(command.CommandList
  children: [
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'*** PACK ROOTFS BEGIN ***'>)}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'SRC_DIR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'SRC_DIR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SRC_DIR='> name:SRC_DIR)
          op: assign_op.Equal
          rhs: 
            {
              (CommandSub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.Simple
                    blame_tok: <pwd>
                    more_env: []
                    words: [{<pwd>}]
                    redirects: []
                    do_fork: T
                  )
                right: <Id.Eof_RParen _>
              )
            }
        )
      ]
      redirects: []
    )
    (command.Simple blame_tok:<cd> more_env:[] words:[{<cd>} {<work>}] redirects:[] do_fork:T)
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'Packing initramfs. This may take a while...'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <rm>
      more_env: []
      words: [{<rm>} {<-f>} {<rootfs.cpio.gz>}]
      redirects: []
      do_fork: T
    )
    (command.Simple blame_tok:<cd> more_env:[] words:[{<cd>} {<rootfs>}] redirects:[] do_fork:T)
    (command.Pipeline
      children: [
        (command.Simple
          blame_tok: <find>
          more_env: []
          words: [{<find>} {<.>}]
          redirects: []
          do_fork: T
        )
        (command.Simple
          blame_tok: <cpio>
          more_env: []
          words: [{<cpio>} {<-R>} {<root> <Id.Lit_Colon ':'> <root>} {<-H>} {<newc>} {<-o>}]
          redirects: []
          do_fork: T
        )
        (command.Simple
          blame_tok: <xz>
          more_env: []
          words: [{<xz>} {<-9>} {<--check> <Id.Lit_Equals '='> <none>}]
          redirects: [
            (Redir
              op: <Id.Redir_Great '>'>
              loc: (redir_loc.Fd fd:1)
              arg: {<'../rootfs.cpio.xz'>}
            )
          ]
          do_fork: T
        )
      ]
      ops: [<Id.Op_Pipe _> <Id.Op_Pipe _>]
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'Packing of initramfs has finished.'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <cd>
      more_env: []
      words: [{<cd>} {($ Id.VSub_DollarName SRC_DIR)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'*** PACK ROOTFS END ***'>)}]
      redirects: []
      do_fork: T
    )
  ]
)