[Install] WantedBy=graphical-session.target [Service] ExecStart=@picom@/bin/picom --config /nix/store/00000000000000000000000000000000-hm_picompicom.conf --legacy-backends Restart=always RestartSec=3 [Unit] After=graphical-session-pre.target Description=Picom X11 compositor PartOf=graphical-session.target