$ git clone -n https://src.fedoraproject.org/rpms/nbdkit.git /var/lib/mock/f31-build-112785-34313/root/chroot_tmpdir/scmroot/nbdkit
Cloning into '/var/lib/mock/f31-build-112785-34313/root/chroot_tmpdir/scmroot/nbdkit'...
$ git reset --hard 0feddf862e37af165f668f5a76f3aa75250f0dfa
HEAD is now at 0feddf8 New upstream version 1.14.1. Fixes Denial of Service / Amplication Attack:   https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html