/usr/lib/ruby/vendor_ruby/archive/tar/minitar/command.rb is in ruby-archive-tar-minitar 0.5.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 | #!/usr/bin/env ruby
#--
# Archive::Tar::Baby 0.5.2
# Copyright 2004 Mauricio Julio Ferna'ndez Pradier and Austin Ziegler
# This is free software with ABSOLUTELY NO WARRANTY.
#
# This program is based on and incorporates parts of RPA::Package from
# rpa-base (lib/rpa/package.rb and lib/rpa/util.rb) by Mauricio and has been
# adapted to be more generic by Austin.
#
# This file contains an adaptation of Ruby/ProgressBar by Satoru
# Takabayashi <satoru@namazu.org>, copyright 2001 - 2004.
#
# It is licensed under the GNU General Public Licence or Ruby's licence.
#
# $Id: command.rb 213 2008-02-26 22:32:11Z austin $
#++
require 'zlib'
# TODO: add
# TODO: delete ???
require 'optparse'
require 'ostruct'
require 'fileutils'
module Archive::Tar::Minitar::Command
class ProgressBar
VERSION = "0.8"
attr_accessor :total
attr_accessor :title
def initialize (title, total, out = STDERR)
@title = title
@total = total
@out = out
@bar_width = 80
@bar_mark = "o"
@current = 0
@previous = 0
@is_finished = false
@start_time = Time.now
@previous_time = @start_time
@title_width = 14
@format = "%-#{@title_width}s %3d%% %s %s"
@format_arguments = [:title, :percentage, :bar, :stat]
show
end
private
def convert_bytes (bytes)
if bytes < 1024
sprintf("%6dB", bytes)
elsif bytes < 1024 * 1000 # 1000kb
sprintf("%5.1fKB", bytes.to_f / 1024)
elsif bytes < 1024 * 1024 * 1000 # 1000mb
sprintf("%5.1fMB", bytes.to_f / 1024 / 1024)
else
sprintf("%5.1fGB", bytes.to_f / 1024 / 1024 / 1024)
end
end
def transfer_rate
bytes_per_second = @current.to_f / (Time.now - @start_time)
sprintf("%s/s", convert_bytes(bytes_per_second))
end
def bytes
convert_bytes(@current)
end
def format_time (t)
t = t.to_i
sec = t % 60
min = (t / 60) % 60
hour = t / 3600
sprintf("%02d:%02d:%02d", hour, min, sec);
end
# ETA stands for Estimated Time of Arrival.
def eta
if @current == 0
"ETA: --:--:--"
else
elapsed = Time.now - @start_time
eta = elapsed * @total / @current - elapsed;
sprintf("ETA: %s", format_time(eta))
end
end
def elapsed
elapsed = Time.now - @start_time
sprintf("Time: %s", format_time(elapsed))
end
def stat
if @is_finished then elapsed else eta end
end
def stat_for_file_transfer
if @is_finished then
sprintf("%s %s %s", bytes, transfer_rate, elapsed)
else
sprintf("%s %s %s", bytes, transfer_rate, eta)
end
end
def eol
if @is_finished then "\n" else "\r" end
end
def bar
len = percentage * @bar_width / 100
sprintf("|%s%s|", @bar_mark * len, " " * (@bar_width - len))
end
def percentage(value = nil)
if @total.zero?
100
else
(value || @current) * 100 / @total
end
end
def title
@title[0,(@title_width - 1)] + ":"
end
def get_width
# FIXME: I don't know how portable it is.
default_width = 80
# begin
# tiocgwinsz = 0x5413
# data = [0, 0, 0, 0].pack("SSSS")
# if @out.ioctl(tiocgwinsz, data) >= 0 then
# rows, cols, xpixels, ypixels = data.unpack("SSSS")
# if cols >= 0 then cols else default_width end
# else
# default_width
# end
# rescue Exception
# default_width
# end
end
def show
arguments = @format_arguments.map {|method| send(method) }
line = sprintf(@format, *arguments)
width = get_width
if line.length == width - 1
@out.print(line + eol)
elsif line.length >= width
@bar_width = [@bar_width - (line.length - width + 1), 0].max
if @bar_width == 0 then @out.print(line + eol) else show end
else # line.length < width - 1
@bar_width += width - line.length + 1
show
end
@previous_time = Time.now
end
def show_progress
if @total.zero?
