pull_repos.rb

#!/usr/bin/env ruby
# Simple script to pull down all the repositories of a github user
require 'net/http'
require 'json'

@github_api_base_uri = 'https://api.github.com/users'

def get_repos(username,page)
  uri = URI.parse("#{@github_api_base_uri}/#{username}/repos")
  uri.query = URI.encode_www_form({:page => page})
  puts "Pulling data from #{uri}"
  get_request = Net::HTTP::Get.new(uri)
  get_request['Content-Type'] = 'application/json'
  get_request['Accept'] = 'application/vnd.github.v3+json'

  http_request = Net::HTTP.new(uri.hostname, uri.port)
  http_request.use_ssl = true

  response = http_request.start do |http|
    http.request(get_request)
  end

  repos = JSON.parse(response.body)
  if repos.count > 0
    repos.each do |repo|
      clone_repo(repo)
    end
    page += 1
    get_repos(username,page)
  end

end

def clone_repo(repo)
  username = repo['owner']['login']
  if not File.directory?(username)
    Dir.mkdir(username)
    `cd #{username} && git init`
  end

  if not File.directory?("#{repo['name']}")
    clone = system("cd #{username} && git submodule add #{repo["git_url"]}")
  end
end

if ARGV.empty?
  puts "Usage #{__FILE__} [github.com username]"
  puts "Example: #{__FILE__} jamesbrink"
  puts "This will create a directory jamesbrink in your current directory"
  puts "All repositories will be added into that directory as submodules."
else
  ARGV.each do |username|
    get_repos(username,1)
  end
end