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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)
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