$ git clone -n https://gitee.com/mgb01105731/syslinux.git /var/lib/mock/dist-an23-build-133992-48160/root/chroot_tmpdir/scmroot/syslinux
Cloning into '/var/lib/mock/dist-an23-build-133992-48160/root/chroot_tmpdir/scmroot/syslinux'...
$ git reset --hard origin/a23
HEAD is now at 6afd4fd add doc package