Little command to print all git branches of all folders in specified location

gitbranches.rb

#!/usr/bin/env ruby

# Author: René Weteling
# Email: rene@weteling.com
# Description: Command to list all branches of all folders at a specified
# locaton. Handy if you have multiple projects.
# Installation:
# 1 - Store in your path (usually ~/bin/gitbranches)
# 2 - Make executable (chmod +x gitbranches)
# 3 - Source your terminal, and enjoy (gitbranches [path || '.'])

path = ARGV[0] || '.'
path = "#{Dir.pwd}/#{path}" unless path[0] == '/'

def print_git_branches(dir)
  puts  "\033[0;42;30m#{dir}\033[0m"
  puts `cd #{dir} && git branch --list`
end

Dir
  .glob("#{path}/*")
  .select { |f| File.directory? f }
  .each{|f| print_git_branches f }