$ git clone -n https://gitee.com/src-anolis-os/grub2.git /var/lib/mock/dist-an23-build-370699-71427/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-370699-71427/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin c2bee48cf852e975001ce931afbac0a7740ec3bf:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/grub2
 * [new ref]         c2bee48cf852e975001ce931afbac0a7740ec3bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2bee48 fix issue with new xfs superblock