$ git clone -n https://src.fedoraproject.org/rpms/libglvnd.git /var/lib/mock/f31-build-99567-33178/root/chroot_tmpdir/scmroot/libglvnd
Cloning into '/var/lib/mock/f31-build-99567-33178/root/chroot_tmpdir/scmroot/libglvnd'...
$ git reset --hard d008f9f581a9ee8a22eaf06e167dad2a8a9df542
HEAD is now at d008f9f - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild