(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'test fetching over git protocol'>)}
          spids: [4]
        )
      ]
    )
    (C {<.>} {<'./test-lib.sh'>})
    (C {<.>} {(DQ ($ Id.VSub_DollarName '$TEST_DIRECTORY')) <'/lib-git-daemon.sh'>})
    (C {<start_git_daemon>})
    (command.ShFunction
      name: check_verbose_connect
      body: 
        (BraceGroup
          children: [
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DAmp]
              children: [
                (C {<grep>} {<-F>} {(DQ <'Looking up 127.0.0.1 ...'>)} {<stderr>})
                (C {<grep>} {<-F>} {(DQ <'Connecting to 127.0.0.1 (port '>)} {<stderr>})
                (C {<grep>} {<-F>} {(DQ <done.>)} {<stderr>})
              ]
            )
          ]
        )
    )
    (C {<test_expect_success>} {(SQ <'setup repository'>)} 
      {
        (SQ <'\n'> <'\tgit config push.default matching &&\n'> <'\techo content >file &&\n'> 
          <'\tgit add file &&\n'> <'\tgit commit -m one\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'create git-accessible bare repository'>)} 
      {
        (SQ <'\n'> <'\tmkdir "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&\n'> 
          <'\t(cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&\n'> <'\t git --bare init &&\n'> <'\t : >git-daemon-export-ok\n'> <'\t) &&\n'> 
          <'\tgit remote add public "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&\n'> <'\tgit push public master:master\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'clone git repository'>)} 
      {
        (SQ <'\n'> <'\tgit clone -v "$GIT_DAEMON_URL/repo.git" clone 2>stderr &&\n'> 
          <'\tcheck_verbose_connect &&\n'> <'\ttest_cmp file clone/file\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'fetch changes via git protocol'>)} 
      {
        (SQ <'\n'> <'\techo content >>file &&\n'> <'\tgit commit -a -m two &&\n'> 
          <'\tgit push public &&\n'> <'\t(cd clone && git pull -v) 2>stderr &&\n'> <'\tcheck_verbose_connect &&\n'> 
          <'\ttest_cmp file clone/file\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'no-op fetch -v stderr is as expected'>)} 
      {(SQ <'\n'> <'\t(cd clone && git fetch -v) 2>stderr &&\n'> <'\tcheck_verbose_connect\n'>)}
    )
    (C {<test_expect_success>} {(SQ <'no-op fetch without "-v" is quiet'>)} 
      {(SQ <'\n'> <'\t(cd clone && git fetch) 2>stderr &&\n'> <'\t! test -s stderr\n'>)}
    )
    (C {<test_expect_success>} {(SQ <'remote detects correct HEAD'>)} 
      {
        (SQ <'\n'> <'\tgit push public master:other &&\n'> <'\t(cd clone &&\n'> 
          <'\t git remote set-head -d origin &&\n'> <'\t git remote set-head -a origin &&\n'> 
          <'\t git symbolic-ref refs/remotes/origin/HEAD > output &&\n'> <'\t echo refs/remotes/origin/master > expect &&\n'> <'\t test_cmp expect output\n'> <'\t)\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'prepare pack objects'>)} 
      {
        (SQ <'\n'> 
          <
'\tcp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git &&\n'
          > <'\t(cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git &&\n'> <'\t git --bare repack -a -d\n'> 
          <'\t)\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'fetch notices corrupt pack'>)} 
      {
        (SQ <'\n'> 
          <
'\tcp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad1.git &&\n'
          > <'\t(cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad1.git &&\n'> 
          <'\t p=$(ls objects/pack/pack-*.pack) &&\n'> <'\t chmod u+w $p &&\n'> <'\t printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc\n'> 
          <'\t) &&\n'> <'\tmkdir repo_bad1.git &&\n'> <'\t(cd repo_bad1.git &&\n'> <'\t git --bare init &&\n'> 
          <'\t test_must_fail git --bare fetch "$GIT_DAEMON_URL/repo_bad1.git" &&\n'> <'\t test 0 = $(ls objects/pack/pack-*.pack | wc -l)\n'> <'\t)\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'fetch notices corrupt idx'>)} 
      {
        (SQ <'\n'> 
          <
'\tcp -R "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_pack.git "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad2.git &&\n'
          > <'\t(cd "$GIT_DAEMON_DOCUMENT_ROOT_PATH"/repo_bad2.git &&\n'> 
          <'\t p=$(ls objects/pack/pack-*.idx) &&\n'> <'\t chmod u+w $p &&\n'> <'\t printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc\n'> 
          <'\t) &&\n'> <'\tmkdir repo_bad2.git &&\n'> <'\t(cd repo_bad2.git &&\n'> <'\t git --bare init &&\n'> 
          <'\t test_must_fail git --bare fetch "$GIT_DAEMON_URL/repo_bad2.git" &&\n'> <'\t test 0 = $(ls objects/pack | wc -l)\n'> <'\t)\n'>
        )
      }
    )
    (command.ShFunction
      name: test_remote_error
      body: 
        (BraceGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:do_export)
                  op: assign_op.Equal
                  rhs: {<YesPlease>}
                  spids: [248]
                )
              ]
            )
            (command.WhileUntil
              keyword: <Id.KW_While while>
              cond: [(C {<test>} {($ Id.VSub_Pound '$#')} {<-gt>} {<0>})]
              body: 
                (command.DoGroup
                  children: [
                    (command.Case
                      to_match: {($ Id.VSub_Number '$1')}
                      arms: [
                        (case_arm
                          pat_list: [{<-x>}]
                          action: [
                            (C {<shift>})
                            (C {<chmod>} {<-x>} 
                              {
                                (DQ ($ Id.VSub_DollarName '$GIT_DAEMON_DOCUMENT_ROOT_PATH') 
                                  <'/repo.git'>
                                )
                              }
                            )
                          ]
                          spids: [273 274 290 -1]
                        )
                        (case_arm
                          pat_list: [{<-n>}]
                          action: [
                            (C {<shift>})
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:do_export)
                                  op: assign_op.Equal
                                  rhs: (word.Empty)
                                  spids: [300]
                                )
                              ]
                            )
                          ]
                          spids: [293 294 303 -1]
                        )
                        (case_arm
                          pat_list: [{<Id.Lit_Star '*'>}]
                          action: [(command.ControlFlow token:<Id.ControlFlow_Break break>)]
                          spids: [306 307 -1 313]
                        )
                      ]
                    )
                  ]
                )
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:msg)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_Number '$1')}
                  spids: [320]
                )
              ]
            )
            (C {<shift>})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:cmd)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_Number '$1')}
                  spids: [327]
                )
              ]
            )
            (C {<shift>})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:repo)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_Number '$1')}
                  spids: [334]
                )
              ]
            )
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [(C {<shift>}) (C {<error>} {(DQ <'invalid number of arguments'>)})]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (C {<test>} {<-x>} 
                      {
                        (DQ ($ Id.VSub_DollarName '$GIT_DAEMON_DOCUMENT_ROOT_PATH') <'/'> 
                          ($ Id.VSub_DollarName '$repo')
                        )
                      }
                    )
                  ]
                  action: [
                    (command.If
                      arms: [
                        (if_arm
                          cond: [(C {<test>} {<-n>} {(DQ ($ Id.VSub_DollarName '$do_export'))})]
                          action: [
                            (command.Simple
                              words: [{<Id.Lit_Colon ':'>}]
                              redirects: [
                                (redir
                                  op: <Id.Redir_Great '>'>
                                  loc: (redir_loc.Fd fd:1)
                                  arg: 
                                    {
                                      (DQ ($ Id.VSub_DollarName '$GIT_DAEMON_DOCUMENT_ROOT_PATH') 
                                        <'/'> ($ Id.VSub_DollarName '$repo') <'/git-daemon-export-ok'>
                                      )
                                    }
                                )
                              ]
                              do_fork: T
                            )
                          ]
                          spids: [366 377]
                        )
                      ]
                      else_action: [
                        (C {<rm>} {<-f>} 
                          {
                            (DQ ($ Id.VSub_DollarName '$GIT_DAEMON_DOCUMENT_ROOT_PATH') <'/'> 
                              ($ Id.VSub_DollarName '$repo') <'/git-daemon-export-ok'>
                            )
