$ git clone -n http://git.inferitos.ru/rpms/nbdkit /var/lib/mock/inferit-9_1-updates-build-7670-13538/root/chroot_tmpdir/scmroot/nbdkit
Cloning into '/var/lib/mock/inferit-9_1-updates-build-7670-13538/root/chroot_tmpdir/scmroot/nbdkit'...
$ git fetch origin changed/i9c/nbdkit-1.30.8-2.el9_1:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/nbdkit
 * [new tag]         changed/i9c/nbdkit-1.30.8-2.el9_1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 152a503 import nbdkit-1.30.8-2.el9_1