31 lines
1,003 B
EmacsLisp
31 lines
1,003 B
EmacsLisp
(require 'package)
|
|
(package-initialize)
|
|
|
|
(defun elpa2nix-install-package ()
|
|
(if (not noninteractive)
|
|
(error "`elpa2nix-install-package' is to be used only with -batch"))
|
|
(pcase command-line-args-left
|
|
(`(,archive ,elpa)
|
|
(progn (setq package-user-dir elpa)
|
|
(elpa2nix-install-file archive)))))
|
|
|
|
(defun elpa2nix-install-from-buffer ()
|
|
"Install a package from the current buffer."
|
|
(let ((pkg-desc (if (derived-mode-p 'tar-mode)
|
|
(package-tar-file-info)
|
|
(package-buffer-info))))
|
|
;; Install the package itself.
|
|
(package-unpack pkg-desc)
|
|
pkg-desc))
|
|
|
|
(defun elpa2nix-install-file (file)
|
|
"Install a package from a file.
|
|
The file can either be a tar file or an Emacs Lisp file."
|
|
(let ((is-tar (string-match "\\.tar\\'" file)))
|
|
(with-temp-buffer
|
|
(if is-tar
|
|
(insert-file-contents-literally file)
|
|
(insert-file-contents file))
|
|
(when is-tar (tar-mode))
|
|
(elpa2nix-install-from-buffer))))
|