fiddling with travis build

Author: TiarkRompf

.travis.yml

@@ -4,14 +4,22 @@ sudo: false
 language: scala
 
 scala:
-- 2.11.2
+  - 2.11.2
+
+cache:
+  directories:
+    - $HOME/.ivy2/cache
+    - $HOME/.sbt/boot
 
 script:
-- sbt clean coverage test && sbt coverageAggregate
+  - sbt clean coverage test && sbt coverageAggregate
+# Tricks to avoid unnecessary cache updates
+  - find $HOME/.sbt -name "*.lock" | xargs rm
+  - find $HOME/.ivy2 -name "ivydata-*.properties" | xargs rm
 
 after_success:
-- sbt coveralls
-- sbt 'set credentials += Credentials("Sonatype Nexus Repository Manager", "oss.sonatype.org", System.getenv("SONATYPE_USER"), System.getenv("SONATYPE_PASS"))' publish
+  - sbt coveralls
+  - sbt publish
 
 env:
   global:

build.sbt

@@ -47,50 +47,4 @@ addCompilerPlugin("org.scala-lang.plugins" % "scala-continuations-plugin_2.11.2"
 scalacOptions += "-P:continuations:enable"
 
 // code coverage
-scoverage.ScoverageSbtPlugin.ScoverageKeys.coverageHighlighting := false
-
-// maven publishing
-publishMavenStyle := true
-
-publishArtifact in Test := false
-
-pomIncludeRepository := { _ => false }
-
-publishTo := {
-  val nexus = "https://oss.sonatype.org/"
-  val repo = if (version.value.trim.endsWith("SNAPSHOT"))
-    "snapshots" at nexus + "content/repositories/snapshots"
-  else
-    "releases" at nexus + "service/local/staging/deploy/maven2"
-  Some(repo)
-}
-
-releasePublishArtifactsAction := PgpKeys.publishSigned.value
-
-sonatypeProfileName := "org.scala-lang"
-
-// Invalid POM: Project URL missing, License information missing, SCM URL missing, Developer information missing
-
-description := "Lightweight Modular Staging"
-
-homepage := Some(url("https://scala-lms.github.io"))
-
-licenses := List("BSD-like" -> url("http://github.com/TiarkRompf/virtualization-lms-core/tree/master/LICENSE"))
-
-scmInfo := Some(ScmInfo(url("https://github.com/TiarkRompf/virtualization-lms-core"), "[email protected]:TiarkRompf/virtualization-lms-core.git"))
-
-// developers := List(Developer("tiarkrompf", "Tiark Rompf", "@tiarkrompf", url("http://github.com/tiarkrompf")))
-
-pomExtra in Global := {
-  <developers>
-    <developer>
-      <id>tiarkrompf</id>
-      <name>Tiark Rompf</name>
-      <url>https://github.com/tiarkrompf</url>
-    </developer>
-  </developers>
-}
-
-
-
-// NOTE: sonatypeRelease must be run explicitly, after `sbt release`
+scoverage.ScoverageSbtPlugin.ScoverageKeys.coverageHighlighting := false

publish.sbt

@@ -0,0 +1,54 @@
+// maven publishing
+publishMavenStyle := true
+
+publishArtifact in Test := false
+
+pomIncludeRepository := { _ => false }
+
+publishTo := {
+  val nexus = "https://oss.sonatype.org/"
+  val repo = if (version.value.trim.endsWith("SNAPSHOT"))
+    "snapshots" at nexus + "content/repositories/snapshots"
+  else
+    "releases" at nexus + "service/local/staging/deploy/maven2"
+  Some(repo)
+}
+
+releasePublishArtifactsAction := PgpKeys.publishSigned.value
+
+sonatypeProfileName := "org.scala-lang"
+
+// Invalid POM: Project URL missing, License information missing, SCM URL missing, Developer information missing
+
+description := "Lightweight Modular Staging"
+
+homepage := Some(url("https://scala-lms.github.io"))
+
+licenses := List("BSD-like" -> url("http://github.com/TiarkRompf/virtualization-lms-core/tree/master/LICENSE"))
+
+scmInfo := Some(ScmInfo(url("https://github.com/TiarkRompf/virtualization-lms-core"), "[email protected]:TiarkRompf/virtualization-lms-core.git"))
+
+// developers := List(Developer("tiarkrompf", "Tiark Rompf", "@tiarkrompf", url("http://github.com/tiarkrompf")))
+
+pomExtra in Global := {
+  <developers>
+    <developer>
+      <id>tiarkrompf</id>
+      <name>Tiark Rompf</name>
+      <url>https://github.com/tiarkrompf</url>
+    </developer>
+  </developers>
+}
+
+(for {
+  username <- Option(System.getenv().get("SONATYPE_USERNAME"))
+  password <- Option(System.getenv().get("SONATYPE_PASSWORD"))
+} yield 
+  credentials += Credentials(
+                   "Sonatype Nexus Repository Manager", 
+                   "oss.sonatype.org", 
+                   username, 
+                   password)
+                 ).getOrElse(credentials ++= Seq())
+
+// NOTE: sonatypeRelease must be run explicitly, after `sbt release`