Method: Extensions::GemRequirement#merge

Defined in:
lib/baltix/extensions.rb

#merge(other_requirement) ⇒ Object

merging gem requirement with others strictizing the conditions



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# File 'lib/baltix/extensions.rb', line 486

def merge other_requirement
   reqs_pre = self.requirements | other_requirement.requirements
   reqs_tmp = []

   while reqs_tmp != reqs_pre
      reqs_tmp = reqs_pre
      reqs_pre =
         reqs_tmp[1..-1].reduce([reqs_tmp.first]) do |res, req|
            op1, ver1 = res.last
            op2, ver2 = req

            prc =
               Gem::Requirement::AND_RELAS.find do |((left, right, comp), _)|
                  match = op1 == left && op2 == right &&
                     case comp
                     when NilClass
                        true
                     when Integer
                        comp == (ver1 <=> ver2)
                     when Proc
                        comp[ver1, ver2]
                     end
               end

            res[0...-1] | prc ? prc.last[ver1, ver2] : [INVALID_DEP]
      end
   end

   # binding.pry
   Gem::Requirement.new(reqs_pre.map {|x|x.join(" ")})
end