39 lines
913 B
Ruby
39 lines
913 B
Ruby
FormulaConflict = Struct.new(:name, :reason)
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# Used to annotate formulae that duplicate OS X provided software
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# or cause conflicts when linked in.
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class KegOnlyReason
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attr_reader :reason, :explanation
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def initialize reason, explanation=nil
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@reason = reason
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@explanation = explanation
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@valid = case @reason
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when :provided_pre_mountain_lion then MacOS.version < :mountain_lion
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else true
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end
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end
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def valid?
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@valid
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end
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def to_s
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case @reason
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when :provided_by_osx then <<-EOS.undent
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Mac OS X already provides this software and installing another version in
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parallel can cause all kinds of trouble.
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#{@explanation}
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EOS
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when :provided_pre_mountain_lion then <<-EOS.undent
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Mac OS X already provides this software in versions before Mountain Lion.
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#{@explanation}
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EOS
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else
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@reason
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end.strip
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end
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end
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