Add repo_id to DatasetInfo

```python
from datasets import load_dataset

ds = load_dataset("lhoestq/demo1", split="train")
ds = ds.map(lambda x: {}, num_proc=2).filter(lambda x: True).remove_columns(["id"])
print(ds.repo_id)
# lhoestq/demo1
```

- repo_id is None when the dataset doesn't come from the Hub, e.g. from Dataset.from_dict
- repo_id is set to None when concatenating datasets with different repo ids

related to https://github.com/huggingface/datasets/issues/4129

TODO:
- [ ] discuss if it's ok for now
- [ ] tests

The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6268). All of your documentation changes will be reflected on that endpoint.

In https://github.com/huggingface/datasets/issues/4129 we want to track the origin of a dataset, e.g. if it comes from multiple datasets.

I think it's out of scope of DatasetInfo alone, which has info for one dataset only.
Therefore it makes sense to add repo_id, which is for one dataset only.

IMO if we want to track multiple origins we will need a new DatasetInfo that would have fields relevant to a mix of datasets (out of scope of this PR)

cc @mariosasko I'd like your opinion on this

<details>
<summary>Show benchmarks</summary>

PyArrow==8.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.009009 / 0.011353 (-0.002344) | 0.004169 / 0.011008 (-0.006840) | 0.098634 / 0.038508 (0.060126) | 0.069526 / 0.023109 (0.046417) | 0.337963 / 0.275898 (0.062065) | 0.379737 / 0.323480 (0.056257) | 0.004318 / 0.007986 (-0.003668) | 0.005347 / 0.004328 (0.001019) | 0.069875 / 0.004250 (0.065624) | 0.055964 / 0.037052 (0.018912) | 0.340305 / 0.258489 (0.081816) | 0.429718 / 0.293841 (0.135877) | 0.045101 / 0.128546 (-0.083445) | 0.012610 / 0.075646 (-0.063036) | 0.312366 / 0.419271 (-0.106905) | 0.064711 / 0.043533 (0.021178) | 0.345216 / 0.255139 (0.090077) | 0.367245 / 0.283200 (0.084046) | 0.034638 / 0.141683 (-0.107045) | 1.541947 / 1.452155 (0.089793) | 1.645268 / 1.492716 (0.152551) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.233501 / 0.018006 (0.215495) | 0.514207 / 0.000490 (0.513717) | 0.014271 / 0.000200 (0.014072) | 0.000366 / 0.000054 (0.000311) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.026288 / 0.037411 (-0.011124) | 0.083206 / 0.014526 (0.068680) | 0.098172 / 0.176557 (-0.078385) | 0.158529 / 0.737135 (-0.578606) | 0.095183 / 0.296338 (-0.201155) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.538300 / 0.215209 (0.323091) | 5.486939 / 2.077655 (3.409285) | 2.321812 / 1.504120 (0.817692) | 2.002124 / 1.541195 (0.460929) | 2.045043 / 1.468490 (0.576553) | 0.852772 / 4.584777 (-3.732005) | 5.014897 / 3.745712 (1.269185) | 4.428115 / 5.269862 (-0.841746) | 2.750126 / 4.565676 (-1.815550) | 0.099028 / 0.424275 (-0.325247) | 0.007678 / 0.007607 (0.000070) | 0.664463 / 0.226044 (0.438418) | 6.617811 / 2.268929 (4.348883) | 2.888382 / 55.444624 (-52.556242) | 2.190753 / 6.876477 (-4.685724) | 2.414586 / 2.142072 (0.272513) | 1.010302 / 4.805227 (-3.794925) | 0.194925 / 6.500664 (-6.305739) | 0.063490 / 0.075469 (-0.011979) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.543464 / 1.841788 (-0.298323) | 20.566666 / 8.074308 (12.492358) | 19.410745 / 10.191392 (9.219353) | 0.207077 / 0.680424 (-0.473347) | 0.028895 / 0.534201 (-0.505306) | 0.427525 / 0.579283 (-0.151758) | 0.535450 / 0.434364 (0.101086) | 0.494632 / 0.540337 (-0.045705) | 0.723705 / 1.386936 (-0.663231) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.008209 / 0.011353 (-0.003144) | 0.004184 / 0.011008 (-0.006824) | 0.072420 / 0.038508 (0.033912) | 0.066851 / 0.023109 (0.043742) | 0.424137 / 0.275898 (0.148239) | 0.473156 / 0.323480 (0.149676) | 0.005394 / 0.007986 (-0.002591) | 0.003898 / 0.004328 (-0.000430) | 0.069996 / 0.004250 (0.065746) | 0.053113 / 0.037052 (0.016061) | 0.453214 / 0.258489 (0.194725) | 0.495921 / 0.293841 (0.202080) | 0.043028 / 0.128546 (-0.085519) | 0.012320 / 0.075646 (-0.063326) | 0.080270 / 0.419271 (-0.339002) | 0.053337 / 0.043533 (0.009804) | 0.436604 / 0.255139 (0.181465) | 0.463422 / 0.283200 (0.180223) | 0.030277 / 0.141683 (-0.111406) | 1.560261 / 1.452155 (0.108106) | 1.647209 / 1.492716 (0.154493) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.232556 / 0.018006 (0.214550) | 0.502387 / 0.000490 (0.501897) | 0.006688 / 0.000200 (0.006488) | 0.000118 / 0.000054 (0.000064) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.030204 / 0.037411 (-0.007207) | 0.089438 / 0.014526 (0.074912) | 0.118939 / 0.176557 (-0.057617) | 0.160537 / 0.737135 (-0.576598) | 0.113432 / 0.296338 (-0.182906) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.586469 / 0.215209 (0.371260) | 5.916156 / 2.077655 (3.838502) | 2.904960 / 1.504120 (1.400840) | 2.346838 / 1.541195 (0.805644) | 2.373688 / 1.468490 (0.905198) | 0.829917 / 4.584777 (-3.754860) | 4.851283 / 3.745712 (1.105571) | 4.220103 / 5.269862 (-1.049758) | 2.706139 / 4.565676 (-1.859538) | 0.094095 / 0.424275 (-0.330180) | 0.008201 / 0.007607 (0.000594) | 0.699099 / 0.226044 (0.473054) | 7.046940 / 2.268929 (4.778011) | 3.374837 / 55.444624 (-52.069788) | 2.690839 / 6.876477 (-4.185638) | 2.845717 / 2.142072 (0.703645) | 0.989698 / 4.805227 (-3.815529) | 0.190413 / 6.500664 (-6.310251) | 0.066233 / 0.075469 (-0.009236) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.513607 / 1.841788 (-0.328180) | 21.544200 / 8.074308 (13.469892) | 20.297337 / 10.191392 (10.105945) | 0.216390 / 0.680424 (-0.464034) | 0.029962 / 0.534201 (-0.504239) | 0.451531 / 0.579283 (-0.127752) | 0.530147 / 0.434364 (0.095783) | 0.520739 / 0.540337 (-0.019598) | 0.716431 / 1.386936 (-0.670505) |

</details>
</details>

![](https://cml.dev/watermark.png#fcaa9f218ad1505bb5474060889b4b9578e24423 "CML watermark")


