(command.CommandList
  children: [
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:functions)
          op: Equal
          rhs: 
            {
              (word_part.CommandSubPart
                command_list: 
                  (command.CommandList
                    children: [
                      (command.SimpleCommand
                        words: [{(cat)}]
                        redirects: [
                          (redir.HereDoc
                            op: <Redir_DLess '<<'>
                            fd: 16777215
                            here_begin: 
                              {(word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\E'>) (OF)}
                            here_end_span_id: 89
                            stdin_parts: [
                              ('warn () {\n')
                              ('\techo "$*" >&2\n')
                              ('}\n')
                              ('\n')
                              ('map()\n')
                              ('{\n')
                              ('\t# if it was not rewritten, take the original\n')
                              ('\tif test -r "$workdir/../map/$1"\n')
                              ('\tthen\n')
                              ('\t\tcat "$workdir/../map/$1"\n')
                              ('\telse\n')
                              ('\t\techo "$1"\n')
                              ('\tfi\n')
                              ('}\n')
                              ('\n')
                              (
'# if you run \'skip_commit "$@"\' in a commit filter, it will print\n'
                              )
                              ('# the (mapped) parents, effectively skipping the commit.\n')
                              ('\n')
                              ('skip_commit()\n')
                              ('{\n')
                              ('\tshift;\n')
                              ('\twhile [ -n "$1" ];\n')
                              ('\tdo\n')
                              ('\t\tshift;\n')
                              ('\t\tmap "$1";\n')
                              ('\t\tshift;\n')
                              ('\tdone;\n')
                              ('}\n')
                              ('\n')
                              (
'# if you run \'git_commit_non_empty_tree "$@"\' in a commit filter,\n'
                              )
                              (
'# it will skip commits that leave the tree untouched, commit the other.\n'
                              )
                              ('git_commit_non_empty_tree()\n')
                              ('{\n')
                              (
'\tif test $# = 3 && test "$1" = $(git rev-parse "$3^{tree}"); then\n'
                              )
                              ('\t\tmap "$3"\n')
                              ('\telse\n')
                              ('\t\tgit commit-tree "$@"\n')
                              ('\tfi\n')
                              ('}\n')
                              (
'# override die(): this version puts in an extra line break, so that\n'
                              )
                              ('# the progress is still visible\n')
                              ('\n')
                              ('die()\n')
                              ('{\n')
                              ('\techo >&2\n')
                              ('\techo "$*" >&2\n')
                              ('\texit 1\n')
                              ('}\n')
                            ]
                          )
                        ]
                      )
                    ]
                  )
                left_token: <Left_CommandSub '$('>
              )
            }
        )
      ]
    )
    (C {(eval)} {(DQ ($ VSub_DollarName '$functions'))})
    (command.FuncDef
      name: finish_ident
      body: 
        (command.BraceGroup
          children: [
            (C {(echo)} 
              {
                (DQ ('case ') (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) 
                  (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\$'>) (GIT_) ($ VSub_Number '$1') (_NAME) (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) (' in ') 
                  (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) (') GIT_') ($ VSub_Number '$1') ('_NAME=') 
                  (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\$'>) ('{GIT_') ($ VSub_Number '$1') 
                  ('_EMAIL%%@*}') (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) (' && export GIT_') ($ VSub_Number '$1') 
                  ('_NAME;; esac')
                )
              }
            )
            (C {(echo)} {(DQ ('export GIT_') ($ VSub_Number '$1') (_NAME))})
            (C {(echo)} {(DQ ('export GIT_') ($ VSub_Number '$1') (_EMAIL))})
            (C {(echo)} {(DQ ('export GIT_') ($ VSub_Number '$1') (_DATE))})
          ]
        )
    )
    (command.FuncDef
      name: set_ident
      body: 
        (command.BraceGroup
          children: [
            (C {(parse_ident_from_commit)} {(author)} {(AUTHOR)} {(committer)} {(COMMITTER)})
            (C {(finish_ident)} {(AUTHOR)})
            (C {(finish_ident)} {(COMMITTER)})
          ]
        )
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:USAGE)
          op: Equal
          rhs: 
            {
              (DQ ('[--env-filter <command>] [--tree-filter <command>]\n') 
                ('\t[--index-filter <command>] [--parent-filter <command>]\n') ('\t[--msg-filter <command>] [--commit-filter <command>]\n') 
                ('\t[--tag-name-filter <command>] [--subdirectory-filter <directory>]\n') ('\t[--original <namespace>] [-d <directory>] [-f | --force]\n') ('\t[<rev-list options>...]')
              )
            }
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:OPTIONS_SPEC) op:Equal rhs:(word.EmptyWord))]
    )
    (C {(.)} {(git-sh-setup)})
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Lit_Other '[')} 
                  {
                    (DQ 
                      (word_part.CommandSubPart
                        command_list: (command.CommandList children:[(C {(is_bare_repository)})])
                        left_token: <Left_CommandSub '$('>
                      )
                    )
                  } {(Lit_Other '=')} {(false)} {(Lit_Other ']')}
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [(C {(require_clean_work_tree)} {(SQ <'rewrite branches'>)})]
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:tempdir) op:Equal rhs:{(.git-rewrite)})]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_env) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_tree) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_index) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_parent) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_msg) op:Equal rhs:{(cat)})]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_commit) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_tag_name) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:filter_subdir) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:orig_namespace) op:Equal rhs:{(refs/original/)})]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:force) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:prune_empty) op:Equal rhs:(word.EmptyWord))]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:remap_to_ancestor) op:Equal rhs:(word.EmptyWord))]
    )
    (command.WhileUntil
      keyword: <KW_While while>
      cond: [(C {(Lit_Other ':')})]
      body: 
        (command.DoGroup
          children: [
            (command.Case
              to_match: {(DQ ($ VSub_Number '$1'))}
              arms: [
                (case_arm
                  pat_list: [{(--)}]
                  action: [(C {(shift)}) (command.ControlFlow token:<ControlFlow_Break break>)]
                )
                (case_arm
                  pat_list: [{(--force)} {(-f)}]
                  action: [
                    (C {(shift)})
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:force) op:Equal rhs:{(t)})]
                    )
                    (command.ControlFlow token:<ControlFlow_Continue continue>)
                  ]
                )
                (case_arm
                  pat_list: [{(--remap-to-ancestor)}]
                  action: [
                    (C {(shift)})
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:remap_to_ancestor)
                          op: Equal
                          rhs: {(t)}
                        )
                      ]
                    )
                    (command.ControlFlow token:<ControlFlow_Continue continue>)
                  ]
                )
                (case_arm
                  pat_list: [{(--prune-empty)}]
                  action: [
                    (C {(shift)})
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:prune_empty) op:Equal rhs:{(t)})]
                    )
                    (command.ControlFlow token:<ControlFlow_Continue continue>)
                  ]
                )
                (case_arm pat_list:[{(-) (Lit_Other '*')}])
                (case_arm
                  pat_list: [{(Lit_Other '*')}]
                  action: [
                    (command.Sentence
                      child: (command.ControlFlow token:<ControlFlow_Break break>)
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:ARG)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number '$1'))}
                )
              ]
            )
            (command.Case
              to_match: {(DQ ($ VSub_Pound '$#'))}
              arms: [(case_arm pat_list:[{(1)}] action:[(C {(usage)})])]
            )
            (C {(shift)})
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:OPTARG)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number '$1'))}
                )
              ]
            )
            (C {(shift)})
            (command.Case
              to_match: {(DQ ($ VSub_DollarName '$ARG'))}
              arms: [
                (case_arm
                  pat_list: [{(-d)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:tempdir)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--env-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_env)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--tree-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_tree)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--index-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_index)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--parent-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_parent)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--msg-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_msg)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--commit-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_commit)
                          op: Equal
                          rhs: 
                            {
                              (DQ ($ VSub_DollarName '$functions') ('; ') ($ VSub_DollarName '$OPTARG'))
                            }
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--tag-name-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_tag_name)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--subdirectory-filter)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:filter_subdir)
                          op: Equal
                          rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:remap_to_ancestor)
                          op: Equal
                          rhs: {(t)}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(--original)}]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:orig_namespace)
                          op: Equal
                          rhs: 
                            {
                              (word_part.CommandSubPart
                                command_list: 
                                  (command.CommandList
                                    children: [
                                      (C {(expr)} {(DQ ($ VSub_DollarName '$OPTARG') (/))} 
                                        {(Lit_Other ':')} {(SQ <'\\(.*[^/]\\)/*$'>)}
                                      )
                                    ]
                                  )
                                left_token: <Left_CommandSub '$('>
                              ) (/)
                            }
                        )
                      ]
                    )
                  ]
                )
                (case_arm pat_list:[{(Lit_Other '*')}] action:[(C {(usage)})])
              ]
            )
          ]
        )
    )
    (command.Case
      to_match: {(DQ ($ VSub_DollarName '$prune_empty') (',') ($ VSub_DollarName '$filter_commit'))}
      arms: [
        (case_arm
          pat_list: [{(Lit_Comma ',')}]
          action: [
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:filter_commit)
                  op: Equal
                  rhs: {(SQ <'git commit-tree "$@"'>)}
                )
              ]
            )
          ]
        )
        (case_arm
          pat_list: [{(t) (Lit_Comma ',')}]
          action: [
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:filter_commit)
                  op: Equal
                  rhs: 
                    {(DQ ($ VSub_DollarName '$functions') (';')) 
                      (SQ <' git_commit_non_empty_tree "$@"'>)
                    }
                )
              ]
            )
          ]
        )
        (case_arm pat_list:[{(Lit_Comma ',') (Lit_Other '*')}])
        (case_arm
          pat_list: [{(Lit_Other '*')}]
          action: [(C {(die)} {(DQ ('Cannot set --prune-empty and --commit-filter at the same time'))})]
        )
      ]
    )
    (command.Case
      to_match: {(DQ ($ VSub_DollarName '$force'))}
      arms: [
        (case_arm
          pat_list: [{(t)}]
          action: [(C {(rm)} {(-rf)} {(DQ ($ VSub_DollarName '$tempdir'))})]
        )
        (case_arm
          pat_list: [{(SQ )}]
          action: [
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (C {(test)} {(-d)} {(DQ ($ VSub_DollarName '$tempdir'))})
                (C {(die)} {(DQ ($ VSub_DollarName '$tempdir') (' already exists, please remove it'))})
              ]
            )
          ]
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:orig_dir)
          op: Equal
          rhs: 
            {
              (word_part.CommandSubPart
                command_list: (command.CommandList children:[(C {(pwd)})])
                left_token: <Left_CommandSub '$('>
              )
            }
        )
      ]
    )
    (command.AndOr
      ops: [Op_DAmp Op_DAmp Op_DAmp Op_DPipe]
      children: [
        (C {(mkdir)} {(-p)} {(DQ ($ VSub_DollarName '$tempdir') (/t))})
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:tempdir)
              op: Equal
              rhs: 
                {
                  (DQ 
                    (word_part.CommandSubPart
                      command_list: 
                        (command.CommandList
                          children: [
                            (command.Sentence
                              child: (C {(cd)} {(DQ ($ VSub_DollarName '$tempdir'))})
                              terminator: <Op_Semi ';'>
                            )
                            (C {(pwd)})
                          ]
                        )
                      left_token: <Left_CommandSub '$('>
                    )
                  )
                }
            )
          ]
        )
        (C {(cd)} {(DQ ($ VSub_DollarName '$tempdir') (/t))})
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:workdir)
              op: Equal
              rhs: 
                {
                  (DQ 
                    (word_part.CommandSubPart
                      command_list: (command.CommandList children:[(C {(pwd)})])
                      left_token: <Left_CommandSub '$('>
                    )
                  )
                }
            )
          ]
        )
        (C {(die)} {(DQ )})
      ]
    )
    (C {(trap)} {(SQ <'cd "$orig_dir"; rm -rf "$tempdir"'>)} {(0)})
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:ORIG_GIT_DIR)
          op: Equal
          rhs: {(DQ ($ VSub_DollarName '$GIT_DIR'))}
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:ORIG_GIT_WORK_TREE)
          op: Equal
          rhs: {(DQ ($ VSub_DollarName '$GIT_WORK_TREE'))}
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:ORIG_GIT_INDEX_FILE)
          op: Equal
          rhs: {(DQ ($ VSub_DollarName '$GIT_INDEX_FILE'))}
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:GIT_WORK_TREE) op:Equal rhs:{(.)})]
    )
    (C {(export)} {(GIT_DIR)} {(GIT_WORK_TREE)})
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (command.SimpleCommand
          words: [{(git)} {(for-each-ref)}]
          redirects: [
            (redir.Redir
              op: <Redir_Great '>'>
              fd: 16777215
              arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/backup-refs)}
            )
          ]
        )
        (command.ControlFlow token:<ControlFlow_Exit exit>)
      ]
    )
    (command.WhileUntil
      keyword: <KW_While while>
      cond: [(C {(read)} {(sha1)} {(type)} {(name)})]
      body: 
        (command.DoGroup
          children: [
            (command.Case
              to_match: {(DQ ($ VSub_DollarName '$force') (',') ($ VSub_DollarName '$name'))}
              arms: [
                (case_arm
                  pat_list: [{(Lit_Comma ',') ($ VSub_DollarName '$orig_namespace') (Lit_Other '*')}]
                  action: [
                    (C {(die)} 
                      {
                        (DQ ('Cannot create a new backup.\n') ('A previous backup already exists in ') 
                          ($ VSub_DollarName '$orig_namespace') ('\n') ('Force overwriting the backup with -f')
                        )
                      }
                    )
                  ]
                )
                (case_arm
                  pat_list: [
                    {(t) (Lit_Comma ',') ($ VSub_DollarName '$orig_namespace') (Lit_Other '*')}
                  ]
                  action: [
                    (C {(git)} {(update-ref)} {(-d)} {(DQ ($ VSub_DollarName '$name'))} 
                      {($ VSub_DollarName '$sha1')}
                    )
                  ]
                )
              ]
            )
          ]
        )
      redirects: [
        (redir.Redir
          op: <Redir_Less '<'>
          fd: 16777215
          arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/backup-refs)}
        )
      ]
    )
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (command.SimpleCommand
          words: [
            {(git)}
            {(rev-parse)}
            {(--no-flags)}
            {(--revs-only)}
            {(--symbolic-full-name)}
            {(--default)}
            {(HEAD)}
            {(DQ ($ VSub_At '$@'))}
          ]
          redirects: [
            (redir.Redir
              op: <Redir_Great '>'>
              fd: 16777215
              arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/raw-heads)}
            )
          ]
        )
        (command.ControlFlow token:<ControlFlow_Exit exit>)
      ]
    )
    (command.SimpleCommand
      words: [{(sed)} {(-e)} {(SQ <'/^^/d'>)} {(DQ ($ VSub_DollarName '$tempdir')) (/raw-heads)}]
      redirects: [
        (redir.Redir
          op: <Redir_Great '>'>
          fd: 16777215
          arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/heads)}
        )
      ]
    )
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (C {(test)} {(-s)} {(DQ ($ VSub_DollarName '$tempdir')) (/heads)})
        (C {(die)} {(DQ ('Which ref do you want to rewrite?'))})
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:GIT_INDEX_FILE)
          op: Equal
          rhs: 
            {
              (DQ 
                (word_part.CommandSubPart
                  command_list: (command.CommandList children:[(C {(pwd)})])
                  left_token: <Left_CommandSub '$('>
                ) (/../index)
              )
            }
        )
      ]
    )
    (C {(export)} {(GIT_INDEX_FILE)})
    (command.AndOr
      ops: [Op_DPipe]
      children: [(C {(mkdir)} {(../map)}) (C {(die)} {(DQ ('Could not create map/ directory'))})]
    )
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:nonrevs)
              op: Equal
              rhs: 
                {
                  (word_part.CommandSubPart
                    command_list: 
                      (command.CommandList
                        children: [(C {(git)} {(rev-parse)} {(--no-revs)} {(DQ ($ VSub_At '$@'))})]
                      )
                    left_token: <Left_CommandSub '$('>
                  )
                }
            )
          ]
        )
        (command.ControlFlow token:<ControlFlow_Exit exit>)
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [(C {(test)} {(-z)} {(DQ ($ VSub_DollarName '$nonrevs'))})]
          action: [
            (command.Assignment
              keyword: Assign_None
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:dashdash) op:Equal rhs:{(--)})]
            )
          ]
        )
      ]
      else_action: [
        (command.Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(lhs_expr.LhsName name:dashdash) op:Equal rhs:(word.EmptyWord))]
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(lhs_expr.LhsName name:remap_to_ancestor) op:Equal rhs:{(t)})]
        )
      ]
    )
    (command.SimpleCommand
      words: [{(git)} {(rev-parse)} {(--revs-only)} {(DQ ($ VSub_At '$@'))}]
      redirects: [(redir.Redir op:<Redir_Great '>'> fd:16777215 arg_word:{(../parse)})]
    )
    (command.Case
      to_match: {(DQ ($ VSub_DollarName '$filter_subdir'))}
      arms: [
        (case_arm
          pat_list: [{(DQ )}]
          action: [
            (C {(eval)} {(set)} {(--)} 
              {
                (DQ 
                  (word_part.CommandSubPart
                    command_list: 
                      (command.CommandList
                        children: [
                          (C {(git)} {(rev-parse)} {(--sq)} {(--no-revs)} {(DQ ($ VSub_At '$@'))})
                        ]
                      )
                    left_token: <Left_CommandSub '$('>
                  )
                )
              }
            )
          ]
        )
        (case_arm
          pat_list: [{(Lit_Other '*')}]
          action: [
            (C {(eval)} {(set)} {(--)} 
              {
                (DQ 
                  (word_part.CommandSubPart
                    command_list: 
                      (command.CommandList
                        children: [
                          (C {(git)} {(rev-parse)} {(--sq)} {(--no-revs)} {(DQ ($ VSub_At '$@'))} 
