import scala.sys.process._

object Version {

def createVersion(baseVersion: String) = {

def getLastCommitFromGit = s"""git rev-parse --short HEAD""" !!

// either specify git hash as an env var or derive it

// if building from the hseeberger/scala-sbt docker image use env var

// (scala-sbt doesn't have git in it)

val lastCommit = sys.env.getOrElse("GIT_HASH", getLastCommitFromGit).trim()

val version = baseVersion + "-" + lastCommit

// The project isSnapshot string passed in via command line settings, if desired.

val isSnapshot = sys.props.getOrElse("project.isSnapshot", "true").toBoolean

// For now, obfuscate SNAPSHOTs from sbt's developers: https://github.com/sbt/sbt/issues/2687#issuecomment-236586241

if (isSnapshot) s"$version-SNAP" else version

}

}