new

# File lib/rubygems/exceptions.rb, line 252
  def initialize(dep, platform_mismatch=nil)
    if platform_mismatch and !platform_mismatch.empty?
      plats = platform_mismatch.map { |x| x.platform.to_s }.sort.uniq
      super "Unable to resolve dependency: No match for '#{dep}' on this platform. Found: #{plats.join(', ')}"
    else
      if dep.explicit?
        super "Unable to resolve dependency: user requested '#{dep}'"
      else
        super "Unable to resolve dependency: '#{dep.request_context}' requires '#{dep}'"
      end
    end

    @dependency = dep
    @errors     = []
  end