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      redirects: []
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          op: assign_op.Equal
          rhs: 
            {
              (DQ <'git quiltimport [options]\n'> <'--\n'> <'n,dry-run     dry run\n'> 
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        )
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      redirects: []
    )
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      pairs: [
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          rhs: {<Yes>}
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      redirects: []
    )
    (command.Simple
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      more_env: []
      words: [{<.>} {<git-sh-setup>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
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        (AssignPair
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          rhs: {(DQ )}
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      redirects: []
    )
    (command.ShAssignment
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        (AssignPair
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          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'quilt_author='> name:quilt_author)
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              do_fork: T
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                      more_env: []
                      words: [{<shift>}]
                      redirects: []
                      do_fork: T
                    )
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                            (sh_lhs_expr.Name
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                      words: [{<shift>}]
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                      words: [{<usage>}]
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            (command.Simple
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              redirects: []
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    (command.If
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                  redirects: []
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                (command.Simple
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                  do_fork: T
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          ]
          spids: [150 164]
        )
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      else_action: []
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      redirects: []
    )
    (command.Simple
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          (BracedVarSub
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      redirects: []
      do_fork: T
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    (command.If
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                                      (command.Simple
                                        blame_tok: <git>
                                        more_env: []
                                        words: [{<git>} {<write-tree>}]
                                        redirects: []
                                        do_fork: T
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                                    right: <Id.Eof_RParen _>
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                                }
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                          ]
                          redirects: []
                        )
                        (command.ShAssignment
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                          pairs: [
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                                {
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                                                        more_env: []
                                                        words: [
                                                          {<echo>}
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                                                        redirects: []
                                                        do_fork: T
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                                                    terminator: <Id.Op_Semi _>
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                                                  (command.Sentence
                                                    child: 
                                                      (command.Simple
                                                        blame_tok: <echo>
                                                        more_env: []
                                                        words: [{<echo>}]
                                                        redirects: []
                                                        do_fork: T
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                                                    terminator: <Id.Op_Semi _>
                                                  )
                                                  (command.Simple
                                                    blame_tok: <cat>
                                                    more_env: []
                                                    words: [
                                                      {<cat>}
                                                      {(DQ ($ Id.VSub_DollarName tmp_msg))}
                                                    ]
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                                                    do_fork: T
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                                            redirects: []
                                          )
                                          (command.Simple
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                                            more_env: []
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                                              {<commit-tree>}
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                                            redirects: []
                                            do_fork: T
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                                    right: <Id.Eof_RParen _>
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                            )
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                          redirects: []
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                            {<update-ref>}
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                          redirects: []
                          do_fork: T
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              else_action: []
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    )
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        (command.Simple
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          more_env: []
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)