let somaticsniper =
  let url =
    let deb_file = "somatic-sniper1.0.3_1.0.3_amd64.deb" in
    sprintf
      "http://apt.genome.wustl.edu/ubuntu/pool/main/s/somatic-sniper1.0.3/%s"
      deb_file
  in
  let binary = "somaticsniper" in
  let binary_in_deb = "usr/bin/bam-somaticsniper1.0.3" in
  let install_program ~path =
    KEDSL.Program.(shf "mv %s/%s %s/%s" path binary_in_deb path binary) in
  installable_tool Machine.Tool.Default.somaticsniper ~install_program ~url
    ~witness:(witness_file binary) ~init_program:add_to_dollar_path