/usr/lib/ruby/vendor_ruby/thor/actions/file_manipulation.rb is in ruby-thor 0.19.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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, and
# :mode => :preserve, to preserve the file mode from the source.
#
# ==== Examples
#
# copy_file "README", "doc/README"
#
# copy_file "doc/README"
#
def copy_file(source, *args, &block)
config = args.last.is_a?(Hash) ? args.pop : {}
destination = args.first || 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
if config[:mode] == :preserve
mode = File.stat(source).mode
chmod(destination, mode, config)
end
end
# Links 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
#
# link_file "README", "doc/README"
#
# link_file "doc/README"
#
def link_file(source, *args, &block)
config = args.last.is_a?(Hash) ? args.pop : {}
destination = args.first || source
source = File.expand_path(find_in_source_paths(source.to_s))
create_link destination, source, config
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, *args, &block)
config = args.last.is_a?(Hash) ? args.pop : {}
destination = args.first
source = File.expand_path(find_in_source_paths(source.to_s)) unless source =~ %r{^https?\://}
render = open(source) { |input| input.binmode.read }
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, *args, &block)
config = args.last.is_a?(Hash) ? args.pop : {}
destination = args.first || source.sub(/#{TEMPLATE_EXTNAME}$/, "")
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, "-", "@output_buffer").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/server", 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 insert_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_to_file 'config/environments/test.rb', 'config.gem "rspec"'
#
# prepend_to_file 'config/environments/test.rb' do
# 'config.gem "rspec"'
# end
#
def prepend_to_file(path, *args, &block)
config = args.last.is_a?(Hash) ? args.pop : {}
config.merge!(:after => /\A/)
insert_into_file(path, *(args << config), &block)
end
alias_method :prepend_file, :prepend_to_file
# Append text to a file. Since it depends on insert_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_to_file 'config/environments/test.rb', 'config.gem "rspec"'
#
# append_to_file 'config/environments/test.rb' do
# 'config.gem "rspec"'
# end
#
def append_to_file(path, *args, &block)
config = args.last.is_a?(Hash) ? args.pop : {}
config.merge!(:before => /\z/)
insert_into_file(path, *(args << config), &block)
end
alias_method :append_file, :append_to_file
# Injects text right after the class definition. Since it depends on
# insert_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", ApplicationController, " 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/)
insert_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
# Uncomment all lines matching a given regex. It will leave the space
# which existed before the comment hash in tact but will remove any spacing
# between the comment hash and the beginning of the line.
#
# ==== Parameters
# path<String>:: path of the file to be changed
# flag<Regexp|String>:: the regexp or string used to decide which lines to uncomment
# config<Hash>:: give :verbose => false to not log the status.
#
# ==== Example
#
# uncomment_lines 'config/initializers/session_store.rb', /active_record/
#
def uncomment_lines(path, flag, *args)
flag = flag.respond_to?(:source) ? flag.source : flag
gsub_file(path, /^(\s*)#[[:blank:]]*(.*#{flag})/, '\1\2', *args)
end
# Comment all lines matching a given regex. It will leave the space
# which existed before the beginning of the line in tact and will insert
# a single space after the comment hash.
#
# ==== Parameters
# path<String>:: path of the file to be changed
# flag<Regexp|String>:: the regexp or string used to decide which lines to comment
# config<Hash>:: give :verbose => false to not log the status.
#
# ==== Example
#
# comment_lines 'config/initializers/session_store.rb', /cookie_store/
#
def comment_lines(path, flag, *args)
flag = flag.respond_to?(:source) ? flag.source : flag
gsub_file(path, /^(\s*)([^#|\n]*#{flag})/, '\1# \2', *args)
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.exist?(path)
end
alias_method :remove_dir, :remove_file
attr_accessor :output_buffer
private :output_buffer, :output_buffer=
private
def concat(string)
@output_buffer.concat(string)
end
def capture(*args, &block)
with_output_buffer { block.call(*args) }
end
def with_output_buffer(buf = "") #:nodoc:
self.output_buffer, old_buffer = buf, output_buffer
yield
output_buffer
ensure
self.output_buffer = old_buffer
end
end
end
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