lib/nanoc/data_sources/filesystem.rb in nanoc-4.12.12 vs lib/nanoc/data_sources/filesystem.rb in nanoc-4.12.13

@@ -92,12 +92,14 @@
 
     def changes_for_dir(dir)
       require 'listen'
 
       Nanoc::Core::ChangesStream.new do |cl|
-        if dir
+        full_dir = dir ? File.expand_path(dir) : nil
+
+        if full_dir && File.directory?(full_dir)
           listener =
-            Listen.to(File.expand_path(dir)) do |_modifieds, _addeds, _deleteds|
+            Listen.to(full_dir) do |_modifieds, _addeds, _deleteds|
               cl.unknown
             end
 
           listener.start