From 4389f229a50303b75fe8966c828fa10f635f42a7 Mon Sep 17 00:00:00 2001
From: Alexander Heldt <me@alexanderheldt.se>
Date: Sat, 9 Sep 2023 10:12:44 +0200
Subject: [PATCH] pinwheel: Add `nix-mode` and hook it up with `eglot`

---
 hosts/pinwheel/configuration.nix        |  1 +
 hosts/pinwheel/modules/emacs/config.org | 12 ++++++++++++
 hosts/pinwheel/modules/nix/default.nix  |  6 ++++++
 3 files changed, 19 insertions(+)
 create mode 100644 hosts/pinwheel/modules/nix/default.nix

diff --git a/hosts/pinwheel/configuration.nix b/hosts/pinwheel/configuration.nix
index bf0460c..f9e46fd 100644
--- a/hosts/pinwheel/configuration.nix
+++ b/hosts/pinwheel/configuration.nix
@@ -26,6 +26,7 @@
       ./modules/firefox
       ./modules/calibre
       ./modules/go
+      ./modules/nix
     ];
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
diff --git a/hosts/pinwheel/modules/emacs/config.org b/hosts/pinwheel/modules/emacs/config.org
index 313c783..886a0fb 100644
--- a/hosts/pinwheel/modules/emacs/config.org
+++ b/hosts/pinwheel/modules/emacs/config.org
@@ -398,6 +398,9 @@ https://github.com/justbur/emacs-which-key
    )
 
   (use-package eglot
+    :config
+    ;; Ensure `nil` is in your PATH.
+    (add-to-list 'eglot-server-programs '(nix-mode . ("nil")))
     :hook (
            (eglot-managed-mode . alex/eglot-on-save)
            (go-mode . eglot-ensure)
@@ -413,3 +416,12 @@ https://github.com/justbur/emacs-which-key
     )
   )
 #+END_SRC
+** Nix
+#+BEGIN_SRC emacs-lisp
+  (use-package nix-mode
+    :mode "\\.nix$"
+    :hook (
+          (nix-mode . eglot-ensure)
+    )
+  )
+#+END_SRC
diff --git a/hosts/pinwheel/modules/nix/default.nix b/hosts/pinwheel/modules/nix/default.nix
new file mode 100644
index 0000000..bf95786
--- /dev/null
+++ b/hosts/pinwheel/modules/nix/default.nix
@@ -0,0 +1,6 @@
+{ pkgs, ... }:
+{
+  home-manager.users.alex = {
+    home.packages = [ pkgs.nil ];
+  };
+}