(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'Test git update-ref error handling'>)}
          spids: [4]
        )
      ]
    )
    (C {<.>} {<'./test-lib.sh'>})
    (command.ShFunction
      name: test_update_rejected
      body: 
        (BraceGroup
          children: [
            (command.AndOr
              ops: [
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
              ]
              children: [
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:before)
                      op: assign_op.Equal
                      rhs: {(DQ ($ Id.VSub_Number '$1'))}
                      spids: [52]
                    )
                  ]
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:pack)
                      op: assign_op.Equal
                      rhs: {(DQ ($ Id.VSub_Number '$2'))}
                      spids: [60]
                    )
                  ]
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:create)
                      op: assign_op.Equal
                      rhs: {(DQ ($ Id.VSub_Number '$3'))}
                      spids: [68]
                    )
                  ]
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:error)
                      op: assign_op.Equal
                      rhs: {(DQ ($ Id.VSub_Number '$4'))}
                      spids: [76]
                    )
                  ]
                )
                (command.Pipeline
                  children: [
                    (C {<printf>} 
                      {
                        (DQ <'create '> ($ Id.VSub_DollarName '$prefix') <'/%s '> 
                          ($ Id.VSub_DollarName '$C') <Id.Lit_BadBackslash '\\'> <n>
                        )
                      } {($ Id.VSub_DollarName '$before')}
                    )
                    (C {<git>} {<update-ref>} {<--stdin>})
                  ]
                  negated: F
                )
                (command.Simple
                  words: [{<git>} {<for-each-ref>} {($ Id.VSub_DollarName '$prefix')}]
                  redirects: [(redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<unchanged>})]
                  do_fork: T
                )
                (command.If
                  arms: [
                    (if_arm
                      cond: (condition.Shell commands:[(C {($ Id.VSub_DollarName '$pack')})])
                      action: [(C {<git>} {<pack-refs>} {<--all>})]
                      spids: [121 126]
                    )
                  ]
                )
                (command.Simple
                  words: [
                    {<printf>}
                    {
                      (DQ <'create '> ($ Id.VSub_DollarName '$prefix') <'/%s '> 
                        ($ Id.VSub_DollarName '$C') <Id.Lit_BadBackslash '\\'> <n>
                      )
                    }
                    {($ Id.VSub_DollarName '$create')}
                  ]
                  redirects: [(redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<input>})]
                  do_fork: T
                )
                (command.Simple
                  words: [{<test_must_fail>} {<git>} {<update-ref>} {<--stdin>}]
                  redirects: [
                    (redir
                      op: <Id.Redir_Less '<'>
                      loc: (redir_loc.Fd fd:0)
                      arg: {<input>}
                    )
                    (redir
                      op: <Id.Redir_Great '2>'>
                      loc: (redir_loc.Fd fd:2)
                      arg: {<output.err>}
                    )
                  ]
                  do_fork: T
                )
                (C {<grep>} {<-F>} {(DQ ($ Id.VSub_DollarName '$error'))} {<output.err>})
                (command.Simple
                  words: [{<git>} {<for-each-ref>} {($ Id.VSub_DollarName '$prefix')}]
                  redirects: [(redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<actual>})]
                  do_fork: T
                )
                (C {<test_cmp>} {<unchanged>} {<actual>})
              ]
            )
          ]
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:Q)
          op: assign_op.Equal
          rhs: {(DQ <'\''>)}
          spids: [211]
        )
      ]
    )
    (C {<test_expect_success>} {(SQ <setup>)} 
      {
        (SQ <'\n'> <'\n'> <'\tgit commit --allow-empty -m Initial &&\n'> 
          <'\tC=$(git rev-parse HEAD) &&\n'> <'\tgit commit --allow-empty -m Second &&\n'> <'\tD=$(git rev-parse HEAD) &&\n'> 
          <'\tgit commit --allow-empty -m Third &&\n'> <'\tE=$(git rev-parse HEAD)\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'existing loose ref is a simple prefix of new'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/1l &&\n'> 
          <'\ttest_update_rejected "a c e" false "b c/x d" \\\n'> <'\t\t"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'existing packed ref is a simple prefix of new'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/1p &&\n'> 
          <'\ttest_update_rejected "a c e" true "b c/x d" \\\n'> <'\t\t"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'existing loose ref is a deeper prefix of new'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/2l &&\n'> 
          <'\ttest_update_rejected "a c e" false "b c/x/y d" \\\n'> <'\t\t"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'existing packed ref is a deeper prefix of new'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/2p &&\n'> 
          <'\ttest_update_rejected "a c e" true "b c/x/y d" \\\n'> <'\t\t"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'new ref is a simple prefix of existing loose'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/3l &&\n'> 
          <'\ttest_update_rejected "a c/x e" false "b c d" \\\n'> <'\t\t"$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'new ref is a simple prefix of existing packed'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/3p &&\n'> 
          <'\ttest_update_rejected "a c/x e" true "b c d" \\\n'> <'\t\t"$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'new ref is a deeper prefix of existing loose'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/4l &&\n'> 
          <'\ttest_update_rejected "a c/x/y e" false "b c d" \\\n'> <'\t\t"$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'new ref is a deeper prefix of existing packed'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/4p &&\n'> 
          <'\ttest_update_rejected "a c/x/y e" true "b c d" \\\n'> <'\t\t"$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'one new ref is a simple prefix of another'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprefix=refs/5 &&\n'> 
          <'\ttest_update_rejected "a e" false "b c c/x d" \\\n'> <'\t\t"cannot process $Q$prefix/c$Q and $Q$prefix/c/x$Q at the same time"\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool rev-parse'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-rev-parse &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tgit pack-refs --all &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> <'\techo "$C" >expected &&\n'> 
          <'\tgit rev-parse $prefix/foo >actual &&\n'> <'\ttest_cmp expected actual\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool for-each-ref'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-for-each-ref &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tgit for-each-ref $prefix >expected &&\n'> <'\tgit pack-refs --all &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> 
          <'\tgit for-each-ref $prefix >actual &&\n'> <'\ttest_cmp expected actual\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-create &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> 
          <'\tprintf "create %s $C\\n" $prefix/foo |\n'> <'\tgit update-ref --stdin\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool verify'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-verify &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tgit pack-refs --all &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> <'\tprintf "verify %s $C\\n" $prefix/foo |\n'> 
          <'\tgit update-ref --stdin\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool 1-arg update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-update-1 &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tgit pack-refs --all &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> <'\tprintf "update %s $D\\n" $prefix/foo |\n'> 
          <'\tgit update-ref --stdin\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool 2-arg update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-update-2 &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tgit pack-refs --all &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> <'\tprintf "update %s $D $C\\n" $prefix/foo |\n'> 
          <'\tgit update-ref --stdin\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool 0-arg delete'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-delete-0 &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tgit pack-refs --all &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> <'\tprintf "delete %s\\n" $prefix/foo |\n'> 
          <'\tgit update-ref --stdin\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'empty directory should not fool 1-arg delete'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/e-delete-1 &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tgit pack-refs --all &&\n'> <'\tmkdir -p .git/$prefix/foo/bar/baz &&\n'> <'\tprintf "delete %s $C\\n" $prefix/foo |\n'> 
          <'\tgit update-ref --stdin\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'missing old value blocks update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/missing-update &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/foo $E $D" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'incorrect old value blocks update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/incorrect-update &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tcat >expected <<-EOF &&\n'> <'\tfatal: cannot lock ref $Q$prefix/foo$Q: is at $C but expected $D\n'> <'\tEOF\n'> 
          <'\tprintf "%s\\n" "update $prefix/foo $E $D" |\n'> <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'existing old value blocks create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/existing-create &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tcat >expected <<-EOF &&\n'> <'\tfatal: cannot lock ref $Q$prefix/foo$Q: reference already exists\n'> <'\tEOF\n'> 
          <'\tprintf "%s\\n" "create $prefix/foo $E" |\n'> <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'incorrect old value blocks delete'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/incorrect-delete &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> 
          <'\tcat >expected <<-EOF &&\n'> <'\tfatal: cannot lock ref $Q$prefix/foo$Q: is at $C but expected $D\n'> <'\tEOF\n'> 
