mirror of https://github.com/sbt/sbt.git
46 lines
1.3 KiB
Scala
46 lines
1.3 KiB
Scala
/* sbt -- Simple Build Tool
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* Copyright 2008, 2009, 2010 Mark Harrah
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*/
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package sbt
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case class State(project: Any)(
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val configuration: xsbti.AppConfiguration,
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val processors: Seq[Command],
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val exitHooks: Set[ExitHook],
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val onFailure: Option[String],
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val commands: Seq[String],
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val next: Next.Value
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)
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trait StateOps {
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def process(f: (String, State) => State): State
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def ::: (commands: Seq[String]): State
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def :: (command: String): State
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def continue: State
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def reload: State
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def exit(ok: Boolean): State
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def fail: State
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}
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object State
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{
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implicit def stateOps(s: State): StateOps = new StateOps {
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def process(f: (String, State) => State): State =
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s.commands match {
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case x :: xs => f(x, s.copy()(commands = xs))
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case Nil => exit(true)
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}
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s.copy()(commands = s.commands.drop(1))
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def ::: (newCommands: Seq[String]): State = s.copy()(commands = newCommands ++ s.commands)
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def :: (command: String): State = s.copy()(commands = command +: s.commands)
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def setNext(n: Next.Value) = s.copy()(next = n)
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def continue = setNext(Next.Continue)
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def reload = setNext(Next.Reload)
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def exit(ok: Boolean) = setNext(if(ok) Next.Fail else Next.Done)
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def fail =
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s.onFailure match
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{
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case Some(c) => s.copy()(commands = c :: Nil, onFailure = None)
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case None => exit(ok = false)
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}
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}
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} |