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;;; dh-elpa.el --- package.el style packages for Debian -*- lexical-binding:t -*-
;; Copyright (C) 2015 David Bremner
;; Author: David Bremner <bremner@debian.org>
;; Created: 11 July 2015
;; Version: 0.0.1
;; Keywords: tools
;; Package-Requires: ((tabulated-list "1.0"))
;; This file is NOT part of GNU Emacs.
;; dh-elpa is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;; Originally package-unpack from package.el in Emacs 24.5
(defun dhelpa-unpack (pkg-desc)
"Install the contents of the current buffer as a package."
(let* ((name (package-desc-name pkg-desc))
(dirname (package-desc-full-name pkg-desc))
(pkg-dir (expand-file-name dirname package-user-dir)))
(pcase (package-desc-kind pkg-desc)
(`tar
(make-directory package-user-dir t)
;; FIXME: should we delete PKG-DIR if it exists?
(let* ((default-directory (file-name-as-directory package-user-dir)))
(package-untar-buffer dirname)))
(`single
(let ((el-file (expand-file-name (format "%s.el" name) pkg-dir)))
(make-directory pkg-dir t)
(package--write-file-no-coding el-file)))
(kind (error "Unknown package kind: %S" kind)))
(package--make-autoloads-and-stuff pkg-desc pkg-dir)
;; Update package-alist.
(let ((new-desc (package-load-descriptor pkg-dir)))
;; FIXME: Check that `new-desc' matches `desc'!
;; FIXME: Compilation should be done as a separate, optional, step.
;; E.g. for multi-package installs, we should first install all packages
;; and then compile them.
(package--compile new-desc))
;; Try to activate it.
(package-activate name 'force)
pkg-dir))
;;; dh-elpa.el ends here
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