Place dunst.service in session.slice

[Atemu]

By default, systemd would place it in app.slice which doesn't make sense; that's where apps go, not daemons that are part of the desktop session.

session.slice makes a lot more sense for a daemon that's part of the desktop session.

Related: flatpak/xdg-desktop-portal-gtk#504

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@@           Coverage Diff           @@
##           master    #1397   +/-   ##
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  Coverage   65.14%   65.14%           
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  Files          50       50           
  Lines        8651     8651           
  Branches     1022     1022           
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  Hits         5636     5636           
  Misses       3015     3015           

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[bynect]

Could you link some docs about the slice option? I found this https://www.freedesktop.org/software/systemd/man/latest/systemd.slice.html where it says

By default, service and scope units are placed in system.slice, virtual machines and containers registered with systemd-machined(8) are found in machine.slice, and user sessions handled by systemd-logind(8) in user.slice. See systemd.special(7) for more information

Maybe I am misinterpreting this but shouldn't the service be added by default to system.slice?

[Atemu]

The upstream docs are confusing on this but this is a user service, not a system service. I could not find it documented but user services appear to be placed in app.slice by default.

[bynect]

I found this https://www.freedesktop.org/software/systemd/man/latest/systemd.resource-control.html
which mentions user.slice and session.slice
The docs of systemd really are 💩 though