Use bundle install –standalone

Crie um projeto de joia

$ bundle gem awesome-cmd -b
create awesome
-cmd/Gemfile
create awesome
-cmd/Rakefile
create awesome
-cmd/LICENSE
create awesome
-cmd/README.md
create awesome
-cmd/.gitignore
create awesome
-cmd/awesome-cmd.gemspec
create awesome
-cmd/lib/awesome-cmd.rb
create awesome
-cmd/lib/awesome-cmd/version.rb
create awesome
-cmd/bin/awesome-cmd
Initializating git repo in /path/to/awesome-cmd

Execute bundle install autônomo

$ cd awesome-cmd
$ vi awesome
-cmd.gemspec # add gem e.g. 'thor'
$ bundle install
--standalone
Fetching gem metadata from https://rubygems.org/..
Installing thor (0.15.4)
Using awesome-cmd (0.0.1) from source at /path/to/awesome-cmd
Using bundler (1.1.4)
Your bundle is complete! It was installed into ./bundle

Use em rubyvez debundle exec

$ ruby -r ./bundle/bundler/setup.rb ./bin/awesome-cmd --version
0.0.1