(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:pkgname)
          op: assign_op.Equal
          rhs: {<lua-system>}
          spids: [6]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:_pkgname)
          op: assign_op.Equal
          rhs: {<luasystem>}
          spids: [9]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:pkgver)
          op: assign_op.Equal
          rhs: {<0.2.1>}
          spids: [12]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:pkgrel)
          op: assign_op.Equal
          rhs: {<1>}
          spids: [15]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:pkgdesc)
          op: assign_op.Equal
          rhs: {(DQ <'Platform independent system calls for Lua'>)}
          spids: [18]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:url)
          op: assign_op.Equal
          rhs: {(DQ <'https://github.com/o-lim/luasystem/'>)}
          spids: [23]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:arch)
          op: assign_op.Equal
          rhs: {(DQ <all>)}
          spids: [28]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:license)
          op: assign_op.Equal
          rhs: {(DQ <MIT>)}
          spids: [33]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:makedepends)
          op: assign_op.Equal
          rhs: {(DQ )}
          spids: [38]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:subpackages)
          op: assign_op.Equal
          rhs: {(DQ )}
          spids: [42]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:source)
          op: assign_op.Equal
          rhs: 
            {
              (DQ ($ Id.VSub_DollarName '$pkgname') <-> ($ Id.VSub_DollarName '$pkgver') 
                <'.tar.gz::https://github.com/o-lim/'> ($ Id.VSub_DollarName '$_pkgname') <'/archive/v'> ($ Id.VSub_DollarName '$pkgver') <.tar.gz>
              )
            }
          spids: [46]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:builddir)
          op: assign_op.Equal
          rhs: 
            {
              (DQ ($ Id.VSub_DollarName '$srcdir') <'/'> ($ Id.VSub_DollarName '$_pkgname') <-> 
                ($ Id.VSub_DollarName '$pkgver')
              )
            }
          spids: [58]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:options)
          op: assign_op.Equal
          rhs: {(DQ <'!check'>)}
          spids: [73]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:_luaversions)
          op: assign_op.Equal
          rhs: {(DQ <'5.1 5.2 5.3'>)}
          spids: [79]
        )
      ]
    )
    (command.ForEach
      iter_name: _v
      iter_words: [{($ Id.VSub_DollarName '$_luaversions')}]
      do_arg_iter: F
      body: 
        (command.DoGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:makedepends)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ ($ Id.VSub_DollarName '$makedepends') <' lua'> ($ Id.VSub_DollarName '$_v') 
                        <-dev>
                      )
                    }
                  spids: [96]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:subpackages)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ ($ Id.VSub_DollarName '$subpackages') <' lua'> ($ Id.VSub_DollarName '$_v') 
                        <-> 
                        (braced_var_sub
                          token: <Id.VSub_Name pkgname>
                          suffix_op: (suffix_op.Unary tok:<Id.VOp1_Pound '#'> arg_word:{<lua->})
                        ) <':_subpackage'>
                      )
                    }
                  spids: [105]
                )
              ]
            )
          ]
        )
    )
    (command.ShFunction
      name: prepare
      body: 
        (BraceGroup
          children: [
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<default_prepare>})
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
            )
            (command.Sentence child:(C {<local>} {<lver>}) terminator:<Id.Op_Semi _>)
            (command.ForEach
              iter_name: lver
              iter_words: [{($ Id.VSub_DollarName '$_luaversions')}]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (command.AndOr
                      ops: [Id.Op_DPipe]
                      children: [
                        (C {<cp>} {<-r>} {(DQ ($ Id.VSub_DollarName '$builddir'))} 
                          {(DQ ($ Id.VSub_DollarName '$builddir') <-> ($ Id.VSub_DollarName '$lver'))}
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Return return>
                          arg_word: {<1>}
                        )
                      ]
                    )
                  ]
                )
            )
          ]
        )
    )
    (command.ShFunction
      name: build
      body: 
        (BraceGroup
          children: [
            (command.Sentence child:(C {<local>} {<lver>}) terminator:<Id.Op_Semi _>)
