pekko/project/TimeStampede.scala
2018-01-04 17:26:29 +00:00

38 lines
996 B
Scala

/**
* Copyright (C) 2009-2018 Lightbend Inc. <https://www.lightbend.com>
*/
package akka
import java.time.Instant
import java.time.LocalDateTime
import java.time.ZoneId
import java.time.format.DateTimeFormatter
import sbt._
import sbt.Keys._
object TimeStampede extends AutoPlugin {
override def trigger = noTrigger
override lazy val projectSettings = Seq(
commands += stampVersion)
final val Snapshot = "-SNAPSHOT"
def stampVersion = Command.command("stampVersion") { state
val extracted = Project.extract(state)
extracted.append(List(version in ThisBuild ~= stamp), state)
}
def stamp(version: String): String = {
if (version endsWith Snapshot) (version stripSuffix Snapshot) + "-" + timestamp(System.currentTimeMillis)
else version
}
val formatter = DateTimeFormatter.ofPattern("yyyyMMdd-HHmmss")
def timestamp(time: Long): String = {
formatter.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(time), ZoneId.systemDefault()))
}
}