# frozen_string_literal: true

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#

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# = fileutils.rb

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#

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# Copyright (c) 2000-2007 Minero Aoki

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#

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# This program is free software.

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# You can distribute/modify this program under the same terms of ruby.

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#

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# == module FileUtils

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#

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# Namespace for several file utility methods for copying, moving, removing, etc.

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#

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# === Module Functions

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#

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# require 'fileutils'

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#

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# FileUtils.cd(dir, options)

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# FileUtils.cd(dir, options) {|dir| block }

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# FileUtils.pwd()

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# FileUtils.mkdir(dir, options)

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# FileUtils.mkdir(list, options)

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# FileUtils.mkdir_p(dir, options)

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# FileUtils.mkdir_p(list, options)

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# FileUtils.rmdir(dir, options)

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# FileUtils.rmdir(list, options)

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# FileUtils.ln(target, link, options)

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# FileUtils.ln(targets, dir, options)

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# FileUtils.ln_s(target, link, options)

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# FileUtils.ln_s(targets, dir, options)

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# FileUtils.ln_sf(target, link, options)

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# FileUtils.cp(src, dest, options)

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# FileUtils.cp(list, dir, options)

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# FileUtils.cp_r(src, dest, options)

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# FileUtils.cp_r(list, dir, options)

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# FileUtils.mv(src, dest, options)

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# FileUtils.mv(list, dir, options)

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# FileUtils.rm(list, options)

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# FileUtils.rm_r(list, options)

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# FileUtils.rm_rf(list, options)

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# FileUtils.install(src, dest, options)

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# FileUtils.chmod(mode, list, options)

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# FileUtils.chmod_R(mode, list, options)

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# FileUtils.chown(user, group, list, options)

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# FileUtils.chown_R(user, group, list, options)

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# FileUtils.touch(list, options)

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#

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# The <tt>options</tt> parameter is a hash of options, taken from the list

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# <tt>:force</tt>, <tt>:noop</tt>, <tt>:preserve</tt>, and <tt>:verbose</tt>.

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# <tt>:noop</tt> means that no changes are made. The other three are obvious.

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# Each method documents the options that it honours.

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#

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# All methods that have the concept of a "source" file or directory can take

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# either one file or a list of files in that argument. See the method

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# documentation for examples.

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#

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# There are some `low level' methods, which do not accept any option:

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#

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# FileUtils.copy_entry(src, dest, preserve = false, dereference = false)

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# FileUtils.copy_file(src, dest, preserve = false, dereference = true)

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# FileUtils.copy_stream(srcstream, deststream)

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# FileUtils.remove_entry(path, force = false)

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# FileUtils.remove_entry_secure(path, force = false)

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# FileUtils.remove_file(path, force = false)

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# FileUtils.compare_file(path_a, path_b)

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# FileUtils.compare_stream(stream_a, stream_b)

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# FileUtils.uptodate?(file, cmp_list)

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#

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# == module FileUtils::Verbose

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#

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# This module has all methods of FileUtils module, but it outputs messages

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# before acting. This equates to passing the <tt>:verbose</tt> flag to methods

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# in FileUtils.

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#

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# == module FileUtils::NoWrite

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#

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# This module has all methods of FileUtils module, but never changes

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# files/directories. This equates to passing the <tt>:noop</tt> flag to methods

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# in FileUtils.

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#

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# == module FileUtils::DryRun

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#

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# This module has all methods of FileUtils module, but never changes

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# files/directories. This equates to passing the <tt>:noop</tt> and

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# <tt>:verbose</tt> flags to methods in FileUtils.

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#

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module FileUtils

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VERSION = "1.0.2"

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def self.private_module_function(name) #:nodoc:

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module_function name

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private_class_method name

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end

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#

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# Returns the name of the current directory.

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#

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def pwd

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Dir.pwd

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end

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module_function :pwd

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alias getwd pwd

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module_function :getwd

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#

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# Changes the current directory to the directory +dir+.

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#

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# If this method is called with block, resumes to the old

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# working directory after the block execution finished.

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#

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# FileUtils.cd('/', :verbose => true) # chdir and report it

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#

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# FileUtils.cd('/') do # chdir

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# # ... # do something

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# end # return to original directory

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#

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def cd(dir, verbose: nil, &block) # :yield: dir

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fu_output_message "cd #{dir}" if verbose

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Dir.chdir(dir, &block)

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fu_output_message 'cd -' if verbose and block

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end

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module_function :cd

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alias chdir cd

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module_function :chdir

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#

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# Returns true if +new+ is newer than all +old_list+.

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# Non-existent files are older than any file.

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#

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# FileUtils.uptodate?('hello.o', %w(hello.c hello.h)) or \

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# system 'make hello.o'

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#

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def uptodate?(new, old_list)

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return false unless File.exist?(new)

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new_time = File.mtime(new)

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old_list.each do |old|

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if File.exist?(old)

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return false unless new_time > File.mtime(old)

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end

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end

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true

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end

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module_function :uptodate?

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def remove_trailing_slash(dir) #:nodoc:

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dir == '/' ? dir : dir.chomp(?/)

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end

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private_module_function :remove_trailing_slash

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#

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# Creates one or more directories.

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#

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# FileUtils.mkdir 'test'

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# FileUtils.mkdir %w( tmp data )

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# FileUtils.mkdir 'notexist', :noop => true # Does not really create.

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# FileUtils.mkdir 'tmp', :mode => 0700

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#

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def mkdir(list, mode: nil, noop: nil, verbose: nil)

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list = fu_list(list)

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fu_output_message "mkdir #{mode ? ('-m %03o ' % mode) : ''}#{list.join ' '}" if verbose

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return if noop

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list.each do |dir|

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fu_mkdir dir, mode

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end

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end

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module_function :mkdir

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#

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# Creates a directory and all its parent directories.

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# For example,

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#

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# FileUtils.mkdir_p '/usr/local/lib/ruby'

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#

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# causes to make following directories, if it does not exist.

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#

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# * /usr

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# * /usr/local

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# * /usr/local/lib

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# * /usr/local/lib/ruby

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#

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# You can pass several directories at a time in a list.

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#

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def mkdir_p(list, mode: nil, noop: nil, verbose: nil)

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list = fu_list(list)

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fu_output_message "mkdir -p #{mode ? ('-m %03o ' % mode) : ''}#{list.join ' '}" if verbose

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return *list if noop

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list.map {|path| remove_trailing_slash(path)}.each do |path|

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# optimize for the most common case

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begin

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fu_mkdir path, mode

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next

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rescue SystemCallError

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next if File.directory?(path)

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end

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stack = []

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until path == stack.last # dirname("/")=="/", dirname("C:/")=="C:/"

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stack.push path

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path = File.dirname(path)

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end

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stack.pop # root directory should exist

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stack.reverse_each do |dir|

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begin

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fu_mkdir dir, mode

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rescue SystemCallError

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raise unless File.directory?(dir)

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end

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end

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end

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return *list

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end

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module_function :mkdir_p

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alias mkpath mkdir_p

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alias makedirs mkdir_p

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module_function :mkpath

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module_function :makedirs

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def fu_mkdir(path, mode) #:nodoc:

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path = remove_trailing_slash(path)

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if mode

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Dir.mkdir path, mode

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File.chmod mode, path

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else

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Dir.mkdir path

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end

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end

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private_module_function :fu_mkdir

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#

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# Removes one or more directories.

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#

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# FileUtils.rmdir 'somedir'

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# FileUtils.rmdir %w(somedir anydir otherdir)

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# # Does not really remove directory; outputs message.

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# FileUtils.rmdir 'somedir', :verbose => true, :noop => true

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#

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def rmdir(list, parents: nil, noop: nil, verbose: nil)

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list = fu_list(list)

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fu_output_message "rmdir #{parents ? '-p ' : ''}#{list.join ' '}" if verbose

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return if noop

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list.each do |dir|

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Dir.rmdir(dir = remove_trailing_slash(dir))

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if parents

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begin

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until (parent = File.dirname(dir)) == '.' or parent == dir

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dir = parent

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Dir.rmdir(dir)

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end

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rescue Errno::ENOTEMPTY, Errno::EEXIST, Errno::ENOENT

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end

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end

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end

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end

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module_function :rmdir

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#

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# :call-seq:

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# FileUtils.ln(target, link, force: nil, noop: nil, verbose: nil)

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# FileUtils.ln(target, dir, force: nil, noop: nil, verbose: nil)

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# FileUtils.ln(targets, dir, force: nil, noop: nil, verbose: nil)

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#

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# In the first form, creates a hard link +link+ which points to +target+.

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# If +link+ already exists, raises Errno::EEXIST.

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# But if the :force option is set, overwrites +link+.

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#

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# FileUtils.ln 'gcc', 'cc', verbose: true

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# FileUtils.ln '/usr/bin/emacs21', '/usr/bin/emacs'

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#

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# In the second form, creates a link +dir/target+ pointing to +target+.

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# In the third form, creates several hard links in the directory +dir+,

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# pointing to each item in +targets+.

