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melpa/package-build.el
Donald Curtis e20c3159ec default head branch to "master"
2012-09-16 19:23:39 -05:00

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;;; package-build.el --- Tools for curating the package archive
;; Copyright (C) 2011-2012 Donald Ephraim Curtis <dcurtis@milkbox.net>
;; Copyright (C) 2012 Steve Purcell <steve@sanityinc.com>
;; Copyright (C) 2009 Phil Hagelberg <technomancy@gmail.com>
;; Author: Donald Ephraim Curtis <dcurtis@milkbox.net>
;; Created: 2011-09-30
;; Version: 0.1
;; Keywords: tools
;; This file is not (yet) part of GNU Emacs.
;; However, it is distributed under the same license.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This file allows a curator to publish an archive of Emacs packages.
;; The archive is generated from an index, which contains a list of
;; projects and repositories from which to get them. The term
;; "package" here is used to mean a specific version of a project that
;; is prepared for download and installation.
;;; Code:
;; Since this library is not meant to be loaded by users
;; at runtime, use of cl functions should not be a problem.
(require 'cl)
(require 'package)
(defcustom package-build-working-dir (expand-file-name "working/")
"Directory in which to keep checkouts."
:group 'package-build
:type 'string)
(defcustom package-build-archive-dir (expand-file-name "packages/")
"Directory in which to keep compiled archives."
:group 'package-build
:type 'string)
(defcustom package-build-recipes-dir (expand-file-name "recipes/")
"Directory containing recipe files."
:group 'package-build
:type 'string)
(defvar package-build-alist nil
"List of package build specs.")
(defvar package-build-archive-alist nil
"List of already-built packages, in the standard package.el format.")
;;; Internal functions
(defun pb/slurp-file (file-name)
"Return the contents of FILE-NAME as a string, or nil if no such file exists."
(when (file-exists-p file-name)
(with-temp-buffer
(insert-file-contents-literally file-name)
(buffer-substring-no-properties (point-min) (point-max)))))
(defun pb/string-rtrim (str)
"Remove trailing whitespace from `STR'."
(replace-regexp-in-string "[ \t\n]*$" "" str))
(defun pb/parse-time (str)
"Parse STR as a time, and format as a YYYYMMDD.HHMM string."
;; We remove zero-padding the HH portion, as it is lost
;; when stored in the archive-contents
(let ((time (date-to-time (substring-no-properties str))))
(concat (format-time-string "%Y%m%d." time)
(format "%d" (or (parse-integer (format-time-string "%H%M" time)) 0)))))
(defun pb/string-match-all (regex str &optional group)
"Find every match for `REGEX' within `STR', returning the full match string or group `GROUP'."
(let (result
(pos 0)
(group (or group 0)))
(while (string-match regex str pos)
(push (match-string group str) result)
(setq pos (match-end group)))
result))
(defun pb/find-parse-time (regex &optional bound)
"Find REGEX in current buffer and format as a time version, optionally looking only as far as BOUND."
(pb/parse-time (progn (re-search-backward regex bound)
(match-string-no-properties 1))))
(defun pb/find-parse-time-latest (regex &optional bound)
"Find the latest timestamp matching REGEX, optionally looking only as far as BOUND."
(let* ((text (buffer-substring-no-properties
(or bound (point-min)) (point)))
(times (mapcar 'pb/parse-time (pb/string-match-all regex text 1))))
(car (nreverse (sort times 'string<)))))
(defun pb/run-process (dir prog &rest args)
"In DIR (or `default-directory' if unset) run command PROG with ARGS.
Output is written to the current buffer."
(let ((default-directory (or dir default-directory)))
(let ((exit-code (apply 'process-file prog nil (current-buffer) t args)))
(unless (zerop exit-code)
(error "Program '%s' with args '%s' exited with non-zero status %d"
prog args exit-code)))))
(defun pb/run-process-match (regex dir prog &rest args)
"Find match for REGEX when - in DIR, or `default-directory' if unset - we run PROG with ARGS."
(with-temp-buffer
(apply 'pb/run-process dir prog args)
(goto-char (point-min))
(re-search-forward regex)
(match-string-no-properties 1)))
(defun pb/checkout (name config cwd)
"Check out source for package NAME with CONFIG under working dir CWD.
In turn, this function uses the :fetcher option in the config to
choose a source-specific fetcher function, which it calls with
the same arguments."
(let ((repo-type (plist-get config :fetcher)))
(message (format "%s " repo-type))
(unless (eq 'wiki repo-type)
(message (format "%s\n"
(or (plist-get config :repo) (plist-get config :url)))))
(funcall (intern (format "pb/checkout-%s" repo-type))
name config cwd)))
(defvar pb/last-wiki-fetch-time 0
"The time at which an emacswiki URL was last requested.
This is used to avoid exceeding the rate limit of 1 request per 2
seconds; the server cuts off after 10 requests in 20 seconds.")
(defvar pb/wiki-min-request-interval 2
"The shortest permissible interval between successive requests for Emacswiki URLs.")
(defmacro pb/with-wiki-rate-limit (&rest body)
"Rate-limit BODY code passed to this macro to match EmacsWiki's rate limiting."
(let ((now (gensym))
(elapsed (gensym)))
`(let* ((,now (float-time))
(,elapsed (- ,now pb/last-wiki-fetch-time)))
(when (< ,elapsed pb/wiki-min-request-interval)
(let ((wait (- pb/wiki-min-request-interval ,elapsed)))
(message "Waiting %.2f secs before hitting Emacswiki again" wait)
(sleep-for wait)))
(unwind-protect
(progn ,@body)
(setq pb/last-wiki-fetch-time (float-time))))))
(defun pb/grab-wiki-file (filename)
"Download FILENAME from emacswiki, returning its last-modified time."
(let* ((download-url
(format "http://www.emacswiki.org/emacs/download/%s" filename))
(wiki-url
(format "http://www.emacswiki.org/emacs/%s" filename)))
(pb/with-wiki-rate-limit
(url-copy-file download-url filename t))
(when (zerop (nth 7 (file-attributes filename)))
(error "Wiki file %s was empty - has it been removed?" filename))
(with-current-buffer (pb/with-wiki-rate-limit
(url-retrieve-synchronously wiki-url))
(message (format "%s\n" download-url))
(pb/find-parse-time
"Last edited \\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} [0-9]\\{2\\}:[0-9]\\{2\\} [A-Z]\\{3\\}\\)"))))
(defun pb/checkout-wiki (name config dir)
"Checkout package NAME with config CONFIG from the EmacsWiki into DIR."
(with-current-buffer (get-buffer-create "*package-build-checkout*")
(unless (file-exists-p dir)
(make-directory dir))
(let ((files (or (plist-get config :files)
(list (format "%s.el" name))))
(default-directory dir))
(car (nreverse (sort (mapcar 'pb/grab-wiki-file files) 'string-lessp))))))
(defun pb/darcs-repo (dir)
"Get the current darcs repo for DIR."
(pb/run-process-match "Default Remote: \\(.*\\)" dir "darcs" "show" "repo"))
(defun pb/checkout-darcs (name config dir)
"Check package NAME with config CONFIG out of darcs into DIR."
(let ((repo (plist-get config :url)))
(with-current-buffer (get-buffer-create "*package-build-checkout*")
(cond
((and (file-exists-p (expand-file-name "_darcs" dir))
(string-equal (pb/darcs-repo dir) repo))
(pb/princ-exists dir)
(pb/run-process dir "darcs" "pull"))
(t
(when (file-exists-p dir)
(delete-directory dir t nil))
(pb/princ-checkout repo dir)
(pb/run-process nil "darcs" "get" repo dir)))
(apply 'pb/run-process dir "darcs" "changes" "--max-count" "1"
(pb/expand-source-file-list dir config))
(pb/find-parse-time
"\\([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\\}\\)"))))
(defun pb/svn-repo (dir)
"Get the current svn repo for DIR."
(pb/run-process-match "URL: \\(.*\\)" dir "svn" "info"))
(defun pb/trim (str &optional chr)
"Return a copy of STR without any trailing CHR (or space if unspecified)."
(if (equal (elt str (1- (length str))) (or chr ? ))
(substring str 0 (1- (length str)))
str))
(defun pb/princ-exists (dir)
"Print a message that the contents of DIR will be updated."
(message (format "updating %s\n" dir)))
(defun pb/princ-checkout (repo dir)
"Print a message that REPO will be checked out into DIR."
(message (format "cloning %s to %s\n" repo dir)))
(defun pb/checkout-svn (name config dir)
"Check package NAME with config CONFIG out of svn into DIR."
(with-current-buffer (get-buffer-create "*package-build-checkout*")
(let ((repo (pb/trim (plist-get config :url) ?/))
(bound (goto-char (point-max))))
(cond
((and (file-exists-p (expand-file-name ".svn" dir))
(string-equal (pb/svn-repo dir) repo))
(pb/princ-exists dir)
(pb/run-process dir "svn" "up"))
(t
(when (file-exists-p dir)
(delete-directory dir t nil))
(pb/princ-checkout repo dir)
(pb/run-process nil "svn" "checkout" repo dir)))
(apply 'pb/run-process dir "svn" "info"
(pb/expand-source-file-list dir config))
(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\\}\\)" bound)
(error "No valid timestamps found!")))))
(defun pb/cvs-repo (dir)
"Get the current CVS root and repository for DIR.
Return a cons cell whose `car' is the root and whose `cdr' is the repository."
(apply 'cons
(mapcar (lambda (file)
(pb/string-rtrim (pb/slurp-file (expand-file-name file dir))))
'("CVS/Root" "CVS/Repository"))))
(defun pb/checkout-cvs (name config dir)
"Check package NAME with config CONFIG out of csv into DIR."
(with-current-buffer (get-buffer-create "*package-build-checkout*")
(let ((root (pb/trim (plist-get config :url) ?/))
(repo (or (plist-get config :module) (symbol-name name)))
(bound (goto-char (point-max))))
(cond
((and (file-exists-p (expand-file-name "CVS" dir))
(equal (pb/cvs-repo dir) (cons root repo)))
(pb/princ-exists dir)
(pb/run-process dir "cvs" "update" "-dP"))
(t
(when (file-exists-p dir)
(delete-directory dir t nil))
(pb/princ-checkout (format "%s from %s" repo root) dir)
;; CVS insists on relative paths as target directory for checkout (for
;; whatever reason), and puts "CVS" directories into every subdirectory
;; of the current working directory given in the target path. To get CVS
;; to just write to DIR, we need to execute CVS from the parent
;; directory of DIR, and specific DIR as relative path. Hence all the
;; following mucking around with paths. CVS is really horrid.
(let* ((dir (directory-file-name dir))
(working-dir (file-name-directory dir))
(target-dir (file-name-nondirectory dir)))
(pb/run-process working-dir "cvs" "-z3" "-d" root "checkout"
"-d" target-dir repo))))
(apply 'pb/run-process dir "cvs" "log"
(pb/expand-source-file-list dir config))
(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]\\{2\\}[0-9]\\{2\\}\\)")
(error "No valid timestamps found!"))
)))
(defun pb/git-repo (dir)
"Get the current git repo for DIR."
(pb/run-process-match
"Fetch URL: \\(.*\\)" dir "git" "remote" "show" "-n" "origin"))
(defun pb/git-head-branch (dir)
"Get the current git repo for DIR."
(or (ignore-errors
(pb/run-process-match
"HEAD branch: \\(.*\\)" dir "git" "remote" "show" "origin"))
"master"))
(defun pb/checkout-git (name config dir)
"Check package NAME with config CONFIG out of git into DIR."
(let ((repo (plist-get config :url))
(commit (plist-get config :commit)))
(with-current-buffer (get-buffer-create "*package-build-checkout*")
(goto-char (point-max))
(cond
((and (file-exists-p (expand-file-name ".git" dir))
(string-equal (pb/git-repo dir) repo))
(pb/princ-exists dir)
(pb/run-process dir "git" "remote" "update"))
(t
(when (file-exists-p dir)
(delete-directory dir t nil))
(pb/princ-checkout repo dir)
(pb/run-process nil "git" "clone" repo dir)))
(pb/run-process dir "git" "reset" "--hard"
(or commit (concat "origin/" (pb/git-head-branch dir))))
(apply 'pb/run-process dir "git" "log" "-n1" "--pretty=format:'\%ci'"
(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\\}\\)"))))
(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\\}\\)"))))
(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\\}\\)"))))
(defun pb/dump (data file)
"Write DATA to FILE as a pretty-printed Lisp sexp."
(write-region (concat (pp-to-string data) "\n") nil file))
(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))
(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.
The file is written to `package-build-working-dir'."
(let* ((default-directory package-build-working-dir))
(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/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.
(goto-char (point-min))
(forward-line)
(insert ";;; Version: 0")
(newline)
(goto-char (point-max))
(newline)
(insert ";;; " (file-name-nondirectory file-path) " ends here")
(flet ((package-strip-rcs-id (str) "0"))
(package-buffer-info))))))
(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 config)
"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-seq pkg-info)
(vector name nil "No description available." version))))
(aset merged 0 name)
(aset merged 2 (format "%s [source: %s]"
(aref merged 2) (plist-get config :fetcher)))
(aset merged 3 version)
merged))
(defun pb/dump-archive-contents ()
"Dump the list of built packages back to the archive-contents file."
(pb/dump (cons 1 package-build-archive-alist)
(expand-file-name "archive-contents"
package-build-archive-dir)))
(defun pb/add-to-archive-contents (pkg-info type)
"Add the built archive with info PKG-INFO and TYPE to `package-build-archive-alist'."
(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))
(existing (assq name package-build-archive-alist)))
(when existing
(setq package-build-archive-alist
(delq existing package-build-archive-alist)))
(add-to-list 'package-build-archive-alist
(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."
(expand-file-name (format "%s-%s.%s"
(car archive-entry)
(car (aref (cdr archive-entry) 0))
(if (eq 'single (aref (cdr archive-entry) 3))
"el"
"tar"))
package-build-archive-dir))
(defun pb/remove-archive (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."
(print (format "Removing archive: %s" archive-entry))
(let ((archive-file (pb/archive-file-name archive-entry)))
(when (file-exists-p archive-file)
(delete-file archive-file)))
(setq package-build-archive-alist
(remove archive-entry package-build-archive-alist))
(pb/dump-archive-contents))
(defun pb/read-recipes ()
"Return a list of data structures for all recipes in `package-build-recipes-dir'."
(mapcar 'pb/read-from-file
(directory-files package-build-recipes-dir t "^[^.]")))
(defun pb/expand-file-specs (dir specs &optional subdir)
"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."
(let ((default-directory dir)
(prefix (if subdir
(format "%s/" subdir)
"")))
(mapcan
(lambda (entry)
(if (consp entry)
(pb/expand-file-specs dir
(cdr entry)
(concat prefix (car entry)))
(mapcar (lambda (f)
(cons f (concat prefix (file-name-nondirectory f))))
(or (file-expand-wildcards entry)
(error "No matching file(s) found in %s: %s"
dir
entry)))))
specs)))
(defun pb/expand-config-file-list (dir config)
"In DIR, expand the :files for CONFIG using 'pb/expand-file-specs."
(pb/expand-file-specs dir (or (plist-get config :files) (list "*.el"))))
(defun pb/expand-source-file-list (dir config)
"Shorthand way to expand paths in DIR for source files listed in CONFIG."
(mapcar 'car (pb/expand-config-file-list dir config)))
(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."
(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)
(message "%s -> %s" file newname)
(copy-file file newname))
((file-directory-p file)
(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-alist)))
(defun pb/find-source-file (target files)
"Search for source of TARGET in FILES."
(let* ((entry (rassoc target files)))
(when entry (car entry))))
;;; 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))
(cfg (or (cdr (assoc name package-build-alist))
(error "Cannot find package %s" file-name)))
(pkg-cwd
(file-name-as-directory
(expand-file-name file-name package-build-working-dir))))
(message (format "\n;;; %s\n" file-name))
(let* ((version (pb/checkout name cfg pkg-cwd))
(files (pb/expand-config-file-list pkg-cwd cfg))
(default-directory package-build-working-dir))
(cond
((not version)
(message "Unable to check out repository for %s" name))
((= 1 (length files))
(let* ((pkg-source (expand-file-name (caar files) pkg-cwd))
(pkg-target (expand-file-name
(concat file-name "-" version ".el")
package-build-archive-dir))
(pkg-info (pb/merge-package-info
(pb/get-package-info pkg-source)
file-name
version
cfg)))
(when (file-exists-p pkg-target)
(delete-file pkg-target t))
(copy-file pkg-source pkg-target)
(pb/add-to-archive-contents pkg-info 'single)))
((< 1 (length files))
(let* ((pkg-dir (concat file-name "-" version))
(pkg-file (concat file-name "-pkg.el"))
(pkg-file-source (or (pb/find-source-file pkg-file files)
pkg-file))
(pkg-info
(pb/merge-package-info
(let ((default-directory pkg-cwd))
(or (pb/get-pkg-file-info pkg-file-source)
;; some packages (like magit) provide name-pkg.el.in
(pb/get-pkg-file-info (concat pkg-file ".in"))
(pb/get-package-info (concat file-name ".el"))))
file-name
version
cfg)))
(when (file-exists-p pkg-dir)
(delete-directory pkg-dir t nil))
(pb/copy-package-files files pkg-cwd pkg-dir)
(pb/write-pkg-file (expand-file-name pkg-file
(file-name-as-directory
(expand-file-name
pkg-dir
package-build-working-dir)))
pkg-info)
(pb/create-tar
(expand-file-name
(concat file-name "-" version ".tar") package-build-archive-dir)
pkg-dir
(delete-dups (append (mapcar 'cdr files) (list pkg-file))))
(delete-directory pkg-dir t nil)
(pb/add-to-archive-contents pkg-info 'tar)))
(t (error "Unable to find files matching recipe patterns")))
(pb/dump-archive-contents)
file-name)))
;;;###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")))
(package-build-initialize)
(package-build-archive (intern (file-name-nondirectory (buffer-file-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
(message "%s" (error-message-string err))
nil))))
;;;###autoload
(defun package-build-all ()
"Build all packages in the `package-build-alist'."
(interactive)
(let ((failed (loop for pkg in (mapcar 'car package-build-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-alist))
(stale-archives (loop for built in package-build-archive-alist
when (not (memq (car built) known-package-names))
collect built)))
(mapc 'pb/remove-archive stale-archives)))
(defun package-build-initialize ()
"Load the recipe and archive-contents files."
(interactive)
(setq package-build-alist (pb/read-recipes)
package-build-archive-alist
(cdr (pb/read-from-file
(expand-file-name "archive-contents"
package-build-archive-dir)))))
(package-build-initialize)
;; Utility functions
(autoload 'json-encode "json")
(eval-after-load 'json '(load (expand-file-name "json-fix")))
(defun package-build-alist-as-json (fn)
(interactive)
(with-temp-file fn
(insert (json-encode package-build-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
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