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https://git.in.rschanz.org/ryan77627/guix.git
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4ba476f949
* emacs/guix-utils.el (guix-keyword-args-let): New macro. (guix-utils-font-lock-keywords): Add it. * emacs/guix-base.el (guix-define-buffer-type): Use it. * emacs/guix-list.el (guix-list-define-entry-type): Use it. * emacs/guix-read.el (guix-define-readers): Use it.
1146 lines
44 KiB
EmacsLisp
1146 lines
44 KiB
EmacsLisp
;;; guix-base.el --- Common definitions -*- lexical-binding: t -*-
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;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com>
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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 some base and common definitions for guix.el
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;; package.
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;; List and info buffers have many common patterns that are defined
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;; using `guix-define-buffer-type' macro from this file.
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;;; Code:
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(require 'cl-lib)
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(require 'guix-profiles)
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(require 'guix-backend)
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(require 'guix-entry)
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(require 'guix-guile)
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(require 'guix-utils)
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(require 'guix-history)
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(require 'guix-messages)
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;;; Parameters of the entries
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(defvar guix-param-titles
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'((package
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(home-url . "Home page"))
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(installed
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(path . "Installed path"))
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(output
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(home-url . "Home page")
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(path . "Installed path"))
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(generation
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(prev-number . "Previous number")))
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"List for defining titles of entry parameters.
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Titles are used for displaying information about entries.
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Each element of the list has a form:
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(ENTRY-TYPE . ((PARAM . TITLE) ...))")
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(defun guix-get-param-title (entry-type param)
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"Return title of an ENTRY-TYPE entry parameter PARAM."
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(or (guix-assq-value guix-param-titles
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entry-type param)
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(guix-symbol-title param)))
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(defun guix-package-name-specification (name version &optional output)
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"Return Guix package specification by its NAME, VERSION and OUTPUT."
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(concat name "-" version
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(when output (concat ":" output))))
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(defun guix-package-entry->name-specification (entry &optional output)
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"Return name specification of the package ENTRY and OUTPUT."
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(guix-package-name-specification
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(guix-entry-value entry 'name)
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(guix-entry-value entry 'version)
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(or output (guix-entry-value entry 'output))))
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(defun guix-package-entries->name-specifications (entries)
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"Return name specifications by the package or output ENTRIES."
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(cl-remove-duplicates (mapcar #'guix-package-entry->name-specification
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entries)
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:test #'string=))
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(defun guix-package-installed-outputs (entry)
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"Return list of installed outputs for the package ENTRY."
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(mapcar (lambda (installed-entry)
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(guix-entry-value installed-entry 'output))
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(guix-entry-value entry 'installed)))
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(defun guix-package-id-and-output-by-output-id (oid)
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"Return list (PACKAGE-ID OUTPUT) by output id OID."
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(cl-multiple-value-bind (pid-str output)
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(split-string oid ":")
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(let ((pid (string-to-number pid-str)))
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(list (if (= 0 pid) pid-str pid)
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output))))
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;;; Location of the packages
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(defvar guix-directory nil
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"Default Guix directory.
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If it is not set by a user, it is set after starting Guile REPL.
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This directory is used to define location of the packages.")
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(defun guix-set-directory ()
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"Set `guix-directory' if needed."
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(or guix-directory
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(setq guix-directory
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(guix-eval-read "%guix-dir"))))
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(add-hook 'guix-after-start-repl-hook 'guix-set-directory)
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(defun guix-find-location (location)
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"Go to LOCATION of a package.
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LOCATION is a string of the form:
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\"PATH:LINE:COLUMN\"
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If PATH is relative, it is considered to be relative to
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`guix-directory'."
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(cl-multiple-value-bind (path line col)
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(split-string location ":")
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(let ((file (expand-file-name path guix-directory))
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(line (string-to-number line))
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(col (string-to-number col)))
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(find-file file)
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(goto-char (point-min))
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(forward-line (- line 1))
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(move-to-column col)
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(recenter 1))))
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(defun guix-package-location (id-or-name)
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"Return location of a package with ID-OR-NAME.
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For the meaning of location, see `guix-find-location'."
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(guix-eval-read (guix-make-guile-expression
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'package-location-string id-or-name)))
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;;; Receivable lists of packages, lint checkers, etc.
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(guix-memoized-defun guix-graph-type-names ()
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"Return a list of names of available graph node types."
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(guix-eval-read (guix-make-guile-expression 'graph-type-names)))
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(guix-memoized-defun guix-refresh-updater-names ()
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"Return a list of names of available refresh updater types."
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(guix-eval-read (guix-make-guile-expression 'refresh-updater-names)))
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(guix-memoized-defun guix-lint-checker-names ()
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"Return a list of names of available lint checkers."
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(guix-eval-read (guix-make-guile-expression 'lint-checker-names)))
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(guix-memoized-defun guix-package-names ()
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"Return a list of names of available packages."
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(sort
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;; Work around <https://github.com/jaor/geiser/issues/64>:
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;; list of strings is parsed much slower than list of lists,
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;; so we use 'package-names-lists' instead of 'package-names'.
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;; (guix-eval-read (guix-make-guile-expression 'package-names))
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(mapcar #'car
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(guix-eval-read (guix-make-guile-expression
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'package-names-lists)))
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#'string<))
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;;; Buffers and auto updating.
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(defcustom guix-update-after-operation 'current
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"Define what information to update after executing an operation.
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After successful executing an operation in the Guix REPL (for
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example after installing a package), information in Guix buffers
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will or will not be automatically updated depending on a value of
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this variable.
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If nil, update nothing (do not revert any buffer).
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If `current', update the buffer from which an operation was performed.
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If `all', update all Guix buffers (not recommended)."
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:type '(choice (const :tag "Do nothing" nil)
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(const :tag "Update operation buffer" current)
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(const :tag "Update all Guix buffers" all))
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:group 'guix)
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(defcustom guix-buffer-name-function #'guix-buffer-name-default
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"Function used to define name of a buffer for displaying information.
