$ git clone -n https://src.fedoraproject.org/rpms/xu4.git /var/lib/mock/f31-build-61143-28827/root/chroot_tmpdir/scmroot/xu4
Cloning into '/var/lib/mock/f31-build-61143-28827/root/chroot_tmpdir/scmroot/xu4'...
$ git reset --hard bc722dac326a62fe20954842d992c33e10057093
HEAD is now at bc722da - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild