882 lines
33 KiB
EmacsLisp
882 lines
33 KiB
EmacsLisp
;;; guix-info.el --- Info buffers for displaying entries -*- lexical-binding: t -*-
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;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com>
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;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
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;; This file is part of GNU Guix.
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;; GNU Guix is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Guix is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file provides a help-like buffer for displaying information
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;; about Guix packages and generations.
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;;; Code:
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(require 'guix-base)
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(require 'guix-utils)
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(defgroup guix-info nil
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"General settings for info buffers."
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:prefix "guix-info-"
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:group 'guix)
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(defface guix-info-param-title
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'((t :inherit font-lock-type-face))
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"Face used for titles of parameters."
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:group 'guix-info)
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(defface guix-info-file-path
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'((t :inherit link))
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"Face used for file paths."
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:group 'guix-info)
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(defface guix-info-url
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'((t :inherit link))
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"Face used for URLs."
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:group 'guix-info)
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(defface guix-info-time
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'((t :inherit font-lock-constant-face))
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"Face used for timestamps."
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:group 'guix-info)
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(defface guix-info-action-button
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'((((type x w32 ns) (class color))
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:box (:line-width 2 :style released-button)
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:background "lightgrey" :foreground "black")
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(t :inherit button))
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"Face used for action buttons."
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:group 'guix-info)
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(defface guix-info-action-button-mouse
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'((((type x w32 ns) (class color))
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:box (:line-width 2 :style released-button)
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:background "grey90" :foreground "black")
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(t :inherit highlight))
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"Mouse face used for action buttons."
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:group 'guix-info)
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(defcustom guix-info-ignore-empty-vals nil
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"If non-nil, do not display parameters with nil values."
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:type 'boolean
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:group 'guix-info)
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(defvar guix-info-param-title-format "%-18s: "
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"String used to format a title of a parameter.
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It should be a '%s'-sequence. After inserting a title formatted
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with this string, a value of the parameter is inserted.
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This string is used by `guix-info-insert-title-default'.")
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(defvar guix-info-multiline-prefix (make-string 20 ?\s)
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"String used to format multi-line parameter values.
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If a value occupies more than one line, this string is inserted
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in the beginning of each line after the first one.
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This string is used by `guix-info-insert-val-default'.")
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(defvar guix-info-indent 2
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"Number of spaces used to indent various parts of inserted text.")
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(defvar guix-info-fill-column 60
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"Column used for filling (word wrapping) parameters with long lines.
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If a value is not multi-line and it occupies more than this
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number of characters, it will be split into several lines.")
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(defvar guix-info-delimiter "\n\f\n"
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"String used to separate entries.")
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(defvar guix-info-insert-methods
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'((package
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(name guix-package-info-name)
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(version guix-package-info-version)
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(license guix-package-info-license)
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(synopsis guix-package-info-synopsis)
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(description guix-package-info-insert-description
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guix-info-insert-title-simple)
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(outputs guix-package-info-insert-outputs
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guix-info-insert-title-simple)
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(source guix-package-info-insert-source
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guix-info-insert-title-simple)
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(home-url guix-info-insert-url)
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(inputs guix-package-info-insert-inputs)
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(native-inputs guix-package-info-insert-native-inputs)
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(propagated-inputs guix-package-info-insert-propagated-inputs)
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(location guix-package-info-insert-location))
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(installed
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(path guix-package-info-insert-output-path
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guix-info-insert-title-simple)
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(dependencies guix-package-info-insert-output-dependencies
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guix-info-insert-title-simple))
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(output
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(name guix-package-info-name)
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(version guix-output-info-insert-version)
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(output guix-output-info-insert-output)
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(source guix-package-info-insert-source
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guix-info-insert-title-simple)
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(path guix-package-info-insert-output-path
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guix-info-insert-title-simple)
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(dependencies guix-package-info-insert-output-dependencies
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guix-info-insert-title-simple)
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(license guix-package-info-license)
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(synopsis guix-package-info-synopsis)
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(description guix-package-info-insert-description
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guix-info-insert-title-simple)
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(home-url guix-info-insert-url)
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(inputs guix-package-info-insert-inputs)
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(native-inputs guix-package-info-insert-native-inputs)
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(propagated-inputs guix-package-info-insert-propagated-inputs)
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(location guix-package-info-insert-location))
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(generation
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(number guix-generation-info-insert-number)
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(current guix-generation-info-insert-current)
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(path guix-info-insert-file-path)
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(time guix-info-insert-time)))
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"Methods for inserting parameter values.
