Sha256: eaebc290c497515d291d8c60f55fdedd4274f1ea7d1a2576557ce0eee571e84f
Contents?: true
Size: 1.31 KB
Versions: 75
Compression:
Stored size: 1.31 KB
Contents
require 'fileutils'
module Dockly::Util::Tar
extend self
def is_tar?(path)
if File.size(path) < 262
return false
end
magic = nil
File.open(path, "r") do |f|
f.read(257)
magic = f.read(5)
end
magic == "ustar"
end
def is_gzip?(path)
if File.size(path) < 2
return false
end
magic = nil
File.open(path, "r") do |f|
magic = f.read(2)
end
magic = magic.unpack('H*')[0]
magic == "1f8b"
end
# Creates a tar file in memory recursively
# from the given path.
#
# Returns a StringIO whose underlying String
# is the contents of the tar file.
def tar(path, output)
FileUtils.mkdir_p(File.dirname(output))
puts "tarring #{path} to #{output}"
tar_command = "tar -cf #{output} -C #{File.dirname(path)} #{File.basename(path)}"
puts "Tar Command: #{tar_command}"
IO.popen(tar_command) do |io|
puts io.read
end
File.open(output, 'rb+')
end
# untars the given IO into the specified
# directory
def untar(input_io, destination)
puts "untarring #{input_io.path} to #{destination}"
FileUtils.mkdir_p(destination)
untar_command = "tar -xf #{input_io.path} -C #{destination}"
puts "Untar command: #{untar_command}"
IO.popen(untar_command) do |io|
puts io.read
end
input_io
end
end
Version data entries
75 entries across 75 versions & 1 rubygems