$ git clone -n https://gitee.com/src-anolis-os/grub2.git /var/lib/mock/dist-an23-build-552026-88923/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-552026-88923/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin 3e6c16565cea718cb4d9cde26fcd7c2f9e1a197a:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/grub2
 * [new ref]         3e6c16565cea718cb4d9cde26fcd7c2f9e1a197a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e6c165 Adapt NX patches for Anolis EFI loader stack