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I've been using Git submodules within my dotfiles repository to track each Emacs package that I use. With a package manager being built-in with Emacs 24, though, I'd like to switch to the more official and easier-to-use method.

My problem with switching: With my current Git submodule method, any clone of the dotfiles repository is guaranteed to contain all the referenced add-ons. Is there a built-in functionality within this package manager to allow synchronization of packages, so that any pull of the Git repo will contain the necessary packages (or have them all installable with a single command)?

If there's nothing like this built-in, is there a "post-package-install" hook that I can use to maintain a text-based list of packages (later readable with a custom command which installs the packages in the list)? Essentially I would like to keep my packages / package list under version control so that it is portable between computers.

Jon Gauthier
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1 Answers1

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I tried el-get by kindahero's suggestion, but this didn't work out too well for me.. it didn't load correctly — either by some bug in the code or by my lack of skill in Emacs Lisp (more likely the latter).

I stumbled upon the Emacs Prelude project, and found a very simple snippet of code while browsing through the source:

(require 'package)
(add-to-list 'package-archives
             '("marmalade" . "http://marmalade-repo.org/packages/") t)
(package-initialize)

(when (not package-archive-contents)
  (package-refresh-contents))

(defvar prelude-packages
  '(auctex clojure-mode coffee-mode deft gist haml-mode
                 haskell-mode magit markdown-mode paredit projectile
                 sass-mode scss-mode yaml-mode yari yasnippet)
  "A list of packages to ensure are installed at launch.")

(dolist (p prelude-packages)
  (when (not (package-installed-p p))
    (package-install p)))

I shamelessly stole this for my own purposes, and it has been working great. I deleted almost all of my submodules by switching to the package manager (with the Marmalade repo).

Jon Gauthier
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