Reworking errors with configuration file.

lib/jekyll.rb

@@ -131,16 +131,17 @@ module Jekyll
     config_file = File.join(source, '_config.yml')
     begin
       config = YAML.load_file(config_file)
-      raise "Invalid configuration file: #{config_file}" if !config.is_a?(Hash)
-      $stdout.puts  "Configuration file: #{config_file}"
+      raise "Configuration file: (INVALID) #{config_file}" if !config.is_a?(Hash)
+      $stdout.puts "Configuration file: #{config_file}"
+    rescue SystemCallError
+      # Errno:ENOENT = file not found
+      $stderr.puts "Configuration file: none"
+      config = {}
     rescue => err
-      unless File.exists?(config_file)
-        $stdout.puts  "Configuration file: none"
-      else
-        $stderr.puts "WARNING: Could not read configuration. " +
-                     "Using defaults (and options)."
-        $stderr.puts "\t" + err.to_s
-      end
+      $stderr.puts "           " +
+                   "WARNING: Error reading configuration. " +
+                   "Using defaults (and options)."
+      $stderr.puts "#{err}"
       config = {}
     end