.vimrc
" install airline plugin using Vundle
Plugin 'vim-airline/vim-airline' " install airline can read git information
Plugin 'tpope/vim-fugitive'
install font & setting
" install font & set git clone https://github.com/powerline/fonts
cd fonts && ./install.sh
setting airline
.vimrc
" set airline bar fonts
set laststatus=
let g:airline_powerline_fonts = 1 " display full path
let g:airline_section_c = '%<%F%m %#__accent_red#%{airline#util#wrap(airline#parts#readonly(),0)}%#__restore__#'
reference : http://wen00072.github.io/