module Roda::RodaPlugins::ErrorEmail::InstanceMethods

def error_email(e)
  email_opts = self.class.opts[:error_email].dup
  headers = email_opts[:default_headers].call(email_opts, e)
  headers = Hash[headers].merge!(email_opts[:headers])
  headers = headers.map{|k,v| "#{k}: #{v.gsub(/\r?\n/m, "\r\n ")}"}.sort.join("\r\n")
  body = email_opts[:body].call(self, e)
  email_opts[:message] = "#{headers}\r\n\r\n#{body}"
  email_opts[:emailer].call(email_opts)
end