Re: [BUG] org-open-file immediately termininates when calling xdg-open that calls emacsclient

[Max Nikulin]

On 27/05/2022 13:19, Ihor Radchenko wrote:
> I managed to narrow down the reproducer with the following minimal
> configuration:
>
> ~/.emacs.d/init.el
> -----------------------
> (require 'server)
> (unless (server-running-p) (server-start))
> (setenv "DISPLAY" ":0.0")
> (define-key input-decode-map (kbd "C-[") [C-\[])
> ------------------------------
>
> With this exact init.el, trying to run
> (let ((process-connection-type nil))
>    (start-process-shell-command "1" nil "xdg-open ~/.bashrc"))

Does it mean that you can not reproduce it with emacsclient instead of 
xdg-open? Anyway I can not reproduce it with Emacs-27.1 from 
Ubuntu-20.04. You may try to add before emacsclient command something like

    strace -s64 -f -t -o /tmp/emacsclient.strace

or attach strace to the running emacs using -p PID option just before 
executing `start-process-shell-command' and kill strace just after.

My attempt:
- Minimal LXC container, so I had to install xdg-utils and file packages
- Notice
      file --mime-type ~/.bashrc
      /home/ubuntu/.bashrc: text/plain
  so I tried with ~/.bashrc and with a script that is really recognized
  as text/x-shellscript
- ~/.local/share/applications/emacsclient-local.desktop
  from your previous message
- ~/.config/mimeapps.list
     [Added Associations]
     text/x-shellscript=emacsclient-local.desktop
     [Default Applications]
     text/x-shellscript=emacsclient-local.desktop
   without such file xdg-open can not find a handler despite I believed
   that it scans ~/.local/share/applications/ for .desktop files.
   Maybe that part of code works only for x-scheme-handler/...
   MIME types.
- emacs &
- switch from some info buffer specific to Debian
- execute the command you provided.

New frame is open and it seems reliable.

P.S. Likely it is unrelated to your problem:
emacs -Q --daemon

Warning: due to a long standing Gtk+ bug
https://gitlab.gnome.org/GNOME/gtk/issues/221
Emacs might crash when run in daemon mode and the X11 connection is 
unexpectedly lost.
Using an Emacs configured with --with-x-toolkit=lucid does not have this 
problem.
Starting Emacs daemon.