(require 'package)

;; Repositories
;; ================
(setq package-archives
      '(("melpa" . "https://melpa.org/packages/")
      ;;("melpa-stable" . "https://stable.melpa.org/packages/")
        ("gnu" . "https://elpa.gnu.org/packages/")
        ("org" . "https://orgmode.org/elpa/")))

(setq package-archive-priorities
      '(("melpa" . 4)
        ("melpa-stable" . 0)
        ("gnu" . 1)
        ("org" . 3)))
;; =================

;;; 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)