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#!@EMACS@ --script
;;; indent-package.el --- Run Emacs to indent a package definition.

;; Copyright © 2017 Alex Kost <alezost@gmail.com>

;; This file is part of GNU Guix.

;; GNU Guix is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; GNU Guix is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; This scripts indents the given package definition in the specified file
;; using Emacs.

;;; Code:

;; Load Scheme indentation rules from the current directory.
(with-temp-buffer
  (scheme-mode)
  (let ((default-directory (file-name-as-directory "."))
        (enable-local-variables :all))
    (hack-dir-local-variables)
    (hack-local-variables-apply)))

(pcase command-line-args-left
  (`(,file-name ,package-name)
   (find-file file-name)
   (goto-char (point-min))
   (if (re-search-forward (concat "^(define\\(-public\\) +"
                                  package-name)
                          nil t)
       (let ((indent-tabs-mode nil))
         (beginning-of-defun)
         (indent-sexp)
         (save-buffer)
         (message "Done!"))
     (error "Package '%s' not found in '%s'"
            package-name file-name)))
  (x
   (error "Usage: indent-package.el FILE PACKAGE")))

;;; indent-package.el ends here