$ git clone -n https://src.fedoraproject.org/rpms/nbdkit.git /var/lib/mock/f33-build-351553-60010/root/chroot_tmpdir/scmroot/nbdkit
Cloning into '/var/lib/mock/f33-build-351553-60010/root/chroot_tmpdir/scmroot/nbdkit'...
$ git reset --hard f9b6bca75bd87522eeb5b7c6b9459f3bb9a8433f
HEAD is now at f9b6bca Rebuild for OCaml 4.11.1 in Fedora 33.