$ git clone -n https://gitee.com/mgb01105731/syslinux.git /var/lib/mock/dist-an23-build-134077-48680/root/chroot_tmpdir/scmroot/syslinux
Cloning into '/var/lib/mock/dist-an23-build-134077-48680/root/chroot_tmpdir/scmroot/syslinux'...
$ git reset --hard 6afd4fd8d8b1a072160e028c60c55ee0832a5646
HEAD is now at 6afd4fd add doc package