chore: Apply nixfmt

(cherry picked from commit d11c2029c5a33ec522f46dd3e00fec8db2c3729b)

dev/flake-module.nix

@@ -1,9 +1,17 @@
-{ lib, inputs, withSystem, ... }: {
+{
+  lib,
+  inputs,
+  withSystem,
+  ...
+}:
+{
   imports = [
     inputs.pre-commit-hooks-nix.flakeModule
     inputs.hercules-ci-effects.flakeModule
   ];
-  perSystem = { config, pkgs, ... }: {
+  perSystem =
+    { config, pkgs, ... }:
+    {
 
       pre-commit.settings.hooks.nixfmt-rfc-style.enable = true;
       # Temporarily disable rustfmt due to configuration issues
@@ -41,10 +49,14 @@
         NIX_DEBUG_INFO_DIRS =
           let
             # TODO: add to Nixpkgs lib
-          getDebug = pkg:
+            getDebug =
-            if pkg?debug then pkg.debug
+              pkg:
-            else if pkg?lib then pkg.lib
+              if pkg ? debug then
-            else pkg;
+                pkg.debug
+              else if pkg ? lib then
+                pkg.lib
+              else
+                pkg;
           in
           "${getDebug config.packages.nix}/lib/debug";
         buildInputs = [
@@ -73,7 +85,9 @@
         NIX_PATH = "nixpkgs=${inputs.nixpkgs}";
       };
     };
-  herculesCI = hci@{ config, ... }: {
+  herculesCI =
+    hci@{ config, ... }:
+    {
       ciSystems = [ "x86_64-linux" ];
     };
   flake = { };

flake.nix

@@ -10,17 +10,34 @@
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
   };
 
-  outputs = inputs@{ self, flake-parts, ... }:
+  outputs =
-    flake-parts.lib.mkFlake
+    inputs@{ self, flake-parts, ... }:
-      { inherit inputs; }
+    flake-parts.lib.mkFlake { inherit inputs; } (
-      ({ lib, ... }: {
+      {
+        lib,
+        ...
+      }:
+      {
         imports = [
           inputs.nix-cargo-integration.flakeModule
           inputs.flake-parts.flakeModules.partitions
           ./rust/nci.nix
         ];
-        systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+        systems = [
-        perSystem = { config, self', inputs', pkgs, ... }: {
+          "x86_64-linux"
+          "aarch64-linux"
+          "x86_64-darwin"
+          "aarch64-darwin"
+        ];
+        perSystem =
+          {
+            config,
+            self',
+            inputs',
+            pkgs,
+            ...
+          }:
+          {
             packages.nix = inputs'.nix.packages.nix;
           };
 
@@ -31,5 +48,6 @@
         partitions.dev.module = {
           imports = [ ./dev/flake-module.nix ];
         };
-      });
+      }
+    );
 }

rust/nci.nix

@@ -1,5 +1,12 @@
 {
-  perSystem = { lib, config, pkgs, ... }: {
+  perSystem =
+    {
+      lib,
+      config,
+      pkgs,
+      ...
+    }:
+    {
       # https://flake.parts/options/nix-cargo-integration
       nci.projects.nix-bindings = {
         path = ./.;
@@ -8,16 +15,21 @@
             buildInputs = [
               # stdbool.h
               pkgs.stdenv.cc
-          ] ++
+            ]
-          (if config.packages.nix?libs
+            ++ (
-          then
+              if config.packages.nix ? libs then
-            let l = config.packages.nix.libs; in [
+                let
+                  l = config.packages.nix.libs;
+                in
+                [
                   l.nix-expr-c
                   l.nix-store-c
                   l.nix-util-c
                   l.nix-flake-c
                 ]
-          else [ config.packages.nix ]);
+              else
+                [ config.packages.nix ]
+            );
             nativeBuildInputs = [
               pkgs.pkg-config
             ];
@@ -45,21 +57,23 @@
               echo "Configuring relocated store at $NIX_REMOTE..."
 
               # Init ahead of time, because concurrent initialization is flaky
-            ${# Not using nativeBuildInputs because this should (hopefully) be
+              ${
+                # Not using nativeBuildInputs because this should (hopefully) be
                 # the only place where we need a nix binary. Let's stay in control.
-              pkgs.buildPackages.nix}/bin/nix-store --init
+                pkgs.buildPackages.nix
+              }/bin/nix-store --init
 
               echo "Store initialized."
             '';
           };
           # NOTE: duplicated in flake.nix devShell
           env = {
-          LIBCLANG_PATH =
+            LIBCLANG_PATH = lib.makeLibraryPath [ pkgs.buildPackages.llvmPackages.clang-unwrapped ];
-            lib.makeLibraryPath [ pkgs.buildPackages.llvmPackages.clang-unwrapped ];
             BINDGEN_EXTRA_CLANG_ARGS =
               # Work around missing [[deprecated]] in clang
               "-x c++ -std=c++2a";
-        } // lib.optionalAttrs pkgs.stdenv.cc.isGNU {
+          }
+          // lib.optionalAttrs pkgs.stdenv.cc.isGNU {
             # Avoid cc wrapper, because we only need to add the compiler/"system" dirs
             NIX_CC_UNWRAPPED = "${pkgs.stdenv.cc.cc}/bin/gcc";
           };