code.delx.au - gnu-emacs/blob - admin/admin.el

   1 ;;; admin.el --- utilities for Emacs administration
   2
   3 ;; Copyright (C) 2001-2013 Free Software Foundation, Inc.
   4
   5 ;; This file is part of GNU Emacs.
   6
   7 ;; GNU Emacs is free software: you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation, either version 3 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; GNU Emacs is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 ;;; Commentary:
  21
  22 ;; add-release-logs     Add ``Version X released'' change log entries.
  23 ;; set-version          Change Emacs version number in source tree.
  24 ;; set-copyright        Change emacs short copyright string (eg as
  25 ;;                      printed by --version) in source tree.
  26
  27 ;;; Code:
  28
  29 (defvar add-log-time-format)            ; in add-log
  30
  31 ;; Does this information need to be in every ChangeLog, as opposed to
  32 ;; just the top-level one?  Only if you allow changes the same
  33 ;; day as the release.
  34 ;; http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00161.html
  35 (defun add-release-logs (root version &optional date)
  36   "Add \"Version VERSION released.\" change log entries in ROOT.
  37 Root must be the root of an Emacs source tree.
  38 Optional argument DATE is the release date, default today."
  39   (interactive (list (read-directory-name "Emacs root directory: ")
  40                      (read-string "Version number: "
  41                                   (format "%s.%s" emacs-major-version
  42                                           emacs-minor-version))
  43                      (read-string "Release date: "
  44                                   (progn (require 'add-log)
  45                                          (let ((add-log-time-zone-rule t))
  46                                            (funcall add-log-time-format))))))
  47   (setq root (expand-file-name root))
  48   (unless (file-exists-p (expand-file-name "src/emacs.c" root))
  49     (error "%s doesn't seem to be the root of an Emacs source tree" root))
  50   (require 'add-log)
  51   (or date (setq date (let ((add-log-time-zone-rule t))
  52                         (funcall add-log-time-format))))
  53   (let* ((logs (process-lines "find" root "-name" "ChangeLog"))
  54          (entry (format "%s  %s  <%s>\n\n\t* Version %s released.\n\n"
  55                         date
  56                         (or add-log-full-name (user-full-name))
  57                         (or add-log-mailing-address user-mail-address)
  58                         version)))
  59     (dolist (log logs)
  60       (find-file log)
  61       (goto-char (point-min))
  62       (insert entry))))
  63
  64 (defun set-version-in-file (root file version rx)
  65   (find-file (expand-file-name file root))
  66   (goto-char (point-min))
  67   (unless (re-search-forward rx nil t)
  68     (error "Version not found in %s" file))
  69   (replace-match (format "%s" version) nil nil nil 1))
  70
  71 (defun set-version (root version)
  72   "Set Emacs version to VERSION in relevant files under ROOT.
  73 Root must be the root of an Emacs source tree."
  74   (interactive "DEmacs root directory: \nsVersion number: ")
  75   (unless (file-exists-p (expand-file-name "src/emacs.c" root))
  76     (error "%s doesn't seem to be the root of an Emacs source tree" root))
  77   (set-version-in-file root "README" version
  78                        (rx (and "version" (1+ space)
  79                                 (submatch (1+ (in "0-9."))))))
  80   (set-version-in-file root "configure.ac" version
  81                        (rx (and "AC_INIT" (1+ (not (in ?,)))
  82                                 ?, (0+ space)
  83                                 (submatch (1+ (in "0-9."))))))
  84   (set-version-in-file root "doc/emacs/emacsver.texi" version
  85                        (rx (and "EMACSVER" (1+ space)
  86                                 (submatch (1+ (in "0-9."))))))
  87   (set-version-in-file root "doc/man/emacs.1" version
  88                        (rx (and ".TH EMACS" (1+ not-newline)
  89                                 "GNU Emacs" (1+ space)
  90                                 (submatch (1+ (in "0-9."))))))
  91   (set-version-in-file root "nt/config.nt" version
  92                        (rx (and bol "#" (0+ blank) "define" (1+ blank)
  93                                 "VERSION" (1+ blank) "\""
  94                                 (submatch (1+ (in "0-9."))))))
