Backup Git based on a script by Alter White

gistfile1.rb

#!/usr/bin/env ruby 


#credits: Walter White, Updates: Addy Osmani

# dependencies  
require "json"
require "open-uri"
# your github username  
username = "k9ert"
time = Time.new
# feel free to comment out the option you don't wish to use.  
backupDirectory = "/backups/github/#{time.year}.#{time.month}.#{time.day}"
backupDirectory = "../github"
#or simply: backupDirectory = "/backups/github/"  
#repositories =  
# .map{|r| %Q[#{r[:name]}] }  

#FileUtils.mkdir_p #{backupDirectory}
JSON.load(open("https://api.github.com/users/#{username}/repos", :ssl_ca_cert=>"/etc/ssl/certs")).map{ |repository|
  puts "discovered repository: #{repository["name"]} ... backing up ..."
  if File.directory?("#{backupDirectory}/#{repository['name']}")
    system "cd #{backupDirectory}/#{repository['name']} && git fetch"
  else
    system "git clone #{repository['clone_url']} #{backupDirectory}/#{repository['name']}"
  end
}