зеркало из https://github.com/github/ruby.git
1602 строки
42 KiB
Ruby
1602 строки
42 KiB
Ruby
#
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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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# cd(dir, options)
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# cd(dir, options) {|dir| .... }
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# pwd()
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# mkdir(dir, options)
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# mkdir(list, options)
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# mkdir_p(dir, options)
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# mkdir_p(list, options)
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# rmdir(dir, options)
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# rmdir(list, options)
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# ln(old, new, options)
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# ln(list, destdir, options)
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# ln_s(old, new, options)
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# ln_s(list, destdir, options)
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# ln_sf(src, dest, options)
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# cp(src, dest, options)
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# cp(list, dir, options)
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# cp_r(src, dest, options)
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# cp_r(list, dir, options)
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# mv(src, dest, options)
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# mv(list, dir, options)
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# rm(list, options)
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# rm_r(list, options)
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# rm_rf(list, options)
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# install(src, dest, mode = <src's>, options)
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# chmod(mode, list, options)
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# chmod_R(mode, list, options)
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# chown(user, group, list, options)
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# chown_R(user, group, list, options)
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# 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 two 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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# copy_entry(src, dest, preserve = false, dereference = false)
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# copy_file(src, dest, preserve = false, dereference = true)
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# copy_stream(srcstream, deststream)
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# remove_entry(path, force = false)
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# remove_entry_secure(path, force = false)
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# remove_file(path, force = false)
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# compare_file(path_a, path_b)
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# compare_stream(stream_a, stream_b)
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# 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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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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# This hash table holds command options.
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OPT_TABLE = {} #:nodoc: internal use only
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#
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# Options: (none)
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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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# Options: verbose
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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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def cd(dir, options = {}, &block) # :yield: dir
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fu_check_options options, OPT_TABLE['cd']
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fu_output_message "cd #{dir}" if options[:verbose]
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Dir.chdir(dir, &block)
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fu_output_message 'cd -' if options[: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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OPT_TABLE['cd'] =
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OPT_TABLE['chdir'] = [:verbose]
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#
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# Options: (none)
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#
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# Returns true if +newer+ 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, options = nil)
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raise ArgumentError, 'uptodate? does not accept any option' if options
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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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#
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# Options: mode noop verbose
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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, options = {})
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fu_check_options options, OPT_TABLE['mkdir']
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list = fu_list(list)
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fu_output_message "mkdir #{options[:mode] ? ('-m %03o ' % options[:mode]) : ''}#{list.join ' '}" if options[:verbose]
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return if options[:noop]
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list.each do |dir|
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fu_mkdir dir, options[:mode]
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end
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end
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module_function :mkdir
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OPT_TABLE['mkdir'] = [:mode, :noop, :verbose]
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#
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# Options: mode noop verbose
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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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# * /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, options = {})
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fu_check_options options, OPT_TABLE['mkdir_p']
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list = fu_list(list)
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fu_output_message "mkdir -p #{options[:mode] ? ('-m %03o ' % options[:mode]) : ''}#{list.join ' '}" if options[:verbose]
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return *list if options[:noop]
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list.map {|path| path.sub(%r</\z>, '') }.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, options[: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.reverse_each do |dir|
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begin
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fu_mkdir dir, options[: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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OPT_TABLE['mkdir_p'] =
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OPT_TABLE['mkpath'] =
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OPT_TABLE['makedirs'] = [:mode, :noop, :verbose]
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def fu_mkdir(path, mode) #:nodoc:
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path = path.sub(%r</\z>, '')
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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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# Options: noop, verbose
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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, options = {})
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fu_check_options options, OPT_TABLE['rmdir']
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list = fu_list(list)
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parents = options[:parents]
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fu_output_message "rmdir #{parents ? '-p ' : ''}#{list.join ' '}" if options[:verbose]
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return if options[:noop]
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list.each do |dir|
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begin
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Dir.rmdir(dir = dir.sub(%r</\z>, ''))
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if parents
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until (parent = File.dirname(dir)) == '.' or parent == dir
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Dir.rmdir(dir)
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end
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end
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rescue Errno::ENOTEMPTY, Errno::ENOENT
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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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OPT_TABLE['rmdir'] = [:parents, :noop, :verbose]
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#
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# Options: force noop verbose
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#
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# <b><tt>ln(old, new, options = {})</tt></b>
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#
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# Creates a hard link +new+ which points to +old+.
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# If +new+ already exists and it is a directory, creates a link +new/old+.
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# If +new+ already exists and it is not a directory, raises Errno::EEXIST.
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# But if :force option is set, overwrite +new+.
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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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# <b><tt>ln(list, destdir, options = {})</tt></b>
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#
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# Creates several hard links in a directory, with each one pointing to the
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# item in +list+. If +destdir+ is not a directory, raises Errno::ENOTDIR.
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#
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# include FileUtils
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# 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, options = {})
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fu_check_options options, OPT_TABLE['ln']
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fu_output_message "ln#{options[:force] ? ' -f' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
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return if options[:noop]
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fu_each_src_dest0(src, dest) do |s,d|
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remove_file d, true if options[: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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OPT_TABLE['ln'] =
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OPT_TABLE['link'] = [:force, :noop, :verbose]
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#
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# Options: force noop verbose
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#
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# <b><tt>ln_s(old, new, options = {})</tt></b>
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#
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# Creates a symbolic link +new+ which points to +old+. If +new+ already
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# exists and it is a directory, creates a symbolic link +new/old+. If +new+
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# already exists and it is not a directory, raises Errno::EEXIST. But if
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# :force option is set, overwrite +new+.
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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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# <b><tt>ln_s(list, destdir, options = {})</tt></b>
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#
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# Creates several symbolic links in a directory, with each one pointing to the
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# item in +list+. If +destdir+ is not a directory, raises Errno::ENOTDIR.
