class Fastlane::Actions::XcodebuildAction

def self.hash_to_args(hash)
  # Remove nil value params
  hash = hash.delete_if { |_, v| v.nil? }
  # Maps nice developer param names to CLI arguments
  hash.map do |k, v|
    v ||= ""
    if arg = ARGS_MAP[k]
      value = (v != true && v.to_s.length > 0 ? "\"#{v}\"" : "")
      "#{arg} #{value}".strip
    elsif k == :build_settings
      v.map {|setting, val| "#{setting}=\"#{val}\""}.join(' ')
    elsif k == :destination
      [*v].collect { |dst| "-destination \"#{dst}\"" }.join(' ')
    elsif k == :keychain && v.to_s.length > 0
      # If keychain is specified, append as OTHER_CODE_SIGN_FLAGS
      "OTHER_CODE_SIGN_FLAGS=\"--keychain #{v}\""
    end
  end.compact.sort
end