(CommandList
  children: [
    (C {(set)} {(-o)} {(errexit)})
    (C {(cd)} 
      {
        (DQ 
          (CommandSubPart
            command_list: (CommandList children:[(C {(dirname)} {(DQ ($ VSub_Number '$0'))})])
            left_token: <Left_CommandSub '$('>
            spids: [70 76]
          )
        )
      }
    )
    (C {(Lit_Other ':')} 
      {
        (BracedVarSub
          token: <VSub_Name VERBOSE>
          suffix_op: (StringUnary op_id:VTest_ColonEquals arg_word:{(no)})
          spids: [91 95]
        )
      }
    )
    (C {(source)} {(scripts/bootstrap/buildenv.sh)})
    (FuncDef
      name: usage
      body: 
        (BraceGroup
          children: [
            (AndOr
              ops: [Op_DAmp]
              children: [
                (C {(Lit_Other '[')} {(-n)} 
                  {
                    (DQ 
                      (BracedVarSub
                        token: <VSub_Number 1>
                        suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(compile)})
                        spids: [117 121]
                      )
                    )
                  } {(Lit_Other ']')}
                )
                (SimpleCommand
                  words: [{(echo)} {(DQ ('Invalid command(s): ') ($ VSub_Number '$1'))}]
                  redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[135])]
                )
              ]
            )
            (SimpleCommand
              words: [
                {(echo)}
                {
                  (DQ ('syntax: ') ($ VSub_Number '$0') 
                    (' [command[,command]* [BAZEL_BIN [BAZEL_SUM]]]')
                  )
                }
              ]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[147])]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('  General purpose commands:'))}]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[157])]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('     compile       = compile the bazel binary (default)'))}]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[167])]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('  Commands for developers:'))}]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[177])]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('     all         = compile,determinism,test'))}]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[187])]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('     determinism = test for stability of Bazel builds'))}]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[197])]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('     srcs        = test that //:srcs contains all the sources'))}]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[207])]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('     test        = run the full test suite of Bazel'))}]
              redirects: [(Redir op_id:Redir_GreatAnd fd:16777215 arg_word:{(2)} spids:[217])]
            )
            (ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
          spids: [109]
        )
      spids: [103 108]
    )
    (FuncDef
      name: parse_options
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_Local
              pairs: [
                (assign_pair
                  lhs: (LhsName name:keywords)
                  op: Equal
                  rhs: {(DQ ('(compile|all|determinism|bootstrap|srcs|test)'))}
                  spids: [239]
                )
              ]
              spids: [237]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:COMMANDS)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (BracedVarSub
                          token: <VSub_Number 1>
                          suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(compile)})
                          spids: [247 251]
                        )
                      )
                    }
                  spids: [245]
                )
              ]
              spids: [245]
            )
            (AndOr
              ops: [Op_DPipe]
              children: [
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_EqualTilde
                      left: {(DQ (${ VSub_Name COMMANDS))}
                      right: 
                        {(Lit_Other '^') ($ VSub_Name '$keywords') ('(') (Lit_Comma ',') 
                          ($ VSub_Name '$keywords') (')') (Lit_Other '*') (Lit_Other '$')
                        }
                    )
                )
                (C {(usage)} {(DQ ($ VSub_At '$@'))})
              ]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:DO_COMPILE)
                  op: Equal
                  rhs: {(EmptyPart)}
                  spids: [285]
                )
              ]
              spids: [285]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:DO_CHECKSUM)
                  op: Equal
                  rhs: {(EmptyPart)}
                  spids: [288]
                )
              ]
              spids: [288]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:DO_FULL_CHECKSUM)
                  op: Equal
                  rhs: {(1)}
                  spids: [291]
                )
              ]
              spids: [291]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:DO_TESTS)
                  op: Equal
                  rhs: {(EmptyPart)}
                  spids: [295]
                )
              ]
              spids: [295]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:DO_SRCS_TEST)
                  op: Equal
                  rhs: {(EmptyPart)}
                  spids: [298]
                )
              ]
              spids: [298]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_EqualTilde
                      left: {(DQ (${ VSub_Name COMMANDS))}
                      right: {('(') (compile) ('|') (all) (')')}
                    )
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [(assign_pair lhs:(LhsName name:DO_COMPILE) op:Equal rhs:{(1)} spids:[321])]
                  spids: [321]
                )
              ]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_EqualTilde
                      left: {(DQ (${ VSub_Name COMMANDS))}
                      right: {('(') (bootstrap) ('|') (determinism) ('|') (all) (')')}
                    )
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [(assign_pair lhs:(LhsName name:DO_CHECKSUM) op:Equal rhs:{(1)} spids:[347])]
                  spids: [347]
                )
              ]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_EqualTilde
                      left: {(DQ (${ VSub_Name COMMANDS))}
                      right: {('(') (bootstrap) (')')}
                    )
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:DO_FULL_CHECKSUM)
                      op: Equal
                      rhs: {(EmptyPart)}
                      spids: [369]
                    )
                  ]
                  spids: [369]
                )
              ]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_EqualTilde
                      left: {(DQ (${ VSub_Name COMMANDS))}
                      right: {('(') (srcs) ('|') (all) (')')}
                    )
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:DO_SRCS_TEST)
                      op: Equal
                      rhs: {(1)}
                      spids: [392]
                    )
                  ]
                  spids: [392]
                )
              ]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_EqualTilde
                      left: {(DQ (${ VSub_Name COMMANDS))}
                      right: {('(') (test) ('|') (all) (')')}
                    )
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [(assign_pair lhs:(LhsName name:DO_TESTS) op:Equal rhs:{(1)} spids:[416])]
                  spids: [416]
                )
              ]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:BAZEL_BIN)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Number 2>
                        suffix_op: 
                          (StringUnary
                            op_id: VTest_ColonHyphen
                            arg_word: {(DQ (bazel-bin/src/bazel))}
                          )
                        spids: [422 428]
                      )
                    }
                  spids: [421]
                )
              ]
              spids: [421]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:BAZEL_SUM)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Number 3>
                        suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(DQ (x))})
                        spids: [432 438]
                      )
                    }
                  spids: [431]
                )
              ]
              spids: [431]
            )
          ]
          spids: [234]
        )
      spids: [228 233]
    )
    (C {(parse_options)} {(DQ (${ VSub_At '@'))})
    (C {(mkdir)} {(-p)} {(output)})
    (C {(Lit_Other ':')} 
      {
        (BracedVarSub
          token: <VSub_Name BAZEL>
          suffix_op: 
            (StringUnary
              op_id: VTest_ColonEquals
              arg_word: 
                {
                  (BracedVarSub
                    token: <VSub_Number 2>
                    suffix_op: (StringUnary op_id:VTest_Hyphen arg_word:{})
                    spids: [463 466]
                  )
                }
            )
          spids: [460 467]
        )
      }
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (C {(Lit_Other '[')} {(KW_Bang '!')} {(-x)} {(DQ (${ VSub_Name BAZEL))} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (C {(display)} 
              {
                (DQ ($ VSub_Name '$INFO') 
                  (
' You can skip this first step by providing a path to the bazel binary as second argument:'
                  )
                )
              }
            )
            (C {(display)} 
              {
                (DQ ($ VSub_Name '$INFO') ('    ') ($ VSub_Number '$0') (' ') (${ VSub_Name COMMANDS) 
                  (' /path/to/bazel')
                )
              }
            )
            (C {(new_step)} {(SQ <'Building Bazel from scratch'>)})
            (C {(source)} {(scripts/bootstrap/compile.sh)})
            (Assignment
              keyword: Assign_None
              pairs: [(assign_pair lhs:(LhsName name:DO_COMPILE) op:Equal rhs:{(1)} spids:[537])]
              spids: [537]
            )
          ]
          spids: [16777215 496]
        )
      ]
      spids: [16777215 540]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (C {(Lit_Other '[')} 
                  {
                    (DQ 
                      (BracedVarSub
                        token: <VSub_Name EMBED_LABEL>
                        suffix_op: (StringUnary op_id:VTest_Hyphen arg_word:{(x)})
                        spids: [557 561]
                      )
                    )
                  } {(Lit_Other '=')} {(DQ (x))} {(Lit_Other ']')}
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:git_sha1)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: (CommandList children:[(C {(git_sha1)})])
                        left_token: <Left_CommandSub '$('>
                        spids: [581 583]
                      )
                    }
                  spids: [580]
                )
              ]
              spids: [580]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:EMBED_LABEL)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (CommandSubPart
                          command_list: (CommandList children:[(C {(get_last_version)})])
                          left_token: <Left_CommandSub '$('>
                          spids: [588 590]
                        ) (' (@') 
                        (BracedVarSub
                          token: <VSub_Name git_sha1>
                          suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(non-git)})
                          spids: [592 596]
                        ) (')')
                      )
                    }
                  spids: [586]
                )
              ]
              spids: [586]
            )
          ]
          spids: [16777215 573]
        )
      ]
      spids: [16777215 600]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (AndOr
                  ops: [Op_DAmp]
                  children: [
                    (DBracket
                      expr: 
                        (BoolBinary
                          op_id: BoolBinary_GlobDEqual
                          left: {($ VSub_Name '$PLATFORM')}
                          right: {(DQ (darwin))}
                        )
                    )
                    (Pipeline
                      children: [
                        (SimpleCommand
                          words: [{(xcodebuild)} {(-showsdks)}]
                          redirects: [
                            (Redir
                              op_id: Redir_Great
                              fd: 2
                              arg_word: {(/dev/null)}
                              spids: [625]
                            )
                          ]
                        )
                        (C {(grep)} {(-q)} {(SQ <'\\-sdk iphonesimulator'>)})
                      ]
                      negated: F
                    )
                  ]
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:EXTRA_BAZEL_ARGS)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (BracedVarSub
                          token: <VSub_Name EXTRA_BAZEL_ARGS>
                          suffix_op: (StringUnary op_id:VTest_Hyphen arg_word:{(EmptyPart)})
                          spids: [645 648]
                        ) (' --define IPHONE_SDK=1')
                      )
                    }
                  spids: [643]
                )
              ]
              spids: [643]
            )
          ]
          spids: [16777215 640]
        )
      ]
      spids: [16777215 652]
    )
    (C {(source)} {(scripts/bootstrap/bootstrap.sh)})
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (C {(Lit_Other '[')} {($ VSub_Name '$DO_COMPILE')} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (C {(new_step)} {(SQ <'Building Bazel with Bazel'>)})
            (C {(display)} {(DQ (.))})
            (C {(log)} {(DQ ('Building output/bazel'))})
            (AndOr
              ops: [Op_DPipe]
              children: [
                (C {(bazel_build)} {(DQ ('src:bazel') (${ VSub_Name EXE_EXT))})
                (C {(fail)} {(DQ ('Could not build Bazel'))})
              ]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:bazel_bin_path)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (CommandSubPart
                          command_list: (CommandList children:[(C {(get_bazel_bin_path)})])
                          left_token: <Left_CommandSub '$('>
                          spids: [714 716]
                        ) (/src/bazel) (${ VSub_Name EXE_EXT)
                      )
                    }
                  spids: [712]
                )
              ]
              spids: [712]
            )
            (AndOr
              ops: [Op_DPipe]
              children: [
                (C {(Lit_Other '[')} {(-e)} {(DQ ($ VSub_Name '$bazel_bin_path'))} {(Lit_Other ']')})
                (C {(fail)} 
                  {
                    (DQ ("Could not find freshly built Bazel binary at '") 
                      ($ VSub_Name '$bazel_bin_path') ("'")
                    )
                  }
                )
              ]
            )
            (AndOr
              ops: [Op_DPipe]
              children: [
                (C {(cp)} {(-f)} {(DQ ($ VSub_Name '$bazel_bin_path'))} 
                  {(DQ (output/bazel) (${ VSub_Name EXE_EXT))}
                )
                (C {(fail)} 
                  {
                    (DQ ("Could not copy '") ($ VSub_Name '$bazel_bin_path') ("' to 'output/bazel") 
                      (${ VSub_Name EXE_EXT) ("'")
                    )
                  }
                )
              ]
            )
            (C {(chmod)} {(0755)} {(DQ (output/bazel) (${ VSub_Name EXE_EXT))})
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:BAZEL)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (CommandSubPart
                          command_list: (CommandList children:[(C {(pwd)})])
                          left_token: <Left_CommandSub '$('>
                          spids: [793 795]
                        ) (/output/bazel) (${ VSub_Name EXE_EXT)
                      )
                    }
                  spids: [791]
                )
              ]
              spids: [791]
            )
          ]
          spids: [16777215 668]
        )
      ]
      spids: [16777215 802]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (C {(Lit_Other '[')} {($ VSub_Name '$DO_CHECKSUM')} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (C {(new_step)} {(DQ ('Determinism test'))})
