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diff --git a/lisp/init-elpa.el b/lisp/init-elpa.el
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+(require 'package)
+
+;; Repositories
+;; ================
+(let* ((no-ssl (and (memq system-type '(windows-nt ms-dos))
+                    (not (gnutls-available-p))))
+       (proto (if no-ssl "http" "https")))
+  ;; Comment/uncomment these two lines to enable/disable MELPA and MELPA Stable as desired
+  (add-to-list 'package-archives (cons "melpa" (concat proto "://melpa.org/packages/")) t)
+  ;;(add-to-list 'package-archives (cons "melpa-stable" (concat proto "://stable.melpa.org/packages/")) t)
+  (when (< emacs-major-version 24)
+    ;; For important compatibility libraries like cl-lib
+    (add-to-list 'package-archives '("gnu" . (concat proto "://elpa.gnu.org/packages/")))))
+;; =================
+
+;;; Find packages if not installed
+
+;; =================
+;;; On-demand installation of packages
+(defun require-package (package &optional min-version no-refresh)
+  "Install given PACKAGE, optionally requiring MIN-VERSION.
+If NO-REFRESH is non-nil, the available package lists will not be
+re-downloaded in order to locate PACKAGE."
+  (if (package-installed-p package min-version)
+      t
+    (if (or (assoc package package-archive-contents) no-refresh)
+        (if (boundp 'package-selected-packages)
+            ;; Record this as a package the user installed explicitly
+            (package-install package nil)
+          (package-install package))
+      (progn
+        (package-refresh-contents)
+        (require-package package min-version t)))))
+;; =================
+
+(package-initialize)
+
+(provide 'init-elpa)