Removed project/Helpers in favour of sbt.IO+sbt.using.Using for file and Option instead of Try when querying environment variables

Author: DarrenBishop

build.sbt

@@ -1,26 +1,27 @@
 import scala.io.Source
 import scala.language.postfixOps
-import scala.util.Try
-import Helpers._
+import sbt.io.Using
 
 val currentScalaVersion = "2.13.6"
 
-ThisBuild / scalaVersion := currentScalaVersion
-
 inThisBuild(Seq(
+  scalaVersion := currentScalaVersion,
+  //Load version from the file so that Gradle/Shipkit and SBT use the same version
   version := sys.env
     .get("PROJECT_VERSION")
     .filter(_.trim.nonEmpty)
-    .toTry.recoverWith { case _ =>
-      withSource(Source.fromFile(baseDirectory.value / "version.properties")) { source =>
-        source.getLines.collectFirst { case VersionRE(v) => v } get
+    .orElse {
+      lazy val VersionRE = """^version=(.+)$""".r
+      Using.file(Source.fromFile)(baseDirectory.value / "version.properties") {
+        _.getLines.collectFirst { case VersionRE(v) => v }
       }
     }
     .map { _.replace(".*", "-SNAPSHOT") }
     .get
-))
+  )
+)
 
-lazy val commonSettings: Seq[Setting[_]] =
+lazy val commonSettings =
   Seq(
     organization := "org.mockito",
     //Load version from the file so that Gradle/Shipkit and SBT use the same version