591 lines
26 KiB
EmacsLisp
591 lines
26 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 (nominally) reproducible 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 to
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;; build packages when GNU Tar is unavailable (e.g. MacOS users start with BSD
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;; tar). Known gnutls errors plague the current stable release of Emacs (26.x)
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;; which bork TLS handshakes with ELPA repos (mainly gnu.elpa.org). See
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;; 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 opt-in.
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;;
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;; Interacting with this package management system is done through Doom's
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;; bin/doom script. Find out more about it by running 'doom help' (I highly
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;; recommend you add the script to your PATH). Here are some 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 sync`: 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 sync'
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;; will purge ELPA packages.
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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-disabled-packages ()
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"A list of packages that should be ignored by `use-package!' and `after!'.")
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(defvar doom-packages-file "packages"
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"The basename of packages file for modules.
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Package files are read whenever Doom's package manager wants a manifest of all
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desired packages. They are rarely read in interactive sessions (unless the user
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uses a straight or package.el command directly).")
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;;
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;;; package.el
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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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(list (cons "gnu" (concat proto "://elpa.gnu.org/packages/"))
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(cons "melpa" (concat proto "://melpa.org/packages/"))
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(cons "org" (concat proto "://orgmode.org/elpa/")))))
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;; package.el has no business modifying the user's init.el
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(advice-add #'package--ensure-init-file :override #'ignore)
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;; Refresh package.el the first time you call `package-install', so it can still
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;; be used (e.g. to temporarily test packages). Remember to run 'doom sync' to
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;; purge them; they can conflict with packages installed via straight!
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(add-transient-hook! 'package-install (package-refresh-contents))
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;;
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;;; Straight
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(setq straight-base-dir (file-truename doom-local-dir)
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straight-repository-branch "develop"
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;; Since byte-code is rarely compatible across different versions of
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;; Emacs, it's best we build them in separate directories, per emacs
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;; version.
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straight-build-dir (format "build-%s" emacs-version)
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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 sync' instant (once everything set up), which is much nicer
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;; 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 has
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;; no affect on packages that are pinned, however (run 'doom purge' to
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;; compact those after-the-fact). Some packages break when shallow cloned
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;; (like magit and org), but we'll deal with that elsewhere.
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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 don't have to deal with them at all.
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autoload-compute-prefixes nil)
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(with-eval-after-load 'straight
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;; `let-alist' is built into Emacs 26 and onwards
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(add-to-list 'straight-built-in-pseudo-packages 'let-alist))
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(defadvice! doom--read-pinned-packages-a (orig-fn &rest args)
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"Read `:pin's in `doom-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) ; lockfiles still take priority
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(doom-package-pinned-list)))
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(defadvice! doom--byte-compile-in-same-session-a (recipe)
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"Straight recompiles packages from an Emacs child process. This is sensible,
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but many packages don't properly load their macro dependencies, causing errors,
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which we can't possibly police, so I revert straight to its old strategy of
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compiling in the same session."
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:override #'straight--build-compile
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(straight--with-plist recipe (package)
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;; These two `let' forms try very, very hard to make byte-compilation an
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;; invisible process. Lots of packages have byte-compile warnings; I
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;; don't need to know about them and neither do straight.el users.
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(letf! (;; Prevent Emacs from asking the user to save all their
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;; files before compiling.
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(#'save-some-buffers #'ignore))
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(quiet!
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;; Note that there is in fact no `byte-compile-directory' function.
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(byte-recompile-directory
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(straight--build-dir package)
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0 'force)))))
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;;
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;;; Bootstrappers
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(defun doom--ensure-straight (recipe pin)
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(let ((repo-dir (doom-path straight-base-dir "straight/repos/straight.el"))
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(repo-url (concat "http" (if gnutls-verify-error "s")
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"://github.com/"
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(or (plist-get recipe :repo) "raxod502/straight.el")))
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(branch (or (plist-get recipe :branch) straight-repository-branch))
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(call (if doom-debug-p #'doom-exec-process #'doom-call-process)))
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(unless (file-directory-p repo-dir)
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(message "Installing straight...")
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(cond
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((eq straight-vc-git-default-clone-depth 'full)
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(funcall call "git" "clone" "--origin" "origin" repo-url repo-dir))
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((null pin)
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(funcall call "git" "clone" "--origin" "origin" repo-url repo-dir
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"--depth" (number-to-string straight-vc-git-default-clone-depth)
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"--branch" straight-repository-branch
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"--single-branch" "--no-tags"))
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((integerp straight-vc-git-default-clone-depth)
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(make-directory repo-dir t)
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(let ((default-directory repo-dir))
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(funcall call "git" "init")
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(funcall call "git" "checkout" "-b" straight-repository-branch)
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(funcall call "git" "remote" "add" "origin" repo-url)
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(funcall call "git" "fetch" "origin" pin
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"--depth" (number-to-string straight-vc-git-default-clone-depth)
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"--no-tags")
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(funcall call "git" "checkout" "--detach" pin)))))
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(require 'straight (concat repo-dir "/straight.el"))
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(doom-log "Initializing recipes")
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(with-temp-buffer
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(insert-file-contents (doom-path repo-dir "bootstrap.el"))
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;; Don't install straight for us -- we've already done that -- only set
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;; up its recipe repos for us.
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(eval-region (search-forward "(require 'straight)")
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(point-max)))))
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(defun doom--ensure-core-packages (packages)
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(doom-log "Installing core packages")
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(dolist (package packages)
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(let ((name (car package)))
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(when-let (recipe (plist-get (cdr package) :recipe))
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(straight-override-recipe (cons name recipe)))
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(straight-use-package name))))
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(defun doom-initialize-core-packages (&optional force-p)
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"Ensure `straight' is installed and was compiled with this version of Emacs."
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(when (or force-p (null (bound-and-true-p straight-recipe-repositories)))
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(doom-log "Initializing straight")
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(let ((packages (doom-package-list nil 'core)))
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(cl-destructuring-bind (&key recipe pin &allow-other-keys)
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(alist-get 'straight packages)
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(doom--ensure-straight recipe pin))
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(doom--ensure-core-packages packages))))
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(defun doom-initialize-packages (&optional force-p)
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"Process all packages, essential and otherwise, if they haven't already been.
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If FORCE-P is non-nil, do it anyway.
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This ensures `doom-packages' is populated and `straight' recipes are properly
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processed."
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(doom-initialize-core-packages force-p)
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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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(unless package--initialized
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(error "Failed to initialize package.el")))
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(when (or force-p (null doom-packages))
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(doom-log "Initializing straight.el")
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(setq doom-disabled-packages nil
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doom-packages (doom-package-list))
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(let (packages)
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(dolist (package doom-packages)
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(cl-destructuring-bind
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(name &key recipe disable ignore shadow &allow-other-keys) package
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(if ignore
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(straight-override-recipe (cons name '(:type built-in)))
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(if disable
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(cl-pushnew name doom-disabled-packages)
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(when shadow
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(straight-override-recipe (cons shadow `(:local-repo nil :package included :build nil :included-by ,name)))
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(let ((site-load-path (copy-sequence doom--initial-load-path))
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lib)
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(while (setq
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lib (locate-library (concat (symbol-name shadow) ".el")
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nil site-load-path))
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(let ((lib (directory-file-name (file-name-directory lib))))
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(setq site-load-path (delete lib site-load-path)
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load-path (delete lib load-path))))))
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(when recipe
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(straight-override-recipe (cons name recipe)))
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(appendq! packages (cons name (straight--get-dependencies name)))))))
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(dolist (package (cl-delete-duplicates packages :test #'equal))
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(straight-register-package package)
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(let ((name (symbol-name package)))
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(add-to-list 'load-path (directory-file-name (straight--build-dir name)))
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(straight--load-package-autoloads name))))))
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;;
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;;; Package management API
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(defun doom-package-get (package &optional prop nil-value)
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"Returns PACKAGE's `package!' recipe from `doom-packages'."
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(let ((plist (cdr (assq package doom-packages))))
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(if prop
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(if (plist-member plist prop)
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(plist-get plist prop)
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nil-value)
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plist)))
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(defun doom-package-set (package prop value)
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"Set PROPERTY in PACKAGE's recipe to VALUE."
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(setf (alist-get package doom-packages)
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(plist-put (alist-get package doom-packages)
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prop value)))
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(defun doom-package-recipe (package &optional prop nil-value)
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"Returns the `straight' recipe PACKAGE was registered with."
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(let* ((recipe (straight-recipes-retrieve package))
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(plist (doom-plist-merge
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(plist-get (alist-get package doom-packages) :recipe)
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(cdr (if (memq (car recipe) '(quote \`))
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(eval recipe t)
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recipe)))))
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(if prop
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(if (plist-member plist prop)
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(plist-get plist prop)
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nil-value)
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plist)))
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(defun doom-package-recipe-repo (package)
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"Resolve and return PACKAGE's (symbol) local-repo property."
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(if-let* ((recipe (copy-sequence (doom-package-recipe package)))
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(recipe (if (and (not (plist-member recipe :type))
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(memq (plist-get recipe :host) '(github gitlab bitbucket)))
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(plist-put recipe :type 'git)
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recipe))
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(repo (if-let (local-repo (plist-get recipe :local-repo))
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(directory-file-name local-repo)
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(ignore-errors (straight-vc-local-repo-name recipe)))))
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repo
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(symbol-name package)))
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(defun doom-package-build-recipe (package &optional prop nil-value)
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"Returns the `straight' recipe PACKAGE was installed with."
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(let ((plist (nth 2 (gethash (symbol-name package) straight--build-cache))))
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(if prop
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(if (plist-member plist prop)
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(plist-get plist prop)
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nil-value)
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plist)))
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(defun doom-package-dependencies (package &optional recursive _noerror)
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"Return a list of dependencies for a package."
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(let ((deps (nth 1 (gethash (symbol-name package) straight--build-cache))))
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(if recursive
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(append deps (mapcan (lambda (dep) (doom-package-dependencies dep t t))
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(copy-sequence deps)))
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(copy-sequence deps))))
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(defun doom-package-depending-on (package &optional noerror)
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"Return a list of packages that depend on PACKAGE.
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If PACKAGE (a symbol) isn't installed, throw an error, unless NOERROR is
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non-nil."
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(cl-check-type package symbol)
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;; can't get dependencies for built-in packages
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(unless (or (doom-package-build-recipe package)
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noerror)
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(error "Couldn't find %s, is it installed?" package))
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(cl-loop for pkg in (hash-table-keys straight--build-cache)
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for deps = (doom-package-dependencies pkg)
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if (memq package deps)
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collect pkg
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and append (doom-package-depending-on pkg t)))
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;;; Predicate functions
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(defun doom-package-built-in-p (package)
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"Return non-nil if PACKAGE (a symbol) is built-in."
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(eq (doom-package-build-recipe package :type)
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'built-in))
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(defun doom-package-installed-p (package)
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"Return non-nil if PACKAGE (a symbol) is installed."
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(file-directory-p (straight--build-dir (symbol-name package))))
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(defun doom-package-is-type-p (package type)
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"TODO"
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(memq type (doom-enlist (doom-package-get package :type))))
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(defun doom-package-in-module-p (package category &optional module)
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"Return non-nil if PACKAGE was installed by the user's private config."
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(when-let (modules (doom-package-get package :modules))
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(or (and (not module) (assq :private modules))
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(member (cons category module) modules))))
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(defun doom-package-backend (package)
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"Return 'straight, 'builtin, 'elpa or 'other, depending on how PACKAGE is
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installed."
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(cond ((gethash (symbol-name package) straight--build-cache)
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'straight)
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((or (doom-package-built-in-p package)
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(assq package package--builtins))
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'builtin)
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((assq package package-alist)
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'elpa)
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((locate-library (symbol-name package))
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'other)))
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;;; Package getters
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(defun doom--read-packages (file &optional noeval noerror)
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(condition-case-unless-debug e
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(with-temp-buffer ; prevent buffer-local state from propagating
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(if (not noeval)
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(load file noerror 'nomessage 'nosuffix)
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(when (file-exists-p file)
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(insert-file-contents file)
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(let (emacs-lisp-mode) (emacs-lisp-mode))
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;; Scrape `package!' blocks from FILE for a comprehensive listing of
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;; packages used by this module.
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(while (search-forward "(package!" nil t)
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(let ((ppss (save-excursion (syntax-ppss))))
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;; Don't collect packages in comments or strings
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(unless (or (nth 3 ppss)
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(nth 4 ppss))
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(goto-char (match-beginning 0))
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(cl-destructuring-bind (_ name . plist)
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(read (current-buffer))
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(push (cons
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name (plist-put
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plist :modules
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(list (doom-module-from-path file))))
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doom-packages))))))))
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(error
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(signal 'doom-package-error
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(list (doom-module-from-path file)
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file e)))))
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(defun doom-package-list (&optional all-p core-only-p)
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"Retrieve a list of explicitly declared packages from enabled modules.
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If ALL-P, gather packages unconditionally across all modules, including disabled
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ones."
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(let ((packages-file (concat doom-packages-file ".el"))
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doom-disabled-packages
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doom-packages)
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(doom--read-packages
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(doom-path doom-core-dir packages-file) all-p 'noerror)
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(unless core-only-p
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(let ((private-packages (doom-path doom-private-dir packages-file))
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(doom-modules (doom-module-list)))
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(if all-p
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(mapc #'doom--read-packages
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(doom-files-in doom-modules-dir
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:depth 2
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:match "/packages\\.el$"))
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;; We load the private packages file twice to populate
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;; `doom-disabled-packages' disabled packages are seen ASAP, and a
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;; second time to ensure privately overridden packages are properly
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;; overwritten.
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(let (doom-packages)
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(doom--read-packages private-packages nil 'noerror))
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(cl-loop for key being the hash-keys of doom-modules
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for path = (doom-module-path (car key) (cdr key) packages-file)
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for doom--current-module = key
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do (doom--read-packages path nil 'noerror)))
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(doom--read-packages private-packages all-p 'noerror)))
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(cl-remove-if-not
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(if core-only-p
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(lambda (pkg) (eq (plist-get (cdr pkg) :type) 'core))
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#'identity)
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(nreverse doom-packages))))
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(defun doom-package-pinned-list ()
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"Return an alist mapping package names (strings) to pinned commits (strings)."
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(let (alist)
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(dolist (package doom-packages alist)
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(cl-destructuring-bind (name &key disable ignore pin unpin &allow-other-keys)
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package
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(when (and (not ignore)
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(not disable)
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(or pin unpin))
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(setf (alist-get (file-name-nondirectory (doom-package-recipe-repo name))
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alist nil 'remove #'equal)
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(unless unpin pin)))))))
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(defun doom-package-recipe-list ()
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"Return straight recipes for non-builtin packages with a local-repo."
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(let (recipes)
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(dolist (recipe (hash-table-values straight--recipe-cache))
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|
(cl-destructuring-bind (&key local-repo type &allow-other-keys)
|
|
recipe
|
|
(unless (or (null local-repo)
|
|
(eq type 'built-in))
|
|
(push recipe recipes))))
|
|
(nreverse recipes)))
|
|
|
|
|
|
;;
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|
;;; Module package macros
|
|
|
|
(cl-defmacro package!
|
|
(name &rest plist &key built-in recipe ignore _type _pin _disable _shadow)
|
|
"Declares a package and how to install it (if applicable).
|
|
|
|
This macro is declarative and does not load nor install packages. It is used to
|
|
populate `doom-packages' with metadata about the packages Doom needs to keep
|
|
track of.
|
|
|
|
Only use this macro in a module's packages.el file.
|
|
|
|
Accepts the following properties:
|
|
|
|
:type core|local|built-in|virtual
|
|
Specifies what kind of package this is. Can be a symbol or a list thereof.
|
|
`core' = this is a protected package and cannot be disabled!
|
|
`local' = this package is being modified in-place. This package's repo is
|
|
unshallowed and will be skipped when you update packages.
|
|
`built-in' = this package is already built-in (otherwise, will be
|
|
installed)
|
|
`virtual' = this package is not tracked by Doom's package manager. It won't
|
|
be installed or uninstalled. Use this to pin 2nd order dependencies.
|
|
:recipe RECIPE
|
|
Specifies a straight.el recipe to allow you to acquire packages from external
|
|
sources. See https://github.com/raxod502/straight.el#the-recipe-format for
|
|
details on this recipe.
|
|
:disable BOOL
|
|
Do not install or update this package AND disable all of its `use-package!'
|
|
and `after!' blocks.
|
|
:ignore FORM
|
|
Do not install this package.
|
|
:pin STR|nil
|
|
Pin this package to commit hash STR. Setting this to nil will unpin this
|
|
package if previously pinned.
|
|
:built-in BOOL|'prefer
|
|
Same as :ignore if the package is a built-in Emacs package. This is more to
|
|
inform help commands like `doom/help-packages' that this is a built-in
|
|
package. If set to 'prefer, the package will not be installed if it is
|
|
already provided by Emacs.
|
|
:shadow PACKAGE
|
|
Informs Doom that this package is shadowing a built-in PACKAGE; the original
|
|
package will be removed from `load-path' to mitigate conflicts, and this new
|
|
package will satisfy any dependencies on PACKAGE in the future.
|
|
|
|
Returns t if package is successfully registered, and nil if it was disabled
|
|
elsewhere."
|
|
(declare (indent defun))
|
|
(when (and recipe (keywordp (car-safe recipe)))
|
|
(plist-put! plist :recipe `(quote ,recipe)))
|
|
;; :built-in t is basically an alias for :ignore (locate-library NAME)
|
|
(when built-in
|
|
(when (and (not ignore)
|
|
(equal built-in '(quote prefer)))
|
|
(setq built-in `(locate-library ,(symbol-name name) nil doom--initial-load-path)))
|
|
(plist-delete! plist :built-in)
|
|
(plist-put! plist :ignore built-in))
|
|
`(let* ((name ',name)
|
|
(plist (cdr (assq name doom-packages))))
|
|
;; Record what module this declaration was found in
|
|
(let ((module-list (plist-get plist :modules))
|
|
(module ',(doom-module-from-path)))
|
|
(unless (member module module-list)
|
|
(plist-put! plist :modules
|
|
(append module-list
|
|
(list module)
|
|
(when (file-in-directory-p ,(dir!) doom-private-dir)
|
|
'((:private . modules)))
|
|
nil))))
|
|
;; Merge given plist with pre-existing one
|
|
(doplist! ((prop val) (list ,@plist) plist)
|
|
(unless (null val)
|
|
(plist-put! plist prop val)))
|
|
;; Some basic key validation; throws an error on invalid properties
|
|
(condition-case e
|
|
(when-let (recipe (plist-get plist :recipe))
|
|
(cl-destructuring-bind
|
|
(&key local-repo _files _flavor
|
|
_build _pre-build _post-build _includes
|
|
_type _repo _host _branch
|
|
_remote _nonrecursive _fork _depth)
|
|
recipe
|
|
;; Expand :local-repo from current directory
|
|
(when local-repo
|
|
(plist-put!
|
|
plist :recipe
|
|
(plist-put recipe :local-repo
|
|
(let ((local-path (expand-file-name local-repo ,(dir!))))
|
|
(if (file-directory-p local-path)
|
|
local-path
|
|
local-repo)))))))
|
|
(error
|
|
(signal 'doom-package-error
|
|
(cons ,(symbol-name name)
|
|
(error-message-string e)))))
|
|
;; These are the only side-effects of this macro!
|
|
(setf (alist-get name doom-packages) plist)
|
|
(if (plist-get plist :disable)
|
|
(add-to-list 'doom-disabled-packages name)
|
|
(with-no-warnings
|
|
(cons name plist)))))
|
|
|
|
(defmacro disable-packages! (&rest packages)
|
|
"A convenience macro for disabling packages in bulk.
|
|
Only use this macro in a module's (or your private) packages.el file."
|
|
(macroexp-progn
|
|
(mapcar (lambda (p) `(package! ,p :disable t))
|
|
packages)))
|
|
|
|
(defmacro unpin! (&rest targets)
|
|
"Unpin packages in TARGETS.
|
|
|
|
This unpins packages, so that 'doom upgrade' downloads their latest version. It
|
|
can be used one of five ways:
|
|
|
|
+ To disable pinning wholesale: (unpin! t)
|
|
+ To unpin individual packages: (unpin! packageA packageB ...)
|
|
+ To unpin all packages in a group of modules: (unpin! :lang :tools ...)
|
|
+ To unpin packages in individual modules:
|
|
(unpin! (:lang python javascript) (:tools docker))
|
|
|
|
Or any combination of the above.
|
|
|
|
This macro should only be used from the user's private packages.el. No module
|
|
should use it!"
|
|
(if (memq t targets)
|
|
`(mapc (doom-rpartial #'doom-package-set :unpin t)
|
|
(mapcar #'car doom-packages))
|
|
(macroexp-progn
|
|
(mapcar
|
|
(lambda (target)
|
|
(when target
|
|
`(doom-package-set ',target :unpin t)))
|
|
(cl-loop for target in targets
|
|
if (or (keywordp target) (listp target))
|
|
append
|
|
(cl-loop with (category . modules) = (doom-enlist target)
|
|
for (name . plist) in doom-packages
|
|
for pkg-modules = (plist-get plist :modules)
|
|
if (and (assq category pkg-modules)
|
|
(or (null modules)
|
|
(cl-loop for module in modules
|
|
if (member (cons category module) pkg-modules)
|
|
return t))
|
|
name)
|
|
collect it)
|
|
else if (symbolp target)
|
|
collect target)))))
|
|
|
|
(provide 'core-packages)
|
|
;;; core-packages.el ends here
|