b497a85be8
* emacs/guix-base.el (guix-operation-option-key): New face. (guix-operation-option-true-string, guix-operation-option-false-string, guix-operation-option-separator, guix-operation-options): New variables. (guix-operation-option-by-key, guix-operation-option-key, guix-operation-option-name, guix-operation-option-variable, guix-operation-option-value, guix-operation-option-string-value, guix-operation-prompt, guix-operation-set-mode-line): New procedures. (guix-continue-package-operation-p): Use 'guix-operation-prompt'.
807 lines
30 KiB
EmacsLisp
807 lines
30 KiB
EmacsLisp
;;; guix-base.el --- Common definitions -*- lexical-binding: t -*-
|
||
|
||
;; Copyright © 2014 Alex Kost <alezost@gmail.com>
|
||
|
||
;; This file is part of GNU Guix.
|
||
|
||
;; GNU Guix is free software; you can redistribute it and/or modify
|
||
;; it under the terms of the GNU General Public License as published by
|
||
;; the Free Software Foundation, either version 3 of the License, or
|
||
;; (at your option) any later version.
|
||
|
||
;; GNU Guix is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; GNU General Public License for more details.
|
||
|
||
;; You should have received a copy of the GNU General Public License
|
||
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
;;; Commentary:
|
||
|
||
;; This file provides some base and common definitions for guix.el
|
||
;; package.
|
||
|
||
;; List and info buffers have many common patterns that are defined
|
||
;; using `guix-define-buffer-type' macro from this file.
|
||
|
||
;;; Code:
|
||
|
||
(require 'cl-lib)
|
||
(require 'guix-backend)
|
||
(require 'guix-utils)
|
||
|
||
|
||
;;; Profiles
|
||
|
||
(defvar guix-user-profile
|
||
(expand-file-name "~/.guix-profile")
|
||
"User profile.")
|
||
|
||
(defvar guix-default-profile
|
||
(concat (or (getenv "NIX_STATE_DIR") "/var/guix")
|
||
"/profiles/per-user/"
|
||
(getenv "USER")
|
||
"/guix-profile")
|
||
"Default Guix profile.")
|
||
|
||
(defvar guix-current-profile guix-default-profile
|
||
"Current profile.")
|
||
|
||
(defun guix-set-current-profile (path)
|
||
"Set `guix-current-profile' to PATH.
|
||
Interactively, prompt for PATH. With prefix, use
|
||
`guix-default-profile'."
|
||
(interactive
|
||
(list (if current-prefix-arg
|
||
guix-default-profile
|
||
(read-file-name "Set profile: "
|
||
(file-name-directory guix-current-profile)))))
|
||
(let ((path (directory-file-name (expand-file-name path))))
|
||
(setq guix-current-profile
|
||
(if (string= path guix-user-profile)
|
||
guix-default-profile
|
||
path))
|
||
(message "Current profile has been set to '%s'."
|
||
guix-current-profile)))
|
||
|
||
|
||
;;; Parameters of the entries
|
||
|
||
(defvar guix-param-titles
|
||
'((package
|
||
(id . "ID")
|
||
(name . "Name")
|
||
(version . "Version")
|
||
(license . "License")
|
||
(synopsis . "Synopsis")
|
||
(description . "Description")
|
||
(home-url . "Home page")
|
||
(outputs . "Outputs")
|
||
(inputs . "Inputs")
|
||
(native-inputs . "Native inputs")
|
||
(propagated-inputs . "Propagated inputs")
|
||
(location . "Location")
|
||
(installed . "Installed"))
|
||
(installed
|
||
(path . "Installed path")
|
||
(dependencies . "Dependencies")
|
||
(output . "Output"))
|
||
(output
|
||
(id . "ID")
|
||
(name . "Name")
|
||
(version . "Version")
|
||
(license . "License")
|
||
(synopsis . "Synopsis")
|
||
(description . "Description")
|
||
(home-url . "Home page")
|
||
(output . "Output")
|
||
(inputs . "Inputs")
|
||
(native-inputs . "Native inputs")
|
||
(propagated-inputs . "Propagated inputs")
|
||
(location . "Location")
|
||
(installed . "Installed")
|
||
(path . "Installed path")
|
||
(dependencies . "Dependencies"))
|
||
(generation
|
||
(id . "ID")
|
||
(number . "Number")
|
||
(prev-number . "Previous number")
|
||
(path . "Path")
|
||
(time . "Time")))
|
||
"List for defining titles of entry parameters.
