersion = """^(\d+)\.(\d+)\.(\d+)$""".r
+          val reduced = versionIntroduced.value.get(CrossVersion.binaryScalaVersion(scalaVersion.value)) match {
+            case Some(FullVersion(boundMaj, boundMin, boundRev)) =>
+              // we assume you don't want more than 1000 versions per component
+              val boundOrd = boundMaj.toInt * 1000 * 1000 + boundMin.toInt * 1000 + boundRev.toInt
 
-              case None =>
-                notCurrent
-            }
+              notCurrent filter {
+                case FullVersion(maj, min, rev) =>
+                  (maj.toInt * 1000 * 1000 + min.toInt * 1000 + rev.toInt) >= boundOrd
+              }
 
-            reduced.map(v => org % s"${n}_${CrossVersion.binaryScalaVersion(scalaVersion.value)}" % v).toSet
+            case None =>
+              notCurrent
           }
-        } else {
-          Set.empty   // mima doesn't support Scala 3 yet
+
+          reduced.map(v => org % s"${n}_${CrossVersion.binaryScalaVersion(scalaVersion.value)}" % v).toSet
         }
+      
       },
 
       pomPostProcess := { node =>