Update items for new release (#193)

* Update setup-scala

* Try Java 1.8 in CI vs 8

* Remove build code now that scala-2, scala-3 shared src is supported

* Fix readme except for the release date

* Update build for Scala 2.12.15

* Put hopeful release date

* Update release date

.github/workflows/ci.yml

@@ -8,12 +8,12 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        java: [ '8', '11', '17' ]
+        java: [ '1.8', '11', '17' ]
     name: Test using Java ${{ matrix.java }}
     steps:
     - uses: actions/checkout@v2
     - name: Setup Scala and Java
-      uses: olafurpg/setup-scala@v12
+      uses: olafurpg/setup-scala@v13
       with:
           java-version: ${{ matrix.java }}
     - run: sbt +test

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - uses: olafurpg/setup-scala@v12
+      - uses: olafurpg/setup-scala@v13
       - run: sbt ci-release
         env:
           PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}

README.md

@@ -97,19 +97,20 @@ At a high level, the process is as follows:
    (The old dependency needs to stay on the classpath until after the rule runs, because the 
    code must compile before it will run.)
 
-3. Run the scalafix sbt task shown below to apply the rule  using the version of `sconfig`
+3. Run the scalafix sbt task shown below to apply the rule using the version of `sconfig`
    selected. Replace the `x.y.z` below with the version (must be greater than version `1.4.5`
    when scalafix was added):
 
     ```
-    scalafixAll dependency:ReplaceTypesafeConfig@org.ekrich:sconfig-scalafix:1.4.5
+    scalafixAll dependency:ReplaceTypesafeConfig@org.ekrich:sconfig-scalafix:x.y.x
     ```
 
 4. Remove the old config dependency from the project's `libraryDependencies`
 5. Commit the changes
 
 ## Versions
 
+Release [1.4.5](https://github.com/ekrich/sconfig/releases/tag/v1.4.5) - (2021-10-08)<br/>
 Release [1.4.4](https://github.com/ekrich/sconfig/releases/tag/v1.4.4) - (2021-05-13)<br/>
 Release [1.4.3](https://github.com/ekrich/sconfig/releases/tag/v1.4.3) - (2021-05-12)<br/>
 Release [1.4.2](https://github.com/ekrich/sconfig/releases/tag/v1.4.2) - (2021-04-01)<br/>

build.sbt

@@ -18,17 +18,13 @@ def versionFmt(out: sbtdynver.GitDescribeOutput): String = {
   else nextVersion + "-SNAPSHOT"
 }
 
-val scalacOpts = List(
-  "-unchecked",
-  "-deprecation",
-  "-feature",
+val dotcOpts = List("-unchecked", "-deprecation", "-feature")
+val scalacOpts = dotcOpts ++ List(
   //"-Ywarn-unused:imports", // no 2.11 - maybe time for sbt-tpolecat
   "-Xsource:3"
   //"-Xlint:nonlocal-return" // no 2.11/2.12
 )
 
-val dotcOpts = List("-unchecked", "-deprecation", "-feature")
-
 Compile / console / scalacOptions --= Seq(
   "-Xlint:nonlocal-return", // for 2.12 console
   "-Ywarn-unused:imports",
@@ -117,7 +113,6 @@ lazy val sconfig = crossProject(JVMPlatform, NativePlatform, JSPlatform)
     scalacOptions ++= {
       if (isScala3.value) dotcOpts else scalacOpts
     },
-    sharedScala2or3Source,
     libraryDependencies ++= {
       CrossVersion.partialVersion(scalaVersion.value) match {
         case Some((2, n)) if n <= 12 =>
@@ -221,25 +216,6 @@ lazy val `scalafix-tests` = (project in file("scalafix/tests"))
   .dependsOn(`scalafix-rules`)
   .enablePlugins(ScalafixTestkitPlugin)
 
-lazy val sharedScala2or3Source: Seq[Setting[_]] = Def.settings(
-  Compile / unmanagedSourceDirectories ++= {
-    val projectDir = baseDirectory.value.getParentFile()
-    sourceDir(projectDir, scalaVersion.value)
-  }
-)
-
-// For Scala 2/3 enums
-def sourceDir(projectDir: File, scalaVersion: String): Seq[File] = {
-  def versionDir(versionDir: String): File =
-    projectDir / "shared" / "src" / "main" / versionDir
-
-  CrossVersion.partialVersion(scalaVersion) match {
-    case Some((3, _)) => Seq(versionDir("scala-3"))
-    case Some((2, _)) => Seq(versionDir("scala-2"))
-    case _            => Seq() // unknown version
-  }
-}
-
 lazy val sharedJvmNativeSource: Seq[Setting[_]] = Def.settings(
   Compile / unmanagedSourceDirectories += {
     val projectDir = baseDirectory.value.getParentFile()