$ git clone -n https://src.fedoraproject.org/rpms/nbdkit.git /var/lib/mock/f33-build-170991-43942/root/chroot_tmpdir/scmroot/nbdkit
Cloning into '/var/lib/mock/f33-build-170991-43942/root/chroot_tmpdir/scmroot/nbdkit'...
$ git reset --hard bb6a3d9caca0ef16942f77dc2cd06b66441028c2
HEAD is now at bb6a3d9 New upstream version 1.19.6.