Flatpak: Difference between revisions

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

== ~~Usage~~ ==

== Installation ==

=== Global ===

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|3=services.flatpak.enable = true;|name=/etc/nixos/configuration.nix|lang=nix}}

~~services.~~flatpak~~.enable = true;~~

=== Per-User ===

</~~nowiki~~>}}

If you'd rather make Flatpak available to a specific user, add <code>flatpak</code> to that user's packages

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|3=users.users."user" = {

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

users.users."user" = {

packages = with pkgs; [

flatpak

~~gnome-software~~

];

};

};|name=/etc/nixos/configuration.nix|lang=nix}}

</~~nowiki>~~}}

=== Window Managers / Compositors Patches ===

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 <code>.profile</code> file with an override for your <code>XDG_DATA_DIRS</code> path, e.g.:

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

{{file|3=export XDG_DATA_DIRS=$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share|name=.profile|lang=}}

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

~~</nowiki>~~}}

This is also required when installing <code>flatpak</code> on a per-user basis.

To ~~start using flatpaks~~, ~~particularly for~~ flatpak ~~development~~:

== Usage ==

=== Declarative ===

To manage Flatpak declaratively, you can either use [https://github.com/gmodena/nix-flatpak nix-flatpak] or [https://github.com/in-a-dil-emma/declarative-flatpak declarative-flatpak]

In the event of a Nix rollback, both modules will reinstall the previously declared Flatpak packages

<~~syntaxHighlight~~ lang=console>

==== [https://github.com/gmodena/nix-flatpak nix-flatpak] ====

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

A convergent approach to Flatpak management where refs are managed in place

Flatpak packages are not cached in the Nix store

It supports flakes or [[Home Manager|home-manager]], but doesn't support non-flakes only

For more details, see [https://github.com/gmodena/nix-flatpak/discussions/168 nix-flatpak/discussions/168]

==== [https://github.com/in-a-dil-emma/declarative-flatpak declarative-flatpak] ====

A congruent approach to Flatpak management where changes are designed to be atomic, ensuring that either they succeed or nothing happens. This module uses a temporary installation and then overwrites the current one.

It supports non-flake, flakes, and [[Home Manager|home-manager]]

For more details, see [https://github.com/in-a-dil-emma/declarative-flatpak/issues/44 declarative-flatpak/issues/44]

=== Imperative ===

==== Terminal User Interface ====

To manage Flatpak imperatively, you can use [https://docs.flatpak.org/en/latest/using-flatpak.html the <code>flatpak</code> command] ([https://docs.flatpak.org/en/latest/flatpak-command-reference.html <code>flatpak</code> Command Reference Documentation])

===== Example =====

<syntaxhighlight lang="console">$ flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

$ flatpak update

$ flatpak search ~~bustle~~

$ flatpak search Flatseal

$ flatpak install flathub ~~org~~.~~freedesktop~~.~~Bustle~~

$ flatpak install flathub com.github.tchx84.Flatseal

$ flatpak run ~~org~~.~~freedesktop~~.~~Bustle~~

$ flatpak run com.github.tchx84.Flatseal</syntaxhighlight>

</~~syntaxHighlight~~>

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

==== Graphical User Interface ====

To install Flatpaks graphically, you can use [https://apps.gnome.org/en-GB/Software/ the GNOME Software Application] ([https://search.nixos.org/packages?show=gnome-software <code>gnome-software</code> in nixpkgs])

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

'''Note''': installing Flatpaks through it is imperative

systemd.services.flatpak-repo = {

==== Configure Repositories Globally ====

{{Warning|This assumes you are not installing Flatpak packages [https://wiki.nixos.org/wiki/Flatpak#Declarative declaratively] (using [https://wiki.nixos.org/wiki/Flatpak#nix-flatpak nix-flatpak] or [https://wiki.nixos.org/wiki/Flatpak#declarative-flatpak declarative-flatpak])

Otherwise, the following section could conflict with them

If you are, prefer using [https://wiki.nixos.org/wiki/Flatpak#nix-flatpak nix-flatpak]'s <code>services.flatpak.remotes</code> or [https://wiki.nixos.org/wiki/Flatpak#declarative-flatpak declarative-flatpak]'s <code>services.flatpak.remotes</code> instead}}

To automatically configure Flatpak repositories for all users, one can add this snippet to <code>configuration.nix</code>:{{file|3=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

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

'';

};

};|name=/etc/nixos/configuration.nix|lang=nix}}

</~~nowiki>~~}}

== Development ==

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The following example builds a demo app of the [https://github.com/GNOME/libadwaita libadwaita] 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|3=services.flatpak.enable = true;

services.flatpak.enable = true;

environment.systemPackages = [

environment.systemPackages = [ pkgs.flatpak-builder ];

pkgs.flatpak-builder

</~~nowiki>~~}}

];|name=/etc/nixos/configuration.nix|lang=nix}}

Clone, build and run the example project.

