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Every terminal window I open automatically attaches to a new tmux session. Closing the shell inside such a tmux session should detach the tmux client for the terminal window to close. This can be done by setting this option:

set -g detach-on-destroy on

However, when I kill the current session from the session overview (Ctrl+b,w,x,y), the tmux client also detaches. Instead, I would like it to stay attached so I can select another session from the session overview.

The question is, how can I have tmux detach when the session exits because the process it's running (i.e. the shell) exits but stay attached when the session is killed from the session overview?

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2 Answers 2

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You might be able to do this by having detach-on-destroy off but putting detach-client in the pane-exited hook.

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  • Thanks, that sounds promising. Do you have an example how this might look like?
    – danijar
    Commented May 15, 2019 at 3:44
  • This works for me, but you won't be able to use remain-on-exit normally at the same time: set -g remain-on-exit on set -g pane-died 'if -F "#{&&:#{==:#{session_windows},1},#{==:#{window_panes},1}}" "killp; detach" "killp"' set -g detach-on-destroy off
    – Nicholas Marriott
    Commented May 15, 2019 at 14:46
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Here it is a bit more readably:

set -g remain-on-exit on
set -g pane-died 'if -F "#{&&:#{==:#{session_windows},1},#{==:#{window_panes},1}}" "killp; detach" "killp"'
set -g detach-on-destroy off
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