$ git clone -n https://gitee.com/lizhao2025/libnbd.git /var/lib/mock/dist-an23-build-496506-74608/root/chroot_tmpdir/scmroot/libnbd
Cloning into '/var/lib/mock/dist-an23-build-496506-74608/root/chroot_tmpdir/scmroot/libnbd'...
$ git fetch origin 0dede772560b2fc44f3a561a171b4f4cabf55973:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/libnbd
 * [new ref]         0dede772560b2fc44f3a561a171b4f4cabf55973 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0dede77 Update code from upstream