Scala 2.13 support (#307)

build.sbt

@@ -16,11 +16,14 @@ inThisBuild(List(
 ))
 
 val coursierVersion0 = "2.0.8"
+val lmVersion = "1.3.4"
+val lm2_13Version = "1.5.0-M3"
 
 lazy val `lm-coursier` = project
   .in(file("modules/lm-coursier"))
   .settings(
     shared,
+    crossScalaVersions := Seq(scala212, scala213),
     Mima.settings,
     Mima.lmCoursierFilters,
     libraryDependencies ++= Seq(
@@ -31,7 +34,10 @@ lazy val `lm-coursier` = project
       // to DependencyResolutionInterface.update, which is an
       // IvySbt#Module (seems DependencyResolutionInterface.moduleDescriptor
       // is ignored).
-      "org.scala-sbt" %% "librarymanagement-ivy" % "1.3.4",
+      "org.scala-sbt" %% "librarymanagement-ivy" % {
+        if (scalaBinaryVersion.value == "2.12") lmVersion
+        else lm2_13Version
+      },
       "org.scalatest" %% "scalatest" % "3.2.3" % Test
     )
   )
@@ -41,6 +47,7 @@ lazy val `lm-coursier-shaded` = project
   .enablePlugins(ShadingPlugin)
   .settings(
     shared,
+    crossScalaVersions := Seq(scala212, scala213),
     Mima.settings,
     Mima.lmCoursierFilters,
     Mima.lmCoursierShadedFilters,
@@ -65,7 +72,10 @@ lazy val `lm-coursier-shaded` = project
       "io.github.alexarchambault" %% "data-class" % "0.2.5" % Provided,
       "org.scala-lang.modules" %% "scala-collection-compat" % "2.3.2",
       "org.scala-lang.modules" %% "scala-xml" % "1.3.0", // depending on that one so that it doesn't get shaded
-      "org.scala-sbt" %% "librarymanagement-ivy" % "1.3.4",
+      "org.scala-sbt" %% "librarymanagement-ivy" % {
+        if (scalaBinaryVersion.value == "2.12") lmVersion
+        else lm2_13Version
+      },
       "org.scalatest" %% "scalatest" % "3.2.3" % Test
     )
   )

modules/lm-coursier/src/main/scala/lmcoursier/CoursierConfiguration.scala

@@ -47,8 +47,8 @@ import scala.concurrent.duration.Duration
   @since
   verbosityLevel: Int = 0,
   ttl: Option[Duration] = CacheDefaults.ttl,
-  checksums: Vector[Option[String]] = CacheDefaults.checksums.to[Vector],
-  cachePolicies: Vector[CachePolicy] = CacheDefaults.cachePolicies.to[Vector].map(FromCoursier.cachePolicy),
+  checksums: Vector[Option[String]] = CacheDefaults.checksums.toVector,
+  cachePolicies: Vector[CachePolicy] = CacheDefaults.cachePolicies.toVector.map(FromCoursier.cachePolicy),
   @since
   missingOk: Boolean = false,
   @since

project/Settings.scala

@@ -11,7 +11,8 @@ import com.jsuereth.sbtpgp._
 
 object Settings {
 
-  def scala212 = "2.12.10"
+  def scala212 = "2.12.12"
+  def scala213 = "2.13.3"
 
   def targetSbtVersion = "1.2.8"
 

scripts/ci.sh

@@ -31,8 +31,8 @@ runLmCoursierTests() {
   ./metadata/scripts/with-test-repo.sh $SBT \
     evictionCheck \
     compatibilityCheck \
-    lm-coursier-shaded/publishLocal \
-    lm-coursier/test \
+    +lm-coursier-shaded/publishLocal \
+    +lm-coursier/test \
     "sbt-lm-coursier/scripted shared-$TEST_GROUP/* $SCRIPTED_EXTRA"
 }