(List
  (If
    (Pipeline
      (Com {[LIT_CHARS dpkg]} {[LIT_CHARS -s]} {[LIT_CHARS opscode-keyring]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
        >
      )
      (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[LIT_CHARS Status.] [LIT_OTHER "*"] [LIT_CHARS installed]})
    )
    (Com {[LIT_CHARS echo]} {[LIT_CHARS opscode-keyring]} {[LIT_CHARS is]} {[LIT_CHARS installed]})
    (ElseTrue)
    (List
      (Com {[LIT_CHARS apt-get]} {[LIT_CHARS update]})
      (Com {[LIT_CHARS apt-get]} {[LIT_CHARS --allow-unauthenticated]} {[LIT_CHARS -y]} {[LIT_CHARS install]} {[LIT_CHARS opscode-keyring]})
      (Com {[LIT_CHARS apt-get]} {[LIT_CHARS update]})
    )
  )
  (If
    (Pipeline
      (Com {[LIT_CHARS dpkg]} {[LIT_CHARS -s]} {[LIT_CHARS chef]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
        >
      )
      (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[LIT_CHARS Status.] [LIT_OTHER "*"] [LIT_CHARS installed]})
    )
    (Com {[LIT_CHARS echo]} {[LIT_CHARS chef]} {[LIT_CHARS is]} {[LIT_CHARS installed]})
    (ElseTrue)
    (If
      (Com {[LIT_OTHER "["]} {[LIT_CHARS -f]} {[LIT_CHARS chef-client.deb]} {[LIT_OTHER "]"]})
      (Com {[LIT_CHARS dpkg]} {[LIT_CHARS -i]} {[LIT_CHARS chef-client.deb]})
      (ElseTrue)
      (List
        (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Warning: chef-client.deb not found"]]})
        (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "chef bootstrap will attempt chef-client install"]]})
      )
    )
  )
)