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other '[')} {(KW_Bang '!')} {(-f)} 
                          {
                            (BracedVarSub
                              token: <VSub_Name BAZEL_SUM>
                              suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(x)})
                              spids: [844 848]
                            )
                          } {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:BAZEL_SUM)
                          op: Equal
                          rhs: {(bazel-out/bazel_checksum)}
                          spids: [856]
                        )
                      ]
                      spids: [856]
                    )
                    (C {(log)} {(DQ ('First build'))})
                    (C {(bootstrap_test)} {(${ VSub_Name BAZEL)} {(${ VSub_Name BAZEL_SUM)})
                  ]
                  spids: [16777215 853]
                )
              ]
              else_action: [
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:BOOTSTRAP)
                      op: Equal
                      rhs: {(${ VSub_Name BAZEL)}
                      spids: [881]
                    )
                  ]
                  spids: [881]
                )
              ]
              spids: [878 887]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other '[')} {(DQ (${ VSub_Name BAZEL_SUM))} 
                          {(KW_Bang '!') (Lit_Other '=')} {(DQ (${ VSub_Name OUTPUT_DIR) (/bazel_checksum))} {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(cp)} {(${ VSub_Name BAZEL_SUM)} {(${ VSub_Name OUTPUT_DIR) (/bazel_checksum)})
                  ]
                  spids: [16777215 913]
                )
              ]
              spids: [16777215 928]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other '[')} {($ VSub_Name '$DO_FULL_CHECKSUM')} {(Lit_Other ']')})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(log)} {(DQ ('Second build'))})
                    (C {(bootstrap_test)} {(${ VSub_Name BOOTSTRAP)} {(bazel-out/bazel_checksum)})
                    (C {(log)} {(DQ ('Comparing output'))})
                    (AndOr
                      ops: [Op_DPipe]
                      children: [
                        (Subshell
                          child: 
                            (SimpleCommand
                              words: [
                                {(diff)}
                                {(-U)}
                                {(0)}
                                {(${ VSub_Name OUTPUT_DIR) (/bazel_checksum)}
                                {(bazel-out/bazel_checksum)}
                              ]
                              redirects: [
                                (Redir
                                  op_id: Redir_GreatAnd
                                  fd: 16777215
                                  arg_word: {(2)}
                                  spids: [980]
                                )
                              ]
                            )
                          spids: [966 982]
                        )
                        (C {(fail)} {(DQ ('Differences detected in outputs!'))})
                      ]
                    )
                  ]
                  spids: [16777215 940]
                )
              ]
              spids: [16777215 995]
            )
          ]
          spids: [16777215 826]
        )
      ]
      spids: [16777215 997]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (C {(Lit_Other '[')} {($ VSub_Name '$DO_SRCS_TEST')} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (C {(new_step)} {(DQ ('Checking that //:srcs contains all the sources'))})
            (C {(log)} {(DQ ('Querying //:srcs'))})
            (Pipeline
              children: [
                (SimpleCommand
                  words: [{(${ VSub_Name BAZEL)} {(query)} {(SQ <'kind("source file", deps(//:srcs))'>)}]
                  redirects: [(Redir op_id:Redir_Great fd:2 arg_word:{(/dev/null)} spids:[1045])]
                )
                (C {(grep)} {(-v)} {(SQ <'^@'>)})
                (C {(sed)} {(-e)} {(SQ <'s|^//||'>)})
                (C {(sed)} {(SQ <'s|^:||'>)})
                (C {(sed)} {(SQ <'s|:|/|'>)})
                (SimpleCommand
                  words: [{(sort)} {(-u)}]
                  redirects: [
                    (Redir
                      op_id: Redir_Great
                      fd: 16777215
                      arg_word: {(DQ (${ VSub_Name OUTPUT_DIR) (/srcs-query))}
                      spids: [1096]
                    )
                  ]
                )
              ]
              negated: F
            )
            (C {(log)} {(DQ ('Finding all files'))})
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:SRCS_EXCLUDES)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Name SRCS_EXCLUDES>
                        suffix_op: 
                          (StringUnary
                            op_id: VTest_Hyphen
                            arg_word: {(XXXXXXXXXXXXXX1268778dfsdf4)}
                          )
                        spids: [1122 1126]
                      )
                    }
                  spids: [1121]
                )
              ]
              spids: [1121]
            )
            (Pipeline
              children: [
                (C {(find)} {(.)} {(-type)} {(f)})
                (C {(sed)} {(SQ <'s|./||'>)})
                (C {(grep)} {(-v)} {(SQ <'^bazel-'>)})
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