(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('OPTIONS_KEEPDASHDASH', {[LIT_CHARS t]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('OPTIONS_SPEC', {[DQ [LIT_CHARS "git-checkout [options] [<branch>] [<paths>...]\n"][LIT_CHARS "--\n"][LIT_CHARS "b=          create a new branch started at <branch>\n"][LIT_CHARS "l           create the new branch's reflog\n"][LIT_CHARS "track       arrange that the new branch tracks the remote branch\n"][LIT_CHARS "f           proceed even if the index or working tree is not HEAD\n"][LIT_CHARS "m           merge local modifications into the new branch\n"][LIT_CHARS "q,quiet     be quiet\n"]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('SUBDIRECTORY_OK', {[LIT_CHARS Sometimes]})])
  (Com {[LIT_CHARS .]} {[LIT_CHARS git-sh-setup]})
  (Com {[LIT_CHARS require_work_tree]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('old_name', {[LIT_CHARS HEAD]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('old', {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_CHARS git]} {[LIT_CHARS rev-parse]} {[LIT_CHARS --verify]} {[VarSub old_name]})]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oldbranch', {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_CHARS git]} {[LIT_CHARS symbolic-ref]} {[VarSub old_name]})]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new_name', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('force', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('branch', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('track', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('newbranch', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('newbranch_log', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('merge', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('quiet', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('v', {[LIT_CHARS -v]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('LF', {[SQ <LIT_CHARS "\n">]})])
  (While
    (Com {[LIT_CHARS test]} {[VarSub #]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[LIT_CHARS 0]})
    (List
      (Case to_match={[DQ [VarSub 1]]}, pat_word_list=[[{[LIT_CHARS -b]}], [{[LIT_CHARS -l]}], [{[LIT_CHARS --track]}, {[LIT_CHARS --no-track]}], [{[LIT_CHARS -f]}], [{[LIT_CHARS -m]}], [{[LIT_CHARS -q]}, {[LIT_CHARS --quiet]}], [{[LIT_CHARS --]}], [{[LIT_OTHER "*"]}]]
        (List
          (Com {[LIT_CHARS shift]})
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('newbranch', {[DQ [VarSub 1]]})])
          (AndOr OP_AND_IF
            (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub newbranch]]} {[LIT_OTHER "]"]})
            (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "git checkout: -b needs a branch name"]]})
          )
          (AndOr OP_AND_IF
            (Com {[LIT_CHARS git]} {[LIT_CHARS show-ref]} {[LIT_CHARS --verify]} {[LIT_CHARS --quiet]} {[LIT_CHARS --]} {[DQ [LIT_CHARS refs/heads/][VarSub newbranch]]})
            (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "git checkout: branch "][VarSub newbranch][LIT_CHARS " already exists"]]})
          )
          (AndOr OP_OR_IF
            (Com {[LIT_CHARS git]} {[LIT_CHARS check-ref-format]} {[DQ [LIT_CHARS heads/][VarSub newbranch]]})
            (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "git checkout: we do not like '"][VarSub newbranch][LIT_CHARS "' as a branch name."]]})
          )
        )
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('newbranch_log', {[LIT_CHARS -l]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('track', {[DQ [VarSub 1]]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('force', {[LIT_CHARS 1]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('merge', {[LIT_CHARS 1]})])
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('quiet', {[LIT_CHARS 1]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('v', {[SQ ]})])
        )
        (List
          (Com {[LIT_CHARS shift]})
          (Com {[LIT_CHARS break]})
        )
        (Com {[LIT_CHARS usage]})
      )
