$ git clone -n https://gitee.com/fundawang/samba.git /var/lib/mock/dist-an23-build-182967-60211/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-an23-build-182967-60211/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin 2e97ba4cf0c9e3374917cdadf36d14da8013c277:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/samba
 * [new ref]         2e97ba4cf0c9e3374917cdadf36d14da8013c277 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e97ba4 4.17.4