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- ;;; use-package-lint.el --- Attempt to find errors in use-package declarations -*- lexical-binding: t; -*-
-
- ;; Copyright (C) 2012-2017 John Wiegley
-
- ;; Author: John Wiegley <johnw@newartisans.com>
- ;; Maintainer: John Wiegley <johnw@newartisans.com>
- ;; Created: 17 Jun 2012
- ;; Modified: 3 Dec 2017
- ;; Version: 1.0
- ;; Package-Requires: ((emacs "24.3") (use-package "2.4"))
- ;; Keywords: dotemacs startup speed config package
- ;; URL: https://github.com/jwiegley/use-package
-
- ;; 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, 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 GNU Emacs; see the file COPYING. If not, write to the
- ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Commentary:
-
- ;; Provides the command `M-x use-package-lint'.
-
- ;;; Code:
-
- (require 'cl-lib)
- (require 'use-package-core)
-
- (defun use-package-lint-declaration (name plist)
- (dolist (path (plist-get plist :load-path))
- (unless (file-exists-p path)
- (display-warning
- 'use-package
- (format "%s :load-path does not exist: %s"
- name path) :error)))
-
- (unless (or (plist-member plist :disabled)
- (plist-get plist :no-require)
- (locate-library (use-package-as-string name) nil
- (plist-get plist :load-path)))
- (display-warning
- 'use-package
- (format "%s module cannot be located" name) :error))
-
- ;; (dolist (command (plist-get plist :commands))
- ;; (unless (string= (find-lisp-object-file-name command nil)
- ;; (locate-library (use-package-as-string name) nil
- ;; (plist-get plist :load-path)))
- ;; (display-warning
- ;; 'use-package
- ;; (format "%s :command is from different path: %s"
- ;; name (symbol-name command)) :error)))
- )
-
- ;;;###autoload
- (defun use-package-lint ()
- "Check for errors in use-package declarations.
- For example, if the module's `:if' condition is met, but even
- with the specified `:load-path' the module cannot be found."
- (interactive)
- (save-excursion
- (goto-char (point-min))
- (let ((re (eval use-package-form-regexp-eval)))
- (while (re-search-forward re nil t)
- (goto-char (match-beginning 0))
- (let ((decl (read (current-buffer))))
- (when (eq (car decl) 'use-package)
- (use-package-lint-declaration
- (use-package-as-string (cadr decl))
- (use-package-normalize-keywords
- (cadr decl) (cddr decl)))))))))
-
- (provide 'use-package-lint)
-
- ;;; use-package-lint.el ends here
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