Adding SHA resolve to the SBT build so that we don't need the push/pull binary libs script anymore. Only pull is implemented.

3 files changed, 61 insertions, 2 deletions

diff --git a/project/Build.scala b/project/Build.scala
index dd75b92734..6ffdffa005 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -141,7 +141,7 @@ object ScalaBuild extends Build with Layers {
     //commands += Release.setStarrHome
   )
   // Note: Root project is determined by lowest-alphabetical project that has baseDirectory as file(".").  we use aaa_ to 'win'.
-  lazy val aaa_root = Project("scala", file(".")) settings(projectSettings: _*)
+  lazy val aaa_root = Project("scala", file(".")) settings(projectSettings: _*) settings(ShaResolve.settings: _*)
 
   // External dependencies used for various projects
   lazy val externalDeps: Setting[_] = libraryDependencies <<= (sbtVersion)(v => 
@@ -206,7 +206,7 @@ object ScalaBuild extends Build with Layers {
 
   // Need a report on this...
   // TODO - Resolve STARR from a repo..
-  lazy val STARR = scalaInstance <<= appConfiguration map { app =>
+  lazy val STARR = scalaInstance <<= (appConfiguration, ShaResolve.pullBinaryLibs in ThisBuild) map { (app, _) =>
     val launcher = app.provider.scalaProvider.launcher
     val library  = file("lib/scala-library.jar")
     val compiler = file("lib/scala-compiler.jar")
diff --git a/project/ShaResolve.scala b/project/ShaResolve.scala
new file mode 100644
index 0000000000..2b7fafd576
--- /dev/null
+++ b/project/ShaResolve.scala
@@ -0,0 +1,57 @@
+import sbt._
+
+import Build._
+import Keys._
+import Project.Initialize
+import scala.collection.{ mutable, immutable }
+
+
+
+
+/** Helpers to resolve SHA artifacts from typesafe repo. */
+object ShaResolve {
+  import dispatch.{Http,url}
+  val remote_urlbase="http://typesafe.artifactoryonline.com/typesafe/scala-sha-bootstrap/org/scala-lang/bootstrap"  
+
+  val pullBinaryLibs = TaskKey[Unit]("pull-binary-libs", "Pulls binary libs by the SHA key.")
+  val pushBinaryLibs = TaskKey[Unit]("push-binary-libs", "Pushes binary libs whose SHA has changed.")
+  
+
+  def settings: Seq[Setting[_]] = Seq(
+    pullBinaryLibs in ThisBuild <<= (baseDirectory, streams) map resolveLibs
+  )
+
+  def resolveLibs(dir: File, s: TaskStreams): Unit = {
+     for {
+       (file, name) <- dir ** "*.desired.sha1" x relativeTo(dir)
+       uri = name.dropRight(13)       
+       jar = dir / uri
+       if !jar.exists || !isValidSha(file)
+       sha = getShaFromShafile(file)
+     } pullFile(jar, sha + "/" + uri, s)
+  }
+
+  def getShaFromShafile(file: File): String = (IO read file split "\\s" headOption) getOrElse error("No SHA found for " + file)
+
+
+  def isValidSha(file: File): Boolean =
+    try (Process(Seq("shasum", "-p", "--check", file.getAbsolutePath), Some(file.getParentFile)).!!  contains "OK") 
+    catch {
+      case t: Exception => false
+    }
+     
+
+  def pullFile(file: File, uri: String, s: TaskStreams): Unit = {
+    val url = remote_urlbase + "/" + uri
+    val fous = new java.io.FileOutputStream(file)
+    s.log.info("Pulling [" + url + "] to [" + file + "]")
+    try Http(dispatch.url(url) >>> fous) finally fous.close()
+  }
+  
+  def pushFile(file: File, uri: String, user: String, pw: String): Unit = {
+    val url = remote_urlbase + "/" + uri
+    val sender = dispatch.url(url).PUT.as(user,pw) <<< (file, "application/java-archive")
+    // TODO - output to logger.
+    Http(sender >>> System.out)
+  }
+}
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 2dfee4b5c9..b49ece7527 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -4,4 +4,6 @@ resolvers += Resolver.url("scalasbt", new URL("http://scalasbt.artifactoryonline
 
 resolvers += "jgit-repo" at "http://download.eclipse.org/jgit/maven"
 
+libraryDependencies += "net.databinder" %% "dispatch-http" % "0.8.6"
+