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#
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# If +destdir+ is not a directory, raises Errno::ENOTDIR.
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#
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# FileUtils.ln_s Dir.glob('bin/*.rb'), '/home/aamine/bin'
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#
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def ln_s(src, dest, options = {})
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fu_check_options options, OPT_TABLE['ln_s']
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fu_output_message "ln -s#{options[:force] ? 'f' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
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return if options[:noop]
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fu_each_src_dest0(src, dest) do |s,d|
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remove_file d, true if options[: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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OPT_TABLE['ln_s'] =
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OPT_TABLE['symlink'] = [:force, :noop, :verbose]
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#
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# Options: noop verbose
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#
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# Same as
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# #ln_s(src, dest, :force)
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#
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def ln_sf(src, dest, options = {})
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fu_check_options options, OPT_TABLE['ln_sf']
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options = options.dup
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options[:force] = true
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ln_s src, dest, options
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end
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module_function :ln_sf
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OPT_TABLE['ln_sf'] = [:noop, :verbose]
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#
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# Options: preserve noop verbose
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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, options = {})
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fu_check_options options, OPT_TABLE['cp']
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fu_output_message "cp#{options[:preserve] ? ' -p' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
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return if options[:noop]
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fu_each_src_dest(src, dest) do |s, d|
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copy_file s, d, options[: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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OPT_TABLE['cp'] =
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OPT_TABLE['copy'] = [:preserve, :noop, :verbose]
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#
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# Options: preserve noop verbose dereference_root remove_destination
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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/aamine/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 src/dest,
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# # but this doesn't.
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#
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def cp_r(src, dest, options = {})
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fu_check_options options, OPT_TABLE['cp_r']
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fu_output_message "cp -r#{options[:preserve] ? 'p' : ''}#{options[:remove_destination] ? ' --remove-destination' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
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return if options[:noop]
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options = options.dup
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options[:dereference_root] = true unless options.key?(:dereference_root)
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fu_each_src_dest(src, dest) do |s, d|
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copy_entry s, d, options[:preserve], options[:dereference_root], options[:remove_destination]
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end
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end
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module_function :cp_r
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OPT_TABLE['cp_r'] = [:preserve, :noop, :verbose,
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:dereference_root, :remove_destination]
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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, permissions
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# and modified time.
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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).traverse 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)
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ent.copy destent.path
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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
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ent.copy_metadata dest if preserve
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end
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module_function :copy_file
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#
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# Copies stream +src+ to +dest+.
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# +src+ must respond to #read(n) and
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# +dest+ must respond to #write(str).
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#
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def copy_stream(src, dest)
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IO.copy_stream(src, dest)
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end
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module_function :copy_stream
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#
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# Options: force noop verbose
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#
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# Moves file(s) +src+ to +dest+. If +file+ and +dest+ exist on the different
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# disk partition, the file is copied then the original file is removed.
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#
|
|
# FileUtils.mv 'badname.rb', 'goodname.rb'
|
|
# FileUtils.mv 'stuff.rb', '/notexist/lib/ruby', :force => true # no error
|
|
#
|
|
# FileUtils.mv %w(junk.txt dust.txt), '/home/aamine/.trash/'
|
|
# FileUtils.mv Dir.glob('test*.rb'), 'test', :noop => true, :verbose => true
|
|
#
|
|
def mv(src, dest, options = {})
|
|
fu_check_options options, OPT_TABLE['mv']
|
|
fu_output_message "mv#{options[:force] ? ' -f' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
|
|
return if options[:noop]
|
|
fu_each_src_dest(src, dest) do |s, d|
|
|
destent = Entry_.new(d, nil, true)
|
|
begin
|
|
if destent.exist?
|
|
if destent.directory?
|
|
raise Errno::EEXIST, dest
|
|
else
|
|
destent.remove_file if rename_cannot_overwrite_file?
|
|
end
|
|
end
|
|
begin
|
|
File.rename s, d
|
|
rescue Errno::EXDEV
|
|
copy_entry s, d, true
|
|
if options[:secure]
|
|
remove_entry_secure s, options[:force]
|
|
else
|
|
remove_entry s, options[:force]
|
|
end
|
|
end
|
|
rescue SystemCallError
|
|
raise unless options[:force]
|
|
end
|
|
end
|
|
end
|
|
module_function :mv
|
|
|
|
alias move mv
|
|
module_function :move
|
|
|
|
OPT_TABLE['mv'] =
|
|
OPT_TABLE['move'] = [:force, :noop, :verbose, :secure]
|
|
|
|
def rename_cannot_overwrite_file? #:nodoc:
|
|
/cygwin|mswin|mingw|bccwin|emx/ =~ RUBY_PLATFORM
|
|
end
|
|
private_module_function :rename_cannot_overwrite_file?
|
|
|
|
#
|
|
# Options: force noop verbose
|
|
#
|
|
# Remove file(s) specified in +list+. This method cannot remove directories.
|
|
# All StandardErrors are ignored when the :force option is set.
|
|
#
|
|
# FileUtils.rm %w( junk.txt dust.txt )
|
|
# FileUtils.rm Dir.glob('*.so')
|
|
# FileUtils.rm 'NotExistFile', :force => true # never raises exception
|
|
#
|
|
def rm(list, options = {})
|
|
fu_check_options options, OPT_TABLE['rm']
|
|
list = fu_list(list)
|
|
fu_output_message "rm#{options[:force] ? ' -f' : ''} #{list.join ' '}" if options[:verbose]
|
|
return if options[:noop]
|
|
|
|
list.each do |path|
|
|
remove_file path, options[:force]
|
|
end
|
|
end
|
|
module_function :rm
|
|
|
|
alias remove rm
|
|
module_function :remove
|
|
|
|
OPT_TABLE['rm'] =
|
|
OPT_TABLE['remove'] = [:force, :noop, :verbose]
|
|
|
|
#
|
|
# Options: noop verbose
|
|
#
|
|
# Equivalent to
|
|
#
|
|
# #rm(list, :force => true)
|
|
#
|
|
def rm_f(list, options = {})
|
|
fu_check_options options, OPT_TABLE['rm_f']
|
|
options = options.dup
|
|
options[:force] = true
|
|
rm list, options
|
|
end
|
|
module_function :rm_f
|
|
|
|
alias safe_unlink rm_f
|
|
module_function :safe_unlink
|
|
|
|
OPT_TABLE['rm_f'] =
|
|
OPT_TABLE['safe_unlink'] = [:noop, :verbose]
|
|
|
|
#
|
|
# Options: force noop verbose secure
|
|
#
|
|
# remove files +list+[0] +list+[1]... If +list+[n] is a directory,
|
|
# removes its all contents recursively. This method ignores
|
|
# StandardError when :force option is set.
|
|
#
|
|
# FileUtils.rm_r Dir.glob('/tmp/*')
|
|
# FileUtils.rm_r '/', :force => true # :-)
|
|
#
|
|
# WARNING: This method causes local vulnerability
|
|
# if one of parent directories or removing directory tree are world
|
|
# writable (including /tmp, whose permission is 1777), and the current
|
|
# process has strong privilege such as Unix super user (root), and the
|
|
# system has symbolic link. For secure removing, read the documentation
|
|
# of #remove_entry_secure carefully, and set :secure option to true.
|
|
# Default is :secure=>false.
|
|
#
|
|
# NOTE: This method calls #remove_entry_secure if :secure option is set.
|
|
# See also #remove_entry_secure.
|
|
#
|
|
def rm_r(list, options = {})
|
|
fu_check_options options, OPT_TABLE['rm_r']
|
|
# options[:secure] = true unless options.key?(:secure)
|
|
list = fu_list(list)
|
|
fu_output_message "rm -r#{options[:force] ? 'f' : ''} #{list.join ' '}" if options[:verbose]
|
|
return if options[:noop]
|
|
list.each do |path|
|
|
if options[:secure]
|
|
remove_entry_secure path, options[:force]
|
|
else
|
|
remove_entry path, options[:force]
|
|
end
|
|
end
|
|
end
|
|
module_function :rm_r
|
|
|
|
OPT_TABLE['rm_r'] = [:force, :noop, :verbose, :secure]
|
|
|
|
#
|
|
# Options: noop verbose secure
|
|
#
|
|
# Equivalent to
|
|
#
|
|
# #rm_r(list, :force => true)
|
|
#
|
|
# WARNING: This method causes local vulnerability.
|
|
# Read the documentation of #rm_r first.
|
|
#
|
|
def rm_rf(list, options = {})
|
|
fu_check_options options, OPT_TABLE['rm_rf']
|
|
options = options.dup
|
|
options[:force] = true
|
|
rm_r list, options
|
|
end
|
|
module_function :rm_rf
|
|
|
|
alias rmtree rm_rf
|
|
module_function :rmtree
|
|
|
|
OPT_TABLE['rm_rf'] =
|
|
OPT_TABLE['rmtree'] = [:noop, :verbose, :secure]
|
|
|
|
#
|
|
# This method removes a file system entry +path+. +path+ shall be a
|
|
# regular file, a directory, or something. If +path+ is a directory,
|
|
# remove it recursively. This method is required to avoid TOCTTOU
|
|
# (time-of-check-to-time-of-use) local security vulnerability of #rm_r.
|
|
# #rm_r causes security hole when:
|
|
#
|
|
# * Parent directory is world writable (including /tmp).
|
|
# * Removing directory tree includes world writable directory.
|
|
# * The system has symbolic link.
|
|
#
|
|
# To avoid this security hole, this method applies special preprocess.
|
|
# If +path+ is a directory, this method chown(2) and chmod(2) all
|
|
# removing directories. This requires the current process is the
|
|
# owner of the removing whole directory tree, or is the super user (root).
|
|
#
|
|
# WARNING: You must ensure that *ALL* parent directories are not
|
|
# world writable. Otherwise this method does not work.
|
|
# Only exception is temporary directory like /tmp and /var/tmp,
|
|
# whose permission is 1777.
|
|
#
|
|
# WARNING: Only the owner of the removing directory tree, or Unix super
|
|
# user (root) should invoke this method. Otherwise this method does not
|
|
# work.
|
|
#
|
|
# For details of this security vulnerability, see Perl's case:
|
|
#
|
|
# http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0448
|
|
# http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0452
|
|
#
|
|
# For fileutils.rb, this vulnerability is reported in [ruby-dev:26100].
|
|
#
|
|
def remove_entry_secure(path, force = false)
|
|
unless fu_have_symlink?
|
|
remove_entry path, force
|
|
return
|
|
end
|
|
fullpath = File.expand_path(path)
|
|
st = File.lstat(fullpath)
|
|
unless st.directory?
|
|
File.unlink fullpath
|
|
return
|
|
end
|
|
# is a directory.
|
|
parent_st = File.stat(File.dirname(fullpath))
|
|
unless parent_st.world_writable?
|
|
remove_entry path, force
|
|
return
|
|
end
|
|
unless parent_st.sticky?
|
|
raise ArgumentError, "parent directory is world writable, FileUtils#remove_entry_secure does not work; abort: #{path.inspect} (parent directory mode #{'%o' % parent_st.mode})"
|
|
end
|
|
# freeze tree root
|
|
euid = Process.euid
|
|
File.open(fullpath + '/.') {|f|
|
|
unless fu_stat_identical_entry?(st, f.stat)
|
|
# symlink (TOC-to-TOU attack?)
|
|
File.unlink fullpath
|
|
return
|
|
end
|
|
f.chown euid, -1
|
|
f.chmod 0700
|
|
}
|
|
# ---- tree root is frozen ----
|
|
root = Entry_.new(path)
|
|
root.preorder_traverse do |ent|
|
|
if ent.directory?
|
|
ent.chown euid, -1
|
|
ent.chmod 0700
|
|
end
|
|
end
|
|
root.postorder_traverse do |ent|
|
|
begin
|
|
ent.remove
|
|
rescue
|
|
raise unless force
|
|
end
|
|
end
|
|
rescue
|
|
raise unless force
|
|
end
|
|
module_function :remove_entry_secure
|
|
|
|
def fu_have_symlink? #:nodoc
|
|
File.symlink nil, nil
|
|
rescue NotImplementedError
|
|
return false
|
|
rescue
|
|
return true
|
|
end
|
|
private_module_function :fu_have_symlink?
|
|
|
|
def fu_stat_identical_entry?(a, b) #:nodoc:
|
|
a.dev == b.dev and a.ino == b.ino
|
|
end
|
|
private_module_function :fu_stat_identical_entry?
|
|
|
|
#
|
|
# This method removes a file system entry +path+.
|
|
# +path+ might be a regular file, a directory, or something.
|
|
# If +path+ is a directory, remove it recursively.
|
|
#
|
|
# See also #remove_entry_secure.
|
|
#
|
|
def remove_entry(path, force = false)
|
|
Entry_.new(path).postorder_traverse do |ent|
|
|
begin
|
|
ent.remove
|
|
rescue
|
|
raise unless force
|
|
end
|
|
end
|
|
rescue
|
|
raise unless force
|
|
end
|
|
module_function :remove_entry
|
|
|
|
#
|
|
# Removes a file +path+.
|
|
# This method ignores StandardError if +force+ is true.
|
|
#
|
|
def remove_file(path, force = false)
|
|
Entry_.new(path).remove_file
|
|
rescue
|
|
raise unless force
|
|
end
|
|
module_function :remove_file
|
|
|
|
#
|
|
# Removes a directory +dir+ and its contents recursively.
|
|
# This method ignores StandardError if +force+ is true.
|
|
#
|
|
def remove_dir(path, force = false)
|
|
remove_entry path, force # FIXME?? check if it is a directory
|
|
end
|
|
module_function :remove_dir
|
|
|
|
#
|
|
# Returns true if the contents of a file A and a file B are identical.
|
|
#
|
|
# FileUtils.compare_file('somefile', 'somefile') #=> true
|
|
# FileUtils.compare_file('/bin/cp', '/bin/mv') #=> maybe false
|
|
#
|
|
def compare_file(a, b)
|
|
return false unless File.size(a) == File.size(b)
|
|
File.open(a, 'rb') {|fa|
|
|
File.open(b, 'rb') {|fb|
|
|
return compare_stream(fa, fb)
|
|
}
|
|
}
|
|
end
|
|
module_function :compare_file
|
|
|
|
alias identical? compare_file
|
|
alias cmp compare_file
|
|
module_function :identical?
|
|
module_function :cmp
|
|
|
|
#
|
|
# Returns true if the contents of a stream +a+ and +b+ are identical.
|
|
#
|
|
def compare_stream(a, b)
|
|
bsize = fu_stream_blksize(a, b)
|
|
sa = sb = nil
|
|
while sa == sb
|
|
sa = a.read(bsize)
|
|
sb = b.read(bsize)
|
|
unless sa and sb
|
|
if sa.nil? and sb.nil?
|
|
return true
|
|
end
|
|
end
|
|
end
|
|
false
|
|
end
|
|
module_function :compare_stream
|
|
|
|
#
|
|
# Options: mode preserve noop verbose
|
|
#
|
|
# If +src+ is not same as +dest+, copies it and changes the permission
|
|
# mode to +mode+. If +dest+ is a directory, destination is +dest+/+src+.
|
|
# This method removes destination before copy.
|
|
#
|
|
# FileUtils.install 'ruby', '/usr/local/bin/ruby', :mode => 0755, :verbose => true
|
|
# FileUtils.install 'lib.rb', '/usr/local/lib/ruby/site_ruby', :verbose => true
|
|
#
|
|
def install(src, dest, options = {})
|
|
fu_check_options options, OPT_TABLE['install']
|
|
fu_output_message "install -c#{options[:preserve] && ' -p'}#{options[:mode] ? (' -m 0%o' % options[:mode]) : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
|
|
return if options[:noop]
|
|
fu_each_src_dest(src, dest) do |s, d, st|
|
|
unless File.exist?(d) and compare_file(s, d)
|
|
remove_file d, true
|
|
copy_file s, d
|
|
File.utime st.atime, st.mtime, d if options[:preserve]
|
|
File.chmod options[:mode], d if options[:mode]
|
|
end
|
|
end
|
|
end
|
|
module_function :install
|
|
|
|
OPT_TABLE['install'] = [:mode, :preserve, :noop, :verbose]
|
|
|
|
#
|
|
# Options: noop verbose
|
|
#
|
|
# Changes permission bits on the named files (in +list+) to the bit pattern
|
|
# represented by +mode+.
|
|
#
|
|
# FileUtils.chmod 0755, 'somecommand'
|
|
# FileUtils.chmod 0644, %w(my.rb your.rb his.rb her.rb)
|
|
# FileUtils.chmod 0755, '/usr/bin/ruby', :verbose => true
|
|
#
|
|
def chmod(mode, list, options = {})
|
|
fu_check_options options, OPT_TABLE['chmod']
|
|
list = fu_list(list)
|
|
fu_output_message sprintf('chmod %o %s', mode, list.join(' ')) if options[:verbose]
|
|
return if options[:noop]
|
|
list.each do |path|
|
|
Entry_.new(path).chmod mode
|
|
end
|
|
end
|
|
module_function :chmod
|
|
|
|
OPT_TABLE['chmod'] = [:noop, :verbose]
|
|
|
|
#
|
|
# Options: noop verbose force
|
|
#
|
|
# Changes permission bits on the named files (in +list+)
|
|
# to the bit pattern represented by +mode+.
|
|
#
|
|
# FileUtils.chmod_R 0700, "/tmp/app.#{$$}"
|
|
#
|
|
def chmod_R(mode, list, options = {})
|
|
fu_check_options options, OPT_TABLE['chmod_R']
|
|
list = fu_list(list)
|
|
fu_output_message sprintf('chmod -R%s %o %s',
|
|
(options[:force] ? 'f' : ''),
|
|
mode, list.join(' ')) if options[:verbose]
|
|
return if options[:noop]
|
|
list.each do |root|
|
|
Entry_.new(root).traverse do |ent|
|
|
begin
|
|
ent.chmod mode
|
|
rescue
|
|
raise unless options[:force]
|
|
end
|
|
end
|
|
end
|
|
end
|
|
module_function :chmod_R
|
|
|
|
OPT_TABLE['chmod_R'] = [:noop, :verbose, :force]
|
|
|
|
#
|
|
# Options: noop verbose
|
|
#
|
|
# Changes owner and group on the named files (in +list+)
|
|
# to the user +user+ and the group +group+. +user+ and +group+
|
|
# may be an ID (Integer/String) or a name (String).
|
|
# If +user+ or +group+ is nil, this method does not change
|
|
# the attribute.
|
|
#
|
|
# FileUtils.chown 'root', 'staff', '/usr/local/bin/ruby'
|
|
# FileUtils.chown nil, 'bin', Dir.glob('/usr/bin/*'), :verbose => true
|
|
#
|
|
def chown(user, group, list, options = {})
|
|
fu_check_options options, OPT_TABLE['chown']
|
|
list = fu_list(list)
|
|
fu_output_message sprintf('chown %s%s',
|
|
[user,group].compact.join(':') + ' ',
|
|
list.join(' ')) if options[:verbose]
|
|
return if options[:noop]
|
|
uid = fu_get_uid(user)
|
|
gid = fu_get_gid(group)
|
|
list.each do |path|
|
|
Entry_.new(path).chown uid, gid
|
|
end
|
|
end
|
|
module_function :chown
|
|
|
|
OPT_TABLE['chown'] = [:noop, :verbose]
|
|
|
|
#
|
|
# Options: noop verbose force
|
|
#
|
|
# Changes owner and group on the named files (in +list+)
|
|
# to the user +user+ and the group +group+ recursively.
|
|
# +user+ and +group+ may be an ID (Integer/String) or
|
|
# a name (String). If +user+ or +group+ is nil, this
|
|
# method does not change the attribute.
|
|
#
|
|
# FileUtils.chown_R 'www', 'www', '/var/www/htdocs'
|
|
# FileUtils.chown_R 'cvs', 'cvs', '/var/cvs', :verbose => true
|
|
#
|
|
def chown_R(user, group, list, options = {})
|
|
fu_check_options options, OPT_TABLE['chown_R']
|
|
list = fu_list(list)
|
|
fu_output_message sprintf('chown -R%s %s%s',
|
|
(options[:force] ? 'f' : ''),
|
|
[user,group].compact.join(':') + ' ',
|
|
list.join(' ')) if options[:verbose]
|
|
return if options[:noop]
|
|
uid = fu_get_uid(user)
|
|
gid = fu_get_gid(group)
|
|
return unless uid or gid
|
|
list.each do |root|
|
|
Entry_.new(root).traverse do |ent|
|
|
begin
|
|
ent.chown uid, gid
|
|
rescue
|
|
raise unless options[:force]
|
|
end
|
|
end
|
|
end
|
|
end
|
|
module_function :chown_R
|
|
|
|
OPT_TABLE['chown_R'] = [:noop, :verbose, :force]
|
|
|
|
begin
|
|
require 'etc'
|
|
|
|
def fu_get_uid(user) #:nodoc:
|
|
return nil unless user
|
|
case user
|
|
when Integer
|
|
user
|
|
when /\A\d+\z/
|
|
user.to_i
|
|
else
|
|
Etc.getpwnam(user).uid
|
|
end
|
|
end
|
|
private_module_function :fu_get_uid
|
|
|
|
def fu_get_gid(group) #:nodoc:
|
|
return nil unless group
|
|
case group
|
|
when Integer
|
|
group
|
|
when /\A\d+\z/
|
|
group.to_i
|
|
else
|
|
Etc.getgrnam(group).gid
|
|
end
|
|
end
|
|
private_module_function :fu_get_gid
|
|
|
|
rescue LoadError
|
|
# need Win32 support???
|
|
|
|
def fu_get_uid(user) #:nodoc:
|
|
user # FIXME
|
|
end
|
|
private_module_function :fu_get_uid
|
|
|
|
def fu_get_gid(group) #:nodoc:
|
|
group # FIXME
|
|
end
|
|
private_module_function :fu_get_gid
|
|
end
|
|
|
|
#
|
|
# Options: noop verbose
|
|
#
|
|
# Updates modification time (mtime) and access time (atime) of file(s) in
|
|
# +list+. Files are created if they don't exist.
|
|
#
|
|
# FileUtils.touch 'timestamp'
|
|
# FileUtils.touch Dir.glob('*.c'); system 'make'
|
|
#
|
|
def touch(list, options = {})
|
|
fu_check_options options, OPT_TABLE['touch']
|
|
list = fu_list(list)
|
|
created = nocreate = options[:nocreate]
|
|
t = options[:mtime]
|
|
if options[:verbose]
|
|
fu_output_message "touch #{nocreate ? ' -c' : ''}#{t ? t.strftime(' -t %Y%m%d%H%M.%S') : ''}#{list.join ' '}"
|
|
end
|
|
return if options[:noop]
|
|
list.each do |path|
|
|
created = nocreate
|
|
begin
|
|
File.utime(t, t, path)
|
|
rescue Errno::ENOENT
|
|
raise if created
|
|
File.open(path, 'a') {
|
|
;
|
|
}
|
|
created = true
|
|
retry if t
|
|
end
|
|
end
|
|
end
|
|
module_function :touch
|
|
|
|
OPT_TABLE['touch'] = [:noop, :verbose, :mtime, :nocreate]
|
|
|
|
private
|
|
|
|
module StreamUtils_
|
|
private
|
|
|
|
def fu_windows?
|
|
/mswin|mingw|bccwin|emx/ =~ RUBY_PLATFORM
|
|
end
|
|
|
|
def fu_copy_stream0(src, dest, blksize = nil) #:nodoc:
|
|
IO.copy_stream(src, dest)
|
|
end
|
|
|
|
def fu_stream_blksize(*streams)
|
|
streams.each do |s|
|
|
next unless s.respond_to?(:stat)
|
|
size = fu_blksize(s.stat)
|
|
return size if size
|
|
end
|
|
fu_default_blksize()
|
|
end
|
|
|
|
def fu_blksize(st)
|
|
s = st.blksize
|
|
return nil unless s
|
|
return nil if s == 0
|
|
s
|
|
end
|
|
|
|
def fu_default_blksize
|
|
1024
|
|
end
|
|
end
|
|
|
|
include StreamUtils_
|
|
extend StreamUtils_
|
|
|
|
class Entry_ #:nodoc: internal use only
|
|
include StreamUtils_
|
|
|
|
def initialize(a, b = nil, deref = false)
|
|
@prefix = @rel = @path = nil
|
|
if b
|
|
@prefix = a
|
|
@rel = b
|
|
else
|
|
@path = a
|
|
end
|
|
@deref = deref
|
|
@stat = nil
|
|
@lstat = nil
|
|
end
|
|
|
|
def inspect
|
|
"\#<#{self.class} #{path()}>"
|
|
end
|
|
|
|
def path
|
|
if @path
|
|
File.path(@path)
|
|
else
|
|
join(@prefix, @rel)
|
|
end
|
|
end
|
|
|
|
def prefix
|
|
@prefix || @path
|
|
end
|
|
|
|
def rel
|
|
@rel
|
|
end
|
|
|
|
def dereference?
|
|
@deref
|
|
end
|
|
|
|
def exist?
|
|
lstat! ? true : false
|
|
end
|
|
|
|
def file?
|
|
s = lstat!
|
|
s and s.file?
|
|
end
|
|
|
|
def directory?
|
|
s = lstat!
|
|
s and s.directory?
|
|
end
|
|
|
|
def symlink?
|
|
s = lstat!
|
|
s and s.symlink?
|
|
end
|
|
|
|
def chardev?
|
|
s = lstat!
|
|
s and s.chardev?
|
|
end
|
|
|
|
def blockdev?
|
|
s = lstat!
|
|
s and s.blockdev?
|
|
end
|
|
|
|
def socket?
|
|
s = lstat!
|
|
s and s.socket?
|
|
end
|
|
|
|
def pipe?
|
|
s = lstat!
|
|
s and s.pipe?
|
|
end
|
|
|
|
S_IF_DOOR = 0xD000
|
|
|
|
def door?
|
|
s = lstat!
|
|
s and (s.mode & 0xF000 == S_IF_DOOR)
|
|
end
|
|
|
|
def entries
|
|
opts = {}
|
|
opts[:encoding] = "UTF-8" if /mswin|mignw/ =~ RUBY_PLATFORM
|
|
Dir.entries(path(), opts)\
|
|
.reject {|n| n == '.' or n == '..' }\
|
|
.map {|n| Entry_.new(prefix(), join(rel(), n.untaint)) }
|
|
end
|
|
|
|
def stat
|
|
return @stat if @stat
|
|
if lstat() and lstat().symlink?
|
|
@stat = File.stat(path())
|
|
else
|
|
@stat = lstat()
|
|
end
|
|
@stat
|
|
end
|
|
|
|
def stat!
|
|
return @stat if @stat
|
|
if lstat! and lstat!.symlink?
|
|
@stat = File.stat(path())
|
|
else
|
|
@stat = lstat!
|
|
end
|
|
@stat
|
|
rescue SystemCallError
|
|
nil
|
|
end
|
|
|
|
def lstat
|
|
if dereference?
|
|
@lstat ||= File.stat(path())
|
|
else
|
|
@lstat ||= File.lstat(path())
|
|
end
|
|
end
|
|
|
|
def lstat!
|
|
lstat()
|
|
rescue SystemCallError
|
|
nil
|
|
end
|
|
|
|
def chmod(mode)
|
|
if symlink?
|
|
File.lchmod mode, path() if have_lchmod?
|
|
else
|
|
File.chmod mode, path()
|
|
end
|
|
end
|
|
|
|
def chown(uid, gid)
|
|
if symlink?
|
|
File.lchown uid, gid, path() if have_lchown?
|
|
else
|
|
File.chown uid, gid, path()
|
|
end
|
|
end
|
|
|
|
def copy(dest)
|
|
case
|
|
when file?
|
|
copy_file dest
|
|
when directory?
|
|
if !File.exist?(dest) and descendant_diretory?(dest, path)
|
|
raise ArgumentError, "cannot copy directory %s to itself %s" % [path, dest]
|
|
end
|
|
begin
|
|
Dir.mkdir dest
|
|
rescue
|
|
raise unless File.directory?(dest)
|
|
end
|
|
when symlink?
|
|
File.symlink File.readlink(path()), dest
|
|
when chardev?
|
|
raise "cannot handle device file" unless File.respond_to?(:mknod)
|
|
mknod dest, ?c, 0666, lstat().rdev
|
|
when blockdev?
|
|
raise "cannot handle device file" unless File.respond_to?(:mknod)
|
|
mknod dest, ?b, 0666, lstat().rdev
|
|
when socket?
|
|
raise "cannot handle socket" unless File.respond_to?(:mknod)
|
|
mknod dest, nil, lstat().mode, 0
|
|
when pipe?
|
|
raise "cannot handle FIFO" unless File.respond_to?(:mkfifo)
|
|
mkfifo dest, 0666
|
|
when door?
|
|
raise "cannot handle door: #{path()}"
|
|
else
|
|
raise "unknown file type: #{path()}"
|
|
end
|
|
end
|
|
|
|
def copy_file(dest)
|
|
File.open(path()) do |s|
|
|
File.open(dest, 'wb') do |f|
|
|
IO.copy_stream(s, f)
|
|
end
|
|
end
|
|
end
|
|
|
|
def copy_metadata(path)
|
|
st = lstat()
|
|
File.utime st.atime, st.mtime, path
|
|
begin
|
|
File.chown st.uid, st.gid, path
|
|
rescue Errno::EPERM
|
|
# clear setuid/setgid
|
|
File.chmod st.mode & 01777, path
|
|
else
|
|
File.chmod st.mode, path
|
|
end
|
|
end
|
|
|
|
def remove
|
|
if directory?
|
|
remove_dir1
|
|
else
|
|
remove_file
|
|
end
|
|
end
|
|
|
|
def remove_dir1
|
|
platform_support {
|
|
Dir.rmdir path().sub(%r</\z>, '')
|
|
}
|
|
end
|
|
|
|
def remove_file
|
|
platform_support {
|
|
File.unlink path
|
|
}
|
|
end
|
|
|
|
def platform_support
|
|
return yield unless fu_windows?
|
|
first_time_p = true
|
|
begin
|
|
yield
|
|
rescue Errno::ENOENT
|
|
raise
|
|
rescue => err
|
|
if first_time_p
|
|
first_time_p = false
|
|
begin
|
|
File.chmod 0700, path() # Windows does not have symlink
|
|
retry
|
|
rescue SystemCallError
|
|
end
|
|
end
|
|
raise err
|
|
end
|
|
end
|
|
|
|
def preorder_traverse
|
|
stack = [self]
|
|
while ent = stack.pop
|
|
yield ent
|
|
stack.concat ent.entries.reverse if ent.directory?
|
|
end
|
|
end
|
|
|
|
alias traverse preorder_traverse
|
|
|
|
def postorder_traverse
|
|
if directory?
|
|
entries().each do |ent|
|
|
ent.postorder_traverse do |e|
|
|
yield e
|
|
end
|
|
end
|
|
end
|
|
yield self
|
|
end
|
|
|
|
private
|
|
|
|
$fileutils_rb_have_lchmod = nil
|
|
|
|
def have_lchmod?
|
|
# This is not MT-safe, but it does not matter.
|
|
if $fileutils_rb_have_lchmod == nil
|
|
$fileutils_rb_have_lchmod = check_have_lchmod?
|
|
end
|
|
$fileutils_rb_have_lchmod
|
|
end
|
|
|
|
def check_have_lchmod?
|
|
return false unless File.respond_to?(:lchmod)
|
|
File.lchmod 0
|
|
return true
|
|
rescue NotImplementedError
|
|
return false
|
|
end
|
|
|
|
$fileutils_rb_have_lchown = nil
|
|
|
|
def have_lchown?
|
|
# This is not MT-safe, but it does not matter.
|
|
if $fileutils_rb_have_lchown == nil
|
|
$fileutils_rb_have_lchown = check_have_lchown?
|
|
end
|
|
$fileutils_rb_have_lchown
|
|
end
|
|
|
|
def check_have_lchown?
|
|
return false unless File.respond_to?(:lchown)
|
|
File.lchown nil, nil
|
|
return true
|
|
rescue NotImplementedError
|
|
return false
|
|
end
|
|
|
|
def join(dir, base)
|
|
return File.path(dir) if not base or base == '.'
|
|
return File.path(base) if not dir or dir == '.'
|
|
File.join(dir, base)
|
|
end
|
|
|
|
if File::ALT_SEPARATOR
|
|
DIRECTORY_TERM = "(?=[/#{Regexp.quote(File::ALT_SEPARATOR)}]|\\z)".freeze
|
|
else
|
|
DIRECTORY_TERM = "(?=/|\\z)".freeze
|
|
end
|
|
SYSCASE = File::FNM_SYSCASE.nonzero? ? "-i" : ""
|
|
|
|
def descendant_diretory?(descendant, ascendant)
|
|
/\A(?#{SYSCASE}:#{Regexp.quote(ascendant)})#{DIRECTORY_TERM}/ =~ File.dirname(descendant)
|
|
end
|
|
end # class Entry_
|
|
|
|
def fu_list(arg) #:nodoc:
|
|
[arg].flatten.map {|path| File.path(path) }
|
|
end
|
|
private_module_function :fu_list
|
|
|
|
def fu_each_src_dest(src, dest) #:nodoc:
|
|
fu_each_src_dest0(src, dest) do |s, d|
|
|
raise ArgumentError, "same file: #{s} and #{d}" if fu_same?(s, d)
|
|
yield s, d, File.stat(s)
|
|
end
|
|
end
|
|
private_module_function :fu_each_src_dest
|
|
|
|
def fu_each_src_dest0(src, dest) #:nodoc:
|
|
if tmp = Array.try_convert(src)
|
|
tmp.each do |s|
|
|
s = File.path(s)
|
|
yield s, File.join(dest, File.basename(s))
|
|
end
|
|
else
|
|
src = File.path(src)
|
|
if File.directory?(dest)
|
|
yield src, File.join(dest, File.basename(src))
|
|
else
|
|
yield src, File.path(dest)
|
|
end
|
|
end
|
|
end
|
|
private_module_function :fu_each_src_dest0
|
|
|
|
def fu_same?(a, b) #:nodoc:
|
|
File.identical?(a, b)
|
|
end
|
|
private_module_function :fu_same?
|
|
|
|
def fu_check_options(options, optdecl) #:nodoc:
|
|
h = options.dup
|
|
optdecl.each do |opt|
|
|
h.delete opt
|
|
end
|
|
raise ArgumentError, "no such option: #{h.keys.join(' ')}" unless h.empty?
|
|
end
|
|
private_module_function :fu_check_options
|
|
|
|
def fu_update_option(args, new) #:nodoc:
|
|
if tmp = Hash.try_convert(args.last)
|
|
args[-1] = tmp.dup.update(new)
|
|
else
|
|
args.push new
|
|
end
|
|
args
|
|
end
|
|
private_module_function :fu_update_option
|
|
|
|
@fileutils_output = $stderr
|
|
@fileutils_label = ''
|
|
|
|
def fu_output_message(msg) #:nodoc:
|
|
@fileutils_output ||= $stderr
|
|
@fileutils_label ||= ''
|
|
@fileutils_output.puts @fileutils_label + msg
|
|
end
|
|
private_module_function :fu_output_message
|
|
|
|
#
|
|
# Returns an Array of method names which have any options.
|
|
#
|
|
# p FileUtils.commands #=> ["chmod", "cp", "cp_r", "install", ...]
|
|
#
|
|
def FileUtils.commands
|
|
OPT_TABLE.keys
|
|
end
|
|
|
|
#
|
|
# Returns an Array of option names.
|
|
#
|
|
# p FileUtils.options #=> ["noop", "force", "verbose", "preserve", "mode"]
|
|
#
|
|
def FileUtils.options
|
|
OPT_TABLE.values.flatten.uniq.map {|sym| sym.to_s }
|
|
end
|
|
|
|
#
|
|
# Returns true if the method +mid+ have an option +opt+.
|
|
#
|
|
# p FileUtils.have_option?(:cp, :noop) #=> true
|
|
# p FileUtils.have_option?(:rm, :force) #=> true
|
|
# p FileUtils.have_option?(:rm, :perserve) #=> false
|
|
#
|
|
def FileUtils.have_option?(mid, opt)
|
|
li = OPT_TABLE[mid.to_s] or raise ArgumentError, "no such method: #{mid}"
|
|
li.include?(opt)
|
|
end
|
|
|
|
#
|
|
# Returns an Array of option names of the method +mid+.
|
|
#
|
|
# p FileUtils.options(:rm) #=> ["noop", "verbose", "force"]
|
|
#
|
|
def FileUtils.options_of(mid)
|
|
OPT_TABLE[mid.to_s].map {|sym| sym.to_s }
|
|
end
|
|
|
|
#
|
|
# Returns an Array of method names which have the option +opt+.
|
|
#
|
|
# p FileUtils.collect_method(:preserve) #=> ["cp", "cp_r", "copy", "install"]
|
|
#
|
|
def FileUtils.collect_method(opt)
|
|
OPT_TABLE.keys.select {|m| OPT_TABLE[m].include?(opt) }
|
|
end
|
|
|
|
METHODS = singleton_methods() - [:private_module_function,
|
|
:commands, :options, :have_option?, :options_of, :collect_method]
|
|
|
|
#
|
|
# This module has all methods of FileUtils module, but it outputs messages
|
|
# before acting. This equates to passing the <tt>:verbose</tt> flag to
|
|
# methods in FileUtils.
|
|
#
|
|
module Verbose
|
|
include FileUtils
|
|
@fileutils_output = $stderr
|
|
@fileutils_label = ''
|
|
::FileUtils.collect_method(:verbose).each do |name|
|
|
module_eval(<<-EOS, __FILE__, __LINE__ + 1)
|
|
def #{name}(*args)
|
|
super(*fu_update_option(args, :verbose => true))
|
|
end
|
|
private :#{name}
|
|
EOS
|
|
end
|
|
extend self
|
|
class << self
|
|
::FileUtils::METHODS.each do |m|
|
|
public m
|
|
end
|
|
end
|
|
end
|
|
|
|
#
|
|
# This module has all methods of FileUtils module, but never changes
|
|
# files/directories. This equates to passing the <tt>:noop</tt> flag
|
|
# to methods in FileUtils.
|
|
#
|
|
module NoWrite
|
|
include FileUtils
|
|
@fileutils_output = $stderr
|
|
@fileutils_label = ''
|
|
::FileUtils.collect_method(:noop).each do |name|
|
|
module_eval(<<-EOS, __FILE__, __LINE__ + 1)
|
|
def #{name}(*args)
|
|
super(*fu_update_option(args, :noop => true))
|
|
end
|
|
private :#{name}
|
|
EOS
|
|
end
|
|
extend self
|
|
class << self
|
|
::FileUtils::METHODS.each do |m|
|
|
public m
|
|
end
|
|
end
|
|
end
|
|
|
|
#
|
|
# This module has all methods of FileUtils module, but never changes
|
|
# files/directories, with printing message before acting.
|
|
# This equates to passing the <tt>:noop</tt> and <tt>:verbose</tt> flag
|
|
# to methods in FileUtils.
|
|
#
|
|
module DryRun
|
|
include FileUtils
|
|
@fileutils_output = $stderr
|
|
@fileutils_label = ''
|
|
::FileUtils.collect_method(:noop).each do |name|
|
|
module_eval(<<-EOS, __FILE__, __LINE__ + 1)
|
|
def #{name}(*args)
|
|
super(*fu_update_option(args, :noop => true, :verbose => true))
|
|
end
|
|
private :#{name}
|
|
EOS
|
|
end
|
|
extend self
|
|
class << self
|
|
::FileUtils::METHODS.each do |m|
|
|
public m
|
|
end
|
|
end
|
|
end
|
|
|
|
end
|