How do I make nscala-time available to sbt-buildinfo in my project/Build.scala?

[Robert Kuhar]

I'm new to the whole Scala/SBT/Play stack and am struggling to figure out what is available to me and when.  My current challenge is to get the nscala-time available in my Build.scala so I can do a propert ISO-8601 timestamp of my build.  I add my appDependency but the compiler hates it...

bobk-mbp:dm2-server bobk$ play

[info] Loading project definition from /Users/bobk/work/dm2-server/project

[error] /Users/bobk/work/dm2-server/project/Build.scala:5: object github is not a member of package com

[error] import com.github.nscala_time.time.Imports._

[error]            ^

[error] one error found

[error] (compile:compile) Compilation failed

Project loading failed: (r)etry, (q)uit, (l)ast, or (i)gnore? 

import sbt._

import Keys._

import play.Project._

import sbtbuildinfo.Plugin._

import com.github.nscala_time.time.Imports._

object ApplicationBuild extends Build {

  val appName = "dm2-server"

  val appVersion = "2.0-SNAPSHOT"

  val appDependencies = Seq(

    // Add your project dependencies here,

    javaCore,

    "org.slf4j" % "slf4j-api" % "1.7.5",

    "org.slf4j" % "jcl-over-slf4j" % "1.7.5",

    "org.slf4j" % "jul-to-slf4j" % "1.7.5",

    "ch.qos.logback" % "logback-classic" % "1.0.13",

    "com.github.nscala-time" %% "nscala-time" % "0.4.2",

    filters)

  val main = play.Project(

    appName,

    appVersion,

    appDependencies,

    settings = Defaults.defaultSettings ++ buildInfoSettings).settings(

      // Add your own project settings here

      // BuildInfo

      sourceGenerators in Compile <+= buildInfo,

      buildInfoKeys := Seq[BuildInfoKey](

        name,

        version,

        scalaVersion,

        sbtVersion,

        BuildInfoKey.action("buildTime") {

          // TODO: would really like to see nscala-time here for proper ISO-8601

          // new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss z").format(new java.util.Date())

          DateTime.now

        },

        BuildInfoKey.action("buildUser") { sys.props.getOrElse("user.name", "unknown") }),

      buildInfoPackage := "com.htc.cs.dm2",

      scalacOptions ++= Seq("-feature"))

}

How do I get this to compile?  Am I in the right forum or should I send this to the play-framework guys?

[Mark Harrah]

This means to make nscala-time a dependency of your project's code. It will be on the classpath for compiling and running sources in src/... To use a library in a build definition, such as in a task implementation, declare it in project/plugins.sbt:

libraryDependencies +=

"com.github.nscala-time" %% "nscala-time" % "0.4.2",

This puts it on the classpath and runtime for build definitions (and tasks).

Here (or StackOverflow, which seems to be higher traffic these days) works.

-Mark

[Robert Kuhar]

Thanks.  That worked really well.

Bob