-;;; archive-contents.el --- Auto-generate the `archive-contents' file -*- lexical-binding: t -*-
+;;; archive-contents.el --- Auto-generate an Emacs Lisp package archive.
;; Copyright (C) 2011 Free Software Foundation, Inc
(defconst archive-contents-subdirectory-regexp
"\\([^.].*?\\)-\\([0-9]+\\(?:[.][0-9]+\\|\\(?:pre\\|beta\\|alpha\\)[0-9]+\\)*\\)")
-(defun archive-contents--convert-require (elt)
+(defconst archive-re-no-dot "\\`\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*"
+ "Regular expression matching all files except \".\" and \"..\".")
+
+(defun archive--convert-require (elt)
(list (car elt)
(version-to-list (car (cdr elt)))))
-(defun batch-make-archive-contents ()
+(defun archive--strip-rcs-id (str)
+ "Strip RCS version ID from the version string STR.
+If the result looks like a dotted numeric version, return it.
+Otherwise return nil."
+ (when str
+ (when (string-match "\\`[ \t]*[$]Revision:[ \t]+" str)
+ (setq str (substring str (match-end 0))))
+ (condition-case nil
+ (if (version-to-list str)
+ str)
+ (error nil))))
+
+(defun archive--delete-elc-files (dir)
+ "Recursively delete all .elc files in DIR.
+Delete backup files also."
+ (dolist (f (directory-files dir t archive-re-no-dot))
+ (cond ((file-directory-p f)
+ (archive--delete-elc-files f))
+ ((or (string-match "\\.elc\\'" f)
+ (backup-file-name-p f))
+ (delete-file f)))))
+
+(defun batch-make-archive ()
+ "Process package content directories and generate the archive-contents file."
(let ((packages '(1))) ; format-version.
- (dolist (file (directory-files default-directory))
- (pcase file
- ((or `"." `".." `"elpa.rss" `"archive-contents") nil)
- ((pred file-directory-p)
- (if (not (string-match (concat archive-contents-subdirectory-regexp "\\'")
- file))
- (message "Unknown package directory name format %s" file)
- (let* ((pkg (match-string 1 file))
- (vers (match-string 2 file))
- (exp
- (with-temp-buffer
- (insert-file-contents
- (expand-file-name (concat pkg "-pkg.el") file))
- (goto-char (point-min))
- (read (current-buffer))))
- (req (mapcar 'archive-contents--convert-require
- (nth 4 exp)))
- (readme (expand-file-name "README" file)))
- (when (file-exists-p readme)
- (copy-file readme
- (concat pkg "-readme.txt")
- 'ok-if-already-exists))
- (unless (equal (nth 1 exp) pkg)
- (message "Package name %s doesn't match file name %s"
- (nth 1 exp) file))
- (unless (equal (nth 2 exp) vers)
- (message "Package version %s doesn't match file name %s"
- (nth 2 exp) file))
- (push (cons (intern pkg)
- (vector (version-to-list vers)
- req
- (nth 3 exp)
- 'tar))
- packages))))
- ;; Simple package
- ((pred (string-match "\\.el\\'"))
- (if (not (string-match "-\\([0-9.]+\\)\\.el\\'" file))
- (message "Unknown package file name format %s" file)
- (let* ((pkg (substring file 0 (match-beginning 0)))
- (vers (match-string 1 file))
- (desc
- (with-temp-buffer
- (insert-file-contents file)
- (goto-char (point-min))
- (if (not (looking-at ";;;.*---[ \t]*\\(.*\\)\\(-\\*-.*-\\*-[ \t]*\\)?$"))
- (message "Incorrectly formatted header in %s" file)
- (prog1 (match-string 1)
- (let ((commentary (lm-commentary)))
- (with-current-buffer (find-file-noselect
- (concat pkg "-readme.txt"))
- (erase-buffer)
- (emacs-lisp-mode)
- (insert (or commentary
- (prog1 "No description"
- (message "Missing Commentary in %s"
- file))))
- (goto-char (point-min))
- (while (looking-at ";*[ \t]*\\(commentary[: \t]*\\)?\n")
- (delete-region (match-beginning 0)
- (match-end 0)))
- (uncomment-region (point-min) (point-max))
- (goto-char (point-max))
- (while (progn (forward-line -1)
- (looking-at "[ \t]*\n"))
- (delete-region (match-beginning 0)
- (match-end 0)))
- (save-buffer)))))))
- (requires-str (lm-header "package-requires"))
- (req (if requires-str
- (mapcar 'archive-contents--convert-require
- (car (read-from-string requires-str))))))
- (push (cons (intern pkg)
- (vector (version-to-list vers)
- req
- desc
- 'single))
- packages))))
- ((pred (string-match "\\.elc\\'")) nil)
- ((pred (string-match "-readme\\.txt\\'")) nil)
- (t
- (message "Unknown file %s" file))))
- (with-current-buffer (find-file-noselect "archive-contents")
- (erase-buffer)
+ (dolist (dir (directory-files default-directory nil archive-re-no-dot))
+ (condition-case v
+ (if (not (file-directory-p dir))
+ (error "Skipping non-package file %s" dir)
+ (let* ((pkg (file-name-nondirectory dir))
+ (autoloads-file (expand-file-name (concat pkg "-autoloads.el") dir))
+ simple-p)
+ ;; Omit autoloads and .elc files from the package.