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Each element of the list should have a form:
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(ENTRY-TYPE . ((PARAM INSERT-VALUE [INSERT-TITLE]) ...))
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INSERT-VALUE may be either nil, a face name or a function. If it
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is nil or a face, `guix-info-insert-val-default' function is
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called with parameter value and INSERT-VALUE as arguments. If it
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is a function, this function is called with parameter value and
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entry info (alist of parameters and their values) as arguments.
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INSERT-TITLE may be either nil, a face name or a function. If it
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is nil or a face, `guix-info-insert-title-default' function is
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called with parameter title and INSERT-TITLE as arguments. If it
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is a function, this function is called with parameter title as
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argument.")
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(defvar guix-info-displayed-params
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'((package name version synopsis outputs source location home-url
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license inputs native-inputs propagated-inputs description)
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(output name version output synopsis source path dependencies location
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home-url license inputs native-inputs propagated-inputs
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description)
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(installed path dependencies)
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(generation number prev-number current time path))
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"List of displayed entry parameters.
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Each element of the list should have a form:
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(ENTRY-TYPE . (PARAM ...))
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The order of displayed parameters is the same as in this list.")
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(defun guix-info-get-insert-methods (entry-type param)
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"Return list of insert methods for parameter PARAM of ENTRY-TYPE.
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See `guix-info-insert-methods' for details."
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(guix-get-key-val guix-info-insert-methods
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entry-type param))
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(defun guix-info-get-displayed-params (entry-type)
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"Return parameters of ENTRY-TYPE that should be displayed."
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(guix-get-key-val guix-info-displayed-params
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entry-type))
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(defun guix-info-get-indent (&optional level)
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"Return `guix-info-indent' \"multiplied\" by LEVEL spaces.
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LEVEL is 1 by default."
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(make-string (* guix-info-indent (or level 1)) ?\s))
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(defun guix-info-insert-indent (&optional level)
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"Insert `guix-info-indent' spaces LEVEL times (1 by default)."
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(insert (guix-info-get-indent level)))
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(defun guix-info-insert-entries (entries entry-type)
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"Display ENTRIES of ENTRY-TYPE in the current info buffer.
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ENTRIES should have a form of `guix-entries'."
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(guix-mapinsert (lambda (entry)
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(guix-info-insert-entry entry entry-type))
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entries
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guix-info-delimiter))
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(defun guix-info-insert-entry-default (entry entry-type
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&optional indent-level)
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"Insert ENTRY of ENTRY-TYPE into the current info buffer.
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If INDENT-LEVEL is non-nil, indent displayed information by this
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number of `guix-info-indent' spaces."
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(let ((region-beg (point)))
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(mapc (lambda (param)
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(guix-info-insert-param param entry entry-type))
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(guix-info-get-displayed-params entry-type))
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(when indent-level
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(indent-rigidly region-beg (point)
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(* indent-level guix-info-indent)))))
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(defun guix-info-insert-entry (entry entry-type &optional indent-level)
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"Insert ENTRY of ENTRY-TYPE into the current info buffer.
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Use `guix-info-insert-ENTRY-TYPE-function' or
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`guix-info-insert-entry-default' if it is nil."
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(let* ((var (intern (concat "guix-info-insert-"
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(symbol-name entry-type)
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"-function")))
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(fun (symbol-value var)))
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(if (functionp fun)
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(funcall fun entry)
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(guix-info-insert-entry-default entry entry-type indent-level))))
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(defun guix-info-insert-param (param entry entry-type)
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"Insert title and value of a PARAM at point.
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ENTRY is alist with parameters and their values.
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ENTRY-TYPE is a type of ENTRY."
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(let ((val (guix-get-key-val entry param)))
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(unless (and guix-info-ignore-empty-vals (null val))
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(let* ((title (guix-get-param-title entry-type param))
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(insert-methods (guix-info-get-insert-methods entry-type param))
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(val-method (car insert-methods))
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(title-method (cadr insert-methods)))
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(guix-info-method-funcall title title-method
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#'guix-info-insert-title-default)
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(guix-info-method-funcall val val-method
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#'guix-info-insert-val-default
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entry)
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(insert "\n")))))
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(defun guix-info-method-funcall (val method default-fun &rest args)
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"Call METHOD or DEFAULT-FUN.
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If METHOD is a function and VAL is non-nil, call this
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function by applying it to VAL and ARGS.
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If METHOD is a face, propertize inserted VAL with this face."
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(cond ((or (null method)
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(facep method))
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(funcall default-fun val method))
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((functionp method)
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(apply method val args))
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(t (error "Unknown method '%S'" method))))
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(defun guix-info-insert-title-default (title &optional face format)
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"Insert TITLE formatted with `guix-info-param-title-format' at point."
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(guix-format-insert title
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(or face 'guix-info-param-title)
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(or format guix-info-param-title-format)))
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(defun guix-info-insert-title-simple (title &optional face)
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"Insert TITLE at point."
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(guix-info-insert-title-default title face "%s:"))
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(defun guix-info-insert-val-default (val &optional face)
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"Format and insert parameter value VAL at point.
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This function is intended to be called after
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`guix-info-insert-title-default'.
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If VAL is a one-line string longer than `guix-info-fill-column',
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split it into several short lines. See also
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`guix-info-multiline-prefix'.
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If FACE is non-nil, propertize inserted line(s) with this FACE."
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(guix-split-insert val face
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guix-info-fill-column
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(concat "\n" guix-info-multiline-prefix)))
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(defun guix-info-insert-val-simple (val &optional face-or-fun)
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"Format and insert parameter value VAL at point.
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This function is intended to be called after
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`guix-info-insert-title-simple'.
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If VAL is a one-line string longer than `guix-info-fill-column',
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split it into several short lines and indent each line with
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`guix-info-indent' spaces.
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If FACE-OR-FUN is a face, propertize inserted line(s) with this FACE.
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If FACE-OR-FUN is a function, call it with VAL as argument. If
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VAL is a list, call the function on each element of this list."
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(if (null val)
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(progn (guix-info-insert-indent)
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(guix-format-insert nil))
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(let ((prefix (concat "\n" (guix-info-get-indent))))
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(insert prefix)
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(if (functionp face-or-fun)
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(guix-mapinsert face-or-fun
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(if (listp val) val (list val))
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prefix)
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(guix-split-insert val face-or-fun
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guix-info-fill-column prefix)))))
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(defun guix-info-insert-time (seconds &optional _)
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"Insert formatted time string using SECONDS at point."
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(guix-info-insert-val-default (guix-get-time-string seconds)
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'guix-info-time))
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;;; Buttons
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(defvar guix-info-button-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map button-map)
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(define-key map (kbd "c") 'guix-info-button-copy-label)
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map)
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"Keymap for buttons in info buffers.")
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(define-button-type 'guix
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'keymap guix-info-button-map
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'follow-link t)
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(define-button-type 'guix-action
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:supertype 'guix
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'face 'guix-info-action-button
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'mouse-face 'guix-info-action-button-mouse)
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(define-button-type 'guix-file
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:supertype 'guix
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'face 'guix-info-file-path
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'help-echo "Find file"
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'action (lambda (btn)
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(guix-find-file (button-label btn))))
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(define-button-type 'guix-url
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:supertype 'guix
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'face 'guix-info-url
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'help-echo "Browse URL"
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'action (lambda (btn)
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(browse-url (button-label btn))))
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(define-button-type 'guix-package-location
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:supertype 'guix
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'face 'guix-package-info-location
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'help-echo "Find location of this package"
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'action (lambda (btn)
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(guix-find-location (button-label btn))))
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(define-button-type 'guix-package-name
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:supertype 'guix
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'face 'guix-package-info-name-button
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'help-echo "Describe this package"
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'action (lambda (btn)
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(guix-get-show-entries guix-profile 'info guix-package-info-type
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'name (button-label btn))))
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(defun guix-info-button-copy-label (&optional pos)
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"Copy a label of the button at POS into kill ring.
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If POS is nil, use the current point position."
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(interactive)
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(let ((button (button-at (or pos (point)))))
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(when button
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(kill-new (button-label button)))))
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(defun guix-info-insert-action-button (label action &optional message
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&rest properties)
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"Make action button with LABEL and insert it at point.
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ACTION is a function called when the button is pressed. It
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should accept button as the argument.
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MESSAGE is a button message.
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See `insert-text-button' for the meaning of PROPERTIES."
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(apply #'guix-insert-button
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label 'guix-action
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'action action
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'help-echo message
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properties))
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(defun guix-info-insert-file-path (path &optional _)
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"Make button from file PATH and insert it at point."
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(guix-insert-button path 'guix-file))
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(defun guix-info-insert-url (url &optional _)
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"Make button from URL and insert it at point."
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(guix-insert-button url 'guix-url))
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(defvar guix-info-mode-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent
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map (make-composed-keymap (list guix-root-map button-buffer-map)
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special-mode-map))
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map)
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"Parent keymap for info buffers.")
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(define-derived-mode guix-info-mode special-mode "Guix-Info"
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"Parent mode for displaying information in info buffers.")
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;;; Displaying packages
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(guix-define-buffer-type info package
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:required (id installed non-unique))
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(defface guix-package-info-heading
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'((((type tty pc) (class color)) :weight bold)
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(t :height 1.6 :weight bold :inherit variable-pitch))
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"Face for package name and version headings."
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:group 'guix-package-info)
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(defface guix-package-info-name
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'((t :inherit font-lock-keyword-face))
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"Face used for a name of a package."
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:group 'guix-package-info)
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(defface guix-package-info-name-button
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'((t :inherit button))
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"Face used for a full name that can be used to describe a package."
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:group 'guix-package-info)
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(defface guix-package-info-version
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'((t :inherit font-lock-builtin-face))
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"Face used for a version of a package."
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:group 'guix-package-info)
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(defface guix-package-info-synopsis
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'((((type tty pc) (class color)) :weight bold)
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(t :height 1.1 :weight bold :inherit variable-pitch))
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"Face used for a synopsis of a package."
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:group 'guix-package-info)
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(defface guix-package-info-description
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'((t))
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"Face used for a description of a package."
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:group 'guix-package-info)
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(defface guix-package-info-license
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'((t :inherit font-lock-string-face))
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"Face used for a license of a package."
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:group 'guix-package-info)
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(defface guix-package-info-location
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'((t :inherit link))
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"Face used for a location of a package."
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:group 'guix-package-info)
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(defface guix-package-info-installed-outputs
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'((default :weight bold)
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(((class color) (min-colors 88) (background light))
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:foreground "ForestGreen")
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(((class color) (min-colors 88) (background dark))
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:foreground "PaleGreen")
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(((class color) (min-colors 8))
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:foreground "green")
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(t :underline t))
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"Face used for installed outputs of a package."
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:group 'guix-package-info)
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(defface guix-package-info-uninstalled-outputs
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'((t :weight bold))
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"Face used for uninstalled outputs of a package."
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:group 'guix-package-info)
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(defface guix-package-info-obsolete
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'((t :inherit error))
|
||
"Face used if a package is obsolete."
|
||
:group 'guix-package-info)
|
||
|
||
(defvar guix-info-insert-package-function
|
||
#'guix-package-info-insert-with-heading
|
||
"Function used to insert a package information.
|
||
It is called with a single argument - alist of package parameters.
|
||
If nil, insert package in a default way.")
|
||
|
||
(defvar guix-package-info-heading-params '(synopsis description)
|
||
"List of parameters displayed in a heading along with name and version.")
|
||
|
||
(defcustom guix-package-info-fill-heading t
|
||
"If nil, insert heading parameters in a raw form, without
|
||
filling them to fit the window."
|
||
:type 'boolean
|
||
:group 'guix-package-info)
|
||
|
||
(defun guix-package-info-insert-heading (entry)
|
||
"Insert the heading for package ENTRY.
|
||
Show package name, version, and `guix-package-info-heading-params'."
|
||
(guix-format-insert (concat (guix-get-key-val entry 'name) " "
|
||
(guix-get-key-val entry 'version))
|
||
'guix-package-info-heading)
|
||
(insert "\n\n")
|
||
(mapc (lambda (param)
|
||
(let ((val (guix-get-key-val entry param))
|
||
(face (guix-get-symbol (symbol-name param)
|
||
'info 'package)))
|
||
(when val
|
||
(let* ((col (min (window-width) fill-column))
|
||
(val (if guix-package-info-fill-heading
|
||
(guix-get-filled-string val col)
|
||
val)))
|
||
(guix-format-insert val (and (facep face) face))
|
||
(insert "\n\n")))))
|
||
guix-package-info-heading-params))
|
||
|
||
(defun guix-package-info-insert-with-heading (entry)
|
||
"Insert package ENTRY with its heading at point."
|
||
(guix-package-info-insert-heading entry)
|
||
(mapc (lambda (param)
|
||
(unless (or (memq param '(name version))
|
||
(memq param guix-package-info-heading-params))
|
||
(guix-info-insert-param param entry 'package)))
|
||
(guix-info-get-displayed-params 'package)))
|
||
|
||
(defun guix-package-info-insert-description (desc &optional _)
|
||
"Insert description DESC at point."
|
||
(guix-info-insert-val-simple desc 'guix-package-info-description))
|
||
|
||
(defun guix-package-info-insert-location (location &optional _)
|
||
"Make button from file LOCATION and insert it at point."
|
||
(guix-insert-button location 'guix-package-location))
|
||
|
||
(defmacro guix-package-info-define-insert-inputs (&optional type)
|
||
"Define a face and a function for inserting package inputs.
|
||
TYPE is a type of inputs.
|
||
Function name is `guix-package-info-insert-TYPE-inputs'.
|
||
Face name is `guix-package-info-TYPE-inputs'."
|
||
(let* ((type-str (symbol-name type))
|
||
(type-name (and type (concat type-str "-")))
|
||
(type-desc (and type (concat type-str " ")))
|
||
(face (intern (concat "guix-package-info-" type-name "inputs")))
|
||
(btn (intern (concat "guix-package-" type-name "input")))
|
||
(fun (intern (concat "guix-package-info-insert-" type-name "inputs"))))
|
||
`(progn
|
||
(defface ,face
|
||
'((t :inherit guix-package-info-name-button))
|
||
,(concat "Face used for " type-desc "inputs of a package.")
|
||
:group 'guix-package-info)
|
||
|
||
(define-button-type ',btn
|
||
:supertype 'guix-package-name
|
||
'face ',face)
|
||
|
||
(defun ,fun (inputs &optional _)
|
||
,(concat "Make buttons from " type-desc "INPUTS and insert them at point.")
|
||
(guix-package-info-insert-full-names inputs ',btn)))))
|
||
|
||
(guix-package-info-define-insert-inputs)
|
||
(guix-package-info-define-insert-inputs native)
|
||
(guix-package-info-define-insert-inputs propagated)
|
||
|
||
(defun guix-package-info-insert-full-names (names button-type)
|
||
"Make BUTTON-TYPE buttons from package NAMES and insert them at point.
|
||
NAMES is a list of strings."
|
||
(if names
|
||
(guix-info-insert-val-default
|
||
(with-temp-buffer
|
||
(guix-mapinsert (lambda (name)
|
||
(guix-insert-button name button-type))
|
||
names
|
||
guix-list-separator)
|
||
(buffer-substring (point-min) (point-max))))
|
||
(guix-format-insert nil)))
|
||
|
||
|
||
;;; Inserting outputs and installed parameters
|
||
|
||
(defvar guix-package-info-output-format "%-10s"
|
||
"String used to format output names of the packages.
|
||
It should be a '%s'-sequence. After inserting an output name
|
||
formatted with this string, an action button is inserted.")
|
||
|
||
(defvar guix-package-info-obsolete-string "(This package is obsolete)"
|
||
"String used if a package is obsolete.")
|
||
|
||
(defvar guix-info-insert-installed-function nil
|
||
"Function used to insert an installed information.
|
||
It is called with a single argument - alist of installed
|
||
parameters (`output', `path', `dependencies').
|
||
If nil, insert installed info in a default way.")
|
||
|
||
(defun guix-package-info-insert-outputs (outputs entry)
|
||
"Insert OUTPUTS from package ENTRY at point."
|
||
(and (guix-get-key-val entry 'obsolete)
|
||
(guix-package-info-insert-obsolete-text))
|
||
(and (guix-get-key-val entry 'non-unique)
|
||
(guix-get-key-val entry 'installed)
|
||
(guix-package-info-insert-non-unique-text
|
||
(guix-get-full-name entry)))
|
||
(insert "\n")
|
||
(mapc (lambda (output)
|
||
(guix-package-info-insert-output output entry))
|
||
outputs))
|
||
|
||
(defun guix-package-info-insert-obsolete-text ()
|
||
"Insert a message about obsolete package at point."
|
||
(guix-info-insert-indent)
|
||
(guix-format-insert guix-package-info-obsolete-string
|
||
'guix-package-info-obsolete))
|
||
|
||
(defun guix-package-info-insert-non-unique-text (full-name)
|
||
"Insert a message about non-unique package with FULL-NAME at point."
|
||
(insert "\n")
|
||
(guix-info-insert-indent)
|
||
(insert "Installed outputs are displayed for a non-unique ")
|
||
(guix-insert-button full-name 'guix-package-name)
|
||
(insert " package."))
|
||
|
||
(defun guix-package-info-insert-output (output entry)
|
||
"Insert OUTPUT at point.
|
||
Make some fancy text with buttons and additional stuff if the
|
||
current OUTPUT is installed (if there is such output in
|
||
`installed' parameter of a package ENTRY)."
|
||
(let* ((installed (guix-get-key-val entry 'installed))
|
||
(obsolete (guix-get-key-val entry 'obsolete))
|
||
(installed-entry (cl-find-if
|
||
(lambda (entry)
|
||
(string= (guix-get-key-val entry 'output)
|
||
output))
|
||
installed))
|
||
(action-type (if installed-entry 'delete 'install)))
|
||
(guix-info-insert-indent)
|
||
(guix-format-insert output
|
||
(if installed-entry
|
||
'guix-package-info-installed-outputs
|
||
'guix-package-info-uninstalled-outputs)
|
||
guix-package-info-output-format)
|
||
(guix-package-info-insert-action-button action-type entry output)
|
||
(when obsolete
|
||
(guix-info-insert-indent)
|
||
(guix-package-info-insert-action-button 'upgrade entry output))
|
||
(insert "\n")
|
||
(when installed-entry
|
||
(guix-info-insert-entry installed-entry 'installed 2))))
|
||
|
||
(defun guix-package-info-insert-action-button (type entry output)
|
||
"Insert button to process an action on a package OUTPUT at point.
|
||
TYPE is one of the following symbols: `install', `delete', `upgrade'.
|
||
ENTRY is an alist with package info."
|
||
(let ((type-str (capitalize (symbol-name type)))
|
||
(full-name (guix-get-full-name entry output)))
|
||
(guix-info-insert-action-button
|
||
type-str
|
||
(lambda (btn)
|
||
(guix-process-package-actions
|
||
guix-profile
|
||
`((,(button-get btn 'action-type) (,(button-get btn 'id)
|
||
,(button-get btn 'output))))
|
||
(current-buffer)))
|
||
(concat type-str " '" full-name "'")
|
||
'action-type type
|
||
'id (or (guix-get-key-val entry 'package-id)
|
||
(guix-get-key-val entry 'id))
|
||
'output output)))
|
||
|
||
(defun guix-package-info-insert-output-path (path &optional _)
|
||
"Insert PATH of the installed output."
|
||
(guix-info-insert-val-simple path #'guix-info-insert-file-path))
|
||
|
||
(defalias 'guix-package-info-insert-output-dependencies
|
||
'guix-package-info-insert-output-path)
|
||
|
||
|
||
;;; Inserting a source
|
||
|
||
(defface guix-package-info-source
|
||
'((t :inherit link :underline nil))
|
||
"Face used for a source URL of a package."
|
||
:group 'guix-package-info)
|
||
|
||
(defcustom guix-package-info-auto-find-source nil
|
||
"If non-nil, find a source file after pressing a \"Show\" button.
|
||
If nil, just display the source file path without finding."
|
||
:type 'boolean
|
||
:group 'guix-package-info)
|
||
|
||
(defcustom guix-package-info-auto-download-source t
|
||
"If nil, do not automatically download a source file if it doesn't exist.
|
||
After pressing a \"Show\" button, a derivation of the package
|
||
source is calculated and a store file path is displayed. If this
|
||
variable is non-nil and the source file does not exist in the
|
||
store, it will be automatically downloaded (with a possible
|
||
prompt depending on `guix-operation-confirm' variable)."
|
||
:type 'boolean
|
||
:group 'guix-package-info)
|
||
|
||
(defvar guix-package-info-download-buffer nil
|
||
"Buffer from which a current download operation was performed.")
|
||
|
||
(define-button-type 'guix-package-source
|
||
:supertype 'guix
|
||
'face 'guix-package-info-source
|
||
'help-echo ""
|
||
'action (lambda (_)
|
||
;; As a source may not be a real URL (e.g., "mirror://..."),
|
||
;; no action is bound to a source button.
|
||
(message "Yes, this is the source URL. What did you expect?")))
|
||
|
||
(defun guix-package-info-insert-source-url (url &optional _)
|
||
"Make button from source URL and insert it at point."
|
||
(guix-insert-button url 'guix-package-source))
|
||
|
||
(defun guix-package-info-show-source (entry-id package-id)
|
||
"Show file name of a package source in the current info buffer.
|
||
Find the file if needed (see `guix-package-info-auto-find-source').
|
||
ENTRY-ID is an ID of the current entry (package or output).
|
||
PACKAGE-ID is an ID of the package which source to show."
|
||
(let* ((entry (guix-get-entry-by-id entry-id guix-entries))
|
||
(file (guix-package-source-path package-id)))
|
||
(or file
|
||
(error "Couldn't define file path of the package source"))
|
||
(let* ((new-entry (cons (cons 'source-file file)
|
||
entry))
|
||
(entries (cl-substitute-if
|
||
new-entry
|
||
(lambda (entry)
|
||
(equal (guix-get-key-val entry 'id)
|
||
entry-id))
|
||
guix-entries
|
||
:count 1)))
|
||
(guix-redisplay-buffer :entries entries)
|
||
(if (file-exists-p file)
|
||
(if guix-package-info-auto-find-source
|
||
(guix-find-file file)
|
||
(message "The source store path is displayed."))
|
||
(if guix-package-info-auto-download-source
|
||
(guix-package-info-download-source package-id)
|
||
(message "The source does not exist in the store."))))))
|
||
|
||
(defun guix-package-info-download-source (package-id)
|
||
"Download a source of the package PACKAGE-ID."
|
||
(setq guix-package-info-download-buffer (current-buffer))
|
||
(guix-package-source-build-derivation
|
||
package-id
|
||
"The source does not exist in the store. Download it?"))
|
||
|
||
(defun guix-package-info-insert-source (source entry)
|
||
"Insert SOURCE from package ENTRY at point.
|
||
SOURCE is a list of URLs."
|
||
(guix-info-insert-indent)
|
||
(if (null source)
|
||
(guix-format-insert nil)
|
||
(let* ((source-file (guix-get-key-val entry 'source-file))
|
||
(entry-id (guix-get-key-val entry 'id))
|
||
(package-id (or (guix-get-key-val entry 'package-id)
|
||
entry-id)))
|
||
(if (null source-file)
|
||
(guix-info-insert-action-button
|
||
"Show"
|
||
(lambda (btn)
|
||
(guix-package-info-show-source (button-get btn 'entry-id)
|
||
(button-get btn 'package-id)))
|
||
"Show the source store path of the current package"
|
||
'entry-id entry-id
|
||
'package-id package-id)
|
||
(unless (file-exists-p source-file)
|
||
(guix-info-insert-action-button
|
||
"Download"
|
||
(lambda (btn)
|
||
(guix-package-info-download-source
|
||
(button-get btn 'package-id)))
|
||
"Download the source into the store"
|
||
'package-id package-id))
|
||
(guix-info-insert-val-simple source-file
|
||
#'guix-info-insert-file-path))
|
||
(guix-info-insert-val-simple source
|
||
#'guix-package-info-insert-source-url))))
|
||
|
||
(defun guix-package-info-redisplay-after-download ()
|
||
"Redisplay an 'info' buffer after downloading the package source.
|
||
This function is used to hide a \"Download\" button if needed."
