28 lines
878 B
Ruby
28 lines
878 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 GenericUnar < Base
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def self.me?(criteria)
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!(lsar = which("lsar")).nil? &&
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criteria.command.run(lsar,
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args: ["-l", "-t", "--", criteria.path],
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print_stderr: false).stdout.chomp.end_with?("passed, 0 failed.")
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end
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def extract
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if (unar = which("unar")).nil?
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raise CaskError, "Expected to find unar executable. Cask #{@cask} must add: depends_on formula: 'unar'"
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end
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Dir.mktmpdir do |unpack_dir|
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@command.run!(unar, args: ["-force-overwrite", "-quiet", "-no-directory", "-output-directory", unpack_dir, "--", @path])
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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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