From d4db3d5d401bf1816075282061a2895642bcf07f Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Fri, 3 Jan 2014 21:33:07 +0000
Subject: dependency: don't try and expand yourself.

This can happen on e.g. fossil where the dependency HEAD requires having
an install of fossil in order to check it out. Bit of a silly edge case
but this handles it.

Fixes Homebrew/homebrew#25605
---
 Library/Homebrew/dependency.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Library')

diff --git a/Library/Homebrew/dependency.rb b/Library/Homebrew/dependency.rb
index e2a810cfe..1ed921cc3 100644
--- a/Library/Homebrew/dependency.rb
+++ b/Library/Homebrew/dependency.rb
@@ -85,6 +85,7 @@ class Dependency
         when :keep_but_prune_recursive_deps
           [dep]
         else
+          next [] if dependent.to_s == dep.name
           expand(dep.to_formula, &block) << dep
         end
       end.flatten
-- 
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