1 files changed, 7 insertions, 0 deletions
diff --git a/Library/Homebrew/extend/ENV.rb b/Library/Homebrew/extend/ENV.rb
index 729598e28..283e90b69 100644
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@@ -26,6 +26,13 @@ module EnvActivation
   ensure
     replace(old_env)
   end
+
+  def clear_sensitive_environment!
+    ENV.keys.each do |key|
+      next unless /(cookie|key|token)/i =~ key
+      ENV.delete key
+    end
+  end
 end
 
 ENV.extend(EnvActivation)