diff --git a/flake.nix b/flake.nix
index 5151b769..808db7ec 100644
--- a/flake.nix
+++ b/flake.nix
@@ -340,9 +340,12 @@
                 networking.hostName = lib.mkOverride 2000 host';
               })
               (lib'.optionalAttrs (lib'.hasAttr host' images)
-                (let
-                  imageFormat = images.${host'}.format;
-                  in inputs.nixos-generators.nixosModules.${imageFormat}))
+                (
+                  let
+                    imageFormat = images.${host'}.format;
+                  in
+                  inputs.nixos-generators.nixosModules.${imageFormat}
+                ))
               hostSharedConfig
               path
             ];
@@ -388,24 +391,25 @@
 
       # My custom packages, available in here as well. Though, I mainly support
       # "x86_64-linux". I just want to try out supporting other systems.
-      packages = forAllSystems (system: let
-        pkgs = import nixpkgs { inherit system overlays; };
-      in
+      packages = forAllSystems (system:
+        let
+          pkgs = import nixpkgs { inherit system overlays; };
+        in
         inputs.flake-utils.lib.flattenTree (import ./pkgs { inherit pkgs; })
         // lib'.mapAttrs'
-            (name: value:
-              lib'.nameValuePair "${name}-${value.format}" (mkImage {
-                inherit system pkgs extraArgs;
-                inherit (value) format;
-                extraModules = [
-                  ({ lib, ... }: {
-                    networking.hostName = lib.mkOverride 2000 name;
-                  })
-                  hostSharedConfig
-                  ./hosts/${name}
-                ];
-              }))
-            images);
+          (name: value:
+            lib'.nameValuePair "${name}-${value.format}" (mkImage {
+              inherit system pkgs extraArgs;
+              inherit (value) format;
+              extraModules = [
+                ({ lib, ... }: {
+                  networking.hostName = lib.mkOverride 2000 name;
+                })
+                hostSharedConfig
+                ./hosts/${name}
+              ];
+            }))
+          images);
 
       # My several development shells for usual type of projects. This is much
       # more preferable than installing all of the packages at the system
@@ -445,31 +449,33 @@
       # sensitive info such as the hostname and such. A helpful tip would be
       # ignoring the shell entry by simply prefixing it with a space which most
       # command-line shells have support for (e.g., Bash, zsh, fish).
-      deploy.nodes = let
-        nixosConfigurations = lib'.mapAttrs'
-          (name: value:
-            lib'.nameValuePair "nixos-${name}" {
-              hostname = name;
-              fastConnection = true;
-              profiles.system = {
-                sshUser = "admin";
-                user = "root";
-                path = inputs.deploy.lib.${defaultSystem}.activate.nixos value;
-              };
-            })
-          self.nixosConfigurations;
-        homeManagerConfigurations = lib'.mapAttrs'
-          (name: value:
-            lib'.nameValuePair "home-manager-${name}" {
-              hostname = name;
-              fastConnection = true;
-              profiles.home = {
-                sshUser = name;
-                path = inputs.deploy.lib.${defaultSystem}.activate.home-manager value;
-              };
-            })
-          self.homeManagerConfigurations;
-      in nixosConfigurations // homeManagerConfigurations;
+      deploy.nodes =
+        let
+          nixosConfigurations = lib'.mapAttrs'
+            (name: value:
+              lib'.nameValuePair "nixos-${name}" {
+                hostname = name;
+                fastConnection = true;
+                profiles.system = {
+                  sshUser = "admin";
+                  user = "root";
+                  path = inputs.deploy.lib.${defaultSystem}.activate.nixos value;
+                };
+              })
+            self.nixosConfigurations;
+          homeManagerConfigurations = lib'.mapAttrs'
+            (name: value:
+              lib'.nameValuePair "home-manager-${name}" {
+                hostname = name;
+                fastConnection = true;
+                profiles.home = {
+                  sshUser = name;
+                  path = inputs.deploy.lib.${defaultSystem}.activate.home-manager value;
+                };
+              })
+            self.homeManagerConfigurations;
+        in
+        nixosConfigurations // homeManagerConfigurations;
 
       # How to make yourself slightly saner than before. So far the main checks
       # are for deploy nodes.
diff --git a/hosts/ni/default.nix b/hosts/ni/default.nix
index fde38343..4a1eea62 100644
--- a/hosts/ni/default.nix
+++ b/hosts/ni/default.nix
@@ -27,19 +27,20 @@
     type = "ed25519";
   }];
 
-  sops.secrets = let
-    getKey = key: {
-      inherit key;
-      sopsFile = ./secrets/secrets.yaml;
-    };
-    getSecrets = secrets:
-      lib.mapAttrs'
-        (secret: config:
-          lib.nameValuePair
-            "ni/${secret}"
-            ((getKey secret) // config))
-        secrets;
-  in
+  sops.secrets =
+    let
+      getKey = key: {
+        inherit key;
+        sopsFile = ./secrets/secrets.yaml;
+      };
+      getSecrets = secrets:
+        lib.mapAttrs'
+          (secret: config:
+            lib.nameValuePair
+              "ni/${secret}"
+              ((getKey secret) // config))
+          secrets;
+    in
     getSecrets {
       ssh-key = { };
       "ldap/password" = { };
diff --git a/hosts/plover/default.nix b/hosts/plover/default.nix
index 8023dabe..0c0b1c07 100644
--- a/hosts/plover/default.nix
+++ b/hosts/plover/default.nix
@@ -220,7 +220,8 @@ in
             CREATE SCHEMA AUTHORIZATION ${user.name};
           '')
           config.services.postgresql.ensureUsers;
-      in pkgs.writeText "plover-initial-postgresql-script" ''
+      in
+      pkgs.writeText "plover-initial-postgresql-script" ''
         ${lib.concatStringsSep "\n" perUserSchemas}
       '';
 
@@ -554,14 +555,16 @@ in
      IdentityFile ${config.sops.secrets."plover/borg/ssh-key".path}
   '';
 
-  systemd.tmpfiles.rules = let
-    # To be used similarly to $GITEA_CUSTOM variable.
-    giteaCustomDir = "${config.services.gitea.stateDir}/custom";
-  in [
-    "L+ ${giteaCustomDir}/templates/home.tmpl - - - - ${./files/gitea/home.tmpl}"
-    "L+ ${giteaCustomDir}/public/img/logo.svg - - - - ${./files/gitea/logo.svg}"
-    "L+ ${giteaCustomDir}/public/img/logo.png - - - - ${./files/gitea/logo.png}"
-  ];
+  systemd.tmpfiles.rules =
+    let
+      # To be used similarly to $GITEA_CUSTOM variable.
+      giteaCustomDir = "${config.services.gitea.stateDir}/custom";
+    in
+    [
+      "L+ ${giteaCustomDir}/templates/home.tmpl - - - - ${./files/gitea/home.tmpl}"
+      "L+ ${giteaCustomDir}/public/img/logo.svg - - - - ${./files/gitea/logo.svg}"
+      "L+ ${giteaCustomDir}/public/img/logo.png - - - - ${./files/gitea/logo.png}"
+    ];
 
   system.stateVersion = "22.11";
 }
diff --git a/modules/nixos/tasks/multimedia-archive/default.nix b/modules/nixos/tasks/multimedia-archive/default.nix
index cb14028b..53500b5a 100644
--- a/modules/nixos/tasks/multimedia-archive/default.nix
+++ b/modules/nixos/tasks/multimedia-archive/default.nix
@@ -126,9 +126,10 @@ in
         withDependencies = true;
         webserver.enable = true;
 
-        jobs = mkJobs {
-          db = lib.importJSON ./data/jobs.archivebox.json;
-        } // {
+        jobs = mkJobs
+          {
+            db = lib.importJSON ./data/jobs.archivebox.json;
+          } // {
           computer = {
             urls = [
               "https://blog.mozilla.org/en/feed/"
diff --git a/modules/nixos/tasks/multimedia-archive/scripts/create-jobs-from-rss-opml.py b/modules/nixos/tasks/multimedia-archive/scripts/create-jobs-from-rss-opml.py
index 2cb82bba..92e00563 100755
--- a/modules/nixos/tasks/multimedia-archive/scripts/create-jobs-from-rss-opml.py
+++ b/modules/nixos/tasks/multimedia-archive/scripts/create-jobs-from-rss-opml.py
@@ -170,7 +170,9 @@ class Outline(object):
                         if not category:
                             continue
 
-                        category_hierarchy = filter(lambda split: split.strip(), category.split("/"))
+                        category_hierarchy = filter(
+                            lambda split: split.strip(), category.split("/")
+                        )
                         first_category_split = first(None, category_hierarchy)
                         if first_category_split is None:
                             continue
@@ -231,10 +233,7 @@ def create_jobs_from_outline(root_outline: Outline, categories=[]):
         for subscription in outline.subscriptions:
             # There are some things that are meant not to be shown (i.e.,
             # `categories`) so we're putting it in a data template.
-            subscription_data = {
-                "name": subscription.name,
-                "url": subscription.url
-            }
+            subscription_data = {"name": subscription.name, "url": subscription.url}
 
             if subscription.description:
                 subscription_data["description"] = subscription.description
diff --git a/pkgs/domterm/default.nix b/pkgs/domterm/default.nix
index 5d0f851f..ad370321 100644
--- a/pkgs/domterm/default.nix
+++ b/pkgs/domterm/default.nix
@@ -26,7 +26,8 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = with qt5; [
-    autoreconfHook pkg-config
+    autoreconfHook
+    pkg-config
     wrapQtAppsHook
     qtbase
     qtwebchannel
diff --git a/users/nixos/admin/default.nix b/users/nixos/admin/default.nix
index 0eb96d04..db8b34a9 100644
--- a/users/nixos/admin/default.nix
+++ b/users/nixos/admin/default.nix
@@ -36,6 +36,6 @@ in
 
   # Allow the user to easily enter into several services such as the database
   # services to allowing some debugging.
-  services.postgresql.ensureUsers = [ { inherit name; } ];
-  services.mysql.ensureUsers = [ { inherit name; } ];
+  services.postgresql.ensureUsers = [{ inherit name; }];
+  services.mysql.ensureUsers = [{ inherit name; }];
 }