                            {($ VSub_DollarName '$dashdash')} {(DQ ($ VSub_DollarName '$filter_subdir'))}
                          )
                        ]
                      )
                    left_token: <Left_CommandSub '$('>
                  )
                )
              }
            )
          ]
        )
      ]
    )
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (command.SimpleCommand
          words: [
            {(git)}
            {(rev-list)}
            {(--reverse)}
            {(--topo-order)}
            {(--default)}
            {(HEAD)}
            {(--parents)}
            {(--simplify-merges)}
            {(--stdin)}
            {(DQ ($ VSub_At '$@'))}
          ]
          redirects: [
            (redir.Redir op:<Redir_Less '<'> fd:16777215 arg_word:{(../parse)})
            (redir.Redir op:<Redir_Great '>'> fd:16777215 arg_word:{(../revs)})
          ]
        )
        (C {(die)} {(DQ ('Could not get the commits'))})
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:commits)
          op: Equal
          rhs: 
            {
              (word_part.CommandSubPart
                command_list: 
                  (command.CommandList
                    children: [
                      (command.Pipeline
                        children: [
                          (command.SimpleCommand
                            words: [{(wc)} {(-l)}]
                            redirects: [
                              (redir.Redir
                                op: <Redir_Less '<'>
                                fd: 16777215
                                arg_word: {(../revs)}
                              )
                            ]
                          )
                          (C {(tr)} {(-d)} {(DQ (' '))})
                        ]
                        negated: F
                      )
                    ]
                  )
                left_token: <Left_CommandSub '$('>
              )
            }
        )
      ]
    )
    (command.AndOr
      ops: [Op_DAmp]
      children: [
        (C {(test)} {($ VSub_DollarName '$commits')} {(-eq)} {(0)})
        (C {(die)} {(DQ ('Found nothing to rewrite'))})
      ]
    )
    (command.FuncDef
      name: report_progress
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.AndOr
                      ops: [Op_DAmp]
                      children: [
                        (C {(test)} {(-n)} {(DQ ($ VSub_DollarName '$progress'))})
                        (C {(test)} {($ VSub_DollarName '$git_filter_branch__commit_count')} {(-gt)} 
                          {($ VSub_DollarName '$next_sample_at')}
                        )
                      ]
                    )
                  ]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:count)
                          op: Equal
                          rhs: {($ VSub_DollarName '$git_filter_branch__commit_count')}
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:now)
                          op: Equal
                          rhs: 
                            {
                              (word_part.CommandSubPart
                                command_list: 
                                  (command.CommandList
                                    children: [(C {(date)} {(Lit_Other '+') (Lit_Other '%') (s)})]
                                  )
                                left_token: <Left_CommandSub '$('>
                              )
                            }
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:elapsed)
                          op: Equal
                          rhs: 
                            {
                              (word_part.ArithSubPart
                                anode: 
                                  (arith_expr.ArithBinary
                                    op_id: Arith_Minus
                                    left: (arith_expr.ArithWord w:{($ VSub_DollarName '$now')})
                                    right: 
                                      (arith_expr.ArithWord
                                        w: {($ VSub_DollarName '$start_timestamp')}
                                      )
                                  )
                              )
                            }
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:remaining)
                          op: Equal
                          rhs: 
                            {
                              (word_part.ArithSubPart
                                anode: 
                                  (arith_expr.ArithBinary
                                    op_id: Arith_Slash
                                    left: 
                                      (arith_expr.ArithBinary
                                        op_id: Arith_Star
                                        left: 
                                          (arith_expr.ArithBinary
                                            op_id: Arith_Minus
                                            left: 
                                              (arith_expr.ArithWord
                                                w: {($ VSub_DollarName '$commits')}
                                              )
                                            right: 
                                              (arith_expr.ArithWord
                                                w: {($ VSub_DollarName '$count')}
                                              )
                                          )
                                        right: 
                                          (arith_expr.ArithWord
                                            w: {($ VSub_DollarName '$elapsed')}
                                          )
                                      )
                                    right: (arith_expr.ArithWord w:{($ VSub_DollarName '$count')})
                                  )
                              )
                            }
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [(C {(test)} {($ VSub_DollarName '$elapsed')} {(-gt)} {(0)})]
                          action: [
                            (command.Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (lhs_expr.LhsName name:next_sample_at)
                                  op: Equal
                                  rhs: 
                                    {
                                      (word_part.ArithSubPart
                                        anode: 
                                          (arith_expr.ArithBinary
                                            op_id: Arith_Slash
                                            left: 
                                              (arith_expr.ArithBinary
                                                op_id: Arith_Star
                                                left: 
                                                  (arith_expr.ArithBinary
                                                    op_id: Arith_Plus
                                                    left: 
                                                      (arith_expr.ArithWord
                                                        w: {($ VSub_DollarName '$elapsed')}
                                                      )
                                                    right: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                                                  )
                                                right: 
                                                  (arith_expr.ArithWord
                                                    w: {($ VSub_DollarName '$count')}
                                                  )
                                              )
                                            right: 
                                              (arith_expr.ArithWord
                                                w: {($ VSub_DollarName '$elapsed')}
                                              )
                                          )
                                      )
                                    }
                                )
                              ]
                            )
                          ]
                        )
                      ]
                      else_action: [
                        (command.Assignment
                          keyword: Assign_None
                          pairs: [
                            (assign_pair
                              lhs: (lhs_expr.LhsName name:next_sample_at)
                              op: Equal
                              rhs: 
                                {
                                  (word_part.ArithSubPart
                                    anode: 
                                      (arith_expr.ArithBinary
                                        op_id: Arith_Plus
                                        left: 
                                          (arith_expr.ArithWord
                                            w: {($ VSub_DollarName '$next_sample_at')}
                                          )
                                        right: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                                      )
                                  )
                                }
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:progress)
                          op: Equal
                          rhs: 
                            {
                              (DQ (' (') ($ VSub_DollarName '$elapsed') (' seconds passed, remaining ') 
                                ($ VSub_DollarName '$remaining') (' predicted)')
                              )
                            }
                        )
                      ]
                    )
                  ]
                )
              ]
            )
            (C {(printf)} 
              {
                (DQ (Lit_Other '\\') ('rRewrite ') ($ VSub_DollarName '$commit') (' (') 
                  ($ VSub_DollarName '$count') (/) ($ VSub_DollarName '$commits') (')') ($ VSub_DollarName '$progress') ('    ')
                )
              }
            )
          ]
        )
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:git_filter_branch__commit_count)
          op: Equal
          rhs: {(0)}
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair lhs:(lhs_expr.LhsName name:progress) op:Equal rhs:(word.EmptyWord))
        (assign_pair lhs:(lhs_expr.LhsName name:start_timestamp) op:Equal rhs:(word.EmptyWord))
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Pipeline
              children: [
                (command.SimpleCommand
                  words: [{(date)} {(SQ <'+%s'>)}]
                  redirects: [(redir.Redir op:<Redir_Great '2>'> fd:2 arg_word:{(/dev/null)})]
                )
                (C {(grep)} {(-q)} {(SQ <'^[0-9][0-9]*$'>)})
              ]
              negated: F
            )
          ]
          action: [
            (command.Assignment
              keyword: Assign_None
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:next_sample_at) op:Equal rhs:{(0)})]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:progress)
                  op: Equal
                  rhs: {(DQ ('dummy to ensure this is not empty'))}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:start_timestamp)
                  op: Equal
                  rhs: 
                    {
                      (word_part.CommandSubPart
                        command_list: (command.CommandList children:[(C {(date)} {(SQ <'+%s'>)})])
                        left_token: <Left_CommandSub '$('>
                      )
                    }
                )
              ]
            )
          ]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.AndOr
              ops: [Op_DPipe Op_DPipe]
              children: [
                (C {(test)} {(-n)} {(DQ ($ VSub_DollarName '$filter_index'))})
                (C {(test)} {(-n)} {(DQ ($ VSub_DollarName '$filter_tree'))})
                (C {(test)} {(-n)} {(DQ ($ VSub_DollarName '$filter_subdir'))})
              ]
            )
          ]
          action: [
            (command.Assignment
              keyword: Assign_None
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:need_index) op:Equal rhs:{(t)})]
            )
          ]
        )
      ]
      else_action: [
        (command.Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(lhs_expr.LhsName name:need_index) op:Equal rhs:(word.EmptyWord))]
        )
      ]
    )
    (command.WhileUntil
      keyword: <KW_While while>
      cond: [(command.Sentence child:(C {(read)} {(commit)} {(parents)}) terminator:<Op_Semi ';'>)]
      body: 
        (command.DoGroup
          children: [
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:git_filter_branch__commit_count)
                  op: Equal
                  rhs: 
                    {
                      (word_part.ArithSubPart
                        anode: 
                          (arith_expr.ArithBinary
                            op_id: Arith_Plus
                            left: 
                              (arith_expr.ArithWord
                                w: {($ VSub_DollarName '$git_filter_branch__commit_count')}
                              )
                            right: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                          )
                      )
                    }
                )
              ]
            )
            (C {(report_progress)})
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (command.Case
                  to_match: {(DQ ($ VSub_DollarName '$filter_subdir'))}
                  arms: [
                    (case_arm
                      pat_list: [{(DQ )}]
                      action: [
                        (command.If
                          arms: [
                            (if_arm
                              cond: [(C {(test)} {(-n)} {(DQ ($ VSub_DollarName '$need_index'))})]
                              action: [
                                (command.SimpleCommand
                                  words: [
                                    {(git)}
                                    {(read-tree)}
                                    {(-i)}
                                    {(-m)}
                                    {($ VSub_DollarName '$commit')}
                                  ]
                                  more_env: [(env_pair name:GIT_ALLOW_NULL_SHA1 val:{(1)})]
                                )
                              ]
                            )
                          ]
                        )
                      ]
                    )
                    (case_arm
                      pat_list: [{(Lit_Other '*')}]
                      action: [
                        (command.AndOr
                          ops: [Op_DPipe]
                          children: [
                            (command.Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (lhs_expr.LhsName name:err)
                                  op: Equal
                                  rhs: 
                                    {
                                      (word_part.CommandSubPart
                                        command_list: 
                                          (command.CommandList
                                            children: [
                                              (command.SimpleCommand
                                                words: [
                                                  {(git)}
                                                  {(read-tree)}
                                                  {(-i)}
                                                  {(-m)}
                                                  {($ VSub_DollarName '$commit') (Lit_Other ':') 
                                                    (DQ ($ VSub_DollarName '$filter_subdir'))
                                                  }
                                                ]
                                                redirects: [
                                                  (redir.Redir
                                                    op: <Redir_GreatAnd '2>&'>
                                                    fd: 2
                                                    arg_word: {(1)}
                                                  )
                                                ]
                                                more_env: [
                                                  (env_pair
                                                    name: GIT_ALLOW_NULL_SHA1
                                                    val: {(1)}
                                                  )
                                                ]
                                              )
                                            ]
                                          )
                                        left_token: <Left_CommandSub '$('>
                                      )
                                    }
                                )
                              ]
                            )
                            (command.BraceGroup
                              children: [
                                (command.If
                                  arms: [
                                    (if_arm
                                      cond: [
                                        (command.Pipeline
                                          children: [
                                            (C {(git)} {(rev-parse)} {(-q)} {(--verify)} 
                                              {($ VSub_DollarName '$commit') (Lit_Other ':') 
                                                (DQ ($ VSub_DollarName '$filter_subdir'))
                                              }
                                            )
                                          ]
                                          negated: T
                                        )
                                      ]
                                      action: [
                                        (C {(rm)} {(-f)} {(DQ ($ VSub_DollarName '$GIT_INDEX_FILE'))})
                                      ]
                                    )
                                  ]
                                  else_action: [
                                    (command.SimpleCommand
                                      words: [{(echo)} {(DQ ($ VSub_DollarName '$err'))}]
                                      redirects: [
                                        (redir.Redir
                                          op: <Redir_GreatAnd '>&'>
                                          fd: 16777215
                                          arg_word: {(2)}
                                        )
                                      ]
                                    )
                                    (C {(false)})
                                  ]
                                )
                              ]
                            )
                          ]
                        )
                      ]
                    )
                  ]
                )
                (C {(die)} {(DQ ('Could not initialize the index'))})
              ]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:GIT_COMMIT)
                  op: Equal
                  rhs: {($ VSub_DollarName '$commit')}
                )
              ]
            )
            (C {(export)} {(GIT_COMMIT)})
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (command.SimpleCommand
                  words: [{(git)} {(cat-file)} {(commit)} {(DQ ($ VSub_DollarName '$commit'))}]
                  redirects: [(redir.Redir op:<Redir_Great '>'> fd:16777215 arg_word:{(../commit)})]
                )
                (C {(die)} {(DQ ('Cannot read commit ') ($ VSub_DollarName '$commit'))})
              ]
            )
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (C {(eval)} 
                  {
                    (DQ 
                      (word_part.CommandSubPart
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.SimpleCommand
                                words: [{(set_ident)}]
                                redirects: [
                                  (redir.Redir
                                    op: <Redir_Less '<'>
                                    fd: 16777215
                                    arg_word: {(../commit)}
                                  )
                                ]
                              )
                            ]
                          )
                        left_token: <Left_CommandSub '$('>
                      )
                    )
                  }
                )
                (C {(die)} 
                  {(DQ ('setting author/committer failed for commit ') ($ VSub_DollarName '$commit'))}
                )
              ]
            )
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (command.SimpleCommand
                  words: [{(eval)} {(DQ ($ VSub_DollarName '$filter_env'))}]
                  redirects: [(redir.Redir op:<Redir_Less '<'> fd:16777215 arg_word:{(/dev/null)})]
                )
                (C {(die)} {(DQ ('env filter failed: ') ($ VSub_DollarName '$filter_env'))})
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (C {(Lit_Other '[')} {(DQ ($ VSub_DollarName '$filter_tree'))} {(Lit_Other ']')})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.AndOr
                      ops: [Op_DPipe]
                      children: [
                        (C {(git)} {(checkout-index)} {(-f)} {(-u)} {(-a)})
                        (C {(die)} {(DQ ('Could not checkout the index'))})
                      ]
                    )
                    (C {(git)} {(clean)} {(-d)} {(-q)} {(-f)} {(-x)})
                    (command.AndOr
                      ops: [Op_DPipe]
                      children: [
                        (command.SimpleCommand
                          words: [{(eval)} {(DQ ($ VSub_DollarName '$filter_tree'))}]
                          redirects: [
                            (redir.Redir
                              op: <Redir_Less '<'>
                              fd: 16777215
                              arg_word: {(/dev/null)}
                            )
                          ]
                        )
                        (C {(die)} {(DQ ('tree filter failed: ') ($ VSub_DollarName '$filter_tree'))})
                      ]
                    )
                    (command.AndOr
                      ops: [Op_DPipe]
                      children: [
