$ git clone -n https://gitee.com/src-anolis-os/grub2.git /var/lib/mock/dist-an23-build-550334-88823/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-550334-88823/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin 2b205ce4ff7b53072d3b7b12499d7162ca77492e:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/grub2
 * [new ref]         2b205ce4ff7b53072d3b7b12499d7162ca77492e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b205ce nx: align EFI memory attributes handling