$ git clone -n https://src.fedoraproject.org/rpms/rakudo-MIME-Base64.git /var/lib/mock/f33-build-292707-54861/root/chroot_tmpdir/scmroot/rakudo-MIME-Base64
Cloning into '/var/lib/mock/f33-build-292707-54861/root/chroot_tmpdir/scmroot/rakudo-MIME-Base64'...
$ git reset --hard b6bc1f681b8ef5514a58dd45e5e0fa7a43ef20e4
HEAD is now at b6bc1f6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild