Re: [sbt] How to use settings from build.sbt file in task.

[Josh Suereth]

To answer your question, just redefine the TaskKey in Build.scala.   As long as the types line up, everything is gravy.

I'd recommend, however, to always define TaskKey's in Build.scala or a .scala file if you use them.  Then, import it into build.sbt.

- Josh

On Thu, Jul 19, 2012 at 10:03 AM, Dawid Melewski <dawid.m...@gmail.com> wrote:

Hi,

How can i use settings from build.sbt file in Build.scala tasks?

i.e. i have task:

{code}

val hello = TaskKey[Unit]("hello", "Prints 'Hello World'")

val helloTask = hello := {
 ...
 IO.zip(files, name+"-"+version+".zip")
}

{code}
but with code above i have file with "sbt.SettingKey$$anon$4...@1484034-sbt.SettingKey$$anon$4@2e6f1694"

is possible to get value from SettingKey?

thanks for any help

dm

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[Jesse C]

Don't think that is what he is trying to do.  Looks like he wants to use the built in keys 'name' and 'version' in
another task.

wouldn't the correct way to do that be

val helloTask = hello <<= (name, version) map  { (n, v) =>
   IO.zip(files, n + "-" + v + ".zip")

[Josh Suereth]

Ahhh, so in Build.scala I'd have the following:

object MyBuild extends Build {

  val hello = TaskKey[Unit](...)

  // THis can be easily tested in console-project

  def helloTaskImpl(name: String, version: String) = ...

  def helloTask = hello <<=  (name, version) map helloTaskImpl

  val projectX = Project(...) settings(helloTask)

}

I like that three way split (well, at least the `helloTaskImpl`) because it's far easier to test a "vanilla" function.

[Dawid Melewski]

Thanks :)

this is exactly what i need

greets

}

- Josh

but with code above i have file with "sbt.SettingKey$$anon$4@1484034-sbt.SettingKey$$anon$4@2e6f1694"

is possible to get value from SettingKey?

thanks for any help

dm

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