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21 lines
499 B
Ruby
21 lines
499 B
Ruby
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module UnpackStrategy
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class Tar
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include UnpackStrategy
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def self.can_extract?(path:, magic_number:)
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return true if magic_number.match?(/\A.{257}ustar/n)
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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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safe_system "tar", "xf", path, "-C", unpack_dir
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end
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end
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end
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