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# If +dir+ is not a directory, raises Errno::ENOTDIR.

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#

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# FileUtils.cd '/sbin'

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# FileUtils.ln %w(cp mv mkdir), '/bin' # Now /sbin/cp and /bin/cp are linked.

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#

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def ln(src, dest, force: nil, noop: nil, verbose: nil)

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fu_output_message "ln#{force ? ' -f' : ''} #{[src,dest].flatten.join ' '}" if verbose

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return if noop

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fu_each_src_dest0(src, dest) do |s,d|

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remove_file d, true if force

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File.link s, d

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end

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end

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module_function :ln

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alias link ln

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module_function :link

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#

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# :call-seq:

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# FileUtils.ln_s(target, link, force: nil, noop: nil, verbose: nil)

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# FileUtils.ln_s(target, dir, force: nil, noop: nil, verbose: nil)

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# FileUtils.ln_s(targets, dir, force: nil, noop: nil, verbose: nil)

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#

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# In the first form, creates a symbolic link +link+ which points to +target+.

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# If +link+ already exists, raises Errno::EEXIST.

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# But if the :force option is set, overwrites +link+.

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#

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# FileUtils.ln_s '/usr/bin/ruby', '/usr/local/bin/ruby'

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# FileUtils.ln_s 'verylongsourcefilename.c', 'c', force: true

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#

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# In the second form, creates a link +dir/target+ pointing to +target+.

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# In the third form, creates several symbolic links in the directory +dir+,

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# pointing to each item in +targets+.

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# If +dir+ is not a directory, raises Errno::ENOTDIR.

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#

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# FileUtils.ln_s Dir.glob('/bin/*.rb'), '/home/foo/bin'

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#

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def ln_s(src, dest, force: nil, noop: nil, verbose: nil)

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fu_output_message "ln -s#{force ? 'f' : ''} #{[src,dest].flatten.join ' '}" if verbose

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return if noop

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fu_each_src_dest0(src, dest) do |s,d|

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remove_file d, true if force

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File.symlink s, d

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end

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end

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module_function :ln_s

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alias symlink ln_s

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module_function :symlink

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#

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# :call-seq:

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# FileUtils.ln_sf(*args)

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#

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# Same as

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#

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# FileUtils.ln_s(*args, force: true)

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#

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def ln_sf(src, dest, noop: nil, verbose: nil)

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ln_s src, dest, force: true, noop: noop, verbose: verbose

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end

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module_function :ln_sf

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#

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# Copies a file content +src+ to +dest+. If +dest+ is a directory,

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# copies +src+ to +dest/src+.

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#

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# If +src+ is a list of files, then +dest+ must be a directory.

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#

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# FileUtils.cp 'eval.c', 'eval.c.org'

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# FileUtils.cp %w(cgi.rb complex.rb date.rb), '/usr/lib/ruby/1.6'

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# FileUtils.cp %w(cgi.rb complex.rb date.rb), '/usr/lib/ruby/1.6', :verbose => true

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# FileUtils.cp 'symlink', 'dest' # copy content, "dest" is not a symlink

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#

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def cp(src, dest, preserve: nil, noop: nil, verbose: nil)

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fu_output_message "cp#{preserve ? ' -p' : ''} #{[src,dest].flatten.join ' '}" if verbose

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return if noop

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fu_each_src_dest(src, dest) do |s, d|

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copy_file s, d, preserve

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end

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end

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module_function :cp

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alias copy cp

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module_function :copy

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#

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# Copies +src+ to +dest+. If +src+ is a directory, this method copies

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# all its contents recursively. If +dest+ is a directory, copies

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# +src+ to +dest/src+.

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#

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# +src+ can be a list of files.

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#

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# # Installing Ruby library "mylib" under the site_ruby

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# FileUtils.rm_r site_ruby + '/mylib', :force

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# FileUtils.cp_r 'lib/', site_ruby + '/mylib'

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#

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# # Examples of copying several files to target directory.

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# FileUtils.cp_r %w(mail.rb field.rb debug/), site_ruby + '/tmail'

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# FileUtils.cp_r Dir.glob('*.rb'), '/home/foo/lib/ruby', :noop => true, :verbose => true

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#

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# # If you want to copy all contents of a directory instead of the

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# # directory itself, c.f. src/x -> dest/x, src/y -> dest/y,

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# # use following code.

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# FileUtils.cp_r 'src/.', 'dest' # cp_r('src', 'dest') makes dest/src,

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# # but this doesn't.

