vendor/rails/railties/lib/tasks/gems.rake

   1 desc "List the gems that this rails application depends on"
   2 task :gems => 'gems:base' do
   3   Rails.configuration.gems.each do |gem|
   4     print_gem_status(gem)
   5   end
   6   puts
   7   puts "I = Installed"
   8   puts "F = Frozen"
   9   puts "R = Framework (loaded before rails starts)"
  10 end
  11
  12 def print_gem_status(gem, indent=1)
  13   code = gem.loaded? ? (gem.frozen? ? (gem.framework_gem? ? "R" : "F") : "I") : " "
  14   puts "   "*(indent-1)+" - [#{code}] #{gem.name} #{gem.requirement.to_s}"
  15   gem.dependencies.each { |g| print_gem_status(g, indent+1)} if gem.loaded?
  16 end
  17
  18 namespace :gems do
  19   task :base do
  20     $rails_gem_installer = true
  21     Rake::Task[:environment].invoke
  22   end
  23
  24   desc "Build any native extensions for unpacked gems"
  25   task :build do
  26     $rails_gem_installer = true
  27     require 'rails/gem_builder'
  28     Dir[File.join(Rails::GemDependency.unpacked_path, '*')].each do |gem_dir|
  29       spec_file = File.join(gem_dir, '.specification')
  30       next unless File.exists?(spec_file)
  31       specification = YAML::load_file(spec_file)
  32       next unless ENV['GEM'].blank? || ENV['GEM'] == specification.name
  33       Rails::GemBuilder.new(specification, gem_dir).build_extensions
  34       puts "Built gem: '#{gem_dir}'"
  35     end
  36   end
  37
  38   desc "Installs all required gems for this application."
  39   task :install => :base do
  40     require 'rubygems'
  41     require 'rubygems/gem_runner'
  42     Rails.configuration.gems.each { |gem| gem.install unless gem.loaded? }
  43   end
  44
  45   desc "Unpacks the specified gem into vendor/gems."
  46   task :unpack => :base do
  47     require 'rubygems'
  48     require 'rubygems/gem_runner'
  49     Rails.configuration.gems.each do |gem|
  50       next unless !gem.frozen? && (ENV['GEM'].blank? || ENV['GEM'] == gem.name)
  51       gem.unpack_to(Rails::GemDependency.unpacked_path) if gem.loaded?
  52     end
  53   end
  54
  55   namespace :unpack do
  56     desc "Unpacks the specified gems and its dependencies into vendor/gems"
  57     task :dependencies => :unpack do
  58       require 'rubygems'
  59       require 'rubygems/gem_runner'
  60       Rails.configuration.gems.each do |gem|
  61         next unless ENV['GEM'].blank? || ENV['GEM'] == gem.name
  62         gem.dependencies.each do |dependency|
  63           next if dependency.frozen?
  64           dependency.unpack_to(Rails::GemDependency.unpacked_path)
  65         end
  66       end
  67     end
  68   end
  69
  70   desc "Regenerate gem specifications in correct format."
  71   task :refresh_specs => :base do
  72     require 'rubygems'
  73     require 'rubygems/gem_runner'
  74     Rails::VendorGemSourceIndex.silence_spec_warnings = true
  75     Rails.configuration.gems.each do |gem|
  76       next unless gem.frozen? && (ENV['GEM'].blank? || ENV['GEM'] == gem.name)
  77       gem.refresh_spec(Rails::GemDependency.unpacked_path) if gem.loaded?
  78     end
  79   end
  80 end