fuck

modules/home/users/msyds/emacs.nix

@@ -20,6 +20,7 @@ in {
     ./emacs/nix/jinx.nix
     ./emacs/nix/tufte-latex.nix
     ./emacs/nix/plex-latex.nix
+    ./emacs/nix/treesit.nix
   ];
 
   config = lib.mkIf cfg.enable {
@@ -27,6 +28,7 @@ in {
       jinx.enable = true;
       tufte-latex.enable = true;
       plex-latex.enable = true;
+      treesit.enable = true;
     };
 
     sydnix.emacs = {

modules/home/users/msyds/emacs/init.el

@@ -57,4 +57,6 @@
     syd/form-feed
     syd/scratch
     syd/text
-    syd/wgrep))
+    syd/wgrep
+    syd/nix
+    syd/backup))

modules/home/users/msyds/emacs/lisp/syd/agda.el

@@ -54,7 +54,6 @@
     (call-interactively #'agda2-goal-and-context)
     agda2-info-buffer)
 
-  ;; DEPRECATED: Remove once syd-strategies is working.
   (syd-handle 'agda2-mode
               :docs #'syd-agda-lookup-documentation))
 

modules/home/users/msyds/emacs/lisp/syd/backup.el

@@ -0,0 +1,30 @@
+;;; -*- lexical-binding: t; -*-
+
+(require 'syd/constants)
+
+(setq backup-directory-alist
+      `(("." . ,(file-name-concat syd-data-dir "backup")))
+      auto-save-list-file-prefix (let ((dir (file-name-concat syd-cache-dir
+                                                              "autosave/")))
+                                   (make-directory dir t)
+                                   dir)
+      ;; Nil means untracked files under VC won't get backed up.
+      vc-make-backup-files t
+      ;; Nil will clobber symlinks.
+      backup-by-copying t
+      ;; Use versioned backups.
+      version-control t
+      ;; Don't create ugly lockfiles.  See
+      ;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Interlocking.html#Interlocking
+      ;; This is a good feature, but not very relevant to a single-user system.
+      create-lockfiles nil
+      auto-save-file-name-transforms
+      ;; Good grief, girl...
+      `(("\\`/[^/]*:\\([^/]*/\\)*\\([^/]*\\)\\'"
+         ,(concat auto-save-list-file-prefix "tramp-\\2") t)
+        (".*"
+         ,(file-name-concat syd-cache-dir "autosave") t))
+      kept-new-versions 5
+      delete-old-versions t)
+
+(provide 'syd/backup)

modules/home/users/msyds/emacs/lisp/syd/nix.el

@@ -0,0 +1,29 @@
+;;; -*- lexical-binding: t -*-
+
+(require 'syd/base)
+(require 'syd/handle)
+(require 'syd/popups)
+
+(use-package nix-mode
+  ;; :mode "\\.nix\\'"
+  :init
+  (add-to-list 'auto-mode-alist
+               (cons (rx "/flake.lock'")
+                     (if (fboundp 'json-mode)
+                         'json-mode
+                       'js-mode)))
+  :config
+  ;; (set-repl-handler! '(nix-mode nix-ts-mode) #'syd-nix-open-nix-repl)
+
+  ;; Inform Smartparens and Evil-surround of Nix's alternative string syntax.
+  (with-eval-after-load 'smartparens
+    (sp-local-pair '(nix-mode nix-ts-mode) "''" "''"))
+  (syd-add-hook '(nix-mode-hook nix-ts-mode-hook)
+    (defun syd-nix--configure-evil-surround-h ()
+      (with-eval-after-load 'evil-surround
+        (push '(?Q . ("''" . "''"))
+              evil-surround-pairs-alist)))))
+
+(use-package nix-ts-mode)
+
+(provide 'syd/nix)

modules/home/users/msyds/emacs/nix/treesit.nix

@@ -0,0 +1,14 @@
+{ config, lib, pkgs, ... }:
+
+let cfg = config.sydnix.users.msyds.emacs.treesit;
+in {
+  options.sydnix.users.msyds.emacs.treesit = {
+    enable = lib.mkEnableOption "Treesitter grammars";
+  };
+
+  config = lib.mkIf cfg.enable {
+    sydnix.emacs.emacsPackages = epkgs: [
+      epkgs.treesit-grammars.with-all-grammars
+    ];
+  };
+}

modules/home/users/msyds/emacs/recentf

@@ -0,0 +1,17 @@
+;;; Automatically generated by ‘recentf’ on Sun Nov 23 03:53:06 2025.
+
+(setq recentf-list
+      '(
+        "~/org/20251111182118-path_induction.org"
+        "/persist/dots/modules/home/users/msyds/emacs/nix/plex-latex/syd-plex.sty"
+        "/persist/dots/modules/home/users/msyds/emacs.nix"
+        "/persist/dots/modules/home/users/msyds/emacs/nix/treesit.nix"
+        "/persist/dots/modules/home/users/msyds/emacs/nix/jinx.nix"
+        ))
+
+(setq recentf-filter-changer-current 'nil)
+
+
+;; Local Variables:
+;; coding: utf-8-emacs
+;; End: