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hub is a command-line wrapper for git.
It’s not immediately obvious how to install it from a fresh Ubuntu or Linux Mint install, so here goes.
Install Ruby
First off, hub is a Ruby program. So we’ll have to install Ruby. Open up your terminal (Ctrl+Alt+t) and run:
$ sudo apt-get install ruby
As of time of writing, that installs Ruby 1.8.x.
Download hub
Hub’s suggested path is to create a bin folder in your home directory. I don’t know if this is better than installing into the more standard /usr/bin/, but here goes anyway:
$ mkdir ~/bin
Now download the hub script:
$ curl https://hub.github.com/standalone -Lo ~/bin/hub
The hub script file now needs to be made executable:
chmod 755 ~/bin/hub
Note: Linux Mint will automatically find this ~/bin folder next time you log in. So log out and log back in again. Ubuntu may not do this, I don’t know. If it doesn’t, you’ll have to find out how to att the ~/bin folder to your PATH variable.
Now you’re done. Open your terminal, and run:
$ hub