48 lines
1.2 KiB
Ruby
48 lines
1.2 KiB
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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end
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def valid?
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case @reason
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when :provided_pre_mountain_lion
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MacOS.version < :mountain_lion
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when :provided_until_xcode43
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MacOS::Xcode.version < "4.3"
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when :provided_until_xcode5
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MacOS::Xcode.version < "5.0"
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else
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true
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end
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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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when :provided_until_xcode43
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"Xcode provides this software prior to version 4.3.\n\n#{explanation}"
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when :provided_until_xcode5
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"Xcode provides this software prior to version 5.\n\n#{explanation}"
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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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