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authormattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
committermattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
commitbd18a38c2898548a3664a9ddab9f79c84f2caf4a (patch)
tree95b9933376770381bd8859782ae763be81c2d72b /elpa/use-package-20210207.1926/use-package-ensure.el
parentb07628dddf418d4f47b858e6c35fd3520fbaeed2 (diff)
parentef160dea332af4b4fe5e2717b962936c67e5fe9e (diff)
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-;;; use-package-ensure.el --- Support for the :ensure and :pin keywords -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2012-2017 John Wiegley
-
-;; Author: John Wiegley <johnw@newartisans.com>
-;; Maintainer: John Wiegley <johnw@newartisans.com>
-;; Created: 17 Jun 2012
-;; Modified: 3 Dec 2017
-;; Version: 1.0
-;; Package-Requires: ((emacs "24.3") (use-package "2.4"))
-;; Keywords: dotemacs startup speed config package
-;; URL: https://github.com/jwiegley/use-package
-
-;; This program 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, or (at
-;; your option) any later version.
-
-;; This program 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 GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
-
-;;; Commentary:
-
-;; Provides support for the :ensure and :pin keywords, which is made available
-;; by default by requiring `use-package'.
-
-;;; Code:
-
-(require 'cl-lib)
-(require 'use-package-core)
-
-(defgroup use-package-ensure nil
- "Support for :ensure and :pin keywords in use-package declarations."
- :group 'use-package)
-
-(eval-when-compile
- (declare-function package-installed-p "package")
- (declare-function package-read-all-archive-contents "package" ()))
-
-(defcustom use-package-always-ensure nil
- "Treat every package as though it had specified using `:ensure SEXP'.
-See also `use-package-defaults', which uses this value."
- :type 'sexp
- :group 'use-package-ensure)
-
-(defcustom use-package-always-pin nil
- "Treat every package as though it had specified using `:pin SYM'.
-See also `use-package-defaults', which uses this value."
- :type 'symbol
- :group 'use-package-ensure)
-
-(defcustom use-package-ensure-function 'use-package-ensure-elpa
- "Function that ensures a package is installed.
-This function is called with three arguments: the name of the
-package declared in the `use-package' form; the arguments passed
-to all `:ensure' keywords (always a list, even if only one); and
-the current `state' plist created by previous handlers.
-
-Note that this function is called whenever `:ensure' is provided,
-even if it is nil. It is up to the function to decide on the
-semantics of the various values for `:ensure'.
-
-This function should return non-nil if the package is installed.
-
-The default value uses package.el to install the package."
- :type '(choice (const :tag "package.el" use-package-ensure-elpa)
- (function :tag "Custom"))
- :group 'use-package-ensure)
-
-;;;; :pin
-
-(defun use-package-normalize/:pin (_name keyword args)
- (use-package-only-one (symbol-name keyword) args
- #'(lambda (_label arg)
- (cond
- ((stringp arg) arg)
- ((use-package-non-nil-symbolp arg) (symbol-name arg))
- (t
- (use-package-error
- ":pin wants an archive name (a string)"))))))
-
-(eval-when-compile
- (defvar package-pinned-packages)
- (defvar package-archives))
-
-(defun use-package-archive-exists-p (archive)
- "Check if a given ARCHIVE is enabled.
-
-ARCHIVE can be a string or a symbol or 'manual to indicate a
-manually updated package."
- (if (member archive '(manual "manual"))
- 't
- (let ((valid nil))
- (dolist (pa package-archives)
- (when (member archive (list (car pa) (intern (car pa))))
- (setq valid 't)))
- valid)))
-
-(defun use-package-pin-package (package archive)
- "Pin PACKAGE to ARCHIVE."
- (unless (boundp 'package-pinned-packages)
- (setq package-pinned-packages ()))
- (let ((archive-symbol (if (symbolp archive) archive (intern archive)))
- (archive-name (if (stringp archive) archive (symbol-name archive))))
- (if (use-package-archive-exists-p archive-symbol)
- (add-to-list 'package-pinned-packages (cons package archive-name))
- (error "Archive '%s' requested for package '%s' is not available."
- archive-name package))
- (unless (bound-and-true-p package--initialized)
- (package-initialize t))))
-
-(defun use-package-handler/:pin (name _keyword archive-name rest state)
- (let ((body (use-package-process-keywords name rest state))
- (pin-form (if archive-name
- `(use-package-pin-package ',(use-package-as-symbol name)
- ,archive-name))))
- ;; Pinning should occur just before ensuring
- ;; See `use-package-handler/:ensure'.
- (if (bound-and-true-p byte-compile-current-file)
- (eval pin-form) ; Eval when byte-compiling,
- (push pin-form body)) ; or else wait until runtime.
- body))
-
-;;;; :ensure
-
-(defvar package-archive-contents)
-
-;;;###autoload
-(defun use-package-normalize/:ensure (_name keyword args)
- (if (null args)
- (list t)
- (use-package-only-one (symbol-name keyword) args
- #'(lambda (_label arg)
- (cond
- ((symbolp arg)
- (list arg))
- ((and (listp arg) (= 3 (length arg))
- (symbolp (nth 0 arg))
- (eq :pin (nth 1 arg))
- (or (stringp (nth 2 arg))
- (symbolp (nth 2 arg))))
- (list (cons (nth 0 arg) (nth 2 arg))))
- (t
- (use-package-error
- (concat ":ensure wants an optional package name "
- "(an unquoted symbol name), or (<symbol> :pin <string>)"))))))))
-
-(defun use-package-ensure-elpa (name args _state &optional _no-refresh)
- (dolist (ensure args)
- (let ((package
- (or (and (eq ensure t) (use-package-as-symbol name))
- ensure)))
- (when package
- (require 'package)
- (when (consp package)
- (use-package-pin-package (car package) (cdr package))
- (setq package (car package)))
- (unless (package-installed-p package)
- (condition-case-unless-debug err
- (progn
- (when (assoc package (bound-and-true-p
- package-pinned-packages))
- (package-read-all-archive-contents))
- (if (assoc package package-archive-contents)
- (package-install package)
- (package-refresh-contents)
- (when (assoc package (bound-and-true-p
- package-pinned-packages))
- (package-read-all-archive-contents))
- (package-install package))
- t)
- (error
- (display-warning 'use-package
- (format "Failed to install %s: %s"
- name (error-message-string err))
- :error))))))))
-
-;;;###autoload
-(defun use-package-handler/:ensure (name _keyword ensure rest state)
- (let* ((body (use-package-process-keywords name rest state)))
- ;; We want to avoid installing packages when the `use-package' macro is
- ;; being macro-expanded by elisp completion (see `lisp--local-variables'),
- ;; but still install packages when byte-compiling, to avoid requiring
- ;; `package' at runtime.
- (if (bound-and-true-p byte-compile-current-file)
- ;; Eval when byte-compiling,
- (funcall use-package-ensure-function name ensure state)
- ;; or else wait until runtime.
- (push `(,use-package-ensure-function ',name ',ensure ',state)
- body))
- body))
-
-(add-to-list 'use-package-defaults
- '(:ensure (list use-package-always-ensure)
- (lambda (name args)
- (and use-package-always-ensure
- (not (plist-member args :load-path))))) t)
-
-(add-to-list 'use-package-defaults
- '(:pin use-package-always-pin use-package-always-pin) t)
-
-(add-to-list 'use-package-keywords :ensure)
-(add-to-list 'use-package-keywords :pin)
-
-(provide 'use-package-ensure)
-
-;;; use-package-ensure.el ends here