      (Com {[LIT_CHARS shift]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arg', {[DQ [VarSub 1]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('rev', {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_CHARS git]} {[LIT_CHARS rev-parse]} {[LIT_CHARS --verify]} {[DQ [VarSub arg]]})]})])
  (If
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('rev', {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_CHARS git]} {[LIT_CHARS rev-parse]} {[LIT_CHARS --verify]} {[DQ [VarSub rev][LIT_CHARS "^0"]]})]})])
    (List
      (AndOr OP_AND_IF
        (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub rev]]} {[LIT_OTHER "]"]})
        (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "unknown flag "][VarSub arg]]})
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new_name', {[DQ [VarSub arg]]})])
      (If
        (Com {[LIT_CHARS git]} {[LIT_CHARS show-ref]} {[LIT_CHARS --verify]} {[LIT_CHARS --quiet]} {[LIT_CHARS --]} {[DQ [LIT_CHARS refs/heads/][VarSub arg]]})
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('rev', {[ComSub (Com {[LIT_CHARS git]} {[LIT_CHARS rev-parse]} {[LIT_CHARS --verify]} {[DQ [LIT_CHARS refs/heads/][VarSub arg][LIT_CHARS "^0"]]})]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('branch', {[DQ [VarSub arg]]})])
        )
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new', {[DQ [VarSub rev]]})])
      (Com {[LIT_CHARS shift]})
    )
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('rev', {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_CHARS git]} {[LIT_CHARS rev-parse]} {[LIT_CHARS --verify]} {[DQ [VarSub rev][LIT_CHARS "^{tree}"]]})]})])
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new', {[DQ [VarSub rev]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new_name', {[DQ [VarSub rev][LIT_CHARS "^{tree}"]]})])
      (Com {[LIT_CHARS shift]})
    )
  )
  (AndOr OP_AND_IF
    (Com {[LIT_OTHER "["]} {[DQ [VarSub 1]]} {[LIT_OTHER "="]} {[DQ [LIT_CHARS --]]} {[LIT_OTHER "]"]})
    (Com {[LIT_CHARS shift]})
  )
  (Case to_match={[DQ [VarSub newbranch][LIT_CHARS ","][VarSub track]]}, pat_word_list=[[{[LIT_COMMA ","] [LIT_CHARS --] [LIT_OTHER "*"]}]]
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "git checkout: --track and --no-track require -b"]]})
  )
  (Case to_match={[DQ [VarSub force][VarSub merge]]}, pat_word_list=[[{[LIT_CHARS 11]}]]
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "git checkout: -f and -m are incompatible"]]})
  )
  (If
    (Com {[LIT_CHARS test]} {[DQ [VarSub #]]} {[LIT_CHARS -ge]} {[LIT_CHARS 1]})
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('hint', {[SQ ]})])
      (If
        (Com {[LIT_CHARS test]} {[DQ [VarSub #]]} {[LIT_CHARS -eq]} {[LIT_CHARS 1]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('hint', {[DQ [LIT_CHARS "\n"][LIT_CHARS "Did you intend to checkout '"][VarSub @][LIT_CHARS "' which can not be resolved as commit?"]]})])
      )
      (If
        (Com {[LIT_CHARS test]} {[SQ ]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[DQ [VarSub newbranch][VarSub force][VarSub merge]]})
        (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "git checkout: updating paths is incompatible with switching branches/forcing"][VarSub hint]]})
      )
      (If
        (Com {[LIT_CHARS test]} {[SQ ]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[DQ [VarSub new]]})
        (AndOr OP_OR_IF
          (Pipeline
            (Com {[LIT_CHARS git]} {[LIT_CHARS ls-tree]} {[LIT_CHARS --full-name]} {[LIT_CHARS -r]} {[DQ [VarSub new]]} {[DQ [VarSub @]]})
            (Com {[LIT_CHARS git]} {[LIT_CHARS update-index]} {[LIT_CHARS --index-info]})
          )
          (Com {[LIT_CHARS exit]} {[VarSub ?]})
        )
      )
      (AndOr OP_OR_IF
        (Com {[LIT_CHARS git]} {[LIT_CHARS ls-files]} {[LIT_CHARS --full-name]} {[LIT_CHARS --error-unmatch]} {[LIT_CHARS --]} {[DQ [VarSub @]]}
          <
          (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
          >
        )
        (Com {[LIT_CHARS exit]})
      )
      (Pipeline
        (Com {[LIT_CHARS git]} {[LIT_CHARS ls-files]} {[LIT_CHARS --full-name]} {[LIT_CHARS --]} {[DQ [VarSub @]]})
        (Subshell
