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# frozen_string_literal: false # # = un.rb # # Copyright (c) 2003 WATANABE Hirofumi <eban@ruby-lang.org> # # This program is free software. # You can distribute/modify this program under the same terms of Ruby. # # == Utilities to replace common UNIX commands in Makefiles etc # # == SYNOPSIS # # ruby -run -e cp -- [OPTION] SOURCE DEST # ruby -run -e ln -- [OPTION] TARGET LINK_NAME # ruby -run -e mv -- [OPTION] SOURCE DEST # ruby -run -e rm -- [OPTION] FILE # ruby -run -e mkdir -- [OPTION] DIRS # ruby -run -e rmdir -- [OPTION] DIRS # ruby -run -e install -- [OPTION] SOURCE DEST # ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE # ruby -run -e touch -- [OPTION] FILE # ruby -run -e wait_writable -- [OPTION] FILE # ruby -run -e mkmf -- [OPTION] EXTNAME [OPTION] # ruby -run -e httpd -- [OPTION] [DocumentRoot] # ruby -run -e colorize -- [FILE] # ruby -run -e help [COMMAND] require "fileutils" require "optparse" module FileUtils # @fileutils_label = "" @fileutils_output = $stdout end # :nodoc: def setup(options = "", *long_options) caller = caller_locations(1, 1)[0].label opt_hash = {} argv = [] OptionParser.new do |o| options.scan(/.:?/) do |s| opt_name = s.delete(":").intern o.on("-" + s.tr(":", " ")) do |val| opt_hash[opt_name] = val end end long_options.each do |s| opt_name, arg_name = s.split(/(?=[\s=])/, 2) opt_name.delete_prefix!('--') s = "--#{opt_name.gsub(/([A-Z]+|[a-z])([A-Z])/, '\1-\2').downcase}#{arg_name}" puts "#{opt_name}=>#{s}" if $DEBUG opt_name = opt_name.intern o.on(s) do |val| opt_hash[opt_name] = val end end o.on("-v") do opt_hash[:verbose] = true end o.on("--help") do UN.help([caller]) exit end o.order!(ARGV) do |x| if /[*?\[{]/ =~ x argv.concat(Dir[x]) else argv << x end end end yield argv, opt_hash end ## # Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY # # ruby -run -e cp -- [OPTION] SOURCE DEST # # -p preserve file attributes if possible # -r copy recursively # -v verbose # def cp setup("pr") do |argv, options| cmd = "cp" cmd += "_r" if options.delete :r options[:preserve] = true if options.delete :p dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.__send__ cmd, argv, dest, **options end end ## # Create a link to the specified TARGET with LINK_NAME. # # ruby -run -e ln -- [OPTION] TARGET LINK_NAME # # -s make symbolic links instead of hard links # -f remove existing destination files # -v verbose # def ln setup("sf") do |argv, options| cmd = "ln" cmd += "_s" if options.delete :s options[:force] = true if options.delete :f dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.__send__ cmd, argv, dest, **options end end ## # Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY. # # ruby -run -e mv -- [OPTION] SOURCE DEST # # -v verbose # def mv setup do |argv, options| dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.mv argv, dest, **options end end ## # Remove the FILE # # ruby -run -e rm -- [OPTION] FILE # # -f ignore nonexistent files # -r remove the contents of directories recursively # -v verbose # def rm setup("fr") do |argv, options| cmd = "rm" cmd += "_r" if options.delete :r options[:force] = true if options.delete :f FileUtils.__send__ cmd, argv, **options end end ## # Create the DIR, if they do not already exist. # # ruby -run -e mkdir -- [OPTION] DIR # # -p no error if existing, make parent directories as needed # -v verbose # def mkdir setup("p") do |argv, options| cmd = "mkdir" cmd += "_p" if options.delete :p FileUtils.__send__ cmd, argv, **options end end ## # Remove the DIR. # # ruby -run -e rmdir -- [OPTION] DIR # # -p remove DIRECTORY and its ancestors. # -v verbose # def rmdir setup("p") do |argv, options| options[:parents] = true if options.delete :p FileUtils.rmdir argv, **options end end ## # Copy SOURCE to DEST. # # ruby -run -e install -- [OPTION] SOURCE DEST # # -p apply access/modification times of SOURCE files to # corresponding destination files # -m set permission mode (as in chmod), instead of 0755 # -o set owner user id, instead of the current owner # -g set owner group id, instead of the current group # -v verbose # def install setup("pm:o:g:") do |argv, options| (mode = options.delete :m) and options[:mode] = /\A\d/ =~ mode ? mode.oct : mode options[:preserve] = true if options.delete :p (owner = options.delete :o) and options[:owner] = owner (group = options.delete :g) and options[:group] = group dest = argv.pop argv = argv[0] if argv.size == 1 FileUtils.install argv, dest, **options end end ## # Change the mode of each FILE to OCTAL-MODE. # # ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE # # -v verbose # def chmod setup do |argv, options| mode = argv.shift mode = /\A\d/ =~ mode ? mode.oct : mode FileUtils.chmod mode, argv, **options end end ## # Update the access and modification times of each FILE to the current time. # # ruby -run -e touch -- [OPTION] FILE # # -v verbose # def