gist.rb

require 'net/http'
require 'net/https'

gist = {
    "description" => "wat",
    "public" => false,
    "files" => {
      "popme_backup" => {
        "content" => "wat"
      }
    }
}
uri = URI.parse("https://api.github.com/gists")
https = Net::HTTP.new(uri.host,uri.port)
https.use_ssl = true
req = Net::HTTP::Post.new(uri.path, initheader = {'Content-Type' =>'application/json'})
req.body = "[ #{gist} ]"
res = https.request(req)
puts res