lib/raven/linecache.rb in sentry-raven-0.13.3 vs lib/raven/linecache.rb in sentry-raven-0.14.0

@@ -3,20 +3,27 @@
 module Raven
   class LineCache
     class << self
       CACHE = {}
 
+      def is_valid_file(path)
+        lines = getlines(path)
+        return lines != nil
+      end
+
       def getlines(path)
         CACHE[path] ||= begin
           IO.readlines(path)
         rescue
-          []
+          nil
         end
       end
 
       def getline(path, n)
         return nil if n < 1
-        getlines(path)[n - 1]
+        lines = getlines(path)
+        return nil if lines == nil
+        lines[n - 1]
       end
     end
   end
 end