sbt/project/build/InstallExtractProject.scala

68 lines
3.2 KiB
Scala

/* sbt -- Simple Build Tool
* Copyright 2009, 2010 Mark Harrah
*/
import sbt._
import java.io.File
// TODO: use ProguardProject
protected class InstallExtractProject(info: ProjectInfo, pluginProject: => InstallPluginProject) extends DefaultProject(info) with NoPublish
{
override def unmanagedClasspath = super.unmanagedClasspath +++ info.sbtClasspath
private lazy val plugin = pluginProject
val mainClassName = "sbt.extract.Main"
val proguardConfigurationPath: Path = outputPath / "proguard.pro"
val toolsConfig = config("tools")
val defaultConfig = Configurations.Default
val proguardJar = "net.sf.proguard" % "proguard" % "4.3" % "tools"
def rootProjectDirectory = rootProject.info.projectPath
def outputJar = (plugin.outputPath ##) / defaultJarName
/******** Proguard *******/
lazy val proguard = proguardTask dependsOn(`package`, writeProguardConfiguration, cleanProguard)
lazy val writeProguardConfiguration = writeProguardConfigurationTask dependsOn `package`
lazy val cleanProguard = cleanTask(outputJar)
private def proguardTask =
task
{
val proguardClasspathString = Path.makeString(managedClasspath(toolsConfig).get)
val configFile = proguardConfigurationPath.asFile.getAbsolutePath
val exitValue = Process("java", List("-Xmx256M", "-cp", proguardClasspathString, "proguard.ProGuard", "@" + configFile)) ! log
if(exitValue == 0) None else Some("Proguard failed with nonzero exit code (" + exitValue + ")")
}
private def writeProguardConfigurationTask =
task
{
// the template for the proguard configuration file
val outTemplate = """
|-dontoptimize
|-dontobfuscate
|-dontnote
|-dontwarn
|-libraryjars %s
|%s
|-outjars %s
|-ignorewarnings
|-keep public class %s {
| public static void main(java.lang.String[]);
|}"""
val defaultJar = jarPath.absolutePath
log.debug("proguard configuration using main jar " + defaultJar)
val externalDependencies = (mainCompileConditional.analysis.allExternals).map(_.getAbsoluteFile).filter(_.getName.endsWith(".jar"))
debugJars("external dependencies", externalDependencies)
// partition jars from the external jar dependencies of this project by whether they are located in the project directory
// if they are, they are specified with -injars, otherwise they are specified with -libraryjars
val (externalJars, libraryJars) = externalDependencies.toList.partition{jar => Path.relativize(rootProjectDirectory, jar).isDefined}
debugJars("library jars", libraryJars)
val externalJarStrings = externalJars.map( _ + "(!META-INF/**,!*.properties)")
// exclude properties files and manifests from scala-library jar
val inJars = (defaultJar :: externalJarStrings).map("-injars " + _).mkString("\n")
val proguardConfiguration = outTemplate.stripMargin.format(libraryJars.mkString(File.pathSeparator), inJars, outputJar.absolutePath, mainClassName)
log.debug("Proguard configuration written to " + proguardConfigurationPath)
FileUtilities.write(proguardConfigurationPath.asFile, proguardConfiguration, log)
}
private def debugJars[T](label: String, jars: Iterable[T]): Unit =
log.debug("proguard configuration " + label + ": \n\t" + jars.mkString("\n\t"))
}