(command.CommandList
  children: [
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'errors in upload-pack'>)}
        )
      ]
    )
    (C {(.)} {(./test-lib.sh)})
    (command.Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:D)
          op: Equal
          rhs: 
            {
              (word_part.CommandSubPart
                command_list: (command.CommandList children:[(C {(pwd)})])
                left_token: <Left_CommandSub '$('>
              )
            }
        )
      ]
    )
    (command.FuncDef
      name: corrupt_repo
      body: 
        (command.BraceGroup
          children: [
            (command.AndOr
              ops: [Op_DAmp Op_DAmp Op_DAmp]
              children: [
                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:object_sha1)
                      op: Equal
                      rhs: 
                        {
                          (word_part.CommandSubPart
                            command_list: 
                              (command.CommandList
                                children: [(C {(git)} {(rev-parse)} {(DQ ($ VSub_Number '$1'))})]
                              )
                            left_token: <Left_CommandSub '$('>
                          )
                        }
                    )
                  ]
                )
                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:ob)
                      op: Equal
                      rhs: 
                        {
                          (word_part.CommandSubPart
                            command_list: 
                              (command.CommandList
                                children: [
                                  (C {(expr)} {(DQ ($ VSub_DollarName '$object_sha1'))} 
                                    {(Lit_Other ':')} {(DQ (Lit_Other '\\') ('(..') (Lit_Other '\\') (')'))}
                                  )
                                ]
                              )
                            left_token: <Left_CommandSub '$('>
                          )
                        }
                    )
                  ]
                )
                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:ject)
                      op: Equal
                      rhs: 
                        {
                          (word_part.CommandSubPart
                            command_list: 
                              (command.CommandList
                                children: [
                                  (C {(expr)} {(DQ ($ VSub_DollarName '$object_sha1'))} 
                                    {(Lit_Other ':')} {(DQ (..) (Lit_Other '\\') ('(..*') (Lit_Other '\\') (')'))}
                                  )
                                ]
                              )
                            left_token: <Left_CommandSub '$('>
                          )
                        }
                    )
                  ]
                )
                (C {(rm)} {(-f)} 
                  {(DQ (.git/objects/) ($ VSub_DollarName '$ob') (/) ($ VSub_DollarName '$ject'))}
                )
              ]
            )
          ]
        )
    )
    (C {(test_expect_success)} {(SQ <'setup and corrupt repository'>)} 
      {
        (SQ <'\n'> <'\n'> <'\techo file >file &&\n'> <'\tgit add file &&\n'> 
          <'\tgit rev-parse :file &&\n'> <'\tgit commit -a -m original &&\n'> <'\ttest_tick &&\n'> <'\techo changed >file &&\n'> 
          <'\tgit commit -a -m changed &&\n'> <'\tcorrupt_repo HEAD:file\n'> <'\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'fsck fails'>)} {(SQ <'\n'> <'\ttest_must_fail git fsck\n'>)})
    (C {(test_expect_success)} {(SQ <'upload-pack fails due to error in pack-objects packing'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprintf "0032want %s\\n00000009done\\n0000" \\\n'> 
          <'\t\t$(git rev-parse HEAD) >input &&\n'> <'\ttest_must_fail git upload-pack . <input >/dev/null 2>output.err &&\n'> 
          <'\ttest_i18ngrep "unable to read" output.err &&\n'> <'\ttest_i18ngrep "pack-objects died" output.err\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'corrupt repo differently'>)} 
      {(SQ <'\n'> <'\n'> <'\tgit hash-object -w file &&\n'> <'\tcorrupt_repo HEAD^^{tree}\n'> <'\n'>)}
    )
    (C {(test_expect_success)} {(SQ <'fsck fails'>)} {(SQ <'\n'> <'\ttest_must_fail git fsck\n'>)})
    (C {(test_expect_success)} {(SQ <'upload-pack fails due to error in rev-list'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprintf "0032want %s\\n0034shallow %s00000009done\\n0000" \\\n'> 
          <'\t\t$(git rev-parse HEAD) $(git rev-parse HEAD^) >input &&\n'> <'\ttest_must_fail git upload-pack . <input >/dev/null 2>output.err &&\n'> 
          <'\tgrep "bad tree object" output.err\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'upload-pack error message when bad ref requested'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprintf "0045want %s multi_ack_detailed\\n00000009done\\n0000" \\\n'> 
          <'\t\t"deadbeefdeadbeefdeadbeefdeadbeefdeadbeef" >input &&\n'> <'\ttest_must_fail git upload-pack . <input >output 2>output.err &&\n'> 
          <'\tgrep -q "not our ref" output.err &&\n'> <'\t! grep -q multi_ack_detailed output.err\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'upload-pack fails due to error in pack-objects enumeration'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tprintf "0032want %s\\n00000009done\\n0000" \\\n'> 
          <'\t\t$(git rev-parse HEAD) >input &&\n'> <'\ttest_must_fail git upload-pack . <input >/dev/null 2>output.err &&\n'> 
          <'\tgrep "bad tree object" output.err &&\n'> <'\tgrep "pack-objects died" output.err\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'create empty repository'>)} 
      {(SQ <'\n'> <'\n'> <'\tmkdir foo &&\n'> <'\tcd foo &&\n'> <'\tgit init\n'> <'\n'>)}
    )
    (C {(test_expect_success)} {(SQ <'fetch fails'>)} 
      {(SQ <'\n'> <'\n'> <'\ttest_must_fail git fetch .. master\n'> <'\n'>)}
    )
    (C {(test_done)})
  ]
)