There is nothing in this commit except for the changes made by nix-shell -p nixfmt-rfc-style --run "nixfmt ." If this has mucked up your open branches then sorry about that. You can probably nixfmt them to match before merging
run e.g. "waitup wlan0 10" to wait until wlan0 is operationally up and running, and then send a newline to file descriptor 10
