(command.CommandList
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      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<nounset>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<pipefail>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<errexit>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <readonly>
      more_env: []
      words: [
        {<readonly>}
        {<Id.Lit_VarLike 'ROOTFS_URL='> 
          (SQ 
            <
'http://dl-cdn.alpinelinux.org/alpine/v3.6/releases/x86_64/alpine-minirootfs-3.6.2-x86_64.tar.gz'
            >
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <readonly>
      more_env: []
      words: [{<readonly>} {<Id.Lit_VarLike 'CHROOT_DIR='> <'_chroot/alpine1'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <readonly>
      more_env: []
      words: [
        {<readonly>}
        {<Id.Lit_VarLike 'DISTRO_BUILD_CHROOT_DIR='> <'_chroot/alpine-distro-build'>}
      ]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <download>
      name: download
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <wget>
              more_env: []
              words: [
                {<wget>}
                {<--no-clobber>}
                {<--directory>}
                {<_tmp>}
                {($ Id.VSub_DollarName ROOTFS_URL)}
              ]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <_extract>
      name: _extract
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'dest='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'tarball='> <'_tmp/'> 
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <basename>
                        more_env: []
                        words: [{<basename>} {($ Id.VSub_DollarName ROOTFS_URL)}]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <mkdir>
              more_env: []
              words: [{<mkdir>} {<-p>} {($ Id.VSub_DollarName dest)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <tar>
              more_env: []
              words: [
                {<tar>}
                {<--extract>}
                {<--gzip>}
                {<--verbose>}
                {<--directory>}
                {($ Id.VSub_DollarName dest)}
              ]
              redirects: [
                (Redir
                  op: <Id.Redir_Less '<'>
                  loc: (redir_loc.Fd fd:0)
                  arg: {($ Id.VSub_DollarName tarball)}
                )
              ]
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <extract>
      name: extract
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <sudo>
                  more_env: []
                  words: [{<sudo>} {($ Id.VSub_Number 0)} {<_extract>} {(DQ ($ Id.VSub_At '@'))}]
                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <extract-distro-build>
      name: extract-distro-build
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <sudo>
                  more_env: []
                  words: [
                    {<sudo>}
                    {($ Id.VSub_Number 0)}
                    {<_extract>}
                    {($ Id.VSub_DollarName DISTRO_BUILD_CHROOT_DIR)}
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                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <chmod-chroot>
      name: chmod-chroot
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'dest='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <sudo>
              more_env: []
              words: [{<sudo>} {<chmod>} {<755>} {($ Id.VSub_DollarName dest)}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <_setup-dns>
      name: _setup-dns
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <cat>
              more_env: []
              words: [{<cat>}]
              redirects: [
                (Redir
                  op: <Id.Redir_Great '>'>
                  loc: (redir_loc.Fd fd:1)
                  arg: {($ Id.VSub_DollarName chroot_dir) <'/etc/resolv.conf'>}
                )
                (Redir
                  op: <Id.Redir_DLess '<<'>
                  loc: (redir_loc.Fd fd:0)
                  arg: 
                    (redir_param.HereDoc
                      here_begin: {<EOF>}
                      here_end_tok: <Id.Undefined_Tok ''>
                      stdin_parts: [<'nameserver 8.8.8.8\n'> <'nameserver 8.8.4.4\n'>]
                    )
                )
              ]
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <setup-dns>
      name: setup-dns
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <sudo>
                  more_env: []
                  words: [{<sudo>} {($ Id.VSub_Number 0)} {<_setup-dns>} {(DQ ($ Id.VSub_At '@'))}]
                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <add-oil-build-deps>
      name: add-oil-build-deps
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <sudo>
              more_env: []
              words: [{<sudo>} {<chroot>} {($ Id.VSub_DollarName chroot_dir)} {<'/bin/sh'>}]
              redirects: [
                (Redir
                  op: <Id.Redir_DLess '<<'>
                  loc: (redir_loc.Fd fd:0)
                  arg: 
                    (redir_param.HereDoc
                      here_begin: {<EOF>}
                      here_end_tok: <Id.Undefined_Tok ''>
                      stdin_parts: [<'apk update\n'> <'apk add bash make gcc musl-dev \n'>]
                    )
                )
              ]
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <add-alpine-sdk>
      name: add-alpine-sdk
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName DISTRO_BUILD_CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <sudo>
              more_env: []
              words: [{<sudo>} {<chroot>} {($ Id.VSub_DollarName chroot_dir)} {<'/bin/sh'>}]
              redirects: [
                (Redir
                  op: <Id.Redir_DLess '<<'>
                  loc: (redir_loc.Fd fd:0)
                  arg: 
                    (redir_param.HereDoc
                      here_begin: {<EOF>}
                      here_end_tok: <Id.Undefined_Tok ''>
                      stdin_parts: [<'apk update\n'> <'apk add bash alpine-sdk\n'>]
                    )
                )
              ]
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <list-packages>
      name: list-packages
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName DISTRO_BUILD_CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <sudo>
              more_env: []
              words: [{<sudo>} {<chroot>} {($ Id.VSub_DollarName chroot_dir)} {<apk>} {<info>}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <destroy-chroot>
