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authorAlex Kost <alezost@gmail.com>2016-01-07 23:01:26 +0300
committerAlex Kost <alezost@gmail.com>2016-01-16 13:02:21 +0300
commit67cedc4ba69ec90b2d9d94646b861ba6821f342d (patch)
treea0d542e00e883c106c02e2fe7dfa698e7e5f67a2 /emacs/guix-ui-system-generation.el
parent56728668485dfcba457e64748ab709eacf39b6ce (diff)
downloadguix-67cedc4ba69ec90b2d9d94646b861ba6821f342d.tar
guix-67cedc4ba69ec90b2d9d94646b861ba6821f342d.tar.gz
emacs: Add interface for system generations.
* emacs/guix-main.scm (system-generation-boot-parameters) (system-generation-param-alist, system-generation-sexps): New procedures. (entries): Add 'system-generation' entry type. * emacs/guix-messages.el (guix-result-message): Use the same messages for 'generation' and 'system-generation' entry types. * emacs/guix-ui-system-generation.el: New file. * emacs.am (ELFILES): Add it. * doc/emacs.texi (Emacs Commands): Document new commands. * NEWS: Mention new interface.
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+;;; guix-ui-system-generation.el --- Interface for displaying system generations -*- lexical-binding: t -*-
+
+;; Copyright © 2016 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/>.
+
+;;; Commentary:
+
+;; This file provides an interface for displaying system generations
+;; in 'list' and 'info' buffers, and commands for working with them.
+
+;;; Code:
+
+(require 'cl-lib)
+(require 'guix-list)
+(require 'guix-ui)
+(require 'guix-ui-generation)
+(require 'guix-profiles)
+
+(guix-ui-define-entry-type system-generation)
+
+(defun guix-system-generation-get-display (search-type &rest search-values)
+ "Search for system generations and show results.
+See `guix-ui-get-entries' for the meaning of SEARCH-TYPE and
+SEARCH-VALUES."
+ (apply #'guix-list-get-display-entries
+ 'system-generation
+ guix-system-profile
+ search-type search-values))
+
+
+;;; System generation 'info'
+
+(guix-ui-info-define-interface system-generation
+ :buffer-name "*Guix Generation Info*"
+ :format '((number format guix-generation-info-insert-number)
+ (label format (format))
+ (prev-number format (format))
+ (current format guix-generation-info-insert-current)
+ (path format (format guix-file))
+ (time format (time))
+ (root-device format (format))
+ (kernel format (format guix-file)))
+ :titles guix-generation-info-titles)
+
+
+;;; System generation 'list'
+
+;; FIXME It is better to make `guix-generation-list-shared-map' with
+;; common keys for both usual and system generations.
+(defvar guix-system-generation-list-mode-map
+ (copy-keymap guix-generation-list-mode-map)
+ "Keymap for `guix-system-generation-list-mode' buffers.")
+
+(guix-ui-list-define-interface system-generation
+ :buffer-name "*Guix Generation List*"
+ :format '((number nil 5 guix-list-sort-numerically-0 :right-align t)
+ (current guix-generation-list-get-current 10 t)
+ (label nil 40 t)
+ (time guix-list-get-time 20 t)
+ (path guix-list-get-file-path 30 t))
+ :titles guix-generation-list-titles
+ :sort-key '(number . t)
+ :marks '((delete . ?D)))
+
+
+;;; Interactive commands
+
+;;;###autoload
+(defun guix-system-generations ()
+ "Display information about system generations."
+ (interactive)
+ (guix-system-generation-get-display 'all))
+
+;;;###autoload
+(defun guix-last-system-generations (number)
+ "Display information about last NUMBER of system generations."
+ (interactive "nThe number of last generations: ")
+ (guix-system-generation-get-display 'last number))
+
+;;;###autoload
+(defun guix-system-generations-by-time (from to)
+ "Display information about system generations created between FROM and TO."
+ (interactive
+ (list (guix-read-date "Find generations (from): ")
+ (guix-read-date "Find generations (to): ")))
+ (guix-system-generation-get-display
+ 'time (float-time from) (float-time to)))
+
+(provide 'guix-ui-system-generation)
+
+;;; guix-ui-system-generation.el ends here