$ git clone -n https://gitee.com/mgb01105731/libnbd_2.git /var/lib/mock/dist-an23.3-build-420562-72884/root/chroot_tmpdir/scmroot/libnbd_2
Cloning into '/var/lib/mock/dist-an23.3-build-420562-72884/root/chroot_tmpdir/scmroot/libnbd_2'...
$ git fetch origin 34e67dc1910c1042d7f13f0f4b43f97c8cb3ae18:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libnbd_2
 * [new ref]         34e67dc1910c1042d7f13f0f4b43f97c8cb3ae18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34e67dc Update to 1.20.3 from 1.18.5