(command.CommandList
  children: [
    (command.Simple blame_tok:<set> more_env:[] words:[{<set>} {<-e>}] redirects:[] do_fork:T)
    (command.Simple
      blame_tok: <cd>
      more_env: []
      words: [
        {<cd>}
        {
          (DQ 
            (CommandSub
              left_token: <Id.Left_DollarParen '$('>
              child: 
                (command.Simple
                  blame_tok: <dirname>
                  more_env: []
                  words: [{<dirname>} {(DQ ($ Id.VSub_Number 0))}]
                  redirects: []
                  do_fork: T
                )
              right: <Id.Eof_RParen _>
            ) <'/..'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <'script/bootstrap'>
      more_env: []
      words: [{<'script/bootstrap'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'==> Updating db…'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <'bin/rake'>
      more_env: []
      words: [{<'bin/rake'>} {<db> <Id.Lit_Colon ':'> <migrate>}]
      redirects: []
      do_fork: T
    )
  ]
)