flake: add nixfmt-tree formatter

Author: parzivale

flake.nix

@@ -25,5 +25,16 @@
           inherit (config._module.args) pkgs;
           inherit lib;
         };
+
+      formatter =
+        let
+          sources = import ./lon.nix;
+          lib = import (sources.nixpkgs + "/lib");
+
+          pkgsFor = system: import sources.nixpkgs { inherit system; };
+        in
+        lib.genAttrs' [ "aarch64-linux" "x86_64-linux" ] (
+          system: lib.nameValuePair system (pkgsFor system).nixfmt-tree
+        );
     };
 }

modules/filesystems/default.nix

@@ -143,7 +143,13 @@ in
       # <file system> <mount point>   <type>  <options>       <dump>  <pass>
 
       # filesystems
-      ${makeFstabEntries (lib.filter (fs: !lib.elem fs.fsType [ "luks" "lvm" ]) fileSystems) { }}
+      ${makeFstabEntries (lib.filter (
+        fs:
+        !lib.elem fs.fsType [
+          "luks"
+          "lvm"
+        ]
+      ) fileSystems) { }}
 
       # swap devices
       ${lib.concatMapStrings makeSwapEntry config.swapDevices}

modules/filesystems/fuse.nix

@@ -19,13 +19,15 @@ in
       };
     in
     {
-      boot = (fuseEnable true ''
-        Whether to enable support for the `fuse` filesystem.
-      '') // {
-        initrd = fuseEnable false ''
-          Whether to enable support for the `fuse` filesystem in the initial ramdisk.
-        '';
-      };
+      boot =
+        (fuseEnable true ''
+          Whether to enable support for the `fuse` filesystem.
+        '')
+        // {
+          initrd = fuseEnable false ''
+            Whether to enable support for the `fuse` filesystem in the initial ramdisk.
+          '';
+        };
     };
 
   config = lib.mkIf (cfg.enable || cfgInitrd.enable) {

modules/filesystems/luks.nix

@@ -17,7 +17,7 @@
 
       packages = lib.mkOption {
         type = with lib.types; listOf package;
-        default = [pkgs.cryptsetup];
+        default = [ pkgs.cryptsetup ];
         description = ''
           Packages providing LUKS utilities in the initial ramdisk.
         '';
@@ -35,7 +35,7 @@
 
       packages = lib.mkOption {
         type = with lib.types; listOf package;
-        default = [pkgs.cryptsetup];
+        default = [ pkgs.cryptsetup ];
         description = ''
           Packages providing LUKS utilities.
         '';
@@ -63,17 +63,22 @@
         "algif_skcipher"
         "cryptd"
         "input_leds"
-      ] ++ lib.optionals (lib.versionOlder config.boot.kernelPackages.kernel.version "7.0") [ "aes_generic" ];
+      ]
+      ++ lib.optionals (lib.versionOlder config.boot.kernelPackages.kernel.version "7.0") [
+        "aes_generic"
+      ];
 
-      boot.initrd.fileSystemImportCommands = lib.mkOrder 500 (lib.concatStringsSep "\n" (
-        lib.mapAttrsToList (
-          name: dev:
-          let
-            fsOpts = lib.concatStringsSep " " dev.options;
-          in
-          "cryptsetup open ${fsOpts} ${dev.device} ${name}"
-        ) (lib.filterAttrs (_: fs: fs.fsType == "luks") config.fileSystems)
-      ));
+      boot.initrd.fileSystemImportCommands = lib.mkOrder 500 (
+        lib.concatStringsSep "\n" (
+          lib.mapAttrsToList (
+            name: dev:
+            let
+              fsOpts = lib.concatStringsSep " " dev.options;
+            in
+            "cryptsetup open ${fsOpts} ${dev.device} ${name}"
+          ) (lib.filterAttrs (_: fs: fs.fsType == "luks") config.fileSystems)
+        )
+      );
     })
   ];
 }

modules/filesystems/lvm.nix

@@ -3,7 +3,7 @@
   pkgs,
   lib,
   ...
-}: 
+}:
 {
   options = {
     boot.initrd.supportedFilesystems.lvm = {
@@ -17,7 +17,7 @@
 
