From 0e5db64202b99113d34d7aab249dbab662f86329 Mon Sep 17 00:00:00 2001
From: Cool-Game-Dev <softwaredevelopment.stingray177@passinbox.com>
Date: Wed, 13 Aug 2025 14:16:41 -0500
Subject: [PATCH] languages/nix: Add flake formatter

Add a formatter to the nix language module that runs the `nix fmt`
command, which uses a flakes default formatter.
---
 docs/release-notes/rl-0.8.md      | 2 ++
 modules/plugins/languages/nix.nix | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/docs/release-notes/rl-0.8.md b/docs/release-notes/rl-0.8.md
index b677ae98..95b37b79 100644
--- a/docs/release-notes/rl-0.8.md
+++ b/docs/release-notes/rl-0.8.md
@@ -486,3 +486,5 @@
 - Add [roslyn-ls] to the `vim.languages.csharp` module.
 
 - Added json support under `vim.languages.json` using [jsonls] and [jsonfmt].
+
+- Add flake formatter type to the nix language module.
diff --git a/modules/plugins/languages/nix.nix b/modules/plugins/languages/nix.nix
index 6127f78e..ea1c6d00 100644
--- a/modules/plugins/languages/nix.nix
+++ b/modules/plugins/languages/nix.nix
@@ -23,6 +23,9 @@
       (mkIf (cfg.format.type == "nixfmt") {
         command = ["${cfg.format.package}/bin/nixfmt"];
       })
+      (mkIf (cfg.format.type == "flake") {
+        command = ["${cfg.format.package}/bin/nix" "fmt"];
+      })
     ];
   };
 
@@ -58,6 +61,10 @@
     nixfmt = {
       package = pkgs.nixfmt-rfc-style;
     };
+
+    flake = {
+      package = pkgs.nix;
+    };
   };
 
   defaultDiagnosticsProvider = ["statix" "deadnix"];