  95   (set-version-in-file root "msdos/sed2v2.inp" version
  96                        (rx (and bol "/^#undef " (1+ not-newline)
  97                                 "define VERSION" (1+ space) "\""
  98                                 (submatch (1+ (in "0-9."))))))
  99   (set-version-in-file root "nt/makefile.w32-in" version
 100                        (rx (and "VERSION" (0+ space) "=" (0+ space)
 101                                 (submatch (1+ (in "0-9."))))))
 102   ;; nt/emacs.rc also contains the version number, but in an awkward
 103   ;; format. It must contain four components, separated by commas, and
 104   ;; in two places those commas are followed by space, in two other
 105   ;; places they are not.
 106   (let* ((version-components (append (split-string version "\\.")
 107                                     '("0" "0")))
 108          (comma-version
 109           (concat (car version-components) ","
 110                   (cadr version-components) ","
 111                   (cadr (cdr version-components)) ","
 112                   (cadr (cdr (cdr version-components)))))
 113          (comma-space-version
 114           (concat (car version-components) ", "
 115                   (cadr version-components) ", "
 116                   (cadr (cdr version-components)) ", "
 117                   (cadr (cdr (cdr version-components))))))
 118     (set-version-in-file root "nt/emacs.rc" comma-version
 119                          (rx (and "FILEVERSION" (1+ space)
 120                                   (submatch (1+ (in "0-9,"))))))
 121     (set-version-in-file root "nt/emacs.rc" comma-version
 122                          (rx (and "PRODUCTVERSION" (1+ space)
 123                                   (submatch (1+ (in "0-9,"))))))
 124     (set-version-in-file root "nt/emacs.rc" comma-space-version
 125                          (rx (and "\"FileVersion\"" (0+ space) ?, (0+ space)
 126                                   ?\" (submatch (1+ (in "0-9, "))) "\\0\"")))
 127     (set-version-in-file root "nt/emacs.rc" comma-space-version
 128                          (rx (and "\"ProductVersion\"" (0+ space) ?,
 129                                   (0+ space) ?\" (submatch (1+ (in "0-9, ")))
 130                                   "\\0\"")))
 131     ;; Likewise for emacsclient.rc
 132     (set-version-in-file root "nt/emacsclient.rc" comma-version
 133                          (rx (and "FILEVERSION" (1+ space)
 134                                   (submatch (1+ (in "0-9,"))))))
 135     (set-version-in-file root "nt/emacsclient.rc" comma-version
 136                          (rx (and "PRODUCTVERSION" (1+ space)
 137                                   (submatch (1+ (in "0-9,"))))))
 138     (set-version-in-file root "nt/emacsclient.rc" comma-space-version
 139                          (rx (and "\"FileVersion\"" (0+ space) ?, (0+ space)
 140                                   ?\" (submatch (1+ (in "0-9, "))) "\\0\"")))
 141     (set-version-in-file root "nt/emacsclient.rc" comma-space-version
 142                          (rx (and "\"ProductVersion\"" (0+ space) ?,
 143                                   (0+ space) ?\" (submatch (1+ (in "0-9, ")))
 144                                   "\\0\"")))
 145     ;; Major version only.
 146     (when (string-match "\\([0-9]\\{2,\\}\\)" version)
 147       (setq version (match-string 1 version))
 148       (set-version-in-file root "src/msdos.c" version
 149                            (rx (and "Vwindow_system_version" (1+ not-newline)
 150                                     ?\( (submatch (1+ (in "0-9"))) ?\))))
 151       (set-version-in-file root "etc/refcards/ru-refcard.tex" version
 152                            "\\\\newcommand{\\\\versionemacs}\\[0\\]\
 153 {\\([0-9]\\{2,\\}\\)}.+%.+version of Emacs")
 154       (set-version-in-file root "etc/refcards/emacsver.tex" version
 155                            "\\\\def\\\\versionemacs\
 156 {\\([0-9]\\{2,\\}\\)}.+%.+version of Emacs"))))
 157
 158
 159 ;; Note this makes some assumptions about form of short copyright.
 160 (defun set-copyright (root copyright)
 161   "Set Emacs short copyright to COPYRIGHT in relevant files under ROOT.
 162 Root must be the root of an Emacs source tree."
 163   (interactive (list
 164                 (read-directory-name "Emacs root directory: " nil nil t)
 165                 (read-string
 166                  "Short copyright string: "
 167                  (format "Copyright (C) %s Free Software Foundation, Inc."
 168                          (format-time-string "%Y")))))
 169   (unless (file-exists-p (expand-file-name "src/emacs.c" root))
 170     (error "%s doesn't seem to be the root of an Emacs source tree" root))
 171   (set-version-in-file root "configure.ac" copyright
 172                        (rx (and bol "copyright" (0+ (not (in ?\")))
 173                                 ?\" (submatch (1+ (not (in ?\")))) ?\")))
 174   (set-version-in-file root "msdos/sed2v2.inp" copyright
 175                        (rx (and bol "/^#undef " (1+ not-newline)
 176                                 "define COPYRIGHT" (1+ space)
 177                                 ?\" (submatch (1+ (not (in ?\")))) ?\")))
 178   (set-version-in-file root "nt/config.nt" copyright
 179                        (rx (and bol "#" (0+ blank) "define" (1+ blank)
 180                                 "COPYRIGHT" (1+ blank)
 181                                 ?\" (submatch (1+ (not (in ?\")))) ?\")))
 182   (set-version-in-file root "lib-src/rcs2log" copyright
 183                        (rx (and "Copyright" (0+ space) ?= (0+ space)
 184                                 ?\' (submatch (1+ nonl)))))
 185   (when (string-match "\\([0-9]\\{4\\}\\)" copyright)
 186     (setq copyright (match-string 1 copyright))
 187     (set-version-in-file root "etc/refcards/ru-refcard.tex" copyright
 188                          "\\\\newcommand{\\\\cyear}\\[0\\]\
 189 {\\([0-9]\\{4\\}\\)}.+%.+copyright year")
 190     (set-version-in-file root "etc/refcards/emacsver.tex" copyright
 191                          "\\\\def\\\\year\
 192 {\\([0-9]\\{4\\}\\)}.+%.+copyright year")))
 193
 194 ;;; Various bits of magic for generating the web manuals
 195
 196 (defun make-manuals (root)
 197   "Generate the web manuals for the Emacs webpage."
 198   (interactive "DEmacs root directory: ")
 199   (let* ((dest (expand-file-name "manual" root))
 200          (html-node-dir (expand-file-name "html_node" dest))
 201          (html-mono-dir (expand-file-name "html_mono" dest))
 202          (txt-dir (expand-file-name "text" dest))
 203          (dvi-dir (expand-file-name "dvi" dest))
 204          (ps-dir (expand-file-name "ps" dest)))
 205     (when (file-directory-p dest)
 206       (if (y-or-n-p (format "Directory %s exists, delete it first?" dest))
 207           (delete-directory dest t)
 208         (error "Aborted")))
 209     (make-directory dest)
 210     (make-directory html-node-dir)
 211     (make-directory html-mono-dir)
 212     (make-directory txt-dir)
 213     (make-directory dvi-dir)
 214     (make-directory ps-dir)
 215     ;; Emacs manual
 216     (let ((texi (expand-file-name "doc/emacs/emacs.texi" root)))
 217       (manual-html-node texi (expand-file-name "emacs" html-node-dir))
 218       (manual-html-mono texi (expand-file-name "emacs.html" html-mono-dir))
 219       (manual-txt texi (expand-file-name "emacs.txt" txt-dir))
 220       (manual-pdf texi (expand-file-name "emacs.pdf" dest))
 221       (manual-dvi texi (expand-file-name "emacs.dvi" dvi-dir)
 222                   (expand-file-name "emacs.ps" ps-dir)))
 223     ;; Lisp manual
 224     (let ((texi (expand-file-name "doc/lispref/elisp.texi" root)))
 225       (manual-html-node texi (expand-file-name "elisp" html-node-dir))
 226       (manual-html-mono texi (expand-file-name "elisp.html" html-mono-dir))
 227       (manual-txt texi (expand-file-name "elisp.txt" txt-dir))
 228       (manual-pdf texi (expand-file-name "elisp.pdf" dest))
 229       (manual-dvi texi (expand-file-name "elisp.dvi" dvi-dir)
 230                   (expand-file-name "elisp.ps" ps-dir)))
 231     (let ((texi (expand-file-name "doc/lispintro/emacs-lisp-intro.texi" root))
 232           (dest (expand-file-name "emacs-lisp-intro" dest))
 233           dest2 dest3)
 234       ;; Mimic the atypical directory layout used for emacs-lisp-intro.
 235       (make-directory dest)
 236       (make-directory (setq dest2 (expand-file-name "html_node" dest)))
 237       (manual-html-node texi dest2)
 238       (make-directory (setq dest2 (expand-file-name "html_mono" dest)))
 239       (manual-html-mono texi (expand-file-name "emacs-lisp-intro.html" dest2))
 240       (make-directory (setq dest2 (expand-file-name "txt" dest)))
 241       (manual-txt texi (expand-file-name "emacs-lisp-intro.txt" dest2))
 242       (manual-pdf texi (expand-file-name "emacs-lisp-intro.pdf" dest))
 243       (make-directory (setq dest2 (expand-file-name "dvi" dest)))
 244       (make-directory (setq dest3 (expand-file-name "ps" dest)))
 245       (manual-dvi texi (expand-file-name "emacs-lisp-intro.dvi" dest2)
 246                   (expand-file-name "emacs-lisp-intro.ps" dest3)))
 247     ;; Misc manuals
 248     (let ((manuals '("ada-mode" "auth" "autotype" "bovine" "calc" "cc-mode"
 249                      "cl" "dbus" "dired-x" "ebrowse" "ede" "ediff"
 250                      "edt" "eieio" "emacs-gnutls" "emacs-mime" "epa" "erc" "ert"
 251                      "eshell" "eudc" "faq" "flymake" "forms"
 252                      "gnus" "htmlfontify" "idlwave" "info"
 253                      "mairix-el" "message" "mh-e" "newsticker"
 254                      "nxml-mode" "org" "pcl-cvs" "pgg" "rcirc"
 255                      "reftex" "remember" "sasl" "sc" "semantic"
 256                      "ses" "sieve" "smtpmail" "speedbar" "srecode" "tramp"
 257                      "url" "vip" "viper" "widget" "wisent" "woman")))
 258       (dolist (manual manuals)
 259         (manual-misc-html manual root html-node-dir html-mono-dir)))
 260     (message "Manuals created in %s" dest)))
 261
 262 (defconst manual-doctype-string
 263   "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"
 264 \"http://www.w3.org/TR/html4/loose.dtd\">\n\n")
 265
 266 (defconst manual-meta-string
 267   "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">
 268 <link rev=\"made\" href=\"mailto:webmasters@gnu.org\">
 269 <link rel=\"icon\" type=\"image/png\" href=\"/graphics/gnu-head-mini.png\">
 270 <meta name=\"ICBM\" content=\"42.256233,-71.006581\">
 271 <meta name=\"DC.title\" content=\"gnu.org\">\n\n")
 272
 273 (defconst manual-style-string "<style type=\"text/css\">
 274 @import url('/style.css');\n</style>\n")
 275
 276 (defun manual-misc-html (name root html-node-dir html-mono-dir)
 277   (let ((texi (expand-file-name (format "doc/misc/%s.texi" name) root)))
 278     (manual-html-node texi (expand-file-name name html-node-dir))
 279     (manual-html-mono texi (expand-file-name (concat name ".html")
 280                                              html-mono-dir))))
 281
 282 (defun manual-html-mono (texi-file dest)
 283   "Run Makeinfo on TEXI-FILE, emitting mono HTML output to DEST.
 284 This function also edits the HTML files so that they validate as
 285 HTML 4.01 Transitional, and pulls in the gnu.org stylesheet using
 286 the @import directive."
 287   (call-process "makeinfo" nil nil nil
 288                 "-I" (expand-file-name "../emacs"
 289                                        (file-name-directory texi-file))
 290                 "-I" (expand-file-name "../misc"
 291                                        (file-name-directory texi-file))
 292                 "--html" "--no-split" texi-file "-o" dest)
 293   (with-temp-buffer
 294     (insert-file-contents dest)
 295     (setq buffer-file-name dest)
 296     (manual-html-fix-headers)
 297     (manual-html-fix-index-1)
 298     (manual-html-fix-index-2 t)
 299     (manual-html-fix-node-div)
 300     (goto-char (point-max))
 301     (re-search-backward "</body>[\n \t]*</html>")
 302     (insert "</div>\n\n")
 303     (save-buffer)))
 304
 305 (defun manual-html-node (texi-file dir)
 306   "Run Makeinfo on TEXI-FILE, emitting per-node HTML output to DIR.
 307 This function also edits the HTML files so that they validate as
 308 HTML 4.01 Transitional, and pulls in the gnu.org stylesheet using
 309 the @import directive."
 310   (unless (file-exists-p texi-file)
 311     (error "Manual file %s not found" texi-file))
 312   (call-process "makeinfo" nil nil nil
 313                 "-I" (expand-file-name "../emacs"
 314                                        (file-name-directory texi-file))
 315                 "-I" (expand-file-name "../misc"
 316                                        (file-name-directory texi-file))
 317                 "--html" texi-file "-o" dir)
 318   ;; Loop through the node files, fixing them up.
 319   (dolist (f (directory-files dir nil "\\.html\\'"))
 320     (let (opoint)
 321       (with-temp-buffer
 322         (insert-file-contents (expand-file-name f dir))
 323         (setq buffer-file-name (expand-file-name f dir))
 324         (if (looking-at "<meta http-equiv")
 325             ;; Ignore those HTML files that are just redirects.
 326             (set-buffer-modified-p nil)
 327           (manual-html-fix-headers)
 328           (if (equal f "index.html")
 329               (let (copyright-text)
 330                 (manual-html-fix-index-1)
 331                 ;; Move copyright notice to the end.
 332                 (when (re-search-forward "[ \t]*<p>Copyright &copy;" nil t)
 333                   (setq opoint (match-beginning 0))
 334                   (re-search-forward "</blockquote>")
 335                   (setq copyright-text (buffer-substring opoint (point)))
 336                   (delete-region opoint (point)))
 337                 (manual-html-fix-index-2)
 338                 (if copyright-text
 339                     (insert copyright-text))
 340                 (insert "\n</div>\n"))
 341             ;; For normal nodes, give the header div a blue bg.
 342             (manual-html-fix-node-div))
 343           (save-buffer))))))
 344
 345 (defun manual-txt (texi-file dest)
 346   "Run Makeinfo on TEXI-FILE, emitting plaintext output to DEST."
 347   (call-process "makeinfo" nil nil nil
 348                 "-I" (expand-file-name "../emacs"
 349                                        (file-name-directory texi-file))
 350                 "-I" (expand-file-name "../misc"
 351                                        (file-name-directory texi-file))
 352                 "--plaintext" "--no-split" texi-file "-o" dest)
 353   (shell-command (concat "gzip -c " dest " > " (concat dest ".gz"))))
 354
 355 (defun manual-pdf (texi-file dest)
 356   "Run texi2pdf on TEXI-FILE, emitting plaintext output to DEST."
 357   (call-process "texi2pdf" nil nil nil texi-file "-o" dest))
 358
 359 (defun manual-dvi (texi-file dest ps-dest)
 360   "Run texi2dvi on TEXI-FILE, emitting dvi output to DEST.
 361 Also generate PostScript output in PS-DEST."
 362   (call-process "texi2dvi" nil nil nil texi-file "-o" dest)
 363   (call-process "dvips" nil nil nil dest "-o" ps-dest)
 364   (call-process "gzip" nil nil nil dest)
 365   (call-process "gzip" nil nil nil ps-dest))
 366
 367 (defun manual-html-fix-headers ()
 368   "Fix up HTML headers for the Emacs manual in the current buffer."
 369   (let (opoint)
 370     (insert manual-doctype-string)
 371     (search-forward "<head>\n")
 372     (insert manual-meta-string)
 373     (search-forward "<meta")
 374     (setq opoint (match-beginning 0))
 375     (re-search-forward "<!--")
 376     (goto-char (match-beginning 0))
 377     (delete-region opoint (point))
 378     (insert manual-style-string)
 379     (search-forward "<meta http-equiv=\"Content-Style")
 380     (setq opoint (match-beginning 0))
 381     (search-forward "</head>")
 382     (delete-region opoint (match-beginning 0))))
 383
 384 (defun manual-html-fix-node-div ()
 385   "Fix up HTML \"node\" divs in the current buffer."
 386   (let (opoint div-end)
 387     (while (search-forward "<div class=\"node\">" nil t)
 388       (replace-match
 389        "<div class=\"node\" style=\"background-color:#DDDDFF\">"
 390        t t)
 391       (setq opoint (point))
 392       (re-search-forward "</div>")
 393       (setq div-end (match-beginning 0))
 394       (goto-char opoint)
 395       (if (search-forward "<hr>" div-end 'move)
 396           (replace-match "" t t)))))
 397
 398 (defun manual-html-fix-index-1 ()
 399   (let (opoint)
 400     (re-search-forward "<body>\n")
 401     (setq opoint (match-end 0))
 402     (search-forward "<h2 class=\"")
 403     (goto-char (match-beginning 0))
 404     (delete-region opoint (point))
 405     (insert "<div id=\"content\" class=\"inner\">\n\n")))
 406
 407 (defun manual-html-fix-index-2 (&optional table-workaround)
 408   "Replace the index list in the current buffer with a HTML table."
 409   (let (done open-td tag desc)
 410     ;; Convert the list that Makeinfo made into a table.
 411     (or (search-forward "<ul class=\"menu\">" nil t)
 412         (search-forward "<ul>"))
 413     (replace-match "<table style=\"float:left\" width=\"100%\">")
 414     (forward-line 1)
 415     (while (not done)
 416       (cond
 417        ((or (looking-at "<li>\\(<a.+</a>\\):[ \t]+\\(.*\\)$")
 418             (looking-at "<li>\\(<a.+</a>\\)$"))
 419         (setq tag (match-string 1))
 420         (setq desc (match-string 2))
 421         (replace-match "" t t)
 422         (when open-td
 423           (save-excursion
 424             (forward-char -1)
 425             (skip-chars-backward " ")
 426             (delete-region (point) (line-end-position))
 427             (insert "</td>\n  </tr>")))
 428         (insert "  <tr>\n    ")
 429         (if table-workaround
 430             ;; This works around a Firefox bug in the mono file.
 431             (insert "<td bgcolor=\"white\">")
 432           (insert "<td>"))
 433         (insert tag "</td>\n    <td>" (or desc ""))
 434         (setq open-td t))
 435        ((eq (char-after) ?\n)
 436         (delete-char 1)
 437         ;; Negate the following `forward-line'.
 438         (forward-line -1))
 439        ((looking-at "<!-- ")
 440         (search-forward "-->"))
 441        ((looking-at "<p>[- ]*The Detailed Node Listing[- \n]*")
 442         (replace-match "  </td></tr></table>\n
 443 <h3>Detailed Node Listing</h3>\n\n" t t)
 444         (search-forward "<p>")
 445         (search-forward "<p>" nil t)
 446         (goto-char (match-beginning 0))
 447         (skip-chars-backward "\n ")
 448         (setq open-td nil)
 449         (insert "</p>\n\n<table  style=\"float:left\" width=\"100%\">"))
 450        ((looking-at "</li></ul>")
 451         (replace-match "" t t))
 452        ((looking-at "<p>")
 453         (replace-match "" t t)
 454         (when open-td
 455           (insert "  </td></tr>")
 456           (setq open-td nil))
 457         (insert "  <tr>
 458     <th colspan=\"2\" align=\"left\" style=\"text-align:left\">")
 459         (if (re-search-forward "</p>[ \t\n]*<ul class=\"menu\">" nil t)
 460             (replace-match "  </th></tr>")))
 461        ((looking-at "[ \t]*</ul>[ \t]*$")
 462         (replace-match
 463          (if open-td
 464              "  </td></tr>\n</table>"
 465            "</table>") t t)
 466         (setq done t))
 467        (t
 468         (if (eobp)
 469             (error "Parse error in %s" f)) ; f is bound in manual-html-node
 470         (unless open-td
 471           (setq done t))))
 472       (forward-line 1))))
 473
 474 \f
 475 ;; Stuff to check new defcustoms got :version tags.
