guix/emacs/guix.el
Alex Kost 3472bb20c5 emacs: Use package/output type variables where needed.
* emacs/guix-list.el (guix-package-list-type, guix-output-list-describe-type):
  Move to...
* emacs/guix-base.el: ... here.  Rename 'guix-output-list-describe-type' to
  'guix-package-info-type'.
* emacs/guix-info.el (guix-generation-info-insert-number): Use
  'guix-package-list-type'.
* emacs/guix.el (guix-get-show-packages): Use 'guix-package-info-type'.
2014-09-28 22:46:15 +04:00

140 lines
4.7 KiB
EmacsLisp

;;; guix.el --- Interface for GNU Guix package manager
;; Copyright © 2014 Alex Kost <alezost@gmail.com>
;; Package-Requires: ((geiser "0.3"))
;; Keywords: tools
;; 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/>.
;;; Commentary:
;; This package provides an interface for searching, listing and getting
;; information about Guix packages and generations; and for
;; installing/upgrading/removing packages.
;;; Code:
(require 'guix-base)
(require 'guix-list)
(require 'guix-info)
(defgroup guix nil
"Interface for Guix package manager."
:prefix "guix-"
:group 'external)
(defcustom guix-list-single-package nil
"If non-nil, list a package even if it is the only matching result.
If nil, show a single package in the info buffer."
:type 'boolean
:group 'guix)
(defvar guix-search-params '(name synopsis description)
"Default list of package parameters for searching by regexp.")
(defvar guix-search-history nil
"A history of minibuffer prompts.")
(defun guix-get-show-packages (search-type &rest search-vals)
"Search for packages and show results.
See `guix-get-entries' for the meaning of SEARCH-TYPE and
SEARCH-VALS.
Results are displayed in the list buffer, unless a single package
is found and `guix-list-single-package' is nil."
(let ((packages (guix-get-entries guix-package-list-type
search-type search-vals
(guix-get-params-for-receiving
'list guix-package-list-type))))
(if (or guix-list-single-package
(cdr packages))
(guix-set-buffer packages 'list guix-package-list-type
search-type search-vals)
(let ((packages (guix-get-entries guix-package-info-type
search-type search-vals
(guix-get-params-for-receiving
'info guix-package-info-type))))
(guix-set-buffer packages 'info guix-package-info-type
search-type search-vals)))))
(defun guix-get-show-generations (search-type &rest search-vals)
"Search for generations and show results."
(apply #'guix-get-show-entries
'list 'generation search-type search-vals))
;;;###autoload
(defun guix-search-by-name (name)
"Search for Guix packages by NAME.
NAME is a string with name specification. It may optionally contain
a version number. Examples: \"guile\", \"guile-2.0.11\"."
(interactive
(list (read-string "Package name: " nil 'guix-search-history)))
(guix-get-show-packages 'name name))
;;;###autoload
(defun guix-search-by-regexp (regexp &rest params)
"Search for Guix packages by REGEXP.
PARAMS are package parameters that should be searched.
If PARAMS are not specified, use `guix-search-params'."
(interactive
(list (read-string "Regexp: " nil 'guix-search-history)))
(or params (setq params guix-search-params))
(guix-get-show-packages 'regexp regexp params))
;;;###autoload
(defun guix-installed-packages ()
"Display information about installed Guix packages."
(interactive)
(guix-get-show-packages 'installed))
;;;###autoload
(defun guix-obsolete-packages ()
"Display information about obsolete Guix packages."
(interactive)
(guix-get-show-packages 'obsolete))
;;;###autoload
(defun guix-all-available-packages ()
"Display information about all available Guix packages."
(interactive)
(guix-get-show-packages 'all-available))
;;;###autoload
(defun guix-newest-available-packages ()
"Display information about the newest available Guix packages."
(interactive)
(guix-get-show-packages 'newest-available))
;;;###autoload
(defun guix-generations (&optional number)
"Display information about last NUMBER generations.
If NUMBER is nil, display all generations.
Generations can be displayed in a list or info buffers depending
on `guix-show-generations-function'.
Interactively, NUMBER is defined by a numeric prefix."
(interactive "P")
(if (numberp number)
(guix-get-show-generations 'last number)
(guix-get-show-generations 'all)))
(provide 'guix)
;;; guix.el ends here