$ git clone -n https://gitee.com/yueeranna/grub2.git /var/lib/mock/dist-an23-build-225786-62325/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-225786-62325/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard a51097a820b17fe1818edce59fcdf295de5d3de7
HEAD is now at a51097a fix remove dtb-xxx dir failed