26 lines
797 B
Ruby
26 lines
797 B
Ruby
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require "tmpdir"
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class Hbc::Container::Xip < Hbc::Container::Base
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def self.me?(criteria)
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criteria.magic_number(%r{^xar!}n) &&
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IO.popen(["/usr/bin/xar", "-t", "-f", criteria.path.to_s], err: "/dev/null") { |io| io.read =~ %r{\AContent\nMetadata\n\Z} }
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end
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def extract
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Dir.mktmpdir do |unpack_dir|
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begin
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ohai "Verifying signature for #{@path.basename}"
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@command.run!("/usr/sbin/pkgutil", args: ["--check-signature", @path])
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rescue
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raise "Signature check failed."
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end
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@command.run!("/usr/bin/xar", args: ["-x", "-f", @path, "Content", "-C", unpack_dir])
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Dir.chdir(@cask.staged_path) do
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@command.run!("/usr/bin/cpio", args: ["--quiet", "-i", "-I", Pathname(unpack_dir).join("Content")])
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end
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end
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end
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end
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