cur_percentage = 100
prev_percentage = 0
else
cur_percentage = (@current * 100 / @total).to_i
prev_percentage = (@previous * 100 / @total).to_i
end
if cur_percentage > prev_percentage ||
Time.now - @previous_time >= 1 ||
@is_finished
show
end
end
public
def file_transfer_mode
@format_arguments = [:title, :percentage, :bar, :stat_for_file_transfer]
end
def format= (format)
@format = format
end
def format_arguments= (arguments)
@format_arguments = arguments
end
def finish
@current = @total
@is_finished = true
show_progress
end
def halt
@is_finished = true
show_progress
end
def set (count)
if count < 0 || count > @total
raise "invalid count: #{count} (total: #{@total})"
end
@current = count
show_progress
@previous = @current
end
def inc (step = 1)
@current += step
@current = @total if @current > @total
show_progress
@previous = @current
end
def inspect
"(ProgressBar: #{@current}/#{@total})"
end
end
class CommandPattern
class AbstractCommandError < Exception; end
class UnknownCommandError < RuntimeError; end
class CommandAlreadyExists < RuntimeError; end
class << self
def add(command)
command = command.new if command.kind_of?(Class)
@commands ||= {}
if @commands.has_key?(command.name)
raise CommandAlreadyExists
else
@commands[command.name] = command
end
if command.respond_to?(:altname)
unless @commands.has_key?(command.altname)
@commands[command.altname] = command
end
end
end
def <<(command)
add(command)
end
attr_accessor :default
def default=(command) #:nodoc:
if command.kind_of?(CommandPattern)
@default = command
elsif command.kind_of?(Class)
@default = command.new
elsif @commands.has_key?(command)
@default = @commands[command]
else
raise UnknownCommandError
end
end
def command?(command)
@commands.has_key?(command)
end
def command(command)
if command?(command)
@commands[command]
else
@default
end
end
def [](cmd)
self.command(cmd)
end
def default_ioe(ioe = {})
ioe[:input] ||= $stdin
ioe[:output] ||= $stdout
ioe[:error] ||= $stderr
ioe
end
end
def [](args, opts = {}, ioe = {})
call(args, opts, ioe)
end
def name
raise AbstractCommandError
end
def call(args, opts = {}, ioe = {})
raise AbstractCommandError
end
def help
raise AbstractCommandError
end
end
class CommandHelp < CommandPattern
def name
"help"
end
def call(args, opts = {}, ioe = {})
ioe = CommandPattern.default_ioe(ioe)
help_on = args.shift
if CommandPattern.command?(help_on)
ioe[:output] << CommandPattern[help_on].help
elsif help_on == "commands"
ioe[:output] << <<-EOH
The commands known to minitar are:
minitar create Creates a new tarfile.
minitar extract Extracts files from a tarfile.
minitar list Lists files in the tarfile.
All commands accept the options --verbose and --progress, which are
mutually exclusive. In "minitar list", --progress means the same as
--verbose.
--verbose, -V Performs the requested command verbosely.
--progress, -P Shows a progress bar, if appropriate, for the action
being performed.
EOH
else
ioe[:output] << "Unknown command: #{help_on}\n" unless help_on.nil? or help_on.empty?
ioe[:output] << self.help
end
0
end
def help
help = <<-EOH
This is a basic help message containing pointers to more information on
how to use this command-line tool. Try:
minitar help commands list all 'minitar' commands
minitar help <COMMAND> show help on <COMMAND>
(e.g., 'minitar help create')
EOH
end
# minitar add Adds a file to an existing tarfile.
# minitar delete Deletes a file from an existing tarfile.
end
class CommandCreate < CommandPattern
def name
"create"
end
def altname
"cr"
end
def call(args, opts = {}, ioe = {})
argv = []
while (arg = args.shift)
case arg
when '--compress', '-z'
opts[:compress] = true
else
argv << arg
end
end
if argv.size < 2
ioe[:output] << "Not enough arguments.\n\n"
CommandPattern["help"][["create"]]
return 255
end
output = argv.shift
if '-' == output
opts[:name] = "STDOUT"
output = ioe[:output]
opts[:output] = ioe[:error]
else
opts[:name] = output
output = File.open(output, "wb")
opts[:output] = ioe[:output]
end
if opts[:name] =~ /\.tar\.gz$|\.tgz$/ or opts[:compress]
output = Zlib::GzipWriter.new(output)
end
files = []
if argv.include?("--")
# Read stdin for the list of files.
files = ""
files << ioe[:input].read while not ioe[:input].eof?
files = files.split(/\r\n|\n|\r/)
args.delete("--")
end
files << argv.to_a
files.flatten!
