From 4c97e3c035ad23dec7c166e300a7a5b927f596a8 Mon Sep 17 00:00:00 2001
From: Alexander Zolotov <zolotov@jetbrains.com>
Date: Fri, 6 Apr 2018 20:54:38 +0300
Subject: [PATCH] [usages] look for usages of files even if their names start
 with .

---
 .../com/intellij/psi/impl/search/CachesBasedRefSearcher.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java b/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java
index c09e67ccf6b9..415a4df54ccd 100644
--- a/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java
+++ b/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java
@@ -32,7 +32,8 @@ public class CachesBasedRefSearcher extends QueryExecutorBase<PsiReference, Refe
     if (refElement instanceof PsiFileSystemItem && !(refElement instanceof SyntheticFileSystemItem)) {
       final VirtualFile vFile = ((PsiFileSystemItem)refElement).getVirtualFile();
       if (vFile != null) {
-        text = vFile.getNameWithoutExtension();
+        String fileNameWithoutExtension = vFile.getNameWithoutExtension();
+        text = fileNameWithoutExtension.isEmpty() ? vFile.getName() : fileNameWithoutExtension;
       }
       // We must not look for file references with the file language's case-sensitivity, 
       // since case-sensitivity of the references themselves depends either on file system