60 lines
1.8 KiB
Ruby
60 lines
1.8 KiB
Ruby
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_method :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 if config[:symbolic].nil?
|
|
File.unlink(destination) if exists?
|
|
if config[:symbolic]
|
|
File.symlink(render, destination)
|
|
else
|
|
File.link(render, destination)
|
|
end
|
|
end
|
|
given_destination
|
|
end
|
|
|
|
def exists?
|
|
super || File.symlink?(destination)
|
|
end
|
|
end
|
|
end
|
|
end
|