Make template for .vscode/settings.json

Author: nicolasstucki

.gitignore

@@ -22,6 +22,9 @@ project/local-plugins.sbt
 # npm
 node_modules
 
+# VS Code
+.vscode/
+
 # Scala-IDE specific
 .scala_dependencies
 .cache

.vscode/settings.json renamed to .vscode/settings-template.json

@@ -250,7 +250,7 @@ object Build {
     settings(commonNonBootstrappedSettings).
     settings(
       triggeredMessage in ThisBuild := Watched.clearWhenTriggered,
-      submoduleChecks,
+      dottyProjectFolderChecks,
 
       addCommandAlias("run", "dotty-compiler/run") ++
       addCommandAlias("legacyTests", "dotty-compiler/testOnly dotc.tests")
@@ -1138,7 +1138,7 @@ object Build {
     ))
   }
 
-  lazy val submoduleChecks = onLoad in Global := (onLoad in Global).value andThen { state =>
+  lazy val dottyProjectFolderChecks = onLoad in Global := (onLoad in Global).value andThen { state =>
     val submodules = List(new File("scala-backend"), new File("scala2-library"), new File("collection-strawman"))
     if (!submodules.forall(f => f.exists && f.listFiles().nonEmpty)) {
       sLog.value.log(Level.Error,
@@ -1147,6 +1147,13 @@ object Build {
            |  > git submodule update --init
         """.stripMargin)
     }
+
+    val vscodeSetting = new File(".vscode/settings.json")
+    if(!vscodeSetting.exists()) {
+      val vscodeSettingTemplate = new File(".vscode/settings-template.json")
+      java.nio.file.Files.copy(vscodeSettingTemplate.toPath, vscodeSetting.toPath)
+    }
+
     state
   }