$ git clone -n https://src.fedoraproject.org/rpms/git-lfs.git /var/lib/mock/f40-build-2380529-60448/root/chroot_tmpdir/scmroot/git-lfs
Cloning into '/var/lib/mock/f40-build-2380529-60448/root/chroot_tmpdir/scmroot/git-lfs'...
$ git fetch origin 5de897f211a8c9a73471046dd0c10f1a22ff58e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/git-lfs
 * [new ref]         5de897f211a8c9a73471046dd0c10f1a22ff58e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5de897f Drop support for i686