A bit late to this discussion, but just want to add a simple clarification that really helped me grok sbt, for posterity: There are three types of sbt config f

A bit late to this discussion, but just want to add a simple clarification that really helped me grok sbt, for posterity: There are three types of sbt config files: .properties, .sbt, .scala. * .properties: pure key-value text file * .sbt: SBT DSL * .scala: full valid Scala code I found this little nugget buried deep in the old SBt Github wiki. Now that SBT has its own website, its partially explained in the first few lines: http://www.scala-sbt.org/ http://www.scala-sbt.org/ ... * .sbt build definition uses a Scala-based "domain-specific language" (DSL) * More advanced .scala build definitions and extensions use the full flexibility of unrestricted Scala code ...