mirror of https://github.com/sbt/sbt.git
49 lines
1.3 KiB
Scala
49 lines
1.3 KiB
Scala
/* sbt -- Simple Build Tool
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* Copyright 2009, 2010 Mark Harrah
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*/
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package xsbt.boot
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import java.io.File
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// The entry point to the launcher
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object Boot
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{
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def main(args: Array[String])
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{
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args match {
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case Array("--version") =>
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println("sbt launcher version " + Package.getPackage("xsbt.boot").getImplementationVersion)
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case _ =>
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System.clearProperty("scala.home") // avoid errors from mixing Scala versions in the same JVM
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CheckProxy()
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run(args)
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}
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}
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// this arrangement is because Scala 2.7.7 does not properly optimize away
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// the tail recursion in a catch statement
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final def run(args: Array[String]): Unit = runImpl(args) match {
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case Some(newArgs) => run(newArgs)
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case None => ()
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}
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private def runImpl(args: Array[String]): Option[Array[String]] =
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try
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Launch(args.toList) map exit
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catch
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{
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case b: BootException => errorAndExit(b.toString)
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case r: xsbti.RetrieveException => errorAndExit("Error: " + r.getMessage)
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case r: xsbti.FullReload => Some(r.arguments)
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case e =>
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e.printStackTrace
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errorAndExit(Pre.prefixError(e.toString))
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}
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private def errorAndExit(msg: String): Nothing =
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{
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System.out.println(msg)
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exit(1)
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}
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private def exit(code: Int): Nothing =
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System.exit(code).asInstanceOf[Nothing]
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}
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