From 660e6fb7109b64662fb40de187227e6ec504e36b Mon Sep 17 00:00:00 2001
From: Alex Khvatov <khvatov@gmail.com>
Date: Tue, 19 Jun 2018 14:47:48 -0400
Subject: [PATCH] Fix for #4157

see discussion https://github.com/sbt/sbt/issues/4157
---
 .../ivyint/SbtChainResolver.scala               | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/ivy/src/main/scala/sbt/internal/librarymanagement/ivyint/SbtChainResolver.scala b/ivy/src/main/scala/sbt/internal/librarymanagement/ivyint/SbtChainResolver.scala
index 3e70ecafc..c7c8904bf 100644
--- a/ivy/src/main/scala/sbt/internal/librarymanagement/ivyint/SbtChainResolver.scala
+++ b/ivy/src/main/scala/sbt/internal/librarymanagement/ivyint/SbtChainResolver.scala
@@ -216,7 +216,22 @@ private[sbt] case class SbtChainResolver(
       val firstHit = sortedRevisions.reverse.headOption
       firstHit.map { hit =>
         val (resolvedModule, resolver) = hit
-        Message.warn(s"Choosing $resolver for ${resolvedModule.getId}")
+        
+        if (resolvedModule.getId.getRevision.contains("SNAPSHOT")) {
+
+          Message.warn(
+            "Resolving a snapshot version. It's going to be slow unless you use `updateOptions := updateOptions.value.withLatestSnapshots(false)` options.")
+          val resolvers = sortedRevisions.map(_._2.getName)
+          sortedRevisions.foreach(h => {
+            val (module, resolver) = h
+            Message.info(
+              s"Out of ${sortedRevisions.size} candidates we found for ${module.getId} in ${resolvers
+                .mkString(" and ")}, we are choosing ${resolver}.")
+          })
+        } else {
+          Message.warn(s"Choosing $resolver for ${resolvedModule.getId}")
+        }
+
         // Now that we know the real latest revision, let's force Ivy to use it
         val resolvedDescriptor = resolvedModule.getDescriptor
         val artifactOpt = findFirstArtifactRef(resolvedDescriptor, data, resolver)