Update Scala to 2.12.16

modules/build/src/test/scala/scala/build/tests/BuildOptionsTests.scala

@@ -1,6 +1,7 @@
 package scala.build.tests
 
 import com.eed3si9n.expecty.Expecty.{assert => expect}
+import coursier.cache.FileCache
 import dependency.ScalaParameters
 
 import scala.build.Ops._
@@ -23,6 +24,7 @@ import scala.build.{Build, BuildThreads, LocalRepo}
 import scala.build.Directories
 import scala.build.options.ScalacOpt
 import scala.build.Positioned
+import scala.concurrent.duration.DurationInt
 
 class BuildOptionsTests extends munit.FunSuite {
 
@@ -258,6 +260,9 @@ class BuildOptionsTests extends munit.FunSuite {
       val options = BuildOptions(
         scalaOptions = ScalaOptions(
           scalaVersion = prefix.map(MaybeScalaVersion(_))
+        ),
+        internal = InternalOptions(
+          cache = Some(FileCache().withTtl(0.seconds))
         )
       )
       val scalaParams = options.scalaParams.orThrow.getOrElse(???)

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

@@ -274,9 +274,26 @@ final case class BuildOptions(
         case Right(versions) =>
           versions.find(_.scalaCliVersion == scalaCliVersion)
             .orElse {
-              val scalaCliVersion0 = Version(scalaCliVersion)
+              val retainedCliVersion =
+                if (scalaCliVersion.endsWith("-SNAPSHOT"))
+                  if (scalaCliVersion.contains("-g"))
+                    // version like 0.1.7-30-g51330f19d-SNAPSHOT
+                    scalaCliVersion.takeWhile(_ != '-').split('.') match {
+                      case Array(maj, min, patch) if patch.nonEmpty && patch.forall(_.isDigit) =>
+                        val patch0 = patch.toInt + 1
+                        s"$maj.$min.$patch0"
+                      case _ =>
+                        // shouldn't happen
+                        scalaCliVersion
+                    }
+                  else
+                    // version like 0.1.8-SNAPSHOT
+                    scalaCliVersion.takeWhile(_ != '-')
+                else
+                  scalaCliVersion
+              val retainedCliVersion0 = Version(retainedCliVersion)
               versions
-                .filter(_.scalaCliVersion0.compareTo(scalaCliVersion0) <= 0)
+                .filter(_.scalaCliVersion0.compareTo(retainedCliVersion0) <= 0)
                 .maxByOption(_.scalaCliVersion0)
             }
             .map(_.supportedScalaVersions)
@@ -335,11 +352,14 @@ final case class BuildOptions(
   }
 
   lazy val scalaParams: Either[BuildException, Option[ScalaParameters]] =
-    computeScalaParams(Constants.version, finalCache).orElse(
-      // when the passed scala version is missed in the cache, we always force a cache refresh
-      // https://github.com/VirtusLab/scala-cli/issues/1090
+    if (System.getenv("CI") == null)
+      computeScalaParams(Constants.version, finalCache).orElse(
+        // when the passed scala version is missed in the cache, we always force a cache refresh
+        // https://github.com/VirtusLab/scala-cli/issues/1090
+        computeScalaParams(Constants.version, finalCache.withTtl(0.seconds))
+      )
+    else
       computeScalaParams(Constants.version, finalCache.withTtl(0.seconds))
-    )
 
   private[build] def computeScalaParams(
     scalaCliVersion: String,

project/deps.sc

@@ -4,7 +4,7 @@ import mill._, scalalib._
 import scala.util.Properties
 
 object Scala {
-  def scala212     = "2.12.15"
+  def scala212     = "2.12.16"
   def scala213     = "2.13.8"
   def scala3       = "3.1.2"
   val allScala2    = Seq(scala213, scala212)
@@ -59,12 +59,12 @@ object Deps {
     def coursier      = "2.1.0-M6-26-gcec901e9a"
     def coursierCli   = "2.1.0-M5-18-gfebf9838c"
     def jsoniterScala = "2.13.26"
-    def scalaMeta     = "4.5.8"
+    def scalaMeta     = "4.5.9"
     def scalaNative   = "0.4.4"
     def scalaPackager = "0.1.26"
     def signingCli    = "0.1.6"
   }
-  def ammonite = ivy"com.lihaoyi:::ammonite:2.5.4"
+  def ammonite = ivy"com.lihaoyi:::ammonite:2.5.4-8-30448e49"
   def asm      = ivy"org.ow2.asm:asm:9.3"
   // Force using of 2.13 - is there a better way?
   def bloopConfig      = ivy"io.github.alexarchambault.bleep:bloop-config_2.13:1.5.0-sc-1"

website/docs/reference/scala-versions.md

@@ -10,5 +10,6 @@ it is recommended to update scala-cli.
 |---------------------|:-----------------:|------------:|-----------:|
 | 0.0.9               |   3.0.2           |    2.13.7   | 2.12.7     |
 | 0.1.0 - 0.1.3       |   3.1.1           |    2.13.8   | 2.12.15    |
-| 0.1.4 - current     |   3.1.2           |    2.13.8   | 2.12.15    |
+| 0.1.4 - 0.1.7       |   3.1.2           |    2.13.8   | 2.12.15    |
+| 0.1.8 - current     |   3.1.2           |    2.13.8   | 2.12.16    |