$ git clone -n https://src.fedoraproject.org/rpms/libnbd.git /var/lib/mock/f33-build-620241-67442/root/chroot_tmpdir/scmroot/libnbd
Cloning into '/var/lib/mock/f33-build-620241-67442/root/chroot_tmpdir/scmroot/libnbd'...
$ git reset --hard 944e477bc7cc958abbbcd273fe7b9aff00c9efd4
HEAD is now at 944e477 New upstream stable version 1.6.4.