$ git clone -n https://src.fedoraproject.org/rpms/libglvnd.git /var/lib/mock/f31-build-58696-28487/root/chroot_tmpdir/scmroot/libglvnd
Cloning into '/var/lib/mock/f31-build-58696-28487/root/chroot_tmpdir/scmroot/libglvnd'...
$ git reset --hard b16b4b78216511c9af08aba71796a6684d05a5c4
HEAD is now at b16b4b7 libglvnd 1.1.1