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Make Prelude package init code available to personal config files #171

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alexanderdean opened this Issue Jun 8, 2012 · 10 comments

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Building on your Stack Overflow answer here, it would be cool if your Prelude package initialization code (or a derivative) was somehow made available to Prelude users to make use of in their personal configuration files.

In other words, I would love to be able to do this:

;; ~/.emacs.d/personal/evil.el

(prelude-package-install evil)
(require 'evil)
(evil-mode 1)

I'm quite new to Prelude (and Emacs), so if this is a stupid request, feel free to close...

Contributor

genexp commented Jun 9, 2012

Hey @alexanderdean - Happily, I think this works the way you cant already. If you put anything in the personal directory it will get executed :) I use it to do exactly what you suggested.

Owner

bbatsov commented Jun 13, 2012

@alexanderdean I might be misunderstanding your request, but I'm pretty sure Prelude already does what you want :-)

Thanks for the comment @bbatsov - what would be the syntax then? I think I invented (prelude-package-install)...

Owner

bbatsov commented Jun 13, 2012

It would be (package-install 'evil) (it's a built-in feature of Emacs 24). I wouldn't put package installation in the init though (at least not without a check whether they aren't already installed first). You can use code similar to the one I've written in prelude-packages.el.

Ah thanks - I think that was my point: it would be nice if your code in prelude-packages.el was reusable so I didn't have to write my own! I'm new to Emacs but it would be nice if I could put my custom package dependencies in my dotfiles in a straightforward way rather than having to manually install them, write a custom script or indeed edit the list inside prelude-packages.el.

I'd think that would be a useful feature for other people too? But maybe I'm misunderstanding and my request isn't something that would be useful to other people... Feel free to close if so!

Owner

bbatsov commented Jun 13, 2012

I see - I've been thinking the very same thing for a while now and I'll implement that feature.

Cool! Glad it was a useful feature request :-)

Contributor

genexp commented Jun 13, 2012

+1 - I agree in spirit at least. If we want to make this easy, it
would be cook to have something like this:

./personal/packages.el.sample - Include sample code for checking is
something is installed, and if not, install it.

Let people rename it to packages.el if they want to use the feature

On Wed, Jun 13, 2012 at 9:43 AM, Bozhidar Batsov
reply@reply.github.com
wrote:

I see - I've been thinking the very same thing for a while now and I'll implement that feature.


Reply to this email directly or view it on GitHub:
#171 (comment)

Owner

bbatsov commented Dec 16, 2012

I've just added the function prelude-ensure-module-deps. It works like this:

(prelude-ensure-module-deps '(redo+ evil-numbers etc))

You simply need to put it before any code relying on the presence of the required packages.

@bbatsov bbatsov closed this Dec 16, 2012

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