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authorLudovic Courtès <ludo@gnu.org>2017-01-13 18:47:15 +0100
committerLudovic Courtès <ludo@gnu.org>2017-01-13 18:49:31 +0100
commit557d9c8d7a843bf06e75b4e1a742654ccf951fa3 (patch)
treedcd96026be9c5c408ed08f9f3061962c00d0d39d /etc/indent-code.el.in
parent608a50b66c73d5bdfd224195b839e01b781c354c (diff)
downloadguix-557d9c8d7a843bf06e75b4e1a742654ccf951fa3.tar
guix-557d9c8d7a843bf06e75b4e1a742654ccf951fa3.tar.gz
etc: Support indentation of whole files.
* etc/indent-package.el.in: Rename to... * etc/indent-code.el.in: ... this. Add case for a single argument. * doc/contributing.texi (Formatting Code): Adjust accordingly. * configure.ac: Likewise.
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+#!@EMACS@ --script
+;;; indent-code.el --- Run Emacs to indent a package definition.
+
+;; Copyright © 2017 Alex Kost <alezost@gmail.com>
+;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
+
+;; 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 file or 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)
+ ;; Indent the definition of PACKAGE-NAME in FILE-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)))
+ (`(,file-name)
+ ;; Indent all of FILE-NAME.
+ (find-file file-name)
+ (let ((indent-tabs-mode nil))
+ (indent-region (point-min) (point-max))
+ (save-buffer)
+ (message "Done!")))
+ (x
+ (error "Usage: indent-code.el FILE [PACKAGE]")))
+
+;;; indent-code.el ends here