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1094 lines
44 KiB
EmacsLisp
1094 lines
44 KiB
EmacsLisp
;;; package-build.el --- Tools for assembling a package archive
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;; Copyright (C) 2011-2013 Donald Ephraim Curtis <dcurtis@milkbox.net>
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;; Copyright (C) 2012-2013 Steve Purcell <steve@sanityinc.com>
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;; Copyright (C) 2009 Phil Hagelberg <technomancy@gmail.com>
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;; Author: Donald Ephraim Curtis <dcurtis@milkbox.net>
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;; Created: 2011-09-30
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;; Version: 0.1
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;; Keywords: tools
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;; Package-Requires: ((cl-lib "0.2"))
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;; This file is not (yet) part of GNU Emacs.
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;; However, it is distributed under the same license.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; This file allows a curator to publish an archive of Emacs packages.
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;; The archive is generated from an index, which contains a list of
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;; projects and repositories from which to get them. The term
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;; "package" here is used to mean a specific version of a project that
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;; is prepared for download and installation.
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;;; Code:
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;; Since this library is not meant to be loaded by users
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;; at runtime, use of cl functions should not be a problem.
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(require 'cl-lib)
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(require 'package)
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(require 'lisp-mnt)
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(defconst pb/this-dir (file-name-directory (or load-file-name (buffer-file-name))))
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(defcustom package-build-working-dir (expand-file-name "working/" pb/this-dir)
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"Directory in which to keep checkouts."
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:group 'package-build
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:type 'string)
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(defcustom package-build-archive-dir (expand-file-name "packages/" pb/this-dir)
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"Directory in which to keep compiled archives."
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:group 'package-build
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:type 'string)
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(defcustom package-build-recipes-dir (expand-file-name "recipes/" pb/this-dir)
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"Directory containing recipe files."
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:group 'package-build
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:type 'string)
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(defvar package-build-verbose t
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"When non-nil, `package-build' feels free to print information about
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its progress.")
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;;; Internal Variables
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(defvar pb/recipe-alist nil
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"Internal list of package build specs.
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Do not use this directly. Use `package-build-recipe-alist'
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function.")
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(defvar pb/recipe-alist-initialized nil
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"Determines if `pb/recipe-alist` has been initialized.")
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(defvar pb/archive-alist nil
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"Internal list of already-built packages, in the standard package.el format.
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Do not use this directly. Use `package-build-archive-alist'
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function for access to this function")
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(defvar pb/archive-alist-initialized nil
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"Determines if pb/archive-alist has been initialized.")
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(defconst package-build-default-files-spec
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'("*.el" "*.el.in" "dir"
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"*.info" "*.texi" "*.texinfo"
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"doc/dir" "doc/*.info" "doc/*.texi" "doc/*.texinfo"
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(:exclude "tests.el" "*-test.el" "*-tests.el"))
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"Default value for :files attribute in recipes.")
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(defun pb/message (format-string &rest args)
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"Log a message using FORMAT-STRING and ARGS as per `message'."
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(when package-build-verbose
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(apply 'message format-string args)))
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(defun pb/slurp-file (file-name)
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"Return the contents of FILE-NAME as a string, or nil if no such file exists."
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(when (file-exists-p file-name)
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(with-temp-buffer
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(insert-file-contents-literally file-name)
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(buffer-substring-no-properties (point-min) (point-max)))))
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(defun pb/string-rtrim (str)
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"Remove trailing whitespace from `STR'."
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(replace-regexp-in-string "[ \t\n]*$" "" str))
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(defun pb/parse-time (str)
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"Parse STR as a time, and format as a YYYYMMDD.HHMM string."
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;; We remove zero-padding the HH portion, as it is lost
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;; when stored in the archive-contents
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(let* ((s (substring-no-properties str))
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(time (date-to-time
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(if (string-match "^\\([0-9]\\{4\\}\\)/\\([0-9]\\{2\\}\\)/\\([0-9]\\{2\\}\\) \\([0-9]\\{2\\}:[0-9]\\{2\\}:[0-9]\\{2\\}\\)$" str)
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(concat (match-string 1 str) "-" (match-string 2 str) "-"
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(match-string 3 str) " " (match-string 4 str))
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str))))
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(concat (format-time-string "%Y%m%d." time)
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(format "%d" (or (string-to-number (format-time-string "%H%M" time)) 0)))))
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(defun pb/string-match-all (regex str &optional group)
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"Find every match for `REGEX' within `STR', returning the full match string or group `GROUP'."
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(let (result
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(pos 0)
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(group (or group 0)))
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(while (string-match regex str pos)
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(push (match-string group str) result)
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(setq pos (match-end group)))
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result))
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(defun pb/find-parse-time (regex &optional bound)
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"Find REGEX in current buffer and format as a time version, optionally looking only as far as BOUND."
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(pb/parse-time (progn (re-search-backward regex bound)
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(match-string-no-properties 1))))
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(defun pb/find-parse-time-latest (regex &optional bound)
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"Find the latest timestamp matching REGEX, optionally looking only as far as BOUND."
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(let* ((text (buffer-substring-no-properties
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(or bound (point-min)) (point)))
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(times (mapcar 'pb/parse-time (pb/string-match-all regex text 1))))
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(car (nreverse (sort times 'string<)))))
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(defun pb/run-process (dir command &rest args)
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"In DIR (or `default-directory' if unset) run COMMAND with ARGS.
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Output is written to the current buffer."
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(let* ((default-directory (file-name-as-directory (or dir default-directory)))
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(have-timeout (executable-find "timeout"))
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(argv (if have-timeout
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(append (list "timeout" "-k" "60" "600" command) args)
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(cons command args))))
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(unless (file-directory-p default-directory)
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(error "Can't run process in non-existent directory: %s" default-directory))
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(let ((exit-code (apply 'process-file (car argv) nil (current-buffer) t (cdr argv))))
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(unless (zerop exit-code)
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(error "Command '%s' exited with non-zero status %d: %s"
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argv exit-code (buffer-string))))))
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(defun pb/run-process-match (regex dir prog &rest args)
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"Find match for REGEX when - in DIR, or `default-directory' if unset - we run PROG with ARGS."
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(with-temp-buffer
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(apply 'pb/run-process dir prog args)
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(goto-char (point-min))
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(re-search-forward regex)
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(match-string-no-properties 1)))
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(defun package-build-checkout (package-name config working-dir)
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"Check out source for PACKAGE-NAME with CONFIG under WORKING-DIR.
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In turn, this function uses the :fetcher option in the CONFIG to
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choose a source-specific fetcher function, which it calls with
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the same arguments.
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Returns a last-modification timestamp for the :files listed in
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CONFIG, if any, or `package-build-default-files-spec' otherwise."
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(let ((repo-type (plist-get config :fetcher)))
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(pb/message "Fetcher: %s" repo-type)
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(unless (eq 'wiki repo-type)
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(pb/message "Source: %s\n" (or (plist-get config :repo) (plist-get config :url))))
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(funcall (intern (format "pb/checkout-%s" repo-type))
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package-name config (file-name-as-directory working-dir))))
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(defvar pb/last-wiki-fetch-time 0
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"The time at which an emacswiki URL was last requested.
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This is used to avoid exceeding the rate limit of 1 request per 2
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seconds; the server cuts off after 10 requests in 20 seconds.")
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(defvar pb/wiki-min-request-interval 3
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"The shortest permissible interval between successive requests for Emacswiki URLs.")
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(defmacro pb/with-wiki-rate-limit (&rest body)
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"Rate-limit BODY code passed to this macro to match EmacsWiki's rate limiting."
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(let ((now (cl-gensym))
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(elapsed (cl-gensym)))
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`(let* ((,now (float-time))
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(,elapsed (- ,now pb/last-wiki-fetch-time)))
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(when (< ,elapsed pb/wiki-min-request-interval)
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(let ((wait (- pb/wiki-min-request-interval ,elapsed)))
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(pb/message "Waiting %.2f secs before hitting Emacswiki again" wait)
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(sleep-for wait)))
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(unwind-protect
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(progn ,@body)
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(setq pb/last-wiki-fetch-time (float-time))))))
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(defun pb/grab-wiki-file (filename)
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"Download FILENAME from emacswiki, returning its last-modified time."
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(let* ((download-url
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(format "http://www.emacswiki.org/emacs/download/%s" filename))
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(wiki-url
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(format "http://www.emacswiki.org/emacs/%s" filename)))
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(pb/with-wiki-rate-limit
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(url-copy-file download-url filename t))
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(when (zerop (nth 7 (file-attributes filename)))
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(error "Wiki file %s was empty - has it been removed?" filename))
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;; The Last-Modified response header for the download is actually
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;; correct for the file, but we have no access to that
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;; header. Instead, we must query the non-raw emacswiki page for
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;; the file.
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;; Since those Emacswiki lookups are time-consuming, we maintain a
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;; foo.el.stamp file containing ("SHA1" . "PARSED_TIME")
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(let* ((new-content-hash (secure-hash 'sha1 (pb/slurp-file filename)))
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(stamp-file (concat filename ".stamp"))
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(stamp-info (pb/read-from-file stamp-file))
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(prev-content-hash (car stamp-info)))
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(if (and prev-content-hash
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(string-equal new-content-hash prev-content-hash))
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;; File has not changed, so return old timestamp
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(progn
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(pb/message "%s is unchanged" filename)
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(cdr stamp-info))
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(pb/message "%s has changed - checking mod time" filename)
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(let ((new-timestamp
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(with-current-buffer (pb/with-wiki-rate-limit
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(url-retrieve-synchronously wiki-url))
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(unless (= 200 url-http-response-status)
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(error "HTTP error %s fetching %s" url-http-response-status wiki-url))
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(goto-char (point-max))
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(pb/find-parse-time
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"Last edited \\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\} [A-Z]\\{3\\}\\)"
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url-http-end-of-headers))))
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(pb/dump (cons new-content-hash new-timestamp) stamp-file)
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new-timestamp)))))
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(defun pb/checkout-wiki (name config dir)
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"Checkout package NAME with config CONFIG from the EmacsWiki into DIR."
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(with-current-buffer (get-buffer-create "*package-build-checkout*")
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(unless (file-exists-p dir)
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(make-directory dir))
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(let ((files (or (plist-get config :files)
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(list (format "%s.el" name))))
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(default-directory dir))
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(car (nreverse (sort (mapcar 'pb/grab-wiki-file files) 'string-lessp))))))
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(defun pb/darcs-repo (dir)
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"Get the current darcs repo for DIR."
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(pb/run-process-match "Default Remote: \\(.*\\)" dir "darcs" "show" "repo"))
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(defun pb/checkout-darcs (name config dir)
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"Check package NAME with config CONFIG out of darcs into DIR."
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(let ((repo (plist-get config :url)))
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(with-current-buffer (get-buffer-create "*package-build-checkout*")
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(cond
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((and (file-exists-p (expand-file-name "_darcs" dir))
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(string-equal (pb/darcs-repo dir) repo))
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(pb/princ-exists dir)
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(pb/run-process dir "darcs" "pull"))
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(t
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(when (file-exists-p dir)
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(delete-directory dir t nil))
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(pb/princ-checkout repo dir)
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(pb/run-process nil "darcs" "get" repo dir)))
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(apply 'pb/run-process dir "darcs" "changes" "--max-count" "1"
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(pb/expand-source-file-list dir config))
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(pb/find-parse-time
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"\\([a-zA-Z]\\{3\\} [a-zA-Z]\\{3\\} \\( \\|[0-9]\\)[0-9] [0-9]\\{2\\}:[0-9]\\{2\\}:[0-9]\\{2\\} [A-Za-z]\\{3\\} [0-9]\\{4\\}\\)"))))
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(defun pb/svn-repo (dir)
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"Get the current svn repo for DIR."
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(pb/run-process-match "URL: \\(.*\\)" dir "svn" "info"))
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(defun pb/trim (str &optional chr)
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"Return a copy of STR without any trailing CHR (or space if unspecified)."
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(if (equal (elt str (1- (length str))) (or chr ? ))
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(substring str 0 (1- (length str)))
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str))
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(defun pb/princ-exists (dir)
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"Print a message that the contents of DIR will be updated."
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(pb/message "Updating %s" dir))
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(defun pb/princ-checkout (repo dir)
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"Print a message that REPO will be checked out into DIR."
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(pb/message "Cloning %s to %s" repo dir))
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(defun pb/checkout-svn (name config dir)
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"Check package NAME with config CONFIG out of svn into DIR."
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(with-current-buffer (get-buffer-create "*package-build-checkout*")
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(let ((repo (pb/trim (plist-get config :url) ?/))
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(bound (goto-char (point-max))))
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(cond
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((and (file-exists-p (expand-file-name ".svn" dir))
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(string-equal (pb/svn-repo dir) repo))
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(pb/princ-exists dir)
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(pb/run-process dir "svn" "up"))
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(t
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(when (file-exists-p dir)
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(delete-directory dir t nil))
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(pb/princ-checkout repo dir)
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(pb/run-process nil "svn" "checkout" repo dir)))
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(apply 'pb/run-process dir "svn" "info"
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(pb/expand-source-file-list dir config))
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(or (pb/find-parse-time-latest "Last Changed Date: \\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\}:[0-9]\\{2\\}\\( [+-][0-9]\\{4\\}\\)?\\)" bound)
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(error "No valid timestamps found!")))))
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(defun pb/cvs-repo (dir)
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"Get the current CVS root and repository for DIR.
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Return a cons cell whose `car' is the root and whose `cdr' is the repository."
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(apply 'cons
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(mapcar (lambda (file)
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(pb/string-rtrim (pb/slurp-file (expand-file-name file dir))))
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'("CVS/Root" "CVS/Repository"))))
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(defun pb/checkout-cvs (name config dir)
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"Check package NAME with config CONFIG out of cvs into DIR."
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(with-current-buffer (get-buffer-create "*package-build-checkout*")
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(let ((root (pb/trim (plist-get config :url) ?/))
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(repo (or (plist-get config :module) (symbol-name name)))
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(bound (goto-char (point-max))))
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(cond
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((and (file-exists-p (expand-file-name "CVS" dir))
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(equal (pb/cvs-repo dir) (cons root repo)))
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(pb/princ-exists dir)
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(pb/run-process dir "cvs" "update" "-dP"))
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(t
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(when (file-exists-p dir)
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(delete-directory dir t nil))
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(pb/princ-checkout (format "%s from %s" repo root) dir)
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;; CVS insists on relative paths as target directory for checkout (for
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;; whatever reason), and puts "CVS" directories into every subdirectory
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;; of the current working directory given in the target path. To get CVS
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;; to just write to DIR, we need to execute CVS from the parent
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;; directory of DIR, and specific DIR as relative path. Hence all the
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;; following mucking around with paths. CVS is really horrid.
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(let* ((dir (directory-file-name dir))
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(working-dir (file-name-directory dir))
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(target-dir (file-name-nondirectory dir)))
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(pb/run-process working-dir "env" "TZ=UTC" "cvs" "-z3" "-d" root "checkout"
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"-d" target-dir repo))))
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(apply 'pb/run-process dir "cvs" "log"
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(pb/expand-source-file-list dir config))
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(or (pb/find-parse-time-latest "date: \\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\}:[0-9]\\{2\\}\\( [+-][0-9]\\{4\\}\\)?\\)" bound)
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(pb/find-parse-time-latest "date: \\([0-9]\\{4\\}/[0-9]\\{2\\}/[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\}:[0-9]\\{2\\}\\);" bound)
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(error "No valid timestamps found!"))
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)))
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(defun pb/git-repo (dir)
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"Get the current git repo for DIR."
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(pb/run-process-match
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"Fetch URL: \\(.*\\)" dir "git" "remote" "show" "-n" "origin"))
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(defun pb/git-head-branch (dir)
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"Get the current git repo for DIR."
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(or (ignore-errors
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(pb/run-process-match
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"HEAD branch: \\(.*\\)" dir "git" "remote" "show" "origin"))
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"master"))
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(defun pb/checkout-git (name config dir)
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"Check package NAME with config CONFIG out of git into DIR."
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||
(let ((repo (plist-get config :url))
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(commit (plist-get config :commit)))
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(with-current-buffer (get-buffer-create "*package-build-checkout*")
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(goto-char (point-max))
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(cond
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((and (file-exists-p (expand-file-name ".git" dir))
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(string-equal (pb/git-repo dir) repo))
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(pb/princ-exists dir)
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||
(pb/run-process dir "git" "remote" "update"))
|
||
(t
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||
(when (file-exists-p dir)
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(delete-directory dir t nil))
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||
(pb/princ-checkout repo dir)
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(pb/run-process nil "git" "clone" repo dir)))
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||
(pb/run-process dir "git" "reset" "--hard"
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||
(or commit (concat "origin/" (pb/git-head-branch dir))))
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||
(pb/run-process dir "git" "submodule" "update" "--init" "--recursive")
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||
(apply 'pb/run-process dir "git" "log" "--first-parent" "-n1" "--pretty=format:'\%ci'"
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||
(pb/expand-source-file-list dir config))
|
||
(pb/find-parse-time
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"\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\}:[0-9]\\{2\\}\\( [+-][0-9]\\{4\\}\\)?\\)"))))
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(defun pb/checkout-github (name config dir)
|
||
"Check package NAME with config CONFIG out of github into DIR."
|
||
(let* ((url (format "git://github.com/%s.git" (plist-get config :repo))))
|
||
(pb/checkout-git name (plist-put (copy-sequence config) :url url) dir)))
|
||
|
||
(defun pb/bzr-expand-repo (repo)
|
||
"Get REPO expanded name."
|
||
(pb/run-process-match "\\(?:branch root\\|repository branch\\): \\(.*\\)" nil "bzr" "info" repo))
|
||
|
||
(defun pb/bzr-repo (dir)
|
||
"Get the current bzr repo for DIR."
|
||
(pb/run-process-match "parent branch: \\(.*\\)" dir "bzr" "info"))
|
||
|
||
(defun pb/checkout-bzr (name config dir)
|
||
"Check package NAME with config CONFIG out of bzr into DIR."
|
||
(let ((repo (pb/bzr-expand-repo (plist-get config :url))))
|
||
(with-current-buffer (get-buffer-create "*package-build-checkout*")
|
||
(goto-char (point-max))
|
||
(cond
|
||
((and (file-exists-p (expand-file-name ".bzr" dir))
|
||
(string-equal (pb/bzr-repo dir) repo))
|
||
(pb/princ-exists dir)
|
||
(pb/run-process dir "bzr" "merge"))
|
||
(t
|
||
(when (file-exists-p dir)
|
||
(delete-directory dir t nil))
|
||
(pb/princ-checkout repo dir)
|
||
(pb/run-process nil "bzr" "branch" repo dir)))
|
||
(apply 'pb/run-process dir "bzr" "log" "-l1"
|
||
(pb/expand-source-file-list dir config))
|
||
(pb/find-parse-time
|
||
"\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\}:[0-9]\\{2\\}\\( [+-][0-9]\\{4\\}\\)?\\)"))))
|
||
|
||
(defun pb/hg-repo (dir)
|
||
"Get the current hg repo for DIR."
|
||
(pb/run-process-match "default = \\(.*\\)" dir "hg" "paths"))
|
||
|
||
(defun pb/checkout-hg (name config dir)
|
||
"Check package NAME with config CONFIG out of hg into DIR."
|
||
(let ((repo (plist-get config :url)))
|
||
(with-current-buffer (get-buffer-create "*package-build-checkout*")
|
||
(goto-char (point-max))
|
||
(cond
|
||
((and (file-exists-p (expand-file-name ".hg" dir))
|
||
(string-equal (pb/hg-repo dir) repo))
|
||
(pb/princ-exists dir)
|
||
(pb/run-process dir "hg" "pull")
|
||
(pb/run-process dir "hg" "update"))
|
||
(t
|
||
(when (file-exists-p dir)
|
||
(delete-directory dir t nil))
|
||
(pb/princ-checkout repo dir)
|
||
(pb/run-process nil "hg" "clone" repo dir)))
|
||
(apply 'pb/run-process dir "hg" "log" "--style" "compact" "-l1"
|
||
(pb/expand-source-file-list dir config))
|
||
(pb/find-parse-time
|
||
"\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\}\\( [+-][0-9]\\{4\\}\\)?\\)"))))
|
||
|
||
(defun pb/dump (data file &optional pretty-print)
|
||
"Write DATA to FILE as a Lisp sexp.
|
||
Optionally PRETTY-PRINT the data."
|
||
(with-temp-file file
|
||
(pb/message "File: %s" file)
|
||
(if pretty-print
|
||
(pp data (current-buffer))
|
||
(print data (current-buffer)))))
|
||
|
||
(defun pb/write-pkg-file (pkg-file pkg-info)
|
||
"Write PKG-FILE containing PKG-INFO."
|
||
(pb/dump
|
||
`(define-package
|
||
,(aref pkg-info 0)
|
||
,(aref pkg-info 3)
|
||
,(aref pkg-info 2)
|
||
',(mapcar
|
||
(lambda (elt)
|
||
(list (car elt)
|
||
(package-version-join (cadr elt))))
|
||
(aref pkg-info 1)))
|
||
pkg-file
|
||
t))
|
||
|
||
(defun pb/read-from-file (file-name)
|
||
"Read and return the Lisp data stored in FILE-NAME, or nil if no such file exists."
|
||
(when (file-exists-p file-name)
|
||
(car (read-from-string (pb/slurp-file file-name)))))
|
||
|
||
(defun pb/create-tar (file dir &optional files)
|
||
"Create a tar FILE containing the contents of DIR, or just FILES if non-nil."
|
||
(apply 'process-file
|
||
"tar" nil
|
||
(get-buffer-create "*package-build-checkout*")
|
||
nil "-cvf"
|
||
file
|
||
"--exclude=.svn"
|
||
"--exclude=CVS"
|
||
"--exclude=.git*"
|
||
"--exclude=_darcs"
|
||
"--exclude=.bzr"
|
||
"--exclude=.hg"
|
||
(or (mapcar (lambda (fn) (concat dir "/" fn)) files) (list dir))))
|
||
|
||
|
||
(defun pb/find-package-commentary (file-path)
|
||
"Get commentary section from FILE-PATH."
|
||
(when (file-exists-p file-path)
|
||
(with-temp-buffer
|
||
(insert-file-contents file-path)
|
||
(lm-commentary))))
|
||
|
||
(defun pb/write-pkg-readme (commentary file-name)
|
||
"Write COMMENTARY to the FILE-NAME-readme.txt file."
|
||
(when commentary
|
||
(with-temp-buffer
|
||
(insert commentary)
|
||
;; Adapted from `describe-package-1'.
|
||
(goto-char (point-min))
|
||
(save-excursion
|
||
(when (re-search-forward "^;;; Commentary:\n" nil t)
|
||
(replace-match ""))
|
||
(while (re-search-forward "^\\(;+ ?\\)" nil t)
|
||
(replace-match ""))
|
||
(goto-char (point-min))
|
||
(when (re-search-forward "\\`\\( *\n\\)+" nil t)
|
||
(replace-match "")))
|
||
(delete-trailing-whitespace)
|
||
(let ((coding-system-for-write buffer-file-coding-system))
|
||
(write-region nil nil
|
||
(pb/readme-file-name file-name))))))
|
||
|
||
(defun pb/readme-file-name (file-name)
|
||
"Name of the readme file for the package FILE-NAME."
|
||
(expand-file-name (concat file-name "-readme.txt")
|
||
package-build-archive-dir))
|
||
|
||
(defun pb/update-or-insert-version (version)
|
||
"Ensure current buffer has a \"Version: VERSION\" header."
|
||
(goto-char (point-min))
|
||
(if (re-search-forward "^;;;* *Version: *" nil t)
|
||
(progn
|
||
(move-beginning-of-line nil)
|
||
(search-forward "V" nil t)
|
||
(backward-char)
|
||
(insert "X-Original-")
|
||
(move-beginning-of-line nil))
|
||
(forward-line))
|
||
(insert (format ";; Version: %s" version))
|
||
(newline))
|
||
|
||
(defun pb/ensure-ends-here-line (file-path)
|
||
"Add a 'FILE-PATH ends here' trailing line if missing."
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(let* ((fname (file-name-nondirectory file-path))
|
||
(trailer (concat ";;; " fname " ends here")))
|
||
(unless (search-forward trailer nil t)
|
||
(goto-char (point-max))
|
||
(newline)
|
||
(insert trailer)
|
||
(newline)))))
|
||
|
||
(defun pb/get-package-info (file-path)
|
||
"Get a vector of package info from the docstrings in FILE-PATH."
|
||
(when (file-exists-p file-path)
|
||
(ignore-errors
|
||
(with-temp-buffer
|
||
(insert-file-contents file-path)
|
||
;; next few lines are a hack for some packages that aren't
|
||
;; commented properly.
|
||
(pb/update-or-insert-version "0")
|
||
(pb/ensure-ends-here-line file-path)
|
||
(cl-flet ((package-strip-rcs-id (str) "0"))
|
||
(pb/package-buffer-info-vec))))))
|
||
|
||
(defun pb/get-pkg-file-info (file-path)
|
||
"Get a vector of package info from \"-pkg.el\" file FILE-PATH."
|
||
(when (file-exists-p file-path)
|
||
(let ((package-def (pb/read-from-file file-path)))
|
||
(if (eq 'define-package (car package-def))
|
||
(let ((pkgfile-info (cdr package-def)))
|
||
(vector
|
||
(nth 0 pkgfile-info)
|
||
(mapcar
|
||
(lambda (elt)
|
||
(list (car elt) (version-to-list (cadr elt))))
|
||
(eval (nth 3 pkgfile-info)))
|
||
(nth 2 pkgfile-info)
|
||
(nth 1 pkgfile-info)))
|
||
(error "No define-package found in %s" file-path)))))
|
||
|
||
(defun pb/merge-package-info (pkg-info name version)
|
||
"Return a version of PKG-INFO updated with NAME, VERSION and info from CONFIG.
|
||
If PKG-INFO is nil, an empty one is created."
|
||
(let* ((merged (or (copy-sequence pkg-info)
|
||
(vector name nil "No description available." version))))
|
||
(aset merged 0 name)
|
||
(aset merged 3 version)
|
||
merged))
|
||
|
||
(defun pb/archive-entry (pkg-info type)
|
||
"Return the `cons' for the given package."
|
||
(let* ((name (intern (aref pkg-info 0)))
|
||
(requires (aref pkg-info 1))
|
||
(desc (or (aref pkg-info 2) "No description available."))
|
||
(version (aref pkg-info 3)))
|
||
(cons name
|
||
(vector (version-to-list version)
|
||
requires
|
||
desc
|
||
type))))
|
||
|
||
(defun pb/archive-file-name (archive-entry)
|
||
"Return the path of the file in which the package for ARCHIVE-ENTRY is stored."
|
||
(let* ((name (car archive-entry))
|
||
(pkg-info (cdr archive-entry))
|
||
(version (package-version-join (aref pkg-info 0)))
|
||
(flavour (aref pkg-info 3)))
|
||
(expand-file-name
|
||
(format "%s-%s.%s" name version (if (eq flavour 'single) "el" "tar"))
|
||
package-build-archive-dir)))
|
||
|
||
(defun pb/entry-file-name (archive-entry)
|
||
"Return the path of the file in which the package for ARCHIVE-ENTRY is stored."
|
||
(let* ((name (car archive-entry))
|
||
(pkg-info (cdr archive-entry))
|
||
(version (package-version-join (aref pkg-info 0))))
|
||
(expand-file-name
|
||
(format "%s-%s.entry" name version)
|
||
package-build-archive-dir)))
|
||
|
||
(defun pb/delete-file-if-exists (file)
|
||
"Delete FILE if it exists."
|
||
(when (file-exists-p file)
|
||
(delete-file file)))
|
||
|
||
(defun pb/remove-archive-files (archive-entry)
|
||
"Remove ARCHIVE-ENTRY from archive-contents, and delete associated file.
|
||
Note that the working directory (if present) is not deleted by
|
||
this function, since the archive list may contain another version
|
||
of the same-named package which is to be kept."
|
||
(pb/message "Removing archive: %s" archive-entry)
|
||
(mapcar 'pb/delete-file-if-exists
|
||
(list (pb/archive-file-name archive-entry)
|
||
(pb/entry-file-name archive-entry))))
|
||
|
||
(defun pb/read-recipe (file-name)
|
||
(let ((pkg-info (pb/read-from-file file-name)))
|
||
(if (string= (symbol-name (car pkg-info))
|
||
(file-name-nondirectory file-name))
|
||
pkg-info
|
||
(error "Recipe '%s' contains mismatched package name '%s'"
|
||
(file-name-nondirectory file-name)
|
||
(car pkg-info)))))
|
||
|
||
(defun pb/read-recipes ()
|
||
"Return a list of data structures for all recipes in `package-build-recipes-dir'."
|
||
(cl-loop for file-name in (directory-files package-build-recipes-dir t "^[^.]")
|
||
collect (pb/read-recipe file-name)))
|
||
|
||
(defun pb/read-recipes-ignore-errors ()
|
||
"Return a list of data structures for all recipes in `package-build-recipes-dir'."
|
||
(cl-loop for file-name in (directory-files package-build-recipes-dir t "^[^.]")
|
||
for pkg-info = (condition-case err (pb/read-recipe file-name)
|
||
(error (pb/message (error-message-string err))
|
||
nil))
|
||
when pkg-info
|
||
collect pkg-info))
|
||
|
||
|
||
(defun package-build-expand-file-specs (dir specs &optional subdir allow-empty)
|
||
"In DIR, expand SPECS, optionally under SUBDIR.
|
||
The result is a list of (SOURCE . DEST), where SOURCE is a source
|
||
file path and DEST is the relative path to which it should be copied.
|
||
|
||
If the resulting list is empty, an error will be reported. Pass t
|
||
for ALLOW-EMPTY to prevent this error."
