$ git clone -n https://gitee.com/rabbitali/grub2.git /var/lib/mock/dist-an23-build-450838-73466/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-450838-73466/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin b1392c01743482e6f0e8fa76c88b1355e66e1456:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/grub2
 * [new ref]         b1392c01743482e6f0e8fa76c88b1355e66e1456 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1392c0 Add patch to Fix CVE-2024-56738