guix-devel/emacs/guix.el

211 lines
7.1 KiB
EmacsLisp

;;; guix.el --- Interface for GNU Guix package manager
;; Copyright © 2014, 2015 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)
(require 'guix-utils)
(require 'guix-read)
(defgroup guix nil
"Interface for Guix package manager."
:prefix "guix-"
:group 'external)
(defgroup guix-faces nil
"Guix faces."
:group 'guix
:group 'faces)
(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 (profile search-type &rest search-values)
"Search for packages and show results.
If PROFILE is nil, use `guix-current-profile'.
See `guix-ui-get-entries' for the meaning of SEARCH-TYPE and
SEARCH-VALUES.
Results are displayed in the list buffer, unless a single package
is found and `guix-list-single-package' is nil."
(let* ((args (cl-list* (or profile guix-current-profile)
search-type search-values))
(entries (guix-buffer-get-entries
'list guix-package-list-type args)))
(if (or guix-list-single-package
(null entries)
(cdr entries))
(guix-buffer-display-entries
entries 'list guix-package-list-type args 'add)
(guix-buffer-get-display-entries
'info guix-package-info-type args 'add))))
(defun guix-get-show-generations (profile search-type &rest search-values)
"Search for generations and show results.
If PROFILE is nil, use `guix-current-profile'.
See `guix-ui-get-entries' for the meaning of SEARCH-TYPE and
SEARCH-VALUES."
(let ((args (cl-list* (or profile guix-current-profile)
search-type search-values)))
(guix-buffer-get-display-entries
'list 'generation args 'add)))
;;;###autoload
(defun guix-search-by-name (name &optional profile)
"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\".
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (read-string "Package name: " nil 'guix-search-history)
(and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-packages profile 'name name))
;;;###autoload
(defun guix-search-by-regexp (regexp &optional params profile)
"Search for Guix packages by REGEXP.
PARAMS are package parameters that should be searched.
If PARAMS are not specified, use `guix-search-params'.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (read-regexp "Regexp: " nil 'guix-search-history)
nil
(and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-packages profile 'regexp regexp
(or params guix-search-params)))
;;;###autoload
(defun guix-installed-packages (&optional profile)
"Display information about installed Guix packages.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-packages profile 'installed))
;;;###autoload
(defun guix-obsolete-packages (&optional profile)
"Display information about obsolete Guix packages.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-packages profile 'obsolete))
;;;###autoload
(defun guix-all-available-packages (&optional profile)
"Display information about all available Guix packages.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-packages profile 'all-available))
;;;###autoload
(defun guix-newest-available-packages (&optional profile)
"Display information about the newest available Guix packages.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-packages profile 'newest-available))
;;;###autoload
(defun guix-generations (&optional profile)
"Display information about all generations.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-generations profile 'all))
;;;###autoload
(defun guix-last-generations (number &optional profile)
"Display information about last NUMBER generations.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (read-number "The number of last generations: ")
(and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-generations profile 'last number))
;;;###autoload
(defun guix-generations-by-time (from to &optional profile)
"Display information about generations created between FROM and TO.
FROM and TO should be time values.
If PROFILE is nil, use `guix-current-profile'.
Interactively with prefix, prompt for PROFILE."
(interactive
(list (guix-read-date "Find generations (from): ")
(guix-read-date "Find generations (to): ")
(and current-prefix-arg
(guix-profile-prompt))))
(guix-get-show-generations profile 'time
(float-time from)
(float-time to)))
;;;###autoload
(defun guix-edit (id-or-name)
"Edit (go to location of) package with ID-OR-NAME."
(interactive (list (guix-read-package-name)))
(let ((loc (guix-package-location id-or-name)))
(if loc
(guix-find-location loc)
(message "Couldn't find package location."))))
(provide 'guix)
;;; guix.el ends here