$ git clone -n https://gitee.com/opencloudos-stream/syslinux.git /var/lib/mock/dist-ocs23-build-34840-1696/root/chroot_tmpdir/scmroot/syslinux
Cloning into '/var/lib/mock/dist-ocs23-build-34840-1696/root/chroot_tmpdir/scmroot/syslinux'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/syslinux
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ae856b !1 Rebuilt for netpbm 11.02.00 Merge pull request !1 from abushwang/master