$ git clone -n https://gitee.com/pkm031/grub2.git /var/lib/mock/dist-an23-build-514091-75110/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-514091-75110/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin e4ae3ca015d4168f099c30eab8a8bbf0369fc7fb:KOJI_FETCH_HEAD
From https://gitee.com/pkm031/grub2
 * [new ref]         e4ae3ca015d4168f099c30eab8a8bbf0369fc7fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4ae3ca Fix grub2 relocation overflow error when booting on numa configurations