$ git clone -n https://gitee.com/yueeranna/syslinux.git /var/lib/mock/dist-an23-build-243373-63127/root/chroot_tmpdir/scmroot/syslinux
Cloning into '/var/lib/mock/dist-an23-build-243373-63127/root/chroot_tmpdir/scmroot/syslinux'...
$ git reset --hard 1d750c02f438fc578146f1e213a920c9eb92af44
HEAD is now at 1d750c0 remove unnecessary BuildRequires