+ # if we are called from systemd itself, because some .service specified
+ # invocation via /sbin/service. this avoids loops
+ # detect this via CMDLINE var, which has leaked from geninitrd
+ if [ -n "$CMDLINE" ]; then
+ echo >&2 "Warning: CMDLINE env set, likely you are defining .service to use /sbin/service, please use /etc/rc.d/init.d/<SERVICE> instead"
+ return 1
+ fi
+