#emacs #bazel config

bazel-config.el

(use-package bazel
    :mode ("BUILD\\|WORKSPACE\\|CROSSTOOL\\|\\.bazel\\'" . bazel-mode)
    :config
    (add-hook 'bazel-mode-hook 'bazel-install-reformat))

bazel.el

;;; bazel.el --- major mode for bazel files edition  -*- lexical-binding: t; -*-

;; Copyright (C) 2017  Yann Hodique

;; Author: Yann Hodique <hodiquey@vmware.com>
;; Keywords: 

;; This program 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.

;; This program 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:

;; 

;;; Code:

(eval-after-load 'python
  '(define-derived-mode bazel-mode python-mode "Bazel"
    "Major mode for Bazel files"
    nil))

(defvar bazel-buildifier "buildifier")

(defun bazel-install-reformat ()
  (add-hook 'before-save-hook 'bazel-format-code t t))

(defun bazel-format-code ()
  (interactive)
  (let ((pos (point)))
    (unwind-protect
         (call-process-region (point-min) (point-max)
                              bazel-buildifier t (list t nil) nil
                              "-mode=fix"))
    (goto-char pos)))

(provide 'bazel)
;;; bazel.el ends here