344 lines
15 KiB
EmacsLisp
344 lines
15 KiB
EmacsLisp
;;; core/core-packages.el -*- lexical-binding: t; -*-
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;; Emacs package management is opinionated, and so is Doom. Doom uses `straight'
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;; to create a declarative, lazy-loaded and optionally rolling-release package
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;; management system. We use `straight' over `package' because the latter is
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;; tempermental. ELPA sources suffer downtime occasionally, and often fail at
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;; building some packages when GNU Tar is unavailable (e.g. MacOS users start
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;; with BSD tar). There are also known gnutls errors in the current stable
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;; release of Emacs (26.x) which bork TLS handshakes with ELPA repos (mainly
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;; gnu.elpa.org). See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3434.
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;;
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;; What's worse, you can only get the latest version of packages through ELPA.
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;; In an ecosystem that is constantly changing, this is more frustrating than
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;; convenient. Straight (and Doom) can do rolling release, but it is optional
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;; (and will eventually be opt-in).
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;;
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;; ANyhow, interacting with this package management system is done through the
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;; bin/doom script included with Doom Emacs. You'll find more about it by
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;; running 'doom help' (I highly recommend you add it to your PATH), but here
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;; are the highlights:
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;;
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;; + `bin/doom install`: a wizard that guides you through setting up Doom and
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;; your private config for the first time.
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;; + `bin/doom refresh`: your go-to command for making sure Doom is in optimal
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;; condition. It ensures all unneeded packages are removed, all needed ones
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;; are installed, and all metadata associated with them is generated.
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;; + `bin/doom upgrade`: upgrades Doom Emacs and your packages to the latest
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;; versions. There's also 'bin/doom update' for updating only your packages.
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;;
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;; How this works is: the system reads packages.el files located in each
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;; activated module, your private directory (`doom-private-dir'), and one in
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;; `doom-core-dir'. These contain `package!' declarations that tell DOOM what
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;; plugins to install and where from.
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;;
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;; All that said, you can still use package.el's commands, but 'bin/doom
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;; refresh' will purge ELPA packages.
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(defvar doom-init-packages-p nil
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"If non-nil, Doom's package management system has been initialized.")
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(defvar doom-packages ()
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"A list of enabled packages. Each element is a sublist, whose CAR is the
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package's name as a symbol, and whose CDR is the plist supplied to its
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`package!' declaration. Set by `doom-initialize-packages'.")
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(defvar doom-pinned-packages nil
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"An alist mapping package names to commit hashes; both strings.
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We avoid straight's lockfiles because we want to pin packages straight from
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their `package!' declarations, which is simpler than lockfiles, where version
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management would be done in a whole new file that users shouldn't have to deal
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with.")
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(defvar doom-core-packages '(straight use-package)
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"A list of packages that must be installed (and will be auto-installed if
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missing) and shouldn't be deleted.")
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(defvar doom-core-package-sources
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'((org-elpa :local-repo nil)
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(melpa
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:type git :host github
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:repo "melpa/melpa"
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:no-build t)
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(gnu-elpa-mirror
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:type git :host github
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:repo "emacs-straight/gnu-elpa-mirror"
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:no-build t)
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(emacsmirror-mirror
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:type git :host github
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:repo "emacs-straight/emacsmirror-mirror"
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:no-build t))
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"A list of recipes for straight's recipe repos.")
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(defvar doom-disabled-packages ()
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"A list of packages that should be ignored by `use-package!' and `after!'.")
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;;
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;;; Package managers
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;; Ensure that, if we do need package.el, it is configured correctly. You really
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;; shouldn't be using it, but it may be convenient for quick package testing.
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(setq package-enable-at-startup nil
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package-user-dir (concat doom-local-dir "elpa/")
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package-gnupghome-dir (expand-file-name "gpg" package-user-dir)
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;; I omit Marmalade because its packages are manually submitted rather
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;; than pulled, so packages are often out of date with upstream.
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package-archives
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(let ((proto (if gnutls-verify-error "https" "http")))
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`(("gnu" . ,(concat proto "://elpa.gnu.org/packages/"))
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("melpa" . ,(concat proto "://melpa.org/packages/"))
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("org" . ,(concat proto "://orgmode.org/elpa/")))))
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(advice-add #'package--ensure-init-file :override #'ignore)
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;; Don't save `package-selected-packages' to `custom-file'
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(defadvice! doom--package-inhibit-custom-file-a (&optional value)
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:override #'package--save-selected-packages
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(if value (setq package-selected-packages value)))
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;; Refresh package.el the first time you call `package-install'
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(add-transient-hook! 'package-install (package-refresh-contents))
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;;; straight
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(setq straight-base-dir doom-local-dir
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straight-repository-branch "develop"
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straight-cache-autoloads nil ; we already do this, and better.
