nixcfg/homeManagerModules/desktopEnv/river/randomWallpaper.nix

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{
pkgs,
lib,
config,
...
}: let
swaybg-random = pkgs.writeShellScriptBin "swaybg-random" ''
directory=${config.home.homeDirectory}/.local/share/backgrounds
if [ -d "$directory" ]; then
while true; do
kill `pidof swaybg`
random_background=$(ls $directory/*.{png,jpg} | shuf -n 1)
swaybg -i $random_background
sleep 900
done
fi
'';
in {
options = {
desktopEnv.river.randomWallpaper.enable =
lib.mkEnableOption "Enables swaybg random wallpaper script.";
};
config = lib.mkIf config.desktopEnv.river.randomWallpaper.enable {
# Packages that should be installed to the user profile.
home.packages = with pkgs; [swaybg swaybg-random];
wayland.windowManager.river.extraConfig = "swaybg-random &";
};
}