+# Start ssh-agent if we have private keys, thanks to
+# http://code.haskell.org/XMonadContrib/scripts/xinitrc (read on 2011-06-19).
+if [ -x /usr/bin/ssh-agent -a -f "$HOME/.ssh/id_rsa" ]; then
+ # -s to force bourne shell output. This file is a bourne shell script even
+ # if the environment might suggest otherwise.
+ eval `/usr/bin/ssh-agent -s`
+fi
+