Emacs tune, some updates, direnv

guix-config/home/emacs/config.el

@@ -547,6 +547,12 @@ DIR must include a .project file to be considered a project."
 (add-to-list 'auto-mode-alist '("CMakeLists\\.txt\\'" . cmake-ts-mode))
 (add-to-list 'auto-mode-alist '("\\.cmake\\'" . cmake-ts-mode))
 
+(use-package zig-mode
+  :ensure t)
+
+(autoload 'zig-mode "zig-mode" nil t)
+(add-to-list 'auto-mode-alist '("\\.\\(zig\\|zon\\)\\'" . zig-mode))
+
 (use-package treesit-auto
   :ensure t
   :demand t
@@ -592,6 +598,29 @@ DIR must include a .project file to be considered a project."
     (add-hook 'c-ts-mode-hook #'eglot-ensure)
     (add-hook 'c++-ts-mode-hook #'eglot-ensure))
 
+(with-eval-after-load 'eglot
+  (add-to-list 'eglot-server-programs
+    '(zig-mode . (
+      ;; Use `zls` if it is in your PATH
+      "zls"
+      ;; There are two ways to set config options:
+      ;;   - edit your `zls.json` that applies to any editor that uses ZLS
+      ;;   - set in-editor config options with the `initializationOptions` field below.
+      ;;
+      ;; Further information on how to configure ZLS:
+      ;; https://zigtools.org/zls/configure/
+      :initializationOptions 
+        (;; Whether to enable build-on-save diagnostics
+         ;;
+         ;; Further information about build-on save:
+         ;; https://zigtools.org/zls/guides/build-on-save/
+         ;;enable_build_on_save t
+         
+         ;; omit the following line if `zig` is in your PATH
+         ;:zig_exe_path "/path/to/zig_executable"
+         ))))
+    (add-hook 'zig-mode-hook #'eglot-ensure))
+
 (with-eval-after-load 'eglot
     (add-to-list 'eglot-server-programs
         '(csharp-ts-mode