Simplistic pathogen-plug

.vimrc

if !isdirectory(expand("~/.vim/autoload"))
  sil !wget -q https://tpo.pe/pathogen.vim -P ~/.vim/autoload
  sil !mkdir ~/.vim/bundle
en
execute pathogen#infect()
function! s:PluginUpdate()
  let pwd = getcwd()
  let git = '~/.vim/bundle'
  try
  execute 'cd' fnameescape(git)
  echon "Bootstrapping..."
  sil! !echo
  \ https://github.com/kien/ctrlp.vim
  \ https://github.com/mhinz/vim-signify
  \ https://github.com/tpope/vim-vinegar
  \ https://github.com/tpope/vim-sensible
  \ https://github.com/tpope/vim-vividchalk
  \ https://github.com/tpope/vim-commentary
  \ https://github.com/scrooloose/syntastic
  \ https://github.com/junegunn/vim-peekaboo
  \ | xargs -n1 git clone &>/dev/null
  echon "Updating..."
  sil !for file in */  ; do git -C $file pull origin master &>/dev/null; done
  redraw!
  finally
  execute 'cd' fnameescape(pwd)
  endtry
  ec "Done."
  unlet pwd
  unlet git
endfunction
command! PluginUpdate call s:PluginUpdate()