feat(docker): add treesit support

modules/tools/docker/README.org

@@ -18,6 +18,9 @@ functions allow images to be built easily.
 ** Module flags
 - +lsp ::
   Enable integration for the Dockerfile Language Server.
+- +tree-sitter ::
+  Leverages tree-sitter for better syntax highlighting and structural text
+  editing. Requires Emacs 29.1+ and [[doom-module::tools tree-sitter]].
 
 ** Packages
 - [[doom-package:docker]]

modules/tools/docker/config.el

@@ -6,3 +6,16 @@
 
   (when (modulep! +lsp)
     (add-hook 'dockerfile-mode-local-vars-hook #'lsp! 'append)))
+
+
+(use-package! dockerfile-ts-mode
+  :when (modulep! +tree-sitter)
+  :when (fboundp 'dockerfile-ts-mode) ; 29.1+ only
+  :defer t
+  :init
+  (set-tree-sitter! 'dockerfile-mode 'dockerfile-ts-mode
+    '((dockerfile :url "https://github.com/camdencheek/tree-sitter-dockerfile"
+                  :rev "v0.2.0")))
+  :config
+  ;; HACK: Rely on `major-mode-remap-defaults' instead
+  (cl-callf2 rassq-delete-all 'dockerfile-ts-mode auto-mode-alist))

modules/tools/docker/doctor.el

@@ -1,5 +1,13 @@
 ;;; tools/docker/doctor.el -*- lexical-binding: t; -*-
 
+(assert! (or (not (modulep! +tree-sitter))
+             (modulep! :tools tree-sitter))
+         "This module requires (:tools tree-sitter)")
+
+(assert! (or (not (modulep! +tree-sitter))
+             (fboundp 'dockerfile-ts-mode))
+         "Can't find `dockerfile-ts-mode'; Emacs 29.1+ is required")
+
 (when (modulep! :editor format)
   (unless (executable-find "dockfmt")
     (warn! "Couldn't find dockfmt. Formatting will be disabled.")))

modules/tools/tree-sitter/config.el

@@ -25,7 +25,6 @@
                  (commonlisp "https://github.com/tree-sitter-grammars/tree-sitter-commonlisp" nil nil nil nil)
                  (css "https://github.com/tree-sitter/tree-sitter-css" nil nil nil nil)
                  (dart "https://github.com/ast-grep/tree-sitter-dart" nil nil nil nil)
-                 (dockerfile "https://github.com/camdencheek/tree-sitter-dockerfile" nil nil nil nil)
                  (go "https://github.com/tree-sitter/tree-sitter-go" nil nil nil nil)
                  (gomod "https://github.com/camdencheek/tree-sitter-go-mod" nil nil nil nil)
                  (html "https://github.com/tree-sitter/tree-sitter-html" nil nil nil nil)