feat: introduce treefmt and fmt all

nix/os/devices/vmd102066.contaboserver.net/pkg.nix

@@ -3,7 +3,8 @@
   pkgs,
   lib,
   ...
-}: {
+}:
+{
   home-manager.users.steveej = import ../../../home-manager/configuration/text-minimal.nix {
     inherit pkgs;
   };
@@ -12,7 +13,12 @@
     {
       hostName = "localhost";
       system = "x86_64-linux";
-      supportedFeatures = ["kvm" "nixos-test" "big-parallel" "benchmark"];
+      supportedFeatures = [
+        "kvm"
+        "nixos-test"
+        "big-parallel"
+        "benchmark"
+      ];
       maxJobs = 4;
     }
   ];
@@ -22,7 +28,7 @@
     hydraURL = "http://localhost:3000"; # externally visible URL
     notificationSender = "hydra@${config.networking.hostName}.stefanjunker.de"; # e-mail of hydra service
     # a standalone hydra will require you to unset the buildMachinesFiles list to avoid using a nonexistant /etc/nix/machines
-    buildMachinesFiles = [];
+    buildMachinesFiles = [ ];
     # you will probably also want, otherwise *everything* will be built from scratch
     useSubstitutes = true;
   };
@@ -30,7 +36,13 @@
   services.gitlab-runner = {
     enable = false;
 
-    extraPackages = with pkgs; [bash gitlab-runner nix gitFull git-crypt];
+    extraPackages = with pkgs; [
+      bash
+      gitlab-runner
+      nix
+      gitFull
+      git-crypt
+    ];
 
     concurrent = 2;
     checkInterval = 0;
@@ -39,7 +51,7 @@
         executor = "shell";
         runUntagged = true;
         registrationConfigFile = "/etc/secrets/gitlab-runner/nix-runner.registration";
-        tagList = ["nix"];
+        tagList = [ "nix" ];
       };
     };
   };