NIT compare Scala versions with coursier.core.Version

Author: Gedochao

modules/build/src/main/scala/scala/build/Build.scala

@@ -18,7 +18,7 @@ import scala.build.compiler.{ScalaCompiler, ScalaCompilerMaker}
 import scala.build.errors.*
 import scala.build.internal.resource.ResourceMapper
 import scala.build.internal.{Constants, CustomCodeWrapper, MainClass, Util}
-import scala.build.options.ScalaVersionUtil.maybeScalaPatchVersion
+import scala.build.options.ScalaVersionUtil.asVersion
 import scala.build.options.*
 import scala.build.options.validation.ValidationException
 import scala.build.postprocessing.*
@@ -828,9 +828,7 @@ object Build {
 
         val scalacReleaseV =
           // the -release flag is not supported for Scala 2.12.x < 2.12.5
-          if params.scalaVersion.startsWith("2.12") &&
-            params.scalaVersion.maybeScalaPatchVersion.exists(_ < 5)
-          then Nil
+          if params.scalaVersion.asVersion < "2.12.5".asVersion then Nil
           else
             releaseFlagVersion
               .map(v => List("-release", v).map(ScalacOpt(_)))

modules/options/src/main/scala/scala/build/options/ScalaVersionUtil.scala

@@ -293,9 +293,6 @@ object ScalaVersionUtil {
   }
 
   extension (sv: String) {
-    def maybeScalaPatchVersion: Option[Int] = sv
-      .split('.').drop(2).headOption
-      .flatMap(_.split('-').headOption)
-      .flatMap(pv => Try(pv.toInt).toOption)
+    def asVersion: Version = Version(sv)
   }
 }