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 218
218:     def load_gemspec(file)
219:       path = Pathname.new(file)
220:       # Eval the gemspec from its parent directory
221:       Dir.chdir(path.dirname) do
222:         begin
223:           Gem::Specification.from_yaml(path.basename)
224:           # Raises ArgumentError if the file is not valid YAML
225:         rescue ArgumentError, SyntaxError, Gem::EndOfYAMLException, Gem::Exception
226:           begin
227:             eval(File.read(path.basename), TOPLEVEL_BINDING, path.expand_path.to_s)
228:           rescue LoadError => e
229:             original_line = e.backtrace.find { |line| line.include?(path.to_s) }
230:             msg  = "There was a LoadError while evaluating #{path.basename}:\n  #{e.message}"
231:             msg << " from\n  #{original_line}" if original_line
232:             msg << "\n"
233: 
234:             if RUBY_VERSION >= "1.9.0"
235:               msg << "\nDoes it try to require a relative path? That doesn't work in Ruby 1.9."
236:             end
237: 
238:             raise GemspecError, msg
239:           end
240:         end
241:       end
242:     end

     # File lib/bundler.rb, line 202
202:     def mkdir_p(path)
203:       if requires_sudo?
204:         sudo "mkdir -p '#{path}'" unless File.exist?(path)
205:       else
206:         FileUtils.mkdir_p(path)
207:       end
208:     end

     # File lib/bundler.rb, line 214
214:     def read_file(file)
215:       File.open(file, "rb") { |file| file.read }
216:     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:       path = bundle_path
196:       path = path.parent until path.exist?
197:       sudo_present = !`which sudo 2>#{NULL}`.empty?
198: 
199:       settings.allow_sudo? && !File.writable?(path) && sudo_present
200:     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 210
210:     def sudo(str)
211:       `sudo -p 'Enter your password to install the bundled RubyGems to your system: ' #{str}`
212:     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 246
246:     def configure_gem_home_and_path
247:       if settings[:disable_shared_gems]
248:         ENV['GEM_PATH'] = ''
249:         ENV['GEM_HOME'] = File.expand_path(bundle_path, root)
250:       elsif Gem.dir != bundle_path.to_s
251:         paths = [Gem.dir, Gem.path].flatten.compact.uniq.reject{|p| p.empty? }
252:         ENV["GEM_PATH"] = paths.join(File::PATH_SEPARATOR)
253:         ENV["GEM_HOME"] = bundle_path.to_s
254:       end
255: 
256:       Gem.clear_paths
257:     end

     # File lib/bundler.rb, line 259
259:     def upgrade_lockfile
260:       lockfile = default_lockfile
261:       if lockfile.exist? && lockfile.read(3) == "---"
262:         Bundler.ui.warn "Detected Gemfile.lock generated by 0.9, deleting..."
263:         lockfile.rmtree
264:         # lock = YAML.load_file(lockfile)
265:         #
266:         # source_uris = lock["sources"].map{|s| s["Rubygems"]["uri"] }
267:         # sources = [Bundler::Source::Rubygems.new({"remotes" => source_uris})]
268:         #
269:         # deps = lock["dependencies"].map do |name, opts|
270:         #   version = opts.delete("version")
271:         #   Bundler::Dependency.new(name, version, opts)
272:         # end
273:         #
274:         # definition = Bundler::Definition.new(nil, deps, sources, {})
275:         #
276:         # File.open(lockfile, 'w') do |f|
277:         #   f.write definition.to_lock
278:         # end
279:       end
280:     end