On Fri, May 27, 2016 at 8:28 AM, Andrew Lutomirski <l...@mit.edu> wrote:
>
> Either the scope code is buggy or has IMO very strange behavior:
>
> $ systemd-run --user --scope echo foo
> Running scope as unit run-4980.scope.
> foo
>
> $ systemctl --user status run-4980.scope
> ● run-4980.scope - /usr/bin/echo foo
>    Loaded: loaded (/run/user/1000/systemd/user/run-4980.scope; static;
> vendor preset: enabled)
>   Drop-In: /run/user/1000/systemd/user/run-4980.scope.d
>            └─50-Description.conf
>    Active: active (running) since Fri 2016-05-27 08:16:03 PDT; 14s ago
>

I played with this a bit.  At least for now, I can get useful behavior
like this:

$ systemd-run --user --service-type=forking /bin/bash -c "/bin/sleep 20 &"
Running as unit run-7737.service.

The service will continue to exist until the whole process tree goes
away.  Shouldn't this be the *default* for --scope (and for tmux,
screen, and nohup)?

Also, ISTM someone (systemd?) should supply a really simple DSO that
programs can use to indicate their desire to create a long-running
process tree like this.
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