$ git clone -n https://src.fedoraproject.org/rpms/libxcb.git /var/lib/mock/f33-build-308262-57195/root/chroot_tmpdir/scmroot/libxcb
Cloning into '/var/lib/mock/f33-build-308262-57195/root/chroot_tmpdir/scmroot/libxcb'...
$ git reset --hard f22c294cb11ccd6dc4dc25846b885b7674769ed7
HEAD is now at f22c294 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild