Part #1 - add rootProject method. Not complete, this commit shoudl be…

… removed.

main/src/main/scala/sbt/Project.scala

@@ -530,6 +530,14 @@ object Project extends ProjectExtra
 		val name = c.Expr[String]( Literal(Constant(enclosingValName)) )
 		reify { Project(name.splice, new File(name.splice)) }
 	}
+
+	def rootProjectMacroImpl(c: Context): c.Expr[Project] =
+	{
+		import c.universe._
+		val enclosingValName = std.KeyMacro.definingValName(c, methodName => s"""$methodName must be directly assigned to a val, such as `val x = $methodName`.""")
+		val name = c.Expr[String]( Literal(Constant(enclosingValName)) )
+		reify { Project(name.splice, new File(".")) }
+	}
 }
 
 trait ProjectExtra
@@ -562,4 +570,7 @@ trait ProjectExtra
 	/** Creates a new Project.  This is a macro that expects to be assigned directly to a val.
 	* The name of the val is used as the project ID and the name of the base directory of the project. */
 	def project: Project = macro Project.projectMacroImpl
+	/** Creates a new Project.  This is a macro that expects to be assigned directly to a val.
+	 * The name of the val is used as the project ID and the directory is the base directory. */
+	def rootProject: Project = macro Project.rootProjectMacroImpl
 }