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#

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def cp_r(src, dest, preserve: nil, noop: nil, verbose: nil,

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dereference_root: true, remove_destination: nil)

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fu_output_message "cp -r#{preserve ? 'p' : ''}#{remove_destination ? ' --remove-destination' : ''} #{[src,dest].flatten.join ' '}" if verbose

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return if noop

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fu_each_src_dest(src, dest) do |s, d|

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copy_entry s, d, preserve, dereference_root, remove_destination

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end

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end

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module_function :cp_r

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#

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# Copies a file system entry +src+ to +dest+.

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# If +src+ is a directory, this method copies its contents recursively.

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# This method preserves file types, c.f. symlink, directory...

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# (FIFO, device files and etc. are not supported yet)

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#

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# Both of +src+ and +dest+ must be a path name.

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# +src+ must exist, +dest+ must not exist.

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#

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# If +preserve+ is true, this method preserves owner, group, and

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# modified time. Permissions are copied regardless +preserve+.

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#

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# If +dereference_root+ is true, this method dereference tree root.

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#

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# If +remove_destination+ is true, this method removes each destination file before copy.

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#

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def copy_entry(src, dest, preserve = false, dereference_root = false, remove_destination = false)

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Entry_.new(src, nil, dereference_root).wrap_traverse(proc do |ent|

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destent = Entry_.new(dest, ent.rel, false)

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File.unlink destent.path if remove_destination && (File.file?(destent.path) || File.symlink?(destent.path))

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ent.copy destent.path

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end, proc do |ent|

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destent = Entry_.new(dest, ent.rel, false)

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ent.copy_metadata destent.path if preserve

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end)

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end

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module_function :copy_entry

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#

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# Copies file contents of +src+ to +dest+.

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# Both of +src+ and +dest+ must be a path name.

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#

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def copy_file(src, dest, preserve = false, dereference = true)

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ent = Entry_.new(src, nil, dereference)

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ent.copy_file dest

[431] Fix | Delete

ent.copy_metadata dest if preserve

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end

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module_function :copy_file

[434] Fix | Delete

[435] Fix | Delete

#

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# Copies stream +src+ to +dest+.

[437] Fix | Delete

# +src+ must respond to #read(n) and

[438] Fix | Delete

# +dest+ must respond to #write(str).

[439] Fix | Delete

#

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def copy_stream(src, dest)

[441] Fix | Delete

IO.copy_stream(src, dest)

[442] Fix | Delete

end

[443] Fix | Delete

module_function :copy_stream

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[445] Fix | Delete

#

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# Moves file(s) +src+ to +dest+. If +file+ and +dest+ exist on the different

[447] Fix | Delete

# disk partition, the file is copied then the original file is removed.

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#

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# FileUtils.mv 'badname.rb', 'goodname.rb'

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# FileUtils.mv 'stuff.rb', '/notexist/lib/ruby', :force => true # no error

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#

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# FileUtils.mv %w(junk.txt dust.txt), '/home/foo/.trash/'

[453] Fix | Delete

# FileUtils.mv Dir.glob('test*.rb'), 'test', :noop => true, :verbose => true

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#

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def mv(src, dest, force: nil, noop: nil, verbose: nil, secure: nil)

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fu_output_message "mv#{force ? ' -f' : ''} #{[src,dest].flatten.join ' '}" if verbose

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return if noop

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fu_each_src_dest(src, dest) do |s, d|

[459] Fix | Delete

destent = Entry_.new(d, nil, true)

[460] Fix | Delete

begin

[461] Fix | Delete

if destent.exist?

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if destent.directory?

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raise Errno::EEXIST, d

[464] Fix | Delete

else

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destent.remove_file if rename_cannot_overwrite_file?

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end

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end

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begin

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File.rename s, d

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rescue Errno::EXDEV

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copy_entry s, d, true

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if secure

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remove_entry_secure s, force

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else

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remove_entry s, force

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end

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end

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rescue SystemCallError

[479] Fix | Delete

raise unless force

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end

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end

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end

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module_function :mv

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[485] Fix | Delete

alias move mv

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module_function :move

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[488] Fix | Delete

def rename_cannot_overwrite_file? #:nodoc:

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/emx/ =~ RUBY_PLATFORM

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end

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private_module_function :rename_cannot_overwrite_file?

[492] Fix | Delete

[493] Fix | Delete

#

[494] Fix | Delete

# Remove file(s) specified in +list+. This method cannot remove directories.

[495] Fix | Delete

# All StandardErrors are ignored when the :force option is set.

[496] Fix | Delete

#

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# FileUtils.rm %w( junk.txt dust.txt )

[498] Fix | Delete

# FileUtils.rm Dir.glob('*.so')

[499] Fix | Delete