                          }
                        )
                      ]
                    )
                  ]
                  spids: [350 363]
                )
              ]
            )
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DAmp]
              children: [
                (command.Simple
                  words: [
                    {<test_must_fail>}
                    {<git>}
                    {(DQ ($ Id.VSub_DollarName '$cmd'))}
                    {
                      (DQ ($ Id.VSub_DollarName '$GIT_DAEMON_URL') <'/'> ($ Id.VSub_DollarName '$repo'))
                    }
                    {(DQ ($ Id.VSub_At '$@'))}
                  ]
                  redirects: [(redir op:<Id.Redir_Great '2>'> loc:(redir_loc.Fd fd:2) arg:{<output>})]
                  do_fork: T
                )
                (C {<test_i18ngrep>} 
                  {
                    (DQ <'fatal: remote error: '> ($ Id.VSub_DollarName '$msg') <': /'> 
                      ($ Id.VSub_DollarName '$repo')
                    )
                  } {<output>}
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:ret)
                      op: assign_op.Equal
                      rhs: {($ Id.VSub_QMark '$?')}
                      spids: [451]
                    )
                  ]
                )
              ]
            )
            (C {<chmod>} {<Id.Lit_Other '+'> <x>} 
              {(DQ ($ Id.VSub_DollarName '$GIT_DAEMON_DOCUMENT_ROOT_PATH') <'/repo.git'>)}
            )
            (command.Subshell
              child: 
                (command.ControlFlow
                  token: <Id.ControlFlow_Exit exit>
                  arg_word: {($ Id.VSub_DollarName '$ret')}
                )
            )
          ]
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:msg)
          op: assign_op.Equal
          rhs: {(DQ <'access denied or repository not exported'>)}
          spids: [475]
        )
      ]
    )
    (C {<test_expect_success>} {(SQ <'clone non-existent'>)} 
      {(DQ <'test_remote_error    \''> ($ Id.VSub_DollarName '$msg') <'\' clone nowhere.git    '>)}
    )
    (C {<test_expect_success>} {(SQ <'push disabled'>)} 
      {(DQ <'test_remote_error    \''> ($ Id.VSub_DollarName '$msg') <'\' push  repo.git master'>)}
    )
    (C {<test_expect_success>} {(SQ <'read access denied'>)} 
      {(DQ <'test_remote_error -x \''> ($ Id.VSub_DollarName '$msg') <'\' fetch repo.git       '>)}
    )
    (C {<test_expect_success>} {(SQ <'not exported'>)} 
      {(DQ <'test_remote_error -n \''> ($ Id.VSub_DollarName '$msg') <'\' fetch repo.git       '>)}
    )
    (C {<stop_git_daemon>})
    (C {<start_git_daemon>} {<--informative-errors>})
    (C {<test_expect_success>} {(SQ <'clone non-existent'>)} 
      {(DQ <'test_remote_error    \'no such repository\'      clone nowhere.git    '>)}
    )
    (C {<test_expect_success>} {(SQ <'push disabled'>)} 
      {(DQ <'test_remote_error    \'service not enabled\'     push  repo.git master'>)}
    )
    (C {<test_expect_success>} {(SQ <'read access denied'>)} 
      {(DQ <'test_remote_error -x \'no such repository\'      fetch repo.git       '>)}
    )
    (C {<test_expect_success>} {(SQ <'not exported'>)} 
      {(DQ <'test_remote_error -n \'repository not exported\' fetch repo.git       '>)}
    )
    (C {<stop_git_daemon>})
    (C {<start_git_daemon>} 
      {<--interpolated-path> <Id.Lit_Equals '='> 
        (DQ ($ Id.VSub_DollarName '$GIT_DAEMON_DOCUMENT_ROOT_PATH') <'/%H%D'>)
      }
    )
    (C {<test_expect_success>} {(SQ <'access repo via interpolated hostname'>)} 
      {
        (SQ <'\n'> <'\trepo="$GIT_DAEMON_DOCUMENT_ROOT_PATH/localhost/interp.git" &&\n'> 
          <'\tgit init --bare "$repo" &&\n'> <'\tgit push "$repo" HEAD &&\n'> <'\t>"$repo"/git-daemon-export-ok &&\n'> <'\trm -rf tmp.git &&\n'> 
          <'\tGIT_OVERRIDE_VIRTUAL_HOST=localhost \\\n'> <'\t\tgit clone --bare "$GIT_DAEMON_URL/interp.git" tmp.git &&\n'> <'\trm -rf tmp.git &&\n'> 
          <'\tGIT_OVERRIDE_VIRTUAL_HOST=LOCALHOST \\\n'> <'\t\tgit clone --bare "$GIT_DAEMON_URL/interp.git" tmp.git\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'hostname cannot break out of directory'>)} 
      {
        (SQ <'\n'> <'\trm -rf tmp.git &&\n'> 
          <'\trepo="$GIT_DAEMON_DOCUMENT_ROOT_PATH/../escape.git" &&\n'> <'\tgit init --bare "$repo" &&\n'> <'\tgit push "$repo" HEAD &&\n'> 
          <'\t>"$repo"/git-daemon-export-ok &&\n'> <'\ttest_must_fail \\\n'> <'\t\tenv GIT_OVERRIDE_VIRTUAL_HOST=.. \\\n'> 
          <'\t\tgit clone --bare "$GIT_DAEMON_URL/escape.git" tmp.git\n'>
        )
      }
    )
    (C {<stop_git_daemon>})
    (C {<test_done>})
  ]
)