$ git clone -n https://git.cclinux.org/stage/rpms/grubby.git /var/lib/mock/dist-circle9-build-120465-85134/root/chroot_tmpdir/scmroot/grubby
Cloning into '/var/lib/mock/dist-circle9-build-120465-85134/root/chroot_tmpdir/scmroot/grubby'...
$ git fetch origin c2ec763ca2400008cadccd4a6321c1f7b6b8ba12:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/grubby
 * [new ref]         c2ec763ca2400008cadccd4a6321c1f7b6b8ba12 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2ec763 import grubby-8.40-64.el9