diff options
Diffstat (limited to 'railties/lib/rails/vendor/thor-0.12.3/lib/thor/actions/file_manipulation.rb')
| -rw-r--r-- | railties/lib/rails/vendor/thor-0.12.3/lib/thor/actions/file_manipulation.rb | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/railties/lib/rails/vendor/thor-0.12.3/lib/thor/actions/file_manipulation.rb b/railties/lib/rails/vendor/thor-0.12.3/lib/thor/actions/file_manipulation.rb new file mode 100644 index 0000000000..44d6836c10 --- /dev/null +++ b/railties/lib/rails/vendor/thor-0.12.3/lib/thor/actions/file_manipulation.rb @@ -0,0 +1,223 @@ +require 'erb' +require 'open-uri' + +class Thor + module Actions + + # Copies the file from the relative source to the relative destination. If + # the destination is not given it's assumed to be equal to the source. + # + # ==== Parameters + # source<String>:: the relative path to the source root. + # destination<String>:: the relative path to the destination root. + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Examples + # + # copy_file "README", "doc/README" + # + # copy_file "doc/README" + # + def copy_file(source, destination=nil, config={}, &block) + destination ||= source + source = File.expand_path(find_in_source_paths(source.to_s)) + + create_file destination, nil, config do + content = File.binread(source) + content = block.call(content) if block + content + end + end + + # Gets the content at the given address and places it at the given relative + # destination. If a block is given instead of destination, the content of + # the url is yielded and used as location. + # + # ==== Parameters + # source<String>:: the address of the given content. + # destination<String>:: the relative path to the destination root. + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Examples + # + # get "http://gist.github.com/103208", "doc/README" + # + # get "http://gist.github.com/103208" do |content| + # content.split("\n").first + # end + # + def get(source, destination=nil, config={}, &block) + source = File.expand_path(find_in_source_paths(source.to_s)) unless source =~ /^http\:\/\// + render = File.binread(source) + + destination ||= if block_given? + block.arity == 1 ? block.call(render) : block.call + else + File.basename(source) + end + + create_file destination, render, config + end + + # Gets an ERB template at the relative source, executes it and makes a copy + # at the relative destination. If the destination is not given it's assumed + # to be equal to the source removing .tt from the filename. + # + # ==== Parameters + # source<String>:: the relative path to the source root. + # destination<String>:: the relative path to the destination root. + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Examples + # + # template "README", "doc/README" + # + # template "doc/README" + # + def template(source, destination=nil, config={}, &block) + destination ||= source + source = File.expand_path(find_in_source_paths(source.to_s)) + context = instance_eval('binding') + + create_file destination, nil, config do + content = ERB.new(::File.binread(source), nil, '-').result(context) + content = block.call(content) if block + content + end + end + + # Changes the mode of the given file or directory. + # + # ==== Parameters + # mode<Integer>:: the file mode + # path<String>:: the name of the file to change mode + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Example + # + # chmod "script/*", 0755 + # + def chmod(path, mode, config={}) + return unless behavior == :invoke + path = File.expand_path(path, destination_root) + say_status :chmod, relative_to_original_destination_root(path), config.fetch(:verbose, true) + FileUtils.chmod_R(mode, path) unless options[:pretend] + end + + # Prepend text to a file. Since it depends on inject_into_file, it's reversible. + # + # ==== Parameters + # path<String>:: path of the file to be changed + # data<String>:: the data to prepend to the file, can be also given as a block. + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Example + # + # prepend_file 'config/environments/test.rb', 'config.gem "rspec"' + # + # prepend_file 'config/environments/test.rb' do + # 'config.gem "rspec"' + # end + # + def prepend_file(path, *args, &block) + config = args.last.is_a?(Hash) ? args.pop : {} + config.merge!(:after => /\A/) + inject_into_file(path, *(args << config), &block) + end + + # Append text to a file. Since it depends on inject_into_file, it's reversible. + # + # ==== Parameters + # path<String>:: path of the file to be changed + # data<String>:: the data to append to the file, can be also given as a block. + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Example + # + # append_file 'config/environments/test.rb', 'config.gem "rspec"' + # + # append_file 'config/environments/test.rb' do + # 'config.gem "rspec"' + # end + # + def append_file(path, *args, &block) + config = args.last.is_a?(Hash) ? args.pop : {} + config.merge!(:before => /\z/) + inject_into_file(path, *(args << config), &block) + end + + # Injects text right after the class definition. Since it depends on + # inject_into_file, it's reversible. + # + # ==== Parameters + # path<String>:: path of the file to be changed + # klass<String|Class>:: the class to be manipulated + # data<String>:: the data to append to the class, can be also given as a block. + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Examples + # + # inject_into_class "app/controllers/application_controller.rb", " filter_parameter :password\n" + # + # inject_into_class "app/controllers/application_controller.rb", ApplicationController do + # " filter_parameter :password\n" + # end + # + def inject_into_class(path, klass, *args, &block) + config = args.last.is_a?(Hash) ? args.pop : {} + config.merge!(:after => /class #{klass}\n|class #{klass} .*\n/) + inject_into_file(path, *(args << config), &block) + end + + # Run a regular expression replacement on a file. + # + # ==== Parameters + # path<String>:: path of the file to be changed + # flag<Regexp|String>:: the regexp or string to be replaced + # replacement<String>:: the replacement, can be also given as a block + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Example + # + # gsub_file 'app/controllers/application_controller.rb', /#\s*(filter_parameter_logging :password)/, '\1' + # + # gsub_file 'README', /rake/, :green do |match| + # match << " no more. Use thor!" + # end + # + def gsub_file(path, flag, *args, &block) + return unless behavior == :invoke + config = args.last.is_a?(Hash) ? args.pop : {} + + path = File.expand_path(path, destination_root) + say_status :gsub, relative_to_original_destination_root(path), config.fetch(:verbose, true) + + unless options[:pretend] + content = File.binread(path) + content.gsub!(flag, *args, &block) + File.open(path, 'wb') { |file| file.write(content) } + end + end + + # Removes a file at the given location. + # + # ==== Parameters + # path<String>:: path of the file to be changed + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Example + # + # remove_file 'README' + # remove_file 'app/controllers/application_controller.rb' + # + def remove_file(path, config={}) + return unless behavior == :invoke + path = File.expand_path(path, destination_root) + + say_status :remove, relative_to_original_destination_root(path), config.fetch(:verbose, true) + ::FileUtils.rm_rf(path) if !options[:pretend] && File.exists?(path) + end + alias :remove_dir :remove_file + + end +end |