{ liminix , busybox , writeShellScript } : let inherit (liminix.services) longrun; in interface: { ... } @ args: let name = "${interface.device}.udhcp"; script = writeShellScript "udhcp-notify" '' action=$1 set_address() { ip address replace $ip/$mask dev $interface dir=/run/service-state/${name}/ mkdir -p $dir for i in lease mask ip router siaddr dns serverid subnet opt53 interface ; do echo ''${!i} > $dir/$i done } case $action in deconfig) ip address flush $interface ip link set up dev $interface ;; bound) # this doesn't actually replace, it adds a new address. set_address ;; renew) set_address ;; nak) echo "received NAK on $interface" ;; esac ''; in longrun { inherit name; run = "${busybox}/bin/udhcpc -f -i ${interface.device} -s ${script}"; dependencies = [ interface ]; } # lease=86400 # mask=24 # ip=10.0.2.15 # router=10.0.2.2 # siaddr=10.0.2.2 # dns=10.0.2.3 # serverid=10.0.2.2 # subnet=255.255.255.0 # SHLVL=2 # opt53=05 # interface=eth0 # PATH=/nix/store/npy692wik809z3vdwrkrj2wixjkr33kp-busybox-mips-unknown-linux-musl-1.35.0/bin:/nix/store/ # pj0b27l5728cypa5mmagz0q8ibzpik0h-execline-mips-unknown-linux-musl-2.9.0.1-bin/bin:/nix/store/rfjiw4dnv29daqc9971qmica1h86l0s0-s6-linux-init-mips-unknown-linux-musl-1.0.8.0-bin/bin:/nix/store/4wn3jm7yy2gfi0is0yy75lifbq5zjwz7-s6-rc-mips-unknown-linux-musl-0.5.3.2-bin/bin:/usr/bin:/bin # _=/nix/store/npy692wik809z3vdwrkrj2wixjkr33kp-busybox-mips-unknown-linux-musl-1.35.0/bin/env # /