$ git clone -n https://gitee.com/src-anolis-os/syslinux.git /var/lib/mock/dist-an23-build-141377-53403/root/chroot_tmpdir/scmroot/syslinux
Cloning into '/var/lib/mock/dist-an23-build-141377-53403/root/chroot_tmpdir/scmroot/syslinux'...
$ git reset --hard origin/a23
HEAD is now at 3c4db4c  optimise spec file & add doc package