$ git clone -n https://src.fedoraproject.org/rpms/xerces-c.git /var/lib/mock/f31-build-60815-28786/root/chroot_tmpdir/scmroot/xerces-c
Cloning into '/var/lib/mock/f31-build-60815-28786/root/chroot_tmpdir/scmroot/xerces-c'...
$ git reset --hard d54bb8ec8b08dc49c720d99fec52e78e83908277
HEAD is now at d54bb8e - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild