style: formatting for nix flake

flake.nix

@@ -8,62 +8,65 @@
     nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.0.tar.gz";
   };
 
-  outputs = {
-    self,
-    flake-schemas,
-    nixpkgs,
-    bluebuild,
-    utility-flake,
-  }: let
-    supportedSystems = ["x86_64-linux" "aarch64-darwin" "x86_64-darwin" "aarch64-linux"];
-    forEachSupportedSystem = f:
-      nixpkgs.lib.genAttrs supportedSystems (system:
-        f {
-          pkgs = import nixpkgs {inherit system;};
-        });
-  in {
-    schemas = flake-schemas.schemas;
+  outputs =
+    { self
+    , flake-schemas
+    , nixpkgs
+    , bluebuild
+    , utility-flake
+    ,
+    }:
+    let
+      supportedSystems = [ "x86_64-linux" "aarch64-darwin" "x86_64-darwin" "aarch64-linux" ];
+      forEachSupportedSystem = f:
+        nixpkgs.lib.genAttrs supportedSystems (system:
+          f {
+            pkgs = import nixpkgs { inherit system; };
+          });
+    in
+    {
+      schemas = flake-schemas.schemas;
 
-    checks = forEachSupportedSystem ({ pkgs }: {
-      inherit (utility-flake.checks.${pkgs.system}) pre-commit-check;
-    });
+      checks = forEachSupportedSystem ({ pkgs }: {
+        inherit (utility-flake.checks.${pkgs.system}) pre-commit-check;
+      });
 
-    packages = forEachSupportedSystem ({
-      pkgs,
-    }: {
-      inherit (utility-flake.packages.${pkgs.system}) cosign-generate;
-
-      build-image = pkgs.writers.writeNuBin "build-image" ''
-        def "main" [--prefix (-p): string, ...recipes: string] {
-          mut recipe_prefix: string = ""
-          if $prefix != null {
-            $recipe_prefix = $"($prefix)\/"
-          }
-          let final_prefix = $recipe_prefix
+      packages = forEachSupportedSystem ({ pkgs
+                                         ,
+                                         }: {
+        inherit (utility-flake.packages.${pkgs.system}) cosign-generate;
 
-          $recipes | par-each { |recipe| do {${bluebuild.packages.${pkgs.system}.bluebuild}/bin/bluebuild build $"config/recipes/($final_prefix)($recipe).yml" } out> $"/tmp/bluebuild-($recipe).log" & }
-        }
-      '';
+        build-image = pkgs.writers.writeNuBin "build-image" ''
+          def "main" [--prefix (-p): string, ...recipes: string] {
+            mut recipe_prefix: string = ""
+            if $prefix != null {
+              $recipe_prefix = $"($prefix)\/"
+            }
+            let final_prefix = $recipe_prefix
 
-      # This script is surprisingly fast!
-      generate-logo = pkgs.writers.writeNuBin "generate-logo" ''
-        def "main" [inputFile: string, outputFolder: string, outputName: string, extension: string, ...rest] {
-          mkdir $outputFolder
-          [ 16 32 64 128 256 ] | par-each {
-            |size| do { ${pkgs.lib.getExe pkgs.ffmpeg} -y -i $inputFile -vf $"scale=($size):($size)" $"($outputFolder)/($outputName)-($size)x($size).($extension)" }
+            $recipes | par-each { |recipe| do {${bluebuild.packages.${pkgs.system}.bluebuild}/bin/bluebuild build $"config/recipes/($final_prefix)($recipe).yml" } out> $"/tmp/bluebuild-($recipe).log" & }
           }
-          ${pkgs.lib.getExe pkgs.ffmpeg} -y -i $inputFile $"($outputFolder)/($outputName).($extension)" &
-        }
-      '';
-    });
+        '';
 
-    devShells = forEachSupportedSystem ({
-      pkgs,
-    }: {
-      default = pkgs.mkShell {
-        inherit (self.checks.${pkgs.system}.pre-commit-check) shellHook;
-        packages = with pkgs; [ bluebuild.packages.${system}.bluebuild nushell git jq yq ];
-      };
-    });
-  };
+        # This script is surprisingly fast!
+        generate-logo = pkgs.writers.writeNuBin "generate-logo" ''
+          def "main" [inputFile: string, outputFolder: string, outputName: string, extension: string, ...rest] {
+            mkdir $outputFolder
+            [ 16 32 64 128 256 ] | par-each {
+              |size| do { ${pkgs.lib.getExe pkgs.ffmpeg} -y -i $inputFile -vf $"scale=($size):($size)" $"($outputFolder)/($outputName)-($size)x($size).($extension)" }
+            }
+            ${pkgs.lib.getExe pkgs.ffmpeg} -y -i $inputFile $"($outputFolder)/($outputName).($extension)" &
+          }
+        '';
+      });
+
+      formatter = forEachSupportedSystem ({ pkgs }: pkgs.nixpkgs-fmt);
+
+      devShells = forEachSupportedSystem ({ pkgs }: {
+        default = pkgs.mkShell {
+          inherit (self.checks.${pkgs.system}.pre-commit-check) shellHook;
+          packages = with pkgs; [ bluebuild.packages.${system}.bluebuild nushell git jq yq ];
+        };
+      });
+    };
 }