git-organization-download.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'json'

if ARGV.size != 1
  puts "This script only accepts a single parameter as organization."
  puts "Usage: #{__FILE__.split("/").last} <organization>"
  exit 1
end

repo_urls = []
page = 1

org = ARGV.first

while true
  data = `curl -s https://api.github.com/orgs/#{org}/repos?page=#{page}`
  json_data = JSON.load(data)
  # Response will be empty if there are no more repositories in a page
  break if json_data.empty?
  # If the API rate limit is exceeded display a message and exit
  puts json_data
  #if json_data.is_a? Hash && !json_data["message"].nil? &&
  #    json_data["message"] =~ /API Rate Limit Exceeded/
  #  raise "API rate limit exceeded"
  #end
  json_data.each do |repo|
    repo_urls << repo["ssh_url"] if repo
  end
  puts "Visited page: #{page}. Repos found so far: #{repo_urls.length}"
  page += 1
end

puts repo_urls
puts "Total Repos found: #{repo_urls.length}"

repo_urls.each do |url|
  puts "Clonning to: #{url}..."
  %x[git clone #{url}]
end

puts "All repositories are downloaded successfully"