       packages = lib.mkOption {
         type = with lib.types; listOf package;
-        default = [pkgs.lvm2];
+        default = [ pkgs.lvm2 ];
         description = ''
           Packages providing LVM utilities in the initial ramdisk.
         '';
@@ -35,7 +35,7 @@
 
       packages = lib.mkOption {
         type = with lib.types; listOf package;
-        default = [pkgs.lvm2];
+        default = [ pkgs.lvm2 ];
         description = ''
           Packages providing lvm utilities.
         '';
@@ -45,11 +45,11 @@
 
   config = lib.mkMerge [
     (lib.mkIf config.boot.supportedFilesystems.lvm.enable {
-      boot.kernelModules = ["dm_mod"];
+      boot.kernelModules = [ "dm_mod" ];
     })
 
     (lib.mkIf config.boot.initrd.supportedFilesystems.lvm.enable {
-      boot.initrd.kernelModules = ["dm_mod"];
+      boot.initrd.kernelModules = [ "dm_mod" ];
 
       boot.initrd.fileSystemImportCommands = lib.mkOrder 600 (
         if config.services.udev.enable || !config.services.mdevd.enable then

modules/finit/initrd.nix

@@ -127,7 +127,13 @@ in
 
           ${lib.concatMapStringsSep "\n" mkMount (
             lib.filter (lib.getAttr "neededForBoot") (
-              lib.filter (fs: !lib.elem fs.fsType [ "luks" "lvm" ]) (lib.attrValues config.fileSystems)
+              lib.filter (
+                fs:
+                !lib.elem fs.fsType [
+                  "luks"
+                  "lvm"
+                ]
+              ) (lib.attrValues config.fileSystems)
             )
           )}
         '';

modules/nixos/meta-maintainers.nix

@@ -46,7 +46,7 @@ in
       maintainers = mkOption {
         type = listOfMaintainers;
         default = [ ];
-        example = lib.literalExpression ''[ lib.maintainers.alice lib.maintainers.bob ]'';
+        example = lib.literalExpression "[ lib.maintainers.alice lib.maintainers.bob ]";
         description = ''
           List of maintainers of each module.
           This option should be defined at most once per module.

modules/programs/zzz/providers.resume-and-suspend.nix

@@ -13,7 +13,8 @@ let
     in
     padding + s;
 
-  mkHook = mode: k: v:
+  mkHook =
+    mode: k: v:
     let
       name = "zzz.d/${zeroPad 4 v.priority}-${k}.sh";
       script = pkgs.writeShellScript k ''
@@ -24,7 +25,8 @@ let
     in
     lib.nameValuePair name { source = script; };
 
-  mkResumeHook = k: v:
+  mkResumeHook =
+    k: v:
     let
       name = "zzz.d/${zeroPad 4 v.priority}-${k}.sh";
       script = pkgs.writeShellScript k ''
@@ -44,12 +46,17 @@ in
   config = lib.mkIf (config.providers.resumeAndSuspend.backend == "zzz") {
     environment.etc =
       let
-        filtered = event: lib.filterAttrs (_: v: v.enable && v.event == event) config.providers.resumeAndSuspend.hooks;
+        filtered =
+          event: lib.filterAttrs (_: v: v.enable && v.event == event) config.providers.resumeAndSuspend.hooks;
 
-        suspend = lib.mapAttrs' (k: v: mkHook "suspend"  k v) (filtered "suspend");
-        hibernate = lib.mapAttrs' (k: v: mkHook "hibernate"  k v) (filtered "hibernate");
+        suspend = lib.mapAttrs' (k: v: mkHook "suspend" k v) (filtered "suspend");
+        hibernate = lib.mapAttrs' (k: v: mkHook "hibernate" k v) (filtered "hibernate");
         resume = lib.mapAttrs' (k: v: mkResumeHook k v) (filtered "resume");
       in
-      lib.mkMerge [ suspend hibernate resume ];
+      lib.mkMerge [
+        suspend
+        hibernate
+        resume
+      ];
   };
 }