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import sbt._
import Keys._
object UniqueVersionKeys {
val gitHeadCommitSha = settingKey[String]("Current commit sha.")
val baseVersion = settingKey[String]("Base part of version, string without unique hash appended.")
val isRelease = settingKey[Boolean]("Is this a release? Should the unique hash be appended to the version string?")
}
object UniqueVersionDefaults {
import UniqueVersionKeys._
lazy val settings: Seq[Setting[_]] = Seq(
gitHeadCommitSha := Process("git rev-parse HEAD").lines.head,
isRelease := sys.props("release") == "true",
version := { if (isRelease.value) baseVersion.value else baseVersion.value + "-" + gitHeadCommitSha.value }
)
}
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