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Aquamacs 2.3a and Marmalade

A quick and easy way to packages up-and-running in Aquamacs is to use Marmalade. Marmalade is a package manager. It’ll fetch an elisp package for you, install it, and make sure it loads up again when you restart emacs.

Marmalade is sort of the next-gen version of ELPA, the Emacs Lisp Package Archive. Even better, it’s the package manager (with some tweaks) used in Emacs 24 (which will become Aquamacs 2.4).

I’m excited to see Emacs improving the user experience. It’s about time it started making life easier for people who want more than a bare-minimum emacs experience.

Getting setup

First download package.el and put it in ~/Library/Preferences/Aquamacs Emacs/:

$ cd ~/Library/Preferences/Aquamacs\ Emacs/
$ wget http://repo.or.cz/w/emacs.git/blob_plain/1a0a666f941c99882093d7bd08ced15033bc3f0c:/lisp/emacs-lisp/package.el

Next edit ~/Library/Preferences/Aquamacs Emacs/Preferences.el and add these lines:

(require 'package)
;; Marmalade
(add-to-list 'package-archives
             '("marmalade" . "http://marmalade-repo.org/packages/"))
;; The original ELPA archive still has some useful
;; stuff.
;; (add-to-list 'package-archives<br />
;;              '("elpa" . "http://tromey.com/elpa/"))
(package-initialize)

Now restart Aquamacs.

Installing Packages

Once you have Aquamacs running, type M-x list-packages

Wait a few seconds and you’ll see a list of packages. You move around the buffer normally. To get help, press h. To mark something for install, press i. To actually execute the install, use x.

After you install a package, you may need to add the appropriate (require 'foo) to Preferences.el. For example, I needed it for “textmate-mode”, “yaml-mode”, and “ecb_snap”, but I didn’t need it for “scss-mode” or “sasl-mode”. I’m not sure if that’s a bug in Marmalade or a “feature”.

Either way, you can use this to install ECB (Use ecb_snap for Aquamacs 2.3a and add (require 'ecb) to the end of your Preferences.el). This is easier than my previous article. Cool!

Closing Notes

If you have any problems, check out the various ELPA resources. Even though it’s a different repository, it still uses the same mechanisms. The only difference is that in the ELPA version of package.el the command to list the packages is package-list-packages, but with the Marmalade version it’s list-packages.

Ciao!

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The personal blog of Christian Höltje.
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