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The function is called with 4 arguments: PROFILE, BUFFER-TYPE,
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ENTRY-TYPE, SEARCH-TYPE. See `guix-get-entries' for the meaning
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of the arguments."
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:type '(choice (function-item guix-buffer-name-default)
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(function-item guix-buffer-name-simple)
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(function :tag "Other function"))
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:group 'guix)
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(defun guix-buffer-name-simple (_profile buffer-type entry-type
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&optional _search-type)
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"Return name of a buffer used for displaying information.
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The name is defined by `guix-ENTRY-TYPE-BUFFER-TYPE-buffer-name'
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variable."
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(symbol-value
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(guix-get-symbol "buffer-name" buffer-type entry-type)))
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(defun guix-buffer-name-default (profile buffer-type entry-type
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&optional _search-type)
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"Return name of a buffer used for displaying information.
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The name is almost the same as the one defined by
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`guix-buffer-name-simple' except the PROFILE name is added to it."
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(let ((simple-name (guix-buffer-name-simple
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profile buffer-type entry-type))
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(profile-name (file-name-base (directory-file-name profile)))
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(re (rx string-start
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(group (? "*"))
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(group (*? any))
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(group (? "*"))
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string-end)))
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(or (string-match re simple-name)
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(error "Unexpected error in defining guix buffer name"))
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(let ((first* (match-string 1 simple-name))
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(name-body (match-string 2 simple-name))
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(last* (match-string 3 simple-name)))
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;; Handle the case when buffer name is wrapped by '*'.
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(if (and (string= "*" first*)
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(string= "*" last*))
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(concat "*" name-body ": " profile-name "*")
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(concat simple-name ": " profile-name)))))
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(defun guix-buffer-name (profile buffer-type entry-type search-type)
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"Return name of a buffer used for displaying information.
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See `guix-buffer-name-function' for details."
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(let ((fun (if (functionp guix-buffer-name-function)
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guix-buffer-name-function
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#'guix-buffer-name-default)))
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(funcall fun profile buffer-type entry-type search-type)))
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(defun guix-switch-to-buffer (buffer)
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"Switch to a 'list' or 'info' BUFFER."
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(pop-to-buffer buffer
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'((display-buffer-reuse-window
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display-buffer-same-window))))
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(defun guix-buffer-p (&optional buffer modes)
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"Return non-nil if BUFFER mode is derived from any of the MODES.
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If BUFFER is nil, check current buffer.
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If MODES is nil, use `guix-list-mode' and `guix-info-mode'."
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(with-current-buffer (or buffer (current-buffer))
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(apply #'derived-mode-p
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(or modes
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'(guix-list-mode guix-info-mode)))))
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(defun guix-buffers (&optional modes)
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"Return list of all buffers with major modes derived from MODES.
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If MODES is nil, return list of all Guix 'list' and 'info' buffers."
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(cl-remove-if-not (lambda (buf)
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(guix-buffer-p buf modes))
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(buffer-list)))
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(defun guix-update-buffer (buffer)
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"Update information in a 'list' or 'info' BUFFER."
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(with-current-buffer buffer
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(guix-revert-buffer nil t)))
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(defun guix-update-buffers-maybe-after-operation ()
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"Update buffers after Guix operation if needed.
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See `guix-update-after-operation' for details."
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(let ((to-update
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(and guix-operation-buffer
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(cl-case guix-update-after-operation
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(current (and (buffer-live-p guix-operation-buffer)
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(guix-buffer-p guix-operation-buffer)
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(list guix-operation-buffer)))
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(all (guix-buffers))))))
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(setq guix-operation-buffer nil)
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(mapc #'guix-update-buffer to-update)))
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(add-hook 'guix-after-repl-operation-hook
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'guix-update-buffers-maybe-after-operation)
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;;; Common definitions for buffer types
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(defvar guix-root-map
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(let ((map (make-sparse-keymap)))
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(define-key map (kbd "l") 'guix-history-back)
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(define-key map (kbd "r") 'guix-history-forward)
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(define-key map (kbd "g") 'revert-buffer)
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(define-key map (kbd "R") 'guix-redisplay-buffer)
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(define-key map (kbd "M") 'guix-apply-manifest)
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(define-key map (kbd "C-c C-z") 'guix-switch-to-repl)
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map)
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"Parent keymap for all guix modes.")
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(defvar-local guix-profile nil
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"Profile used for the current buffer.")
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(put 'guix-profile 'permanent-local t)
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(defvar-local guix-entries nil
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"List of the currently displayed entries.
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Each element of the list is alist with entry info of the
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following form:
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((PARAM . VAL) ...)
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PARAM is a name of the entry parameter.
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VAL is a value of this parameter.")
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(put 'guix-entries 'permanent-local t)
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(defvar-local guix-buffer-type nil
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"Type of the current buffer.")
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(put 'guix-buffer-type 'permanent-local t)
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(defvar-local guix-entry-type nil
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"Type of the current entry.")
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(put 'guix-entry-type 'permanent-local t)
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(defvar-local guix-search-type nil
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"Type of the current search.")
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(put 'guix-search-type 'permanent-local t)
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(defvar-local guix-search-vals nil
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"Values of the current search.")
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(put 'guix-search-vals 'permanent-local t)
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(defsubst guix-set-vars (profile entries buffer-type entry-type
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search-type search-vals)
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"Set local variables for the current Guix buffer."
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(setq default-directory profile
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guix-profile profile
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guix-entries entries
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guix-buffer-type buffer-type
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guix-entry-type entry-type
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guix-search-type search-type
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guix-search-vals search-vals))
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(defun guix-get-symbol (postfix buffer-type &optional entry-type)
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(intern (concat "guix-"
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(when entry-type
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(concat (symbol-name entry-type) "-"))
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(symbol-name buffer-type) "-" postfix)))
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(defmacro guix-define-buffer-type (buf-type entry-type &rest args)
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"Define common for BUF-TYPE buffers for displaying ENTRY-TYPE entries.
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In the text below TYPE means ENTRY-TYPE-BUF-TYPE.
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This macro defines `guix-TYPE-mode', a custom group and several
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user variables.
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The following stuff should be defined outside this macro:
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- `guix-BUF-TYPE-mode' - parent mode for the defined mode.
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- `guix-TYPE-mode-initialize' (optional) - function for
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additional mode settings; it is called without arguments.
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Remaining argument (ARGS) should have a form [KEYWORD VALUE] ... The
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following keywords are available:
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- `:buffer-name' - default value for the defined
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`guix-TYPE-buffer-name' variable.
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- `:required' - default value for the defined
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`guix-TYPE-required-params' variable.
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- `:history-size' - default value for the defined
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`guix-TYPE-history-size' variable.
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- `:revert' - default value for the defined
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`guix-TYPE-revert-no-confirm' variable."
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(let* ((entry-type-str (symbol-name entry-type))
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(buf-type-str (symbol-name buf-type))
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(Entry-type-str (capitalize entry-type-str))
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(Buf-type-str (capitalize buf-type-str))
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(entry-str (concat entry-type-str " entries"))
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(buf-str (concat buf-type-str " buffer"))
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(prefix (concat "guix-" entry-type-str "-" buf-type-str))
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(group (intern prefix))
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(faces-group (intern (concat prefix "-faces")))
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(mode-map-str (concat prefix "-mode-map"))
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(parent-mode (intern (concat "guix-" buf-type-str "-mode")))
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(mode (intern (concat prefix "-mode")))
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(mode-init-fun (intern (concat prefix "-mode-initialize")))
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(buf-name-var (intern (concat prefix "-buffer-name")))
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(revert-var (intern (concat prefix "-revert-no-confirm")))
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(history-var (intern (concat prefix "-history-size")))
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(params-var (intern (concat prefix "-required-params"))))
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(guix-keyword-args-let args
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((params-val :required '(id))
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(history-val :history-size 20)
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(revert-val :revert)
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(buf-name-val :buffer-name
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(format "*Guix %s %s*" Entry-type-str Buf-type-str)))
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`(progn
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(defgroup ,group nil
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,(concat Buf-type-str " buffer with " entry-str ".")
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:prefix ,(concat prefix "-")
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:group ',(intern (concat "guix-" buf-type-str)))
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(defgroup ,faces-group nil
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,(concat "Faces for " buf-type-str " buffer with " entry-str ".")
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:group ',(intern (concat "guix-" buf-type-str "-faces")))
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(defcustom ,buf-name-var ,buf-name-val
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,(concat "Default name of the " buf-str " for displaying " entry-str ".")
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:type 'string
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:group ',group)
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(defcustom ,history-var ,history-val
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,(concat "Maximum number of items saved in the history of the " buf-str ".\n"
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"If 0, the history is disabled.")
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:type 'integer
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:group ',group)
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(defcustom ,revert-var ,revert-val
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,(concat "If non-nil, do not ask to confirm for reverting the " buf-str ".")
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:type 'boolean
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:group ',group)
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(defvar ,params-var ',params-val
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,(concat "List of required " entry-type-str " parameters.\n\n"
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"Displayed parameters and parameters from this list are received\n"
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"for each " entry-type-str ".\n\n"
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"May be a special value `all', in which case all supported\n"
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"parameters are received (this may be very slow for a big number\n"
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"of entries).\n\n"
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"Do not remove `id' from this list as it is required for\n"
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"identifying an entry."))
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(define-derived-mode ,mode ,parent-mode ,(concat "Guix-" Buf-type-str)
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,(concat "Major mode for displaying information about " entry-str ".\n\n"
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"\\{" mode-map-str "}")
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(setq-local revert-buffer-function 'guix-revert-buffer)
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(setq-local guix-history-size ,history-var)
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(and (fboundp ',mode-init-fun) (,mode-init-fun)))))))
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(put 'guix-define-buffer-type 'lisp-indent-function 'defun)
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;;; Getting and displaying info about packages and generations
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(defcustom guix-package-list-type 'output
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"Define how to display packages in a list buffer.
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May be a symbol `package' or `output' (if `output', display each
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output on a separate line; if `package', display each package on
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a separate line)."
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:type '(choice (const :tag "List of packages" package)
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(const :tag "List of outputs" output))
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:group 'guix)
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(defcustom guix-package-info-type 'package
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"Define how to display packages in an info buffer.
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May be a symbol `package' or `output' (if `output', display each
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output separately; if `package', display outputs inside a package
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information)."
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:type '(choice (const :tag "Display packages" package)
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(const :tag "Display outputs" output))
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:group 'guix)
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(defun guix-get-entries (profile entry-type search-type search-vals
|
||
&optional params)
|
||
"Search for entries of ENTRY-TYPE.
|
||
|
||
Call an appropriate scheme function and return a list of the
|
||
form of `guix-entries'.
|
||
|
||
ENTRY-TYPE should be one of the following symbols: `package',
|
||
`output' or `generation'.
|
||
|
||
SEARCH-TYPE may be one of the following symbols:
|
||
|
||
- If ENTRY-TYPE is `package' or `output': `id', `name', `regexp',
|
||
`all-available', `newest-available', `installed', `obsolete',
|
||
`generation'.
|
||
|
||
- If ENTRY-TYPE is `generation': `id', `last', `all', `time'.
|
||
|
||
PARAMS is a list of parameters for receiving. If nil, get
|
||
information with all available parameters."
|
||
(guix-eval-read (guix-make-guile-expression
|
||
'entries
|
||
profile params entry-type search-type search-vals)))
|
||
|
||
(defun guix-get-show-entries (profile buffer-type entry-type search-type
|
||
&rest search-vals)
|
||
"Search for ENTRY-TYPE entries and show results in BUFFER-TYPE buffer.
|
||
See `guix-get-entries' for the meaning of SEARCH-TYPE and SEARCH-VALS."
|
||
(let ((entries (guix-get-entries profile entry-type search-type search-vals
|
||
(guix-get-params-for-receiving
|
||
buffer-type entry-type))))
|
||
(guix-set-buffer profile entries buffer-type entry-type
|
||
search-type search-vals)))
|
||
|
||
(defun guix-set-buffer (profile entries buffer-type entry-type search-type
|
||
search-vals &optional history-replace no-display)
|
||
"Set up BUFFER-TYPE buffer for displaying ENTRY-TYPE ENTRIES.
|
||
|
||
Insert ENTRIES in buffer, set variables and make history item.
|
||
ENTRIES should have a form of `guix-entries'.
|
||
|
||
See `guix-get-entries' for the meaning of SEARCH-TYPE and SEARCH-VALS.
|
||
|
||
If HISTORY-REPLACE is non-nil, replace current history item,
|
||
otherwise add the new one.
|
||
|
||
If NO-DISPLAY is non-nil, do not switch to the buffer."
|
||
(when entries
|
||
(let ((buf (if (and (eq major-mode
|
||
(guix-get-symbol "mode" buffer-type entry-type))
|
||
(equal guix-profile profile))
|
||
(current-buffer)
|
||
(get-buffer-create
|
||
(guix-buffer-name profile buffer-type
|
||
entry-type search-type)))))
|
||
(with-current-buffer buf
|
||
(guix-show-entries entries buffer-type entry-type)
|
||
(guix-set-vars profile entries buffer-type entry-type
|
||
search-type search-vals)
|
||
(funcall (if history-replace
|
||
#'guix-history-replace
|
||
#'guix-history-add)
|
||
(guix-make-history-item)))
|
||
(or no-display
|
||
(guix-switch-to-buffer buf))))
|
||
(guix-result-message profile entries entry-type
|
||
search-type search-vals))
|
||
|
||
(defun guix-show-entries (entries buffer-type entry-type)
|
||
"Display ENTRY-TYPE ENTRIES in the current BUFFER-TYPE buffer."
|
||
(let ((inhibit-read-only t))
|
||
(erase-buffer)
|
||
(funcall (symbol-function (guix-get-symbol
|
||
"mode" buffer-type entry-type)))
|
||
(funcall (guix-get-symbol "insert-entries" buffer-type)
|
||
entries entry-type)
|
||
(goto-char (point-min))))
|
||
|
||
(defun guix-history-call (profile entries buffer-type entry-type
|
||
search-type search-vals)
|
||
"Function called for moving by history."
|
||
(guix-show-entries entries buffer-type entry-type)
|
||
(guix-set-vars profile entries buffer-type entry-type
|
||
search-type search-vals)
|
||
(guix-result-message profile entries entry-type
|
||
search-type search-vals))
|
||
|
||
(defun guix-make-history-item ()
|
||
"Make and return a history item for the current buffer."
|
||
(list #'guix-history-call
|
||
guix-profile guix-entries guix-buffer-type guix-entry-type
|
||
guix-search-type guix-search-vals))
|
||
|
||
(defun guix-get-params-for-receiving (buffer-type entry-type)
|
||
"Return parameters that should be received for BUFFER-TYPE, ENTRY-TYPE."
|
||
(let* ((required-var (guix-get-symbol "required-params"
|
||
buffer-type entry-type))
|
||
(required (symbol-value required-var)))
|
||
(unless (equal required 'all)
|
||
(cl-union required
|
||
(funcall (guix-get-symbol "displayed-params"
|
||
buffer-type)
|
||
entry-type)))))
|
||
|
||
(defun guix-revert-buffer (_ignore-auto noconfirm)
|
||
"Update information in the current buffer.
|
||
The function is suitable for `revert-buffer-function'.
|
||
See `revert-buffer' for the meaning of NOCONFIRM."
|
||
(when (or noconfirm
|
||
(symbol-value
|
||
(guix-get-symbol "revert-no-confirm"
|
||
guix-buffer-type guix-entry-type))
|
||
(y-or-n-p "Update current information? "))
|
||
(let* ((search-type guix-search-type)
|
||
(search-vals guix-search-vals)
|
||
(params (guix-get-params-for-receiving guix-buffer-type
|
||
guix-entry-type))
|
||
(entries (guix-get-entries
|
||
guix-profile guix-entry-type
|
||
guix-search-type guix-search-vals params))
|
||
;; If a REPL was restarted, package/output IDs are not actual
|
||
;; anymore, because 'object-address'-es died with the REPL, so if a
|
||
;; search by ID didn't give results, search again by name.
|
||
(entries (if (and (null entries)
|
||
(eq guix-search-type 'id)
|
||
(or (eq guix-entry-type 'package)
|
||
(eq guix-entry-type 'output)))
|
||
(progn
|
||
(setq search-type 'name
|
||
search-vals
|
||
(guix-package-entries->name-specifications
|
||
guix-entries))
|
||
(guix-get-entries
|
||
guix-profile guix-entry-type
|
||
search-type search-vals params))
|
||
entries)))
|
||
(guix-set-buffer guix-profile entries guix-buffer-type guix-entry-type
|
||
search-type search-vals t t))))
|
||
|
||
(cl-defun guix-redisplay-buffer (&key buffer profile entries buffer-type
|
||
entry-type search-type search-vals)
|
||
"Redisplay a Guix BUFFER.
|
||
Restore the point and window positions after redisplaying if possible.
|
||
|
||
This function will not update the information, use
|
||
\"\\[revert-buffer]\" if you want the full update.
|
||
|
||
If BUFFER is nil, use the current buffer. For the meaning of the
|
||
rest arguments, see `guix-set-buffer'."
|
||
(interactive)
|
||
(or buffer (setq buffer (current-buffer)))
|
||
(with-current-buffer buffer
|
||
(or (derived-mode-p 'guix-info-mode 'guix-list-mode)
|
||
(error "%S is not a Guix buffer" buffer))
|
||
(let* ((point (point))
|
||
(was-at-button (button-at point))
|
||
;; For simplicity, ignore an unlikely case when multiple
|
||
;; windows display the same BUFFER.
|
||
(window (car (get-buffer-window-list buffer nil t)))
|
||
(window-start (and window (window-start window))))
|
||
(guix-set-buffer (or profile guix-profile)
|
||
(or entries guix-entries)
|
||
(or buffer-type guix-buffer-type)
|
||
(or entry-type guix-entry-type)
|
||
(or search-type guix-search-type)
|
||
(or search-vals guix-search-vals)
|
||
t t)
|
||
(goto-char point)
|
||
(and was-at-button
|
||
(not (button-at (point)))
|
||
(forward-button 1))
|
||
(when window
|
||
(set-window-point window (point))
|
||
(set-window-start window window-start)))))
|
||
|
||
|
||
;;; Generations
|
||
|
||
(defcustom guix-generation-packages-buffer-name-function
|
||
#'guix-generation-packages-buffer-name-default
|
||
"Function used to define name of a buffer with generation packages.
|
||
This function is called with 2 arguments: PROFILE (string) and
|
||
GENERATION (number)."
|
||
:type '(choice (function-item guix-generation-packages-buffer-name-default)
|
||
(function-item guix-generation-packages-buffer-name-long)
|
||
(function :tag "Other function"))
|
||
:group 'guix)
|
||
|
||
(defcustom guix-generation-packages-update-buffer t
|
||
"If non-nil, always update list of packages during comparing generations.
|
||
If nil, generation packages are received only once. So when you
|
||
compare generation 1 and generation 2, the packages for both
|
||
generations will be received. Then if you compare generation 1
|
||
and generation 3, only the packages for generation 3 will be
|
||
received. Thus if you use comparing of different generations a
|
||
lot, you may set this variable to nil to improve the
|
||
performance."
|
||
:type 'boolean
|
||
:group 'guix)
|
||
|
||
(defvar guix-output-name-width 30
|
||
"Width of an output name \"column\".
|
||
This variable is used in auxiliary buffers for comparing generations.")
|
||
|
||
(defun guix-generation-file (profile generation)
|
||
"Return the file name of a PROFILE's GENERATION."
|
||
(format "%s-%s-link" profile generation))
|
||
|
||
(defun guix-manifest-file (profile &optional generation)
|
||
"Return the file name of a PROFILE's manifest.
|
||
If GENERATION number is specified, return manifest file name for
|
||
this generation."
|
||
(expand-file-name "manifest"
|
||
(if generation
|
||
(guix-generation-file profile generation)
|
||
profile)))
|
||
|
||
(defun guix-generation-packages (profile generation)
|
||
"Return a list of sorted packages installed in PROFILE's GENERATION.
|
||
Each element of the list is a list of the package specification and its path."
|
||
(let ((names+paths (guix-eval-read
|
||
(guix-make-guile-expression
|
||
'generation-package-specifications+paths
|
||
profile generation))))
|
||
(sort names+paths
|
||
(lambda (a b)
|
||
(string< (car a) (car b))))))
|
||
|
||
(defun guix-generation-packages-buffer-name-default (profile generation)
|
||
"Return name of a buffer for displaying GENERATION's package outputs.
|
||
Use base name of PROFILE path."
|
||
(let ((profile-name (file-name-base (directory-file-name profile))))
|
||
(format "*Guix %s: generation %s*"
|
||
profile-name generation)))
|
||
|
||
(defun guix-generation-packages-buffer-name-long (profile generation)
|
||
"Return name of a buffer for displaying GENERATION's package outputs.
|
||
Use the full PROFILE path."
|
||
(format "*Guix generation %s (%s)*"
|
||
generation profile))
|
||
|
||
(defun guix-generation-packages-buffer-name (profile generation)
|
||
"Return name of a buffer for displaying GENERATION's package outputs."
|
||
(let ((fun (if (functionp guix-generation-packages-buffer-name-function)
|
||
guix-generation-packages-buffer-name-function
|
||
#'guix-generation-packages-buffer-name-default)))
|
||
(funcall fun profile generation)))
|
||
|
||
(defun guix-generation-insert-package (name path)
|
||
"Insert package output NAME and PATH at point."
|
||
(insert name)
|
||
(indent-to guix-output-name-width 2)
|
||
(insert path "\n"))
|
||
|
||
(defun guix-generation-insert-packages (buffer profile generation)
|
||
"Insert package outputs installed in PROFILE's GENERATION in BUFFER."
|
||
(with-current-buffer buffer
|
||
(setq buffer-read-only nil
|
||
indent-tabs-mode nil)
|
||
(erase-buffer)
|
||
(mapc (lambda (name+path)
|
||
(guix-generation-insert-package
|
||
(car name+path) (cadr name+path)))
|
||
(guix-generation-packages profile generation))))
|
||
|
||
(defun guix-generation-packages-buffer (profile generation)
|
||
"Return buffer with package outputs installed in PROFILE's GENERATION.
|
||
Create the buffer if needed."
|
||
(let ((buf-name (guix-generation-packages-buffer-name
|
||
profile generation)))
|
||
(or (and (null guix-generation-packages-update-buffer)
|
||
(get-buffer buf-name))
|
||
(let ((buf (get-buffer-create buf-name)))
|
||
(guix-generation-insert-packages buf profile generation)
|
||
buf))))
|
||
|
||
(defun guix-profile-generation-manifest-file (generation)
|
||
"Return the file name of a GENERATION's manifest.
