feat: introduce treefmt and fmt all

nix/os/devices/router0-hosthatch/configuration.nix

@@ -9,7 +9,8 @@
   system,
   variables,
   ...
-}: {
+}:
+{
   system.stateVersion = "24.05";
 
   imports = [
@@ -48,7 +49,7 @@
       boot.loader.grub.efiSupport = false;
 
       # forcing seems required or else there's an error about duplicated devices
-      boot.loader.grub.devices = lib.mkForce ["/dev/vda"];
+      boot.loader.grub.devices = lib.mkForce [ "/dev/vda" ];
 
       disko.devices.disk.vda = {
         device = "/dev/vda";
@@ -64,14 +65,14 @@
               size = "100%";
               content = {
                 type = "btrfs";
-                extraArgs = ["-f"]; # Override existing partition
+                extraArgs = [ "-f" ]; # Override existing partition
                 subvolumes = {
                   # Subvolume name is different from mountpoint
                   "/rootfs" = {
                     mountpoint = "/";
                   };
                   "/nix" = {
-                    mountOptions = ["noatime"];
+                    mountOptions = [ "noatime" ];
                     mountpoint = "/nix";
                   };
                   "/boot" = {
@@ -156,9 +157,7 @@
       interface = "eth0";
       address = variables.ipv4gateway;
     };
-    nameservers = [
-      variables.ipv4dns
-    ];
+    nameservers = [ variables.ipv4dns ];
 
     # these will be configured via nftables
     nat.enable = lib.mkForce false;
@@ -176,17 +175,20 @@
         snippets.nnf-common.enable = true;
 
         zones.wan = {
-          interfaces = ["eth0"];
+          interfaces = [ "eth0" ];
         };
 
         zones.vpn = {
-          interfaces = ["wg0" "wg1"];
+          interfaces = [
+            "wg0"
+            "wg1"
+          ];
         };
 
         rules = {
           to-fw = {
             from = "all";
-            to = ["fw"];
+            to = [ "fw" ];
             verdict = "drop";
 
             allowedTCPPorts = [
@@ -202,8 +204,8 @@
           };
 
           vpn-to-wan-nat = {
-            from = ["vpn"];
-            to = ["wan"];
+            from = [ "vpn" ];
+            to = [ "wan" ];
             masquerade = true;
             verdict = "accept";
           };
@@ -283,9 +285,7 @@
   systemd.network.networks.wg0 = {
     enable = true;
     matchConfig.Name = "wg0";
-    address = [
-      "10.0.1.0/31"
-    ];
+    address = [ "10.0.1.0/31" ];
 
     routes = [
       {
@@ -299,9 +299,7 @@
   systemd.network.networks.wg1 = {
     enable = true;
     matchConfig.Name = "wg1";
-    address = [
-      "10.0.1.2/31"
-    ];
+    address = [ "10.0.1.2/31" ];
 
     routes = [
       {