$ git clone -n https://gitee.com/zhoujiajia111/grub2.git /var/lib/mock/dist-an23-build-465575-73955/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-465575-73955/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin 8eda38d7045c637344b32d5cd310eb94588393c6:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/grub2
 * [new ref]         8eda38d7045c637344b32d5cd310eb94588393c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8eda38d add patch fix cve