[18/08/23] automatic installation of vim-plug

.vimrc

@@ -13,6 +13,12 @@ set wildmode=list:longest
 set wildignore=*.docx,*.jpg,*.png,*.gif,*.pdf,*.pyc,*.exe,*.flv,*.img,*.xlsx
 
 " plugins
+let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
+if empty(glob(data_dir . '/autoload/plug.vim'))
+  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
+  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
+endif
+
 call plug#begin()
 Plug 'morhetz/gruvbox'
 Plug 'vim-airline/vim-airline'