|
||
GENERATION is a generation number of `guix-profile' profile."
|
||
(guix-manifest-file guix-profile generation))
|
||
|
||
(defun guix-profile-generation-packages-buffer (generation)
|
||
"Insert GENERATION's package outputs in a buffer and return it.
|
||
GENERATION is a generation number of `guix-profile' profile."
|
||
(guix-generation-packages-buffer guix-profile generation))
|
||
|
||
|
||
;;; Actions on packages and generations
|
||
|
||
(defface guix-operation-option-key
|
||
'((t :inherit font-lock-warning-face))
|
||
"Face used for the keys of operation options."
|
||
:group 'guix-faces)
|
||
|
||
(defcustom guix-operation-confirm t
|
||
"If nil, do not prompt to confirm an operation."
|
||
:type 'boolean
|
||
:group 'guix)
|
||
|
||
(defcustom guix-use-substitutes t
|
||
"If non-nil, use substitutes for the Guix packages."
|
||
:type 'boolean
|
||
:group 'guix)
|
||
|
||
(defvar guix-dry-run nil
|
||
"If non-nil, do not perform the real actions, just simulate.")
|
||
|
||
(defvar guix-temp-buffer-name " *Guix temp*"
|
||
"Name of a buffer used for displaying info before executing operation.")
|
||
|
||
(defvar guix-operation-option-true-string "yes"
|
||
"String displayed in the mode-line when operation option is t.")
|
||
|
||
(defvar guix-operation-option-false-string "no "
|
||
"String displayed in the mode-line when operation option is nil.")
|
||
|
||
(defvar guix-operation-option-separator " | "
|
||
"String used in the mode-line to separate operation options.")
|
||
|
||
(defvar guix-operation-options
|
||
'((?s "substitutes" guix-use-substitutes)
|
||
(?d "dry-run" guix-dry-run))
|
||
"List of available operation options.
|
||
Each element of the list has a form:
|
||
|
||
(KEY NAME VARIABLE)
|
||
|
||
KEY is a character that may be pressed during confirmation to
|
||
toggle the option.
|
||
NAME is a string displayed in the mode-line.
|
||
VARIABLE is a name of an option variable.")
|
||
|
||
(defun guix-operation-option-by-key (key)
|
||
"Return operation option by KEY (character)."
|
||
(assq key guix-operation-options))
|
||
|
||
(defun guix-operation-option-key (option)
|
||
"Return key (character) of the operation OPTION."
|
||
(car option))
|
||
|
||
(defun guix-operation-option-name (option)
|
||
"Return name of the operation OPTION."
|
||
(nth 1 option))
|
||
|
||
(defun guix-operation-option-variable (option)
|
||
"Return name of the variable of the operation OPTION."
|
||
(nth 2 option))
|
||
|
||
(defun guix-operation-option-value (option)
|
||
"Return boolean value of the operation OPTION."
|
||
(symbol-value (guix-operation-option-variable option)))
|
||
|
||
(defun guix-operation-option-string-value (option)
|
||
"Convert boolean value of the operation OPTION to string and return it."
|
||
(if (guix-operation-option-value option)
|
||
guix-operation-option-true-string
|
||
guix-operation-option-false-string))
|
||
|
||
(defun guix-process-package-actions (profile actions
|
||
&optional operation-buffer)
|
||
"Process package ACTIONS on PROFILE.
|
||
Each action is a list of the form:
|
||
|
||
(ACTION-TYPE PACKAGE-SPEC ...)
|
||
|
||
ACTION-TYPE is one of the following symbols: `install',
|
||
`upgrade', `remove'/`delete'.
|
||
PACKAGE-SPEC should have the following form: (ID [OUTPUT] ...)."
|
||
(let (install upgrade remove)
|
||
(mapc (lambda (action)
|
||
(let ((action-type (car action))
|
||
(specs (cdr action)))
|
||
(cl-case action-type
|
||
(install (setq install (append install specs)))
|
||
(upgrade (setq upgrade (append upgrade specs)))
|
||
((remove delete) (setq remove (append remove specs))))))
|
||
actions)
|
||
(when (guix-continue-package-operation-p
|
||
profile
|
||
:install install :upgrade upgrade :remove remove)
|
||
(guix-eval-in-repl
|
||
(guix-make-guile-expression
|
||
'process-package-actions profile
|
||
:install install :upgrade upgrade :remove remove
|
||
:use-substitutes? (or guix-use-substitutes 'f)
|
||
:dry-run? (or guix-dry-run 'f))
|
||
(and (not guix-dry-run) operation-buffer)))))
|
||
|
||
(cl-defun guix-continue-package-operation-p (profile
|
||
&key install upgrade remove)
|
||
"Return non-nil if a package operation should be continued.
|
||
Ask a user if needed (see `guix-operation-confirm').
|
||
INSTALL, UPGRADE, REMOVE are 'package action specifications'.
|
||
See `guix-process-package-actions' for details."
|
||
(or (null guix-operation-confirm)
|
||
(let* ((entries (guix-get-entries
|
||
profile 'package 'id
|
||
(append (mapcar #'car install)
|
||
(mapcar #'car upgrade)
|
||
(mapcar #'car remove))
|
||
'(id name version location)))
|
||
(install-strings (guix-get-package-strings install entries))
|
||
(upgrade-strings (guix-get-package-strings upgrade entries))
|
||
(remove-strings (guix-get-package-strings remove entries)))
|
||
(if (or install-strings upgrade-strings remove-strings)
|
||
(let ((buf (get-buffer-create guix-temp-buffer-name)))
|
||
(with-current-buffer buf
|
||
(setq-local cursor-type nil)
|
||
(setq buffer-read-only nil)
|
||
(erase-buffer)
|
||
(insert "Profile: " profile "\n\n")
|
||
(guix-insert-package-strings install-strings "install")
|
||
(guix-insert-package-strings upgrade-strings "upgrade")
|
||
(guix-insert-package-strings remove-strings "remove")
|
||
(let ((win (temp-buffer-window-show
|
||
buf
|
||
'((display-buffer-reuse-window
|
||
display-buffer-at-bottom)
|
||
(window-height . fit-window-to-buffer)))))
|
||
(prog1 (guix-operation-prompt)
|
||
(quit-window nil win)))))
|
||
(message "Nothing to be done. If the REPL was restarted, information is not up-to-date.")