            (command.ForEach
              iter_name: lver
              iter_words: [{($ Id.VSub_DollarName '$_luaversions')}]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (C {<msg>} {(DQ <'Building against Lua '> ($ Id.VSub_DollarName '$lver') <...>)})
                    (command.AndOr
                      ops: [Id.Op_DPipe]
                      children: [
                        (C {<make>} {<-C>} 
                          {(DQ ($ Id.VSub_DollarName '$builddir') <-> ($ Id.VSub_DollarName '$lver')) 
                            <'/src'>
                          } {<Id.Lit_VarLike 'LUA_VERSION='> ($ Id.VSub_DollarName '$lver')} 
                          {<Id.Lit_VarLike 'MYCFLAGS='> (DQ ($ Id.VSub_DollarName '$CFLAGS'))}
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Return return>
                          arg_word: {<1>}
                        )
                      ]
                    )
                  ]
                )
            )
          ]
        )
    )
    (command.ShFunction
      name: package
      body: (BraceGroup children:[(C {<mkdir>} {<-p>} {(DQ ($ Id.VSub_DollarName '$pkgdir'))})])
    )
    (command.ShFunction
      name: _subpackage
      body: 
        (BraceGroup
          children: [
            (C {<local>} 
              {<Id.Lit_VarLike 'lver='> 
                (DQ 
                  (braced_var_sub
                    token: <Id.VSub_Name subpkgname>
                    suffix_op: (suffix_op.Slice begin:{<Id.Lit_Digits 3>} length:{<Id.Lit_Digits 3>})
                  )
                )
              }
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:pkgdesc)
                  op: assign_op.Equal
                  rhs: {(DQ ($ Id.VSub_DollarName '$pkgdesc') <' '> ($ Id.VSub_DollarName '$lver'))}
                  spids: [289]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:depends)
                  op: assign_op.Equal
                  rhs: {(DQ <lua> ($ Id.VSub_DollarName '$lver'))}
                  spids: [297]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:install_if)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ ($ Id.VSub_DollarName '$pkgname') <'='> ($ Id.VSub_DollarName '$pkgver') <-r> 
                        ($ Id.VSub_DollarName '$pkgrel') <' lua'> ($ Id.VSub_DollarName '$lver')
                      )
                    }
                  spids: [304]
                )
              ]
            )
            (C {<local>} 
              {<Id.Lit_VarLike 'lmod_dir='> 
                (command_sub
                  left_token: <Id.Left_DollarParen '$('>
                  child: 
                    (C {<pkg-config>} {<--variable> <Id.Lit_Equals '='> <INSTALL_LMOD>} 
                      {<lua> ($ Id.VSub_DollarName '$lver')}
                    )
                )
              }
            )
            (C {<local>} 
              {<Id.Lit_VarLike 'rockdir='> 
                (DQ ($ Id.VSub_DollarName '$subpkgdir') <'/usr/lib/luarocks/rocks-'> 
                  ($ Id.VSub_DollarName '$lver') <'/'> ($ Id.VSub_DollarName '$_pkgname') <'/'> ($ Id.VSub_DollarName '$pkgver') <-0>
                )
              }
            )
            (C {<cd>} {(DQ ($ Id.VSub_DollarName '$builddir') <-> ($ Id.VSub_DollarName '$lver'))})
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<make>} {<-C>} {<src>} 
                  {<Id.Lit_VarLike 'LUA_VERSION='> ($ Id.VSub_DollarName '$lver')} {<Id.Lit_VarLike 'DESTDIR='> (DQ ($ Id.VSub_DollarName '$subpkgdir'))} 
                  {<Id.Lit_VarLike 'prefix='> <'/usr'>} {<install>}
                )
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
            )
            (C {<install>} {<-m>} {<644>} {<-D>} {<'system/init.lua'>} 
              {(DQ ($ Id.VSub_DollarName '$subpkgdir')) <'/'> ($ Id.VSub_DollarName '$lmod_dir') 
                <'/system.lua'>
              }
            )
            (C {<mkdir>} {<-p>} {(DQ ($ Id.VSub_DollarName '$rockdir'))})
            (command.Simple
              words: [{<echo>} {(SQ <'rock_manifest = {}'>)}]
              redirects: [
                (redir
                  op: <Id.Redir_Great '>'>
                  loc: (redir_loc.Fd fd:1)
                  arg: {(DQ ($ Id.VSub_DollarName '$rockdir')) <'/rock_manifest'>}
                )
              ]
              do_fork: T
            )
          ]
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:sha512sums)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                <
'b8a04a83e8e39c98da23484c9eba9ff60da2fb4db3deca0d52784a6c13c7e0faf7a8b326999d88703847107e4fce739062fc04a00266140969c9f57b70064f46  lua-system-0.2.1.tar.gz'
                >
              )
            }
          spids: [429]
        )
      ]
    )
  ]
)