Rakefile in comable_backend-0.1.0 vs Rakefile in comable_backend-0.2.0

@@ -4,26 +4,24 @@
   puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
 end
 
 require 'rdoc/task'
 
-$LOAD_PATH.unshift File.expand_path('..', __FILE__)
-require 'tasks/release'
-
 RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title    = 'Comable'
   rdoc.options << '--line-numbers'
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
 
-if ENV['COMABLE_NESTED']
-  task default: ['app:spec', 'rubocop']
-else
-  APP_RAKEFILE = File.expand_path('../spec/dummy/Rakefile', __FILE__)
-  load 'rails/tasks/engine.rake'
+APP_RAKEFILE = File.expand_path('../spec/dummy/Rakefile', __FILE__)
+load 'rails/tasks/engine.rake'
 
+if File.exist?('comable.gemspec')
+  $LOAD_PATH.unshift File.expand_path('..', __FILE__)
+  require 'tasks/release'
+
   namespace :app do
     namespace :spec do
       desc 'Run the code examples'
       RSpec::Core::RakeTask.new(:all) do |t|
         FRAMEWORKS.each do |framework|
@@ -45,11 +43,11 @@
     task 'app:db:migrate' => 'migrate:all'
 
     namespace :migrate do
       task :all do
         FRAMEWORKS.each do |framework|
-          command = "cd #{framework} && test -d db && bundle exec rake db:migrate RAILS_ENV=#{Rails.env} COMABLE_NESTED=true"
+          command = "cd #{framework} && test -d db && bundle exec rake db:migrate RAILS_ENV=#{Rails.env}"
           puts command
           system command
         end
       end
     end
@@ -60,20 +58,22 @@
       task 'app:db:migrate' => 'reset:all'
 
       namespace :reset do
         task :all do
           FRAMEWORKS.each do |framework|
-            command = "cd #{framework} && test -d db && bundle exec rake db:migrate:reset RAILS_ENV=#{Rails.env} COMABLE_NESTED=true"
+            command = "cd #{framework} && test -d db && bundle exec rake db:migrate:reset RAILS_ENV=#{Rails.env}"
             puts command
             system command
           end
         end
       end
     end
   end
 
   task default: ['app:spec:all', 'rubocop']
 end
+
+task default: ['app:spec', 'rubocop']
 
 Bundler::GemHelper.install_tasks
 
 # from https://github.com/rspec/rspec-rails/issues/936
 task 'test:prepare'