(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'pkgname='> name:pkgname)
          op: assign_op.Equal
          rhs: {<tb-tun>}
          spids: [6]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'pkgver='> name:pkgver)
          op: assign_op.Equal
          rhs: {<r18>}
          spids: [9]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'pkgrel='> name:pkgrel)
          op: assign_op.Equal
          rhs: {<0>}
          spids: [12]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'pkgdesc='> name:pkgdesc)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                <
'An userspace program using TUN/TAP to build 6to4/tunnelbroker/ISATAP tunnel on Linux'
                >
              )
            }
          spids: [15]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'url='> name:url)
          op: assign_op.Equal
          rhs: {(DQ <'https://code.google.com/p/tb-tun/'>)}
          spids: [20]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'arch='> name:arch)
          op: assign_op.Equal
          rhs: {(DQ <all>)}
          spids: [25]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'license='> name:license)
          op: assign_op.Equal
          rhs: {(DQ <'GPL1+ PerlArtistic'>)}
          spids: [30]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'depends='> name:depends)
          op: assign_op.Equal
          rhs: {(DQ )}
          spids: [35]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'depends_dev='> name:depends_dev)
          op: assign_op.Equal
          rhs: {(DQ )}
          spids: [39]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'makedepends='> name:makedepends)
          op: assign_op.Equal
          rhs: {(DQ ($ Id.VSub_DollarName depends_dev))}
          spids: [43]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'install='> name:install)
          op: assign_op.Equal
          rhs: {(DQ )}
          spids: [48]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'subpackages='> name:subpackages)
          op: assign_op.Equal
          rhs: {(DQ )}
          spids: [52]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'source='> name:source)
          op: assign_op.Equal
          rhs: 
            {
              (DQ <'http://'> ($ Id.VSub_DollarName pkgname) <'.googlecode.com/files/'> 
                (${ Id.VSub_Name pkgname) <_> (${ Id.VSub_Name pkgver) <.tar.gz>
              )
            }
          spids: [56]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike '_builddir='> name:_builddir)
          op: assign_op.Equal
          rhs: {(DQ ($ Id.VSub_DollarName srcdir))}
          spids: [72]
        )
      ]
      redirects: []
    )
    (command.ShFunction
      name: prepare
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (C {<local>} {<i>})
            (C {<cd>} {(DQ ($ Id.VSub_DollarName _builddir))})
            (command.ForEach
              iter_names: [i]
              iterable: (for_iter.Words words:[{($ Id.VSub_DollarName source)}])
              body: 
                (command.DoGroup
                  children: [
                    (command.Case
                      to_match: {($ Id.VSub_DollarName i)}
                      arms: [
                        (case_arm
                          pat_list: [{<Id.Lit_Star '*'> <.patch>}]
                          action: [
                            (command.Sentence
                              child: (C {<msg>} {($ Id.VSub_DollarName i)})
                              terminator: <Id.Op_Semi _>
                            )
                            (command.AndOr
                              ops: [Id.Op_DPipe]
                              children: [
                                (C {<patch>} {<-p1>} {<-i>} 
                                  {(DQ ($ Id.VSub_DollarName srcdir)) <'/'> ($ Id.VSub_DollarName i)}
                                )
                                (command.ControlFlow
                                  token: <Id.ControlFlow_Return return>
                                  arg_word: {<1>}
                                )
                              ]
                            )
                          ]
                          spids: [115 117 141 -1]
                        )
                      ]
                      redirects: []
                    )
                  ]
                )
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name: build
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (C {<cd>} {(DQ ($ Id.VSub_DollarName _builddir))})
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<gcc>} {<tb_userspace.c>} {<-l>} {<pthread>} {<-o>} {<tb_userspace>})
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name: package
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (C {<cd>} {(DQ ($ Id.VSub_DollarName _builddir))})
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<install>} {<-Dm755>} {<tb_userspace>} 
                  {(DQ ($ Id.VSub_DollarName pkgdir)) <'/usr/sbin/tb_userspace'>}
                )
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'md5sums='> name:md5sums)
          op: assign_op.Equal
          rhs: {(DQ <'7227ed964e9eaacb7fc7e08a86c3ffcc  tb-tun_r18.tar.gz'>)}
          spids: [221]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'sha256sums='> name:sha256sums)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                <
'3c4a18069a888a15b20da3a8ba12374bcae8257b59c0f2221513811df23dec12  tb-tun_r18.tar.gz'
                >
              )
            }
          spids: [226]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'sha512sums='> name:sha512sums)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                <
'476532ffaa0eb584af04bc226507445fbe6f5d50aff25cbee6f1d85c0fae19621923905be2a01c52bad5bb01156237b232eed485fd45ffee1da48f14534a92c0  tb-tun_r18.tar.gz'
                >
              )
            }
          spids: [231]
        )
      ]
      redirects: []
    )
  ]
)