+ (if (file-exists-p autoloads-file)
+ (delete-file autoloads-file))
+ (archive--delete-elc-files dir)
+ ;; Test whether this is a simple or multi-file package.
+ (setq simple-p (archive--simple-package-p dir pkg))
+ (push (if simple-p
+ (apply 'archive--process-simple-package
+ dir pkg simple-p)
+ (archive--process-multi-file-package dir pkg))
+ packages)))
+ ;; Error handler
+ (error (message "%s" (cadr v)))))
+ (with-temp-buffer
(pp (nreverse packages) (current-buffer))
- (save-buffer))))
+ (write-region nil nil "archive-contents"))))
+
+(defun archive--simple-package-p (dir pkg)
+ "Test whether DIR contains a simple package named PKG.
+If so, return a list (VERSION DESCRIPTION REQ COMMENTARY), where
+VERSION is the version string of the simple package, DESCRIPTION
+is the brief description of the package, REQ is a list of
+requirements, and COMMENTARY is the package commentary.
+Otherwise, return nil."
+ (let* ((pkg-file (expand-file-name (concat pkg "-pkg.el") dir))
+ (mainfile (expand-file-name (concat pkg ".el") dir))
+ version description req commentary)
+ (when (and (or (not (file-exists-p pkg-file))
+ (= (length (directory-files dir nil archive-re-no-dot)) 2))
+ (file-exists-p mainfile))
+ (with-temp-buffer
+ (insert-file-contents mainfile)
+ (goto-char (point-min))
+ (and (looking-at ";;;.*---[ \t]*\\(.*\\)\\(-\\*-.*-\\*-[ \t]*\\)?$")
+ (progn
+ (setq description (match-string 1))
+ (setq version
+ (or (archive--strip-rcs-id (lm-header "package-version"))
+ (archive--strip-rcs-id (lm-header "version")))))
+ (progn
+ ;; Grab the other fields, which are not mandatory.
+ (let ((requires-str (lm-header "package-requires")))
+ (if requires-str
+ (setq req (mapcar 'archive--convert-require
+ (car (read-from-string requires-str))))))
+ (setq commentary (lm-commentary))
+ (list version description req commentary)))))))
+
+(defun archive--process-simple-package (dir pkg vers desc req commentary)
+ "Deploy the contents of DIR into the archive as a simple package.
+Rename DIR/PKG.el to PKG-VERS.el, delete DIR, and write the
+package commentary to PKG-readme.txt. Return the descriptor."
+ ;; Write the readme file.
+ (with-temp-buffer
+ (erase-buffer)
+ (emacs-lisp-mode)
+ (insert (or commentary
+ (prog1 "No description"
+ (message "Missing commentary in package %s" pkg))))
+ (goto-char (point-min))
+ (while (looking-at ";*[ \t]*\\(commentary[: \t]*\\)?\n")
+ (delete-region (match-beginning 0)
+ (match-end 0)))
+ (uncomment-region (point-min) (point-max))
+ (goto-char (point-max))
+ (while (progn (forward-line -1)
+ (looking-at "[ \t]*\n"))
+ (delete-region (match-beginning 0)
+ (match-end 0)))
+ (write-region nil nil (concat pkg "-readme.txt")))
+ ;; Write DIR/foo.el to foo-VERS.el and delete DIR
+ (rename-file (expand-file-name (concat pkg ".el") dir)
+ (concat pkg "-" vers ".el"))
+ (delete-directory dir t)
+ (cons (intern pkg) (vector (version-to-list vers) req desc 'single)))
+
+(defun archive--process-multi-file-package (dir pkg)
+ "Deploy the contents of DIR into the archive as a multi-file package.
+Rename DIR/ to PKG-VERS/, and write the package commentary to
+PKG-readme.txt. Return the descriptor."
+ (let* ((exp (archive--multi-file-package-def dir pkg))
+ (vers (nth 2 exp))
+ (req (mapcar 'archive--convert-require (nth 4 exp)))
+ (readme (expand-file-name "README" dir)))
+ (unless (equal (nth 1 exp) pkg)
+ (error (format "Package name %s doesn't match file name %s"
+ (nth 1 exp) pkg)))
+ ;; Write the readme file.
+ (when (file-exists-p readme)
+ (copy-file readme (concat pkg "-readme.txt") 'ok-if-already-exists))
+ (rename-file dir (concat pkg "-" vers))
+ (cons (intern pkg) (vector (version-to-list vers) req (nth 3 exp) 'tar))))
+
+(defun archive--multi-file-package-def (dir pkg)
+ "Reurn the `define-package' form in the file DIR/PKG-pkg.el."
+ (let ((pkg-file (expand-file-name (concat pkg "-pkg.el") dir)))
+ (with-temp-buffer
+ (unless (file-exists-p pkg-file)
+ (error "File not found: %s" pkg-file))
+ (insert-file-contents pkg-file)
+ (goto-char (point-min))
+ (read (current-buffer)))))
+
+(defun batch-make-site-dir (package-dir site-dir)
+ (require 'package)
+ (setq package-dir (expand-file-name package-dir default-directory))
+ (setq site-dir (expand-file-name site-dir default-directory))
+ (dolist (dir (directory-files package-dir t archive-re-no-dot))
+ (condition-case v
+ (if (not (file-directory-p dir))
+ (error "Skipping non-package file %s" dir)
+ (let* ((pkg (file-name-nondirectory dir))
+ (autoloads-file (expand-file-name (concat pkg "-autoloads.el") dir))
+ simple-p version)
+ ;; Omit autoloads and .elc files from the package.
+ (if (file-exists-p autoloads-file)
+ (delete-file autoloads-file))
+ (archive--delete-elc-files dir)
+ ;; Test whether this is a simple or multi-file package.
+ (setq simple-p (archive--simple-package-p dir pkg))
+ (if simple-p
+ (progn
+ (apply 'archive--write-pkg-file dir pkg simple-p)
+ (setq version (car simple-p)))
+ (setq version
+ (nth 2 (archive--multi-file-package-def dir pkg))))
+ (make-symbolic-link (expand-file-name dir package-dir)
+ (expand-file-name (concat pkg "-" version)
+ site-dir)
+ t)
+ (package-generate-autoloads pkg dir)
+ (let ((load-path (cons dir load-path)))
+ (byte-recompile-directory dir 0 t))))
+ ;; Error handler
+ (error (message "%s" (cadr v))))))
+
+(defun archive--write-pkg-file (pkg-dir name version desc requires &rest ignored)
+ (let ((pkg-file (expand-file-name (concat name "-pkg.el") pkg-dir))
+ (print-level nil)
+ (print-length nil))
+ (write-region
+ (concat (format ";; Generated package description from %s.el\n"
+ name)
+ (prin1-to-string
+ (list 'define-package
+ name
+ version
+ desc
+ (list 'quote
+ ;; Turn version lists into string form.
+ (mapcar
+ (lambda (elt)
+ (list (car elt)
+ (package-version-join (cadr elt))))
+ requires))))
+ "\n")
+ nil
+ pkg-file)))
+
+
+;; Local Variables:
+;; no-byte-compile: t
+;; lexical-binding: t
+;; End:
(provide 'archive-contents)
;;; archive-contents.el ends here