From fb00e51e0106c697c3898a0e128a2c87b77d9b33 Mon Sep 17 00:00:00 2001
From: William Phetsinorath <william.phetsinorath@shikanime.studio>
Date: Thu, 10 Oct 2024 19:53:28 +0200
Subject: [PATCH] Add nix fmt hook

fixes: https://github.com/cachix/git-hooks.nix/issues/287
---
 modules/hooks.nix | 7 +++++++
 nix/tools.nix     | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/modules/hooks.nix b/modules/hooks.nix
index 10d2c577..e4daa7f4 100644
--- a/modules/hooks.nix
+++ b/modules/hooks.nix
@@ -2894,6 +2894,13 @@ lib.escapeShellArgs (lib.concatMap (ext: [ "--ghc-opt" "-X${ext}" ]) hooks.ormol
             builtins.toString script;
           files = "\\.nix$";
         };
+      nix-fmt =
+        {
+          name = "nix-fmt";
+          description = "Format Nix files using the formatter specified in your flake.";
+          package = tools.nix;
+          entry = "${hooks.nix.package}/bin/nix fmt";
+        };
       # nixfmt was renamed to nixfmt-classic.
       # The hook has been deprecated to free up the name for when the new RFC-style nixfmt becomes stable.
       nixfmt = nixfmt-classic;
diff --git a/nix/tools.nix b/nix/tools.nix
index 10d97fc3..6bc9d4c7 100644
--- a/nix/tools.nix
+++ b/nix/tools.nix
@@ -44,6 +44,7 @@
 , mdl
 , mdsh
 , nil
+, nix
 , nixfmt
 , nixfmt-classic ? null
 , nixfmt-rfc-style ? null
@@ -134,6 +135,7 @@ in
     mdl
     mdsh
     nil
+    nix
     nixpkgs-fmt
     ormolu
     pre-commit-hook-ensure-sops