gistfile1.el

(use-package eshell
  :after projectile
  :preface
  (defun universal-argument-eshell ()
    "wrap the `eshell'-command, with a check for whether or not
the universal argument has been applied, and how many times.
Zero times: normal behavior (eshell); Once: open a shell in the
current project root"
    (interactive)
    (cond ((equal current-prefix-arg nil)
           (call-interactively 'eshell))
          ((equal current-prefix-arg (list 4))
           (projectile-run-eshell))
          ))
  ;; mode hook
  (defun mg/my-eshell-mode-hook ()
    (set (make-local-variable 'global-hl-line-mode) nil))
  ;; :hook (eshell-mode . mg/my-eshell-mode-hook)
  ;; :bind
  :config
  (bind-keys
    ("C-x C-t" . universal-argument-eshell)))