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|
{ config, lib, pkgs, ... }:
let
cfg = config.local.randomWallpaper;
script = pkgs.writeShellApplication {
name = "set-random-wallpaper";
runtimeInputs = [ pkgs.coreutils pkgs.findutils ];
text = ''
set -euo pipefail
img=$(find "${cfg.directory}" \
-type f \( -iname '*.jpg' -o -iname '*.jpeg' -o -iname '*.png' \) \
| shuf -n1)
[ -n "$img" ] || exit 0
/usr/bin/osascript -e "tell application \"System Events\" to tell every desktop to set picture to \"$img\""
'';
};
in
{
options.local.randomWallpaper = {
enable = lib.mkEnableOption "Random Rotating Wallpaper";
directory = lib.mkOption {
type = lib.types.str;
description = "Folder containing images";
};
interval = lib.mkOption {
type = lib.types.int;
default = 1800;
description = "Seconds between wallpaper changes";
};
};
config = lib.mkIf cfg.enable {
launchd.user.agents.random-wallpaper.serviceConfig = {
Label = "org.rschanz.wallpaperDaemon";
ProgramArguments = [ "${script}/bin/set-random-wallpaper" ];
StartInterval = cfg.interval;
RunAtLoad = true;
ProcessType = "Background";
};
};
}
|
