34 lines
775 B
Ruby
34 lines
775 B
Ruby
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class RubyRequirement < Requirement
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fatal true
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#default_formula "ruby"
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def initialize(tags)
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@version = tags.shift if /(\d\.)+\d/ === tags.first
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raise "RubyRequirement requires a version!" unless @version
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super
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end
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satisfy :build_env => false do
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next unless which "ruby"
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version = /\d\.\d/.match `ruby --version 2>&1`
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next unless version
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Version.new(version.to_s) >= Version.new(@version)
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end
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env do
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ENV.prepend_path "PATH", which("ruby").dirname
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end
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def message
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version_string = " #{@version}" if @version
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s = "Ruby#{version_string} is required to install this formula."
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s += super
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s
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end
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def inspect
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"#<#{self.class.name}: #{name.inspect} #{tags.inspect} version=#{@version.inspect}>"
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end
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end
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