|
||
Titles are used for displaying information about entries.
|
||
Each element of the list has a form:
|
||
|
||
(ENTRY-TYPE . ((PARAM . TITLE) ...))")
|
||
|
||
(defun guix-get-param-title (entry-type param)
|
||
"Return title of an ENTRY-TYPE entry parameter PARAM."
|
||
(or (guix-get-key-val guix-param-titles
|
||
entry-type param)
|
||
(prog1 (symbol-name param)
|
||
(message "Couldn't find title for '%S %S'."
|
||
entry-type param))))
|
||
|
||
(defun guix-get-name-spec (name version &optional output)
|
||
"Return Guix package specification by its NAME, VERSION and OUTPUT."
|
||
(concat name "-" version
|
||
(when output (concat ":" output))))
|
||
|
||
(defun guix-get-full-name (entry &optional output)
|
||
"Return name specification of the package ENTRY and OUTPUT."
|
||
(guix-get-name-spec (guix-get-key-val entry 'name)
|
||
(guix-get-key-val entry 'version)
|
||
output))
|
||
|
||
(defun guix-get-installed-outputs (entry)
|
||
"Return list of installed outputs for the package ENTRY."
|
||
(mapcar (lambda (installed-entry)
|
||
(guix-get-key-val installed-entry 'output))
|
||
(guix-get-key-val entry 'installed)))
|
||
|
||
(defun guix-get-entry-by-id (id entries)
|
||
"Return entry from ENTRIES by entry ID."
|
||
(cl-find-if (lambda (entry)
|
||
(equal id (guix-get-key-val entry 'id)))
|
||
entries))
|
||
|
||
(defun guix-get-package-id-and-output-by-output-id (oid)
|
||
"Return list (PACKAGE-ID OUTPUT) by output id OID."
|
||
(cl-multiple-value-bind (pid-str output)
|
||
(split-string oid ":")
|
||
(let ((pid (string-to-number pid-str)))
|
||
(list (if (= 0 pid) pid-str pid)
|
||
output))))
|
||
|
||
|
||
;;; Location of the packages
|
||
|
||
(defvar guix-directory nil
|
||
"Default Guix directory.
|
||
If it is not set by a user, it is set after starting Guile REPL.
|
||
This directory is used to define location of the packages.")
|
||
|
||
(defun guix-set-directory ()
|
||
"Set `guix-directory' if needed."
|
||
(or guix-directory
|
||
(setq guix-directory
|
||
(guix-eval-read "%guix-dir"))))
|
||
|
||
(add-hook 'guix-after-start-repl-hook 'guix-set-directory)
|
||
|
||
(defun guix-find-location (location)
|
||
"Go to LOCATION of a package.
|
||
LOCATION is a string of the form:
|
||
|
||
\"PATH:LINE:COLUMN\"
|
||
|
||
If PATH is relative, it is considered to be relative to
|
||
`guix-directory'."
|
||
(cl-multiple-value-bind (path line col)
|
||
(split-string location ":")
|
||
(let ((file (expand-file-name path guix-directory))
|
||
(line (string-to-number line))
|
||
(col (string-to-number col)))
|
||
(find-file file)
|
||
(goto-char (point-min))
|
||
(forward-line (- line 1))
|
||
(move-to-column col)
|
||
(recenter 1))))
|
||
|
||
|
||
;;; Common definitions for buffer types
|
||
|
||
(defvar-local guix-entries nil
|
||
"List of the currently displayed entries.
|
||
Each element of the list is alist with entry info of the
|
||
following form:
|
||
|
||
((PARAM . VAL) ...)
|
||
|
||
PARAM is a name of the entry parameter.
|
||
VAL is a value of this parameter.")
|
||
(put 'guix-entries 'permanent-local t)
|
||
|
||
(defvar-local guix-buffer-type nil
|
||
"Type of the current buffer.")
|
||
(put 'guix-buffer-type 'permanent-local t)
|
||
|
||
(defvar-local guix-entry-type nil
|
||
"Type of the current entry.")
|
||
(put 'guix-entry-type 'permanent-local t)
|
||
|
||
(defvar-local guix-search-type nil
|
||
"Type of the current search.")
|
||
(put 'guix-search-type 'permanent-local t)
|
||
|
||
(defvar-local guix-search-vals nil
|
||
"Values of the current search.")
|
||
(put 'guix-search-vals 'permanent-local t)
|
||
|
||
(defsubst guix-set-vars (entries buffer-type entry-type
|
||
search-type search-vals)
|
||
(setq guix-entries entries
|
||
guix-buffer-type buffer-type
|
||
guix-entry-type entry-type
|
||
guix-search-type search-type
|
||
guix-search-vals search-vals))
|
||
|
||
(defun guix-get-symbol (postfix buffer-type &optional entry-type)
|
||
(intern (concat "guix-"
|
||
(when entry-type
|
||
(concat (symbol-name entry-type) "-"))
|
||
(symbol-name buffer-type) "-" postfix)))
|
||
|
||
(defmacro guix-define-buffer-type (buf-type entry-type &rest args)
|
||
"Define common for BUF-TYPE buffers for displaying ENTRY-TYPE entries.
|
||
|
||
In the text below TYPE means ENTRY-TYPE-BUF-TYPE.
|
||
|
||
This macro defines `guix-TYPE-mode', a custom group and several
|
||
user variables.
|
||
|
||
The following stuff should be defined outside this macro:
|
||
|
||
- `guix-BUF-TYPE-mode' - parent mode for the defined mode.
|
||
|
||
- `guix-TYPE-mode-initialize' (optional) - function for
|
||
additional mode settings; it is called without arguments.
|
||
|
||
Remaining argument (ARGS) should have a form [KEYWORD VALUE] ... The
|
||
following keywords are available:
|
||
|
||
- `:buffer-name' - default value for the defined
|
||
`guix-TYPE-buffer-name' variable.
|
||
|
||
- `:required' - default value for the defined
|
||
`guix-TYPE-required-params' variable.
|
||
|
||
- `:history-size' - default value for the defined
|
||
`guix-TYPE-history-size' variable.
|
||
|
||
- `:revert' - default value for the defined
|
||
`guix-TYPE-revert-no-confirm' variable."
|
||
(let* ((entry-type-str (symbol-name entry-type))
|
||
(buf-type-str (symbol-name buf-type))
|
||
(Entry-type-str (capitalize entry-type-str))
|
||
(Buf-type-str (capitalize buf-type-str))
|
||
(entry-str (concat entry-type-str " entries"))
|
||
(buf-str (concat buf-type-str " buffer"))
|
||
(prefix (concat "guix-" entry-type-str "-" buf-type-str))
|
||
(group (intern prefix))
|
||
(mode-map-str (concat prefix "-mode-map"))
|
||
(mode-map (intern mode-map-str))
|
||
(parent-mode (intern (concat "guix-" buf-type-str "-mode")))
|
||
(mode (intern (concat prefix "-mode")))
|
||
(mode-init-fun (intern (concat prefix "-mode-initialize")))
|
||
(buf-name-var (intern (concat prefix "-buffer-name")))
|
||
(revert-var (intern (concat prefix "-revert-no-confirm")))
|
||
(history-var (intern (concat prefix "-history-size")))
|
||
(params-var (intern (concat prefix "-required-params")))
|
||
(buf-name-val (format "*Guix %s %s*" Entry-type-str Buf-type-str))
|
||
(revert-val nil)
|
||
(history-val 20)
|
||
(params-val '(id)))
|
||
|
||
;; Process the keyword args.
|
||
(while (keywordp (car args))
|
||
(pcase (pop args)
|
||
(`:required (setq params-val (pop args)))
|
||
(`:history-size (setq history-val (pop args)))
|
||
(`:revert (setq revert-val (pop args)))
|
||
(`:buffer-name (setq buf-name-val (pop args)))
|
||
(_ (pop args))))
|
||
|
||
`(progn
|
||
(defgroup ,group nil
|
||
,(concat Buf-type-str " buffer with " entry-str ".")
|
||
:prefix ,(concat prefix "-")
|
||
:group ',(intern (concat "guix-" buf-type-str)))
|
||
|
||
(defcustom ,buf-name-var ,buf-name-val
|
||
,(concat "Default name of the " buf-str " for displaying " entry-str ".")
|
||
:type 'string
|
||
:group ',group)
|
||
|
||
(defcustom ,history-var ,history-val
|
||
,(concat "Maximum number of items saved in the history of the " buf-str ".\n"
|
||
"If 0, the history is disabled.")
|
||
:type 'integer
|
||
:group ',group)
|
||
|
||
(defcustom ,revert-var ,revert-val
|
||
,(concat "If non-nil, do not ask to confirm for reverting the " buf-str ".")
|
||
:type 'boolean
|
||
:group ',group)
|
||
|
||
(defvar ,params-var ',params-val
|
||
,(concat "List of required " entry-type-str " parameters.\n\n"
|
||
"Displayed parameters and parameters from this list are received\n"
|
||
"for each " entry-type-str ".\n\n"
|
||
"May be a special value `all', in which case all supported\n"
|
||
"parameters are received (this may be very slow for a big number\n"
|
||
"of entries).\n\n"
|
||
"Do not remove `id' from this list as it is required for\n"
|
||
"identifying an entry."))
|
||
|
||
(define-derived-mode ,mode ,parent-mode ,(concat "Guix-" Buf-type-str)
|
||
,(concat "Major mode for displaying information about " entry-str ".\n\n"
|
||
"\\{" mode-map-str "}")
|
||
(setq-local revert-buffer-function 'guix-revert-buffer)
|
||
(setq-local guix-history-size ,history-var)
|
||
(and (fboundp ',mode-init-fun) (,mode-init-fun)))
|
||
|
||
(let ((map ,mode-map))
|
||
(define-key map (kbd "l") 'guix-history-back)
|
||
(define-key map (kbd "r") 'guix-history-forward)
|
||
(define-key map (kbd "g") 'revert-buffer)
|
||
(define-key map (kbd "R") 'guix-redisplay-buffer)
|
||
(define-key map (kbd "C-c C-z") 'guix-switch-to-repl)))))
|
||
|
||
(put 'guix-define-buffer-type 'lisp-indent-function 'defun)
|
||
|
||
|
||
;;; Getting and displaying info about packages and generations
|
||
|
||
(defcustom guix-package-list-type 'output
|
||
"Define how to display packages in a list buffer.
|
||
May be a symbol `package' or `output' (if `output', display each
|
||
output on a separate line; if `package', display each package on
|
||
a separate line)."
|
||
:type '(choice (const :tag "List of packages" package)
|
||
(const :tag "List of outputs" output))
|
||
:group 'guix)
|
||
|
||
(defcustom guix-package-info-type 'package
|
||
"Define how to display packages in an info buffer.
|
||
May be a symbol `package' or `output' (if `output', display each
|
||
output separately; if `package', display outputs inside a package
|
||
information)."
|
||
:type '(choice (const :tag "Display packages" package)
|
||
(const :tag "Display outputs" output))
|
||
:group 'guix)
|
||
|
||
(defun guix-get-entries (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'.
|
||
|
||
PARAMS is a list of parameters for receiving. If nil, get
|
||
information with all available parameters."
|
||
(guix-eval-read (guix-make-guile-expression
|
||
'entries
|
||
guix-current-profile params
|
||
entry-type search-type search-vals)))
|
||
|
||
(defun guix-get-show-entries (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 entry-type search-type search-vals
|
||
(guix-get-params-for-receiving
|
||
buffer-type entry-type))))
|
||
(guix-set-buffer entries buffer-type entry-type
|
||
search-type search-vals)))
|
||
|
||
(defun guix-set-buffer (entries buffer-type entry-type search-type
|
||
search-vals &optional history-replace)
|
||
"Set up BUFFER-TYPE buffer for displaying ENTRY-TYPE ENTRIES.
|
||
|
||
Display ENTRIES, 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."
|
||
(when entries
|
||
(let ((buf (if (eq major-mode (guix-get-symbol
|
||
"mode" buffer-type entry-type))
|
||
(current-buffer)
|
||
(get-buffer-create
|
||
(symbol-value
|
||
(guix-get-symbol "buffer-name"
|
||
buffer-type entry-type))))))
|
||
(with-current-buffer buf
|
||
(guix-show-entries entries buffer-type entry-type)
|
||
(guix-set-vars entries buffer-type entry-type
|
||
search-type search-vals)
|
||
(funcall (if history-replace
|
||
#'guix-history-replace
|
||
#'guix-history-add)
|
||
(guix-make-history-item)))
|
||
(pop-to-buffer buf
|
||
'((display-buffer-reuse-window
|
||
display-buffer-same-window)))))
|
||
(guix-result-message 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 (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 entries buffer-type entry-type
|
||
search-type search-vals)
|
||
(guix-result-message 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-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 "get-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 ((entries (guix-get-entries
|
||
guix-entry-type guix-search-type guix-search-vals
|
||
(guix-get-params-for-receiving guix-buffer-type
|
||
guix-entry-type))))
|
||
(guix-set-buffer entries guix-buffer-type guix-entry-type
|
||
guix-search-type guix-search-vals t))))
|
||
|
||
(defun guix-redisplay-buffer ()
|
||
"Redisplay current information.
|
||
This function will not update the information, use
|
||
\"\\[revert-buffer]\" if you want the full update."
|
||
(interactive)
|
||
(guix-show-entries guix-entries guix-buffer-type guix-entry-type)
|
||
(guix-result-message guix-entries guix-entry-type
|
||
guix-search-type guix-search-vals))
|
||
|
||
|
||
;;; Messages
|
||
|
||
(defvar guix-messages
|
||
'((package
|
||
(id
|
||
(0 "Packages not found.")
|
||
(1 "")
|
||
(many "%d packages." count))
|
||
(name
|
||
(0 "The package '%s' not found." val)
|
||
(1 "A single package with name '%s'." val)
|
||
(many "%d packages with '%s' name." count val))
|
||
(regexp
|
||
(0 "No packages matching '%s'." val)
|
||
(1 "A single package matching '%s'." val)
|
||
(many "%d packages matching '%s'." count val))
|
||
(all-available
|
||
(0 "No packages are available for some reason.")
|
||
(1 "A single available package (that's strange).")
|
||
(many "%d available packages." count))
|
||
(newest-available
|
||
(0 "No packages are available for some reason.")
|
||
(1 "A single newest available package (that's strange).")
|
||
(many "%d newest available packages." count))
|
||
(installed
|
||
(0 "No installed packages.")
|
||
(1 "A single package installed.")
|
||
(many "%d packages installed." count))
|
||
(obsolete
|
||
(0 "No obsolete packages.")
|
||
(1 "A single obsolete package.")
|
||
(many "%d obsolete packages." count))
|
||
(generation
|
||
(0 "No packages installed in generation %d." val)
|
||
(1 "A single package installed in generation %d." val)
|
||
(many "%d packages installed in generation %d." count val)))
|
||
(output
|
||
(id
|
||
(0 "Package outputs not found.")
