$ git clone -n https://src.fedoraproject.org/rpms/libdmx.git /var/lib/mock/f31-build-58485-28455/root/chroot_tmpdir/scmroot/libdmx
Cloning into '/var/lib/mock/f31-build-58485-28455/root/chroot_tmpdir/scmroot/libdmx'...
$ git reset --hard 3848ea6b0a37d32ca4bfc24d5c6a951508e807ba
HEAD is now at 3848ea6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild