;;; guix-profiles.el --- Guix profiles ;; Copyright © 2014 Alex Kost <alezost@gmail.com> ;; This file is part of GNU Guix. ;; GNU Guix 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 Guix 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 this program. If not, see <http://www.gnu.org/licenses/>. ;;; Code: (defvar guix-user-profile (expand-file-name "~/.guix-profile") "User profile.") (defvar guix-default-profile (concat (or (getenv "NIX_STATE_DIR") "@guix_localstatedir@/guix") "/profiles/per-user/" (getenv "USER") "/guix-profile") "Default Guix profile.") (defvar guix-current-profile guix-default-profile "Current profile.") (defun guix-profile-prompt (&optional default) "Prompt for profile and return it. Use DEFAULT as a start directory. If it is nil, use `guix-current-profile'." (let* ((path (read-file-name "Profile: " (file-name-directory (or default guix-current-profile)))) (path (directory-file-name (expand-file-name path)))) (if (string= path guix-user-profile) guix-default-profile path))) (defun guix-set-current-profile (path) "Set `guix-current-profile' to PATH. Interactively, prompt for PATH. With prefix, use `guix-default-profile'." (interactive (list (if current-prefix-arg guix-default-profile (guix-profile-prompt)))) (setq guix-current-profile path) (message "Current profile has been set to '%s'." guix-current-profile)) (provide 'guix-profiles) ;;; guix-profiles.el ends here