Only write 'info' tag if user has not provided one.

src/main/scala/sbt/ManageDependencies.scala

@@ -235,10 +235,15 @@ object ManageDependencies
 		{
 			import module._
 			<ivy-module version="2.0">
-				<info organisation={organization} module={name} revision={revision}/>
+				{ if(hasInfo(dependencies))
+					scala.xml.NodeSeq.Empty
+				else
+					<info organisation={organization} module={name} revision={revision}/>
+				}
 				{dependencies}
 			</ivy-module>
 		}
+		def hasInfo(x: scala.xml.NodeSeq) = !(<g>{x}</g> \ "info").isEmpty
 		/** Performs checks/adds filters on Scala dependencies (if enabled in IvyScala). */
 		def checkModule(moduleAndConf: (ModuleDescriptor, String)): Either[String, (ModuleDescriptor, String)] =
 			ivyScala match

src/sbt-test/dependency-management/info/project/build.properties

@@ -0,0 +1,3 @@
+project.name=test
+project.org=test
+project.version=1.0

src/sbt-test/dependency-management/info/project/build/InfoTest.scala

@@ -0,0 +1,35 @@
+import sbt._
+
+class InfoTest(info: ProjectInfo) extends DefaultProject(info)
+{
+	def ivyCacheDirectory = outputPath / "ivy-cache"
+	override def updateOptions =  CacheDirectory(ivyCacheDirectory) :: super.updateOptions.toList
+	
+	override def ivyXML =
+		if(customInfo)
+			(<info organisation="test" module="test" revision="1.0">
+				<license name="Two-clause BSD-style" url="http://github.com/szeiger/scala-query/blob/master/LICENSE.txt" />
+				<description homepage="http://github.com/szeiger/scala-query/">
+					ScalaQuery is a type-safe database query API for Scala.
+				</description>
+			</info>
+			<dependency org="org.scalacheck" name="scalacheck" rev="1.5"/>)
+		else
+			<dependency org="org.scalacheck" name="scalacheck" rev="1.5"/>
+
+	def customInfo = "info".asFile.exists
+
+	lazy val checkDownload = task { if(compileClasspath.get.isEmpty) Some("Dependency not downloaded") else None }
+	lazy val checkInfo = task {
+		if((delivered \ "info").isEmpty)
+			Some("No info tag generated")
+		else if(customInfo)
+			if( deliveredWithCustom ) None else Some("Expected 'license' and 'description' tags in info tag, got: \n" + (delivered \ "info"))
+		else
+			if( deliveredWithCustom ) Some("Expected empty 'info' tag, got: \n" + (delivered \ "info")) else None
+	}
+	def deliveredWithCustom = !(delivered \ "info" \ "license").isEmpty && !(delivered \ "info" \ "description").isEmpty
+	def delivered = scala.xml.XML.loadFile(ivyFile)
+
+	def ivyFile = (outputPath * "ivy*.xml").get.toList.head.asFile
+}

src/sbt-test/dependency-management/info/test

@@ -0,0 +1,13 @@
+> update [success]
+> check-download [success]
+> deliver-local [success]
+> check-info [success]
+
+> clean [success]
+> clean-lib [success]
+$ touch info [success]
+
+> update [success]
+> check-download [success]
+> deliver-local [success]
+> check-info [success]