formulary: use CoreFormulaRepository

Let's hide implementation detail on where to find core formulae alias
directory. This will benefit future core code and formulae separation.

1 files changed, 1 insertions, 1 deletions

diff --git a/Library/Homebrew/formulary.rb b/Library/Homebrew/formulary.rb
index 6b1b7de99..e71656224 100644
--- a/Library/Homebrew/formulary.rb
+++ b/Library/Homebrew/formulary.rb
@@ -276,7 +276,7 @@ class Formulary
       return FormulaLoader.new(ref, formula_with_that_name)
     end
 
-    possible_alias = Pathname.new("#{HOMEBREW_LIBRARY}/Aliases/#{ref}")
+    possible_alias = CoreFormulaRepository.instance.alias_dir/ref
     if possible_alias.file?
       return AliasLoader.new(possible_alias)
     end