(with-eval-after-load 'xref

  ;; (C-x p g) project-find-regexp; with C-u, set directory and file name pattern
  (setopt xref-search-program 'ripgrep) ;; use ripgrep for C-x p g

  ;; Enable multi-line searching
  (add-to-list 'xref-search-program-alist
               (cons 'ripgrep
                     (concat (alist-get 'ripgrep xref-search-program-alist)
                             " --multiline")))

  ;; (setenv "RIPGREP_CONFIG_PATH" "~/")

  ;; add --threads 16 --hidden
  ;; logs the correct call someone filters out stuff in e.g. .emacs
  ;; perhaps project.el?
  ;; (with-eval-after-load 'xref
  ;;   (add-to-list 'xref-search-program-alist
  ;;                (cons 'ripgrep
  ;;                      "xargs -0 rg <C> --null -nH --no-heading --no-messages -e <R> --threads 16 --hidden")))

  )

(with-eval-after-load 'xref
  (add-hook 'xref--xref-buffer-mode-hook #'outline-minor-mode))