diff options
Diffstat (limited to 'railties/lib/rails/gem_dependency.rb')
-rw-r--r-- | railties/lib/rails/gem_dependency.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/railties/lib/rails/gem_dependency.rb b/railties/lib/rails/gem_dependency.rb index f9c37cb70a..8d6a748e4c 100644 --- a/railties/lib/rails/gem_dependency.rb +++ b/railties/lib/rails/gem_dependency.rb @@ -33,6 +33,10 @@ module Rails rescue Gem::LoadError puts $!.to_s end + + def gem_dir(base_directory) + File.join(base_directory, specification.full_name) + end def load return if @loaded || @load_paths_added == false @@ -54,12 +58,24 @@ module Rails def install Gem::GemRunner.new.run(install_command) end + + def specification + @spec ||= Gem.source_index.search(Gem::Dependency.new(@name, @requirement)).sort_by { |s| s.version }.last + end def unpack_to(directory) FileUtils.mkdir_p directory Dir.chdir directory do Gem::GemRunner.new.run(unpack_command) end + + # copy the gem's specification into GEMDIR/.specification so that + # we can access information about the gem on deployment systems + # without having the gem installed + spec_filename = File.join(gem_dir(directory), '.specification') + File.open(spec_filename, 'w') do |file| + file.puts specification.to_yaml + end end def install_command |