mooch.rb

#!/usr/bin/env ruby
require "pathname"

LOADER = '''
require "pathname"

vendor_path = Pathname.new(__FILE__).parent.parent + "vendor"

Pathname.glob("#{vendor_path}/**/**/lib") do |lib|
  next if $LOAD_PATH.include?(lib.realpath.to_s)
  $LOAD_PATH.insert(0, lib.realpath.to_s) if lib.directory?
end
'''

if ARGV[0] == "init"
  lib = Pathname.new(ARGV[1])
  lib.mkpath
  (lib + 'dependencies.rb').open("w") do |file|
    file.write LOADER
  end
else
  vendor = Pathname.new("vendor")
  vendor.mkpath

  if File.exist?('.git') ## already using git?

    system("git add vendor")
    system("git submodule add git://github.com/#{ARGV[0]}.git vendor/#{ARGV[0]}")

  else

    Dir.chdir(vendor.realpath)
    system("git clone git://github.com/#{ARGV[0]}.git #{ARGV[0]}")
    if ARGV[1]
      Dir.chdir(ARGV[0])
      system("git checkout #{ARGV[1]}")
    end

  end

end