Use has_key? rather than accessing the value

2013-06-13 18:40:08 -05:00 · 2013-06-13 18:40:08 -05:00 · 4e4a5af731
commit 4e4a5af731
parent 020a505970
1 changed files with 1 additions and 1 deletions
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@ -306,7 +306,7 @@ module HomebrewEnvExtension

  def replace_in_cflags before, after
    CC_FLAG_VARS.each do |key|
-      self[key] = self[key].sub before, after if self[key]
+      self[key] = self[key].sub(before, after) if has_key?(key)
    end
  end