$ git clone -n https://src.fedoraproject.org/rpms/R-udunits2.git /var/lib/mock/f33-build-294830-55400/root/chroot_tmpdir/scmroot/R-udunits2
Cloning into '/var/lib/mock/f33-build-294830-55400/root/chroot_tmpdir/scmroot/R-udunits2'...
$ git reset --hard f072c84a1943b4739fce6f311e54eaa92137e0e1
HEAD is now at f072c84 - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild