style: run treefmt, remove unused recursive-merge

flake.nix

@@ -52,7 +52,12 @@
         ./overlays
       ];
 
-      perSystem = args@{ system, pkgs, config, ... }: {
+      perSystem = args @ {
+        system,
+        pkgs,
+        config,
+        ...
+      }: {
         _module.args = {
           inherit inputs;
           pkgs = import inputs.nixpkgs {

hosts/default.nix

@@ -1,5 +1,8 @@
-{ self, inputs, ...}:
 {
+  self,
+  inputs,
+  ...
+}: {
   flake = {
     nixosConfigurations = {
       pioneer-momo-koeln = self.nixos-flake.lib.mkLinuxSystem {

lib/add-local-hostname.nix

@@ -1,5 +1,4 @@
-{ lib }:
-hostnames: {
+{lib}: hostnames: {
   "127.0.0.1" = hostnames;
   "::1" = hostnames;
 }

lib/default.nix

@@ -1,4 +1,8 @@
-{ lib, inputs, ... }: {
+{
+  lib,
+  inputs,
+  ...
+}: {
   # Configuration common to all Linux systems
   flake = {
     lib = let
@@ -12,7 +16,6 @@
 
       deploy = import ./deploy.nix {inherit inputs lib;};
       addLocalHostname = callLibs ./add-local-hostname.nix;
-      recursiveMerge = callLibs ./recursive-merge.nix;
     };
   };
 }

lib/deploy.nix

@@ -4,8 +4,10 @@
 *
 * Licensed under the MIT license
 */
-
-{ lib, inputs }: let
+{
+  lib,
+  inputs,
+}: let
   getFqdn = c: let
     net = c.config.networking;
     fqdn =

lib/recursive-merge.nix

@@ -1,16 +0,0 @@
-{ lib }:
-attrList:
-let
-  f = attrPath:
-    zipAttrsWith (
-      n: values:
-        if tail values == []
-        then head values
-        else if all isList values
-        then unique (concatLists values)
-        else if all isAttrs values
-        then f (attrPath ++ [n]) values
-        else last values
-    );
-in
-  f [] attrList;

modules/ddclient/default.nix

@@ -3,16 +3,24 @@
   pkgs,
   lib,
   ...
-}:
-let
+}: let
   cfg = config.services.ddclient;
-  boolToStr = bool: if bool then "yes" else "no";
+  boolToStr = bool:
+    if bool
+    then "yes"
+    else "no";
   dataDir = "/var/lib/ddclient";
   StateDirectory = builtins.baseNameOf dataDir;
   RuntimeDirectory = StateDirectory;
 
-  usev4 = if cfg.usev4 != "" then "usev4=${cfg.usev4}" else "";
-  usev6 = if cfg.usev6 != "" then "usev6=${cfg.usev6}" else "";
+  usev4 =
+    if cfg.usev4 != ""
+    then "usev4=${cfg.usev4}"
+    else "";
+  usev6 =
+    if cfg.usev6 != ""
+    then "usev6=${cfg.usev6}"
+    else "";
 
   configFile' = pkgs.writeText "ddclient.conf" ''
     # This file can be used as a template for configFile or is automatically generated by Nix options.
@@ -22,7 +30,11 @@ let
     cache=${dataDir}/ddclient.cache
     foreground=yes
     login=${cfg.username}
-    password=${if cfg.protocol == "nsupdate" then "/run/${RuntimeDirectory}/ddclient.key" else "@password_placeholder@"}
+    password=${
+      if cfg.protocol == "nsupdate"
+      then "/run/${RuntimeDirectory}/ddclient.key"
+      else "@password_placeholder@"
+    }
     protocol=${cfg.protocol}
     ${lib.optionalString (cfg.script != "") "script=${cfg.script}"}
     ${lib.optionalString (cfg.server != "") "server=${cfg.server}"}
@@ -34,28 +46,41 @@ let
     ${cfg.extraConfig}
     ${lib.concatStringsSep "," cfg.domains}
   '';
-  configFile = if (cfg.configFile != null) then cfg.configFile else configFile';
+  configFile =
+    if (cfg.configFile != null)
+    then cfg.configFile
+    else configFile';
 
   preStart = ''
     install --mode=600 --owner=$USER ${configFile} /run/${RuntimeDirectory}/ddclient.conf
-    ${lib.optionalString (cfg.configFile == null) (if (cfg.protocol == "nsupdate") then ''
+    ${lib.optionalString (cfg.configFile == null) (
+      if (cfg.protocol == "nsupdate")
+      then ''
         install --mode=600 --owner=$USER ${cfg.passwordFile} /run/${RuntimeDirectory}/ddclient.key
-    '' else if (cfg.passwordFile != null) then ''
+      ''
+      else if (cfg.passwordFile != null)
+      then ''
         "${pkgs.replace-secret}/bin/replace-secret" "@password_placeholder@" "${cfg.passwordFile}" "/run/${RuntimeDirectory}/ddclient.conf"
-    '' else ''
+      ''
+      else ''
         sed -i '/^password=@password_placeholder@$/d' /run/${RuntimeDirectory}/ddclient.conf
-    '')}
+      ''
+    )}
   '';
-in with lib; {
+in
+  with lib; {
     disabledModules = [
       "services/networking/ddclient.nix"
     ];
 
     imports = [
       (mkChangedOptionModule ["services" "ddclient" "domain"] ["services" "ddclient" "domains"]
-      (config:
-        let value = getAttrFromPath [ "services" "ddclient" "domain" ] config;
-        in if value != "" then [ value ] else []))
+        (config: let
+          value = getAttrFromPath ["services" "ddclient" "domain"] config;
+        in
+          if value != ""
+          then [value]
+          else []))
       (mkRemovedOptionModule ["services" "ddclient" "homeDir"] "")
       (mkRemovedOptionModule ["services" "ddclient" "password"] "Use services.ddclient.passwordFile instead.")
     ];
@@ -212,7 +237,6 @@ in with lib; {
       };
     };
 
-
     ###### implementation
 
     config = mkIf config.services.ddclient.enable {

modules/graphical/sway/default.nix

@@ -24,7 +24,8 @@ in {
       '';
     };
 
-    environment.systemPackages = with pkgs; mkIf psCfg.graphical.v4l2loopback.enable [
+    environment.systemPackages = with pkgs;
+      mkIf psCfg.graphical.v4l2loopback.enable [
         linuxPackages.v4l2loopback
       ];
 

modules/invoiceplane/default.nix

@@ -1,14 +1,17 @@
-{ config, pkgs, lib, ... }:
-
-with lib;
-
-let
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
   cfg = config.services.invoiceplane;
   eachSite = cfg.sites;
   user = "invoiceplane";
   webserver = config.services.${cfg.webserver};
 
-  invoiceplane-config = hostName: cfg: pkgs.writeText "ipconfig.php" ''
+  invoiceplane-config = hostName: cfg:
+    pkgs.writeText "ipconfig.php" ''
       IP_URL=http://${hostName}
       ENABLE_DEBUG=false
       DISABLE_SETUP=false
@@ -16,7 +19,11 @@ let
       DB_HOSTNAME=${cfg.database.host}
       DB_USERNAME=${cfg.database.user}
       # NOTE: file_get_contents adds newline at the end of returned string
-    DB_PASSWORD=${if cfg.database.passwordFile == null then "" else "trim(file_get_contents('${cfg.database.passwordFile}'),\"\\r\\n\")"}
+      DB_PASSWORD=${
+        if cfg.database.passwordFile == null
+        then ""
+        else "trim(file_get_contents('${cfg.database.passwordFile}'),\"\\r\\n\")"
+      }
       DB_DATABASE=${cfg.database.name}
       DB_PORT=${toString cfg.database.port}
       SESS_EXPIRATION=864000
@@ -28,11 +35,13 @@ let
       REMOVE_INDEXPHP=true
     '';
 
-  extraConfig = hostName: cfg: pkgs.writeText "extraConfig.php" ''
+  extraConfig = hostName: cfg:
+    pkgs.writeText "extraConfig.php" ''
       ${toString cfg.extraConfig}
     '';
 
-  pkg = hostName: cfg: pkgs.stdenv.mkDerivation rec {
+  pkg = hostName: cfg:
+    pkgs.stdenv.mkDerivation rec {
       pname = "invoiceplane-${hostName}";
       version = src.version;
       src = pkgs.invoiceplane;
@@ -64,10 +73,12 @@ let
       '';
     };
 
-  siteOpts = { lib, name, ... }:
-    {
+  siteOpts = {
+    lib,
+    name,
+    ...
+  }: {
     options = {
-
       enable = mkEnableOption (lib.mdDoc "InvoicePlane web application");
 
       stateDir = mkOption {
@@ -186,7 +197,6 @@ let
       };
 
       cron = {
-
         enable = mkOption {
           type = types.bool;
           default = false;
@@ -202,14 +212,10 @@ let
           type = types.str;
           description = lib.mdDoc "Cron key taken from the administration page.";
         };
-
       };
-
     };
-
   };
-in
-{
+in {
   disabledModules = [
     "services/web-apps/invoiceplane.nix"
   ];
@@ -218,7 +224,6 @@ in
   options = {
     services.invoiceplane = mkOption {
       type = types.submodule {
-
         options.sites = mkOption {
           type = types.attrsOf (types.submodule siteOpts);
           default = {};
@@ -237,53 +242,61 @@ in
       default = {};
       description = lib.mdDoc "InvoicePlane configuration.";
     };
-
   };
 
   # implementation
-  config = mkIf (eachSite != {}) (mkMerge [{
-
-    assertions = flatten (mapAttrsToList (hostName: cfg:
-      [{ assertion = cfg.database.createLocally -> cfg.database.user == user;
+  config = mkIf (eachSite != {}) (mkMerge [
+    {
+      assertions = flatten (mapAttrsToList (hostName: cfg: [
+          {
+            assertion = cfg.database.createLocally -> cfg.database.user == user;
             message = ''services.invoiceplane.sites."${hostName}".database.user must be ${user} if the database is to be automatically provisioned'';
           }
-      { assertion = cfg.database.createLocally -> cfg.database.passwordFile == null;
+          {
+            assertion = cfg.database.createLocally -> cfg.database.passwordFile == null;
             message = ''services.invoiceplane.sites."${hostName}".database.passwordFile cannot be specified if services.invoiceplane.sites."${hostName}".database.createLocally is set to true.'';
           }
-      { assertion = cfg.cron.enable -> cfg.cron.key != null;
+          {
+            assertion = cfg.cron.enable -> cfg.cron.key != null;
             message = ''services.invoiceplane.sites."${hostName}".cron.key must be set in order to use cron service.'';
           }
-    ]) eachSite);
+        ])
+        eachSite);
 
       services.mysql = mkIf (any (v: v.database.createLocally) (attrValues eachSite)) {
         enable = true;
         package = mkDefault pkgs.mariadb;
         ensureDatabases = mapAttrsToList (hostName: cfg: cfg.database.name) eachSite;
-      ensureUsers = mapAttrsToList (hostName: cfg:
-        { name = cfg.database.user;
+        ensureUsers =
+          mapAttrsToList (
+            hostName: cfg: {
+              name = cfg.database.user;
               ensurePermissions = {"${cfg.database.name}.*" = "ALL PRIVILEGES";};
             }
-      ) eachSite;
+          )
+          eachSite;
       };
 
       services.phpfpm = {
         phpPackage = pkgs.php81;
-      pools = mapAttrs' (hostName: cfg: (
+        pools =
+          mapAttrs' (hostName: cfg: (
             nameValuePair "invoiceplane-${hostName}" {
               inherit user;
               group = webserver.group;
-          settings = {
+              settings =
+                {
                   "listen.owner" = webserver.user;
                   "listen.group" = webserver.group;
-          } // cfg.poolConfig;
                 }
-      )) eachSite;
+                // cfg.poolConfig;
+            }
+          ))
+          eachSite;
       };
-
     }
 
     {
-
       systemd.tmpfiles.rules = flatten (mapAttrsToList (hostName: cfg: [
           "d ${cfg.stateDir} 0750 ${user} ${webserver.group} - -"
           "f ${cfg.stateDir}/ipconfig.php 0750 ${user} ${webserver.group} - -"
@@ -294,18 +307,19 @@ in
           "d ${cfg.stateDir}/uploads/temp 0750 ${user} ${webserver.group} - -"
           "d ${cfg.stateDir}/uploads/temp/mpdf 0750 ${user} ${webserver.group} - -"
           "d ${cfg.stateDir}/tmp 0750 ${user} ${webserver.group} - -"
-    ]) eachSite);
+        ])
+        eachSite);
 
       systemd.services.invoiceplane-config = {
         serviceConfig.Type = "oneshot";
-      script = concatStrings (mapAttrsToList (hostName: cfg:
-        ''
+        script = concatStrings (mapAttrsToList (hostName: cfg: ''
             mkdir -p ${cfg.stateDir}/logs \
                      ${cfg.stateDir}/uploads
             if ! grep -q IP_URL "${cfg.stateDir}/ipconfig.php"; then
               cp "${invoiceplane-config hostName cfg}" "${cfg.stateDir}/ipconfig.php"
             fi
-        '') eachSite);
+          '')
+          eachSite);
         wantedBy = ["multi-user.target"];
       };
 
@@ -313,13 +327,12 @@ in
         group = webserver.group;
         isSystemUser = true;
       };
-
     }
     {
-
       # Cron service implementation
 
-    systemd.timers = mapAttrs' (hostName: cfg: (
+      systemd.timers =
+        mapAttrs' (hostName: cfg: (
           nameValuePair "invoiceplane-cron-${hostName}" (mkIf cfg.cron.enable {
             wantedBy = ["timers.target"];
             timerConfig = {
@@ -328,7 +341,8 @@ in
               Unit = "invoiceplane-cron-${hostName}.service";
             };
           })
-    )) eachSite;
+        ))
+        eachSite;
 
       systemd.services =
         mapAttrs' (hostName: cfg: (
@@ -339,14 +353,15 @@ in
               ExecStart = "${pkgs.curl}/bin/curl --header 'Host: ${hostName}' http://localhost/invoices/cron/recur/${cfg.cron.key}";
             };
           })
-    )) eachSite;
-
+        ))
+        eachSite;
     }
 
     (mkIf (cfg.webserver == "caddy") {
       services.caddy = {
         enable = true;
-      virtualHosts = mapAttrs' (hostName: cfg: (
+        virtualHosts =
+          mapAttrs' (hostName: cfg: (
             nameValuePair "http://${hostName}" {
               extraConfig = ''
                 root * ${pkg hostName cfg}
@@ -354,9 +369,9 @@ in
                 php_fastcgi unix/${config.services.phpfpm.pools."invoiceplane-${hostName}".socket}
               '';
             }
-      )) eachSite;
+          ))
+          eachSite;
       };
     })
-
   ]);
 }

modules/nix/default.nix

@@ -5,7 +5,8 @@
   flake,
   ...
 }: {
-  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+  nixpkgs.config.allowUnfreePredicate = pkg:
+    builtins.elem (lib.getName pkg) [
       "1password"
       "1password-cli"
       "cups-brother-hl3140cw"

modules/printing/default.nix

@@ -16,11 +16,15 @@
   services.printing.listenAddresses = ["localhost:631"];
   services.printing.defaultShared = lib.mkDefault false;
 
-  services.printing.drivers = [
+  services.printing.drivers =
+    [
       pkgs.gutenprint
-  ] ++ (if (pkgs.system == "x86_64-linux")
+    ]
+    ++ (
+      if (pkgs.system == "x86_64-linux")
       then [pkgs.cups-brother-hl3140cw]
-  else []);
+      else []
+    );
 
   networking.hosts = flake.self.lib.addLocalHostname ["cups.local"];
 

modules/terminal-life/direnv/default.nix

@@ -1,5 +1,4 @@
-{ ... }:
-{
+{...}: {
   enable = true;
   nix-direnv = {
     enable = true;

modules/terminal-life/git/default.nix

@@ -1,5 +1,4 @@
-{ ... }:
-{
+{...}: {
   enable = true;
 
   extraConfig = {

modules/terminal-life/nvim/default.nix

@@ -44,7 +44,8 @@ in {
       universal-ctags
     ];
 
-  plugins = with pkgs.vimPlugins; lib.mkIf cfg.full [
+  plugins = with pkgs.vimPlugins;
+    lib.mkIf cfg.full [
       (pkgs.vimPlugins.nvim-treesitter.withPlugins (p: [
         p.ini
         p.json

overlays/default.nix

@@ -6,18 +6,16 @@
 }: {
   flake = {
     nixosModules = rec {
-      overlays = ({ ... }: {
+      overlays = {...}: {
         nixpkgs.overlays = [
-          (final: prev:
-          let
+          (final: prev: let
             unstable = import inputs.unstable {
               system = prev.system;
             };
             master = import inputs.master {
               system = prev.system;
             };
-          in
-          {
+          in {
             direnv = unstable.direnv;
             nix-direnv = unstable.nix-direnv;
             #vimPlugins = prev.vimPlugins // {inherit (unstable.vimPlugins) nvim-lspconfig;};
@@ -31,7 +29,7 @@
           (import ./nix-index.nix)
           (import ./neovim-plugins.nix)
         ];
-      });
+      };
     };
   };
 }

users/default.nix

@@ -1,5 +1,4 @@
-{ self, ... }:
-{
+{self, ...}: {
   flake = {
     nixosModules = rec {
       root = import ./root;

users/root/default.nix

@@ -1,4 +1,3 @@
-{...}:
-{
+{...}: {
   users.users.root.hashedPassword = "";
 }