|
||
(when (buffer-live-p guix-package-info-download-buffer)
|
||
(guix-redisplay-buffer :buffer guix-package-info-download-buffer)
|
||
(setq guix-package-info-download-buffer nil)))
|
||
|
||
(add-hook 'guix-after-source-download-hook
|
||
'guix-package-info-redisplay-after-download)
|
||
|
||
|
||
;;; Displaying outputs
|
||
|
||
(guix-define-buffer-type info output
|
||
:buffer-name "*Guix Package Info*"
|
||
:required (id package-id installed non-unique))
|
||
|
||
(defvar guix-info-insert-output-function nil
|
||
"Function used to insert an output information.
|
||
It is called with a single argument - alist of output parameters.
|
||
If nil, insert output in a default way.")
|
||
|
||
(defun guix-output-info-insert-version (version entry)
|
||
"Insert output VERSION and obsolete text if needed at point."
|
||
(guix-info-insert-val-default version
|
||
'guix-package-info-version)
|
||
(and (guix-get-key-val entry 'obsolete)
|
||
(guix-package-info-insert-obsolete-text)))
|
||
|
||
(defun guix-output-info-insert-output (output entry)
|
||
"Insert OUTPUT and action buttons at point."
|
||
(let* ((installed (guix-get-key-val entry 'installed))
|
||
(obsolete (guix-get-key-val entry 'obsolete))
|
||
(action-type (if installed 'delete 'install)))
|
||
(guix-info-insert-val-default
|
||
output
|
||
(if installed
|
||
'guix-package-info-installed-outputs
|
||
'guix-package-info-uninstalled-outputs))
|
||
(guix-info-insert-indent)
|
||
(guix-package-info-insert-action-button action-type entry output)
|
||
(when obsolete
|
||
(guix-info-insert-indent)
|
||
(guix-package-info-insert-action-button 'upgrade entry output))))
|
||
|
||
|
||
;;; Displaying generations
|
||
|
||
(guix-define-buffer-type info generation)
|
||
|
||
(defface guix-generation-info-number
|
||
'((t :inherit font-lock-keyword-face))
|
||
"Face used for a number of a generation."
|
||
:group 'guix-generation-info)
|
||
|
||
(defface guix-generation-info-current
|
||
'((t :inherit guix-package-info-installed-outputs))
|
||
"Face used if a generation is the current one."
|
||
:group 'guix-generation-info)
|
||
|
||
(defface guix-generation-info-not-current
|
||
'((t nil))
|
||
"Face used if a generation is not the current one."
|
||
:group 'guix-generation-info)
|
||
|
||
(defvar guix-info-insert-generation-function nil
|
||
"Function used to insert a generation information.
|
||
It is called with a single argument - alist of generation parameters.
|
||
If nil, insert generation in a default way.")
|
||
|
||
(defun guix-generation-info-insert-number (number &optional _)
|
||
"Insert generation NUMBER and action buttons."
|
||
(guix-info-insert-val-default number 'guix-generation-info-number)
|
||
(guix-info-insert-indent)
|
||
(guix-info-insert-action-button
|
||
"Packages"
|
||
(lambda (btn)
|
||
(guix-get-show-entries guix-profile 'list guix-package-list-type
|
||
'generation (button-get btn 'number)))
|
||
"Show installed packages for this generation"
|
||
'number number)
|
||
(guix-info-insert-indent)
|
||
(guix-info-insert-action-button
|
||
"Delete"
|
||
(lambda (btn)
|
||
(guix-delete-generations guix-profile (list (button-get btn 'number))
|
||
(current-buffer)))
|
||
"Delete this generation"
|
||
'number number))
|
||
|
||
(defun guix-generation-info-insert-current (val entry)
|
||
"Insert boolean value VAL showing whether this generation is current."
|
||
(if val
|
||
(guix-info-insert-val-default "Yes" 'guix-generation-info-current)
|
||
(guix-info-insert-val-default "No" 'guix-generation-info-not-current)
|
||
(guix-info-insert-indent)
|
||
(guix-info-insert-action-button
|
||
"Switch"
|
||
(lambda (btn)
|
||
(guix-switch-to-generation guix-profile (button-get btn 'number)
|
||
(current-buffer)))
|
||
"Switch to this generation (make it the current one)"
|
||
'number (guix-get-key-val entry 'number))))
|
||
|
||
(provide 'guix-info)
|
||
|
||
;;; guix-info.el ends here
|