;;; term/eshell/autoload/settings.el -*- lexical-binding: t; -*-

;;;###autodef
(defun set-eshell-alias! (&rest aliases)
  "Define aliases for eshell.

ALIASES is a flat list of alias -> command pairs. e.g.

  (set-eshell-alias!
    \"hi\"  \"echo hello world\"
    \"bye\" \"echo goodbye world\")"
  (or (cl-evenp (length aliases))
      (signal 'wrong-number-of-arguments (list 'even (length aliases))))
  (after! em-alias
    (while aliases
      (let ((alias (pop aliases))
            (command (pop aliases)))
        (if-let* ((oldval (assoc alias +eshell-aliases)))
            (setcdr oldval (list command))
          (push (list alias command) +eshell-aliases))))
    (when (boundp 'eshell-command-aliases-list)
      (if +eshell--default-aliases
          (setq eshell-command-aliases-list
                (append +eshell--default-aliases
                        +eshell-aliases))
        (setq eshell-command-aliases-list +eshell-aliases)))))