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xdg-portal: assert that required paths are linked on NixOS

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Benedikt Rips 2025-10-28 22:19:24 +01:00 • committed by Austin Horstman
parent 0562fef070
commit d7b1ece79d
1 changed files with 23 additions and 3 deletions
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26
modules/misc/xdg-portal.nix
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@ -1,5 +1,6 @@
{
config,
osConfig,
pkgs,
lib,
...
@ -31,14 +32,14 @@ in
description = ''
Whether to enable [XDG desktop integration](https://github.com/flatpak/xdg-desktop-portal).
Note, if you use the NixOS module and have `useUserPackages = true`,
make sure to add
Note, if you installed Home Manager via its NixOS module and
'home-manager.useUserPackages' is enabled, make sure to add
``` nix
environment.pathsToLink = [ "/share/xdg-desktop-portal" "/share/applications" ];
```
to your system configuration so that the portal definitions and DE
to your NixOS configuration so that the portal definitions and DE
provided configurations get linked.
'';
};
@ -146,6 +147,25 @@ in
assertion = cfg.extraPortals != [ ];
message = "Setting xdg.portal.enable to true requires a portal implementation in xdg.portal.extraPortals such as xdg-desktop-portal-gtk or xdg-desktop-portal-kde.";
}
{
assertion =
let
onNixos = pkgs.stdenv.hostPlatform.isLinux && config.submoduleSupport.enable;
isLinked = path: lib.elem path osConfig.environment.pathsToLink;
in
onNixos && osConfig.home-manager.useUserPackages
-> isLinked "/share/applications" && isLinked "/share/xdg-desktop-portal";
message = ''
xdg.portal: since you installed Home Manager via its NixOS module and
'home-manager.useUserPackages' is enabled, you need to add
environment.pathsToLink = [ `/share/applications` `/share/xdg-desktop-portal` ];
to your NixOS configuration so that the portal definitions and DE
provided configurations get linked.
'';
}
];
home = {