# File lib/roll/environment.rb, line 200
200:       def initialize(name=nil)
201:         @name = name || Environment.current
202:         reload
203:       end

     # File lib/roll/environment.rb, line 245
245:       def append(path, depth=3)
246:         path  = File.expand_path(path)
247:         depth = (depth || 3).to_i
248:         @table = @table.reject{ |(p, d)| path == p }
249:         @table.push([path, depth])
250:       end

     # File lib/roll/environment.rb, line 253
253:       def delete(path)
254:         @table.reject!{ |p,d| path == p }
255:       end

     # File lib/roll/environment.rb, line 235
235:       def each(&block)
236:         @table.each(&block)
237:       end

     # File lib/roll/environment.rb, line 211
211:       def file
212:         @file ||= ::Config.find_config('roll', name, 'lookup').first
213:       end

     # File lib/roll/environment.rb, line 296
296:       def find_projects(dir, depth=3)
297:         depth = Integer(depth || 3)
298:         depth = (0...depth).map{ |i| (["*"] * i).join('/') }.join(',')
299:         glob = File.join(dir, "{#{depth}}", "{.meta,meta}")
300:         meta_locations = Dir[glob]
301:         meta_locations.map{ |d| d.chomp('/meta').chomp('/.meta') }
302:       end

     # File lib/roll/environment.rb, line 272
272:       def index
273:         set = Hash.new{ |h,k| h[k] = [] }
274:         locate.each do |path|
275:           name = load_name(path)
276:           #vers = load_version(path)
277:           if name #&& vers
278:             set[name] << path
279:           end
280:         end
281:         set
282:       end

     # File lib/roll/environment.rb, line 305
305:       def load_name(path)
306:         file = Dir[File.join(path, '{,.}meta', 'name')].first
307:         if file
308:           File.read(file).strip  # TODO: handle YAML
309:         end
310:       end

     # File lib/roll/environment.rb, line 285
285:       def locate
286:         locs = []
287:         each do |dir, depth|
288:           locs << find_projects(dir, depth)
289:         end
290:         locs.flatten
291:       end

     # File lib/roll/environment.rb, line 206
206:       def name
207:         @name
208:       end

     # File lib/roll/environment.rb, line 216
216:       def reload
217:         t = []
218:         if file && File.exist?(file)
219:           lines = File.readlines(file)
220:           lines.each do |line|
221:             line = line.strip
222:             path, depth = *line.split(/\s+/)
223:             next if line =~ /^\s*$/  # blank
224:             next if line =~ /^\#/    # comment
225:             dir, depth = *line.split(/\s+/)
226:             t << [path, (depth || 3).to_i]
227:           end
228:         else
229:           t = []
230:         end
231:         @table = t
232:       end

     # File lib/roll/environment.rb, line 258
258:       def save
259:         file = File.join(::Config::CONFIG_HOME, 'roll', name, 'lookup')
260:         out = @table.map do |(path, depth)|
261:           "#{path}   #{depth}"
262:         end
263:         dir = File.dirname(file)
264:         FileUtils.mkdir_p(dir) unless File.exist?(dir)
265:         File.open(file, 'w') do |f|
266:           f <<  out.join("\n")
267:         end
268:         @file = file
269:       end

     # File lib/roll/environment.rb, line 240
240:       def size
241:         @table.size
242:       end