diff --git a/config/hosts/rinnosuke/nixos.nix b/config/hosts/rinnosuke/nixos.nix
index 6878942f..40d1f516 100644
--- a/config/hosts/rinnosuke/nixos.nix
+++ b/config/hosts/rinnosuke/nixos.nix
@@ -1,57 +1,59 @@
 { config, tf, meta, kw, pkgs, lib, sources, ... }: with lib; let
   oci-root = meta.deploy.targets.oci-root.tf;
-  addr_ipv6_nix = let
-    prefix = head (splitString "/" (oci-root.resources.oci_kw_subnet.importAttr "ipv6cidr_block"));
-  in assert hasSuffix "::" prefix; prefix + "7";
+  addr_ipv6_nix =
+    let
+      prefix = head (splitString "/" (oci-root.resources.oci_kw_subnet.importAttr "ipv6cidr_block"));
+    in
+    assert hasSuffix "::" prefix; prefix + "7";
 in
-  {
-    imports = (with (import (sources.tf-nix + "/modules")); [
-      nixos.ubuntu-linux
-      nixos.oracle
-      ./oracle.nix
-    ]) ++ (with meta; [
-      services.knot
-      services.nginx
-    ]);
+{
+  imports = (with (import (sources.tf-nix + "/modules")); [
+    nixos.ubuntu-linux
+    nixos.oracle
+    ./oracle.nix
+  ]) ++ (with meta; [
+    services.knot
+    services.nginx
+  ]);
 
-    services.nginx.virtualHosts =
-      let
-        splashy = pkgs.host-splash-site config.networking.hostName;
-      in
-      kw.virtualHostGen {
-        networkFilter = [ "public" ];
-        block.locations."/" = { root = splashy; };
-      };
+  services.nginx.virtualHosts =
+    let
+      splashy = pkgs.host-splash-site config.networking.hostName;
+    in
+    kw.virtualHostGen {
+      networkFilter = [ "public" ];
+      block.locations."/" = { root = splashy; };
+    };
 
-      networking = {
-        useDHCP = false;
-        hostName = "rinnosuke";
-        interfaces.ens3 = {
-          useDHCP = true;
-          ipv6 = {
-            addresses = mkIf (config.network.addresses.public.ipv6.enable) [{
-              address =  config.network.addresses.public.ipv6.address;
-              prefixLength = 64;
-            }];
-            routes = [{
-                address = "::";
-                prefixLength = 0;
-            }];
-          };
-        };
+  networking = {
+    useDHCP = false;
+    hostName = "rinnosuke";
+    interfaces.ens3 = {
+      useDHCP = true;
+      ipv6 = {
+        addresses = mkIf (config.network.addresses.public.ipv6.enable) [{
+          address = config.network.addresses.public.ipv6.address;
+          prefixLength = 64;
+        }];
+        routes = [{
+          address = "::";
+          prefixLength = 0;
+        }];
       };
+    };
+  };
 
-      network = {
-        addresses = {
-          public = {
-            enable = true;
-            ipv6.address = mkIf (tf.state.resources ? ${tf.resources.${config.networking.hostName}.out.reference}) addr_ipv6_nix;
-          };
-        };
-        firewall.public.interfaces = singleton "ens3";
-        tf = {
-          enable = true;
-          ipv4_attr = "public_ip";
-        };
+  network = {
+    addresses = {
+      public = {
+        enable = true;
+        ipv6.address = mkIf (tf.state.resources ? ${tf.resources.${config.networking.hostName}.out.reference}) addr_ipv6_nix;
       };
-    }
+    };
+    firewall.public.interfaces = singleton "ens3";
+    tf = {
+      enable = true;
+      ipv4_attr = "public_ip";
+    };
+  };
+}
diff --git a/config/services/knot/default.nix b/config/services/knot/default.nix
index 227c1fc5..bbed73ca 100644
--- a/config/services/knot/default.nix
+++ b/config/services/knot/default.nix
@@ -14,9 +14,9 @@
     group = "knot";
   };
 
-/*  environment.etc."katdns/zones/kittywit.ch.zone".text = let
+  /*  environment.etc."katdns/zones/kittywit.ch.zone".text = let
     dns = pkgs.dns;
-  in dns.lib.toString "kittywit.ch." (import ./kittywit.ch.nix {inherit dns; }); */
+    in dns.lib.toString "kittywit.ch." (import ./kittywit.ch.nix {inherit dns; }); */
 
   services.knot = {
     enable = true;
diff --git a/config/users/kat/base/shell.nix b/config/users/kat/base/shell.nix
index 768d2cf7..b382ccee 100644
--- a/config/users/kat/base/shell.nix
+++ b/config/users/kat/base/shell.nix
@@ -20,6 +20,9 @@ in
     nano = ''
       ${pkgs.kitty}/bin/kitty +kitten icat ${./nano.png}
     '';
+    getAlias = ''
+      printf '%s\n' $aliases[$1]
+    '';
   } // shellFunAliases {
     sed = "sd";
     find = "fd";
@@ -55,7 +58,7 @@ in
           "autolist"
           "listrowsfirst"
         ]; in
-        ''
+      ''
         ${if config.anicca.enabled then ''
           HISTFILE=/persist/home/.zsh_history
         '' else ''
diff --git a/config/users/kat/dev/vim/default.nix b/config/users/kat/dev/vim/default.nix
index 95d38159..d70c49cb 100644
--- a/config/users/kat/dev/vim/default.nix
+++ b/config/users/kat/dev/vim/default.nix
@@ -1,34 +1,35 @@
 { config, pkgs, ... }:
 
-let initvim = pkgs.callPackage
-  ({ stdenv, elinks, nodejs }: stdenv.mkDerivation {
-    name = "init.vim";
-    src = ./init.vim;
-    inherit nodejs elinks;
-    buildInputs = [
-      elinks
-      nodejs
-    ];
-    phases = [ "buildPhase" ];
-    buildPhase = ''
-      substituteAll $src $out
-    '';
-  })
-  { };
+let
+  initvim = pkgs.callPackage
+    ({ stdenv, elinks, nodejs }: stdenv.mkDerivation {
+      name = "init.vim";
+      src = ./init.vim;
+      inherit nodejs elinks;
+      buildInputs = [
+        elinks
+        nodejs
+      ];
+      phases = [ "buildPhase" ];
+      buildPhase = ''
+        substituteAll $src $out
+      '';
+    })
+    { };
   cocvim = pkgs.callPackage
-  ({ stdenv, elinks, nodejs }: stdenv.mkDerivation {
-    name = "coc.vim";
-    src = ./coc.vim;
-    inherit nodejs;
-    buildInputs = [
-      nodejs
-    ];
-    phases = [ "buildPhase" ];
-    buildPhase = ''
-      substituteAll $src $out
-    '';
-  })
-  { };
+    ({ stdenv, elinks, nodejs }: stdenv.mkDerivation {
+      name = "coc.vim";
+      src = ./coc.vim;
+      inherit nodejs;
+      buildInputs = [
+        nodejs
+      ];
+      phases = [ "buildPhase" ];
+      buildPhase = ''
+        substituteAll $src $out
+      '';
+    })
+    { };
 in
 {
   programs.neovim = {
diff --git a/config/users/kat/gui/kitty.nix b/config/users/kat/gui/kitty.nix
index a70b7524..51edb8a4 100644
--- a/config/users/kat/gui/kitty.nix
+++ b/config/users/kat/gui/kitty.nix
@@ -2,7 +2,7 @@
 
 {
   wayland.windowManager.sway.extraSessionCommands = ''
-      export KITTY_CACHE_DIRECTORY="/tmp/kitty";
+    export KITTY_CACHE_DIRECTORY="/tmp/kitty";
   '';
   programs.kitty = {
     enable = true;
diff --git a/default.nix b/default.nix
index ac4cd8ad..897be254 100644
--- a/default.nix
+++ b/default.nix
@@ -1,6 +1,6 @@
 let
   # we don't have lib without sources, so we need optionalAttrs
-  optionalAttrs = cond: as: if cond then as else {};
+  optionalAttrs = cond: as: if cond then as else { };
   # Sources are from niv.
   sources = import ./nix/sources.nix // optionalAttrs (builtins.pathExists ./overlays/exprs/default.nix) {
     katexprs = ./overlays/exprs;
diff --git a/overlays/dns/default.nix b/overlays/dns/default.nix
index bcd67cc3..5498cc53 100644
--- a/overlays/dns/default.nix
+++ b/overlays/dns/default.nix
@@ -1,3 +1,3 @@
 { sources, ... }: final: prev: {
-  dns = import ( sources.kirelagin + "/dns") { pkgs = final; };
+  dns = import (sources.kirelagin + "/dns") { pkgs = final; };
 }