sbtBuildPackageZip.scala

override def mainClass = Some("com.yourcompany.yourproject.Main")

/**
 * In the classpath:
 *  - all dependencies (via Ivy/Maven and in lib)
 *  - package classes
 * On the filesystem:
 *  - scripts
 *  - config
 */
def distPath = (
  // NOTE the double hashes (##) hoist the files in the preceeding directory
  // to the top level - putting them in the "base directory" in sbt's terminology
  ((outputPath ##) / defaultJarName) +++
  mainResources +++
  mainDependencies.scalaJars +++
  descendents(info.projectPath, "*.sh") +++
  descendents(info.projectPath, "*.rb") +++
  descendents(info.projectPath, "*.conf") +++
  descendents(info.projectPath / "lib" ##, "*.jar") +++
  descendents(managedDependencyRootPath / "compile" ##, "*.jar")
)

// creates a sane classpath including all JARs and populates the manifest with it
override def manifestClassPath = Some(
  distPath.getFiles
  .filter(_.getName.endsWith(".jar"))
  .map(_.getName).mkString(" ")
)

def distName = "yourproject-%s.zip".format(version)

lazy val zip = zipTask(distPath, "dist", distName) dependsOn (`package`) describedAs("Zips up the project.")