Backup each project by cloning all their repositories: clone the main repo and also the wiki repo

backgit.rb

#!/usr/bin/env ruby

# Backup each project by cloning all their repositories: clone the main repo and also the wiki repo.
# 
# 	git clone [email protected]:ai/AAI.git
# 
# The clone must be done only once. After that use ```git fetch --all``` to refresh all data
# 
# - [doc](https://stackoverflow.com/questions/67699/how-to-clone-all-remote-branches-in-git)
# 

repos = ['[email protected]:ai/AAI.git',
        '[email protected]:ai/AAI.wiki.git',
        '[email protected]:PracticeEnglishApp/marla.git',
        '[email protected]:PracticeEnglishApp/marla.wiki.git']

if ARGV[0] == '?'
	puts("")
	puts("Execute 'backgit install' to create clones ")
	puts("After that, execute 'backgit' without params to update repos")
	puts("")
  exit
end

if ARGV[0] == "install"
  repos.each do |repo|
    `git clone #{repo}`
  end
else
  Dir.glob('*/').each do |cdir|
    `cd #{cdir} && git fetch --all && cd ..`
  end
end