Well, not every rule requires VersionWithFirstSeen

Author: rtyley

modules/core/src/main/scala/org/scalasteward/core/data/Update.scala

@@ -35,7 +35,7 @@ case class ArtifactForUpdate(
   def currentVersion: Version = headDependency.version
 }
 
-trait ArtifactUpdateVersions {
+trait ArtifactUpdateVersions[V] {
   val artifactForUpdate: ArtifactForUpdate
 
   val refersToUpdateVersions: Nel[Version]
@@ -51,14 +51,16 @@ trait ArtifactUpdateVersions {
 case class ArtifactUpdateCandidates(
     artifactForUpdate: ArtifactForUpdate,
     newerVersionsWithFirstSeen: Nel[VersionWithFirstSeen]
-) extends ArtifactUpdateVersions {
-  override val refersToUpdateVersions: Nel[Version] = newerVersionsWithFirstSeen.map(_.version)
+) extends ArtifactUpdateVersions[VersionWithFirstSeen] {
+  val newerVersions: Nel[Version] = newerVersionsWithFirstSeen.map(_.version)
+
+  override val refersToUpdateVersions: Nel[Version] = newerVersions
 
   def asSpecificUpdate(nextVersion: Version): Update.ForArtifactId =
     Update.ForArtifactId(artifactForUpdate, nextVersion)
 
   override def show: String =
-    s"${artifactForUpdate.groupId}:${artifactForUpdate.crossDependency.showArtifactNames} : ${Version.show((artifactForUpdate.currentVersion +: refersToUpdateVersions.toList)*)}"
+    s"${artifactForUpdate.groupId}:${artifactForUpdate.crossDependency.showArtifactNames} : ${Version.show((artifactForUpdate.currentVersion +: newerVersionsWithFirstSeen.map(_.version).toList)*)}"
 }
 
 sealed trait Update {
@@ -125,7 +127,7 @@ object Update {
       artifactForUpdate: ArtifactForUpdate,
       nextVersion: Version
   ) extends Single
-      with ArtifactUpdateVersions {
+      with ArtifactUpdateVersions[Version] {
     val crossDependency: CrossDependency = artifactForUpdate.crossDependency
 
     override val refersToUpdateVersions: Nel[Version] = Nel.one(nextVersion)

modules/core/src/main/scala/org/scalasteward/core/repoconfig/UpdatePattern.scala

@@ -36,11 +36,11 @@ object UpdatePattern {
       filteredVersions: List[VersionWithFirstSeen]
   )
 
-  def findMatch(
+  def findMatch[V](
       patterns: List[UpdatePattern],
-      update: ArtifactUpdateVersions,
+      update: ArtifactUpdateVersions[V],
       include: Boolean,
-      versionPredicate: VersionWithFirstSeen => Boolean = _ => true
+      versionPredicate: V => Boolean = _ => true
   ): MatchResult = {
     val artifactForUpdate = update.artifactForUpdate
     val byGroupId = patterns.filter(_.groupId === artifactForUpdate.groupId)

modules/core/src/main/scala/org/scalasteward/core/update/FilterAlg.scala

@@ -43,7 +43,7 @@ object FilterAlg {
   type FilterResult = Either[RejectionReason, ArtifactUpdateCandidates]
 
   sealed trait RejectionReason {
-    def update: ArtifactUpdateVersions
+    def update: ArtifactUpdateVersions[?]
     def show: String =
       this match {
         case IgnoredByConfig(_)         => "ignored by config"