77 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # typed: true
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| # frozen_string_literal: true
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| 
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| # Used to track formulae that cannot be installed at the same time.
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| FormulaConflict = Struct.new(:name, :reason)
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| 
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| # Used to annotate formulae that duplicate macOS-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
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| 
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|   def initialize(reason, explanation)
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|     @reason = reason
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|     @explanation = explanation
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|   end
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| 
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|   def versioned_formula?
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|     @reason == :versioned_formula
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|   end
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| 
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|   def provided_by_macos?
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|     @reason == :provided_by_macos
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|   end
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| 
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|   def shadowed_by_macos?
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|     @reason == :shadowed_by_macos
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|   end
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| 
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|   def by_macos?
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|     provided_by_macos? || shadowed_by_macos?
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|   end
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| 
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|   sig { returns(T::Boolean) }
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|   def applicable?
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|     # macOS reasons aren't applicable on other OSs
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|     # (see extend/os/mac/formula_support for override on macOS)
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|     !by_macos?
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|   end
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| 
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|   def to_s
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|     return @explanation unless @explanation.empty?
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| 
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|     if versioned_formula?
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|       <<~EOS
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|         this is an alternate version of another formula
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|       EOS
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|     elsif provided_by_macos?
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|       <<~EOS
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|         macOS already provides this software and installing another version in
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|         parallel can cause all kinds of trouble
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|       EOS
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|     elsif shadowed_by_macos?
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|       <<~EOS
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|         macOS provides similar software and installing this software in
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|         parallel can cause all kinds of trouble
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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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| 
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|   def to_hash
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|     reason_string = if @reason.is_a?(Symbol)
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|       @reason.inspect
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|     else
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|       @reason.to_s
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|     end
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| 
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|     {
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|       "reason"      => reason_string,
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|       "explanation" => @explanation,
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|     }
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|   end
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| end
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| 
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| require "extend/os/formula_support"
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