27 lines
620 B
Ruby
27 lines
620 B
Ruby
module UnpackStrategy
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class Tar
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include UnpackStrategy
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using Magic
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def self.can_extract?(path)
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return true if path.magic_number.match?(/\A.{257}ustar/n)
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unless [Bzip2, Gzip, Lzip, Xz].any? { |s| s.can_extract?(path) }
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return false
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end
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# Check if `tar` can list the contents, then it can also extract it.
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IO.popen(["tar", "tf", path], err: File::NULL) do |stdout|
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!stdout.read(1).nil?
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end
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end
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private
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def extract_to_dir(unpack_dir, basename:, verbose:)
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system_command! "tar", args: ["xf", path, "-C", unpack_dir]
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end
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end
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end
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