зеркало из https://github.com/github/ruby.git
860 строки
23 KiB
Ruby
860 строки
23 KiB
Ruby
#
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# = fileutils.rb
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#
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# Copyright (c) 2000-2003 Minero Aoki <aamine@loveruby.net>
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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_p( dir, options )
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# rmdir( dir, 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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# 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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# +:force+, +:noop+, +:preserve+, and +:verbose+. +:noop+ means that no changes
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# are made. The other two are obvious. Each method documents the options that
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# 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 does not accept any option:
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#
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# uptodate?( file, cmp_list )
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# copy_file( srcfilename, destfilename )
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# copy_stream( srcstream, deststream )
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# compare_file( file_a, file_b )
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# compare_stream( stream_a, stream_b )
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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 +:verbose+ flag to methods in
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# 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 +:noop+ flag to methods in
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# FileUtils.
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#
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module FileUtils
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# All methods are module_function.
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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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alias getwd pwd
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#
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# Options: noop 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, :noop, :verbose
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fu_output_message "cd #{dir}" if options[:verbose]
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Dir.chdir(dir, &block) unless options[:noop]
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fu_output_message 'cd -' if options[:verbose] and block
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end
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alias chdir cd
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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 FileTest.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 FileTest.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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#
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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, :mode, :noop, :verbose
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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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mode = options[:mode] || (0777 & ~File.umask)
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list.each do |dir|
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Dir.mkdir dir, mode
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end
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end
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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, :mode, :noop, :verbose
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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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mode = options[:mode] || (0777 & ~File.umask)
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list.map {|n| File.expand_path(n) }.each do |dir|
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stack = []
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until FileTest.directory?(dir)
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stack.push dir
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dir = File.dirname(dir)
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end
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stack.reverse_each do |n|
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Dir.mkdir n, mode
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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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alias mkpath mkdir_p
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alias makedirs mkdir_p
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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, :noop, :verbose
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list = fu_list(list)
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fu_output_message "rmdir #{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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Dir.rmdir dir
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end
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end
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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 symbolic 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 '/bin'
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# ln %w(cp mv mkdir), '/usr/bin' # Now /usr/bin/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, :force, :noop, :verbose
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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_dest(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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alias link ln
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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, :force, :noop, :verbose
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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_dest(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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alias symlink ln_s
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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, :noop, :verbose
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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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#
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# Options: preserve noop verbose
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#
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# Copies a file +src+ to +dest+. If +dest+ is a directory, copies
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# +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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#
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def cp( src, dest, options = {} )
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fu_check_options options, :preserve, :noop, :verbose
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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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fu_preserve_attr(options[:preserve], s, d) {
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copy_file s, d
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}
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end
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end
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alias copy cp
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#
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# Options: preserve noop verbose
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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, :verbose
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#
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def cp_r( src, dest, options = {} )
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fu_check_options options, :preserve, :noop, :verbose
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fu_output_message "cp -r#{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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if FileTest.directory?(s)
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fu_copy_dir s, d, '.', options[:preserve]
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else
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fu_p_copy s, d, options[:preserve]
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end
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end
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end
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def fu_copy_dir( src, dest, rel, preserve ) #:nodoc:
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fu_preserve_attr(preserve, "#{src}/#{rel}", "#{dest}/#{rel}") {|s,d|
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dir = File.expand_path(d) # to remove '/./'
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Dir.mkdir dir unless FileTest.directory? dir
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}
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Dir.entries("#{src}/#{rel}").each do |fname|
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if FileTest.directory? File.join(src,rel,fname)
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next if /\A\.\.?\z/ === fname
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fu_copy_dir src, dest, "#{rel}/#{fname}", preserve
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else
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fu_p_copy File.join(src,rel,fname), File.join(dest,rel,fname), preserve
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end
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end
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end
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private :fu_copy_dir
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def fu_p_copy( src, dest, really ) #:nodoc:
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fu_preserve_attr(really, src, dest) {
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copy_file src, dest
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}
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end
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private :fu_p_copy
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def fu_preserve_attr( really, src, dest ) #:nodoc:
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unless really
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yield src, dest
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return
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end
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st = File.stat(src)
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yield src, dest
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File.utime st.atime, st.mtime, dest
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begin
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File.chown st.uid, st.gid, dest
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rescue Errno::EPERM
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File.chmod st.mode & 01777, dest # clear setuid/setgid
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else
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File.chmod st.mode, dest
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end
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end
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private :fu_preserve_attr
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#
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# Copies file +src+ to +dest+.
