1 files changed, 7 insertions, 0 deletions
diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index 0adf8d548..bd60cbecc 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -121,6 +121,13 @@ module HomebrewArgvExtension
     flag_with_value.strip_prefix(arg_prefix) if flag_with_value
   end
 
+  # Returns an array of values that were given as a comma-seperated list.
+  # @see value
+  def values(name)
+    return unless val = value(name)
+    val.split(",")
+  end
+
   def force?
     flag? "--force"
   end