From 396b621fdac8bcd7d1136ffe1ff9f31a01f6e1c1 Mon Sep 17 00:00:00 2001
From: "Vladislav.Soroka" <Vladislav.Soroka@jetbrains.com>
Date: Fri, 5 Aug 2016 14:37:16 +0300
Subject: [PATCH] gradle: handle cycles during configuration project
 dependencies collect IDEA-158517

---
 .../plugins/gradle/tooling/util/DependencyResolverImpl.groovy   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/tooling/util/DependencyResolverImpl.groovy b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/tooling/util/DependencyResolverImpl.groovy
index dd6ac919a370..61c84270b301 100644
--- a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/tooling/util/DependencyResolverImpl.groovy
+++ b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/tooling/util/DependencyResolverImpl.groovy
@@ -143,8 +143,10 @@ class DependencyResolverImpl implements DependencyResolver {
         Map<ComponentIdentifier, ComponentArtifactsResult> componentResultsMap = [:];
         componentResults.each { componentResultsMap.put(it.id, it) }
 
+        Set<Configuration> processedConfigurations = new HashSet<>()
         def projectDeps
         projectDeps = { Configuration conf, map = ArrayListMultimap.create() ->
+          if(!processedConfigurations.add(conf)) return map
           conf.incoming.dependencies.findAll { it instanceof ProjectDependency }.each { it ->
             map.put(toComponentIdentifier(it.group, it.name, it.version), it as ProjectDependency)
             projectDeps((it as ProjectDependency).projectConfiguration, map)