<syntaxhighlight lang="console">$ flatpak remote-add --if-not-exists gnome-nightly https://nightly.gnome.org/gnome-nightly.flatpakrepo

$ flatpak remote-add --if-not-exists gnome-nightly https://nightly.gnome.org/gnome-nightly.flatpakrepo

$ flatpak install gnome-nightly org.gnome.Sdk org.gnome.Platform

$ git clone https://gitlab.gnome.org/GNOME/libadwaita.git

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$ nix shell nixpkgs#appstream

$ flatpak-builder --disable-tests --user --install build demo/org.gnome.Adwaita1.Demo.json

$ flatpak run org.gnome.Adwaita1.Demo.json

$ flatpak run org.gnome.Adwaita1.Demo.json</syntaxhighlight>

</syntaxhighlight>

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

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=== 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~~">

It is possible to install and run Flatpaks which were compiled for a different platform.

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

flatpak run ~~--user~~ com.adrienplazas.Metronome

In this example we imperatively install the application "Metronome" <code>aarch64</code> Flatpak package and run it (regardless of the architecture of the host, but in that case, it was <code>x86_64</code>):<syntaxhighlight lang="console">$ flatpak install flathub com.adrienplazas.Metronome --arch=aarch64

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

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

== Troubleshooting ==

@@ Line 3: / Line 3: @@
 This article extends the documentation in the [https://nixos.org/manual/nixos/stable/#module-services-flatpak NixOS manual].
-== Usage ==
+== Installation ==
+=== Global ===
 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|3=services.flatpak.enable = true;|name=/etc/nixos/configuration.nix|lang=nix}}
-services.flatpak.enable = true;
+=== Per-User ===
-</nowiki>}}
+If you'd rather make Flatpak available to a specific user, add <code>flatpak</code> to that user's packages
-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|3=users.users."user" = {
-{{file|/etc/nixos/configuration.nix|nix|<nowiki>
-  users.users."user" = {
      packages = with pkgs; [
        flatpak
-      gnome-software
      ];
-   };
+   };|name=/etc/nixos/configuration.nix|lang=nix}}
-</nowiki>}}
+=== Window Managers / Compositors Patches ===
 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 <code>.profile</code> file with an override for your <code>XDG_DATA_DIRS</code> path, e.g.:
-{{file|.profile|nix|<nowiki>
+{{file|3=export XDG_DATA_DIRS=$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share|name=.profile|lang=}}
-export XDG_DATA_DIRS=$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share
-</nowiki>}}
 This is also required when installing <code>flatpak</code> on a per-user basis.
-To start using flatpaks, particularly for flatpak development:
+== Usage ==
+=== Declarative ===
+To manage Flatpak declaratively, you can either use [https://github.com/gmodena/nix-flatpak nix-flatpak] or [https://github.com/in-a-dil-emma/declarative-flatpak declarative-flatpak]
+In the event of a Nix rollback, both modules will reinstall the previously declared Flatpak packages
+{{Expand|reason=Exemples are missing|scope=section}}
-<syntaxHighlight lang=console>
+==== [https://github.com/gmodena/nix-flatpak nix-flatpak] ====
-$ flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+A convergent approach to Flatpak management where refs are managed in place
+Flatpak packages are not cached in the Nix store
+It supports flakes or [[Home Manager|home-manager]], but doesn't support non-flakes only
+<small>For more details, see [https://github.com/gmodena/nix-flatpak/discussions/168 nix-flatpak/discussions/168]</small>
+==== [https://github.com/in-a-dil-emma/declarative-flatpak declarative-flatpak] ====
+A congruent approach to Flatpak management where changes are designed to be atomic, ensuring that either they succeed or nothing happens. This module uses a temporary installation and then overwrites the current one.
+It supports non-flake, flakes, and [[Home Manager|home-manager]]
+<small>For more details, see [https://github.com/in-a-dil-emma/declarative-flatpak/issues/44 declarative-flatpak/issues/44]</small>
+=== Imperative ===
+==== Terminal User Interface ====
+To manage Flatpak imperatively, you can use [https://docs.flatpak.org/en/latest/using-flatpak.html the <code>flatpak</code> command] ([https://docs.flatpak.org/en/latest/flatpak-command-reference.html <code>flatpak</code> Command Reference Documentation])
+===== Example =====
+<syntaxhighlight lang="console">$ flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
 $ flatpak update
-$ flatpak search bustle
+$ flatpak search Flatseal
-$ flatpak install flathub org.freedesktop.Bustle
+$ flatpak install flathub com.github.tchx84.Flatseal
-$ flatpak run org.freedesktop.Bustle
+$ flatpak run com.github.tchx84.Flatseal</syntaxhighlight>
-</syntaxHighlight>
-To automatically configure a flatpak repository for all users using the global configuration file, add this to your configuration.nix file.
+==== Graphical User Interface ====
+To install Flatpaks graphically, you can use [https://apps.gnome.org/en-GB/Software/ the GNOME Software Application] ([https://search.nixos.org/packages?show=gnome-software <code>gnome-software</code> in nixpkgs])
-{{file|/etc/nixos/configuration.nix|nix|<nowiki>
+<small>'''Note''': installing Flatpaks through it is imperative</small>
-  systemd.services.flatpak-repo = {
+==== Configure Repositories Globally ====
+{{Warning|This assumes you are not installing Flatpak packages [https://wiki.nixos.org/wiki/Flatpak#Declarative declaratively] (using [https://wiki.nixos.org/wiki/Flatpak#nix-flatpak nix-flatpak] or [https://wiki.nixos.org/wiki/Flatpak#declarative-flatpak declarative-flatpak])
+Otherwise, the following section could conflict with them
+If you are, prefer using [https://wiki.nixos.org/wiki/Flatpak#nix-flatpak nix-flatpak]'s <code>services.flatpak.remotes</code> or [https://wiki.nixos.org/wiki/Flatpak#declarative-flatpak declarative-flatpak]'s <code>services.flatpak.remotes</code> instead}}
+To automatically configure Flatpak repositories for all users, one can add this snippet to <code>configuration.nix</code>:{{file|3=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
+       flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
      '';
-   };
+   };|name=/etc/nixos/configuration.nix|lang=nix}}
-</nowiki>}}
 == Development ==
@@ Line 57: / Line 86: @@
 The following example builds a demo app of the [https://github.com/GNOME/libadwaita libadwaita] 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|3=services.flatpak.enable = true;
-services.flatpak.enable = true;
+environment.systemPackages = [
-environment.systemPackages = [ pkgs.flatpak-builder ];
+  pkgs.flatpak-builder
-</nowiki>}}
+];|name=/etc/nixos/configuration.nix|lang=nix}}
 Clone, build and run the example project.
-<syntaxhighlight lang="console">
+<syntaxhighlight lang="console">$ flatpak remote-add --if-not-exists gnome-nightly https://nightly.gnome.org/gnome-nightly.flatpakrepo
-$ flatpak remote-add --if-not-exists gnome-nightly https://nightly.gnome.org/gnome-nightly.flatpakrepo
 $ flatpak install gnome-nightly org.gnome.Sdk org.gnome.Platform
 $ git clone https://gitlab.gnome.org/GNOME/libadwaita.git
@@ Line 71: / Line 99: @@
 $ nix shell nixpkgs#appstream
 $ flatpak-builder --disable-tests --user --install build demo/org.gnome.Adwaita1.Demo.json
-$ flatpak run org.gnome.Adwaita1.Demo.json
+$ flatpak run org.gnome.Adwaita1.Demo.json</syntaxhighlight>
-</syntaxhighlight>
 Note that the <code>gnome-nightly</code> repository and the <code>appstream</code> dependency are especially required for this specific project and might be different for other Flatpak projects.
@@ Line 79: / Line 106: @@
 === 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">
+It is possible to install and run Flatpaks which were compiled for a different platform.
-flatpak install --user --arch=aarch64 flathub com.adrienplazas.Metronome
-flatpak run --user com.adrienplazas.Metronome
+In this example we imperatively install the application "Metronome" <code>aarch64</code> Flatpak package and run it (regardless of the architecture of the host, but in that case, it was <code>x86_64</code>):<syntaxhighlight lang="console">$ flatpak install flathub com.adrienplazas.Metronome --arch=aarch64
-</syntaxhighlight>To support emulation with Qemu, [[QEMU#Run binaries of different architecture|following Binfmt configuration]] is required.
+$ flatpak run com.adrienplazas.Metronome</syntaxhighlight>To support emulation with Qemu, [[QEMU#Run binaries of different architecture|following Binfmt configuration]] is required.
 == Troubleshooting ==