From dc9d70200cc332692083a020b1d419f220ac1173 Mon Sep 17 00:00:00 2001
From: Johannes Rudolph <johannes_rudolph@gmx.de>
Date: Thu, 1 Dec 2011 11:39:45 +0100
Subject: [PATCH] rename `ivy-report` to `ivy-report-function` and introduce
 new InputTask `ivy-report` which results in the location of the ivy report
 file when given a configuration

---
 .../scala/net/virtualvoid/sbt/graph/Plugin.scala | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala b/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala
index b9d98b940..420262ea8 100644
--- a/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala
+++ b/src/main/scala/net/virtualvoid/sbt/graph/Plugin.scala
@@ -6,15 +6,25 @@ import Keys._
 object Plugin extends sbt.Plugin {
   val dependencyGraphTask = TaskKey[File]("dependency-graph",
     "Creates a graphml file containing the dependency-graph for a project")
-  val ivyReport = SettingKey[String => File]("ivy-report",
+  val ivyReportF = SettingKey[String => File]("ivy-report-function",
     "A function which returns the file containing the ivy report from the ivy cache for a given configuration")
+  val ivyReport = InputKey[File]("ivy-report",
+    "A task which returns the location of the ivy report file for a given configuration (default `compile`).")
 
   def graphSettings = Seq(
-    ivyReport <<= (projectID, scalaVersion, appConfiguration) { (projectID, scalaVersion, config) =>
+    ivyReportF <<= (projectID, scalaVersion, appConfiguration) { (projectID, scalaVersion, config) =>
       val home = config.provider.scalaProvider.launcher.ivyHome
       (c: String) => file("%s/cache/%s-%s-%s.xml" format (home, projectID.organization, crossName(projectID, scalaVersion), c))
     },
-    dependencyGraphTask <<= (ivyReport, target, streams) map { (report, target, streams) =>
+    ivyReport <<= inputTask { args =>
+      (args, ivyReportF) map { (args, report) =>
+        if (args.isEmpty)
+          report("compile")
+        else
+          report(args(0))
+      }
+    },
+    dependencyGraphTask <<= (ivyReportF, target, streams) map { (report, target, streams) =>
       val resultFile = target / "dependencies.graphml"
       IvyGraphMLDependencies.transform(report("compile").getAbsolutePath, resultFile.getAbsolutePath)
       streams.log.info("Wrote dependency graph to '%s'" format resultFile)