Vagrantfile for rsync Rails project between host and guest

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

  # ...

  # Share an additional folder to the guest VM. The first argument is
  # the path on the host to the actual folder. The second argument is
  # the path on the guest to mount the folder. And the optional third
  # argument is a set of non-required options.
  # config.vm.synced_folder "../data", "/vagrant_data"
  config.vm.synced_folder "./path/to/rails-project", "/home/vagrant/rails-project",
    type: "rsync",
    owner: "vagrant",
    group: "vagrant",
    rsync__exclude: [".git", ".bundle", "tmp", "log", "vendor/bundle"],
    rsync__chown: false

  # ...

end

# Run following commands;
# vagrant init
# vagrant up
# vagrant rsync-auto

# Reference
# http://hotolab.net/blog/vagrant_rsync/