Store .swp files on a SDGish user-specific place: ~/.local/share/vim

dotfiles/vim/vimrc

@@ -98,3 +98,19 @@ set autoindent
 
 set pastetoggle=<F4>
 nmap <F3> :set invnumber<CR>
+
+
+" ###############################################################################
+" ## from http://stackoverflow.com/a/9528322/835945
+" ###############################################################################
+
+" Save your swp files to a less annoying place than the current directory.
+" If you have .vim-swap in the current directory, it'll use that.
+" Otherwise it saves it to ~/.vim/swap, ~/tmp or .
+if isdirectory($HOME . '/.local/share/vim') == 0
+  :silent !mkdir -p ~/.vim/swap >/dev/null 2>&1
+  endif
+  set directory=./.vim-swap//
+  set directory+=~/.local/share/vim//
+  set directory+=~/tmp//
+  set directory+=.