Clone this repo anywhere you like:
git clone git@github.com:Gordin/vimrc.git vim
cd into the repo and run the setup script:
cd vim
sudo yaourt -S cmake clang nodejs #needs cmake, clang and npm. Probably also python and ruby
bash setup.sh
All your .vim* and .gvim* files will end up in an vim.old folder inside the vim
folder you cloned
and will be replaced by symlinks to this repo.