shorten system/tailscale

system/tailscale/default.nix

@@ -7,8 +7,9 @@
   lib,
   ...
 }:
-let
-  tailscaleWaitScript = pkgs.writeShellScript "tailscale-wait-for-ip" ''
+{
+  systemd.services.tailscaled = {
+    serviceConfig.ExecStartPost = pkgs.writeShellScript "tailscale-wait-for-ip" ''
       echo "Waiting for tailscale0 to get an IP address..."
       for i in {1..15}; do
         if ${lib.getExe' pkgs.iproute2 "ip"} addr show dev tailscale0 2>/dev/null | ${lib.getExe' pkgs.gnugrep "grep"} -q 'inet '; then
@@ -21,12 +22,6 @@ let
       echo "Warning: tailscale0 did not get IP address within 15 seconds"
       exit 0
     '';
-in
-{
-  systemd.services.tailscaled = {
-    serviceConfig = {
-      ExecStartPost = tailscaleWaitScript;
-    };
   };
 
   services.tailscale = {