From 386228e2baf09ec3581c4139f7b4446dd0b4833a Mon Sep 17 00:00:00 2001
From: Ilya Matveev <ilya.matveev@jetbrains.com>
Date: Tue, 28 Mar 2017 18:58:29 +0700
Subject: [PATCH] tools: Check if dependency directory is not empty

---
 tools/helpers/src/main/kotlin/DependencyDownloader.kt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/helpers/src/main/kotlin/DependencyDownloader.kt b/tools/helpers/src/main/kotlin/DependencyDownloader.kt
index 1b341ddd410..6b20e973616 100644
--- a/tools/helpers/src/main/kotlin/DependencyDownloader.kt
+++ b/tools/helpers/src/main/kotlin/DependencyDownloader.kt
@@ -49,7 +49,10 @@ class DependencyDownloader(dependenciesRoot: File, val properties: Properties, v
 
         val cachedDependencies = DependencyFile(cacheDirectory, ".cached")
         val extractedDependencies = DependencyFile(dependenciesDirectory, ".extracted")
-        if (extractedDependencies.contains(depName) && depDir.exists()) {
+        if (extractedDependencies.contains(depName) &&
+                depDir.exists() &&
+                depDir.isDirectory &&
+                depDir.list().isNotEmpty()) {
             return
         }