git clone 'git://github.com/hisea/elixir-yasnippets.git'
It can be more convenient to use Emacs's package manager to handle installation for you if you use many elisp libraries. If you have package.el but haven't added Marmalade, the community package source, yet, add this to ~/.emacs.d/init.el:
'("melpa" . "http://melpa.milkbox.net/packages/") t)
Then do this to load the package listing:
If you use a version of Emacs prior to 24 that doesn't include package.el, you can get it from http://bit.ly/pkg-el23.
If you have an older ELPA package.el installed from tromey.com, you should upgrade in order to support installation from multiple sources. The ELPA archive is deprecated and no longer accepting new packages, so the version there (1.7.1) is very outdated.
From there you can install
elixir-snippets or any other modes by choosing
them from a list:
Now, to install packages, move your cursor to them and press i. This will mark the packages for installation. When you're done with marking, press x, and ELPA will install the packages for you (under ~/.emacs.d/elpa/).