ArtifactoryPlugin.scala

import sbt._
import sbt.Keys._
import sbt.plugins._

object ArtifactoryPlugin extends AutoPlugin {
  override def trigger = allRequirements
  override def requires = JvmPlugin && IvyPlugin
  override val buildSettings = List(
    commands += Command.command("publishArtifactory") { s =>
      val newVersion = Project
        .extract(s)
        .get(version.in(ThisBuild))
        .stripSuffix("-SNAPSHOT")

      """set every publishTo := Some("artifactory" at "https://artifactory.twitter.biz/libs-releases-local/")""" ::
      s"""set every version := "$newVersion" """ ::
      "publish" ::
      s
    }
  )
  override val projectSettings = List(
    credentials ++= {
      val credentials = file(System.getProperty("user.home")) / ".artifactory" / ".credentials"
      if (credentials.isFile) List(new FileCredentials(credentials))
      else Nil
    }
  )
}