touch setup do |argv, options| FileUtils.touch argv, **options end end ## # Wait until the file becomes writable. # # ruby -run -e wait_writable -- [OPTION] FILE # # -n RETRY count to retry # -w SEC each wait time in seconds # -v verbose # def wait_writable setup("n:w:v") do |argv, options| verbose = options[:verbose] n = options[:n] and n = Integer(n) wait = (wait = options[:w]) ? Float(wait) : 0.2 argv.each do |file| begin open(file, "r+b") rescue Errno::ENOENT break rescue Errno::EACCES => e raise if n and (n -= 1) <= 0 if verbose puts e STDOUT.flush end sleep wait retry end end end end ## # Create makefile using mkmf. # # ruby -run -e mkmf -- [OPTION] EXTNAME [OPTION] # # -d ARGS run dir_config # -h ARGS run have_header # -l ARGS run have_library # -f ARGS run have_func # -v ARGS run have_var # -t ARGS run have_type # -m ARGS run have_macro # -c ARGS run have_const # --vendor install to vendor_ruby # def mkmf setup("d:h:l:f:v:t:m:c:", "vendor") do |argv, options| require 'mkmf' opt = options[:d] and opt.split(/:/).each {|n| dir_config(*n.split(/,/))} opt = options[:h] and opt.split(/:/).each {|n| have_header(*n.split(/,/))} opt = options[:l] and opt.split(/:/).each {|n| have_library(*n.split(/,/))} opt = options[:f] and opt.split(/:/).each {|n| have_func(*n.split(/,/))} opt = options[:v] and opt.split(/:/).each {|n| have_var(*n.split(/,/))} opt = options[:t] and opt.split(/:/).each {|n| have_type(*n.split(/,/))} opt = options[:m] and opt.split(/:/).each {|n| have_macro(*n.split(/,/))} opt = options[:c] and opt.split(/:/).each {|n| have_const(*n.split(/,/))} $configure_args["--vendor"] = true if options[:vendor] create_makefile(*argv) end end ## # Run WEBrick HTTP server. # # ruby -run -e httpd -- [OPTION] [DocumentRoot] # # --bind-address=ADDR address to bind # --port=NUM listening port number # --max-clients=MAX max number of simultaneous clients # --temp-dir=DIR temporary directory # --do-not-reverse-lookup disable reverse lookup # --request-timeout=SECOND request timeout in seconds # --http-version=VERSION HTTP version # --server-name=NAME name of the server host # --server-software=NAME name and version of the server # --ssl-certificate=CERT The SSL certificate file for the server # --ssl-private-key=KEY The SSL private key file for the server certificate # -v verbose # def httpd setup("", "BindAddress=ADDR", "Port=PORT", "MaxClients=NUM", "TempDir=DIR", "DoNotReverseLookup", "RequestTimeout=SECOND", "HTTPVersion=VERSION", "ServerName=NAME", "ServerSoftware=NAME", "SSLCertificate=CERT", "SSLPrivateKey=KEY") do |argv, options| begin require 'webrick' rescue LoadError abort "webrick is not found. You may need to `gem install webrick` to install webrick." end opt = options[:RequestTimeout] and options[:RequestTimeout] = opt.to_i [:Port, :MaxClients].each do |name| opt = options[name] and (options[name] = Integer(opt)) rescue nil end if cert = options[:SSLCertificate] key = options[:SSLPrivateKey] or raise "--ssl-private-key option must also be given" require 'webrick/https' options[:SSLEnable] = true options[:SSLCertificate] = OpenSSL::X509::Certificate.new(File.read(cert)) options[:SSLPrivateKey] = OpenSSL::PKey.read(File.read(key)) options[:Port] ||= 8443 # HTTPS Alternate end options[:Port] ||= 8080 # HTTP Alternate options[:DocumentRoot] = argv.shift || '.' s = nil options[:StartCallback] = proc { logger = s.logger logger.info("To access this server, open this URL in a browser:") s.listeners.each do |listener| if options[:SSLEnable] addr = listener.addr addr[3] = "127.0.0.1" if addr[3] == "0.0.0.0" addr[3] = "::1" if addr[3] == "::" logger.info(" https://#{Addrinfo.new(addr).inspect_sockaddr}") else logger.info(" http://#{listener.connect_address.inspect_sockaddr}") end end } s = WEBrick::HTTPServer.new(options) shut = proc {s.shutdown} siglist = %w"TERM QUIT" siglist.concat(%w"HUP INT") if STDIN.tty? siglist &= Signal.list.keys siglist.each do |sig| Signal.trap(sig, shut) end s.start end end ## # Colorize ruby code. # # ruby -run -e colorize -- [FILE] # def colorize begin require "irb/color" rescue LoadError raise "colorize requires irb 1.1.0 or later" end setup do |argv, | if argv.empty? puts IRB::Color.colorize_code STDIN.read return end argv.each do |file| puts IRB::Color.colorize_code File.read(file) end end end ## # Display help message. # # ruby -run -e help [COMMAND] # def help setup do |argv,| UN.help(argv) end end module UN # :nodoc: module_function def help(argv, output: $stdout) all = argv.empty? cmd = nil if all store = proc {|msg| output << msg} else messages = {} store = proc {|msg| messages[cmd] = msg} end open(__FILE__) do |me| while me.gets("##\n") if help = me.gets("\n\n") if all or argv.include?(cmd = help[/^#\s*ruby\s.*-e\s+(\w+)/, 1]) store[help.gsub(/^# ?/, "")] break unless all or argv.size > messages.size end end end end if messages argv.each {|arg| output << messages[arg]} end end end