Flatpak: Difference between revisions

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[https://www.flatpak.org/ Flatpak] is a Linux application sandboxing and distribution framework.

This article extends the documentation in the [https://nixos.org/manual/nixos/stable/#module-services-flatpak NixOS manual].

== Usage ==

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After adding the desired solution to your configuration file, Flatpak will be installed, but it is not always added to your path directly, e.g. when you are using Sway.

To manually add it to the path while using the [[Greetd]] login manager and [~~https://nixos.wiki/wiki/Sway~~ Sway], create a <code>.profile</code> file with an override for your <code>XDG_DATA_DIRS</code> path, e.g.:

To manually add it to the path while using the [[Greetd]] login manager and [[Sway]], create a <code>.profile</code> file with an override for your <code>XDG_DATA_DIRS</code> path, e.g.:

{{file|.profile|nix|<nowiki>

export XDG_DATA_DIRS=$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share

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$ flatpak run org.freedesktop.Bustle

</syntaxHighlight>

To automatically configure a flatpak repository for all users using the global configuration file, add this to your configuration.nix file.

{{file|/etc/nixos/configuration.nix|nix|<nowiki>

systemd.services.flatpak-repo = {

wantedBy = [ "multi-user.target" ];

path = [ pkgs.flatpak ];

script = ''

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

'';

};

</nowiki>}}

== Development ==

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Note that the <code>gnome-nightly</code> repository and its dependencies are especially required for this specific project and might be different for other Flatpak projects.

== Tips and tricks ==

=== Emulate Flatpaks of different architecture ===

It is possible to install and run Flatpaks which were compiled for a different platform. In this example we start the application ''Metronome'' as aarch64 Flatpak on a x86_64 host:<syntaxhighlight lang="bash">

flatpak install --user --arch=aarch64 flathub com.adrienplazas.Metronome

flatpak run --user com.adrienplazas.Metronome

</syntaxhighlight>To support emulation with Qemu, [[QEMU#Run binaries of different architecture|following Binfmt configuration]] is required.

== Troubleshooting ==

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=== Missing themes and cursors ===

If you have issues with cursors or themes in general, take a look at [~~https://nixos.wiki/wiki/~~Fonts#Flatpak_applications_can~~.27t_find_system_fonts Fonts~~]

If you have issues with cursors or themes in general, take a look at [[Fonts#Flatpak_applications_can't_find_system_fonts]]

[[Category:Software]]

[[Category:NixOS Manual]]