fix error

modules/home/wallpaper/default.nix

@@ -6,61 +6,66 @@ let
     rev   = "40912e6418737e93b59a38bcf189270cbf26656d";
     hash  = "sha256-1QR3J+wgLVNjucPSVELv0FicNt+jM2KPLU5ubBfxjHI=";
   };
+
+  swwwScript = ./swww.sh;
 in {
   home.file."wallpapers" = {
     source = walls;
     recursive = true;
   };
 
-  home.file.".local/bin/set-wallpaper.sh" = {
-    source = ./set-wallpaper.sh;
+  home.packages = with pkgs; [
+    swww
+  ];
+
+  home.file.".config/swww/swww.sh" = {
+    source = swwwScript;
     executable = true;
   };
 
-  home.packages = with pkgs; [
-    swww
-    bash
-    findutils
-    coreutils
-  ];
-
-  systemd.user.services.swww = {
+  systemd.user.services."swww-daemon" = {
     Unit = {
-      Description = "swww init (Wayland wallpaper daemon)";
+      Description = "SWWW daemon";
       After = [ "graphical-session.target" ];
+      PartOf = [ "graphical-session.target" ];
     };
     Service = {
-      ExecStart = [ "${pkgs.swww}/bin/swww" "init" ];
+      Type = "simple";
+      Environment = [
+        "PATH=${lib.makeBinPath [ pkgs.swww pkgs.coreutils pkgs.findutils pkgs.bash ]}:$PATH"
+      ];
+      ExecStart = "${pkgs.bash}/bin/bash -lc 'if swww query >/dev/null 2>&1; then exit 0; else exec swww-daemon -f xrgb; fi'";
       Restart = "on-failure";
+      RestartSec = 2;
     };
     Install = {
       WantedBy = [ "graphical-session.target" ];
     };
   };
 
-  systemd.user.services."wallpaper-rotate" = {
+  systemd.user.services."change-wallpaper" = {
     Unit = {
-      Description = "Rotate wallpaper via swww";
-      After = [ "swww.service" "graphical-session.target" ];
-      Wants = [ "swww.service" ];
+      Description = "Set/rotate wallpaper via swww";
+      After = [ "swww-daemon.service" "graphical-session.target" ];
     };
     Service = {
       Type = "oneshot";
-      ExecStart = [ "${pkgs.bash}/bin/bash" "/home/moons/.local/bin/set-wallpaper.sh" ];
+      Environment = [
+        "PATH=${lib.makeBinPath [ pkgs.swww pkgs.coreutils pkgs.findutils pkgs.bash ]}:$PATH"
+      ];
+      ExecStart = "${pkgs.bash}/bin/bash -lc '$HOME/.config/swww/swww.sh'";
     };
     Install = {
-      WantedBy = [ "default.target" ];
+      WantedBy = [ "graphical-session.target" ];
     };
   };
 
-  systemd.user.timers."wallpaper-rotate" = {
+  systemd.user.timers."change-wallpaper" = {
     Unit = {
-      Description = "Change wallpaper every 1 minute";
+      Description = "Timer to change wallpapers every hour";
     };
     Timer = {
-      OnBootSec = "30s";
-      OnUnitActiveSec = "1min";
-      Unit = "wallpaper-rotate.service";
+      OnCalendar = "hourly";
       Persistent = true;
     };
     Install = {