lisp/mail/emacsbug.el

   1 ;;; emacsbug.el --- command to report Emacs bugs to appropriate mailing list
   2
   3 ;; Copyright (C) 1985, 1994, 1997-1998, 2000-2016 Free Software
   4 ;; Foundation, Inc.
   5
   6 ;; Author: K. Shane Hartman
   7 ;; Maintainer: emacs-devel@gnu.org
   8 ;; Keywords: maint mail
   9 ;; Package: emacs
  10
  11 ;; This file is part of GNU Emacs.
  12
  13 ;; GNU Emacs is free software: you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation, either version 3 of the License, or
  16 ;; (at your option) any later version.
  17
  18 ;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  25
  26 ;;; Commentary:
  27
  28 ;; `M-x report-emacs-bug' starts an email note to the Emacs maintainers
  29 ;; describing a problem.  You need to be able to send mail from Emacs
  30 ;; to complete the process.  Alternatively, compose the bug report in
  31 ;; Emacs then paste it into your normal mail client.
  32
  33 ;;; Code:
  34
  35 (require 'sendmail)
  36 (require 'message)
  37
  38 (defgroup emacsbug nil
  39   "Sending Emacs bug reports."
  40   :group 'maint
  41   :group 'mail)
  42
  43 (define-obsolete-variable-alias 'report-emacs-bug-pretest-address
  44   'report-emacs-bug-address "24.1")
  45
  46 (defcustom report-emacs-bug-no-confirmation nil
  47   "If non-nil, suppress the confirmations asked for the sake of novice users."
  48   :group 'emacsbug
  49   :type 'boolean)
  50
  51 (defcustom report-emacs-bug-no-explanations nil
  52   "If non-nil, suppress the explanations given for the sake of novice users."
  53   :group 'emacsbug
  54   :type 'boolean)
  55
  56 ;; User options end here.
  57
  58 (defvar report-emacs-bug-orig-text nil
  59   "The automatically-created initial text of the bug report.")
  60
  61 (defvar report-emacs-bug-send-command nil
  62   "Name of the command to send the bug report, as a string.")
  63 (make-variable-buffer-local 'report-emacs-bug-send-command)
  64
  65 (defvar report-emacs-bug-send-hook nil
  66   "Hook run before sending the bug report.")
  67 (make-variable-buffer-local 'report-emacs-bug-send-hook)
  68
  69 (declare-function x-server-vendor "xfns.c" (&optional terminal))
  70 (declare-function x-server-version "xfns.c" (&optional terminal))
  71 (declare-function message-sort-headers "message" ())
  72 (defvar message-strip-special-text-properties)
  73
  74 (defun report-emacs-bug-can-use-osx-open ()
  75   "Return non-nil if the OS X \"open\" command is available for mailing."
  76   (and (featurep 'ns)
  77        (equal (executable-find "open") "/usr/bin/open")
  78        (memq system-type '(darwin))))
  79
  80 ;; FIXME this duplicates much of the logic from browse-url-can-use-xdg-open.
  81 (defun report-emacs-bug-can-use-xdg-email ()
  82   "Return non-nil if the \"xdg-email\" command can be used.
  83 xdg-email is a desktop utility that calls your preferred mail client.
  84 This requires you to be running either Gnome, KDE, or Xfce4."
  85   (and (getenv "DISPLAY")
  86        (executable-find "xdg-email")
  87        (or (getenv "GNOME_DESKTOP_SESSION_ID")
  88            ;; GNOME_DESKTOP_SESSION_ID is deprecated, check on Dbus also.
  89            (condition-case nil
  90                (eq 0 (call-process
  91                       "dbus-send" nil nil nil
  92                                   "--dest=org.gnome.SessionManager"
  93                                   "--print-reply"
  94                                   "/org/gnome/SessionManager"
  95                                   "org.gnome.SessionManager.CanShutdown"))
  96              (error nil))
  97            (equal (getenv "KDE_FULL_SESSION") "true")
  98            ;; FIXME? browse-url-can-use-xdg-open also accepts LXDE.
  99            ;; Is that no good here, or just overlooked?
 100            (condition-case nil
 101                (eq 0 (call-process
 102                       "/bin/sh" nil nil nil
 103                       "-c"
 104                       ;; FIXME use string-match rather than grep.
 105                       "xprop -root _DT_SAVE_MODE|grep xfce4"))
 106              (error nil)))))
 107
 108 (defun report-emacs-bug-insert-to-mailer ()
 109   "Send the message to your preferred mail client.
 110 This requires either the OS X \"open\" command, or the freedesktop
 111 \"xdg-email\" command to be available."
 112   (interactive)
 113   (save-excursion
 114     ;; FIXME? use mail-fetch-field?
 115     (let* ((to (progn
 116                  (goto-char (point-min))
 117                  (forward-line)
 118                  (and (looking-at "^To: \\(.*\\)")
 119                       (match-string-no-properties 1))))
 120            (subject (progn
 121                       (forward-line)
 122                       (and (looking-at "^Subject: \\(.*\\)")
 123                            (match-string-no-properties 1))))
 124            (body (progn
 125                    (forward-line 2)
 126                    (if (> (point-max) (point))
 127                        (buffer-substring-no-properties (point) (point-max))))))
 128       (if (and to subject body)
 129           (if (report-emacs-bug-can-use-osx-open)
 130               (start-process "/usr/bin/open" nil "open"
 131                              (concat "mailto:" to
 132                                      "?subject=" (url-hexify-string subject)
 133                                      "&body=" (url-hexify-string body)))
 134             (start-process "xdg-email" nil "xdg-email"
 135                            "--subject" subject
 136                            "--body" body
 137                            (concat "mailto:" to)))
 138         (error "Subject, To or body not found")))))
 139
 140 ;; It's the default mail mode, so it seems OK to use its features.
 141 (autoload 'message-bogus-recipient-p "message")
 142 (autoload 'message-make-address "message")
 143 (defvar message-send-mail-function)
 144 (defvar message-sendmail-envelope-from)
 145
 146 ;;;###autoload
 147 (defun report-emacs-bug (topic &optional unused)
 148   "Report a bug in GNU Emacs.
 149 Prompts for bug subject.  Leaves you in a mail buffer."
 150   (declare (advertised-calling-convention (topic) "24.5"))
 151   (interactive "sBug Subject: ")
 152   ;; The syntax `version;' is preferred to `[version]' because the
 153   ;; latter could be mistakenly stripped by mailing software.
 154   (if (eq system-type 'ms-dos)
 155       (setq topic (concat emacs-version "; " topic))
 156     (when (string-match "^\\(\\([.0-9]+\\)*\\)\\.[0-9]+$" emacs-version)
 157       (setq topic (concat (match-string 1 emacs-version) "; " topic))))
 158   (let ((from-buffer (current-buffer))
 159         (can-insert-mail (or (report-emacs-bug-can-use-xdg-email)
 160                              (report-emacs-bug-can-use-osx-open)))
 161         user-point message-end-point)
 162     (setq message-end-point
 163           (with-current-buffer (messages-buffer)
 164             (point-max-marker)))
 165     (condition-case nil
 166         ;; For the novice user make sure there's always enough space for
 167         ;; the mail and the warnings buffer on this frame (Bug#10873).
 168         (unless report-emacs-bug-no-explanations
 169           (delete-other-windows)
 170           (set-window-dedicated-p nil nil)
 171           (set-frame-parameter nil 'unsplittable nil))
 172       (error nil))
 173     (compose-mail report-emacs-bug-address topic)
 174     ;; The rest of this does not execute if the user was asked to
 175     ;; confirm and said no.
 176     (when (eq major-mode 'message-mode)
 177       ;; Message-mode sorts the headers before sending.  We sort now so
 178       ;; that report-emacs-bug-orig-text remains valid.  (Bug#5178)
 179       (message-sort-headers)
 180       ;; Stop message-mode stealing the properties we will add.
 181       (set (make-local-variable 'message-strip-special-text-properties) nil)
 182       ;; Make sure we default to the From: address as envelope when sending
 183       ;; through sendmail.
 184       (when (and (not message-sendmail-envelope-from)
 185                  (message-bogus-recipient-p (message-make-address)))
 186         (set (make-local-variable 'message-sendmail-envelope-from) 'header)))
 187     (rfc822-goto-eoh)
 188     (forward-line 1)
 189     ;; Move the mail signature to the proper place.
 190     (let ((signature (buffer-substring (point) (point-max)))
 191           (inhibit-read-only t))
 192       (delete-region (point) (point-max))
 193       (insert signature)
 194       (backward-char (length signature)))
 195     (unless report-emacs-bug-no-explanations
 196       ;; Insert warnings for novice users.
 197       (if (not (equal "bug-gnu-emacs@gnu.org" report-emacs-bug-address))
 198           (insert (format "The report will be sent to %s.\n\n"
 199                           report-emacs-bug-address))
 200         (insert "This bug report will be sent to the ")
 201         (insert-text-button
 202          "Bug-GNU-Emacs"
 203          'face 'link
 204          'help-echo (concat "mouse-2, RET: Follow this link")
 205          'action (lambda (button)
 206                    (browse-url "http://lists.gnu.org/archive/html/bug-gnu-emacs/"))
 207          'follow-link t)
 208         (insert " mailing list\nand the GNU bug tracker at ")
 209         (insert-text-button
 210          "debbugs.gnu.org"
 211          'face 'link
 212          'help-echo (concat "mouse-2, RET: Follow this link")
 213          'action (lambda (button)
 214                    (browse-url "http://debbugs.gnu.org/"))
 215          'follow-link t)
 216
 217         (insert ".  Please check that
 218 the From: line contains a valid email address.  After a delay of up
 219 to one day, you should receive an acknowledgment at that address.
 220
 221 Please write in English if possible, as the Emacs maintainers
 222 usually do not have translators for other languages.\n\n")))
 223
 224     (insert "Please describe exactly what actions triggered the bug, and\n"
 225             "the precise symptoms of the bug.  If you can, give a recipe\n"
 226             "starting from 'emacs -Q':\n\n")
 227     (let ((txt (delete-and-extract-region
 228                 (save-excursion (rfc822-goto-eoh) (line-beginning-position 2))
 229                 (point))))
 230       (insert (propertize "\n" 'display txt)))
 231     (setq user-point (point))
 232     (insert "\n\n")
 233
 234     (insert "If Emacs crashed, and you have the Emacs process in the gdb debugger,\n"
 235             "please include the output from the following gdb commands:\n"
 236             "    'bt full' and 'xbacktrace'.\n")
 237
 238     (let ((debug-file (expand-file-name "DEBUG" data-directory)))
 239       (if (file-readable-p debug-file)
 240           (insert "For information about debugging Emacs, please read the file\n"
 241                   debug-file ".\n")))
 242     (let ((txt (delete-and-extract-region (1+ user-point) (point))))
 243       (insert (propertize "\n" 'display txt)))
 244
 245     (insert "\n\nIn " (emacs-version))
 246     (if emacs-build-system
 247         (insert " built on " emacs-build-system))
 248     (insert "\n")
 249
 250     (if (stringp emacs-repository-version)
 251         (insert "Repository revision: " emacs-repository-version "\n"))
 252     (if (fboundp 'x-server-vendor)
 253         (condition-case nil
 254             ;; This is used not only for X11 but also W32 and others.
 255             (insert "Windowing system distributor '" (x-server-vendor)
 256                     "', version "
 257                     (mapconcat 'number-to-string (x-server-version) ".") "\n")
 258           (error t)))
 259     (let ((lsb (with-temp-buffer
 260                  (if (eq 0 (ignore-errors
 261                              (call-process "lsb_release" nil '(t nil)
 262                                            nil "-d")))
 263                      (buffer-string)))))
 264       (if (stringp lsb)
 265           (insert "System " lsb "\n")))
 266     (when (and system-configuration-options
 267                (not (equal system-configuration-options "")))
 268       (insert "Configured using:\n 'configure "
 269               system-configuration-options "'\n\n")
 270       (fill-region (line-beginning-position -1) (point)))
 271     (insert "Configured features:\n" system-configuration-features "\n\n")
 272     (fill-region (line-beginning-position -1) (point))
 273     (insert "Important settings:\n")
 274     (mapc
 275      (lambda (var)
 276        (let ((val (getenv var)))
 277          (if val (insert (format "  value of $%s: %s\n" var val)))))
 278      '("EMACSDATA" "EMACSDOC" "EMACSLOADPATH" "EMACSPATH"
 279        "LC_ALL" "LC_COLLATE" "LC_CTYPE" "LC_MESSAGES"
 280        "LC_MONETARY" "LC_NUMERIC" "LC_TIME" "LANG" "XMODIFIERS"))
 281     (insert (format "  locale-coding-system: %s\n" locale-coding-system))
 282     ;; Only ~ 0.2% of people from a sample of 3200 changed this from
 283     ;; the default, t.
