From d09153763624096d6a300f02ce395f03967d01af Mon Sep 17 00:00:00 2001
From: Uladzislau Shablinski <vladshablinsky@gmail.com>
Date: Mon, 26 Dec 2016 20:16:04 +0300
Subject: [PATCH] Don't drop .rb suffix for formula names

Fixes #1718
---
 Library/Homebrew/formulary.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/formulary.rb b/Library/Homebrew/formulary.rb
index 6ed5b91ba7..7e8811c9a6 100644
--- a/Library/Homebrew/formulary.rb
+++ b/Library/Homebrew/formulary.rb
@@ -333,7 +333,9 @@ class Formulary
       return TapLoader.new(ref, from: from)
     end
 
-    return FromPathLoader.new(ref) if File.extname(ref) == ".rb"
+    if File.extname(ref) == ".rb" && Pathname.new(ref).expand_path.exist?
+      return FromPathLoader.new(ref)
+    end
 
     formula_with_that_name = core_path(ref)
     if formula_with_that_name.file?