34 lines
971 B
Ruby
34 lines
971 B
Ruby
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require 'ostruct'
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require 'formula'
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require 'vendor/multi_json'
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# Inherit from OpenStruct to gain a generic initialization method that takes a
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# hash and creates an attribute for each key and value. `Tab.new` probably
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# should not be called directly, instead use one of the class methods like
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# `Tab.for_install`.
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class Tab < OpenStruct
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def self.for_install f, args
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# Retrieve option flags from command line.
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arg_options = args.options_only
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# Pick off the option flags from the formula's `options` array by
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# discarding the descriptions.
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formula_options = f.options.map { |o, _| o }
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Tab.new :used_options => formula_options & arg_options,
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:unused_options => formula_options - arg_options,
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:tabfile => f.prefix + 'INSTALL_RECEIPT.json'
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end
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def to_json
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MultiJson.encode({
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:used_options => used_options,
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:unused_options => unused_options
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})
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end
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def write
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tabfile.write to_json
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end
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end
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