$ git clone -n https://src.fedoraproject.org/rpms/xerces-c.git /var/lib/mock/f31-build-101032-33344/root/chroot_tmpdir/scmroot/xerces-c
Cloning into '/var/lib/mock/f31-build-101032-33344/root/chroot_tmpdir/scmroot/xerces-c'...
$ git reset --hard 8716d800a7ab7ddd326b9fd841576b6592d02265
HEAD is now at 8716d80 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild