$ git clone -n https://src.fedoraproject.org/rpms/echoping.git /var/lib/mock/f29-build-2168-666/root/thebuilddir/tmp/scmroot/echoping
Cloning into '/var/lib/mock/f29-build-2168-666/root/thebuilddir/tmp/scmroot/echoping'...
$ git reset --hard eafeff3824e3772250b5e91b3236350bac969513
HEAD is now at eafeff3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild