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I want my emacs to automatically upgrade all packages under certain conditions.

What's the best way of doing this?

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  • Here is a command fo upgrade all outdated packages: github.com/Malabarba/paradox/blob/2.3.5/paradox.el#L165-L181 (replace all paradox with package). Commented Sep 6, 2015 at 23:17
  • @xuchunyang Ah. I see that doesn't look too bad. If you make that an answer, I'd accept it. Commented Sep 7, 2015 at 2:31

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I'm not sure this is what you want (I don't know what you mean by “under certain conditions”), but here is a function I use to upgrade all packages without showing *Packages* buffer, which I find annoying when I just want to upgrade packages.

(defun package-upgrade-all () "Upgrade all packages automatically without showing *Packages* buffer." (interactive) (package-refresh-contents) (let (upgrades) (cl-flet ((get-version (name where) (let ((pkg (cadr (assq name where)))) (when pkg (package-desc-version pkg))))) (dolist (package (mapcar #'car package-alist)) (let ((in-archive (get-version package package-archive-contents))) (when (and in-archive (version-list-< (get-version package package-alist) in-archive)) (push (cadr (assq package package-archive-contents)) upgrades))))) (if upgrades (when (yes-or-no-p (message "Upgrade %d package%s (%s)? " (length upgrades) (if (= (length upgrades) 1) "" "s") (mapconcat #'package-desc-full-name upgrades ", "))) (save-window-excursion (dolist (package-desc upgrades) (let ((old-package (cadr (assq (package-desc-name package-desc) package-alist)))) (package-install package-desc) (package-delete old-package))))) (message "All packages are up to date"))))

This is well-tried. It also prevents compilation buffers from popping up.

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  • Nice. I'm going to use this with a slight variation that doesn't prompt before upgrading the packages. Commented Sep 7, 2015 at 15:03
  • Is there any particular reason why you do (y-or-n-p (message ..)) instead of just (y-or-n-p ...)? Commented Sep 8, 2015 at 21:19
  • @PythonNut, Well I need to construct prompt message, I don't remember now why I use message, it seems it can be done with format just as well. Commented Sep 8, 2015 at 21:55
  • Ah yes. I meant using format. Obviously you can't do it without any sort of string interpolation. Commented Sep 8, 2015 at 21:58
  • Emacs's package.el now ships with a command package-upgrade-all. Commented Nov 21, 2023 at 8:16
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You can use auto-package-update.

Install it by M-x package-install auto-update-package. It provides a function called auto-package-update-now. You can write a simple if condition and add that to your .emacs.

(if your-condition (auto-package-update-now))
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  • Hm... I'll keep this in mind, but the idea is to try automatically fixing packaged if they are broken. Depending on a package to do so is kinda nonsensical. :-) Commented Sep 7, 2015 at 4:05
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The package is now called auto-package update. (Too low reputation to write it as a comment to the Chillar post above).

(Copied from his post and merged with this answer):

Install it by M-x package-install auto-package-update. It provides a function called auto-package-update-now. You can write a simple if condition and add that to your ~/.emacs.

(if your-condition (auto-package-update-now))
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  • I've edited Chillar's answer to correct the package name, we can delete this one now I think. Commented Mar 13, 2018 at 13:24

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