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(require 'package)
(setq package-archives '(("gnu" . "https://elpa.gnu.org/packages/")
("mepla" . "https://melpa.org/packages/")
("melpa-stable" . "https://stable.melpa.org/packages/")))
(defun gx/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.
This function is copied from
https://github.com/purcell/emacs.d/blob/master/lisp/init-elpa.el"
(or (package-installed-p package min-version)
(let* ((known (cdr (assoc package package-archive-contents)))
(best (car (sort known (lambda (a b)
(version-list-<= (package-desc-version b)
(package-desc-version a)))))))
(if (and best (version-list-<= min-version (package-desc-version best)))
(package-install best)
(if no-refresh
(error "No version of %s >= %S is available" package min-version)
(package-refresh-contents)
(gx/require-package package min-version t)))
(package-installed-p package min-version))))
(defun gx/maybe-require-package (package &optional min-version no-refresh)
"Try to install PACKAGE, and return non-nil if successful.
In the event of failure, return nil and print a warning message.
Optionally require MIN-VERSION. If NO-REFRESH is non-nil, the
available package lists will not be re-downloaded in order to
locate PACKAGE.
This function is copied from
https://github.com/purcell/emacs.d/blob/master/lisp/init-elpa.el"
(condition-case err
(gx/require-package package min-version no-refresh)
(error
(message "Couldn't install optional package `%s': %S" package err)
nil)))
(setq package-enable-at-startup nil)
(setq package-native-compile t)
(package-initialize)
(gx/maybe-require-package 'auto-package-update)
(autoload #'auto-package-update-now "auto-package-update")
(setq auto-package-update-delete-old-versions t
auto-package-update-hide-results t)
(provide 'init-package)
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