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Module: Rails::Generators::Migration::ClassMethods

Do not use. This module is for internal use only.
Relationships & Source Files
Defined in: railties/lib/rails/generators/migration.rb

Instance Method Summary

Instance Method Details

#current_migration_number(dirname)

[ GitHub ] 

  


# File 'railties/lib/rails/generators/migration.rb', line 24



def current_migration_number(dirname)
  migration_lookup_at(dirname).collect do |file|
    File.basename(file).split("_").first.to_i
  end.max.to_i
end


  








  

    #migration_exists?(dirname, file_name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'railties/lib/rails/generators/migration.rb', line 20



def migration_exists?(dirname, file_name)
  migration_lookup_at(dirname).grep(/\d+_#{file_name}.rb$/).first
end


  








  

    #migration_lookup_at(dirname)  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/generators/migration.rb', line 16



def migration_lookup_at(dirname)
  Dir.glob("#{dirname}/[0-9]*_*.rb")
end


  








  

    #next_migration_number(dirname)  
  



  

    
  





  
Raises:


    
  
  • 
    (NotImplementedError)
  
    • 





  [ GitHub ]


  

  


# File 'railties/lib/rails/generators/migration.rb', line 30



def next_migration_number(dirname)
  raise NotImplementedError
end