          (AndOr OP_AND_IF
            (Com {[LIT_CHARS cd_to_toplevel]})
            (Com {[LIT_CHARS git]} {[LIT_CHARS checkout-index]} {[LIT_CHARS -f]} {[LIT_CHARS -u]} {[LIT_CHARS --stdin]})
          )
        )
      )
      (If
        (Com {[LIT_CHARS test]} {[LIT_CHARS -x]} {[DQ [VarSub GIT_DIR]] [LIT_CHARS /hooks/post-checkout]})
        (Com {[DQ [VarSub GIT_DIR]] [LIT_CHARS /hooks/post-checkout]} {[VarSub old]} {[VarSub old]} {[LIT_CHARS 0]})
      )
      (Com {[LIT_CHARS exit]} {[VarSub ?]})
    )
    (ElseTrue)
    (If
      (Com {[LIT_CHARS test]} {[SQ ]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[DQ [VarSub new]]})
      (AndOr OP_OR_IF
        (Com {[LIT_CHARS git]} {[LIT_CHARS rev-parse]} {[LIT_CHARS --verify]} {[DQ [VarSub new][LIT_CHARS "^{commit}"]]}
          <
          (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
          (DescriptorRedirectNode target={[LIT_CHARS 1]} <REDIR_GREATAND "2>&"> 2),
          >
        )
        (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "Cannot switch branch to a non-commit."]]})
      )
    )
  )
  (Com {[LIT_CHARS cd_to_toplevel]})
  (AndOr OP_AND_IF
    (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub new]]} {[LIT_OTHER "]"]})
    (AndOr OP_AND_IF
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new', {[VarSub old]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('new_name', {[DQ [VarSub old_name]]})])
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('detached', {[SQ ]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('detach_warn', {[SQ ]})])
  (FunctionDef describe_detached_head []
    (AndOr OP_OR_IF
      (Com {[LIT_CHARS test]} {[LIT_CHARS -n]} {[DQ [VarSub quiet]]})
      (List
        (Com {[LIT_CHARS printf]} {[DQ [VarSub 1][LIT_CHARS " "]]}
          <
          (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
          >
        )
        (Com {[LIT_CHARS git]} {[LIT_CHARS log]} {[LIT_CHARS -1]} {[LIT_CHARS --pretty] [LIT_OTHER "="] [LIT_CHARS oneline]} {[LIT_CHARS --abbrev-commit]} {[DQ [VarSub 2]]} {[LIT_CHARS --]}
          <
          (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
          >

                more_env=[('GIT_PAGER', {[SQ ]})]
        )
      )
    )
  )
  (If
    (AndOr OP_AND_IF
      (Com {[LIT_CHARS test]} {[LIT_CHARS -z]} {[DQ [VarSub branch][VarSub newbranch]]})
      (Com {[LIT_CHARS test]} {[DQ [VarSub new_name]]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[DQ [VarSub old_name]]})
    )
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('detached', {[DQ [VarSub new]]})])
      (If
        (AndOr OP_AND_IF
          (Com {[LIT_CHARS test]} {[LIT_CHARS -n]} {[DQ [VarSub oldbranch]]})
          (Com {[LIT_CHARS test]} {[LIT_CHARS -z]} {[DQ [VarSub quiet]]})
        )
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('detach_warn', {[DQ [LIT_CHARS "Note: moving to "][\ LIT_ESCAPED_CHAR "\\\""][VarSub new_name][\ LIT_ESCAPED_CHAR "\\\""][LIT_CHARS " which isn't a local branch\n"][LIT_CHARS "If you want to create a new branch from this checkout, you may do so\n"][LIT_CHARS "(now or later) by using -b with the checkout command again. Example:\n"][LIT_CHARS "  git checkout -b <new_branch_name>"]]})])
      )
    )
    (AndOr OP_AND_IF
      (Com {[LIT_CHARS test]} {[LIT_CHARS -z]} {[DQ [VarSub oldbranch]]})
      (Com {[LIT_CHARS test]} {[DQ [VarSub new]]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[DQ [VarSub old]]})
    )
    (Com {[LIT_CHARS describe_detached_head]} {[SQ <LIT_CHARS "Previous HEAD position was">]} {[DQ [VarSub old]]})
  )
  (If
    (Com {[LIT_OTHER "["]} {[DQ [LIT_CHARS X][VarSub old]]} {[LIT_OTHER "="]} {[LIT_CHARS X]} {[LIT_OTHER "]"]})
    (List
      (If
        (Com {[LIT_CHARS test]} {[LIT_CHARS -z]} {[DQ [VarSub quiet]]})
        (List
          (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "warning: You appear to be on a branch yet to be born."]]}
            <
            (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
            >
          )
