$ git clone -n https://gitee.com/src-opencloudos-rpms/nbdkit.git /var/lib/mock/dist-oc9-build-100691-64896/root/chroot_tmpdir/scmroot/nbdkit
Cloning into '/var/lib/mock/dist-oc9-build-100691-64896/root/chroot_tmpdir/scmroot/nbdkit'...
$ git fetch origin 981a47db8f1bdc3ab30e631a663f3510ca28cddd:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nbdkit
 * [new ref]         981a47db8f1bdc3ab30e631a663f3510ca28cddd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 981a47d import nbdkit-1.38.4-1.tl4