      name: destroy-chroot
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <sudo>
              more_env: []
              words: [{<sudo>} {<rm>} {<-r>} {<-rf>} {($ Id.VSub_DollarName chroot_dir)}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <enter-chroot>
      name: enter-chroot
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <shift>
              more_env: []
              words: [{<shift>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <sudo>
              more_env: []
              words: [{<sudo>} {<chroot>} {($ Id.VSub_DollarName chroot_dir)} {(DQ ($ Id.VSub_At '@'))}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <interactive>
      name: interactive
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <enter-chroot>
              more_env: []
              words: [{<enter-chroot>} {($ Id.VSub_DollarName chroot_dir)} {<'/bin/sh'>}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.Simple
      blame_tok: <readonly>
      more_env: []
      words: [
        {<readonly>}
        {<Id.Lit_VarLike 'OIL_VERSION='> 
          (CommandSub
            left_token: <Id.Left_DollarParen '$('>
            child: 
              (command.Simple
                blame_tok: <head>
                more_env: []
                words: [{<head>} {<-n>} {<1>} {<oil-version.txt>}]
                redirects: []
                do_fork: T
              )
            right: <Id.Eof_RParen _>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <_copy-tar>
      name: _copy-tar
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'name='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 2>
                    var_name: 2
                    suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{<oil>})
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'version='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 3>
                    var_name: 3
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName OIL_VERSION)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<Id.Lit_VarLike 'dest='> ($ Id.VSub_DollarName chroot_dir) <'/src'>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <mkdir>
              more_env: []
              words: [{<mkdir>} {<-p>} {($ Id.VSub_DollarName dest)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <cp>
              more_env: []
              words: [
                {<cp>}
                {<-v>}
                {<'_release/'> ($ Id.VSub_DollarName name) <-> ($ Id.VSub_DollarName version) <.tar.gz>}
                {($ Id.VSub_DollarName dest)}
              ]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <copy-tar>
      name: copy-tar
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <sudo>
                  more_env: []
                  words: [{<sudo>} {($ Id.VSub_Number 0)} {<_copy-tar>} {(DQ ($ Id.VSub_At '@'))}]
                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <_test-tar>
      name: _test-tar
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'chroot_dir='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName CHROOT_DIR)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'name='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 2>
                    var_name: 2
                    suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{<oil>})
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'version='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 3>
                    var_name: 3
                    suffix_op: 
                      (suffix_op.Unary
                        op: <Id.VTest_ColonHyphen _>
                        arg_word: {($ Id.VSub_DollarName OIL_VERSION)}
                      )
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<Id.Lit_VarLike 'target='> <'_bin/'> (${ Id.VSub_Name name) <.ovm>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <enter-chroot>
              more_env: []
              words: [{<enter-chroot>} {(DQ ($ Id.VSub_DollarName chroot_dir))} {<'/bin/sh'>}]
              redirects: [
                (Redir
                  op: <Id.Redir_DLess '<<'>
                  loc: (redir_loc.Fd fd:0)
                  arg: 
                    (redir_param.HereDoc
                      here_begin: {<EOF>}
                      here_end_tok: <Id.Undefined_Tok ''>
                      stdin_parts: [
                        <'set -e\n'>
                        <'cd src\n'>
                        <'tar --extract -z < '>
                        ($ Id.VSub_DollarName name)
                        <->
                        ($ Id.VSub_DollarName version)
                        <'.tar.gz\n'>
                        <'cd '>
                        ($ Id.VSub_DollarName name)
                        <->
                        ($ Id.VSub_DollarName version)
                        <'\n'>
                        <'./configure\n'>
                        <'time make '>
                        ($ Id.VSub_DollarName target)
                        <'\n'>
                        <'echo\n'>
                        <'echo '>
                        <Id.Right_DoubleQuote '"'>
                        <'*** Running '>
                        ($ Id.VSub_DollarName target)
                        <Id.Right_DoubleQuote '"'>
                        <'\n'>
                        <'#PYTHONVERBOSE=9 \n'>
                        ($ Id.VSub_DollarName target)
                        <' --version\n'>
                        <'./install\n'>
                        <'echo\n'>
                        <'echo '>
                        <Id.Right_DoubleQuote '"'>
                        <'*** Running osh'>
                        <Id.Right_DoubleQuote '"'>
                        <'\n'>
                        <'osh --version\n'>
                        <'echo status='>
                        ($ Id.VSub_QMark '?')
                        <'\n'>
                        <'echo DONE\n'>
                      ]
                    )
                )
              ]
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <test-tar>
      name: test-tar
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <sudo>
                  more_env: []
                  words: [{<sudo>} {($ Id.VSub_Number 0)} {<_test-tar>} {(DQ ($ Id.VSub_At '@'))}]
                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.Simple
      blame_tok: <Id.Left_DoubleQuote '"'>
      more_env: []
      words: [{(DQ ($ Id.VSub_At '@'))}]
      redirects: []
      do_fork: T
    )
  ]
)