From 51728e2a5b26518cecd135ef32377798c55c78d6 Mon Sep 17 00:00:00 2001
From: Chris Wells <chris@mathematicaster.org>
Date: Sun, 22 Feb 2026 22:57:53 -0600
Subject: Added formatters

---
 flake.nix | 43 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 36 insertions(+), 7 deletions(-)

(limited to 'flake.nix')

diff --git a/flake.nix b/flake.nix
index d17aca5..ba74979 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,18 +2,47 @@
   description = "TeX devShell for flake-parts";
 
   inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
     flake-parts.url = "github:hercules-ci/flake-parts";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
     systems.url = "github:nix-systems/default";
   };
 
-  outputs = inputs @ { self, flake-parts, ... }: flake-parts.lib.mkFlake { inherit self inputs; } {
-    systems = import inputs.systems;
+  outputs =
+    inputs@{ self, flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit self inputs; } {
+      systems = import inputs.systems;
 
-    flake.flakeModules.default = ./module.nix;
+      imports = [ inputs.treefmt-nix.flakeModule ];
 
-    flake.templates.default = {
-      path = ./template;
-      description = "TeX-utils default template";
+      flake.flakeModules.default = ./module.nix;
+
+      flake.templates.default = {
+        path = ./template;
+        description = "TeX-utils default template";
+      };
+
+      perSystem =
+        { config, pkgs, ... }:
+        {
+          treefmt = {
+            programs = {
+              nixfmt = {
+                enable = true;
+                strict = true;
+              };
+            };
+          };
+
+          devShells.default = pkgs.mkShellNoCC {
+            inputsFrom = [ config.treefmt.build.devShell ];
+            nativeBuildInputs = with pkgs; [
+              nixd
+              statix
+              deadnix
+            ];
+          };
+
+        };
     };
-  };
 }
-- 
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