(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (Com {[LIT_CHARS rm]} {[LIT_CHARS -rf]} {[LIT_CHARS tmp-build]}  )
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS tmp-build]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS tmp-build]}  )
  (Com {[LIT_CHARS ../configure]}  )
  (Com {[LIT_CHARS make]} {[LIT_CHARS dist]}  )
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS stage1-tree]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS stage1-tree]}  )
  (Com {[LIT_CHARS tar]} {[LIT_CHARS xzvf]} {[LIT_CHARS ../tre-] [LIT_OTHER "*"] [LIT_CHARS .tar.gz]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS ..]}  )
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS stage2]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS stage2]}  )
  (Com {[LIT_CHARS tar]} {[LIT_CHARS xzvf]} {[LIT_CHARS ../tre-] [LIT_OTHER "*"] [LIT_CHARS .tar.gz]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS tre-] [LIT_OTHER "*"]}  )
  (Com {[LIT_CHARS ./configure]}  )
  (Com {[LIT_CHARS make]} {[LIT_CHARS dist]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS ../..]}  )
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS stage2-tree]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS stage2-tree]}  )
  (Com {[LIT_CHARS tar]} {[LIT_CHARS xzvf]} {[LIT_CHARS ../stage2/tre-] [LIT_OTHER "*"] [LIT_CHARS /tre-] [LIT_OTHER "*"] [LIT_CHARS .tar.gz]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS ..]}  )
  (Com {[LIT_CHARS diff]} {[LIT_CHARS -r]} {[LIT_CHARS -wibu]} {[LIT_CHARS stage1-tree]} {[LIT_CHARS stage2-tree]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('base', {[ComSub (Com {[LIT_CHARS basename]} {[LIT_CHARS tre-] [LIT_OTHER "*"] [LIT_CHARS .tar.gz]} {[LIT_CHARS .tar.gz]})]})])
  (Pipeline
    (Com {[LIT_CHARS gunzip]} {[LIT_CHARS -c]} {[LIT_CHARS tre-] [LIT_OTHER "*"] [LIT_CHARS .tar.gz]}    )
    (Com {[LIT_CHARS bzip2]} {[LIT_CHARS -9]} {[LIT_CHARS -c]}
      <
      (FilenameRedirectNode filename={[VarSub base] [LIT_CHARS .tar.bz2]} <REDIR_GREAT ">"> 1),
      >
    )
  )
  (Pipeline
    (Com {[LIT_CHARS bunzip2]} {[LIT_CHARS -c]}
      <
      (FilenameRedirectNode filename={[VarSub base] [LIT_CHARS .tar.bz2]} <REDIR_LESS "<"> 0),
      >
    )
    (Com {[LIT_CHARS tar]} {[LIT_CHARS xf]} {[LIT_CHARS -]}    )
  )
  (Com {[LIT_CHARS zip]} {[LIT_CHARS -9]} {[LIT_CHARS -r]} {[VarSub base] [LIT_CHARS .zip]} {[VarSub base]}  )
  (Com {[LIT_CHARS chmod]} {[LIT_CHARS a] [LIT_OTHER "+"] [LIT_CHARS r]} {[VarSub base] [LIT_CHARS .tar.gz]} {[VarSub base] [LIT_CHARS .tar.bz2]} {[VarSub base] [LIT_CHARS .zip]}  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS ..]}  )
  (If
    (Com {[LIT_CHARS test]} {[LIT_OTHER "!"]} {[LIT_CHARS -d]} {[LIT_CHARS dist]}    )
    (Com {[LIT_CHARS mkdir]} {[LIT_CHARS dist]}    )
  )
  (Com {[LIT_CHARS mv]} {[LIT_CHARS tmp-build/] [VarSub base] [LIT_CHARS .tar.gz]} {[LIT_CHARS tmp-build/] [VarSub base] [LIT_CHARS .tar.bz2]} {[LIT_CHARS tmp-build/] [VarSub base] [LIT_CHARS .zip]} {[LIT_CHARS dist]}  )
  (Com {[LIT_CHARS ls]} {[LIT_CHARS -l]} {[LIT_CHARS dist]}  )
)