The buildpack installs Heroku Toolbelt and adds it to
PATH. Nice tool if you
need to perform some plumbing.
As all other custom buildpacks it might be added to your app with:
heroku buildpacks:add https://github.com/soulim/heroku-buildpack-toolbelt.git
Next time you deploy the app, the buildpack will be used. If deploy has been
heroku command is available for you to run.
Because of Heroku CLI internal design, it updates itself and installed plugins
every time you run
heroku command. I hope it'll be fixed soon. The issue is
(c) 2015, Alexander Sulim, http://sul.im
Copy the snippet above into CLI.