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+;;; use-package-diminish.el --- Support for the :diminish keyword  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+
+;; Author: John Wiegley <johnw@newartisans.com>
+;; Maintainer: John Wiegley <johnw@newartisans.com>
+
+;; 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 <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Provides support for the :diminish keyword, which is made available by
+;; default by requiring `use-package'.
+
+;;; Code:
+
+(require 'use-package-core)
+
+(defun use-package-normalize-diminish (name label arg &optional recursed)
+  "Normalize the arguments to diminish down to a list of one of two forms:
+     SYMBOL
+     (SYMBOL . STRING)"
+  (cond
+   ((not arg)
+    (list (use-package-as-mode name)))
+   ((use-package-non-nil-symbolp arg)
+    (list arg))
+   ((stringp arg)
+    (list (cons (use-package-as-mode name) arg)))
+   ((and (consp arg) (stringp (cdr arg)))
+    (list arg))
+   ((and (not recursed) (listp arg) (listp (cdr arg)))
+    (mapcar #'(lambda (x) (car (use-package-normalize-diminish
+                           name label x t))) arg))
+   (t
+    (use-package-error
+     (concat label " wants a string, symbol, "
+             "(symbol . string) or list of these")))))
+
+;;;###autoload
+(defun use-package-normalize/:diminish (name keyword args)
+  (use-package-as-one (symbol-name keyword) args
+    (apply-partially #'use-package-normalize-diminish name) t))
+
+;;;###autoload
+(defun use-package-handler/:diminish (name _keyword arg rest state)
+  (let ((body (use-package-process-keywords name rest state)))
+    (use-package-concat
+     (mapcar #'(lambda (var)
+                 `(if (fboundp 'diminish)
+                      ,(if (consp var)
+                           `(diminish ',(car var) ,(cdr var))
+                         `(diminish ',var))))
+             arg)
+     body)))
+
+(add-to-list 'use-package-keywords :diminish t)
+
+(provide 'use-package-diminish)
+
+;;; use-package-diminish.el ends here