diff options
Diffstat (limited to 'lib/bundler/vendor/thor/lib/thor/actions/empty_directory.rb')
| -rw-r--r-- | lib/bundler/vendor/thor/lib/thor/actions/empty_directory.rb | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/lib/bundler/vendor/thor/lib/thor/actions/empty_directory.rb b/lib/bundler/vendor/thor/lib/thor/actions/empty_directory.rb new file mode 100644 index 0000000000..284d92c19a --- /dev/null +++ b/lib/bundler/vendor/thor/lib/thor/actions/empty_directory.rb @@ -0,0 +1,143 @@ +class Bundler::Thor + module Actions + # Creates an empty directory. + # + # ==== Parameters + # destination<String>:: the relative path to the destination root. + # config<Hash>:: give :verbose => false to not log the status. + # + # ==== Examples + # + # empty_directory "doc" + # + def empty_directory(destination, config = {}) + action EmptyDirectory.new(self, destination, config) + end + + # Class which holds create directory logic. This is the base class for + # other actions like create_file and directory. + # + # This implementation is based in Templater actions, created by Jonas Nicklas + # and Michael S. Klishin under MIT LICENSE. + # + class EmptyDirectory #:nodoc: + attr_reader :base, :destination, :given_destination, :relative_destination, :config + + # Initializes given the source and destination. + # + # ==== Parameters + # base<Bundler::Thor::Base>:: A Bundler::Thor::Base instance + # source<String>:: Relative path to the source of this file + # destination<String>:: Relative path to the destination of this file + # config<Hash>:: give :verbose => false to not log the status. + # + def initialize(base, destination, config = {}) + @base = base + @config = {:verbose => true}.merge(config) + self.destination = destination + end + + # Checks if the destination file already exists. + # + # ==== Returns + # Boolean:: true if the file exists, false otherwise. + # + def exists? + ::File.exist?(destination) + end + + def invoke! + invoke_with_conflict_check do + require "fileutils" + ::FileUtils.mkdir_p(destination) + end + end + + def revoke! + say_status :remove, :red + require "fileutils" + ::FileUtils.rm_rf(destination) if !pretend? && exists? + given_destination + end + + protected + + # Shortcut for pretend. + # + def pretend? + base.options[:pretend] + end + + # Sets the absolute destination value from a relative destination value. + # It also stores the given and relative destination. Let's suppose our + # script is being executed on "dest", it sets the destination root to + # "dest". The destination, given_destination and relative_destination + # are related in the following way: + # + # inside "bar" do + # empty_directory "baz" + # end + # + # destination #=> dest/bar/baz + # relative_destination #=> bar/baz + # given_destination #=> baz + # + def destination=(destination) + return unless destination + @given_destination = convert_encoded_instructions(destination.to_s) + @destination = ::File.expand_path(@given_destination, base.destination_root) + @relative_destination = base.relative_to_original_destination_root(@destination) + end + + # Filenames in the encoded form are converted. If you have a file: + # + # %file_name%.rb + # + # It calls #file_name from the base and replaces %-string with the + # return value (should be String) of #file_name: + # + # user.rb + # + # The method referenced can be either public or private. + # + def convert_encoded_instructions(filename) + filename.gsub(/%(.*?)%/) do |initial_string| + method = $1.strip + base.respond_to?(method, true) ? base.send(method) : initial_string + end + end + + # Receives a hash of options and just execute the block if some + # conditions are met. + # + def invoke_with_conflict_check(&block) + if exists? + on_conflict_behavior(&block) + else + yield unless pretend? + say_status :create, :green + end + + destination + rescue Errno::EISDIR, Errno::EEXIST + on_file_clash_behavior + end + + def on_file_clash_behavior + say_status :file_clash, :red + end + + # What to do when the destination file already exists. + # + def on_conflict_behavior + say_status :exist, :blue + end + + # Shortcut to say_status shell method. + # + def say_status(status, color) + base.shell.say_status status, relative_destination, color if config[:verbose] + end + end + end +end |