Class: InstanceGenerator

Inherits:
Rails::Generator::Base
  • Object
show all
Defined in:
lib/generators/instance/instance_generator.rb

Constant Summary collapse

DEFAULT_SHEBANG = 
File.join(Config::CONFIG['bindir'],
Config::CONFIG['ruby_install_name'])
DATABASES = 
%w( mysql )
MYSQL_SOCKET_LOCATIONS = 
[
  "/tmp/mysql.sock",                        # default
  "/var/run/mysqld/mysqld.sock",            # debian/gentoo
  "/var/tmp/mysql.sock",                    # freebsd
  "/var/lib/mysql/mysql.sock",              # fedora
  "/opt/local/lib/mysql/mysql.sock",        # fedora
  "/opt/local/var/run/mysqld/mysqld.sock",  # mac + darwinports + mysql
  "/opt/local/var/run/mysql4/mysqld.sock",  # mac + darwinports + mysql4
  "/opt/local/var/run/mysql5/mysqld.sock"   # mac + darwinports + mysql5
]

Instance Method Summary collapse

Constructor Details

#initialize(runtime_args, runtime_options = {}) ⇒ InstanceGenerator

Returns a new instance of InstanceGenerator.



22
23
24
25
26
27
 
# File 'lib/generators/instance/instance_generator.rb', line 22

def initialize(runtime_args, runtime_options = {})
  super
  usage if args.empty?
  usage("Databases supported for preconfiguration are: #{DATABASES.join(", ")}") if (options[:db] && !DATABASES.include?(options[:db]))
  @destination_root = args.shift
end

Instance Method Details

#manifest ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/generators/instance/instance_generator.rb', line 29

def manifest
  # The absolute location of the BriskBills files
  root = File.expand_path BRISKBILLS_ROOT
  
  # Use /usr/bin/env if no special shebang was specified
  script_options     = { :chmod => 0755, :shebang => options[:shebang] == DEFAULT_SHEBANG ? nil : options[:shebang] }
  dispatcher_options = { :chmod => 0755, :shebang => options[:shebang] }
  
  record do |m|
    # Root directory
    m.directory ""
    
    # Standard files and directories
    base_dirs = %w(config config/environments db log script public vendor/plugins)
    text_files = %w(CHANGELOG COPYING COPYING.LESSER INSTALL README)
    environments = Dir["#{root}/config/environments/*.rb"]
    scripts = Dir["#{root}/script/**/*"].reject { |f| f =~ /(destroy|generate|plugin)$/ }
    public_files = ["public/.htaccess"] + Dir["#{root}/public/**/*"]
    
    files = base_dirs + text_files + environments + scripts + public_files
    files.map! { |f| f = $1 if f =~ %r{^#{root}/(.+)$}; f }
    files.sort!
    
    files.each do |file|
      case
      when File.directory?("#{root}/#{file}")
        m.directory file
      when file =~ %r{^script/}
        m.file brisk_bills_root(file), file, script_options
      when file =~ %r{^public/dispatch}
        m.file brisk_bills_root(file), file, dispatcher_options
      else
        m.file brisk_bills_root(file), file
      end
    end
    
    # script/generate
    m.file "instance_generate", "script/generate", script_options
    
    # database.yml and .htaccess
    m.template "databases/#{options[:db]}.yml", "config/database.yml", :assigns => {
      :app_name => File.basename(File.expand_path(@destination_root)),
      :socket   => options[:db] == "mysql" ? mysql_socket_location : nil
    }

    # Instance Rakefile
    m.file "instance_rakefile", "Rakefile"

    # Instance Configurations
    m.file "instance_routes.rb", "config/routes.rb"
    m.template "instance_environment.rb", "config/environment.rb", :assigns => {
      :brisk_bills_environment => File.join(File.dirname(__FILE__), 'templates', brisk_bills_root("config/environment.rb")),
      :app_name => File.basename(File.expand_path(@destination_root))
    }
    m.template "instance_boot.rb", "config/boot.rb"
    
    # Install Readme
    m.readme brisk_bills_root("INSTALL")
  end
end