style(nix): run nix fmt

Signed-off-by: Thomas Mühlbacher <tmuehlbacher@posteo.net>

build.nix

@@ -1,12 +1,31 @@
-{ lib, stdenv, pkg-config, attr, libuuid, libsodium, keyutils, liburcu, zlib
+{
-, libaio, udev, zstd, lz4, nix-gitignore, rustPlatform, rustc, cargo, fuse3
+  lib,
-, fuseSupport ? false, }:
+  stdenv,
+  pkg-config,
+  attr,
+  libuuid,
+  libsodium,
+  keyutils,
+  liburcu,
+  zlib,
+  libaio,
+  udev,
+  zstd,
+  lz4,
+  nix-gitignore,
+  rustPlatform,
+  rustc,
+  cargo,
+  fuse3,
+  fuseSupport ? false,
+}:
 let
   src = nix-gitignore.gitignoreSource [ ] ./.;
 
   commit = lib.strings.substring 0 7 (builtins.readFile ./.bcachefs_revision);
   version = "git-${commit}";
-in stdenv.mkDerivation {
+in
+stdenv.mkDerivation {
   inherit src version;
 
   pname = "bcachefs-tools";
@@ -39,11 +58,13 @@ in stdenv.mkDerivation {
   # when git-based crates are updated, run:
   # nix run github:Mic92/nix-update -- --version=skip --flake default
   # to update the hashes
-  cargoDeps = rustPlatform.importCargoLock {
+  cargoDeps = rustPlatform.importCargoLock { lockFile = "${src}/Cargo.lock"; };
-    lockFile = "${src}/Cargo.lock";
-  };
 
-  makeFlags = [ "DESTDIR=${placeholder "out"}" "PREFIX=" "VERSION=${commit}" ];
+  makeFlags = [
+    "DESTDIR=${placeholder "out"}"
+    "PREFIX="
+    "VERSION=${commit}"
+  ];
 
   dontStrip = true;
   checkPhase = "./target/release/bcachefs version";

default.nix

@@ -1,6 +1,9 @@
-(import (let lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+(import (
-in fetchTarball {
+  let
-  url =
+    lock = builtins.fromJSON (builtins.readFile ./flake.lock);
-    "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+  in
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
     sha256 = lock.nodes.flake-compat.locked.narHash;
-}) { src = ./.; }).defaultNix
+  }
+) { src = ./.; }).defaultNix

flake.nix

@@ -9,18 +9,25 @@
     flake = false;
   };
 
-  outputs = { self, nixpkgs, utils, ... }:
+  outputs =
     {
-      overlays.default = final: prev: {
+      self,
-        bcachefs = final.callPackage ./build.nix { };
+      nixpkgs,
-      };
+      utils,
-    } // utils.lib.eachDefaultSystem (system:
+      ...
+    }:
+    {
+      overlays.default = final: prev: { bcachefs = final.callPackage ./build.nix { }; };
+    }
+    // utils.lib.eachDefaultSystem (
+      system:
       let
         pkgs = import nixpkgs {
           inherit system;
           overlays = [ self.overlays.default ];
         };
-      in {
+      in
+      {
         packages = {
           inherit (pkgs) bcachefs;
           bcachefs-fuse = pkgs.bcachefs.override { fuseSupport = true; };
@@ -29,12 +36,31 @@
 
         formatter = pkgs.nixfmt-rfc-style;
 
-        devShells.default = pkgs.callPackage ({ mkShell, rustc, cargo, gnumake
+        devShells.default = pkgs.callPackage (
-          , gcc, clang, pkg-config, libuuid, libsodium, keyutils, liburcu, zlib
+          {
-          , libaio, zstd, lz4, udev, bcachefs }:
+            mkShell,
+            rustc,
+            cargo,
+            gnumake,
+            gcc,
+            clang,
+            pkg-config,
+            libuuid,
+            libsodium,
+            keyutils,
+            liburcu,
+            zlib,
+            libaio,
+            zstd,
+            lz4,
+            udev,
+            bcachefs,
+          }:
           mkShell {
             LIBCLANG_PATH = "${clang.cc.lib}/lib";
             inherit (bcachefs) nativeBuildInputs buildInputs;
-          }) { };
+          }
-      });
+        ) { };
+      }
+    );
 }