 476 ;; Adapted from check-declare.el.
 477
 478 (defun cusver-find-files (root &optional old)
 479   "Find .el files beneath directory ROOT that contain defcustoms.
 480 If optional OLD is non-nil, also include defvars."
 481   (process-lines find-program root
 482                  "-name" "*.el"
 483                  "-exec" grep-program
 484                  "-l" "-E" (format "^[ \\t]*\\(def%s"
 485                                    (if old "(custom|var)"
 486                                      "custom"
 487                                      ))
 488                  "{}" "+"))
 489
 490 (defvar cusver-new-version (format "%s.%s" emacs-major-version
 491                                    (1+ emacs-minor-version))
 492   "Version number that new defcustoms should have.")
 493
 494 (defun cusver-scan (file &optional old)
 495   "Scan FILE for `defcustom' calls.
 496 Return a list with elements of the form (VAR . VER),
 497 This means that FILE contains a defcustom for variable VAR, with
 498 a :version tag having value VER (may be nil).
 499 If optional argument OLD is non-nil, also scan for defvars."
 500   (let ((m (format "Scanning %s..." file))
 501         (re (format "^[ \t]*\\((def%s\\)[ \t\n]"
 502                     (if old "\\(custom\\|var\\)" "\\(custom\\|group\\)")))
 503         alist var ver form glist grp)
 504     (message "%s" m)
 505     (with-temp-buffer
 506       (insert-file-contents file)
 507       ;; FIXME we could theoretically be inside a string.
 508       (while (re-search-forward re nil t)
 509         (goto-char (match-beginning 1))
 510         (if (and (setq form (ignore-errors (read (current-buffer))))
 511                  (setq var (car-safe (cdr-safe form)))
 512                  ;; Exclude macros, eg (defcustom ,varname ...).
 513                  (symbolp var))
 514             (progn
 515               (setq ver (car (cdr-safe (memq :version form))))
 516               (if (equal "group" (match-string 2))
 517                   ;; Group :version could be old.
 518                   (if (equal ver cusver-new-version)
 519                       (setq glist (cons (cons var ver) glist)))
 520                 ;; If it specifies a group and the whole group has a
 521                 ;; version. use that.
 522                 (unless ver
 523                   (setq grp (car (cdr-safe (memq :group form))))
 524                   (and grp
 525                        (setq grp (car (cdr-safe grp))) ; (quote foo) -> foo
 526                        (setq ver (assq grp glist))))
 527                 (setq alist (cons (cons var ver) alist))))
 528           (if form (message "Malformed defcustom: `%s'" form)))))
 529     (message "%sdone" m)
 530     alist))
 531
 532 (defun cusver-scan-cus-start (file)
 533   "Scan cus-start.el and return an alist with elements (VAR . VER)."
 534   (if (file-readable-p file)
 535       (with-temp-buffer
 536         (insert-file-contents file)
 537         (when (search-forward "(let ((all '(" nil t)
 538           (backward-char 1)
 539           (let (var ver alist)
 540             (dolist (elem (ignore-errors (read (current-buffer))))
 541               (when (symbolp (setq var (car-safe elem)))
 542                 (or (stringp (setq ver (nth 3 elem)))
 543                     (setq ver nil))
 544                 (setq alist (cons (cons var ver) alist))))
 545             alist)))))
 546
 547 (define-button-type 'cusver-xref 'action #'cusver-goto-xref)
 548
 549 (defun cusver-goto-xref (button)
 550   "Jump to a lisp file for the BUTTON at point."
 551   (let ((file (button-get button 'file))
 552         (var (button-get button 'var)))
 553     (if (not (file-readable-p file))
 554         (message "Cannot read `%s'" file)
 555       (with-current-buffer (find-file-noselect file)
 556         (goto-char (point-min))
 557         (or (re-search-forward (format "^[ \t]*(defcustom[ \t]*%s" var) nil t)
 558             (message "Unable to locate defcustom"))
 559         (pop-to-buffer (current-buffer))))))
 560
 561 ;; You should probably at least do a grep over the old directory
 562 ;; to check the results of this look sensible.
 563 ;; TODO Check cus-start if something moved from C to Lisp.
 564 ;; TODO Handle renamed things with aliases to the old names.
 565 (defun cusver-check (newdir olddir version)
 566   "Check that defcustoms have :version tags where needed.
 567 NEWDIR is the current lisp/ directory, OLDDIR is that from the previous
 568 release.  A defcustom that is only in NEWDIR should have a :version
 569 tag.  We exclude cases where a defvar exists in OLDDIR, since
 570 just converting a defvar to a defcustom does not require a :version bump.
 571
 572 Note that a :version tag should also be added if the value of a defcustom
 573 changes (in a non-trivial way).  This function does not check for that."
 574   (interactive (list (read-directory-name "New Lisp directory: ")
 575                      (read-directory-name "Old Lisp directory: ")
 576                      (number-to-string
 577                       (read-number "New version number: "
 578                                    (string-to-number cusver-new-version)))))
 579   (or (file-directory-p (setq newdir (expand-file-name newdir)))
 580       (error "Directory `%s' not found" newdir))
 581   (or (file-directory-p (setq olddir (expand-file-name olddir)))
 582       (error "Directory `%s' not found" olddir))
 583   (setq cusver-new-version version)
 584   (let* ((newfiles (progn (message "Finding new files with defcustoms...")
 585                           (cusver-find-files newdir)))
 586          (oldfiles (progn (message "Finding old files with defcustoms...")
 587                           (cusver-find-files olddir t)))
 588          (newcus (progn (message "Reading new defcustoms...")
 589                         (mapcar
 590                          (lambda (file)
 591                            (cons file (cusver-scan file))) newfiles)))
 592          oldcus result thisfile file)
 593     (message "Reading old defcustoms...")
 594     (dolist (file oldfiles)
 595       (setq oldcus (append oldcus (cusver-scan file t))))
 596     (setq oldcus (append oldcus (cusver-scan-cus-start
 597                                  (expand-file-name "cus-start.el" olddir))))
 598     ;; newcus has elements (FILE (VAR VER) ... ).
 599     ;; oldcus just (VAR . VER).
 600     (message "Checking for version tags...")
 601     (dolist (new newcus)
 602       (setq file (car new)
 603             thisfile
 604             (let (missing var)
 605               (dolist (cons (cdr new))
 606                 (or (cdr cons)
 607                     (assq (setq var (car cons)) oldcus)
 608                     (push var missing)))
 609               (if missing
 610                   (cons file missing))))
 611       (if thisfile
 612           (setq result (cons thisfile result))))
 613     (message "Checking for version tags... done")
 614     (if (not result)
 615         (message "No missing :version tags")
 616       (pop-to-buffer "*cusver*")
 617       (erase-buffer)
 618       (insert "These defcustoms might be missing :version tags:\n\n")
 619       (dolist (elem result)
 620         (let* ((str (file-relative-name (car elem) newdir))
 621                (strlen (length str)))
 622           (dolist (var (cdr elem))
 623             (insert (format "%s: %s\n" str var))
 624             (make-text-button (+ (line-beginning-position 0) strlen 2)
 625                               (line-end-position 0)
 626                               'file (car elem)
 627                               'var var
 628                               'help-echo "Mouse-2: visit this definition"
 629                               :type 'cusver-xref)))))))
 630
 631 (provide 'admin)
 632
 633 ;;; admin.el ends here