Bundler

     # File lib/bundler.rb, line 166
166:     def app_cache
167:       root.join("vendor/cache")
168:     end

     # File lib/bundler.rb, line 160
160:     def app_config_path
161:       ENV['BUNDLE_APP_CONFIG'] ?
162:         Pathname.new(ENV['BUNDLE_APP_CONFIG']).expand_path(root) :
163:         root.join('.bundle')
164:     end

    # File lib/bundler.rb, line 86
86:     def bin_path
87:       @bin_path ||= begin
88:         path = settings[:bin] || "bin"
89:         path = Pathname.new(path).expand_path(root)
90:         FileUtils.mkdir_p(path)
91:         Pathname.new(path).expand_path
92:       end
93:     end

    # File lib/bundler.rb, line 81
81:     def bundle_path
82:       # STDERR.puts settings.path
83:       @bundle_path ||= Pathname.new(settings.path).expand_path(root)
84:     end

     # File lib/bundler.rb, line 152
152:     def cache
153:       bundle_path.join("cache/bundler")
154:     end

    # File lib/bundler.rb, line 70
70:     def configure
71:       @configured ||= begin
72:         configure_gem_home_and_path
73:         true
74:       end
75:     end

     # File lib/bundler.rb, line 186
186:     def default_gemfile
187:       SharedHelpers.default_gemfile
188:     end

     # File lib/bundler.rb, line 190
190:     def default_lockfile
191:       SharedHelpers.default_lockfile
192:     end

     # File lib/bundler.rb, line 123
123:     def definition(unlock = nil)
124:       @definition = nil if unlock
125:       @definition ||= begin
126:         configure
127:         upgrade_lockfile
128:         Definition.build(default_gemfile, default_lockfile, unlock)
129:       end
130:     end

     # File lib/bundler.rb, line 119
119:     def environment
120:       Bundler::Environment.new(root, definition)
121:     end

     # File lib/bundler.rb, line 140
140:     def home
141:       bundle_path.join("bundler")
142:     end

     # File lib/bundler.rb, line 144
144:     def install_path
145:       home.join("gems")
146:     end

     # File lib/bundler.rb, line 115
115:     def load
116:       @load ||= Runtime.new(root, definition)
117:     end

     # File lib/bundler.rb, line 221
221:     def load_gemspec(file)
222:       path = Pathname.new(file)
223:       # Eval the gemspec from its parent directory
224:       Dir.chdir(path.dirname) do
225:         begin
226:           Gem::Specification.from_yaml(path.basename)
227:           # Raises ArgumentError if the file is not valid YAML
228:         rescue ArgumentError, SyntaxError, Gem::EndOfYAMLException, Gem::Exception
229:           begin
230:             eval(File.read(path.basename), TOPLEVEL_BINDING, path.expand_path.to_s)
231:           rescue LoadError => e
232:             original_line = e.backtrace.find { |line| line.include?(path.to_s) }
233:             msg  = "There was a LoadError while evaluating #{path.basename}:\n  #{e.message}"
234:             msg << " from\n  #{original_line}" if original_line
235:             msg << "\n"
236: 
237:             if RUBY_VERSION >= "1.9.0"
238:               msg << "\nDoes it try to require a relative path? That doesn't work in Ruby 1.9."
239:             end
240: 
241:             raise GemspecError, msg
242:           end
243:         end
244:       end
245:     end

     # File lib/bundler.rb, line 205
205:     def mkdir_p(path)
206:       if requires_sudo?
207:         sudo "mkdir -p '#{path}'" unless File.exist?(path)
208:       else
209:         FileUtils.mkdir_p(path)
210:       end
211:     end

     # File lib/bundler.rb, line 217
217:     def read_file(file)
218:       File.open(file, "rb") { |f| f.read }
219:     end

     # File lib/bundler.rb, line 111
111:     def require(*groups)
112:       setup(*groups).require(*groups)
113:     end

     # File lib/bundler.rb, line 194
194:     def requires_sudo?
195:       return @requires_sudo if @checked_for_sudo
196: 
197:       path = bundle_path
198:       path = path.parent until path.exist?
199:       sudo_present = !(`which sudo` rescue '').empty?
200: 
201:       @checked_for_sudo = true
202:       @requires_sudo = settings.allow_sudo? && !File.writable?(path) && sudo_present
203:     end

     # File lib/bundler.rb, line 156
156:     def root
157:       default_gemfile.dirname.expand_path
158:     end

     # File lib/bundler.rb, line 132
132:     def ruby_scope
133:       "#{Gem.ruby_engine}/#{Gem::ConfigMap[:ruby_version]}"
134:     end

     # File lib/bundler.rb, line 174
174:     def settings
175:       @settings ||= Settings.new(app_config_path)
176:     end

     # File lib/bundler.rb, line 95
 95:     def setup(*groups)
 96:       return @setup if defined?(@setup) && @setup
 97: 
 98:       if groups.empty?
 99:         # Load all groups, but only once
100:         @setup = load.setup
101:       else
102:         # Figure out which groups haven't been loaded yet
103:         unloaded = groups - (@completed_groups || [])
104:         # Record groups that are now loaded
105:         @completed_groups = groups | (@completed_groups || [])
106:         # Load any groups that are not yet loaded
107:         unloaded.any? ? load.setup(*unloaded) : load
108:       end
109:     end

     # File lib/bundler.rb, line 148
148:     def specs_path
149:       bundle_path.join("specifications")
150:     end

     # File lib/bundler.rb, line 213
213:     def sudo(str)
214:       `sudo -p 'Enter your password to install the bundled RubyGems to your system: ' #{str}`
215:     end

     # File lib/bundler.rb, line 170
170:     def tmp
171:       user_bundle_path.join("tmp", Process.pid.to_s)
172:     end

    # File lib/bundler.rb, line 77
77:     def ui
78:       @ui ||= UI.new
79:     end

     # File lib/bundler.rb, line 136
136:     def user_bundle_path
137:       Pathname.new(Gem.user_home).join(".bundler")
138:     end

     # File lib/bundler.rb, line 178
178:     def with_clean_env
179:       bundled_env = ENV.to_hash
180:       ENV.replace(ORIGINAL_ENV)
181:       yield
182:     ensure
183:       ENV.replace(bundled_env.to_hash)
184:     end

     # File lib/bundler.rb, line 249
249:     def configure_gem_home_and_path
250:       if settings[:disable_shared_gems]
251:         ENV['GEM_PATH'] = ''
252:         ENV['GEM_HOME'] = File.expand_path(bundle_path, root)
253:       elsif Gem.dir != bundle_path.to_s
254:         paths = [Gem.dir, Gem.path].flatten.compact.uniq.reject{|p| p.empty? }
255:         ENV["GEM_PATH"] = paths.join(File::PATH_SEPARATOR)
256:         ENV["GEM_HOME"] = bundle_path.to_s
257:       end
258: 
259:       FileUtils.mkdir_p bundle_path.to_s
260:       Gem.clear_paths
261:     end

     # File lib/bundler.rb, line 263
263:     def upgrade_lockfile
264:       lockfile = default_lockfile
265:       if lockfile.exist? && lockfile.read(3) == "---"
266:         Bundler.ui.warn "Detected Gemfile.lock generated by 0.9, deleting..."
267:         lockfile.rmtree
268:       end
269:     end