 284     (or (default-value 'enable-multibyte-characters)
 285         (insert (format "  default enable-multibyte-characters: %s\n"
 286                         (default-value 'enable-multibyte-characters))))
 287     (insert "\n")
 288     (insert (format "Major mode: %s\n"
 289                     (format-mode-line
 290                      (buffer-local-value 'mode-name from-buffer)
 291                      nil nil from-buffer)))
 292     (insert "\n")
 293     (insert "Minor modes in effect:\n")
 294     (dolist (mode minor-mode-list)
 295       (and (boundp mode) (buffer-local-value mode from-buffer)
 296            (insert (format "  %s: %s\n" mode
 297                            (buffer-local-value mode from-buffer)))))
 298     (let ((message-buf (get-buffer "*Messages*")))
 299       (if message-buf
 300           (let (beg-pos
 301                 (end-pos message-end-point))
 302             (with-current-buffer message-buf
 303               (goto-char end-pos)
 304               (forward-line -10)
 305               (setq beg-pos (point)))
 306             (insert "\nRecent messages:\n")
 307             (insert-buffer-substring message-buf beg-pos end-pos))))
 308     ;; After Recent messages, to avoid the messages produced by
 309     ;; list-load-path-shadows.
 310     (unless (looking-back "\n" (1- (point)))
 311       (insert "\n"))
 312     (insert "\n")
 313     (insert "Load-path shadows:\n")
 314     (let* ((msg "Checking for load-path shadows...")
 315            (result "done")
 316            (shadows (progn (message "%s" msg)
 317                            (condition-case nil (list-load-path-shadows t)
 318                              (error
 319                               (setq result "error")
 320                               "Error during checking")))))
 321       (message "%s%s" msg result)
 322       (insert (if (zerop (length shadows))
 323                   "None found.\n"
 324                 shadows)))
 325     (insert (format "\nFeatures:\n%s\n" features))
 326     (fill-region (line-beginning-position 0) (point))
 327
 328     (insert (format "\nMemory information:\n"))
 329     (pp (garbage-collect) (current-buffer))
 330
 331     ;; This is so the user has to type something in order to send easily.
 332     (use-local-map (nconc (make-sparse-keymap) (current-local-map)))
 333     (define-key (current-local-map) "\C-c\C-i" 'info-emacs-bug)
 334     (if can-insert-mail
 335         (define-key (current-local-map) "\C-c\M-i"
 336           'report-emacs-bug-insert-to-mailer))
 337     (setq report-emacs-bug-send-command (get mail-user-agent 'sendfunc)
 338           report-emacs-bug-send-hook (get mail-user-agent 'hookvar))
 339     (if report-emacs-bug-send-command
 340         (setq report-emacs-bug-send-command
 341               (symbol-name report-emacs-bug-send-command)))
 342     (unless report-emacs-bug-no-explanations
 343       (with-output-to-temp-buffer "*Bug Help*"
 344         (princ "While in the mail buffer:\n\n")
 345         (if report-emacs-bug-send-command
 346             (princ (substitute-command-keys
 347                     (format "  Type \\[%s] to send the bug report.\n"
 348                             report-emacs-bug-send-command))))
 349         (princ (substitute-command-keys
 350                 "  Type \\[kill-buffer] RET to cancel (don't send it).\n"))
 351         (if can-insert-mail
 352             (princ (substitute-command-keys
 353                     "  Type \\[report-emacs-bug-insert-to-mailer] to copy text to your preferred mail program.\n")))
 354         (terpri)
 355         (princ (substitute-command-keys
 356                 "  Type \\[info-emacs-bug] to visit in Info the Emacs Manual section
 357     about when and how to write a bug report, and what
 358     information you should include to help fix the bug.")))
 359       (shrink-window-if-larger-than-buffer (get-buffer-window "*Bug Help*")))
 360     ;; Make it less likely people will send empty messages.
 361     (if report-emacs-bug-send-hook
 362         (add-hook report-emacs-bug-send-hook 'report-emacs-bug-hook nil t))
 363     (goto-char (point-max))
 364     (skip-chars-backward " \t\n")
 365     (make-local-variable 'report-emacs-bug-orig-text)
 366     (setq report-emacs-bug-orig-text
 367           (buffer-substring-no-properties (point-min) (point)))
 368     (goto-char user-point)))
 369
 370 (define-obsolete-function-alias 'report-emacs-bug-info 'info-emacs-bug "24.3")
 371
 372 (defun report-emacs-bug-hook ()
 373   "Do some checking before sending a bug report."
 374   (save-excursion
 375     (goto-char (point-max))
 376     (skip-chars-backward " \t\n")
 377     (and (= (- (point) (point-min))
 378             (length report-emacs-bug-orig-text))
 379          (string-equal (buffer-substring-no-properties (point-min) (point))
 380                        report-emacs-bug-orig-text)
 381          (error "No text entered in bug report"))
 382     ;; Warning for novice users.
 383     (unless (or report-emacs-bug-no-confirmation
 384                 (yes-or-no-p
 385                  "Send this bug report to the Emacs maintainers? "))
 386       (goto-char (point-min))
 387       (if (search-forward "To: ")
 388           (delete-region (point) (line-end-position)))
 389       (if report-emacs-bug-send-hook
 390           (kill-local-variable report-emacs-bug-send-hook))
 391       (with-output-to-temp-buffer "*Bug Help*"
 392         (princ (substitute-command-keys
 393                 (format "\
 394 You invoked the command M-x report-emacs-bug,
 395 but you decided not to mail the bug report to the Emacs maintainers.
 396
 397 If you want to mail it to someone else instead,
 398 please insert the proper e-mail address after \"To: \",
 399 and send the mail again%s."
 400                         (if report-emacs-bug-send-command
 401                             (format " using \\[%s]"
 402                                     report-emacs-bug-send-command)
 403                           "")))))
 404       (error "M-x report-emacs-bug was canceled, please read *Bug Help* buffer"))
 405     ;; Query the user for the SMTP method, so that we can skip
 406     ;; questions about From header validity if the user is going to
 407     ;; use mailclient, anyway.
 408     (when (or (and (derived-mode-p 'message-mode)
 409                    (eq message-send-mail-function 'sendmail-query-once))
 410               (and (not (derived-mode-p 'message-mode))
 411                    (eq send-mail-function 'sendmail-query-once)))
 412       (sendmail-query-user-about-smtp)
 413       (when (derived-mode-p 'message-mode)
 414         (setq message-send-mail-function (message-default-send-mail-function))))
 415     (or report-emacs-bug-no-confirmation
 416         ;; mailclient.el does not need a valid From
 417         (if (derived-mode-p 'message-mode)
 418             (eq message-send-mail-function 'message-send-mail-with-mailclient)
 419           (eq send-mail-function 'mailclient-send-it))
 420         ;; Not narrowing to the headers, but that's OK.
 421         (let ((from (mail-fetch-field "From")))
 422           (and (or (not from)
 423                    (message-bogus-recipient-p from)
 424                    ;; This is the default user-mail-address.  On today's
 425                    ;; systems, it seems more likely to be wrong than right,
 426                    ;; since most people don't run their own mail server.
 427                    (string-match (format "\\<%s@%s\\>"
 428                                          (regexp-quote (user-login-name))
 429                                          (regexp-quote (system-name)))
 430                                  from))
 431                (not (yes-or-no-p
 432                      (format-message "Is `%s' really your email address? "
 433                                      from)))
 434                (error "Please edit the From address and try again"))))))
 435
 436
 437 (provide 'emacsbug)
 438
 439 ;;; emacsbug.el ends here