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Connect use-package to package-selected-packages

From: John Mastro
Subject: Connect use-package to package-selected-packages
Date: Fri, 29 Jul 2016 17:04:51 -0700

In a moment of boredom it occurred to me that, if you're using
`use-package' for all your ELPA packages, the
`package-selected-packages' mechanism is somewhat redundant. Why have
Emacs maintain a list of "selected packages" when they're already listed
in your init file?

I threw this in my non-byte-compiled init file, and it seems to work as
you'd expect[1]:

    (require 'package)


    (advice-add 'package--save-selected-packages :override #'ignore)

    (unless (package-installed-p 'use-package)
      (package-install 'use-package))

    (defun use-package-select-package (name &rest args)
      (let ((ensure (cadr (member :ensure args))))
        (when ensure
          (add-to-list 'package-selected-packages
                       (if (eq ensure t) name ensure)

    (advice-add 'use-package :before #'use-package-select-package)

    (require 'use-package)

However, I haven't quite convinced myself that it's actually a good
idea. Other `use-package' users, especially those of you that take
advantage of `package-selected-packages', what do you think?

If it is a good idea, I'll submit it as a(n optional) feature to


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