$ git clone -n https://src.fedoraproject.org/rpms/plotmm.git /var/lib/mock/f29-build-5555-1323/root/thebuilddir/tmp/scmroot/plotmm
Cloning into '/var/lib/mock/f29-build-5555-1323/root/thebuilddir/tmp/scmroot/plotmm'...
$ git reset --hard e36ebda26eb98bf28509d83fe2731b04e219addc
HEAD is now at e36ebda - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild