зеркало из https://github.com/github/ruby.git
228 строки
4.3 KiB
Ruby
228 строки
4.3 KiB
Ruby
#
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# = un.rb
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#
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# Copyright (c) 2003 WATANABE Hirofumi <eban@ruby-lang.org>
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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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# == Utilities to replace common UNIX commands in Makefiles etc
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#
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# == SYNOPSIS
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#
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# ruby -run -e cp -- [OPTION] SOURCE DEST
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# ruby -run -e ln -- [OPTION] TARGET LINK_NAME
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# ruby -run -e mv -- [OPTION] SOURCE DEST
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# ruby -run -e rm -- [OPTION] FILE
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# ruby -run -e mkdir -- [OPTION] DIRS
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# ruby -run -e rmdir -- [OPTION] DIRS
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# ruby -run -e install -- [OPTION] SOURCE DEST
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# ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE
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# ruby -run -e touch -- [OPTION] FILE
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# ruby -run -e help [COMMAND]
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require 'fileutils'
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require 'getopts'
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module FileUtils
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# @fileutils_label = ''
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@fileutils_output = $stdout
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end
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def setup(options = "")
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options += "v"
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ARGV.map! do |x|
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case x
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when /^-/
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x.delete "^-#{options}"
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when /[*?\[{]/
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Dir[x]
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else
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x
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end
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end
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ARGV.flatten!
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ARGV.delete_if{|x| x == '-'}
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getopts(options)
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options = {}
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options[:verbose] = true if $OPT["v"]
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options[:force] = true if $OPT["f"]
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options[:preserve] = true if $OPT["p"]
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yield ARGV, options, $OPT
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end
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##
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# Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY
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#
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# ruby -run -e cp -- [OPTION] SOURCE DEST
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#
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# -p preserve file attributes if possible
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# -r copy recursively
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# -v verbose
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#
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def cp
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setup("pr") do |argv, options, opt|
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cmd = "cp"
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cmd += "_r" if opt["r"]
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dest = argv.pop
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argv = argv[0] if argv.size == 1
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FileUtils.send cmd, argv, dest, options
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end
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end
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##
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# Create a link to the specified TARGET with LINK_NAME.
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#
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# ruby -run -e ln -- [OPTION] TARGET LINK_NAME
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#
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# -s make symbolic links instead of hard links
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# -f remove existing destination files
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# -v verbose
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#
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def ln
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setup("sf") do |argv, options, opt|
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cmd = "ln"
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cmd += "_s" if opt["s"]
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dest = argv.pop
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argv = argv[0] if argv.size == 1
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FileUtils.send cmd, argv, dest, options
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end
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end
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##
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# Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.
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#
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# ruby -run -e mv -- [OPTION] SOURCE DEST
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#
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# -v verbose
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#
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def mv
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setup do |argv, options|
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dest = argv.pop
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argv = argv[0] if argv.size == 1
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FileUtils.mv argv, dest, options
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end
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end
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##
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# Remove the FILE
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#
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# ruby -run -e rm -- [OPTION] FILE
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#
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# -f ignore nonexistent files
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# -r remove the contents of directories recursively
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# -v verbose
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#
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def rm
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setup("fr") do |argv, options, opt|
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cmd = "rm"
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cmd += "_r" if opt["r"]
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FileUtils.send cmd, argv, options
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end
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end
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##
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# Create the DIR, if they do not already exist.
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#
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# ruby -run -e mkdir -- [OPTION] DIR
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#
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# -p no error if existing, make parent directories as needed
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# -v verbose
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#
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def mkdir
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setup("p") do |argv, options, opt|
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cmd = "mkdir"
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cmd += "_p" if options.delete :preserve
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FileUtils.send cmd, argv, options
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end
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end
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##
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# Remove the DIR.
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#
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# ruby -run -e rmdir -- [OPTION] DIR
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#
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# -v verbose
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#
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def rmdir
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setup do |argv, options|
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FileUtils.rmdir argv, options
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end
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end
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##
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# Copy SOURCE to DEST.
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#
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# ruby -run -e install -- [OPTION] SOURCE DEST
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#
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# -p apply access/modification times of SOURCE files to
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# corresponding destination files
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# -m set permission mode (as in chmod), instead of 0755
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# -v verbose
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#
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def install
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setup("pm:") do |argv, options, opt|
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options[:mode] = opt["m"] ? opt["m"].oct : 0755
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dest = argv.pop
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argv = argv[0] if argv.size == 1
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FileUtils.install argv, dest, options
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end
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end
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##
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# Change the mode of each FILE to OCTAL-MODE.
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#
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# ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE
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#
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# -v verbose
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#
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def chmod
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setup do |argv, options|
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mode = argv.shift.oct
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FileUtils.chmod mode, argv, options
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end
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end
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##
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# Update the access and modification times of each FILE to the current time.
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#
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# ruby -run -e touch -- [OPTION] FILE
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#
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# -v verbose
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#
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def touch
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setup do |argv, options|
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FileUtils.touch argv, options
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end
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end
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##
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# Display help message.
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#
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# ruby -run -e help [COMMAND]
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#
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def help
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setup do |argv,|
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all = argv.empty?
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open(__FILE__) do |me|
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while me.gets("##\n")
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if help = me.gets("\n\n")
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if all or argv.delete help[/-e \w+/].sub(/-e /, "")
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print help.gsub(/^# ?/, "")
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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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end
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