From f5a827eacfb4dfddb594faad66b180a14b5efb95 Mon Sep 17 00:00:00 2001
From: SebastianStork <sebastian.stork@pm.me>
Date: Wed, 10 Jul 2024 15:36:19 +0200
Subject: [PATCH] Switch to the formatting tool treefmt

---
 flake.lock | 21 +++++++++++++++++++++
 flake.nix  | 11 ++++++++++-
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/flake.lock b/flake.lock
index febb9ce..72b2222 100644
--- a/flake.lock
+++ b/flake.lock
@@ -212,6 +212,7 @@
         "nix-vscode-extensions": "nix-vscode-extensions",
         "nixpkgs": "nixpkgs",
         "sops-nix": "sops-nix",
+        "treefmt-nix": "treefmt-nix",
         "wrapper-manager": "wrapper-manager"
       }
     },
@@ -251,6 +252,26 @@
         "type": "github"
       }
     },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1720507012,
+        "narHash": "sha256-QIeZ43t9IVB4dLsFaWh2f4C7JSRfK7p+Y1U9dULsLXU=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "8b63fe8cf7892c59b3df27cbcab4d5644035d72f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
     "wrapper-manager": {
       "inputs": {
         "nixpkgs": [
diff --git a/flake.nix b/flake.nix
index 60d0f1b..ce05d93 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,6 +28,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     nix-vscode-extensions = {
       url = "github:nix-community/nix-vscode-extensions";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -74,6 +79,10 @@
 
       devShells.${system}.default = pkgs.mkShell { packages = [ pkgs.sops ]; };
 
-      formatter.${system} = pkgs.nixfmt-rfc-style;
+      formatter.${system} =
+        (inputs.treefmt-nix.lib.evalModule pkgs {
+          projectRootFile = "flake.nix";
+          programs.nixfmt-rfc-style.enable = true;
+        }).config.build.wrapper;
     };
 }