update all of your git and svn projects from a root directory

git_and_svn_update.rb

#!/usr/bin/ruby
require 'fileutils'
include FileUtils
here = File.expand_path(File.dirname(__FILE__))

git_dirs = Dir.glob("#{here}/*/.git")
svn_dirs = Dir.glob("#{here}/*/.svn")

def git_pull(path)
  cd path
  `git pull`
end

def svn_update(path)
  cd path
  `svn update`
end

puts "Performing a GIT pull.." if git_dirs.size > 0
git_dirs.each do |git_dir|
  path = git_dir.sub!(/\.git/, "")
  puts "Pulling from: #{path}"
  git_pull path
end

puts "Performing a SVN update.." if svn_dirs.size > 0
svn_dirs.each do |svn_dir|
  path = svn_dir.sub!(/\.svn/, "")
  puts "Updating #{path}"
  svn_update path
end