Fix emacs config.

nix/configuration/roles/emacs/files/emacs/elisp/lang-go.el

@@ -0,0 +1,33 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(use-package go-ts-mode
+  :pin manual
+  :mode (
+         ("\\.go\\'" . go-ts-mode)
+         ("/go\\.mod\\'" . go-mod-ts-mode)
+         )
+  :commands (go-ts-mode go-mod-ts-mode)
+  :hook (
+         (go-ts-mode . (lambda ()
+                         (when-linux
+                           (eglot-ensure)
+                           )
+                         ))
+
+         (go-mod-ts-mode . (lambda ()
+                         (when-linux
+                           (eglot-ensure)
+                           )
+                         ))
+
+         ;; (before-save . lsp-format-buffer)
+         )
+  :init
+  (add-to-list 'treesit-language-source-alist '(go "https://github.com/tree-sitter/tree-sitter-go"))
+  (add-to-list 'treesit-language-source-alist '(gomod "https://github.com/camdencheek/tree-sitter-go-mod"))
+  (unless (treesit-ready-p 'go) (treesit-install-language-grammar 'go))
+  (unless (treesit-ready-p 'gomod) (treesit-install-language-grammar 'gomod))
+  )
+
+(provide 'lang-go)