$ git clone -n https://gitee.com/mgb01105731/grub2_1.git /var/lib/mock/dist-an23-build-346904-70346/root/chroot_tmpdir/scmroot/grub2_1
Cloning into '/var/lib/mock/dist-an23-build-346904-70346/root/chroot_tmpdir/scmroot/grub2_1'...
$ git fetch origin 9927a62d7964edce2787884e574e6cc9b33ffb7b:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/grub2_1
 * [new ref]         9927a62d7964edce2787884e574e6cc9b33ffb7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9927a62 fix CVE-2023-4692 and CVE-2023-4693