(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: {(DQ <upgrade-notify>)}
          spids: [3]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'pkgver='> name:pkgver)
          op: assign_op.Equal
          rhs: {<0.1>}
          spids: [8]
        )
      ]
      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: [11]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'license='> name:license)
          op: assign_op.Equal
          rhs: {(DQ <GPL>)}
          spids: [14]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'pkgdesc='> name:pkgdesc)
          op: assign_op.Equal
          rhs: {(DQ <'Get notifications about what services need to restart after an upgrade'>)}
          spids: [19]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'url='> name:url)
          op: assign_op.Equal
          rhs: {(DQ <'http://git.alpinelinux.org/alpine/tree/testing/upgrade-notify'>)}
          spids: [24]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'arch='> name:arch)
          op: assign_op.Equal
          rhs: {<noarch>}
          spids: [29]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'triggers='> name:triggers)
          op: assign_op.Equal
          rhs: {(DQ ($ Id.VSub_DollarName pkgname) <'.trigger=/etc/init.d:/boot'>)}
          spids: [32]
        )
      ]
      redirects: []
    )
    (command.ShFunction
      name: build
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [(command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<0>})]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name: package
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [(C {<mkdir>} {<-p>} {(DQ ($ Id.VSub_DollarName pkgdir))})]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)