# File lib/rake/packagetask.rb, line 99
 99:     def define
100:       fail "Version required (or :noversion)" if @version.nil?
101:       @version = nil if :noversion == @version
102: 
103:       desc "Build all the packages"
104:       task :package
105:       
106:       desc "Force a rebuild of the package files"
107:       task :repackage => [:clobber_package, :package]
108:       
109:       desc "Remove package products" 
110:       task :clobber_package do
111:         rm_r package_dir rescue nil
112:       end
113: 
114:       task :clobber => [:clobber_package]
115: 
116:       [
117:         [need_tar, tgz_file, "z"],
118:         [need_tar_gz, tar_gz_file, "z"],
119:         [need_tar_bz2, tar_bz2_file, "j"]
120:       ].each do |(need, file, flag)|
121:         if need
122:           task :package => ["#{package_dir}/#{file}"]
123:           file "#{package_dir}/#{file}" => [package_dir_path] + package_files do
124:             chdir(package_dir) do
125:               sh %{env}
126:               sh %{#{@tar_command} #{flag}cvf #{file} #{package_name}}
127:             end
128:           end
129:         end
130:       end
131:       
132:       if need_zip
133:         task :package => ["#{package_dir}/#{zip_file}"]
134:         file "#{package_dir}/#{zip_file}" => [package_dir_path] + package_files do
135:           chdir(package_dir) do
136:             sh %{#{@zip_command} -r #{zip_file} #{package_name}}
137:           end
138:         end
139:       end
140: 
141:       directory package_dir
142: 
143:       file package_dir_path => @package_files do
144:         mkdir_p package_dir rescue nil
145:         @package_files.each do |fn|
146:           f = File.join(package_dir_path, fn)
147:           fdir = File.dirname(f)
148:           mkdir_p(fdir) if !File.exist?(fdir)
149:           if File.directory?(fn)
150:             mkdir_p(f)
151:           else
152:             rm_f f
153:             safe_ln(fn, f)
154:           end
155:         end
156:       end
157:       self
158:     end