          <'\tprintf "%s\\n" "delete $prefix/foo $D" |\n'> <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'missing old value blocks indirect update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/missing-indirect-update &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/symref $E $D" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'incorrect old value blocks indirect update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/incorrect-indirect-update &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <'\tfatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D\n'> <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/symref $E $D" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'existing old value blocks indirect create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/existing-indirect-create &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <'\tfatal: cannot lock ref $Q$prefix/symref$Q: reference already exists\n'> <'\tEOF\n'> <'\tprintf "%s\\n" "create $prefix/symref $E" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'incorrect old value blocks indirect delete'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/incorrect-indirect-delete &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <'\tfatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D\n'> <'\tEOF\n'> <'\tprintf "%s\\n" "delete $prefix/symref $D" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'missing old value blocks indirect no-deref update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/missing-noderef-update &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <'\tfatal: cannot lock ref $Q$prefix/symref$Q: reference is missing but expected $D\n'> <'\tEOF\n'> <'\tprintf "%s\\n" "option no-deref" "update $prefix/symref $E $D" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'incorrect old value blocks indirect no-deref update'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/incorrect-noderef-update &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <'\tfatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D\n'> <'\tEOF\n'> <'\tprintf "%s\\n" "option no-deref" "update $prefix/symref $E $D" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'existing old value blocks indirect no-deref create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/existing-noderef-create &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <'\tfatal: cannot lock ref $Q$prefix/symref$Q: reference already exists\n'> <'\tEOF\n'> <'\tprintf "%s\\n" "option no-deref" "create $prefix/symref $E" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'incorrect old value blocks indirect no-deref delete'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/incorrect-noderef-delete &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tgit update-ref $prefix/foo $C &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <'\tfatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D\n'> <'\tEOF\n'> <'\tprintf "%s\\n" "option no-deref" "delete $prefix/symref $D" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'non-empty directory blocks create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/ne-create &&\n'> <'\tmkdir -p .git/$prefix/foo/bar &&\n'> 
          <'\t: >.git/$prefix/foo/bar/baz.lock &&\n'> <'\ttest_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/foo$Q: there is a non-empty directory $Q.git/$prefix/foo$Q blocking reference $Q$prefix/foo$Q\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/foo $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/foo $D $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'broken reference blocks create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/broken-create &&\n'> <'\tmkdir -p .git/$prefix &&\n'> 
          <'\techo "gobbledigook" >.git/$prefix/foo &&\n'> <'\ttest_when_finished "rm -f .git/$prefix/foo" &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/foo $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/foo $D $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'non-empty directory blocks indirect create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/ne-indirect-create &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\tmkdir -p .git/$prefix/foo/bar &&\n'> <'\t: >.git/$prefix/foo/bar/baz.lock &&\n'> 
          <'\ttest_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/symref$Q: there is a non-empty directory $Q.git/$prefix/foo$Q blocking reference $Q$prefix/foo$Q\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/symref $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/symref $D $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'broken reference blocks indirect create'>)} 
      {
        (SQ <'\n'> <'\tprefix=refs/broken-indirect-create &&\n'> 
          <'\tgit symbolic-ref $prefix/symref $prefix/foo &&\n'> <'\techo "gobbledigook" >.git/$prefix/foo &&\n'> 
          <'\ttest_when_finished "rm -f .git/$prefix/foo" &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/symref $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err &&\n'> <'\tcat >expected <<-EOF &&\n'> 
          <
'\tfatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken\n'
          > <'\tEOF\n'> <'\tprintf "%s\\n" "update $prefix/symref $D $C" |\n'> 
          <'\ttest_must_fail git update-ref --stdin 2>output.err &&\n'> <'\ttest_cmp expected output.err\n'>
        )
      }
    )
    (C {<test_done>})
  ]
)