Add command C-c m in report-emacs-bug that puts the bug into preferred mailer.

Depends on xdg-email being available.

* lisp/mail/emacsbug.el (report-emacs-bug-insert-to-mailer)
(report-emacs-bug-can-use-xdg-email): New functions.
(report-emacs-bug): Set can-xdg-email to result of
report-emacs-bug-can-use-xdg-email.  If can-xdg-email bind
\C-cm to report-emacs-bug-insert-to-mailer and add help text
about it.

2 files changed, 59 insertions, 13 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1ae275213b3..0087163f097 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,18 +1,11 @@
 2010-08-17  Jan Djärv  <jan.h.d@swipnet.se>
 
-        * net/browse-url.el (browse-url-default-browser): Add cond
-        for browse-url-xdg-open
-        (browse-url-can-use-xdg-open, browse-url-xdg-open): New functions
-
-2010-08-17  Glenn Morris  <rgm@gnu.org>
-
-        * progmodes/cc-engine.el (c-new-BEG, c-new-END)
-        (c-fontify-recorded-types-and-refs): Define for compiler.
-        * progmodes/cc-mode.el (c-new-BEG, c-new-END): Move definitions
-        before use.
-
-        * calendar/icalendar.el (icalendar--convert-recurring-to-diary):
-        Fix format call.
+        * mail/emacsbug.el (report-emacs-bug-insert-to-mailer)
+        (report-emacs-bug-can-use-xdg-email): New functions.
+        (report-emacs-bug): Set can-xdg-email to result of
+        report-emacs-bug-can-use-xdg-email.  If can-xdg-email bind
+        \C-cm to report-emacs-bug-insert-to-mailer and add help text
+        about it.
 
 2010-08-17  Michael Albinus  <michael.albinus@gmx.de>
 
diff --git a/lisp/mail/emacsbug.el b/lisp/mail/emacsbug.el
index 478d7aa075f..91242b98aeb 100644
--- a/lisp/mail/emacsbug.el
+++ b/lisp/mail/emacsbug.el
@@ -74,6 +74,52 @@
 (declare-function message-sort-headers "message" ())
 (defvar message-strip-special-text-properties)
 
+(defun report-emacs-bug-can-use-xdg-email ()
+  "Check if xdg-email can be used, i.e. we are on Gnome, KDE or xfce4."
+  (and (getenv "DISPLAY")
+       (executable-find "xdg-email")
+       (or (getenv "GNOME_DESKTOP_SESSION_ID")
+           ;; GNOME_DESKTOP_SESSION_ID is deprecated, check on Dbus also.
+           (condition-case nil
+               (eq 0 (call-process
+                      "dbus-send" nil nil nil
+                                  "--dest=org.gnome.SessionManager"
+                                  "--print-reply"
+                                  "/org/gnome/SessionManager"
+                                  "org.gnome.SessionManager.CanShutdown"))
+             (error nil))
+           (equal (getenv "KDE_FULL_SESSION") "true")
+           (condition-case nil
+               (eq 0 (call-process
+                      "/bin/sh" nil nil nil
+                      "-c"
+                      "xprop -root _DT_SAVE_MODE|grep xfce4"))
+             (error nil)))))
+
+(defun report-emacs-bug-insert-to-mailer ()
+  (interactive)
+  (save-excursion
+    (let* ((to (progn
+                 (goto-char (point-min))
+                 (forward-line)
+                 (and (looking-at "^To: \\(.*\\)")
+                      (match-string-no-properties 1))))
+           (subject (progn
+                      (forward-line)
+                      (and (looking-at "^Subject: \\(.*\\)")
+                           (match-string-no-properties 1))))
+           (body (progn
+                   (forward-line 2)
+                   (if (> (point-max) (point))
+                       (buffer-substring-no-properties (point) (point-max))))))
+      (if (and to subject body)
+          (start-process "xdg-email" nil "xdg-email"
+                         "--subject" subject
+                         "--body" body
+                         (concat "mailto:" to))
+        (error "Subject, To or body not found")))))
+
+ 
 ;;;###autoload
 (defun report-emacs-bug (topic &optional recent-keys)
   "Report a bug in GNU Emacs.
@@ -93,6 +139,7 @@ Prompts for bug subject.  Leaves you in a mail buffer."
         (prompt-properties '(field emacsbug-prompt
                                    intangible but-helpful
                                    rear-nonsticky t))
+        (can-xdg-email (report-emacs-bug-can-use-xdg-email))
         user-point message-end-point)
     (setq message-end-point
           (with-current-buffer (get-buffer-create "*Messages*")
@@ -226,6 +273,9 @@ usually do not have translators to read other languages for them.\n\n")
     ;; This is so the user has to type something in order to send easily.
     (use-local-map (nconc (make-sparse-keymap) (current-local-map)))
     (define-key (current-local-map) "\C-c\C-i" 'report-emacs-bug-info)
+    (if can-xdg-email
+        (define-key (current-local-map) "\C-cm" 
+          'report-emacs-bug-insert-to-mailer))
     ;; Could test major-mode instead.
     (cond ((memq mail-user-agent '(message-user-agent gnus-user-agent))
            (setq report-emacs-bug-send-command "message-send-and-exit"
@@ -245,6 +295,9 @@ usually do not have translators to read other languages for them.\n\n")
                             report-emacs-bug-send-command))))
         (princ (substitute-command-keys
                 "  Type \\[kill-buffer] RET to cancel (don't send it).\n"))
+        (if can-xdg-email
+            (princ (substitute-command-keys
+                    "  Type \\[report-emacs-bug-insert-to-mailer] to insert text to you preferred mail program.\n")))
         (terpri)
         (princ (substitute-command-keys
                 "  Type \\[report-emacs-bug-info] to visit in Info the Emacs Manual section