import sbt._
import com.typesafe.packager.debian.DebianPlugin._
import com.typesafe.packager.linux.{LinuxPackageMapping, LinuxFileMetaData}
import com.typesafe.packager.debian.Keys._
import sbt.Keys.{baseDirectory,sbtVersion,sourceDirectory}

object DebianPkg {
  
  val settings: Seq[Setting[_]] = debianSettings ++ Seq(
    maintainer in Debian := "Josh Suereth <joshua.suereth@typesafe.com>",
    name in Debian := "sbt",
    version in Debian <<= (version, sbtVersion) apply { (v, sv) =>       
      sv + "-build-" + (v split "\\." map (_.toInt) dropWhile (_ == 0) map ("%02d" format _) mkString "")
    },
    debianPackageDependencies in Debian ++= Seq("curl", "java2-runtime", "bash (>= 2.05a-11)"),
    debianPackageRecommends in Debian += "git",
    packageDescription in Debian := """Simple Build Tool
 This script provides a native way to run the Simple Build Tool,
 a build tool for Scala software, also called SBT.""",
    linuxPackageMappings in Debian <+= (baseDirectory) map { bd =>
      (packageForDebian((bd / "sbt") -> "usr/bin/sbt")
       withUser "root" withGroup "root" withPerms "0755")
    },
    linuxPackageMappings in Debian <+= (sourceDirectory in Debian) map { bd =>
      packageForDebian(
          (bd / "usr/share/doc/sbt/copyright") -> "usr/share/doc/sbt/copyright"
      ) withUser "root" withGroup "root" withPerms "0644"
    },   
    linuxPackageMappings in Debian <+= (sourceDirectory) map { bd =>
      packageForDebian(
        (bd / "debian/changelog") -> "usr/share/doc/sbt/changelog.gz",
        (bd / "linux" / "usr/share/man/man1/sbt.1") -> "usr/share/man/man1/sbt.1.gz"
      ) withUser "root" withGroup "root" withPerms "0644" gzipped
    }
  )
}