lib/dassets.rb in dassets-0.14.4 vs lib/dassets.rb in dassets-0.14.5

@@ -18,12 +18,16 @@
   def self.reset
     @asset_files = {}
     self.config.reset
   end
 
+  def self.asset_file(digest_path)
+    @asset_files[digest_path] ||= AssetFile.new(digest_path)
+  end
+
   def self.[](digest_path)
-    @asset_files[digest_path] ||= AssetFile.new(digest_path).tap do |af|
+    self.asset_file(digest_path).tap do |af|
       if af.fingerprint.nil?
         msg = "error digesting `#{digest_path}`.\n\nMake sure Dassets has " \
               "either a combination or source file for this digest path. If " \
               "this path is for a combination, make sure Dassets has either " \
               "a combination or source file for each digest path of the " \
@@ -34,10 +38,10 @@
         Dassets.combinations.keys.sort.each do |key|
           bullet = "#{key} => "
           values = Dassets.combinations[key].sort
           msg << (
             ["#{bullet}#{values.first}"] +
-            values[1..-1].map{ |v| "#{' '*bullet.size}#{v}" }
+            (values[1..-1] || []).map{ |v| "#{' '*bullet.size}#{v}" }
           ).join("\n")
           msg << "\n\n"
         end
 
         msg << "\nSource file digest paths:"