if opts[:verbose]
watcher = lambda do |action, name, stats|
opts[:output] << "#{name}\n" if action == :dir or action == :file_done
end
finisher = lambda { opts[:output] << "\n" }
elsif opts[:progress]
progress = ProgressBar.new(opts[:name], 1)
watcher = lambda do |action, name, stats|
case action
when :file_start, :dir
progress.title = File.basename(name)
if action == :dir
progress.total += 1
progress.inc
else
progress.total += stats[:size]
end
when :file_progress
progress.inc(stats[:currinc])
end
end
finisher = lambda do
progress.title = opts[:name]
progress.finish
end
else
watcher = nil
finisher = lambda { }
end
Archive::Tar::Minitar.pack(files, output, &watcher)
finisher.call
0
ensure
output.close if output and not output.closed?
end
def help
help = <<-EOH
minitar create [OPTIONS] <tarfile|-> <file|directory|-->+
Creates a new tarfile. If the tarfile is named .tar.gz or .tgz, then it
will be compressed automatically. If the tarfile is "-", then it will be
output to standard output (stdout) so that minitar may be piped.
The files or directories that will be packed into the tarfile are
specified after the name of the tarfile itself. Directories will be
processed recursively. If the token "--" is found in the list of files
to be packed, additional filenames will be read from standard input
(stdin). If any file is not found, the packaging will be halted.
create Options:
--compress, -z Compresses the tarfile with gzip.
EOH
end
end
class CommandExtract < CommandPattern
def name
"extract"
end
def altname
"ex"
end
def call(args, opts = {}, ioe = {})
argv = []
output = nil
dest = "."
files = []
while (arg = args.shift)
case arg
when '--uncompress', '-z'
opts[:uncompress] = true
when '--pipe'
opts[:output] = ioe[:error]
output = ioe[:output]
when '--output', '-o'
dest = args.shift
else
argv << arg
end
end
if argv.size < 1
ioe[:output] << "Not enough arguments.\n\n"
CommandPattern["help"][["extract"]]
return 255
end
input = argv.shift
if '-' == input
opts[:name] = "STDIN"
input = ioe[:input]
else
opts[:name] = input
input = File.open(input, "rb")
end
if opts[:name] =~ /\.tar\.gz$|\.tgz$/ or opts[:uncompress]
input = Zlib::GzipReader.new(input)
end
files << argv.to_a
files.flatten!
if opts[:verbose]
watcher = lambda do |action, name, stats|
opts[:output] << "#{name}\n" if action == :dir or action == :file_done
end
finisher = lambda { opts[:output] << "\n" }
elsif opts[:progress]
progress = ProgressBar.new(opts[:name], 1)
watcher = lambda do |action, name, stats|
case action
when :file_start, :dir
progress.title = File.basename(name)
if action == :dir
progress.total += 1
progress.inc
else
progress.total += stats[:entry].size
end
when :file_progress
progress.inc(stats[:currinc])
end
end
finisher = lambda do
progress.title = opts[:name]
progress.finish
end
else
watcher = nil
finisher = lambda { }
end
if output.nil?
Archive::Tar::Minitar.unpack(input, dest, files, &watcher)
finisher.call
else
Archive::Tar::Minitar::Input.open(input) do |inp|
inp.each do |entry|
stats = {
:mode => entry.mode,
:mtime => entry.mtime,
:size => entry.size,
:gid => entry.gid,
:uid => entry.uid,
:current => 0,
:currinc => 0,
:entry => entry
}
if files.empty? or files.include?(entry.full_name)
if entry.directory?
puts "Directory: #{entry.full_name}"
watcher[:dir, dest, stats] unless watcher.nil?
else
puts "File: #{entry.full_name}"
watcher[:file_start, destfile, stats] unless watcher.nil?
loop do
data = entry.read(4096)
break unless data
stats[:currinc] = output.write(data)
stats[:current] += stats[:currinc]
watcher[:file_progress, name, stats] unless watcher.nil?
end
watcher[:file_done, name, stats] unless watcher.nil?
end
end
end
end
end
0
end
def help
help = <<-EOH
minitar extract [OPTIONS] <tarfile|-> [<file>+]
Extracts files from an existing tarfile. If the tarfile is named .tar.gz
or .tgz, then it will be uncompressed automatically. If the tarfile is
"-", then it will be read from standard input (stdin) so that minitar
may be piped.
The files or directories that will be extracted from the tarfile are
specified after the name of the tarfile itself. Directories will be
processed recursively. Files must be specified in full. A file
"foo/bar/baz.txt" cannot simply be specified by specifying "baz.txt".
Any file not found will simply be skipped and an error will be reported.
extract Options:
--uncompress, -z Uncompresses the tarfile with gzip.
--pipe Emits the extracted files to STDOUT for piping.
--output, -o Extracts the files to the specified directory.
EOH
end
end
class CommandList < CommandPattern
def name
"list"
end
def altname
"ls"
end
def modestr(mode)
s = "---"
s[0] = ?r if (mode & 4) == 4
s[1] = ?w if (mode & 2) == 2
s[2] = ?x if (mode & 1) == 1
s
end
def call(args, opts = {}, ioe = {})
argv = []
output = nil
dest = "."
files = []
opts[:field] = "name"
while (arg = args.shift)
case arg
when '--sort', '-S'
opts[:sort] = true
opts[:field] = args.shift
when '--reverse', '-R'
opts[:reverse] = true
opts[:sort] = true
when '--uncompress', '-z'
opts[:uncompress] = true
when '-l'
opts[:verbose] = true
else
argv << arg
end
end
if argv.size < 1
ioe[:output] << "Not enough arguments.\n\n"
CommandPattern["help"][["list"]]
return 255
end
input = argv.shift
if '-' == input
opts[:name] = "STDIN"
input = ioe[:input]
else
opts[:name] = input
input = File.open(input, "rb")
end
if opts[:name] =~ /\.tar\.gz$|\.tgz$/ or opts[:uncompress]
input = Zlib::GzipReader.new(input)
end
files << argv.to_a
files.flatten!
if opts[:verbose] or opts[:progress]
format = "%10s %4d %8s %8s %8d %12s %s"
datefmt = "%b %d %Y"
timefmt = "%b %d %H:%M"
fields = %w(permissions inodes user group size date fullname)
else
format = "%s"
fields = %w(fullname)
end
opts[:field] = opts[:field].intern
opts[:field] = :full_name if opts[:field] == :name
output = []
Archive::Tar::Minitar::Input.open(input) do |inp|
today = Time.now
oneyear = Time.mktime(today.year - 1, today.month, today.day)
inp.each do |entry|
value = format % fields.map do |ff|
case ff
when "permissions"
s = entry.directory? ? "d" : "-"
s << modestr(entry.mode / 0100)
s << modestr(entry.mode / 0010)
s << modestr(entry.mode)
when "inodes"
entry.size / 512
when "user"
entry.uname || entry.uid || 0
when "group"
entry.gname || entry.gid || 0
when "size"
entry.size
when "date"
if Time.at(entry.mtime) > (oneyear)
Time.at(entry.mtime).strftime(timefmt)
else
Time.at(entry.mtime).strftime(datefmt)
end
when "fullname"
entry.full_name
end
end
if opts[:sort]
output << [entry.send(opts[:field]), value]
else
ioe[:output] << value << "\n"
end
end
end
if opts[:sort]
output = output.sort { |a, b| a[0] <=> b[0] }
if opts[:reverse]
output.reverse_each { |oo| ioe[:output] << oo[1] << "\n" }
else
output.each { |oo| ioe[:output] << oo[1] << "\n" }
end
end
0
end
def help
help = <<-EOH
minitar list [OPTIONS] <tarfile|-> [<file>+]
Lists files in an existing tarfile. If the tarfile is named .tar.gz or
.tgz, then it will be uncompressed automatically. If the tarfile is "-",
then it will be read from standard input (stdin) so that minitar may be
piped.
If --verbose or --progress is specified, then the file list will be
similar to that produced by the Unix command "ls -l".
list Options:
--uncompress, -z Uncompresses the tarfile with gzip.
--sort [<FIELD>], -S Sorts the list of files by the specified
field. The sort defaults to the filename.
--reverse, -R Reverses the sort.
-l Lists the files in detail.
Sort Fields:
name, mtime, size
EOH
end
end
CommandPattern << CommandHelp
CommandPattern << CommandCreate
CommandPattern << CommandExtract
CommandPattern << CommandList
# CommandPattern << CommandAdd
# CommandPattern << CommandDelete
def self.run(argv, input = $stdin, output = $stdout, error = $stderr)
ioe = {
:input => input,
:output => output,
:error => error,
}
opts = { }
if argv.include?("--version")
output << <<-EOB
minitar #{Archive::Tar::Minitar::VERSION}
Copyright 2004 Mauricio Julio Ferna'ndez Pradier and Austin Ziegler
This is free software with ABSOLUTELY NO WARRANTY.
see http://rubyforge.org/projects/ruwiki for more information
EOB
end
if argv.include?("--verbose") or argv.include?("-V")
opts[:verbose] = true
argv.delete("--verbose")
argv.delete("-V")
end
if argv.include?("--progress") or argv.include?("-P")
opts[:progress] = true
opts[:verbose] = false
argv.delete("--progress")
argv.delete("-P")
end
command = CommandPattern[(argv.shift or "").downcase]
command ||= CommandPattern["help"]
return command[argv, opts, ioe]
end
end
|