$ git clone -n https://git.cclinux.org/stage/rpms/grub2.git /var/lib/mock/dist-circle8_10-updates-build-119082-83196/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-119082-83196/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin 627030e1053822908f749b9037e406c6c22ec18e:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/grub2
 * [new ref]         627030e1053822908f749b9037e406c6c22ec18e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 627030e import grub2-2.02-158.el8_10