$ git clone -n https://src.fedoraproject.org/rpms/hostname.git /var/lib/mock/f31-build-86748-31704/root/chroot_tmpdir/scmroot/hostname
Cloning into '/var/lib/mock/f31-build-86748-31704/root/chroot_tmpdir/scmroot/hostname'...
$ git reset --hard 204e4fef66e51532c0de737f87842c82fc53d00b
HEAD is now at 204e4fe - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild