fixes existing commands

modules/fish/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ ... }:
 
 {
   programs.fish = {
@@ -8,6 +8,9 @@
       fish_greeting = "fortune -a";
       localip = "ifconfig | grep \"inet \" | grep -v 127.0.0.1 | awk '{print $2}' | head -n 1";
       publicip = "curl -4 ifconfig.me";
+      kill_tunnels = /* fish */ ''
+        ps -o pid,command | grep "^[0-9]\{4,5\} ssh -fNL" | awk '{print $1}' | xargs kill -9
+      '';
       dev_projects = /* fish */ ''
         if test "$hn" = "dnsc-work"
           begin