23 lines
621 B
Ruby
23 lines
621 B
Ruby
require "tmpdir"
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require "hbc/container/base"
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module Hbc
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class Container
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class Tar < Base
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def self.me?(criteria)
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criteria.magic_number(%r{^.{257}ustar}n) ||
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# or compressed tar (bzip2/gzip/lzma/xz)
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IO.popen(["/usr/bin/tar", "-t", "-f", criteria.path.to_s], err: "/dev/null") { |io| !io.read(1).nil? }
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end
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def extract
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Dir.mktmpdir do |unpack_dir|
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@command.run!("/usr/bin/tar", args: ["-x", "-f", @path, "-C", unpack_dir])
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@command.run!("/usr/bin/ditto", args: ["--", unpack_dir, @cask.staged_path])
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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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