23 lines
543 B
Ruby
23 lines
543 B
Ruby
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.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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def extract
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unpack_dir = @cask.staged_path
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@command.run!("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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end
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