|
||
nil))))
|
||
|
||
(defun guix-get-package-strings (specs entries)
|
||
"Return short package descriptions for performing package actions.
|
||
See `guix-process-package-actions' for the meaning of SPECS.
|
||
ENTRIES is a list of package entries to get info about packages."
|
||
(delq nil
|
||
(mapcar
|
||
(lambda (spec)
|
||
(let* ((id (car spec))
|
||
(outputs (cdr spec))
|
||
(entry (guix-entry-by-id id entries)))
|
||
(when entry
|
||
(let ((location (guix-entry-value entry 'location)))
|
||
(concat (guix-package-entry->name-specification entry)
|
||
(when outputs
|
||
(concat ":"
|
||
(guix-concat-strings outputs ",")))
|
||
(when location
|
||
(concat "\t(" location ")")))))))
|
||
specs)))
|
||
|
||
(defun guix-insert-package-strings (strings action)
|
||
"Insert information STRINGS at point for performing package ACTION."
|
||
(when strings
|
||
(insert "Package(s) to " (propertize action 'face 'bold) ":\n")
|
||
(mapc (lambda (str)
|
||
(insert " " str "\n"))
|
||
strings)
|
||
(insert "\n")))
|
||
|
||
(defun guix-operation-prompt (&optional prompt)
|
||
"Prompt a user for continuing the current operation.
|
||
Return non-nil, if the operation should be continued; nil otherwise.
|
||
Ask a user with PROMPT for continuing an operation."
|
||
(let* ((option-keys (mapcar #'guix-operation-option-key
|
||
guix-operation-options))
|
||
(keys (append '(?y ?n) option-keys))
|
||
(prompt (concat (propertize (or prompt "Continue operation?")
|
||
'face 'minibuffer-prompt)
|
||
" ("
|
||
(mapconcat
|
||
(lambda (key)
|
||
(propertize (string key)
|
||
'face 'guix-operation-option-key))
|
||
keys
|
||
", ")
|
||
") ")))
|
||
(let ((mode-line mode-line-format))
|
||
(prog1 (guix-operation-prompt-1 prompt keys)
|
||
(setq mode-line-format mode-line)
|
||
;; Clear the minibuffer after prompting.
|
||
(message "")))))
|
||
|
||
(defun guix-operation-prompt-1 (prompt keys)
|
||
"This function is internal for `guix-operation-prompt'."
|
||
(guix-operation-set-mode-line)
|
||
(let ((key (read-char-choice prompt (cons ?\C-g keys) t)))
|
||
(cl-case key
|
||
(?y t)
|
||
((?n ?\C-g) nil)
|
||
(t (let* ((option (guix-operation-option-by-key key))
|
||
(var (guix-operation-option-variable option)))
|
||
(set var (not (symbol-value var)))
|
||
(guix-operation-prompt-1 prompt keys))))))
|
||
|
||
(defun guix-operation-set-mode-line ()
|
||
"Display operation options in the mode-line of the current buffer."
|
||
(setq mode-line-format
|
||
(concat (propertize " Options: "
|
||
'face 'mode-line-buffer-id)
|
||
(mapconcat
|
||
(lambda (option)
|
||
(let ((key (guix-operation-option-key option))
|
||
(name (guix-operation-option-name option))
|
||
(val (guix-operation-option-string-value option)))
|
||
(concat name
|
||
" ("
|
||
(propertize (string key)
|
||
'face 'guix-operation-option-key)
|
||
"): " val)))
|
||
guix-operation-options
|
||
guix-operation-option-separator)))
|
||
(force-mode-line-update))
|
||
|
||
(defun guix-delete-generations (profile generations
|
||
&optional operation-buffer)
|
||
"Delete GENERATIONS from PROFILE.
|
||
Each element from GENERATIONS is a generation number."
|
||
(when (or (not guix-operation-confirm)
|
||
(y-or-n-p
|
||
(let ((count (length generations)))
|
||
(if (> count 1)
|
||
(format "Delete %d generations from profile '%s'? "
|
||
count profile)
|
||
(format "Delete generation %d from profile '%s'? "
|
||
(car generations) profile)))))
|
||
(guix-eval-in-repl
|
||
(guix-make-guile-expression
|
||
'delete-generations* profile generations)
|
||
operation-buffer)))
|
||
|
||
(defun guix-switch-to-generation (profile generation
|
||
&optional operation-buffer)
|
||
"Switch PROFILE to GENERATION."
|
||
(when (or (not guix-operation-confirm)
|
||
(y-or-n-p (format "Switch profile '%s' to generation %d? "
|
||
profile generation)))
|
||
(guix-eval-in-repl
|
||
(guix-make-guile-expression
|
||
'switch-to-generation* profile generation)
|
||
operation-buffer)))
|
||
|
||
(defun guix-package-source-path (package-id)
|
||
"Return a store file path to a source of a package PACKAGE-ID."
|
||
(message "Calculating the source derivation ...")
|
||
(guix-eval-read
|
||
(guix-make-guile-expression
|
||
'package-source-path package-id)))
|
||
|
||
(defvar guix-after-source-download-hook nil
|
||
"Hook run after successful performing a 'source-download' operation.")
|
||
|
||
(defun guix-package-source-build-derivation (package-id &optional prompt)
|
||
"Build source derivation of a package PACKAGE-ID.
|
||
Ask a user with PROMPT for continuing an operation."
|
||
(when (or (not guix-operation-confirm)
|
||
(guix-operation-prompt (or prompt
|
||
"Build the source derivation?")))
|
||
(guix-eval-in-repl
|
||
(guix-make-guile-expression
|
||
'package-source-build-derivation
|
||
package-id
|
||
:use-substitutes? (or guix-use-substitutes 'f)
|
||
:dry-run? (or guix-dry-run 'f))
|
||
nil 'source-download)))
|
||
|
||
;;;###autoload
|
||
(defun guix-apply-manifest (profile file &optional operation-buffer)
|
||
"Apply manifest from FILE to PROFILE.
|
||
This function has the same meaning as 'guix package --manifest' command.
|
||
See Info node `(guix) Invoking guix package' for details.
|
||
|
||
Interactively, use the current profile and prompt for manifest
|
||
FILE. With a prefix argument, also prompt for PROFILE."
|
||
(interactive
|
||
(let* ((default-profile (or guix-profile guix-current-profile))
|
||
(profile (if current-prefix-arg
|
||
(guix-profile-prompt)
|
||
default-profile))
|
||
(file (read-file-name "File with manifest: "))
|
||
(buffer (and guix-profile (current-buffer))))
|
||
(list profile file buffer)))
|
||
(when (or (not guix-operation-confirm)
|
||
(y-or-n-p (format "Apply manifest from '%s' to profile '%s'? "
|
||
file profile)))
|
||
(guix-eval-in-repl
|
||
(guix-make-guile-expression
|
||
'guix-command
|
||
"package"
|
||
(concat "--profile=" (expand-file-name profile))
|
||
(concat "--manifest=" (expand-file-name file)))
|
||
operation-buffer)))
|
||
|
||
|
||
;;; Executing guix commands
|
||
|
||
(defcustom guix-run-in-shell-function #'guix-run-in-shell
|
||
"Function used to run guix command.
|
||
The function is called with a single argument - a command line string."
|
||
:type '(choice (function-item guix-run-in-shell)
|
||
(function-item guix-run-in-eshell)
|
||
(function :tag "Other function"))
|
||
:group 'guix)
|
||
|
||
(defcustom guix-shell-buffer-name "*shell*"
|
||
"Default name of a shell buffer used for running guix commands."
|
||
:type 'string
|
||
:group 'guix)
|
||
|
||
(declare-function comint-send-input "comint" t)
|
||
|
||
(defun guix-run-in-shell (string)
|
||
"Run command line STRING in `guix-shell-buffer-name' buffer."
|
||
(shell guix-shell-buffer-name)
|
||
(goto-char (point-max))
|
||
(insert string)
|
||
(comint-send-input))
|
||
|
||
(declare-function eshell-send-input "esh-mode" t)
|
||
|
||
(defun guix-run-in-eshell (string)
|
||
"Run command line STRING in eshell buffer."
|
||
(eshell)
|
||
(goto-char (point-max))
|
||
(insert string)
|
||
(eshell-send-input))
|
||
|
||
(defun guix-run-command-in-shell (args)
|
||
"Execute 'guix ARGS ...' command in a shell buffer."
|
||
(funcall guix-run-in-shell-function
|
||
(guix-command-string args)))
|
||
|
||
(defun guix-run-command-in-repl (args)
|
||
"Execute 'guix ARGS ...' command in Guix REPL."
|
||
(guix-eval-in-repl
|
||
(apply #'guix-make-guile-expression
|
||
'guix-command args)))
|
||
|
||
(defun guix-command-output (args)
|
||
"Return string with 'guix ARGS ...' output."
|
||
(cl-multiple-value-bind (output error)
|
||
(guix-eval (apply #'guix-make-guile-expression
|
||
'guix-command-output args))
|
||
;; Remove trailing new space from the error string.
|
||
(message (replace-regexp-in-string "\n\\'" "" (read error)))
|
||
(read output)))
|
||
|
||
(defun guix-help-string (&optional commands)
|
||
"Return string with 'guix COMMANDS ... --help' output."
|
||
(guix-eval-read
|
||
(apply #'guix-make-guile-expression
|
||
'help-string commands)))
|
||
|
||
|
||
;;; Pull
|
||
|
||
(defcustom guix-update-after-pull t
|
||
"If non-nil, update Guix buffers after performing \\[guix-pull]."
|
||
:type 'boolean
|
||
:group 'guix)
|
||
|
||
(defvar guix-after-pull-hook
|
||
'(guix-restart-repl-after-pull guix-update-buffers-maybe-after-pull)
|
||
"Hook run after successful performing `guix-pull' operation.")
|
||
|
||
(defun guix-restart-repl-after-pull ()
|
||
"Restart Guix REPL after `guix-pull' operation."
|
||
(guix-repl-exit)
|
||
(guix-start-process-maybe
|
||
"Restarting Guix REPL after pull operation ..."))
|
||
|
||
(defun guix-update-buffers-maybe-after-pull ()
|
||
"Update buffers depending on `guix-update-after-pull'."
|
||
(when guix-update-after-pull
|
||
(mapc #'guix-update-buffer
|
||
;; No need to update "generation" buffers.
|
||
(guix-buffers '(guix-package-list-mode
|
||
guix-package-info-mode
|
||
guix-output-list-mode
|
||
guix-output-info-mode)))
|
||
(message "Guix buffers have been updated.")))
|
||
|
||
;;;###autoload
|
||
(defun guix-pull (&optional verbose)
|
||
"Run Guix pull operation.
|
||
If VERBOSE is non-nil (with prefix argument), produce verbose output."
|
||
(interactive "P")
|
||
(let ((args (and verbose '("--verbose"))))
|
||
(guix-eval-in-repl
|
||
(apply #'guix-make-guile-expression
|
||
'guix-command "pull" args)
|
||
nil 'pull)))
|
||
|
||
(provide 'guix-base)
|
||
|
||
;;; guix-base.el ends here
|