simply place .vimrc in your ~, copy & paste following commands and you're set!

1. pathogen vim:
   mkdir -p ~/.vim/autoload ~/.vim/bundle && curl -LSso ~/.vim/autoload/pathogen.vim https://tpo.pe/pathogen.vim

2. nerdtree vim:
   git clone https://github.com/scrooloose/nerdtree.git ~/.vim/bundle/nerdtree

3. ctrlp:
   cd ~/.vim/bundle && git clone https://github.com/kien/ctrlp.vim

4. fugitive:
   cd ~/.vim/bundle && git clone https://github.com/tpope/vim-fugitive

5. airline:
   git clone https://github.com/vim-airline/vim-airline ~/.vim/bundle/vim-airline

6. google-searchindex:
   cd ~/.vim/bundle && git clone https://github.com/google/vim-searchindex.git

7. install fonts:
   git clone https://github.com/powerline/fonts.git --depth=1
cd fonts
./install.sh
cd ..
rm -rf fonts
fc-cache -vf

8. persistent undo:
   mkdir ~/.vim/undo

9. you complete me:
   cd ~/.vim/bundle && git clone https://github.com/Valloric/YouCompleteMe
cd YouCompleteMe && python ./install.py

10. grep:
    cd ~/.vim/bundle && git clone https://github.com/yegappan/grep