169 lines
7.6 KiB
EmacsLisp
169 lines
7.6 KiB
EmacsLisp
;; Spacemacs Contribution System
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(require 'package)
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(setq package-archives '(("ELPA" . "http://tromey.com/elpa/")
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("gnu" . "http://elpa.gnu.org/packages/")
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("melpa" . "http://melpa.milkbox.net/packages/")))
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(package-initialize)
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(setq warning-minimum-level :error)
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;; Emacs 24.3 and above ships with python.el but in some Emacs 24.3.1 packages
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;; for Ubuntu, python.el seems to be missing.
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;; This hack adds marmalade repository for this case only.
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(unless (or (package-installed-p 'python) (version< emacs-version "24.3"))
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(add-to-list 'package-archives
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'("marmalade" . "http://marmalade-repo.org/packages/")))
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(load (concat spacemacs-core-directory "ht.el"))
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(defvar spacemacs-config-layers '()
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"Alist of configuration layers with the form (symbol . plist) where
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SYMBOL is the name of the layer and PLIST is a property list with the following
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keys:
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:contrib if t then the layer is a contribution layer.
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:dir the absolute path to the base directory of the layer.
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:ext-dir the absolute path to the directory containing the extensions.
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")
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(defvar spacemacs-all-packages #s(hash-table size 200 data ())
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"Hash table of all declared packages in all layers where the key is a package
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symbol and the value is the layer symbol where to initialize the package. ")
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(defvar spacemacs-all-pre-extensions #s(hash-table size 64 data ())
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"Hash table of all declared pre-extensions in all layers where the key is a
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extension symbol and the value is the layer symbol where to load and
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initialize the extension. ")
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(defvar spacemacs-all-post-extensions #s(hash-table size 64 data ())
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"Hash table of all declared post-extensions in all layers where the key is a
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extension symbol and the value is the layer symbol where to load and
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initialize the extension. ")
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(defun contribsys/declare-layer (sym &optional contrib)
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"Declare a layer with SYM name (symbol). If CONTRIB is non nil then the layer
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is a contribution layer."
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(let* ((sym-name (symbol-name sym))
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(base-dir (if contrib spacemacs-contrib-config-directory
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user-emacs-directory))
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(dir (format "%s%s/" base-dir sym-name))
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(ext-dir (format "%sextensions/" dir)))
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(push (cons sym (list :contrib contrib :dir dir :ext-dir ext-dir))
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spacemacs-config-layers)))
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(defun contribsys/load-layers ()
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"Load all declared layers."
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(contribsys/load-layer-files '("funcs.el" "config.el"))
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(contribsys/read-packages-and-extensions)
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(contribsys/initialize-extensions spacemacs-all-pre-extensions)
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(contribsys/install-packages)
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(append-to-spacemacs-buf loading-text)
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(contribsys/initialize-packages)
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(contribsys/initialize-extensions spacemacs-all-post-extensions)
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(contribsys/load-layer-files '("keybindings.el")))
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(defun contribsys/load-layer-files (files)
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"Load the files of list FILES from all declared layers."
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(dolist (layer (reverse spacemacs-config-layers))
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(let* ((sym (car layer))
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(dir (plist-get (cdr layer) :dir)))
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(dolist (file files)
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(load (concat dir file))))))
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(defun contribsys/read-packages-and-extensions ()
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"Load all packages and extensions declared in all layers and fill the
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corresponding hash tables:
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spacemacs-all-packages
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spacemacs-all-pre-extensions
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spacemacs-all-post-extensions
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By using a hash table we ensure that *only one layer* is responsible for the
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initialization of a package or extensions (as well as the loading in case of
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extension), the winner layer is the last layer to declare the package or
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extension.
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"
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(dolist (layer (reverse spacemacs-config-layers))
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(let* ((sym (car layer))
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(dir (plist-get (cdr layer) :dir))
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(pkg-file (concat dir "packages.el"))
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(ext-file (concat dir "extensions.el")))
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(progn
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;; packages
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(load pkg-file)
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(dolist (pkg (eval (intern (format "%s-packages" (symbol-name sym)))))
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(puthash pkg sym spacemacs-all-packages))
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;; extensions
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(load ext-file)
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(dolist (pkg (eval (intern (format "%s-pre-extensions"
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(symbol-name sym)))))
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(puthash pkg sym spacemacs-all-pre-extensions))
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(dolist (pkg (eval (intern (format "%s-post-extensions"
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(symbol-name sym)))))
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(puthash pkg sym spacemacs-all-post-extensions)))))
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;; number of chuncks for the loading screen
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(let ((total (+ (ht-size spacemacs-all-packages)
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(ht-size spacemacs-all-pre-extensions)
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(ht-size spacemacs-all-post-extensions))))
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(setq loading-dots-chunk-threshold (/ total loading-dots-chunk-count))))
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(defun contribsys/install-packages ()
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"Install the packages all the packages if there are not currently installed."
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(interactive)
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(let* ((pkg-list (ht-keys spacemacs-all-packages))
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(sorted-pkg-list (mapcar 'intern
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(sort (mapcar 'symbol-name pkg-list)
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'string<)))
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(not-installed (remove-if 'package-installed-p sorted-pkg-list))
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(not-installed-count (length not-installed)))
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;; installation
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(if not-installed
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(progn
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(append-to-spacemacs-buf
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(format "Found %s new package(s) to install...\n"
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not-installed-count))
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(append-to-spacemacs-buf
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"--> fetching new package repository indexes...\n")
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(redisplay)
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(package-refresh-contents)
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(setq installed-count 0)
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(dolist (pkg not-installed)
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(when (not (package-installed-p pkg))
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(package-install pkg))
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(setq installed-count (1+ installed-count))
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(replace-last-line-of-spacemacs-buf
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(format "--> installing %s:%s... [%s/%s]"
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(ht-get spacemacs-all-packages pkg)
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pkg
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installed-count
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not-installed-count) t)
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(redisplay))
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(append-to-spacemacs-buf "\n")))))
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(defun contribsys/initialize-packages ()
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"Initialize all the declared packages."
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(ht-each 'contribsys/initialize-package spacemacs-all-packages))
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(defun contribsys/initialize-package (pkg lsym)
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"Initialize the package PKG from the configuration layer LSYM."
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(let* ((layer (assq lsym spacemacs-config-layers))
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(init-func (intern (format "%s/init-%s" (symbol-name lsym) pkg))))
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(loading-animation)
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(if (and (package-installed-p pkg) (fboundp init-func))
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(progn (message "(Spacemacs) Initializing %s:%s..."
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(symbol-name lsym) pkg)
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(funcall init-func)))))
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(defun contribsys/initialize-extensions (ext-list)
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"Initialize all the declared extensions in EXT-LIST hash table."
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(ht-each 'contribsys/initialize-extension ext-list))
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(defun contribsys/initialize-extension (ext lsym)
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"Initialize the extension EXT from the configuration layer LSYM."
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(let* ((layer (assq lsym spacemacs-config-layers))
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(ext-dir (plist-get (cdr layer) :ext-dir))
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(init-func (intern (format "%s/init-%s" (symbol-name lsym) ext))))
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(add-to-list 'load-path (format "%s%s/" ext-dir ext))
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(loading-animation)
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(message "(Spacemacs) Initializing %s:%s..." (symbol-name lsym) ext)
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(if (fboundp init-func) (funcall init-func))))
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(defun contribsys/declare-configuration-layers ()
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"Declare the configuration layer in order of appearance in list
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dotspacemacs-configuration-layers defined in ~/.spacemacs."
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(if (boundp 'dotspacemacs-configuration-layers)
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(dolist (layer dotspacemacs-configuration-layers)
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(contribsys/declare-layer layer t))))
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