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package cbt
import java.io._
import scala.collection.immutable.Seq
import cbt.paths._
object Stage2 extends Stage2Base{
def run( args: Stage2Args ): Unit = {
import args.logger
val lib = new Lib(args.logger)
logger.stage2(s"Stage2 start")
val loop = args.args.lift(0) == Some("loop")
val direct = args.args.lift(0) == Some("direct")
val taskIndex = if (loop || direct) {
1
} else {
0
}
val task = args.args.lift( taskIndex )
val context = Context( args.cwd, args.args.drop( taskIndex ), logger, args.cbtHasChanged, new ClassLoaderCache(logger) )
val first = lib.loadRoot( context )
val build = first.finalBuild
val res =
if (loop) {
// TODO: this should allow looping over task specific files, like test files as well
val triggerFiles = first.triggerLoopFiles.map(lib.realpath)
val triggerCbtFiles = Seq( nailgun, stage1, stage2 ).map(lib.realpath _)
val allTriggerFiles = triggerFiles ++ triggerCbtFiles
logger.loop("Looping change detection over:\n - "++allTriggerFiles.mkString("\n - "))
lib.watch(allTriggerFiles){
case file if triggerCbtFiles.exists(file.toString startsWith _.toString) =>
logger.loop("Change is in CBT's own source code.")
logger.loop("Restarting CBT.")
scala.util.control.Breaks.break
case file if triggerFiles.exists(file.toString startsWith _.toString) =>
val build = lib.loadDynamic(context)
val reflectBuild = new lib.ReflectBuild( build )
logger.loop(s"Re-running $task for " ++ build.projectDirectory.toString)
reflectBuild.callNullary(task)
}
} else {
new lib.ReflectBuild(build).callNullary(task)
}
logger.stage2(s"Stage2 end")
}
}
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