mkdir ~/.vim
mkdir ~/.vim/ftdetect
mkdir ~/.vim/syntax
cp ftdetect/espresso.vim ~/.vim/ftdetect/espresso.vim
cp syntax/espresso.vim ~/.vim/syntax/espresso.vim
sh install.sh
or
chmod +x install.sh
./install.sh
cd ~/.vim/janus/vim/langs
git clone https://github.com/leseixas/quantum_espresso-vim.git