SBT maven central publishing setup (after the setup just execute `sbt publishSigned`)

build.sbt

// In your project

// General stuff like name, description, version

// Publishing

publishMavenStyle := true
publishArtifact in Test := false
pomIncludeRepository := (_ => false)
publishTo := Some(
  if (version.value.trim.endsWith("SNAPSHOT"))
    "snapshots" at "https://oss.sonatype.org/content/repositories/snapshots"
  else
    "releases" at "https://oss.sonatype.org/service/local/staging/deploy/maven2")
    
// nice *magenta* prompt! (the most important part)

shellPrompt in ThisBuild := { state =>
  scala.Console.MAGENTA + Project.extract(state).currentRef.project + "> " + scala.Console.RESET
}

// Additional meta-info reqired by maven central

startYear := Some(2015)
organizationHomepage := Some(url("https://github.com/my-org-or-user"))
developers := Developer("GitHubUserName", "Full Name", "", url("https://github.com/my-username")) :: Nil
scmInfo := Some(ScmInfo(
  browseUrl = url("https://github.com/my-username/my-project.git"),
  connection = "scm:git:[email protected]:my-username/my-project.git"
))

global-plugins-build.sbt

// In ~/.sbt/0.13/plugins/build.sbt

resolvers += Resolver.url("sbt-plugin-releases", new URL("http://scalasbt.artifactoryonline.com/scalasbt/sbt-plugin-releases/"))(Resolver.ivyStylePatterns)

addSbtPlugin("com.typesafe.sbt" % "sbt-pgp" % "0.8") 

global-sonatype.sbt

// In ~/.sbt/0.13/sonatype.sbt

pgpSecretRing := file("""/path/to/my/gnupg/secring.gpg""")

pgpPublicRing := file("""/path/to/my/gnupg/pubring.gpg""")

pgpPassphrase := Some(Array('m', 'y', '_', 'g', 'p', 'g', '_', 'p', 'a', 's', 's', 'w', 'o', 'r', 'd'))

credentials += Credentials("Sonatype Nexus Repository Manager", 
                           "oss.sonatype.org", 
                           "my-oss.sonatype.org-username", 
                           "my-oss.sonatype.org-password")