$ git clone -n https://gitee.com/mgb01105731/libnbd_2.git /var/lib/mock/dist-an23.3-build-420137-72884/root/chroot_tmpdir/scmroot/libnbd_2
Cloning into '/var/lib/mock/dist-an23.3-build-420137-72884/root/chroot_tmpdir/scmroot/libnbd_2'...
$ git fetch origin 0a5d805638d7a35909ebd096c01861a70c5f5a4b:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libnbd_2
 * [new ref]         0a5d805638d7a35909ebd096c01861a70c5f5a4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a5d805 Update to 1.20.3 from 1.18.5