aboutsummaryrefslogtreecommitdiffstats
path: root/railties/lib/rails/generators/app_base.rb
blob: 520d2c6a3a25b338846b8ecc9dd797ab338b2718 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
require 'digest/md5'
require 'active_support/secure_random'
require 'active_support/core_ext/string/strip'
require 'rails/version' unless defined?(Rails::VERSION)
require 'rbconfig'
require 'open-uri'
require 'uri'

module Rails
  module Generators
    class AppBase < Base
      DATABASES = %w( mysql oracle postgresql sqlite3 frontbase ibm_db )
      JDBC_DATABASES = %w( jdbcmysql jdbcsqlite3 jdbcpostgresql )
      DATABASES.concat(JDBC_DATABASES)
      JAVASCRIPTS = %w( jquery prototype )

      attr_accessor :rails_template
      add_shebang_option!

      argument :app_path,               :type => :string

      def self.add_shared_options_for(name)
        class_option :builder,            :type => :string, :aliases => "-b",
                                          :desc => "Path to a #{name} builder (can be a filesystem path or URL)"

        class_option :template,           :type => :string, :aliases => "-m",
                                          :desc => "Path to an #{name} template (can be a filesystem path or URL)"

        class_option :skip_gemfile,       :type => :boolean, :default => false,
                                          :desc => "Don't create a Gemfile"

        class_option :skip_git,           :type => :boolean, :aliases => "-G", :default => false,
                                          :desc => "Skip Git ignores and keeps"

        class_option :skip_active_record, :type => :boolean, :aliases => "-O", :default => false,
                                          :desc => "Skip Active Record files"

        class_option :database,           :type => :string, :aliases => "-d", :default => "sqlite3",
                                          :desc => "Preconfigure for selected database (options: #{DATABASES.join('/')})"

        class_option :javascript,         :type => :string, :aliases => "-j", :default => "jquery",
                                          :desc => "Preconfigure for selected JavaScript library (options: #{JAVASCRIPTS.join('/')})"

        class_option :skip_javascript,    :type => :boolean, :aliases => "-J", :default => false,
                                          :desc => "Skip JavaScript files"

        class_option :dev,                :type => :boolean, :default => false,
                                          :desc => "Setup the #{name} with Gemfile pointing to your Rails checkout"

        class_option :edge,               :type => :boolean, :default => false,
                                          :desc => "Setup the #{name} with Gemfile pointing to Rails repository"

        class_option :skip_test_unit,     :type => :boolean, :aliases => "-T", :default => false,
                                          :desc => "Skip Test::Unit files"

        class_option :help,               :type => :boolean, :aliases => "-h", :group => :rails,
                                          :desc => "Show this help message and quit"

        class_option :old_style_hash,     :type => :boolean, :default => false,
                                          :desc => "Force using old style hash (:foo => 'bar') on Ruby >= 1.9"
      end

      def initialize(*args)
        @original_wd = Dir.pwd

        super
      end

    protected

      def builder
        @builder ||= begin
          if path = options[:builder]
            if URI(path).is_a?(URI::HTTP)
              contents = open(path, "Accept" => "application/x-thor-template") {|io| io.read }
            else
              contents = open(File.expand_path(path, @original_wd)) {|io| io.read }
            end

            prok = eval("proc { #{contents} }", TOPLEVEL_BINDING, path, 1)
            instance_eval(&prok)
          end

          builder_class = get_builder_class
          builder_class.send(:include, ActionMethods)
          builder_class.new(self)
        end
      end

      def build(meth, *args)
        builder.send(meth, *args) if builder.respond_to?(meth)
      end

      def create_root
        self.destination_root = File.expand_path(app_path, destination_root)
        valid_const?

        empty_directory '.'
        set_default_accessors!
        FileUtils.cd(destination_root) unless options[:pretend]
      end

      def apply_rails_template
        apply rails_template if rails_template
      rescue Thor::Error, LoadError, Errno::ENOENT => e
        raise Error, "The template [#{rails_template}] could not be loaded. Error: #{e}"
      end

      def set_default_accessors!
        self.rails_template = case options[:template]
          when /^https?:\/\//
            options[:template]
          when String
            File.expand_path(options[:template], Dir.pwd)
          else
            options[:template]
        end
      end

      def database_gemfile_entry
        entry = options[:skip_active_record] ? "" : "gem '#{gem_for_database}'"
        if options[:database] == 'mysql'
          if options.dev? || options.edge?
            entry += ", :git => 'git://github.com/brianmario/mysql2.git'"
          else
            entry += "\n# gem 'mysql2', :git => 'git://github.com/brianmario/mysql2.git'"
          end
        end
        entry + "\n"
      end

      def rails_gemfile_entry
        if options.dev?
          <<-GEMFILE.strip_heredoc
            gem 'rails',     :path => '#{Rails::Generators::RAILS_DEV_PATH}'
            gem 'arel',      :git => 'git://github.com/rails/arel.git'
            gem 'rack',      :git => 'git://github.com/rack/rack.git'
            gem 'sprockets', :git => 'git://github.com/sstephenson/sprockets.git'
          GEMFILE
        elsif options.edge?
          <<-GEMFILE.strip_heredoc
            gem 'rails',     :git => 'git://github.com/rails/rails.git'
            gem 'arel',      :git => 'git://github.com/rails/arel.git'
            gem 'rack',      :git => 'git://github.com/rack/rack.git'
            gem 'sprockets', :git => 'git://github.com/sstephenson/sprockets.git'
          GEMFILE
        else
          <<-GEMFILE.strip_heredoc
            gem 'rails', '#{Rails::VERSION::STRING}'

            # Bundle edge Rails instead:
            # gem 'rails',     :git => 'git://github.com/rails/rails.git'
            # gem 'arel',      :git => 'git://github.com/rails/arel.git'
            # gem 'rack',      :git => 'git://github.com/rack/rack.git'
            # gem 'sprockets', :git => 'git://github.com/sstephenson/sprockets.git'
          GEMFILE
        end
      end

      def gem_for_database
        # %w( mysql oracle postgresql sqlite3 frontbase ibm_db jdbcmysql jdbcsqlite3 jdbcpostgresql )
        case options[:database]
        when "oracle"     then "ruby-oci8"
        when "postgresql" then "pg"
        when "frontbase"  then "ruby-frontbase"
        when "mysql"      then "mysql2"
        when "jdbcmysql"  then "activerecord-jdbcmysql-adapter"
        when "jdbcsqlite3"  then "activerecord-jdbcsqlite3-adapter"
        when "jdbcpostgresql"  then "activerecord-jdbcpostgresql-adapter"
        else options[:database]
        end
      end
      
      def gem_for_ruby_debugger
        if RUBY_VERSION < "1.9.2"
          "gem 'ruby-debug'"
        else
          "gem 'ruby-debug19', :require => 'ruby-debug'"
        end
      end
      
      def gem_for_turn
        unless RUBY_VERSION < "1.9.2"
          <<-GEMFILE.strip_heredoc
            group :test do
              # Pretty printed test output
              gem 'turn', :require => false
            end
          GEMFILE
        end
      end

      def bundle_if_dev_or_edge
        bundle_command = File.basename(Thor::Util.ruby_command).sub(/ruby/, 'bundle')
        run "#{bundle_command} install" if dev_or_edge?
      end

      def dev_or_edge?
        options.dev? || options.edge?
      end

      def empty_directory_with_gitkeep(destination, config = {})
        empty_directory(destination, config)
        git_keep(destination)
      end
      
      def git_keep(destination)
        create_file("#{destination}/.gitkeep") unless options[:skip_git]
      end

      # Returns Ruby 1.9 style key-value pair if current code is running on
      # Ruby 1.9.x. Returns the old-style (with hash rocket) otherwise.
      def key_value(key, value)
        if options[:old_style_hash] || RUBY_VERSION < '1.9'
          ":#{key} => #{value}"
        else
          "#{key}: #{value}"
        end
      end
    end
  end
end