1# Copyright (c) 2003, 2004 Jim Weirich, 2009 Eric Hodel 2# 3# Permission is hereby granted, free of charge, to any person obtaining 4# a copy of this software and associated documentation files (the 5# "Software"), to deal in the Software without restriction, including 6# without limitation the rights to use, copy, modify, merge, publish, 7# distribute, sublicense, and/or sell copies of the Software, and to 8# permit persons to whom the Software is furnished to do so, subject to 9# the following conditions: 10# 11# The above copyright notice and this permission notice shall be 12# included in all copies or substantial portions of the Software. 13# 14# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 15# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 17# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 18# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 19# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 20# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22require 'rubygems' 23require 'rubygems/package' 24begin 25 gem 'rake' 26rescue Gem::LoadError 27end 28 29require 'rake/packagetask' 30 31## 32# Create a package based upon a Gem::Specification. Gem packages, as well as 33# zip files and tar/gzipped packages can be produced by this task. 34# 35# In addition to the Rake targets generated by Rake::PackageTask, a 36# Gem::PackageTask will also generate the following tasks: 37# 38# [<b>"<em>package_dir</em>/<em>name</em>-<em>version</em>.gem"</b>] 39# Create a RubyGems package with the given name and version. 40# 41# Example using a Gem::Specification: 42# 43# require 'rubygems' 44# require 'rubygems/package_task' 45# 46# spec = Gem::Specification.new do |s| 47# s.summary = "Ruby based make-like utility." 48# s.name = 'rake' 49# s.version = PKG_VERSION 50# s.requirements << 'none' 51# s.files = PKG_FILES 52# s.description = <<-EOF 53# Rake is a Make-like program implemented in Ruby. Tasks 54# and dependencies are specified in standard Ruby syntax. 55# EOF 56# end 57# 58# Gem::PackageTask.new(spec) do |pkg| 59# pkg.need_zip = true 60# pkg.need_tar = true 61# end 62 63class Gem::PackageTask < Rake::PackageTask 64 65 ## 66 # Ruby Gem::Specification containing the metadata for this package. The 67 # name, version and package_files are automatically determined from the 68 # gemspec and don't need to be explicitly provided. 69 70 attr_accessor :gem_spec 71 72 ## 73 # Create a Gem Package task library. Automatically define the gem if a 74 # block is given. If no block is supplied, then #define needs to be called 75 # to define the task. 76 77 def initialize(gem_spec) 78 init gem_spec 79 yield self if block_given? 80 define if block_given? 81 end 82 83 ## 84 # Initialization tasks without the "yield self" or define operations. 85 86 def init(gem) 87 super gem.full_name, :noversion 88 @gem_spec = gem 89 @package_files += gem_spec.files if gem_spec.files 90 end 91 92 ## 93 # Create the Rake tasks and actions specified by this Gem::PackageTask. 94 # (+define+ is automatically called if a block is given to +new+). 95 96 def define 97 super 98 99 gem_file = File.basename gem_spec.cache_file 100 gem_path = File.join package_dir, gem_file 101 gem_dir = File.join package_dir, gem_spec.full_name 102 103 task :package => [:gem] 104 105 directory package_dir 106 directory gem_dir 107 108 desc "Build the gem file #{gem_file}" 109 task :gem => [gem_path] 110 111 trace = Rake.application.options.trace 112 Gem.configuration.verbose = trace 113 114 file gem_path => [package_dir, gem_dir] + @gem_spec.files do 115 chdir(gem_dir) do 116 when_writing "Creating #{gem_spec.file_name}" do 117 Gem::Package.build gem_spec 118 119 verbose trace do 120 mv gem_file, '..' 121 end 122 end 123 end 124 end 125 end 126 127end 128 129