(Fkill_buffer): Don't assume buffer is current.
[bpt/emacs.git] / lisp / mail / emacsbug.el
1 ;;; emacsbug.el --- command to report Emacs bugs to appropriate mailing list.
2
3 ;; Copyright (C) 1985, 1994, 1997 Free Software Foundation, Inc.
4
5 ;; Author: K. Shane Hartman
6 ;; Maintainer: FSF
7 ;; Keywords: maint
8
9 ;; Not fully installed because it can work only on Internet hosts.
10 ;; This file is part of GNU Emacs.
11
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; any later version.
16
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
21
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
26
27 ;;; Commentary:
28
29 ;; `M-x report-emacs-bug ' starts an email note to the Emacs maintainers
30 ;; describing a problem. Here's how it's done...
31
32 ;;; Code:
33
34 ;; >> This should be an address which is accessible to your machine,
35 ;; >> otherwise you can't use this file. It will only work on the
36 ;; >> internet with this address.
37
38 (require 'sendmail)
39
40 (defvar bug-gnu-emacs "bug-gnu-emacs@prep.ai.mit.edu"
41 "Address of mailing list for GNU Emacs bugs.")
42
43 (defvar report-emacs-bug-pretest-address "emacs-pretest-bug@gnu.ai.mit.edu"
44 "Address of mailing list for GNU Emacs pretest bugs.")
45
46 (defvar report-emacs-bug-orig-text nil
47 "The automatically-created initial text of bug report.")
48
49 ;;;###autoload
50 (defvar report-emacs-bug-run-tersely nil
51 "*If non-nil, suppress confirmations for novice users.")
52
53 ;;;###autoload
54 (defun report-emacs-bug (topic &optional recent-keys)
55 "Report a bug in GNU Emacs.
56 Prompts for bug subject. Leaves you in a mail buffer."
57 ;; This strange form ensures that (recent-keys) is the value before
58 ;; the bug subject string is read.
59 (interactive (reverse (list (recent-keys) (read-string "Bug Subject: "))))
60 (let (user-point message-end-point)
61 (setq message-end-point
62 (with-current-buffer (get-buffer "*Messages*")
63 (point-max-marker)))
64 (compose-mail (if (string-match "\\..*\\..*\\." emacs-version)
65 ;; If there are four numbers in emacs-version,
66 ;; this is a pretest version.
67 report-emacs-bug-pretest-address
68 bug-gnu-emacs)
69 topic)
70 ;; The rest of this does not execute
71 ;; if the user was asked to confirm and said no.
72 (goto-char (point-min))
73 (re-search-forward (concat "^" (regexp-quote mail-header-separator) "\n"))
74 ;; Insert warnings for novice users.
75 (insert "This bug report will be sent to the Free Software Foundation,\n")
76 (let ((pos (point)))
77 (insert " not to your local site managers!!")
78 (put-text-property pos (point) 'face 'highlight))
79 (insert "\nPlease write in ")
80 (let ((pos (point)))
81 (insert "English")
82 (put-text-property pos (point) 'face 'highlight))
83 (insert ", because the Emacs maintainers do not have
84 translators to read other languages for them.\n\n")
85
86 (insert "In " (emacs-version) "\n")
87 (if (and system-configuration-options
88 (not (equal system-configuration-options "")))
89 (insert "configured using `configure "
90 system-configuration-options "'\n"))
91 (insert "\n")
92 (insert "Please describe exactly what actions triggered the bug\n"
93 "and the precise symptoms of the bug:\n\n")
94 (setq user-point (point))
95 (insert "\n\n\n"
96 "Recent input:\n")
97 (let ((before-keys (point)))
98 (insert (mapconcat (lambda (key)
99 (if (or (integerp key)
100 (symbolp key)
101 (listp key))
102 (single-key-description key)
103 (prin1-to-string key nil)))
104 (or recent-keys (recent-keys))
105 " "))
106 (save-restriction
107 (narrow-to-region before-keys (point))
108 (goto-char before-keys)
109 (while (progn (move-to-column 50) (not (eobp)))
110 (search-forward " " nil t)
111 (insert "\n"))))
112 (let ((message-buf (get-buffer "*Messages*")))
113 (if message-buf
114 (let (beg-pos
115 (end-pos message-end-point))
116 (with-current-buffer message-buf
117 (goto-char end-pos)
118 (forward-line -10)
119 (setq beg-pos (point)))
120 (insert "\n\nRecent messages:\n")
121 (insert-buffer-substring message-buf beg-pos end-pos))))
122 ;; This is so the user has to type something
123 ;; in order to send easily.
124 (use-local-map (nconc (make-sparse-keymap) (current-local-map)))
125 (define-key (current-local-map) "\C-c\C-i" 'report-emacs-bug-info)
126 (with-output-to-temp-buffer "*Bug Help*"
127 (if (eq mail-user-agent 'sendmail-user-agent)
128 (princ (substitute-command-keys
129 "Type \\[mail-send-and-exit] to send the bug report.\n")))
130 (princ (substitute-command-keys
131 "Type \\[kill-buffer] RET to cancel (don't send it).\n"))
132 (terpri)
133 (princ (substitute-command-keys
134 "Type \\[report-emacs-bug-info] to visit in Info the Emacs Manual section
135 about when and how to write a bug report,
136 and what information to supply so that the bug can be fixed.
137 Type SPC to scroll through this section and its subsections.")))
138 ;; Make it less likely people will send empty messages.
139 (make-local-variable 'mail-send-hook)
140 (add-hook 'mail-send-hook 'report-emacs-bug-hook)
141 ;; Discourage users to write non-English text.
142 (setq enable-multibyte-characters nil)
143 (save-excursion
144 (goto-char (point-max))
145 (skip-chars-backward " \t\n")
146 (make-local-variable 'report-emacs-bug-orig-text)
147 (setq report-emacs-bug-orig-text (buffer-substring (point-min) (point))))
148 (goto-char user-point)))
149
150 (defun report-emacs-bug-info ()
151 "Go to the Info node on reporting Emacs bugs."
152 (interactive)
153 (info)
154 (Info-directory)
155 (Info-menu "emacs")
156 (Info-goto-node "Bugs"))
157
158 (defun report-emacs-bug-hook ()
159 (save-excursion
160 (goto-char (point-max))
161 (skip-chars-backward " \t\n")
162 (if (and (= (- (point) (point-min))
163 (length report-emacs-bug-orig-text))
164 (equal (buffer-substring (point-min) (point))
165 report-emacs-bug-orig-text))
166 (error "No text entered in bug report"))
167
168 ;; Check the buffer contents and reject non-English letters.
169 (let ((charsets (delq 'ascii
170 (find-charset-region (point-min) (point-max)))))
171 (if charsets
172 (if (or report-emacs-bug-run-tersely
173 (y-or-n-p "Convert non-ASCII letters to hexadecimal? "))
174 (save-excursion
175 (goto-char (point-min))
176 (let ((enable-multibyte-characters nil)
177 (pattern (format "[%c-%c]" 128 255))
178 ch)
179 (while (re-search-forward pattern nil t)
180 (setq ch (preceding-char))
181 (delete-char -1)
182 (insert (format "=%02x" ch)))))
183 (error "Please convert non-ASCII characters to something else"))))
184
185 ;; The last warning for novice users.
186 (if (or report-emacs-bug-run-tersely
187 (yes-or-no-p
188 "Send this bug report to the Emacs maintainers? "))
189 ;; Just send the current mail.
190 nil
191 (goto-char (point-min))
192 (if (search-forward "To: ")
193 (let ((pos (point)))
194 (end-of-line)
195 (delete-region pos (point))))
196 (kill-local-variable 'mail-send-hook)
197 (with-output-to-temp-buffer "*Bug Help*"
198 (princ (substitute-command-keys "\
199 You invoked the command M-x report-emacs-bug,
200 but you decided not to mail the bug report to the Emacs maintainers.
201
202 If you want to mail it to someone else instead,
203 please insert the proper e-mail address after \"To: \",
204 and send the mail again using \\[mail-send-and-exit].")))
205 (error "M-x report-emacs-bug was cancelled, please read *Bug Help* buffer"))
206 ))
207
208 (provide 'emacsbug)
209
210 ;;; emacsbug.el ends here