mirror of
https://github.com/dimitri/el-get.git
synced 2024-09-30 13:38:52 +08:00
bd418720b5
Currently this has no function other than documentation, but it could be given a function later, such as allowing manually-written recipes to take precedence over auto-generated ones.
138 lines
5.3 KiB
EmacsLisp
138 lines
5.3 KiB
EmacsLisp
;;; el-get --- Manage the external elisp bits and pieces you depend upon
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;;
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;; Copyright (C) 2010-2011 Dimitri Fontaine
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;;
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;; Author: Dimitri Fontaine <dim@tapoueh.org>
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;; URL: http://www.emacswiki.org/emacs/el-get
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;; GIT: https://github.com/dimitri/el-get
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;; Licence: WTFPL, grab your copy here: http://sam.zoy.org/wtfpl/
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;;
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;; This file is NOT part of GNU Emacs.
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;;
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;; Install
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;; Please see the README.asciidoc file from the same distribution
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(require 'el-get-http)
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(defcustom el-get-emacswiki-base-url
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"https://raw.github.com/emacsmirror/emacswiki.org/master/"
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"The base URL where to fetch :emacswiki packages"
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:group 'el-get
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:type '(radio
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(const :tag "Github mirror (recommended): https://raw.github.com/emacsmirror/emacswiki.org/master/"
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"https://raw.github.com/emacsmirror/emacswiki.org/master/")
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(const :tag "Main EmacsWiki site: http://www.emacswiki.org/emacs/download/"
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"http://www.emacswiki.org/emacs/download/")
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(string :tag "Other URL")))
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(defcustom el-get-emacswiki-elisp-file-list-url
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"http://www.emacswiki.org/cgi-bin/wiki?action=elisp"
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"The emacswiki URL where to fetch a list of elisp files with descriptions.
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We get back list of filename space first line, and in general
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that matches the following pattern:
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filename.el ;;; filename.el --- description"
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:group 'el-get
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:type 'string)
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(defun el-get-emacswiki-install (package url post-install-fun)
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"Download a single-file PACKAGE over HTTP from emacswiki."
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(let ((url (or url (format "%s%s.el" el-get-emacswiki-base-url package))))
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(el-get-http-install package url post-install-fun)))
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(defun el-get-emacswiki-guess-website (package)
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(format "%s%s.el" el-get-emacswiki-base-url package))
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(el-get-register-derived-method :emacswiki :http
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:install #'el-get-emacswiki-install
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:update #'el-get-emacswiki-install
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:guess-website #'el-get-emacswiki-guess-website)
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;;;
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;;; Functions to maintain a local recipe list from EmacsWiki
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;;;
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(defun el-get-emacswiki-retrieve-package-list ()
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"return a list of (URL PACKAGE DESCRIPTION) from emacswiki"
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(loop for line in
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(split-string
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(with-current-buffer
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(url-retrieve-synchronously el-get-emacswiki-elisp-file-list-url)
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;; prune HTTP headers
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(goto-char (point-min))
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(re-search-forward "^$" nil 'move)
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(forward-char)
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(delete-region (point-min) (point))
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(buffer-string))
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"\n")
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for filename = (substring line 0 (string-match " " line))
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for description = (if (string-match "--?-? " line)
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(substring line (match-end 0)) "")
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for url = (format "%s%s" el-get-emacswiki-base-url filename)
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collect (list url filename description)))
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(defun el-get-emacswiki-build-local-recipes (&optional target-dir)
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"retrieve the index of elisp pages at emacswiki and turn them
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into a local recipe file set"
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(interactive)
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(let ((target-dir (or target-dir
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(car command-line-args-left)
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el-get-recipe-path-emacswiki))
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(coding-system-for-write 'utf-8))
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(unless (file-directory-p target-dir) (make-directory target-dir 'recursive))
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(loop
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for (url package description) in (el-get-emacswiki-retrieve-package-list)
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for recipe = (replace-regexp-in-string "el$" "rcp" package)
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for rfile = (expand-file-name recipe target-dir)
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unless (file-exists-p rfile)
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do (with-temp-file (expand-file-name rfile target-dir)
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(message "%s: %s" package description)
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(insert
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(format
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"(:name %s\n:auto-generated t\n:type emacswiki\n:description \"%s\"\n:website \"%s\")\n"
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(file-name-sans-extension package) description url))
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;; (encode-coding-region (point-min) (point-max) 'utf-8)
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(indent-region (point-min) (point-max))))))
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;;;###autoload
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(defun el-get-emacswiki-refresh (&optional target-dir in-process)
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"Generate recipes for all lisp files on Emacswiki.
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By default, this is done in a separate process so that you can
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continue to work while the recipes are being updated. If this
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fails, you can force the update to be done in-process by running
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this with a prefix arg (noninteractively: set optional arg
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`in-process' non-nil)."
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(interactive
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(list (let ((dummy (unless (file-directory-p el-get-recipe-path-emacswiki)
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(make-directory el-get-recipe-path-emacswiki))))
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(read-directory-name "emacswiki recipes go to: "
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el-get-recipe-path-emacswiki))
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current-prefix-arg))
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(if in-process
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(progn
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(el-get-emacswiki-build-local-recipes target-dir)
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(el-get-notify "el-get: EmacsWiki"
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"EmacsWiki local recipe list refreshed"))
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(let* ((name "*el-get-emacswiki*")
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(dummy (when (get-buffer name) (kill-buffer name)))
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(args
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(format
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"-Q -batch -L %s -L %s -l %s -f el-get-emacswiki-build-local-recipes %s"
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(el-get-package-directory 'el-get)
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(expand-file-name "methods" (el-get-package-directory 'el-get))
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(file-name-sans-extension
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(symbol-file 'el-get-emacswiki-build-local-recipes 'defun))
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target-dir))
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(process
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(apply 'start-process name name el-get-emacs (split-string args))))
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(message "%s %s" el-get-emacs args)
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(set-process-sentinel
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process
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'(lambda (proc event)
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(when (eq (process-status proc) 'exit)
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(el-get-notify "el-get: EmacsWiki"
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"EmacsWiki local recipe list refreshed")))))))
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(provide 'el-get-emacswiki)
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