updating to new SBT syntax (#425)

build.sbt

@@ -1,14 +1,14 @@
 import sbtcrossproject.CrossPlugin.autoImport.crossProject
 
-scalaVersion in ThisBuild := "2.11.12"
-crossScalaVersions in ThisBuild := Seq("2.11.12", "2.12.15", "2.13.7")
-//scalaJSUseRhino in ThisBuild := true
+ThisBuild / scalaVersion := "2.11.12"
+ThisBuild / crossScalaVersions := Seq("2.11.12", "2.12.15", "2.13.7")
+//ThisBuild / scalaJSUseRhino := true
 
 lazy val scalatest = Def.setting("org.scalatest" %%% "scalatest" % "3.2.10")
 lazy val specs2 = Def.setting("org.specs2" %%% "specs2-core" % "4.10.6")
 
 val commonSettings = Defaults.coreDefaultSettings ++ Seq(
-  unmanagedSourceDirectories in Compile ++= {
+  Compile / unmanagedSourceDirectories ++= {
     CrossVersion.partialVersion(scalaVersion.value) match {
       case Some((2L, minor)) =>
         Some(baseDirectory.value.getParentFile / s"shared/src/main/scala-2.$minor")
@@ -22,11 +22,11 @@ val commonSettings = Defaults.coreDefaultSettings ++ Seq(
 lazy val scalamock = crossProject(JSPlatform, JVMPlatform) in file(".") settings(
     commonSettings,
     name := "scalamock",
-    publishArtifact in (Compile, packageBin) := true,
-    publishArtifact in (Compile, packageDoc) := true,
-    publishArtifact in (Compile, packageSrc) := true,
-    publishArtifact in Test := false,
-    scalacOptions in (Compile, doc) ++= Opts.doc.title("ScalaMock") ++
+    Compile / packageBin / publishArtifact := true,
+    Compile / packageDoc / publishArtifact := true,
+    Compile / packageSrc / publishArtifact := true,
+    Test / publishArtifact := false,
+    Compile / doc / scalacOptions ++= Opts.doc.title("ScalaMock") ++
       Opts.doc.version(version.value) ++ Seq("-doc-root-content", "rootdoc.txt", "-version"),
     libraryDependencies ++= Seq(
       "org.scala-lang" % "scala-reflect" % scalaVersion.value,
@@ -41,7 +41,7 @@ lazy val `scalamock-jvm` = scalamock.jvm
 lazy val examples = project in file("examples") settings(
   commonSettings,
   name := "ScalaMock Examples",
-  skip in publish := true,
+  publish / skip := true,
   libraryDependencies ++= Seq(
     scalatest.value % Test,
     specs2.value % Test

publishing.sbt

@@ -1,30 +1,30 @@
-organization in ThisBuild := "org.scalamock"
-licenses in ThisBuild := Seq("MIT" -> url("https://opensource.org/licenses/MIT"))
-scmInfo in ThisBuild := Some(
+ThisBuild / organization := "org.scalamock"
+ThisBuild / licenses := Seq("MIT" -> url("https://opensource.org/licenses/MIT"))
+ThisBuild / scmInfo := Some(
   ScmInfo(url("https://github.com/paulbutcher/ScalaMock"), "scm:git:[email protected]:paulbutcher/ScalaMock.git")
 )
-developers in ThisBuild := List(
+ThisBuild / developers := List(
   Developer("paulbutcher", "Paul Butcher", "", url("http://paulbutcher.com/")),
   Developer("barkhorn", "Philipp Meyerhoefer", "", url("https://github.com/barkhorn"))
 )
-homepage in ThisBuild := Some(url("http://scalamock.org/"))
-pomIncludeRepository in ThisBuild := { _ => false }
+ThisBuild / homepage := Some(url("http://scalamock.org/"))
+//ThisBuild / pomIncludeRepository := { _ => false }
 
-version in ThisBuild := {
+ThisBuild / version := {
   val Snapshot = """(\d+)\.(\d+)\.(\d+)-\d+.*?""".r
   git.gitDescribedVersion.value.getOrElse("0.0.0-1")match {
     case Snapshot(maj, min, _) => s"$maj.${min.toInt + 1}.0-SNAPSHOT"
     case v => v
   }
 }
 
-isSnapshot in ThisBuild := version.value.endsWith("-SNAPSHOT")
+ThisBuild / isSnapshot := version.value.endsWith("-SNAPSHOT")
 
-publishTo in ThisBuild := Some(
+ThisBuild / publishTo := Some(
   if (isSnapshot.value) Opts.resolver.sonatypeSnapshots else Opts.resolver.sonatypeStaging
 )
-publishConfiguration in ThisBuild := publishConfiguration.value.withOverwrite(true)
-publishLocalConfiguration in ThisBuild := publishLocalConfiguration.value.withOverwrite(true)
+ThisBuild / publishConfiguration := publishConfiguration.value.withOverwrite(true)
+ThisBuild / publishLocalConfiguration := publishLocalConfiguration.value.withOverwrite(true)
 
 addCommandAlias("ci-all",  ";+clean ;+compile ;+test ;+package")
 addCommandAlias("release", ";+scalamockJVM/publishSigned ;+scalamockJS/publishSigned ;sonatypeReleaseAll")