$ git clone -n https://gitee.com/mgb01105731/syslinux.git /var/lib/mock/dist-an23-build-134748-49616/root/chroot_tmpdir/scmroot/syslinux
Cloning into '/var/lib/mock/dist-an23-build-134748-49616/root/chroot_tmpdir/scmroot/syslinux'...
$ git reset --hard 657ab69614940aee90c01edd83b256bfffba7d4e
HEAD is now at 657ab69 add api & add doc package