Always skip pack/{}/start/{} when has('packages')

This lets you explicitly pass the path in for backwards compatibility without worrying about the Vim version.

Author: tpope

autoload/pathogen.vim

@@ -25,10 +25,10 @@ function! pathogen#infect(...) abort
  if a:0
  let paths = filter(reverse(copy(a:000)), 'type(v:val) == type("")')
  else
- let paths = ['bundle/{}']
-  if !has('packages')
-  call add(paths, 'pack/{}/start/{}')
- endif
+ let paths = ['bundle/{}', 'pack/{}/start/{}']
+ endif
+ if has('packages')
+ call filter(paths, 'v:val !~# "^pack/[^/]*/start/[^/]*$"')
  endif
  let static = '^\%([$~\\/]\|\w:[\\/]\)[^{}*]*[\/]$'
  for path in filter(copy(paths), 'v:val =~# static')