                        (command.Subshell
                          command_list: 
                            (command.CommandList
                              children: [
                                (command.AndOr
                                  ops: [Op_DAmp]
                                  children: [
                                    (C {(git)} {(diff-index)} {(-r)} {(--name-only)} 
                                      {(--ignore-submodules)} {($ VSub_DollarName '$commit')} {(--)}
                                    )
                                    (C {(git)} {(ls-files)} {(--others)})
                                  ]
                                )
                              ]
                            )
                          redirects: [
                            (redir.Redir
                              op: <Redir_Great '>'>
                              fd: 16777215
                              arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/tree-state)}
                            )
                          ]
                        )
                        (command.ControlFlow token:<ControlFlow_Exit exit>)
                      ]
                    )
                    (command.AndOr
                      ops: [Op_DPipe]
                      children: [
                        (command.SimpleCommand
                          words: [{(git)} {(update-index)} {(--add)} {(--replace)} {(--remove)} {(--stdin)}]
                          redirects: [
                            (redir.Redir
                              op: <Redir_Less '<'>
                              fd: 16777215
                              arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/tree-state)}
                            )
                          ]
                        )
                        (command.ControlFlow token:<ControlFlow_Exit exit>)
                      ]
                    )
                  ]
                )
              ]
            )
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (command.SimpleCommand
                  words: [{(eval)} {(DQ ($ VSub_DollarName '$filter_index'))}]
                  redirects: [(redir.Redir op:<Redir_Less '<'> fd:16777215 arg_word:{(/dev/null)})]
                )
                (C {(die)} {(DQ ('index filter failed: ') ($ VSub_DollarName '$filter_index'))})
              ]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:parentstr) op:Equal rhs:(word.EmptyWord))]
            )
            (command.ForEach
              iter_name: parent
              iter_words: [{($ VSub_DollarName '$parents')}]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (command.ForEach
                      iter_name: reparent
                      iter_words: [
                        {
                          (word_part.CommandSubPart
                            command_list: 
                              (command.CommandList
                                children: [(C {(map)} {(DQ ($ VSub_DollarName '$parent'))})]
                              )
                            left_token: <Left_CommandSub '$('>
                          )
                        }
                      ]
                      do_arg_iter: F
                      body: 
                        (command.DoGroup
                          children: [
                            (command.Case
                              to_match: {(DQ ($ VSub_DollarName '$parentstr') (' '))}
                              arms: [
                                (case_arm
                                  pat_list: [
                                    {(Lit_Other '*') 
                                      (DQ (' -p ') ($ VSub_DollarName '$reparent') (' ')) (Lit_Other '*')
                                    }
                                  ]
                                )
                                (case_arm
                                  pat_list: [{(Lit_Other '*')}]
                                  action: [
                                    (command.Assignment
                                      keyword: Assign_None
                                      pairs: [
                                        (assign_pair
                                          lhs: (lhs_expr.LhsName name:parentstr)
                                          op: Equal
                                          rhs: 
                                            {
                                              (DQ ($ VSub_DollarName '$parentstr') (' -p ') 
                                                ($ VSub_DollarName '$reparent')
                                              )
                                            }
                                        )
                                      ]
                                    )
                                  ]
                                )
                              ]
                            )
                          ]
                        )
                    )
                  ]
                )
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (C {(Lit_Other '[')} {(DQ ($ VSub_DollarName '$filter_parent'))} 
                          {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.AndOr
                      ops: [Op_DPipe]
                      children: [
                        (command.Assignment
                          keyword: Assign_None
                          pairs: [
                            (assign_pair
                              lhs: (lhs_expr.LhsName name:parentstr)
                              op: Equal
                              rhs: 
                                {
                                  (DQ 
                                    (word_part.CommandSubPart
                                      command_list: 
                                        (command.CommandList
                                          children: [
                                            (command.Pipeline
                                              children: [
                                                (C {(echo)} {(DQ ($ VSub_DollarName '$parentstr'))})
                                                (C {(eval)} {(DQ ($ VSub_DollarName '$filter_parent'))})
                                              ]
                                              negated: F
                                            )
                                          ]
                                        )
                                      left_token: <Left_CommandSub '$('>
                                    )
                                  )
                                }
                            )
                          ]
                        )
                        (C {(die)} 
                          {(DQ ('parent filter failed: ') ($ VSub_DollarName '$filter_parent'))}
                        )
                      ]
                    )
                  ]
                )
              ]
            )
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (command.Pipeline
                  children: [
                    (command.BraceGroup
                      children: [
                        (command.WhileUntil
                          keyword: <KW_While while>
                          cond: [
                            (command.AndOr
                              ops: [Op_DAmp]
                              children: [
                                (command.SimpleCommand
                                  words: [{(read)} {(-r)} {(header_line)}]
                                  more_env: [(env_pair name:IFS val:{(SQ )})]
                                )
                                (C {(test)} {(-n)} {(DQ ($ VSub_DollarName '$header_line'))})
                              ]
                            )
                          ]
                          body: 
                            (command.DoGroup
                              children: [
                                (command.Sentence
                                  child: (C {(Lit_Other ':')})
                                  terminator: <Op_Semi ';'>
                                )
                              ]
                            )
                        )
                        (C {(cat)})
                      ]
                      redirects: [(redir.Redir op:<Redir_Less '<'> fd:16777215 arg_word:{(../commit)})]
                    )
                    (command.SimpleCommand
                      words: [{(eval)} {(DQ ($ VSub_DollarName '$filter_msg'))}]
                      redirects: [
                        (redir.Redir
                          op: <Redir_Great '>'>
                          fd: 16777215
                          arg_word: {(../message)}
                        )
                      ]
                    )
                  ]
                  negated: F
                )
                (C {(die)} {(DQ ('msg filter failed: ') ($ VSub_DollarName '$filter_msg'))})
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [(C {(test)} {(-n)} {(DQ ($ VSub_DollarName '$need_index'))})]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:tree)
                          op: Equal
                          rhs: 
                            {
                              (word_part.CommandSubPart
                                command_list: 
                                  (command.CommandList
                                    children: [(C {(git)} {(write-tree)})]
                                  )
                                left_token: <Left_CommandSub '$('>
                              )
                            }
                        )
                      ]
                    )
                  ]
                )
              ]
              else_action: [
                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:tree)
                      op: Equal
                      rhs: 
                        {
                          (word_part.CommandSubPart
                            command_list: 
                              (command.CommandList
                                children: [
                                  (C {(git)} {(rev-parse)} 
                                    {(DQ ($ VSub_DollarName '$commit') ('^{tree}'))}
                                  )
                                ]
                              )
                            left_token: <Left_CommandSub '$('>
                          )
                        }
                    )
                  ]
                )
              ]
            )
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (command.SimpleCommand
                  words: [
                    {(Lit_Other '@') (SHELL_PATH) (Lit_Other '@')}
                    {(-c)}
                    {(DQ ($ VSub_DollarName '$filter_commit'))}
                    {(DQ ('git commit-tree'))}
                    {(DQ ($ VSub_DollarName '$tree'))}
                    {($ VSub_DollarName '$parentstr')}
                  ]
                  redirects: [
                    (redir.Redir
                      op: <Redir_Less '<'>
                      fd: 16777215
                      arg_word: {(../message)}
                    )
                    (redir.Redir
                      op: <Redir_Great '>'>