          (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "warning: Forcing checkout of "][VarSub new_name][LIT_CHARS .]]}
            <
            (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
            >
          )
        )
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('force', {[LIT_CHARS 1]})])
    )
  )
  (If
    (Com {[LIT_OTHER "["]} {[DQ [VarSub force]]} {[LIT_OTHER "]"]})
    (Com {[LIT_CHARS git]} {[LIT_CHARS read-tree]} {[VarSub v]} {[LIT_CHARS --reset]} {[LIT_CHARS -u]} {[VarSub new]})
    (ElseTrue)
    (List
      (Com {[LIT_CHARS git]} {[LIT_CHARS update-index]} {[LIT_CHARS --refresh]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
        >
      )
      (AndOr OP_OR_IF
        (Com {[LIT_CHARS git]} {[LIT_CHARS read-tree]} {[VarSub v]} {[LIT_CHARS -m]} {[LIT_CHARS -u]} {[LIT_CHARS --exclude-per-directory] [LIT_OTHER "="] [LIT_CHARS .gitignore]} {[VarSub old]} {[VarSub new]})
        (Subshell
          (List
            (Case to_match={[DQ [VarSub merge][LIT_CHARS ","][VarSub v]]}, pat_word_list=[[{[LIT_COMMA ","] [LIT_OTHER "*"]}], [{[LIT_CHARS 1] [LIT_COMMA ","]}], [{[LIT_OTHER "*"]}]]
              (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
              (ElseTrue)
              (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Falling back to 3-way merge..."]]}
                <
                (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
                >
              )
            )
            (AndOr OP_AND_IF
              (Pipeline
                (Com {[LIT_CHARS git]} {[LIT_CHARS diff-files]} {[LIT_CHARS --name-only]})
                (Com {[LIT_CHARS git]} {[LIT_CHARS update-index]} {[LIT_CHARS --remove]} {[LIT_CHARS --stdin]})
              )
              (AndOr OP_AND_IF
                (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('work', {[ComSub (Com {[LIT_CHARS git]} {[LIT_CHARS write-tree]})]})])
                (AndOr OP_OR_IF
                  (Com {[LIT_CHARS git]} {[LIT_CHARS read-tree]} {[VarSub v]} {[LIT_CHARS --reset]} {[LIT_CHARS -u]} {[VarSub new]})
                  (Com {[LIT_CHARS exit]})
                )
              )
            )
            (AndOr OP_AND_IF
              (Com {[LIT_CHARS eval]} {[LIT_CHARS GITHEAD_] [VarSub new] [LIT_OTHER "="] [SQ <LIT_CHARS "${new_name:-${branch:-$new}}">]})
              (AndOr OP_AND_IF
                (Com {[LIT_CHARS eval]} {[LIT_CHARS GITHEAD_] [VarSub work] [LIT_OTHER "="] [LIT_CHARS local]})
                (AndOr OP_AND_IF
                  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[{[LIT_CHARS GITHEAD_] [VarSub new]}, {[LIT_CHARS GITHEAD_] [VarSub work]}] bindings=[])
                  (Com {[LIT_CHARS git]} {[LIT_CHARS merge-recursive]} {[VarSub old]} {[LIT_CHARS --]} {[VarSub new]} {[VarSub work]})
                )
              )
            )
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('unmerged', {[ComSub (Com {[LIT_CHARS git]} {[LIT_CHARS ls-files]} {[LIT_CHARS -u]})]})])
            (Com {[LIT_CHARS git]} {[LIT_CHARS read-tree]} {[VarSub v]} {[LIT_CHARS --reset]} {[VarSub new]})
            (Case to_match={[DQ [VarSub unmerged]]}, pat_word_list=[[{[SQ ]}], [{[LIT_OTHER "*"]}]]
              (ElseTrue)
              (Pipeline
                (Subshell
                  (List
                    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('z40', {[LIT_CHARS 0000000000000000000000000000000000000000]})])
                    (Pipeline
                      (Com {[LIT_CHARS echo]} {[DQ [VarSub unmerged]]})
                      (Com {[LIT_CHARS sed]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "s/^[0-7]* [0-9a-f]* /">] [DQ [LIT_CHARS "0 "][VarSub z40][LIT_CHARS " /"]]})
                    )
                    (Com {[LIT_CHARS echo]} {[DQ [VarSub unmerged]]})
                  )
                )
                (Com {[LIT_CHARS git]} {[LIT_CHARS update-index]} {[LIT_CHARS --index-info]})
              )
            )
            (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
          )
        )
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('saved_err', {[VarSub ?]})])
