Running commands

flake.nix

@@ -11,8 +11,9 @@
     treefmt-nix.url = "github:numtide/treefmt-nix";
   };
 
-  outputs = inputs @ {flake-parts, ...}:
+  outputs =
-    flake-parts.lib.mkFlake {inherit inputs;} {
+    inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
       imports = [
         # To import a flake module
         # 1. Add foo to inputs
@@ -29,67 +30,72 @@
         # "aarch64-darwin"
         # "x86_64-darwin"
       ];
+      perSystem =
+        {
+          config,
+          self',
+          inputs',
+          pkgs,
+          system,
+          ...
+        }:
+        {
+          # Per-system attributes can be defined here. The self' and inputs'
+          # module parameters provide easy access to attributes of the same
+          # system.
+
+          # Equivalent to  inputs'.nixpkgs.legacyPackages.hello;
+          packages.default = pkgs.hello;
+
+          pre-commit = {
+            settings.hooks = {
+              mdformat.enable = true;
+              nixfmt-rfc-style.enable = true;
+              prettier.enable = true;
+              prettier.excludes = [
+                ".*\.md"
+                "flake.lock"
+              ];
+              stylish-haskell.enable = true;
+            };
+          };
+
+          devshells.default = {
+            packages = with pkgs; [
+              cowsay
+            ];
+          };
+
+          emanote.sites = {
+            osds-site = {
+              layers = [
+                {
+                  path = ./osds-src;
+                  pathString = "osds-src";
+                }
+              ];
+              baseUrl = "localhost";
+              port = 12513;
+            };
+          };
+
+          treefmt = {
+            programs = {
+              mdformat.enable = true;
+              nixfmt.enable = true;
+              nixfmt.package = pkgs.nixfmt-rfc-style;
+              prettier.enable = true;
+              prettier.excludes = [ "*.md" ];
+              stylish-haskell.enable = true;
+            };
+          };
+
+        };
       flake = {
         # The usual flake attributes can be defined here, including system-
         # agnostic ones like nixosModule and system-enumerating ones, although
         # those are more easily expressed in perSystem.
-      };
-      perSystem = {
-        config,
-        self',
-        inputs',
-        pkgs,
-        system,
-        ...
-      }: {
-        # Per-system attributes can be defined here. The self' and inputs'
-        # module parameters provide easy access to attributes of the same
-        # system.
 
-        # Equivalent to  inputs'.nixpkgs.legacyPackages.hello;
-        # packages.default = pkgs.hello;
-        packages.default = config.packages.osds-site;
-
-        devshells.default = {
-          packages = with pkgs; [
-            cowsay
-
-            alejandra
-          ];
-        };
-
-        emanote.sites = {
-          osds-site = {
-            layers = [
-              {
-                path = ./osds-src;
-                pathString = "osds-src";
-              }
-            ];
-            baseUrl = "localhost";
-            port = 12513;
-          };
-        };
-
-        pre-commit = {
-          settings.hooks = {
-            alejandra.enable = true;
-            mdformat.enable = true;
-            prettier.enable = true;
-            prettier.excludes = [".*\.md" "flake.lock"];
-            stylish-haskell.enable = true;
-          };
-        };
-
-        treefmt = {
-          programs = {
-            alejandra.enable = true;
-            mdformat.enable = true;
-            prettier.enable = true;
-            prettier.excludes = ["*.md"];
-            stylish-haskell.enable = true;
-          };
-        };
       };
     };
 }