Library Settings and CI Configuration

.gitignore

@@ -32,5 +32,4 @@ bin/
 .DS_Store
 
 # PGP keys
-pubring.gpg
 secring.gpg

.travis.yml

@@ -1,7 +1,14 @@
 language: scala
 scala:
-  - 2.11.8
+- 2.11.8
 jdk:
-  - oraclejdk8
+- oraclejdk8
 script:
-  - sbt test
+- sbt test
+- if [ "$TRAVIS_BRANCH" = "master" -a "$TRAVIS_PULL_REQUEST" = "false" ]; then
+     openssl aes-256-cbc -K $encrypted_40545b9562dd_key -iv $encrypted_40545b9562dd_iv
+       -in secring.gpg.enc -out secring.gpg -d;
+  fi
+after_success:
+- if [ "$TRAVIS_BRANCH" = "master" -a "$TRAVIS_PULL_REQUEST" = "false" ]; then sbt
+  compile publishSigned; fi

build.sbt

@@ -1,5 +1,6 @@
 lazy val `scala-tutorial` = (project in file("."))
     .enablePlugins(ExerciseCompilerPlugin)
+    .settings(publishSettings:_*)
     .settings(
       organization := "org.scala-exercises",
       name         := "exercises-scalatutorial",
@@ -17,4 +18,32 @@ lazy val `scala-tutorial` = (project in file("."))
         "com.github.alexarchambault" %% "scalacheck-shapeless_1.12" % "0.3.1",
         compilerPlugin("org.spire-math" %% "kind-projector" % "0.7.1")
       )
-    )
+    )
+
+// Distribution
+
+lazy val gpgFolder = sys.env.getOrElse("PGP_FOLDER", ".")
+
+lazy val publishSettings = Seq(
+  organizationName := "Scala Exercises",
+  organizationHomepage := Some(new URL("http://scala-exercises.org")),
+  startYear := Some(2016),
+  description := "Scala Exercises: The path to enlightenment",
+  homepage := Some(url("http://scala-exercises.org")),
+  pgpPassphrase := Some(sys.env.getOrElse("PGP_PASSPHRASE", "").toCharArray),
+  pgpPublicRing := file(s"$gpgFolder/pubring.gpg"),
+  pgpSecretRing := file(s"$gpgFolder/secring.gpg"),
+  credentials += Credentials("Sonatype Nexus Repository Manager",  "oss.sonatype.org",  sys.env.getOrElse("PUBLISH_USERNAME", ""),  sys.env.getOrElse("PUBLISH_PASSWORD", "")),
+  scmInfo := Some(ScmInfo(url("https://github.com/scala-exercises/exercises-scalatutorial"), "https://github.com/scala-exercises/exercises-scalatutorial.git")),
+  licenses := Seq("Apache License, Version 2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0.txt")),
+  publishMavenStyle := true,
+  publishArtifact in Test := false,
+  pomIncludeRepository := Function.const(false),
+  publishTo := {
+    val nexus = "https://oss.sonatype.org/"
+    if (isSnapshot.value)
+      Some("Snapshots" at nexus + "content/repositories/snapshots")
+    else
+      Some("Releases" at nexus + "service/local/staging/deploy/maven2")
+  }
+)

project/plugins.sbt

@@ -1,2 +1,3 @@
 resolvers += Resolver.sonatypeRepo("snapshots")
-addSbtPlugin("org.scala-exercises" % "sbt-exercise" % "0.3.0-SNAPSHOT", "0.13", "2.10")
+addSbtPlugin("org.scala-exercises" % "sbt-exercise" % "0.3.0-SNAPSHOT", "0.13", "2.10")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")

pubring.gpg

@@ -0,0 +1,18 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: BCPG v1.51
+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+=fR5S
+-----END PGP PUBLIC KEY BLOCK-----