Add custom wm-ready systemd target, and run wl-gammarelay on it

home/.config/hypr/hyprland.conf

@@ -14,6 +14,7 @@
 exec-once = dbus-update-activation-environment --systemd WAYLAND_DISPLAY XDG_CURRENT_DESKTOP
 exec-once = systemctl --user import-environment WAYLAND_DISPLAY XDG_CURRENT_DESKTOP
 exec-once = systemctl --user start xdg-desktop-portal-hyprland
+exec-once = systemctl --user start wm-ready.target
 exec-once = /usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1
 
 exec-once = setbg

home/.config/systemd/user/wl-gammarelay.service

@@ -1,9 +1,10 @@
 [Unit]
-Description="Redshift and brightness control for Wayland "
+Description="Redshift and brightness control for Wayland"
+BindsTo=graphical-session.target
 
 [Service]
 ExecStart=/usr/bin/wl-gammarelay-rs run
 Restart=on-failure
 
 [Install]
-WantedBy=graphical-session.target
+WantedBy=wm-ready.target

home/.config/systemd/user/wm-ready.target

@@ -0,0 +1,3 @@
+[Unit]
+Description=Window Manager loaded and ready
+BindsTo=graphical-session.target

home/.config/systemd/user/wm-ready.target.wants/wl-gammarelay.service

@@ -0,0 +1 @@
+/home/itsdrike/.config/systemd/user/wl-gammarelay.service

home/.local/bin/scripts/gui/hyprland/launch-hypr

@@ -11,3 +11,7 @@ HYPRLAND_LOG="${XDG_CACHE_HOME:-$HOME/.cache}/hyprlog.txt"
 echo "---------- NEW RUN $(date) ----------" >> "$HYPRLAND_LOG"
 Hyprland 2>&1 | awk '{ print strftime("%s: "), $0, fflush(); }' | tee -a "$HYPRLAND_LOG"
 echo "---------- ENDED $(date) ----------" >> "$HYPRLAND_LOG"
+
+if systemctl --user is-active wm-ready.target &>/dev/null; then
+    systemctl --user stop wm-ready.target
+fi