|
||
(1 "")
|
||
(many "%d package outputs." count))
|
||
(name
|
||
(0 "The package output '%s' not found." val)
|
||
(1 "A single package output with name '%s'." val)
|
||
(many "%d package outputs with '%s' name." count val))
|
||
(regexp
|
||
(0 "No package outputs matching '%s'." val)
|
||
(1 "A single package output matching '%s'." val)
|
||
(many "%d package outputs matching '%s'." count val))
|
||
(all-available
|
||
(0 "No package outputs are available for some reason.")
|
||
(1 "A single available package output (that's strange).")
|
||
(many "%d available package outputs." count))
|
||
(newest-available
|
||
(0 "No package outputs are available for some reason.")
|
||
(1 "A single newest available package output (that's strange).")
|
||
(many "%d newest available package outputs." count))
|
||
(installed
|
||
(0 "No installed package outputs.")
|
||
(1 "A single package output installed.")
|
||
(many "%d package outputs installed." count))
|
||
(obsolete
|
||
(0 "No obsolete package outputs.")
|
||
(1 "A single obsolete package output.")
|
||
(many "%d obsolete package outputs." count))
|
||
(generation
|
||
(0 "No package outputs installed in generation %d." val)
|
||
(1 "A single package output installed in generation %d." val)
|
||
(many "%d package outputs installed in generation %d." count val)))
|
||
(generation
|
||
(id
|
||
(0 "Generations not found.")
|
||
(1 "")
|
||
(many "%d generations." count))
|
||
(last
|
||
(0 "No available generations.")
|
||
(1 "The last generation.")
|
||
(many "%d last generations." count))
|
||
(all
|
||
(0 "No available generations.")
|
||
(1 "A single available generation.")
|
||
(many "%d available generations." count)))))
|
||
|
||
(defun guix-result-message (entries entry-type search-type search-vals)
|
||
"Display an appropriate message after displaying ENTRIES."
|
||
(let* ((val (car search-vals))
|
||
(count (length entries))
|
||
(count-key (if (> count 1) 'many count))
|
||
(msg-spec (guix-get-key-val guix-messages
|
||
entry-type search-type count-key))
|
||
(format (car msg-spec))
|
||
(args (cdr msg-spec)))
|
||
(mapc (lambda (subst)
|
||
(setq args (cl-substitute (car subst) (cdr subst) args)))
|
||
(list (cons count 'count)
|
||
(cons val 'val)))
|
||
(apply #'message format args)))
|
||
|
||
|
||
;;; 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)
|
||
|
||
(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 (&rest actions)
|
||
"Process package ACTIONS.
|
||
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
|
||
:install install :upgrade upgrade :remove remove)
|
||
(guix-eval-in-repl
|
||
(guix-make-guile-expression
|
||
'process-package-actions guix-current-profile
|
||
:install install :upgrade upgrade :remove remove
|
||
:use-substitutes? (or guix-use-substitutes 'f)
|
||
:dry-run? (or guix-dry-run 'f))))))
|
||
|
||
(cl-defun guix-continue-package-operation-p (&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
|
||
'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)
|
||
(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-get-entry-by-id id entries)))
|
||
(when entry
|
||
(let ((location (guix-get-key-val entry 'location)))
|
||
(concat (guix-get-full-name entry)
|
||
(when outputs
|
||
(concat ":"
|
||
(mapconcat #'identity 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 ()
|
||
"Prompt a user for continuing the current package operation.
|
||
Return non-nil, if the operation should be continued; nil otherwise."
|
||
(let* ((option-keys (mapcar #'guix-operation-option-key
|
||
guix-operation-options))
|
||
(keys (append '(?y ?n) option-keys))
|
||
(prompt (concat (propertize "Continue operation?"
|
||
'face 'minibuffer-prompt)
|
||
" ("
|
||
(mapconcat
|
||
(lambda (key)
|
||
(propertize (string key)
|
||
'face 'guix-operation-option-key))
|
||
keys
|
||
", ")
|
||
") ")))
|
||
(prog1 (guix-operation-prompt-1 prompt keys)
|
||
;; 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))
|
||
|
||
(provide 'guix-base)
|
||
|
||
;;; guix-base.el ends here
|