package cbt
import java.io._
import java.net._
class BasicBuild(val context: Context) extends BaseBuild
trait BaseBuild extends BuildInterface with DependencyImplementation with TriggerLoop with SbtDependencyDsl{
def context: Context
// library available to builds
implicit protected final val logger: Logger = context.logger
implicit protected final val classLoaderCache: ClassLoaderCache = context.classLoaderCache
implicit protected final val _context = context
override protected final val lib: Lib = new Lib(logger)
// ========== general stuff ==========
def enableConcurrency = false
final def projectDirectory: File = lib.realpath(context.projectDirectory)
assert( projectDirectory.exists, "projectDirectory does not exist: " ++ projectDirectory.string )
final def usage: String = lib.usage(this.getClass, show)
final def taskNames: String = lib.taskNames(this.getClass).sorted.mkString("\n")
// ========== meta data ==========
def defaultScalaVersion: String = constants.scalaVersion
final def scalaVersion = context.scalaVersion getOrElse defaultScalaVersion
final def scalaMajorVersion: String = lib.libMajorVersion(scalaVersion)
def crossScalaVersions: Seq[String] = Seq(scalaVersion, "2.10.6")
final def crossScalaVersionsArray: Array[String] = crossScalaVersions.to
def projectName = "default"
// TODO: get rid of this in favor of newBuild.
// currently blocked on DynamicOverride being not parts
// of core but being part of plugin essentials while
// callNullary in lib needing .copy .
def copy(context: Context): BuildInterface =
this.getClass
.getConstructor(classOf[Context])
.newInstance(context)
.asInstanceOf[BuildInterface]
def zincVersion = constants.zincVersion
def dependencies: Seq[Dependency] =
// FIXME: this should probably be removed
Resolver( mavenCentral ).bind(
"org.scala-lang" % "scala-library" % scalaVersion
)
// ========== paths ==========
final private val defaultSourceDirectory = projectDirectory ++ "/src"
/** base directory where stuff should be generated */
def target: File = projectDirectory ++ "/target"
/** base directory where stuff should be generated for this scala version*/
def scalaTarget: File = target ++ s"/scala-$scalaMajorVersion"
/** directory where jars (and the pom file) should be put */
def jarTarget: File = scalaTarget
/** directory where the scaladoc should be put */
def docTarget: File = scalaTarget ++ "/api"
/** directory where the class files should be put (in package directories) */
def compileTarget: File = scalaTarget ++ "/classes"
/**
File which cbt uses to determine if it needs to trigger an incremental re-compile.
Last modified date is the time when the last successful compilation started.
Contents is the cbt version git hash.
*/
def compileStatusFile: File = compileTarget ++ ".last-success"
/** Source directories and files. Defaults to .scala and .java files in src/ and top-level. */
def sources: Seq[File] = Seq(defaultSourceDirectory) ++ projectDirectory.listFiles.toVector.filter(lib.sourceFileFilter)
/** Absolute path names for all individual files found in sources directly or contained in directories. */
final def sourceFiles: Seq[File] = lib.sourceFiles(sources)
protected def logEmptySourceDirectories(): Unit = {
val nonExisting =
sources
.filterNot( _.exists )
.diff( Seq(defaultSourceDirectory) )
if(!nonExisting.isEmpty) logger.stage2("Some sources do not exist: \n"++nonExisting.mkString("\n"))
}
logEmptySourceDirectories()
def Resolver( urls: URL* ) = MavenResolver( context.cbtHasChanged, context.paths.mavenCache, urls: _* )
def ScalaDependency(
groupId: String, artifactId: String, version: String, classifier: Classifier = Classifier.none,
scalaVersion: String = scalaMajorVersion
) = lib.ScalaDependency( groupId, artifactId, version, classifier, scalaVersion )
final def DirectoryDependency(path: File) = cbt.DirectoryDependency(
context.copy( projectDirectory = path, args = Seq() )
)
def triggerLoopFiles: Seq[File] = sources ++ transitiveDependencies.collect{ case b: TriggerLoop => b.triggerLoopFiles }.flatten
def localJars : Seq[File] =
Seq(projectDirectory ++ "/lib")
.filter(_.exists)
.flatMap(_.listFiles)
.filter(_.toString.endsWith(".jar"))
override def dependencyClasspath : ClassPath = ClassPath(localJars) ++ super.dependencyClasspath
protected def compileDependencies: Seq[Dependency] = Nil
final def compileClasspath : ClassPath =
dependencyClasspath ++ ClassPath( compileDependencies.flatMap(_.exportedClasspath.files).distinct )
