125 lines
3.1 KiB
Nix
125 lines
3.1 KiB
Nix
{ config, pkgs, lib, flakeRoot, ... }:
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let
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username = config.defaultUser or "henrov";
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homeDir = "/home/${username}";
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wallpaperSrc = "${flakeRoot}/assets/Wallpapers";
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wallpaperDst = "${homeDir}/Wallpapers";
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script = pkgs.writeShellScript "wallpaper-sync-and-set.sh" ''
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#!/usr/bin/env bash
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set -euo pipefail
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SRC="${wallpaperSrc}"
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DST="${wallpaperDst}"
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mkdir -p "$SRC" "$DST"
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########################################
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# 2-way sync (additive, newer wins)
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########################################
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# SRC -> DST
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rsync -au "$SRC/" "$DST/"
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# DST -> SRC
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rsync -au "$DST/" "$SRC/"
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########################################
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# Initialize swww (safe if already running)
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########################################
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if ! pgrep -x swww-daemon >/dev/null; then
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swww init
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sleep 1
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fi
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########################################
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# Get workspaces
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########################################
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WORKSPACES=$(hyprctl workspaces -j | jq -r '.[].id')
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########################################
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# Function: set random wallpaper for workspace
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########################################
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set_wallpaper() {
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local WS="$1"
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WALL=$(find "$DST" -type f | shuf -n 1)
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if [ -n "$WALL" ]; then
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hyprctl dispatch workspace "$WS"
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swww img "$WALL" --transition-type any
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fi
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}
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########################################
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# If workspace passed → only update that
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########################################
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if [ "$#" -eq 1 ]; then
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set_wallpaper "$1"
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exit 0
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fi
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########################################
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# Otherwise: update all workspaces
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########################################
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for WS in $WORKSPACES; do
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set_wallpaper "$WS"
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done
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'';
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in
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{
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#################################
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# Packages
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#################################
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environment.systemPackages = with pkgs; [
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swww
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waypaper
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jq
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rsync
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];
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#################################
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# Service: main worker
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#################################
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systemd.user.services.wallpaperSync = {
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description = "2-way sync wallpapers + set random per workspace";
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after = [ "graphical-session.target" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${script}";
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};
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wantedBy = [ "default.target" ]; # run at login
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};
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#################################
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# Timer: every hour
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#################################
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systemd.user.timers.wallpaperSync = {
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description = "Run wallpaper sync hourly";
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnBootSec = "2min";
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OnUnitActiveSec = "1h";
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Persistent = true;
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};
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};
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#################################
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# Hyprland integration (new workspace)
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#################################
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# This assumes you manage Hyprland via Nix/Home Manager
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#################################
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environment.etc."hypr/hyprland.conf".text = lib.mkAfter ''
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# Run wallpaper script when workspace changes
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bind = SUPER, Return, exec, ${script}
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# Hook: when workspace is created/switched
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exec-once = hyprctl --batch "dispatch exec ${script}"
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'';
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}
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