      (If
        (AndOr OP_AND_IF
          (Com {[LIT_CHARS test]} {[DQ [VarSub saved_err]]} {[LIT_OTHER "="]} {[LIT_CHARS 0]})
          (Com {[LIT_CHARS test]} {[LIT_CHARS -z]} {[DQ [VarSub quiet]]})
        )
        (Com {[LIT_CHARS git]} {[LIT_CHARS diff-index]} {[LIT_CHARS --name-status]} {[DQ [VarSub new]]})
      )
      (Subshell
        (Com {[LIT_CHARS exit]} {[VarSub saved_err]})
      )
    )
  )
  (If
    (Com {[LIT_OTHER "["]} {[DQ [VarSub ?]]} {[LIT_CHARS -eq]} {[LIT_CHARS 0]} {[LIT_OTHER "]"]})
    (List
      (If
        (Com {[LIT_OTHER "["]} {[DQ [VarSub newbranch]]} {[LIT_OTHER "]"]})
        (List
          (AndOr OP_OR_IF
            (Com {[LIT_CHARS git]} {[LIT_CHARS branch]} {[VarSub track]} {[VarSub newbranch_log]} {[DQ [VarSub newbranch]]} {[DQ [VarSub new_name]]})
            (Com {[LIT_CHARS exit]})
          )
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('branch', {[DQ [VarSub newbranch]]})])
        )
      )
      (If
        (Com {[LIT_CHARS test]} {[LIT_CHARS -n]} {[DQ [VarSub branch]]})
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('old_branch_name', {[ComSub (Com {[LIT_CHARS expr]} {[DQ [LIT_CHARS z][VarSub oldbranch]]} {[LIT_OTHER ":"]} {[SQ <LIT_CHARS "zrefs/heads/\\(.*\\)">]})]})])
          (Com {[LIT_CHARS git]} {[LIT_CHARS symbolic-ref]} {[LIT_CHARS -m]} {[DQ [LIT_CHARS "checkout: moving from "][VarSub old_branch_name test_op=VS_TEST_COLON_HYPHEN {[VarSub old]}][LIT_CHARS " to "][VarSub branch]]} {[LIT_CHARS HEAD]} {[DQ [LIT_CHARS refs/heads/][VarSub branch]]}
                    more_env=[('GIT_DIR', {[DQ [VarSub GIT_DIR]]})]
          )
          (If
            (Com {[LIT_CHARS test]} {[LIT_CHARS -n]} {[DQ [VarSub quiet]]})
            (Com {[LIT_CHARS true]})
            (Com {[LIT_CHARS test]} {[DQ [LIT_CHARS refs/heads/][VarSub branch]]} {[LIT_OTHER "="]} {[DQ [VarSub oldbranch]]})
            (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Already on branch "][\ LIT_ESCAPED_CHAR "\\\""][VarSub branch][\ LIT_ESCAPED_CHAR "\\\""]]}
              <
              (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
              >
            )
            (ElseTrue)
            (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Switched to"][VarSub newbranch test_op=VS_TEST_COLON_PLUS {[LIT_CHARS " a new"]}][LIT_CHARS " branch "][\ LIT_ESCAPED_CHAR "\\\""][VarSub branch][\ LIT_ESCAPED_CHAR "\\\""]]}
              <
              (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
              >
            )
          )
        )
        (Com {[LIT_CHARS test]} {[LIT_CHARS -n]} {[DQ [VarSub detached]]})
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('old_branch_name', {[ComSub (Com {[LIT_CHARS expr]} {[DQ [LIT_CHARS z][VarSub oldbranch]]} {[LIT_OTHER ":"]} {[SQ <LIT_CHARS "zrefs/heads/\\(.*\\)">]})]})])
          (AndOr OP_OR_IF
            (Com {[LIT_CHARS git]} {[LIT_CHARS update-ref]} {[LIT_CHARS --no-deref]} {[LIT_CHARS -m]} {[DQ [LIT_CHARS "checkout: moving from "][VarSub old_branch_name test_op=VS_TEST_COLON_HYPHEN {[VarSub old]}][LIT_CHARS " to "][VarSub arg]]} {[LIT_CHARS HEAD]} {[DQ [VarSub detached]]})
            (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "Cannot detach HEAD"]]})
          )
          (If
            (Com {[LIT_CHARS test]} {[LIT_CHARS -n]} {[DQ [VarSub detach_warn]]})
            (Com {[LIT_CHARS echo]} {[DQ [VarSub detach_warn]]}
              <
              (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
              >
            )
          )
          (Com {[LIT_CHARS describe_detached_head]} {[SQ <LIT_CHARS "HEAD is now at">]} {[LIT_CHARS HEAD]})
        )
      )
      (Com {[LIT_CHARS rm]} {[LIT_CHARS -f]} {[DQ [VarSub GIT_DIR][LIT_CHARS /MERGE_HEAD]]})
    )
    (ElseTrue)
    (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
  )
  (If
    (Com {[LIT_CHARS test]} {[LIT_CHARS -x]} {[DQ [VarSub GIT_DIR]] [LIT_CHARS /hooks/post-checkout]})
    (Com {[DQ [VarSub GIT_DIR]] [LIT_CHARS /hooks/post-checkout]} {[VarSub old]} {[VarSub new]} {[LIT_CHARS 1]})
  )
)