                      fd: 16777215
                      arg_word: {(../map/) ($ VSub_DollarName '$commit')}
                    )
                  ]
                  more_env: [(env_pair name:workdir val:{($ VSub_DollarName '$workdir')})]
                )
                (C {(die)} {(DQ ('could not write rewritten commit'))})
              ]
            )
          ]
        )
      redirects: [(redir.Redir op:<Redir_Less '<'> fd:16777215 arg_word:{(../revs)})]
    )
    (command.If
      arms: [
        (if_arm
          cond: [(C {(test)} {(DQ ($ VSub_DollarName '$remap_to_ancestor'))} {(Lit_Other '=')} {(t)})]
          action: [
            (command.WhileUntil
              keyword: <KW_While while>
              cond: [(C {(read)} {(ref)})]
              body: 
                (command.DoGroup
                  children: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:sha1)
                          op: Equal
                          rhs: 
                            {
                              (word_part.CommandSubPart
                                command_list: 
                                  (command.CommandList
                                    children: [
                                      (C {(git)} {(rev-parse)} 
                                        {(DQ ($ VSub_DollarName '$ref')) (Lit_Other '^') (0)}
                                      )
                                    ]
                                  )
                                left_token: <Left_CommandSub '$('>
                              )
                            }
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Op_DAmp]
                      children: [
                        (C {(test)} {(-f)} 
                          {(DQ ($ VSub_DollarName '$workdir')) (/../map/) ($ VSub_DollarName '$sha1')}
                        )
                        (command.ControlFlow
                          token: <ControlFlow_Continue continue>
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:ancestor)
                          op: Equal
                          rhs: 
                            {
                              (word_part.CommandSubPart
                                command_list: 
                                  (command.CommandList
                                    children: [
                                      (C {(git)} {(rev-list)} {(--simplify-merges)} {(-1)} 
                                        {(DQ ($ VSub_DollarName '$ref'))} {(DQ ($ VSub_At '$@'))}
                                      )
                                    ]
                                  )
                                left_token: <Left_CommandSub '$('>
                              )
                            }
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Op_DAmp]
                      children: [
                        (C {(test)} {(DQ ($ VSub_DollarName '$ancestor'))})
                        (command.SimpleCommand
                          words: [
                            {(echo)}
                            {
                              (word_part.CommandSubPart
                                command_list: 
                                  (command.CommandList
                                    children: [(C {(map)} {($ VSub_DollarName '$ancestor')})]
                                  )
                                left_token: <Left_CommandSub '$('>
                              )
                            }
                          ]
                          redirects: [
                            (redir.Redir
                              op: <Redir_DGreat '>>'>
                              fd: 16777215
                              arg_word: 
                                {(DQ ($ VSub_DollarName '$workdir')) (/../map/) 
                                  ($ VSub_DollarName '$sha1')
                                }
                            )
                          ]
                        )
                      ]
                    )
                  ]
                )
              redirects: [
                (redir.Redir
                  op: <Redir_Less '<'>
                  fd: 16777215
                  arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/heads)}
                )
              ]
            )
          ]
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:_x40)
          op: Equal
          rhs: {(SQ <'[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'>)}
        )
      ]
    )
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:_x40)
          op: Equal
          rhs: 
            {
              (DQ ($ VSub_DollarName '$_x40') ($ VSub_DollarName '$_x40') ($ VSub_DollarName '$_x40') 
                ($ VSub_DollarName '$_x40') ($ VSub_DollarName '$_x40') ($ VSub_DollarName '$_x40') ($ VSub_DollarName '$_x40') 
                ($ VSub_DollarName '$_x40')
              )
            }
        )
      ]
    )
    (C {(echo)})
    (command.WhileUntil
      keyword: <KW_While while>
      cond: [(C {(read)} {(ref)})]
      body: 
        (command.DoGroup
          children: [
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (C {(test)} {(-f)} 
                  {(DQ ($ VSub_DollarName '$orig_namespace') ($ VSub_DollarName '$ref'))}
                )
                (command.ControlFlow token:<ControlFlow_Continue continue>)
              ]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:sha1)
                  op: Equal
                  rhs: 
                    {
                      (word_part.CommandSubPart
                        command_list: 
                          (command.CommandList
                            children: [
                              (C {(git)} {(rev-parse)} 
                                {(DQ ($ VSub_DollarName '$ref')) (Lit_Other '^') (0)}
                              )
                            ]
                          )
                        left_token: <Left_CommandSub '$('>
                      )
                    }
                )
              ]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:rewritten)
                  op: Equal
                  rhs: 
                    {
                      (word_part.CommandSubPart
                        command_list: 
                          (command.CommandList
                            children: [(C {(map)} {($ VSub_DollarName '$sha1')})]
                          )
                        left_token: <Left_CommandSub '$('>
                      )
                    }
                )
              ]
            )
            (command.AndOr
              ops: [Op_DAmp Op_DAmp]
              children: [
                (C {(test)} {($ VSub_DollarName '$sha1')} {(Lit_Other '=')} 
                  {(DQ ($ VSub_DollarName '$rewritten'))}
                )
                (C {(warn)} {(DQ ("WARNING: Ref '") ($ VSub_DollarName '$ref') ("' is unchanged"))})
                (command.ControlFlow token:<ControlFlow_Continue continue>)
              ]
            )
            (command.Case
              to_match: {(DQ ($ VSub_DollarName '$rewritten'))}
              arms: [
                (case_arm
                  pat_list: [{(SQ )}]
                  action: [
                    (C {(echo)} {(DQ ("Ref '") ($ VSub_DollarName '$ref') ("' was deleted"))})
                    (command.AndOr
                      ops: [Op_DPipe]
                      children: [
                        (C {(git)} {(update-ref)} {(-m)} {(DQ ('filter-branch: delete'))} {(-d)} 
                          {(DQ ($ VSub_DollarName '$ref'))} {($ VSub_DollarName '$sha1')}
                        )
                        (C {(die)} {(DQ ('Could not delete ') ($ VSub_DollarName '$ref'))})
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{($ VSub_DollarName '$_x40')}]
                  action: [
                    (C {(echo)} {(DQ ("Ref '") ($ VSub_DollarName '$ref') ("' was rewritten"))})
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (command.Pipeline
                                  children: [
                                    (command.SimpleCommand
                                      words: [
                                        {(git)}
                                        {(update-ref)}
                                        {(-m)}
                                        {(DQ ('filter-branch: rewrite'))}
                                        {(DQ ($ VSub_DollarName '$ref'))}
                                        {($ VSub_DollarName '$rewritten')}
                                        {($ VSub_DollarName '$sha1')}
                                      ]
                                      redirects: [
                                        (redir.Redir
                                          op: <Redir_Great '2>'>
                                          fd: 2
                                          arg_word: {(/dev/null)}
                                        )
                                      ]
                                    )
                                  ]
                                  negated: T
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (command.Sentence
                                      child: 
                                        (C {(test)} 
                                          {
                                            (word_part.CommandSubPart
                                              command_list: 
                                                (command.CommandList
                                                  children: [
                                                    (C {(git)} {(cat-file)} {(-t)} 
                                                      {(DQ ($ VSub_DollarName '$ref'))}
                                                    )
                                                  ]
                                                )
                                              left_token: <Left_CommandSub '$('>
                                            )
                                          } {(Lit_Other '=')} {(tag)}
                                        )
                                      terminator: <Op_Semi ';'>
                                    )
                                  ]
                                  action: [
                                    (command.If
                                      arms: [
                                        (if_arm
                                          cond: [
                                            (command.Sentence
                                              child: 
                                                (C {(test)} {(-z)} 
                                                  {(DQ ($ VSub_DollarName '$filter_tag_name'))}
                                                )
                                              terminator: <Op_Semi ';'>
                                            )
                                          ]
                                          action: [
                                            (C {(warn)} 
                                              {
                                                (DQ 
                                                  (
'WARNING: You said to rewrite tagged commits, but not the corresponding tag.'
                                                  )
                                                )
                                              }
                                            )
                                            (C {(warn)} 
                                              {
                                                (DQ 
                                                  (
"WARNING: Perhaps use '--tag-name-filter cat' to rewrite the tag."
                                                  )
                                                )
                                              }
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                )
                              ]
                              else_action: [
                                (C {(die)} {(DQ ('Could not rewrite ') ($ VSub_DollarName '$ref'))})
                              ]
                            )
                          ]
                        )
                      ]
                    )
                  ]
                )
                (case_arm
                  pat_list: [{(Lit_Other '*')}]
                  action: [
                    (C {(warn)} 
                      {
                        (DQ ("WARNING: '") ($ VSub_DollarName '$ref') 
                          ("' was rewritten into multiple commits:")
                        )
                      }
                    )
                    (C {(warn)} {(DQ ($ VSub_DollarName '$rewritten'))})
                    (C {(warn)} 
                      {
                        (DQ ("WARNING: Ref '") ($ VSub_DollarName '$ref') 
                          ("' points to the first one now.")
                        )
                      }
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:rewritten)
                          op: Equal
                          rhs: 
                            {
                              (word_part.CommandSubPart
                                command_list: 
                                  (command.CommandList
                                    children: [
                                      (command.Pipeline
                                        children: [
                                          (C {(echo)} {(DQ ($ VSub_DollarName '$rewritten'))})
                                          (C {(head)} {(-n)} {(1)})
                                        ]
                                        negated: F
                                      )
                                    ]
                                  )
                                left_token: <Left_CommandSub '$('>
                              )
                            }
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Op_DPipe]
                      children: [
                        (C {(git)} {(update-ref)} {(-m)} {(DQ ('filter-branch: rewrite to first'))} 
                          {(DQ ($ VSub_DollarName '$ref'))} {($ VSub_DollarName '$rewritten')} {($ VSub_DollarName '$sha1')}
                        )
                        (C {(die)} {(DQ ('Could not rewrite ') ($ VSub_DollarName '$ref'))})
                      ]
                    )
                  ]
                )
              ]
            )
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (C {(git)} {(update-ref)} {(-m)} {(DQ ('filter-branch: backup'))} 
                  {(DQ ($ VSub_DollarName '$orig_namespace') ($ VSub_DollarName '$ref'))} {($ VSub_DollarName '$sha1')}
                )
                (command.ControlFlow token:<ControlFlow_Exit exit>)
              ]
            )
          ]
        )
      redirects: [
        (redir.Redir
          op: <Redir_Less '<'>
          fd: 16777215
          arg_word: {(DQ ($ VSub_DollarName '$tempdir')) (/heads)}
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Lit_Other '[')} {(DQ ($ VSub_DollarName '$filter_tag_name'))} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (command.Pipeline
              children: [
                (C {(git)} {(for-each-ref)} 
                  {(--format) (Lit_Other '=') (SQ <'%(objectname) %(objecttype) %(refname)'>)} {(refs/tags)}
                )
                (command.WhileUntil
                  keyword: <KW_While while>
                  cond: [
                    (command.Sentence
                      child: (C {(read)} {(sha1)} {(type)} {(ref)})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  body: 
                    (command.DoGroup
                      children: [
                        (command.Assignment
                          keyword: Assign_None
                          pairs: [
                            (assign_pair
                              lhs: (lhs_expr.LhsName name:ref)
                              op: Equal
                              rhs: 
                                {
                                  (DQ 
                                    (word_part.BracedVarSub
                                      token: <VSub_Name ref>
                                      suffix_op: 
                                        (suffix_op.StringUnary
                                          op_id: VOp1_Pound
                                          arg_word: {(refs) (Lit_Slash /) (tags) (Lit_Slash /)}
                                        )
                                    )
                                  )
                                }
                            )
                          ]
                        )
                        (command.If
                          arms: [
                            (if_arm
                              cond: [
                                (command.Sentence
                                  child: 
                                    (C {(Lit_Other '[')} {(DQ ($ VSub_DollarName '$type'))} 
                                      {(KW_Bang '!') (Lit_Other '=')} {(DQ (commit))} {(-a)} {(DQ ($ VSub_DollarName '$type'))} {(KW_Bang '!') (Lit_Other '=')} {(DQ (tag))} 
                                      {(Lit_Other ']')}
                                    )
                                  terminator: <Op_Semi ';'>
                                )
                              ]
                              action: [
                                (command.Sentence
                                  child: (command.ControlFlow token:<ControlFlow_Continue continue>)
                                  terminator: <Op_Semi ';'>
                                )
                              ]
                            )
                          ]
                        )
                        (command.If
                          arms: [
                            (if_arm
                              cond: [
                                (command.Sentence
                                  child: 
                                    (C {(Lit_Other '[')} {(DQ ($ VSub_DollarName '$type'))} 
                                      {(Lit_Other '=')} {(DQ (tag))} {(Lit_Other ']')}
                                    )
                                  terminator: <Op_Semi ';'>
                                )
                              ]
                              action: [
                                (command.Assignment
                                  keyword: Assign_None
                                  pairs: [
                                    (assign_pair
                                      lhs: (lhs_expr.LhsName name:sha1t)
                                      op: Equal
                                      rhs: {(DQ ($ VSub_DollarName '$sha1'))}
                                    )
                                  ]
                                )
                                (command.AndOr
                                  ops: [Op_DPipe]
                                  children: [
                                    (command.Assignment
                                      keyword: Assign_None
                                      pairs: [
                                        (assign_pair
                                          lhs: (lhs_expr.LhsName name:sha1)
                                          op: Equal
                                          rhs: 
                                            {
                                              (DQ 
                                                (word_part.CommandSubPart
                                                  command_list: 
                                                    (command.CommandList
                                                      children: [
                                                        (C {(git)} {(rev-parse)} {(-q)} 
                                                          {(DQ ($ VSub_DollarName '$sha1')) 
                                                            (Lit_Other '^') (Lit_LBrace '{') (commit) (Lit_RBrace '}')
                                                          }
                                                        )
                                                      ]
                                                    )
                                                  left_token: <Left_CommandSub '$('>
                                                )
                                              )
                                            }
                                        )
                                      ]
                                    )
                                    (command.ControlFlow
                                      token: <ControlFlow_Continue continue>
                                    )
                                  ]
                                )
                              ]
                            )
                          ]
                        )
                        (command.AndOr
                          ops: [Op_DPipe]
                          children: [
                            (C {(Lit_Other '[')} {(-f)} {(DQ (../map/) ($ VSub_DollarName '$sha1'))} 
                              {(Lit_Other ']')}
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Continue continue>
                            )
                          ]
                        )
                        (command.Assignment
                          keyword: Assign_None
                          pairs: [
                            (assign_pair
                              lhs: (lhs_expr.LhsName name:new_sha1)
                              op: Equal
                              rhs: 
                                {
                                  (DQ 
                                    (word_part.CommandSubPart
                                      command_list: 
                                        (command.CommandList
                                          children: [
                                            (C {(cat)} {(DQ (../map/) ($ VSub_DollarName '$sha1'))})
                                          ]
                                        )
                                      left_token: <Left_CommandSub '$('>
                                    )
                                  )
                                }
                            )
                          ]
                        )
                        (command.Assignment
                          keyword: Assign_None
                          pairs: [
                            (assign_pair
                              lhs: (lhs_expr.LhsName name:GIT_COMMIT)
                              op: Equal
                              rhs: {(DQ ($ VSub_DollarName '$sha1'))}
                            )
                          ]
                        )
                        (C {(export)} {(GIT_COMMIT)})
                        (command.AndOr
                          ops: [Op_DPipe]
                          children: [
                            (command.Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (lhs_expr.LhsName name:new_ref)
                                  op: Equal
                                  rhs: 
                                    {
                                      (DQ 
                                        (word_part.CommandSubPart
                                          command_list: 
                                            (command.CommandList
                                              children: [
                                                (command.Pipeline
                                                  children: [
                                                    (C {(echo)} {(DQ ($ VSub_DollarName '$ref'))})
                                                    (C {(eval)} 
                                                      {(DQ ($ VSub_DollarName '$filter_tag_name'))}
                                                    )
                                                  ]
                                                  negated: F
                                                )
                                              ]
                                            )
                                          left_token: <Left_CommandSub '$('>
                                        )
                                      )
                                    }
                                )
                              ]
                            )
                            (C {(die)} 
                              {
                                (DQ ('tag name filter failed: ') 
                                  ($ VSub_DollarName '$filter_tag_name')
                                )
                              }
                            )
                          ]
                        )
                        (C {(echo)} 
                          {
                            (DQ ($ VSub_DollarName '$ref') (' -> ') ($ VSub_DollarName '$new_ref') 
                              (' (') ($ VSub_DollarName '$sha1') (' -> ') ($ VSub_DollarName '$new_sha1') (')')
                            )
                          }
                        )
                        (command.If
                          arms: [
                            (if_arm
                              cond: [
                                (command.Sentence
                                  child: 
                                    (C {(Lit_Other '[')} {(DQ ($ VSub_DollarName '$type'))} 
                                      {(Lit_Other '=')} {(DQ (tag))} {(Lit_Other ']')}
                                    )
                                  terminator: <Op_Semi ';'>
                                )
                              ]
                              action: [
                                (command.AndOr
                                  ops: [Op_DPipe]
                                  children: [
                                    (command.Assignment
                                      keyword: Assign_None
                                      pairs: [
                                        (assign_pair
                                          lhs: (lhs_expr.LhsName name:new_sha1)
                                          op: Equal
                                          rhs: 
                                            {
                                              (word_part.CommandSubPart
                                                command_list: 
                                                  (command.CommandList
                                                    children: [
                                                      (command.Pipeline
                                                        children: [
                                                          (command.Subshell
                                                            command_list: 
                                                              (command.CommandList
                                                                children: [
                                                                  (C {(printf)} 
                                                                    {
                                                                      (SQ 
                                                                        <
'object %s\\ntype commit\\ntag %s\\n'
                                                                        >
                                                                      )
                                                                    } {(DQ ($ VSub_DollarName '$new_sha1'))} {(DQ ($ VSub_DollarName '$new_ref'))}
                                                                  )
                                                                  (command.Pipeline
                                                                    children: [
                                                                      (C {(git)} {(cat-file)} {(tag)} 
                                                                        {
                                                                          (DQ 
                                                                            ($ VSub_DollarName '$ref')
                                                                          )
                                                                        }
                                                                      )
                                                                      (C {(sed)} {(-n)} {(-e)} 
                                                                        {
                                                                          (SQ <'1,/^$/{\n'> 
                                                                            <
'\t\t\t\t\t  /^object /d\n'
                                                                            > <'\t\t\t\t\t  /^type /d\n'> <'\t\t\t\t\t  /^tag /d\n'> <'\t\t\t\t\t}'>
                                                                          )
                                                                        } {(-e)} {(SQ <'/^-----BEGIN PGP SIGNATURE-----/q'>)} {(-e)} {(SQ <p>)}
                                                                      )
                                                                    ]
                                                                    negated: F
                                                                  )
                                                                ]
                                                              )
                                                          )
                                                          (C {(git)} {(mktag)})
                                                        ]
                                                        negated: F
                                                      )
                                                    ]
                                                  )
                                                left_token: <Left_CommandSub '$('>
                                              )
                                            }
                                        )
                                      ]
                                    )
                                    (C {(die)} 
                                      {
                                        (DQ ('Could not create new tag object for ') 
                                          ($ VSub_DollarName '$ref')
                                        )
                                      }
                                    )
                                  ]
                                )
                                (command.If
                                  arms: [
                                    (if_arm
                                      cond: [
                                        (command.Pipeline
                                          children: [
                                            (C {(git)} {(cat-file)} {(tag)} 
                                              {(DQ ($ VSub_DollarName '$ref'))}
                                            )
                                            (command.SimpleCommand
                                              words: [
                                                {(sane_grep)}
                                                {(SQ <'^-----BEGIN PGP SIGNATURE-----'>)}
                                              ]
                                              redirects: [
                                                (redir.Redir
                                                  op: <Redir_Great '>'>
                                                  fd: 16777215
                                                  arg_word: {(/dev/null)}
                                                )
                                                (redir.Redir
                                                  op: <Redir_GreatAnd '2>&'>
                                                  fd: 2
                                                  arg_word: {(1)}
                                                )
                                              ]
                                            )
                                          ]
                                          negated: F
                                        )
                                      ]
                                      action: [
                                        (C {(warn)} 
                                          {
                                            (DQ ('gpg signature stripped from tag object ') 
                                              ($ VSub_DollarName '$sha1t')
                                            )
                                          }
                                        )
                                      ]
                                    )
                                  ]
                                )
                              ]
                            )
                          ]
                        )
                        (command.AndOr
                          ops: [Op_DPipe]
                          children: [
                            (C {(git)} {(update-ref)} {(DQ (refs/tags/) ($ VSub_DollarName '$new_ref'))} 
                              {(DQ ($ VSub_DollarName '$new_sha1'))}
                            )
                            (C {(die)} {(DQ ('Could not write tag ') ($ VSub_DollarName '$new_ref'))})
                          ]
                        )
                      ]
                    )
                )
              ]
              negated: F
            )
          ]
        )
      ]
    )
    (C {(cd)} {(DQ ($ VSub_DollarName '$orig_dir'))})
    (C {(rm)} {(-rf)} {(DQ ($ VSub_DollarName '$tempdir'))})
    (C {(trap)} {(-)} {(0)})
    (C {(unset)} {(GIT_DIR)} {(GIT_WORK_TREE)} {(GIT_INDEX_FILE)})
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (C {(test)} {(-z)} {(DQ ($ VSub_DollarName '$ORIG_GIT_DIR'))})
        (command.BraceGroup
          children: [
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:GIT_DIR)
                      op: Equal
                      rhs: {(DQ ($ VSub_DollarName '$ORIG_GIT_DIR'))}
                    )
                  ]
                )
                (C {(export)} {(GIT_DIR)})
              ]
            )
          ]
        )
      ]
    )
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (C {(test)} {(-z)} {(DQ ($ VSub_DollarName '$ORIG_GIT_WORK_TREE'))})
        (command.BraceGroup
          children: [
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:GIT_WORK_TREE)
                      op: Equal
                      rhs: {(DQ ($ VSub_DollarName '$ORIG_GIT_WORK_TREE'))}
                    )
                  ]
                )
                (C {(export)} {(GIT_WORK_TREE)})
              ]
            )
          ]
        )
      ]
    )
    (command.AndOr
      ops: [Op_DPipe]
      children: [
        (C {(test)} {(-z)} {(DQ ($ VSub_DollarName '$ORIG_GIT_INDEX_FILE'))})
        (command.BraceGroup
          children: [
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:GIT_INDEX_FILE)
                      op: Equal
                      rhs: {(DQ ($ VSub_DollarName '$ORIG_GIT_INDEX_FILE'))}
                    )
                  ]
                )
                (C {(export)} {(GIT_INDEX_FILE)})
              ]
            )
          ]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Lit_Other '[')} 
                  {
                    (DQ 
                      (word_part.CommandSubPart
                        command_list: (command.CommandList children:[(C {(is_bare_repository)})])
                        left_token: <Left_CommandSub '$('>
                      )
                    )
                  } {(Lit_Other '=')} {(false)} {(Lit_Other ']')}
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (command.AndOr
              ops: [Op_DPipe]
              children: [
                (C {(git)} {(read-tree)} {(-u)} {(-m)} {(HEAD)})
                (command.ControlFlow token:<ControlFlow_Exit exit>)
              ]
            )
          ]
        )
      ]
    )
    (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(0)})
  ]
)