$ git clone -n https://src.fedoraproject.org/rpms/git-lfs.git /var/lib/mock/f45-build-19953-565/root/chroot_tmpdir/scmroot/git-lfs
Cloning into '/var/lib/mock/f45-build-19953-565/root/chroot_tmpdir/scmroot/git-lfs'...
$ git fetch origin 07a19b0f5e841934354eafe2282bb0c1633a244a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/git-lfs
 * [new ref]         07a19b0f5e841934354eafe2282bb0c1633a244a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07a19b0 fix(git-lfs): run git maintenance synchronously during %check to stop flaky t-prune.sh