File _servicedata of Package dracut-pcr-signature
<servicedata> <service name="tar_scm"> <param name="url">https://github.com/aplanas/dracut-pcr-signature.git</param> <param name="changesrevision">9f5e5bc9f0e8d9cd4c6dfcca8f5505acce98d3dd</param></service></servicedata>