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Don't allow :commands, :bind, etc., to be given an empty list

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This makes the following an error:

    :commands
    :commands nil
    :commands ()

Fixes https://github.com/jwiegley/use-package/issues/512
This commit is contained in:
John Wiegley 2017-11-28 11:16:12 -08:00
parent 4ddf42185a
commit 18b9bf18ad
1 changed files with 2 additions and 2 deletions
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4
lisp/use-package/use-package.el
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@ -828,12 +828,12 @@ If the package is installed, its entry is removed from
(defun use-package-as-one (label args f)
"Call F on the first element of ARGS if it has one element, or all of ARGS."
(declare (indent 1))
(if (and (listp args) (listp (cdr args)))
(if (and (not (null args)) (listp args) (listp (cdr args)))
(if (= (length args) 1)
(funcall f label (car args))
(funcall f label args))
(use-package-error
(concat label " wants a list"))))
(concat label " wants a non-empty list"))))
(put 'use-package-as-one 'lisp-indent-function 'defun)