hkdefault
hkdefault is the default plugin for the fast Heroku client hk.
default will execute the heroku gem in PATH with all parameters given to hk if the given command or hk plugin is not found.
Install
$ mkdir -p /usr/local/lib/hk/plugin
$ wget -qO- https://github.com/downloads/heroku/hkdefault/darwin-amd64-hkdefault-1.gz | zcat >/usr/local/lib/hk/plugin/default
$ chmod +x /usr/local/lib/hk/plugin/default