$ git clone -n https://gitee.com/src-opencloudos-rpms/nbdkit.git /var/lib/mock/dist-oc9-build-176197-79993/root/chroot_tmpdir/scmroot/nbdkit
Cloning into '/var/lib/mock/dist-oc9-build-176197-79993/root/chroot_tmpdir/scmroot/nbdkit'...
$ git fetch origin d2ac033129a1cd6d1a5f2a6507cc8bcdf9244ba1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nbdkit
 * [new ref]         d2ac033129a1cd6d1a5f2a6507cc8bcdf9244ba1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2ac033 import nbdkit-1.38.4-3.tl4