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# Both of +src+ and +dest+ must be a filename.
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#
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def copy_file( src, dest )
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File.open(src, 'rb') {|r|
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File.open(dest, 'wb') {|w|
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copy_stream r, w
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} }
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end
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#
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# Copies stream +src+ to +dest+.
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# Both of +src+ and +dest+ must be a IO.
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#
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def copy_stream( src, dest )
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bsize = fu_stream_blksize(src, dest)
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begin
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while true
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dest.syswrite src.sysread(bsize)
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end
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rescue EOFError
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end
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end
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#
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# Options: 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 instead.
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#
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# FileUtils.mv 'badname.rb', 'goodname.rb'
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# FileUtils.mv 'stuff.rb', 'lib/ruby', :force => true
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#
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# FileUtils.mv %w(junk.txt dust.txt), '/home/aamine/.trash/'
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# FileUtils.mv Dir.glob('test*.rb'), 'test', :noop, :verbose => true
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#
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def mv( src, dest, options = {} )
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fu_check_options options, :noop, :verbose
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fu_output_message "mv #{[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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if cannot_overwrite_file? and FileTest.file?(d)
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File.unlink d
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end
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begin
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File.rename s, d
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rescue
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if FileTest.symlink?(s)
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File.symlink File.readlink(s), dest
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File.unlink s
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else
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st = File.stat(s)
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copy_file s, d
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File.unlink s
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File.utime st.atime, st.mtime, d
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begin
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File.chown st.uid, st.gid, d
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rescue
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# ignore
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end
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end
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end
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end
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end
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alias move mv
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def cannot_overwrite_file? #:nodoc:
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/djgpp|cygwin|mswin32/ === RUBY_PLATFORM
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end
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private :cannot_overwrite_file?
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#
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# Options: force noop verbose
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#
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# Remove file(s) specified in +list+. This method cannot remove directories.
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# All errors are ignored when the :force option is set.
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#
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# FileUtils.rm %w( junk.txt dust.txt )
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# FileUtils.rm Dir.glob('*.so')
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# FileUtils.rm 'NotExistFile', :force => true # never raises exception
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#
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def rm( list, options = {} )
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fu_check_options options, :force, :noop, :verbose
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list = fu_list(list)
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fu_output_message "rm#{options[:force] ? ' -f' : ''} #{list.join ' '}" if options[:verbose]
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return if options[:noop]
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list.each do |fname|
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remove_file fname, options[:force]
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end
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end
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alias remove rm
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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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# #rm(list, :force)
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#
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def rm_f( list, options = {} )
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fu_check_options options, :noop, :verbose
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options = options.dup
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options[:force] = true
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rm list, options
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end
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alias safe_unlink rm_f
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#
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# Options: force noop verbose
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#
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# remove files +list+[0] +list+[1]... If +list+[n] is a directory,
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# removes its all contents recursively. This method ignores
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# StandardError when :force option is set.
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#
|
|
# FileUtils.rm_r Dir.glob('/tmp/*')
|
|
# FileUtils.rm_r '/', :force => true # :-)
|
|
#
|
|
def rm_r( list, options = {} )
|
|
fu_check_options options, :force, :noop, :verbose
|
|
list = fu_list(list)
|
|
fu_output_message "rm -r#{options[:force] ? 'f' : ''} #{list.join ' '}" if options[:verbose]
|
|
return if options[:noop]
|
|
|
|
list.each do |fname|
|
|
begin
|
|
st = File.lstat(fname)
|
|
rescue
|
|
next if options[:force]
|
|
raise
|
|
end
|
|
if st.symlink? then remove_file fname, options[:force]
|
|
elsif st.directory? then remove_dir fname, options[:force]
|
|
else remove_file fname, options[:force]
|
|
end
|
|
end
|
|
end
|
|
|
|
#
|
|
# Options: noop verbose
|
|
#
|
|
# Same as
|
|
# #rm_r(list, :force => true)
|
|
#
|
|
def rm_rf( list, options = {} )
|
|
fu_check_options options, :noop, :verbose
|
|
options = options.dup
|
|
options[:force] = true
|
|
rm_r list, options
|
|
end
|
|
|
|
alias rmtree rm_rf
|
|
|
|
def remove_file( fname, force = false ) #:nodoc:
|
|
first_time_p = true
|
|
begin
|
|
File.unlink fname
|
|
rescue Errno::ENOENT
|
|
raise unless force
|
|
rescue
|
|
if first_time_p
|
|
# try once more for Windows
|
|
first_time_p = false
|
|
File.chmod 0777, fname
|
|
retry
|
|
end
|
|
raise
|
|
end
|
|
end
|
|
|
|
def remove_dir( dir, force = false ) #:nodoc:
|
|
Dir.foreach(dir) do |file|
|
|
next if /\A\.\.?\z/ === file
|
|
path = "#{dir}/#{file}"
|
|
if FileTest.directory? path
|
|
remove_dir path, force
|
|
else
|
|
remove_file path, force
|
|
end
|
|
end
|
|
begin
|
|
Dir.rmdir dir
|
|
rescue Errno::ENOENT
|
|
raise unless force
|
|
end
|
|
end
|
|
|
|
|
|
#
|
|
# 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
|
|
|
|
alias identical? compare_file
|
|
alias cmp compare_file
|
|
|
|
#
|
|
# 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
|
|
|
|
|
|
#
|
|
# Options: mode 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+.
|
|
#
|
|
# 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, :mode, :preserve, :noop, :verbose
|
|
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|
|
|
unless FileTest.exist?(d) and compare_file(s,d)
|
|
remove_file d, true
|
|
st = File.stat(s) if options[:preserve]
|
|
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
|
|
|
|
|
|
#
|
|
# 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, :noop, :verbose
|
|
list = fu_list(list)
|
|
fu_output_message sprintf('chmod %o %s', mode, list.join(' ')) if options[:verbose]
|
|
return if options[:noop]
|
|
File.chmod mode, *list
|
|
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, :noop, :verbose
|
|
list = fu_list(list)
|
|
fu_output_message "touch #{list.join ' '}" if options[:verbose]
|
|
return if options[:noop]
|
|
|
|
t = Time.now
|
|
list.each do |fname|
|
|
begin
|
|
File.utime(t, t, fname)
|
|
rescue Errno::ENOENT
|
|
File.open(fname, 'a') {
|
|
;
|
|
}
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def fu_check_options( options, *optdecl )
|
|
h = options.dup
|
|
optdecl.each do |name|
|
|
h.delete name
|
|
end
|
|
raise ArgumentError, "no such option: #{h.keys.join(' ')}" unless h.empty?
|
|
end
|
|
|
|
def fu_list( arg )
|
|
Array === arg ? arg : [arg]
|
|
end
|
|
|
|
def fu_each_src_dest( src, dest )
|
|
unless Array === src
|
|
yield src, fu_dest_filename(src, dest)
|
|
else
|
|
dir = dest
|
|
# FileTest.directory? dir or raise ArgumentError, "must be dir: #{dir}"
|
|
dir += (dir[-1,1] == '/') ? '' : '/'
|
|
src.each do |fname|
|
|
yield fname, dir + File.basename(fname)
|
|
end
|
|
end
|
|
end
|
|
|
|
def fu_dest_filename( src, dest )
|
|
if FileTest.directory? dest
|
|
(dest[-1,1] == '/' ? dest : dest + '/') + File.basename(src)
|
|
else
|
|
dest
|
|
end
|
|
end
|
|
|
|
def fu_stream_blksize( *streams )
|
|
streams.each do |s|
|
|
next unless s.respond_to?(:stat)
|
|
size = s.stat.blksize
|
|
return size unless size.nil? or size.zero?
|
|
end
|
|
1024
|
|
end
|
|
|
|
@fileutils_output = $stderr
|
|
@fileutils_label = ''
|
|
|
|
def fu_output_message( msg )
|
|
@fileutils_output ||= $stderr
|
|
@fileutils_label ||= ''
|
|
@fileutils_output.puts @fileutils_label + msg
|
|
end
|
|
|
|
def fu_update_option( args, new )
|
|
if Hash === args.last
|
|
args.last.update new
|
|
else
|
|
args.push new
|
|
end
|
|
args
|
|
end
|
|
|
|
|
|
extend self
|
|
|
|
|
|
OPT_TABLE = {
|
|
'pwd' => %w(),
|
|
'cd' => %w( noop verbose ),
|
|
'chdir' => %w( noop verbose ),
|
|
'chmod' => %w( noop verbose ),
|
|
'copy' => %w( preserve noop verbose ),
|
|
'cp' => %w( preserve noop verbose ),
|
|
'cp_r' => %w( preserve noop verbose ),
|
|
'install' => %w( preserve mode noop verbose ),
|
|
'link' => %w( force noop verbose ),
|
|
'ln' => %w( force noop verbose ),
|
|
'ln_s' => %w( force noop verbose ),
|
|
'ln_sf' => %w( noop verbose ),
|
|
'makedirs' => %w( noop verbose ),
|
|
'mkdir' => %w( mode noop verbose ),
|
|
'mkdir_p' => %w( mode noop verbose ),
|
|
'mkpath' => %w( noop verbose ),
|
|
'move' => %w( noop verbose ),
|
|
'mv' => %w( noop verbose ),
|
|
'remove' => %w( force noop verbose ),
|
|
'rm' => %w( force noop verbose ),
|
|
'rm_f' => %w( noop verbose ),
|
|
'rm_r' => %w( force noop verbose ),
|
|
'rm_rf' => %w( noop verbose ),
|
|
'rmtree' => %w( noop verbose ),
|
|
'rmdir' => %w( noop verbose ),
|
|
'safe_unlink' => %w( noop verbose ),
|
|
'symlink' => %w( force noop verbose ),
|
|
'touch' => %w( noop verbose )
|
|
}
|
|
|
|
|
|
#
|
|
# This module has all methods of FileUtils module, but it outputs messages
|
|
# before acting. This equates to passing the +:verbose+ flag to methods in
|
|
# FileUtils.
|
|
#
|
|
module Verbose
|
|
|
|
include FileUtils
|
|
|
|
@fileutils_output = $stderr
|
|
@fileutils_label = ''
|
|
@fileutils_verbose = true
|
|
|
|
FileUtils::OPT_TABLE.each do |name, opts|
|
|
next unless opts.include?('verbose')
|
|
module_eval(<<-EOS, __FILE__, __LINE__ + 1)
|
|
def #{name}( *args )
|
|
@fileutils_verbose = true unless defined?(@fileutils_verbose)
|
|
super(*fu_update_option(args, :verbose => @fileutils_verbose))
|
|
end
|
|
EOS
|
|
end
|
|
|
|
extend self
|
|
|
|
end
|
|
|
|
|
|
#
|
|
# This module has all methods of FileUtils module, but never changes
|
|
# files/directories. This equates to passing the +:noop+ flag to methods in
|
|
# FileUtils.
|
|
#
|
|
module NoWrite
|
|
|
|
include FileUtils
|
|
|
|
@fileutils_output = $stderr
|
|
@fileutils_label = ''
|
|
@fileutils_nowrite = true
|
|
|
|
FileUtils::OPT_TABLE.each do |name, opts|
|
|
next unless opts.include? 'noop'
|
|
module_eval(<<-EOS, __FILE__, __LINE__ + 1)
|
|
def #{name}( *args )
|
|
unless defined?(@fileutils_nowrite)
|
|
@fileutils_nowrite ||= true
|
|
end
|
|
super(*fu_update_option(args, :noop => true))
|
|
end
|
|
EOS
|
|
end
|
|
|
|
extend self
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
# Documentation comments:
|
|
# - Some RDoc markup used here doesn't work (namely, +file1+, +:noop+,
|
|
# +dir/file+). I consider this a bug and expect that these will be valid in
|
|
# the near future.
|