$ git clone -n https://git.cclinux.org/stage/rpms/grub2.git /var/lib/mock/dist-circle9-build-124785-88562/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-circle9-build-124785-88562/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin dd78cb9d9c4ee7ccb46539600e7724b6c7ae8653:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/grub2
 * [new ref]         dd78cb9d9c4ee7ccb46539600e7724b6c7ae8653 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd78cb9 import grub2-2.06-92.el9