Flatpak: Difference between revisions

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


== Usage ==
== Usage ==


Using this configuration, <code>flatpak</code> will be installed and ready for use globally for all users:
Using this configuration, <code>flatpak</code> will be installed and ready to use globally for all users:
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
services.flatpak.enable = true;
services.flatpak.enable = true;
</nowiki>}}
</nowiki>}}


If you'd rather make flatpak available on a specific user rather than globally, add <code>flatpak</code> to that user's packages. To be able to install flatpaks graphically, add the <code>gnome.gnome-software</code> package. The result will look something like this:
If you'd rather make flatpak available to a specific user, add <code>flatpak</code> to that user's packages. To be able to install flatpaks graphically, add the <code>gnome.gnome-software</code> package. The result will look something like this:


{{file|/etc/nixos/configuration.nix|nix|<nowiki>
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
Line 19: Line 19:
</nowiki>}}
</nowiki>}}


After adding the desired solution to your configuration file, flatpak will be installed, however it is not always added to your path directly, e.g. when you are using sway it will be not.
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 path while using a [https://nixos.wiki/wiki/Greetd 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 [https://nixos.wiki/wiki/Greetd 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.:
{{file|.profile|nix|<nowiki>
{{file|.profile|nix|<nowiki>
export XDG_DATA_DIRS=$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share
export XDG_DATA_DIRS=$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share
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== Development ==
== Development ==


=== Build Flatpak project ===
=== Build a Flatpak project ===


The following example builds a demo project of the [https://gitlab.gnome.org/GNOME/libhandy libhandy] repository using <code>flatpak-builder</code>, installs it locally in the user space and run it. First install <code>flatpak</code> and <code>flatpak-builder</code> on your system
The following example builds a demo project of the [https://gitlab.gnome.org/GNOME/libhandy libhandy] repository using <code>flatpak-builder</code>, installs it locally in the user space and runs it. First install <code>flatpak</code> and <code>flatpak-builder</code> on your system


{{file|/etc/nixos/configuration.nix|nix|<nowiki>
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
Line 48: Line 48:
</nowiki>}}
</nowiki>}}


Clone, build and run the example project. As for now [https://gitlab.gnome.org/GNOME/libhandy/-/merge_requests/844 a patch] for libhandy might be required to fix a bug in the build process.
Clone, build and run the example project. For now, [https://gitlab.gnome.org/GNOME/libhandy/-/merge_requests/844 a patch] for libhandy might be required to fix a bug in the build process.


<syntaxHighlight lang=console>
<syntaxHighlight lang=console>

Revision as of 17:20, 16 October 2023

Flatpak is a Linux application sandboxing and distribution framework.

Usage

Using this configuration, flatpak will be installed and ready to use globally for all users:

/etc/nixos/configuration.nix
services.flatpak.enable = true;

If you'd rather make flatpak available to a specific user, add flatpak to that user's packages. To be able to install flatpaks graphically, add the gnome.gnome-software package. The result will look something like this:

/etc/nixos/configuration.nix
  users.users.'&lt;user&gt;' = {
    packages = with pkgs; [
      flatpak
      gnome.gnome-software
    ];
  };

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 Sway, create a .profile file with an override for your XDG_DATA_DIRS path, e.g.:

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

This is also required when installing flatpak on a per-user basis.

To start using flatpaks, particularly for flatpak development:

$ flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
$ flatpak update
$ flatpak search bustle
$ flatpak install flathub org.freedesktop.Bustle
$ flatpak run org.freedesktop.Bustle

Development

Build a Flatpak project

The following example builds a demo project of the libhandy repository using flatpak-builder, installs it locally in the user space and runs it. First install flatpak and flatpak-builder on your system

/etc/nixos/configuration.nix
services.flatpak.enable = true;
environment.systemPackages = [ pkgs.flatpak-builder ];

Clone, build and run the example project. For now, a patch for libhandy might be required to fix a bug in the build process.

$ flatpak remote-add --if-not-exists gnome-nightly https://nightly.gnome.org/gnome-nightly.flatpakrepo
$ flatpak install org.gnome.Sdk/x86_64/master org.gnome.Platform/x86_64/master
$ git clone https://gitlab.gnome.org/GNOME/libhandy.git
$ cd libhandy
$ flatpak-builder --user --install _flatpak examples/sm.puri.Handy.Demo.json
$ flatpak run sm.puri.Handy.Demo

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

Troubleshooting

Missing themes and cursors

If you have issues with cursors or themes in general, take a look at Fonts