def resourceClasspath: ClassPath = {
val resourcesDirectory = projectDirectory ++ "/resources"
ClassPath( if(resourcesDirectory.exists) Seq(resourcesDirectory) else Nil )
}
def exportedClasspath : ClassPath = ClassPath(compile.toSeq) ++ resourceClasspath
def targetClasspath = ClassPath(Seq(compileTarget))
// ========== compile, run, test ==========
/** scalac options used for zinc and scaladoc */
def scalacOptions: Seq[String] = Seq(
"-feature",
"-deprecation",
"-unchecked"
)
private object needsUpdateCache extends Cache[Boolean]
def needsUpdate: Boolean = needsUpdateCache(
context.cbtHasChanged
|| lib.needsUpdate( sourceFiles, compileStatusFile )
|| transitiveDependencies.filterNot(_ == context.parentBuild).exists(_.needsUpdate)
)
private object compileCache extends Cache[Option[File]]
def compile: Option[File] = compileCache{
lib.compile(
context.cbtHasChanged,
needsUpdate || context.parentBuild.map(_.needsUpdate).getOrElse(false),
sourceFiles, compileTarget, compileStatusFile, compileClasspath,
context.paths.mavenCache, scalacOptions, context.classLoaderCache,
zincVersion = zincVersion, scalaVersion = scalaVersion
)
}
def mainClasses: Seq[Class[_]] = compile.toSeq.flatMap( lib.mainClasses( _, classLoader(classLoaderCache) ) )
def runClass: Option[String] = lib.runClass( mainClasses ).map( _.getName )
def run: ExitCode = runClass.map( lib.runMain( _, context.args, classLoader(context.classLoaderCache) ) ).getOrElse{
logger.task( "No main class found for " ++ projectDirectory.string )
ExitCode.Success
}
def clean: ExitCode = {
lib.clean(
target,
context.args.contains("force"),
context.args.contains("dry-run"),
context.args.contains("list"),
context.args.contains("help")
)
}
def repl: ExitCode = {
lib.consoleOrFail("Use `cbt direct repl` instead")
val colorized = "scala.color"
if(Option(System.getProperty(colorized)).isEmpty) {
// set colorized REPL, if user didn't pass own value
System.setProperty(colorized, "true")
}
val scalac = new ScalaCompilerDependency(context.cbtHasChanged, context.paths.mavenCache, scalaVersion)
lib.runMain(
"scala.tools.nsc.MainGenericRunner",
Seq(
"-bootclasspath",
scalac.classpath.string,
"-classpath",
classpath.string
) ++ context.args,
scalac.classLoader(classLoaderCache)
)
}
def test: Option[ExitCode] =
Some(new lib.ReflectBuild(
DirectoryDependency(projectDirectory++"/test").build
).callNullary(Some("run")))
def t = test
def rt = recursiveUnsafe(Some("test"))
def recursiveSafe(_run: BuildInterface => Any): ExitCode = {
val builds = (this +: transitiveDependencies).collect{
case b: BuildInterface => b
}
val results = builds.map(_run)
if(
results.forall{
case Some(_:ExitCode) => true
case None => true
case _:ExitCode => true
case other => false
}
){
if(
results.collect{
case Some(c:ExitCode) => c
case c:ExitCode => c
}.filter(_ != 0)
.nonEmpty
) ExitCode.Failure
else ExitCode.Success
} else ExitCode.Success
}
def recursive: ExitCode = {
recursiveUnsafe(context.args.lift(1))
}
def recursiveUnsafe(taskName: Option[String]): ExitCode = {
recursiveSafe{
b =>
System.err.println(b.show)
lib.trapExitCode{ // FIXME: trapExitCode does not seem to work here
try{
new lib.ReflectBuild(b).callNullary(taskName)
ExitCode.Success
} catch {
case e: Throwable => println(e.getClass); throw e
}
}
ExitCode.Success
}
}
def c = compile
def r = run
/*
context.logger.composition(">"*80)
context.logger.composition("class " ++ this.getClass.toString)
context.logger.composition("dir " ++ projectDirectory.string)
context.logger.composition("sources " ++ sources.toList.mkString(" "))
context.logger.composition("target " ++ target.string)
context.logger.composition("context " ++ context.toString)
context.logger.composition("dependencyTree\n" ++ dependencyTree)
context.logger.composition("<"*80)
*/
// ========== cbt internals ==========
def finalBuild: BuildInterface = this
override def show = this.getClass.getSimpleName ++ "(" ++ projectDirectory.string ++ ")"
// TODO: allow people not provide the method name, maybe via macro
// TODO: pull this out into lib
/**
caches given value in context keyed with given key and projectDirectory
the context is fresh on every complete run of cbt
*/
def cached[T <: AnyRef](name: String)(task: => T): T = {
val cache = context.taskCache
val key = (projectDirectory,name)
if( cache.containsKey(key) ){
cache.get(key).asInstanceOf[T]
} else{
val value = task
cache.put( key, value )
value
}
}
// a method that can be called only to trigger any side-effects
final def `void` = ()
}