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;; Doom doesn't encourage you to modify packages in place. Disabling this
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;; makes 'doom refresh' instant (once everything set up), which is much
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;; nicer UX than the several seconds modification checks.
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straight-check-for-modifications nil
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;; We handle package.el ourselves (and a little more comprehensively)
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straight-enable-package-integration nil
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;; Before switching to straight, `doom-local-dir' would average out at
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;; around 100mb with half Doom's modules at ~230 packages. Afterwards, at
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;; around 1gb. With shallow cloning, that is reduced to ~400mb. This
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;; imposes an issue with packages that require their git history for
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;; certain things to work (like magit and org), but we can deal with that
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;; when we cross that bridge.
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straight-vc-git-default-clone-depth 1
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;; Prefix declarations are unneeded bulk added to our autoloads file. Best
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;; we just don't have to deal with them at all.
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autoload-compute-prefixes nil
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;; We handle it ourselves
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straight-fix-org nil)
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(defadvice! doom--read-pinned-packages-a (orig-fn &rest args)
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"Read from `doom-pinned-packages' on top of straight's lockfiles."
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:around #'straight--lockfile-read-all
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(append (apply orig-fn args) doom-pinned-packages))
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;;
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;;; Bootstrapper
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(defun doom-initialize-packages (&optional force-p)
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"Ensures that Doom's package system and straight.el are initialized.
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If FORCE-P is non-nil, do it anyway.
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This ensure `doom-packages' is populated, if isn't aren't already. Use this
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before any of straight's or Doom's package management's API to ensure all the
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necessary package metadata is initialized and available for them."
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(unless doom-init-packages-p
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(setq force-p t))
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(when (or force-p (not (bound-and-true-p package--initialized)))
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(doom-log "Initializing package.el")
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(require 'package)
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(package-initialize))
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(when (or force-p (not doom-packages))
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(doom-log "Initializing straight")
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(setq doom-init-packages-p t)
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(unless (fboundp 'straight--reset-caches)
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(doom-ensure-straight)
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(require 'straight))
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(straight--reset-caches)
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(setq straight-recipe-repositories nil
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straight-recipe-overrides nil)
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(mapc #'straight-use-recipes doom-core-package-sources)
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(straight-register-package
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`(straight :type git :host github
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:repo ,(format "%s/straight.el" straight-repository-user)
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:files ("straight*.el")
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:branch ,straight-repository-branch
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:no-byte-compile t))
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(mapc #'straight-use-package doom-core-packages)
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(doom-log "Initializing doom-packages")
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(setq doom-disabled-packages nil
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doom-pinned-packages nil
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doom-packages (doom-package-list))
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(dolist (package doom-packages)
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(let ((name (car package)))
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(with-plist! (cdr package) (recipe modules disable ignore pin)
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(if ignore
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(doom-log "Ignoring package %S" name)
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(if (not disable)
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(with-demoted-errors "Package error: %s"
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(when recipe
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(straight-override-recipe (cons name recipe)))
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(straight-register-package name))
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(doom-log "Disabling package %S" name)
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(cl-pushnew name doom-disabled-packages)
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;; Warn about disabled core packages
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(when (cl-find :core modules :key #'car)
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(print! (warn "%s\n%s")
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(format "You've disabled %S" name)
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(indent 2 (concat "This is a core package. Disabling it will cause errors, as Doom assumes\n"
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"core packages are always available. Disable their minor-modes or hooks instead.")))))
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(when pin
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(let ((realname
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(if-let* ((recipe (cdr (straight-recipes-retrieve name)))
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(repo (straight-vc-local-repo-name recipe)))
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repo
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(symbol-name name))))
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(doom-log "Pinning package %S to %S" realname pin)
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(setf (alist-get realname doom-pinned-packages
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nil nil #'equal)
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pin)))))))))
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(defun doom-ensure-straight ()
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"Ensure `straight' is installed and was compiled with this version of Emacs."
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(defvar bootstrap-version)
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(let* (;; Force straight to install into ~/.emacs.d/.local/straight instead of
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;; ~/.emacs.d/straight by pretending `doom-local-dir' is our .emacs.d.
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(user-emacs-directory straight-base-dir)
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(bootstrap-file (doom-path straight-base-dir "straight/repos/straight.el/straight.el"))
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(bootstrap-version 5))
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(make-directory (doom-path straight-base-dir "straight/build") 'parents)
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(unless (featurep 'straight)
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(unless (or (require 'straight nil t)
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(file-readable-p bootstrap-file))
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(with-current-buffer
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(url-retrieve-synchronously
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(format "https://raw.githubusercontent.com/raxod502/straight.el/%s/install.el"
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straight-repository-branch)
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'silent 'inhibit-cookies)
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(goto-char (point-max))
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(eval-print-last-sexp)))
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(load bootstrap-file nil t))))
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;;
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;;; Module package macros
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(cl-defmacro package!
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(name &rest plist &key built-in recipe ignore _pin _disable)
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"Declares a package and how to install it (if applicable).
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This macro is declarative and does not load nor install packages. It is used to
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populate `doom-packages' with metadata about the packages Doom needs to keep
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track of.
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Only use this macro in a module's packages.el file.
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Accepts the following properties:
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:recipe RECIPE
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Specifies a straight.el recipe to allow you to acquire packages from external
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sources. See https://github.com/raxod502/straight.el#the-recipe-format for
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details on this recipe.
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:disable BOOL
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Do not install or update this package AND disable all of its `use-package!'
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and `after!' blocks.
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:ignore FORM
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Do not install this package.
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:pin STR|nil
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(NOT IMPLEMENTED YET)
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Pin this package to commit hash STR. Setting this to nil will unpin this
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package if previously pinned.
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:built-in BOOL|'prefer
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Same as :ignore if the package is a built-in Emacs package. This is more to
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inform help commands like `doom/help-packages' that this is a built-in
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package. If set to 'prefer, the package will not be installed if it is
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already provided by Emacs.
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Returns t if package is successfully registered, and nil if it was disabled
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elsewhere."
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(declare (indent defun))
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(when (and recipe (keywordp (car-safe recipe)))
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(plist-put! plist :recipe `(quote ,recipe)))
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;; :built-in t is basically an alias for :ignore (locate-library NAME)
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(when built-in
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(when (and (not ignore)
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(equal built-in '(quote prefer)))
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(setq built-in `(locate-library ,(symbol-name name) nil doom--initial-load-path)))
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(plist-delete! plist :built-in)
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(plist-put! plist :ignore built-in))
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`(let* ((name ',name)
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(plist (cdr (assq name doom-packages))))
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;; Record what module this declaration was found in
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(let ((module-list (plist-get plist :modules))
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(module ',(doom-module-from-path)))
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(unless (member module module-list)
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(plist-put! plist :modules
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(append module-list
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(list module)
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nil))))
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;; Merge given plist with pre-existing one
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(doplist! ((prop val) (list ,@plist) plist)
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(unless (null val)
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(plist-put! plist prop val)))
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;; Some basic key validation; error if you're not using a valid key
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(condition-case e
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(when-let (recipe (plist-get plist :recipe))
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(cl-destructuring-bind
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(&key local-repo _files _flavor
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_no-build _no-byte-compile _no-autoloads
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_type _repo _host _branch _remote _nonrecursive _fork _depth)
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recipe
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;; Expand :local-repo from current directory
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(when local-repo
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(plist-put! plist :recipe
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(plist-put recipe :local-repo
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(expand-file-name local-repo ,(dir!)))))))
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(error
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(signal 'doom-package-error
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(cons ,(symbol-name name)
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(error-message-string e)))))
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;; This is the only side-effect of this macro!
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(setf (alist-get name doom-packages) plist)
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(with-no-warnings
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(not (plist-get plist :disable)))))
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(defmacro disable-packages! (&rest packages)
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"A convenience macro for disabling packages in bulk.
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Only use this macro in a module's (or your private) packages.el file."
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(macroexp-progn
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(cl-loop for p in packages
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collect `(package! ,p :disable t))))
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(defmacro unpin! (&rest targets)
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"Unpin packages in TARGETS.
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This unpins packages, so that 'doom upgrade' downloads their latest version. It
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can be used one of five ways:
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+ To disable pinning wholesale: (unpin! t)
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+ To unpin individual packages: (unpin! packageA packageB ...)
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+ To unpin all packages in a group of modules: (unpin! :lang :tools ...)
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+ To unpin packages in individual modules:
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(unpin! (:lang python javascript) (:tools docker))
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Or any combination of the above."
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`(dolist (target ',targets)
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(cond
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((eq target t)
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(setq doom-pinned-packages nil))
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((or (keywordp target)
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(listp target))
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(cl-destructuring-bind (category . modules) (doom-enlist target)
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(dolist (pkg doom-packages)
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(let ((pkg-modules (plist-get (cdr pkg) :modules)))
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(and (assq category pkg-modules)
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(or (null modules)
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(cl-loop for module in modules
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if (member (cons category module) pkg-modules)
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return t))
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(assq-delete-all (car pkg) doom-pinned-packages))))))
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((symbolp target)
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(assq-delete-all target doom-pinned-packages)))))
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(provide 'core-packages)
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;;; core-packages.el ends here
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