(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:LC_ALL)
          op: assign_op.Equal
          rhs: {<C>}
          spids: [35]
        )
      ]
    )
    (C {<export>} {<LC_ALL>})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:STATUS)
          op: assign_op.Equal
          rhs: {<0>}
          spids: [43]
        )
      ]
    )
    (C {<cd>} 
      {
        (DQ 
          (command_sub
            left_token: <Id.Left_DollarParen '$('>
            child: (C {<dirname>} {(DQ ($ Id.VSub_Number '$0'))})
          )
        )
      }
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:SYMS)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.Pipeline
                    children: [
                      (C {<sed>} {<-n>} {(SQ <'s/^extern LZMA_API([^)]*) \\([a-z0-9_]*\\)(.*$/\\1;/p'>)} 
                        {<'api/lzma/'> <Id.Lit_Star '*'> <.h>}
                      )
                      (C {<sort>})
                      (C {<grep>} {<-Fve>} 
                        {
                          (DQ 
                            (command_sub
                              left_token: <Id.Left_DollarParen '$('>
                              child: (C {<sed>} {(SQ <'/[{}:*]/d;/^$/d;s/^\t//'>)} {<liblzma.map>})
                            )
                          )
                        }
                      )
                    ]
                    negated: F
                  )
              )
            }
          spids: [63]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:VER)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.AndOr
                    ops: [Id.Op_DAmp]
                    children: [(C {<cd>} {<'../..'>}) (C {<sh>} {<'build-aux/version.sh'>})]
                  )
              )
            }
          spids: [110]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:NAMES)
          op: assign_op.Equal
          rhs: (word.Empty)
          spids: [123]
        )
      ]
    )
    (command.Case
      to_match: {($ Id.VSub_DollarName '$VER')}
      arms: [
        (case_arm
          pat_list: [{<Id.Lit_Star '*'> <alpha>} {<Id.Lit_Star '*'> <beta>}]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:NAMES)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_DollarParen '$('>
                        child: 
                          (command.Pipeline
                            children: [
                              (C {<sed>} {<-n>} 
                                {(SQ <'s/^.*XZ_\\([^ ]*\\)\\(alpha\\|beta\\) .*$/\\1\\2/p'>)} {<liblzma.map>}
                              )
                              (C {<grep>} {<-Fv>} {(DQ ($ Id.VSub_DollarName '$VER'))})
                            ]
                            negated: F
                          )
                      )
                    }
                  spids: [142]
                )
              ]
            )
          ]
          spids: [132 139 168 -1]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:DUPS)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.Pipeline
                    children: [
                      (C {<sort>} {<liblzma.map>})
                      (C {<sed>} {(SQ <'/^$/d;/^global:$/d'>)})
                      (C {<uniq>} {<-d>})
                    ]
                    negated: F
                  )
              )
            }
          spids: [176]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (C {<test>} {<-n>} 
                      {
                        (DQ ($ Id.VSub_DollarName '$SYMS') ($ Id.VSub_DollarName '$NAMES') 
                          ($ Id.VSub_DollarName '$DUPS')
                        )
                      }
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          action: [
            (C {<echo>})
            (C {<echo>} {(SQ <'validate_map.sh found problems from liblzma.map:'>)})
            (C {<echo>})
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: (C {<test>} {<-n>} {(DQ ($ Id.VSub_DollarName '$SYMS'))})
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (C {<echo>} {(SQ <'liblzma.map lacks the following symbols:'>)})
                    (C {<echo>} {(DQ ($ Id.VSub_DollarName '$SYMS'))})
                    (C {<echo>})
                  ]
                  spids: [231 242]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: (C {<test>} {<-n>} {(DQ ($ Id.VSub_DollarName '$NAMES'))})
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (C {<echo>} {(SQ <'Obsolete alpha or beta version names:'>)})
                    (C {<echo>} {(DQ ($ Id.VSub_DollarName '$NAMES'))})
                    (C {<echo>})
                  ]
                  spids: [266 277]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: (C {<test>} {<-n>} {(DQ ($ Id.VSub_DollarName '$DUPS'))})
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (C {<echo>} {(SQ <'Duplicate lines:'>)})
                    (C {<echo>} {(DQ ($ Id.VSub_DollarName '$DUPS'))})
                    (C {<echo>})
                  ]
                  spids: [301 312]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:STATUS)
                  op: assign_op.Equal
                  rhs: {<1>}
                  spids: [336]
                )
              ]
            )
          ]
          spids: [201 214]
        )
      ]
    )
    (command.ControlFlow
      token: <Id.ControlFlow_Exit exit>
      arg_word: {(DQ ($ Id.VSub_DollarName '$STATUS'))}
    )
  ]
)