From b19c219f01eac0e5874e6270226ca7dd32894ed3 Mon Sep 17 00:00:00 2001
From: Viktor Klang <viktor.klang@gmail.com>
Date: Wed, 8 Dec 2010 10:14:27 +0100
Subject: [PATCH] Adding McPom

---
 project/build/AkkaProject.scala | 49 ++++++++++++++++++++++++++++++++-
 1 file changed, 48 insertions(+), 1 deletion(-)

diff --git a/project/build/AkkaProject.scala b/project/build/AkkaProject.scala
index c340c29a74..9356f5504e 100644
--- a/project/build/AkkaProject.scala
+++ b/project/build/AkkaProject.scala
@@ -441,7 +441,7 @@ class AkkaParentProject(info: ProjectInfo) extends DefaultProject(info) {
   lazy val stressTestsEnabled = systemOptional[Boolean]("stress.tests",false)
 
   // ------------------------------------------------------------
-  class AkkaDefaultProject(info: ProjectInfo, val deployPath: Path) extends DefaultProject(info) with DeployProject with OSGiProject {
+  class AkkaDefaultProject(info: ProjectInfo, val deployPath: Path) extends DefaultProject(info) with DeployProject with OSGiProject with McPom {
     override def disableCrossPaths = true
     lazy val sourceArtifact = Artifact(this.artifactID, "source", "jar", Some("sources"), Nil, None)
     lazy val docsArtifact = Artifact(this.artifactID, "doc", "jar", Some("docs"), Nil, None)
@@ -450,6 +450,7 @@ class AkkaParentProject(info: ProjectInfo) extends DefaultProject(info) {
     override def packageDocsJar = this.defaultJarPath("-docs.jar")
     override def packageSrcJar  = this.defaultJarPath("-sources.jar")
     override def packageToPublishActions = super.packageToPublishActions ++ Seq(this.packageDocs, this.packageSrc)
+    override def pomPostProcess(node: scala.xml.Node): scala.xml.Node = mcPom(AkkaParentProject.this.moduleConfigurations)(super.pomPostProcess(node))
 
     /**
      * Used for testOptions, possibility to enable the running of integration and or stresstests
@@ -492,3 +493,49 @@ trait DeployProject { self: BasicScalaProject =>
 trait OSGiProject extends BNDPlugin { self: DefaultProject =>
   override def bndExportPackage = Seq("akka.*;version=%s".format(projectVersion.value))
 }
+
+trait McPom { self: DefaultProject =>
+  import scala.xml._
+
+  def mcPom(mcs: Set[ModuleConfiguration])(node: Node): Node = {
+
+    def cleanUrl(url: String) = url match {
+      case null => ""
+      case "" => ""
+      case u if u endsWith "/" => u
+      case u => u + "/"
+    }
+
+    val oldRepos = (node \\ "project" \ "repositories" \ "repository").
+                     map( n => cleanUrl((n \ "url").text) -> (n \ "name").text).toList
+    val newRepos = mcs.filter(_.resolver.isInstanceOf[MavenRepository]).map(m => {
+                      val r = m.resolver.asInstanceOf[MavenRepository]
+                      cleanUrl(r.root) -> r.name
+                   })
+
+    val repos = Map((oldRepos ++ newRepos):_*).map( pair =>
+                  <repository>
+                     <id>{pair._2.toSeq.filter(_.isLetterOrDigit).mkString}</id>
+                     <name>{pair._2}</name>
+                     <url>{pair._1}</url>
+                  </repository>
+                )
+
+    def rewrite(pf:PartialFunction[Node,Node])(ns: Seq[Node]): Seq[Node] = for(subnode <- ns) yield subnode match {
+        case e: Elem =>
+          if (pf isDefinedAt e) pf(e)
+          else Elem(e.prefix, e.label, e.attributes, e.scope, rewrite(pf)(e.child):_*)
+        case other => other
+    }
+
+    val rule: PartialFunction[Node,Node] = if ((node \\ "project" \ "repositories" ).isEmpty) {
+      case Elem(prefix, "project", attribs, scope, children @ _*) =>
+           Elem(prefix, "project", attribs, scope, children ++ <repositories>{repos}</repositories>:_*)
+    } else {
+      case Elem(prefix, "repositories", attribs, scope, children @ _*) =>
+           Elem(prefix, "repositories", attribs, scope, repos.toList:_*)
+    }
+
+    rewrite(rule)(node.theSeq)(0)
+  }
+}
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