$ git clone -n https://src.fedoraproject.org/rpms/git-lfs.git /var/lib/mock/f42-build-866278-173809/root/chroot_tmpdir/scmroot/git-lfs
Cloning into '/var/lib/mock/f42-build-866278-173809/root/chroot_tmpdir/scmroot/git-lfs'...
$ git fetch origin 3113b3668fba97e277797247cc68bdb6d319763d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/git-lfs
 * [new ref]         3113b3668fba97e277797247cc68bdb6d319763d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3113b36 Update to latest version (#2327737)