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package io.crashbox.gpg
import sbt.{AutoPlugin, Def, _}
import sbt.Keys._
import sbt.plugins.JvmPlugin
object SbtGpg extends AutoPlugin {
override def requires = JvmPlugin
override def trigger = allRequirements
object autoImport {
val gpgCommand = settingKey[String]("Path to GnuPG executable.")
val gpgOptions =
settingKey[Seq[String]]("Additional global options to pass to gpg.")
val gpgKey = taskKey[Option[String]](
"Key ID used to sign artifacts. Setting this to None will " +
"cause sbt-gpg to fall back to using gpg's default key. When set, " +
"it is equivalent to gpg's `--local-user` option.")
val gpg =
taskKey[Gpg]("Utility wrapper to the underlying gpg executable.")
}
import autoImport._
lazy val gpgSettings: Seq[Setting[_]] = Seq(
gpgCommand := "gpg",
gpgOptions := Seq("--yes"),
gpgKey := Credentials.forHost(credentials.value, "gpg").map(_.userName),
gpg := {
val log = streams.value.log
new Gpg(gpgCommand.value, gpgOptions.value, gpgKey.value)(log.warn(_))
}
)
lazy val signingSettings: Seq[Setting[_]] = Seq(
packagedArtifacts := {
val log = streams.value.log
val arts: Map[Artifact, File] = packagedArtifacts.value
var failed = false
arts.map {
case (art, file) if !failed =>
gpg.value.sign(file) match {
case Some(signed) =>
art.withExtension(art.extension + ".asc") -> signed
case None =>
log.warn("GPG reported an error. Artifacts won't be signed.")
failed = true
art -> file
}
case (art, file) => art -> file
}
}
)
override lazy val projectSettings
: Seq[Def.Setting[_]] = gpgSettings ++ signingSettings
}
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