$ git clone -n https://gitee.com/mgb01105731/libnbd_2.git /var/lib/mock/dist-an23.3-build-418924-72878/root/chroot_tmpdir/scmroot/libnbd_2
Cloning into '/var/lib/mock/dist-an23.3-build-418924-72878/root/chroot_tmpdir/scmroot/libnbd_2'...
$ git fetch origin 7bb87aa9740deebb2bee7d6de76d5bd1e77a1676:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libnbd_2
 * [new ref]         7bb87aa9740deebb2bee7d6de76d5bd1e77a1676 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bb87aa Update to 1.20.3 from 1.18.5