$ git clone -n https://src.fedoraproject.org/rpms/xerces-c27.git /var/lib/mock/f31-build-60816-28786/root/chroot_tmpdir/scmroot/xerces-c27
Cloning into '/var/lib/mock/f31-build-60816-28786/root/chroot_tmpdir/scmroot/xerces-c27'...
$ git reset --hard 7076664a59003191a100afd95cf2d2c040385cee
HEAD is now at 7076664 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild