diff options
Diffstat (limited to 'lib/bundler/vendor/thor/actions/create_link.rb')
-rw-r--r-- | lib/bundler/vendor/thor/actions/create_link.rb | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/bundler/vendor/thor/actions/create_link.rb b/lib/bundler/vendor/thor/actions/create_link.rb new file mode 100644 index 00000000..1975644a --- /dev/null +++ b/lib/bundler/vendor/thor/actions/create_link.rb @@ -0,0 +1,57 @@ +require 'thor/actions/create_file' + +class Thor + module Actions + + # Create a new file relative to the destination root from the given source. + # + # ==== Parameters + # destination<String>:: the relative path to the destination root. + # source<String|NilClass>:: the relative path to the source root. + # config<Hash>:: give :verbose => false to not log the status. + # :: give :symbolic => false for hard link. + # + # ==== Examples + # + # create_link "config/apache.conf", "/etc/apache.conf" + # + def create_link(destination, *args, &block) + config = args.last.is_a?(Hash) ? args.pop : {} + source = args.first + action CreateLink.new(self, destination, source, config) + end + alias :add_link :create_link + + # CreateLink is a subset of CreateFile, which instead of taking a block of + # data, just takes a source string from the user. + # + class CreateLink < CreateFile #:nodoc: + attr_reader :data + + # Checks if the content of the file at the destination is identical to the rendered result. + # + # ==== Returns + # Boolean:: true if it is identical, false otherwise. + # + def identical? + exists? && File.identical?(render, destination) + end + + def invoke! + invoke_with_conflict_check do + FileUtils.mkdir_p(File.dirname(destination)) + # Create a symlink by default + config[:symbolic] ||= true + File.unlink(destination) if exists? + if config[:symbolic] + File.symlink(render, destination) + else + File.link(render, destination) + end + end + given_destination + end + + end + end +end |