As many people, I have some custom update script which...
- updates my distro packages,
git pull && makein several projects which I build from source (like emacs),
- updates my rust toolchain,
One thing it also does is updating all emacs packages I have installed and how that works is the topic of this posting.
On the emacs side, you have to install the
do that using use-package in my
~/.emacs like so:
(use-package auto-package-update :ensure t :config ;; Yes, please delete the old version on updates. (setq auto-package-update-delete-old-versions t))
The package provides a function
auto-package-update-now which I simply call
from my shell script.
$ emacs --eval '(progn (sit-for 2) (auto-package-update-now))'
Don't ask me why I use
--eval including the
sit-for. I guess there were
reasons but I simply cannot remember...
Well, you can also just use this simpler recipe.
$ emacs -f auto-package-update-now
That seems to work just as well. Try it out! If there's some case where that
fails but the
--eval '(progn (sit-for 2) (auto-package-update-now))' version
works, please drop me a mail and remember me of the
reasons I've had back then.
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