26 lines
719 B
Ruby
26 lines
719 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 Lzma < Base
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def self.me?(criteria)
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criteria.magic_number(/^\]\000\000\200\000/n)
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end
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def extract
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if (unlzma = which("unlzma")).nil?
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raise CaskError, "Expected to find unlzma executable. Cask '#{@cask}' must add: depends_on formula: 'lzma'"
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end
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Dir.mktmpdir do |unpack_dir|
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@command.run!("/usr/bin/ditto", args: ["--", @path, unpack_dir])
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@command.run!(unlzma, args: ["-q", "--", Pathname(unpack_dir).join(@path.basename)])
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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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