Make rubocop happy and mee too. :-)

config/rubocop-enabled.yml

@@ -100,8 +100,8 @@ SpaceAfterControlKeyword:
 SpaceAfterNot:
   Enabled: true
 
-SpaceAroundBlockBraces:
-  Enabled: true
+#SpaceAroundBlockBraces:
+#  Enabled: true
 
 SpaceAroundEqualsInParameterDefault:
   Enabled: true

features/step_definitions.rb

@@ -1,5 +1,5 @@
 # encoding: utf-8
-Then /then environment contains the following variables/ do
+Then(/then environment contains the following variables/) do
   $stderr.printf("%20s | %-20s\n", 'key', 'value')
   $stderr.printf("%20s+%-20s\n", '-' * 21 , '-' * 21)
 

lib/filegen/data_sources/environment.rb

@@ -1,9 +1,9 @@
 # encoding: utf-8
 module Filegen
+  # Data Sources
   module DataSources
     # Data source which makes environment variables available
     class Environment
-
       private
 
       attr_reader :source

lib/filegen/data_sources/yaml.rb

@@ -1,9 +1,9 @@
 # encoding: utf-8
 module Filegen
+  # Data Sources
   module DataSources
     # Data source which makes yaml files available
     class Yaml
-
       private
 
       attr_reader :source

lib/filegen/options.rb

@@ -102,7 +102,7 @@ def empty?
     end
 
     def exists?
-      File.exists?(params.template)
+      File.exist?(params.template)
     end
 
     def erb_template?

lib/filegen/rubygen.rb

@@ -1,7 +1,15 @@
 # encoding: utf-8
 module Filegen
+  # Generator for ruby code
   class Rubygen
-
+    # Generate text
+    #
+    # @param [String] source
+    #   The template used
+    # @param [Hash] data
+    #   The data used within template evaluation
+    # @return [String]
+    #   The evaluated template
     def run(source, data)
       result = StringIO.new
       source = StringIO.new(source)

lib/filegen/ui.rb

@@ -9,7 +9,7 @@ class << self
 
       def formated_logger
         logger.formatter = proc { |severity, datetime, _, msg|
-          sprintf("%s %s: %s\n", datetime, severity, msg)
+          format("%s %s: %s\n", datetime, severity, msg)
         }
 
         logger