$ git clone -n https://src.fedoraproject.org/rpms/filesystem.git /var/lib/mock/f33-build-286751-53664/root/chroot_tmpdir/scmroot/filesystem
Cloning into '/var/lib/mock/f33-build-286751-53664/root/chroot_tmpdir/scmroot/filesystem'...
$ git reset --hard b42fd207a123288b07cbcead8204c81b1906b71d
HEAD is now at b42fd20 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild