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== Calls to dbus-update-activation-environment ==


Note that the default sway configuration template <code>/etc/sway/config</code> includes <code>/etc/sway/config.d/*</code>,
and specifically includes <code>/etc/sway/config.d/nixos.conf</code>, which has the following contents:
    # Import the most important environment variables into the D-Bus and systemd
    # user environments (e.g. required for screen sharing and Pinentry prompts):
    exec dbus-update-activation-environment --systemd DISPLAY WAYLAND_DISPLAY SWAYSOCK XDG_CURRENT_DESKTOP
Likewise, the example configuration in the wiki creates a script <code>/bin/dbus-sway-environment</code> that attempts
to call <code>dbus-update-activation-environment</code>. (In spite of the partial redundancy with
<code>/etc/sway/config.d/nixos.conf</code>, the dbus-sway-environment script still seems to be necessary to get the
required user dbus services successfully started.) However, neither of these attempts to execute
    dbus-update-activation-environment
works unless dbus-update-activation-environment is in the
path (e.g., unless there is a symlink <code>/run/current-system/sw/bin/dbus-update-activation-environment</code>
pointing at the executable somewhere under <code>/nix/store/</code>).  To get dbus-update-activation-environment
and the other binaries from the dbus package into the general path, one should add <code>pkgs.dbus</code>
to the environment.systemPackages list in configuration.nix. (If using home manager, this
might be accomplished by other means.)
== Change of Wiki ==
Scenario:
On real hardware, I installed nixos with calamares but no desktop environment selected. Then, I proceeded with flakes and home manager proper configuration. Then I tried to follow the sway guide for home manager. It was then that I ran into this issue <https://discourse.nixos.org/t/wlr-errors-when-trying-to-start-sway/28698>. The solution of that thread worked for me.
So, I propose that <hardware.opengl.enable = true>  to be added in the sway with home manager session,
To set up Sway using [[Home Manager]], first you must enable [[Polkit]] in your nix configuration:
security.polkit.enable = true;
Additionally, you must enable opengl in your nix configuration //<<<<NEW LINE 1>>>>
hardware.opengl.enable = true; //<<<<NEW LINE 2>>>>
A general suggestion of 2 new lines can be seen above.
I just registered and I am new to nixos. I don't know the rules about editing the page, so I decided to post it as discussion first.
Thank you! [[User:RafTeog|RafTeog]] ([[User talk:RafTeog|talk]]) 19:31, 2 May 2024 (UTC)
:Hello RafTeog,
:you can just start to edit the main page here. Its sometimes difficult to see whether a fix is just needed because you have some special circumstances. I am not a Sway user - maybe there are some circumstances where you dont need OpenGL, because you have an xserver enabled?
:It may be a good way to just add a „Troubleshooting“ chapter and add your information about opengl and a link to the discource-discussion as a subsection. And: The troubleshooting chapter is already in this article. Maybe a subchapter like „Errors when trying to start sway?“.
:Just start to contribute - have fun while doing it. Lets make this wiki ready for the 24.5 release together. [[User:Klinger|Klinger]] ([[User talk:Klinger|talk]]) 21:04, 2 May 2024 (UTC)
::Greetings,
::I will do that, and follow all the advices provided.
::Thank you very much, glad to be here!  [[User:RafTeog|RafTeog]] ([[User talk:RafTeog|talk]]) 00:47, 3 May 2024 (UTC)
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