|
||
(let ((default-directory dir)
|
||
(prefix (if subdir (format "%s/" subdir) ""))
|
||
(lst))
|
||
(dolist (entry specs lst)
|
||
(setq lst
|
||
(if (consp entry)
|
||
(if (eq :exclude (car entry))
|
||
(cl-nset-difference lst
|
||
(package-build-expand-file-specs dir (cdr entry) nil t)
|
||
:key 'car
|
||
:test 'equal)
|
||
(nconc lst
|
||
(package-build-expand-file-specs
|
||
dir
|
||
(cdr entry)
|
||
(concat prefix (car entry))
|
||
t)))
|
||
(nconc
|
||
lst (mapcar (lambda (f)
|
||
(let ((destname)))
|
||
(cons f
|
||
(concat prefix
|
||
(replace-regexp-in-string
|
||
"\\.in\\'"
|
||
""
|
||
(file-name-nondirectory f)))))
|
||
(file-expand-wildcards entry))))))
|
||
(when (and (null lst) (not allow-empty))
|
||
(error "No matching file(s) found in %s: %s" dir specs))
|
||
lst))
|
||
|
||
|
||
(defun pb/config-file-list (config)
|
||
"Get the :files spec from CONFIG, or return `package-build-default-files-spec'."
|
||
(or (plist-get config :files) package-build-default-files-spec))
|
||
|
||
(defun pb/expand-source-file-list (dir config)
|
||
"Shorthand way to expand paths in DIR for source files listed in CONFIG."
|
||
(mapcar 'car (package-build-expand-file-specs dir (pb/config-file-list config))))
|
||
|
||
(defun pb/generate-info-files (files source-dir target-dir)
|
||
"Create .info files from any .texi files listed in FILES in SOURCE-DIR in TARGET-DIR.
|
||
|
||
Deletes the .texi(nfo) files if they exist."
|
||
(dolist (spec files)
|
||
(let* ((source-file (car spec))
|
||
(dest-file (cdr spec))
|
||
(info-path (expand-file-name
|
||
(concat (file-name-sans-extension dest-file) ".info")
|
||
target-dir)))
|
||
(when (string-match ".texi\\(nfo\\)?$" source-file)
|
||
(when (not (file-exists-p info-path))
|
||
(with-current-buffer (get-buffer-create "*package-build-info*")
|
||
(ignore-errors
|
||
(pb/run-process
|
||
nil
|
||
"makeinfo"
|
||
(expand-file-name source-file source-dir)
|
||
"-o"
|
||
info-path)
|
||
(pb/message "Created %s" info-path))))
|
||
(pb/message "Removing %s" (expand-file-name dest-file target-dir))
|
||
(delete-file (expand-file-name dest-file target-dir))))))
|
||
|
||
(defun pb/generate-dir-file (files target-dir)
|
||
"Create dir file from any .info files listed in FILES in TARGET-DIR."
|
||
(dolist (spec files)
|
||
(let* ((source-file (car spec))
|
||
(dest-file (cdr spec))
|
||
(info-path (expand-file-name
|
||
(concat (file-name-sans-extension dest-file) ".info")
|
||
target-dir)))
|
||
(when (and (or (string-match ".info$" source-file)
|
||
(string-match ".texi\\(nfo\\)?$" source-file))
|
||
(file-exists-p info-path))
|
||
(with-current-buffer (get-buffer-create "*package-build-info*")
|
||
(ignore-errors
|
||
(pb/run-process
|
||
nil
|
||
"install-info"
|
||
(concat "--dir=" (expand-file-name "dir" target-dir))
|
||
info-path)))))))
|
||
|
||
(defun pb/copy-package-files (files source-dir target-dir)
|
||
"Copy FILES from SOURCE-DIR to TARGET-DIR.
|
||
FILES is a list of (SOURCE . DEST) relative filepath pairs."
|
||
(cl-loop for (source-file . dest-file) in files
|
||
do (pb/copy-file
|
||
(expand-file-name source-file source-dir)
|
||
(expand-file-name dest-file target-dir))))
|
||
|
||
(defun pb/copy-file (file newname)
|
||
"Copy FILE to NEWNAME and create parent directories for NEWNAME if they don't exist."
|
||
(let ((newdir (file-name-directory newname)))
|
||
(unless (file-exists-p newdir)
|
||
(make-directory newdir t)))
|
||
(cond
|
||
((file-regular-p file)
|
||
(pb/message "%s -> %s" file newname)
|
||
(copy-file file newname))
|
||
((file-directory-p file)
|
||
(pb/message "%s => %s" file newname)
|
||
(copy-directory file newname))))
|
||
|
||
|
||
(defun pb/package-name-completing-read ()
|
||
"Prompt for a package name, returning a symbol."
|
||
(intern (completing-read "Package: " (package-build-recipe-alist))))
|
||
|
||
(defun pb/find-source-file (target files)
|
||
"Search for source of TARGET in FILES."
|
||
(let* ((entry (rassoc target files)))
|
||
(when entry (car entry))))
|
||
|
||
(defun pb/find-package-file (name)
|
||
"Return the filename of the most recently built package of NAME."
|
||
(pb/archive-file-name (assoc name (package-build-archive-alist))))
|
||
|
||
(defun pb/package-buffer-info-vec ()
|
||
"Return a vector of package info.
|
||
`package-buffer-info' returns a vector in older Emacs versions,
|
||
and a cl struct in Emacs HEAD. This wrapper normalises the results."
|
||
(let ((desc (package-buffer-info)))
|
||
(if (fboundp 'package-desc-create)
|
||
(vector (package-desc-name desc)
|
||
(package-desc-reqs desc)
|
||
(package-desc-summary desc)
|
||
(package-desc-version desc))
|
||
desc)))
|
||
|
||
|
||
;;; Public interface
|
||
;;;###autoload
|
||
(defun package-build-archive (name)
|
||
"Build a package archive for package NAME."
|
||
(interactive (list (pb/package-name-completing-read)))
|
||
(let* ((file-name (symbol-name name))
|
||
(rcp (or (cdr (assoc name (package-build-recipe-alist)))
|
||
(error "Cannot find package %s" file-name)))
|
||
(pkg-working-dir
|
||
(file-name-as-directory
|
||
(expand-file-name file-name package-build-working-dir))))
|
||
|
||
|
||
(pb/message "\n;;; %s\n" file-name)
|
||
(let* ((version (package-build-checkout name rcp pkg-working-dir))
|
||
(default-directory package-build-working-dir)
|
||
(start-time (current-time))
|
||
(archive-entry (package-build-package (symbol-name name)
|
||
version
|
||
(pb/config-file-list rcp)
|
||
pkg-working-dir
|
||
package-build-archive-dir)))
|
||
(pb/dump archive-entry (pb/entry-file-name archive-entry))
|
||
(pb/message "Built in %.3fs, finished at %s"
|
||
(time-to-seconds (time-since start-time))
|
||
(current-time-string))
|
||
file-name)))
|
||
|
||
;;;###autoload
|
||
(defun package-build-package (package-name version file-specs source-dir target-dir)
|
||
"Create PACKAGE-NAME with VERSION using FILE-SPECS to gather files from SOURCE-DIR.
|
||
|
||
The resulting package will be stored as a .el or .tar file in
|
||
TARGET-DIR, depending on whether there are multiple files.
|
||
|
||
Argument FILE-SPECS is a list of specs for source files, which
|
||
should be relative to SOURCE-DIR. The specs can be wildcards,
|
||
and optionally specify different target paths. They extended
|
||
syntax is currently only documented in the MELPA README. You can
|
||
simply pass `package-build-default-files-spec' in most cases.
|
||
|
||
Returns the archive entry for the package."
|
||
(when (symbolp package-name)
|
||
(setq package-name (symbol-name package-name)))
|
||
(let ((files (package-build-expand-file-specs source-dir file-specs)))
|
||
(cond
|
||
((not version)
|
||
(error "Unable to check out repository for %s" package-name))
|
||
((= 1 (length files))
|
||
(let* ((pkg-source (expand-file-name (caar files) source-dir))
|
||
(pkg-target (expand-file-name
|
||
(concat package-name "-" version ".el")
|
||
target-dir))
|
||
(pkg-info (pb/merge-package-info
|
||
(pb/get-package-info pkg-source)
|
||
package-name
|
||
version)))
|
||
(unless (string-equal (downcase (concat package-name ".el"))
|
||
(downcase (file-name-nondirectory pkg-source)))
|
||
(error "Single file %s does not match package name %s"
|
||
(file-name-nondirectory pkg-source) package-name))
|
||
(when (file-exists-p pkg-target)
|
||
(delete-file pkg-target t))
|
||
(copy-file pkg-source pkg-target)
|
||
(let ((enable-local-variables nil)
|
||
(make-backup-files nil))
|
||
(with-current-buffer (find-file pkg-target)
|
||
(pb/update-or-insert-version version)
|
||
(pb/ensure-ends-here-line pkg-source)
|
||
(write-file pkg-target nil)
|
||
(condition-case err
|
||
(pb/package-buffer-info-vec)
|
||
(error
|
||
(pb/message "Warning: %S" err)))
|
||
(kill-buffer)))
|
||
|
||
(pb/write-pkg-readme (and (> (length pkg-info) 4) (aref pkg-info 4))
|
||
package-name)
|
||
(pb/archive-entry pkg-info 'single)))
|
||
((< 1 (length files))
|
||
(let* ((tmp-dir (file-name-as-directory (make-temp-file package-name t)))
|
||
(pkg-dir-name (concat package-name "-" version))
|
||
(pkg-tmp-dir (expand-file-name pkg-dir-name tmp-dir))
|
||
(pkg-file (concat package-name "-pkg.el"))
|
||
(pkg-file-source (or (pb/find-source-file pkg-file files)
|
||
pkg-file))
|
||
(file-source (concat package-name ".el"))
|
||
(pkg-source (or (pb/find-source-file file-source files)
|
||
file-source))
|
||
(pkg-info (pb/merge-package-info
|
||
(let ((default-directory source-dir))
|
||
(or (pb/get-pkg-file-info pkg-file-source)
|
||
;; some packages (like magit) provide name-pkg.el.in
|
||
(pb/get-pkg-file-info
|
||
(expand-file-name (concat pkg-file ".in")
|
||
(file-name-directory pkg-source)))
|
||
(pb/get-package-info pkg-source)))
|
||
package-name
|
||
version)))
|
||
|
||
|
||
(pb/copy-package-files files source-dir pkg-tmp-dir)
|
||
(pb/write-pkg-file (expand-file-name pkg-file
|
||
(file-name-as-directory pkg-tmp-dir))
|
||
pkg-info)
|
||
|
||
(pb/generate-info-files files source-dir pkg-tmp-dir)
|
||
(pb/generate-dir-file files pkg-tmp-dir)
|
||
|
||
(let ((default-directory tmp-dir))
|
||
(pb/create-tar (expand-file-name (concat package-name "-" version ".tar")
|
||
target-dir)
|
||
pkg-dir-name))
|
||
|
||
(let ((default-directory source-dir))
|
||
(pb/write-pkg-readme (pb/find-package-commentary pkg-source)
|
||
package-name))
|
||
|
||
(delete-directory pkg-tmp-dir t nil)
|
||
(pb/archive-entry pkg-info 'tar)))
|
||
|
||
(t (error "Unable to find files matching recipe patterns")))))
|
||
|
||
|
||
|
||
;;; Helpers for recipe authors
|
||
|
||
(defvar package-build-minor-mode-map
|
||
(let ((m (make-sparse-keymap)))
|
||
(define-key m (kbd "C-c C-c") 'package-build-current-recipe)
|
||
m)
|
||
"Keymap for `package-build-minor-mode'.")
|
||
|
||
(define-minor-mode package-build-minor-mode
|
||
"Helpful functionality for building packages."
|
||
nil
|
||
" PBuild"
|
||
package-build-minor-mode-map)
|
||
|
||
;;;###autoload
|
||
(defun package-build-create-recipe (name fetcher)
|
||
"Create a new recipe for package NAME using FETCHER."
|
||
(interactive
|
||
(list (intern (read-string "Package name: "))
|
||
(intern
|
||
(let ((fetcher-types (mapcar #'symbol-name '(github git wiki bzr hg cvs svn))))
|
||
(completing-read
|
||
"Fetcher: "
|
||
fetcher-types
|
||
nil t nil nil (car fetcher-types))))))
|
||
(let ((recipe-file (expand-file-name (symbol-name name) package-build-recipes-dir)))
|
||
(when (file-exists-p recipe-file)
|
||
(error "Recipe already exists"))
|
||
(find-file recipe-file)
|
||
(let* ((extra-params
|
||
(cond
|
||
((eq 'github fetcher) '(:repo "USER/REPO"))
|
||
((eq 'wiki fetcher) '())
|
||
(t '(:url "SCM_URL_HERE"))))
|
||
(template `(,name :fetcher ,fetcher ,@extra-params)))
|
||
(insert (pp-to-string template))
|
||
(emacs-lisp-mode)
|
||
(package-build-minor-mode)
|
||
(beginning-of-buffer))))
|
||
|
||
;;;###autoload
|
||
(defun package-build-current-recipe ()
|
||
"Build archive for the recipe defined in the current buffer."
|
||
(interactive)
|
||
(unless (and (buffer-file-name)
|
||
(string-equal (file-name-directory (buffer-file-name))
|
||
package-build-recipes-dir))
|
||
(error "Buffer is not visiting a recipe"))
|
||
(when (buffer-modified-p)
|
||
(if (y-or-n-p (format "Save file %s? " buffer-file-name))
|
||
(save-buffer)
|
||
(error "Aborting")))
|
||
(check-parens)
|
||
(package-build-reinitialize)
|
||
(let ((pkg-name (intern (file-name-nondirectory (buffer-file-name)))))
|
||
(package-build-archive pkg-name)
|
||
(package-build-dump-archive-contents)
|
||
(with-output-to-temp-buffer "*package-build-result*"
|
||
(pp (assoc pkg-name (package-build-archive-alist))))
|
||
(when (yes-or-no-p "Install new package? ")
|
||
(package-install-file (pb/find-package-file pkg-name)))))
|
||
|
||
(defun package-build-archive-ignore-errors (pkg)
|
||
"Build archive for package PKG, ignoring any errors."
|
||
(interactive (list (pb/package-name-completing-read)))
|
||
(let* ((debug-on-error t)
|
||
(debug-on-signal t)
|
||
(pb/debugger-return nil)
|
||
(debugger (lambda (&rest args)
|
||
(setq pb/debugger-return (with-output-to-string
|
||
(backtrace))))))
|
||
(condition-case err
|
||
(package-build-archive pkg)
|
||
(error
|
||
(pb/message "%s" (error-message-string err))
|
||
nil))))
|
||
|
||
|
||
|
||
;;;###autoload
|
||
(defun package-build-all ()
|
||
"Build all packages in the `package-build-recipe-alist'."
|
||
(interactive)
|
||
(let ((failed (cl-loop for pkg in (mapcar 'car (package-build-recipe-alist))
|
||
when (not (package-build-archive-ignore-errors pkg))
|
||
collect pkg)))
|
||
(if (not failed)
|
||
(princ "\nSuccessfully Compiled All Packages\n")
|
||
(princ "\nFailed to Build the Following Packages\n")
|
||
(princ (mapconcat 'symbol-name failed "\n"))
|
||
(princ "\n")))
|
||
(package-build-cleanup))
|
||
|
||
(defun package-build-cleanup ()
|
||
"Remove previously-built packages that no longer have recipes."
|
||
(interactive)
|
||
(let* ((known-package-names (mapcar 'car (package-build-recipe-alist)))
|
||
(stale-archives (cl-loop for built in (pb/archive-entries)
|
||
when (not (memq (car built) known-package-names))
|
||
collect built)))
|
||
(mapc 'pb/remove-archive-files stale-archives)
|
||
(package-build-dump-archive-contents)))
|
||
|
||
(defun package-build-recipe-alist ()
|
||
"Retun the list of avalailable packages."
|
||
(unless pb/recipe-alist-initialized
|
||
(setq pb/recipe-alist (pb/read-recipes-ignore-errors)
|
||
pb/recipe-alist-initialized t))
|
||
pb/recipe-alist)
|
||
|
||
(defun package-build-archive-alist ()
|
||
"Return the archive list."
|
||
(cdr (pb/read-from-file
|
||
(expand-file-name "archive-contents"
|
||
package-build-archive-dir))))
|
||
|
||
(defun package-build-reinitialize ()
|
||
(interactive)
|
||
(setq pb/recipe-alist-initialized nil))
|
||
|
||
(defun package-build-dump-archive-contents (&optional fn)
|
||
"Dump the list of built packages back to the archive-contents file."
|
||
(unless fn
|
||
(setq fn (expand-file-name "archive-contents" package-build-archive-dir)))
|
||
(pb/dump (cons 1 (pb/archive-entries)) fn))
|
||
|
||
(defun pb/archive-entries ()
|
||
"Read all .entry files from the archive directory and return a list of all entries."
|
||
(let ((entries '()))
|
||
(dolist (new (mapcar 'pb/read-from-file
|
||
(directory-files package-build-archive-dir t
|
||
".*\.entry$"))
|
||
entries)
|
||
(let ((old (assq (car new) entries)))
|
||
(when old
|
||
(when (version-list-< (package-desc-vers (cdr new))
|
||
(package-desc-vers (cdr old)))
|
||
;; swap old and new
|
||
(cl-rotatef old new))
|
||
(pb/remove-archive-files old)
|
||
(setq entries (remove old entries)))
|
||
(add-to-list 'entries new)))))
|
||
|
||
|
||
;; Utility functions
|
||
(require 'json)
|
||
(load (expand-file-name "json-fix" pb/this-dir) nil 'nomessage)
|
||
|
||
(defun package-build-recipe-alist-as-json (fn)
|
||
(interactive)
|
||
(with-temp-file fn
|
||
(insert (json-encode (package-build-recipe-alist)))))
|
||
|
||
(defun package-build-archive-alist-as-json (fn)
|
||
(interactive)
|
||
(with-temp-file fn
|
||
(insert (json-encode (package-build-archive-alist)))))
|
||
|
||
|
||
(provide 'package-build)
|
||
|
||
;; Local Variables:
|
||
;; coding: utf-8
|
||
;; eval: (checkdoc-minor-mode 1)
|
||
;; End:
|
||
|
||
;;; package-build.el ends here
|