<details>
<summary>Show benchmarks</summary>

PyArrow==8.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.006509 / 0.011353 (-0.004844) | 0.003987 / 0.011008 (-0.007022) | 0.085233 / 0.038508 (0.046725) | 0.077765 / 0.023109 (0.054656) | 0.310467 / 0.275898 (0.034569) | 0.343363 / 0.323480 (0.019883) | 0.005557 / 0.007986 (-0.002429) | 0.003430 / 0.004328 (-0.000898) | 0.064948 / 0.004250 (0.060697) | 0.056864 / 0.037052 (0.019812) | 0.314005 / 0.258489 (0.055516) | 0.360638 / 0.293841 (0.066798) | 0.031134 / 0.128546 (-0.097412) | 0.008869 / 0.075646 (-0.066777) | 0.286409 / 0.419271 (-0.132862) | 0.051338 / 0.043533 (0.007805) | 0.311329 / 0.255139 (0.056190) | 0.334373 / 0.283200 (0.051174) | 0.024816 / 0.141683 (-0.116867) | 1.502872 / 1.452155 (0.050718) | 1.569941 / 1.492716 (0.077224) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.269639 / 0.018006 (0.251633) | 0.558510 / 0.000490 (0.558020) | 0.011748 / 0.000200 (0.011548) | 0.000234 / 0.000054 (0.000180) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.029139 / 0.037411 (-0.008272) | 0.083586 / 0.014526 (0.069060) | 0.102426 / 0.176557 (-0.074131) | 0.162398 / 0.737135 (-0.574737) | 0.101364 / 0.296338 (-0.194975) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.382281 / 0.215209 (0.167072) | 3.826412 / 2.077655 (1.748758) | 1.815911 / 1.504120 (0.311791) | 1.644539 / 1.541195 (0.103344) | 1.688487 / 1.468490 (0.219996) | 0.482115 / 4.584777 (-4.102662) | 3.574773 / 3.745712 (-0.170939) | 3.262733 / 5.269862 (-2.007129) | 2.058115 / 4.565676 (-2.507562) | 0.056367 / 0.424275 (-0.367908) | 0.007233 / 0.007607 (-0.000374) | 0.456859 / 0.226044 (0.230815) | 4.565935 / 2.268929 (2.297006) | 2.311802 / 55.444624 (-53.132823) | 1.943936 / 6.876477 (-4.932541) | 2.129811 / 2.142072 (-0.012261) | 0.575098 / 4.805227 (-4.230129) | 0.130495 / 6.500664 (-6.370169) | 0.059757 / 0.075469 (-0.015712) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.238495 / 1.841788 (-0.603293) | 18.940000 / 8.074308 (10.865692) | 14.034240 / 10.191392 (3.842848) | 0.166418 / 0.680424 (-0.514006) | 0.018420 / 0.534201 (-0.515781) | 0.395330 / 0.579283 (-0.183953) | 0.413518 / 0.434364 (-0.020846) | 0.461499 / 0.540337 (-0.078838) | 0.661371 / 1.386936 (-0.725565) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.006673 / 0.011353 (-0.004680) | 0.004335 / 0.011008 (-0.006673) | 0.064568 / 0.038508 (0.026060) | 0.072763 / 0.023109 (0.049653) | 0.429488 / 0.275898 (0.153590) | 0.456900 / 0.323480 (0.133420) | 0.005481 / 0.007986 (-0.002505) | 0.003649 / 0.004328 (-0.000680) | 0.064975 / 0.004250 (0.060724) | 0.056839 / 0.037052 (0.019786) | 0.439451 / 0.258489 (0.180962) | 0.461691 / 0.293841 (0.167850) | 0.031455 / 0.128546 (-0.097092) | 0.008848 / 0.075646 (-0.066798) | 0.071719 / 0.419271 (-0.347553) | 0.047116 / 0.043533 (0.003583) | 0.429055 / 0.255139 (0.173916) | 0.434204 / 0.283200 (0.151004) | 0.022594 / 0.141683 (-0.119089) | 1.539231 / 1.452155 (0.087077) | 1.568111 / 1.492716 (0.075394) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.267374 / 0.018006 (0.249368) | 0.553202 / 0.000490 (0.552712) | 0.005410 / 0.000200 (0.005210) | 0.000101 / 0.000054 (0.000046) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.031478 / 0.037411 (-0.005933) | 0.092438 / 0.014526 (0.077912) | 0.103874 / 0.176557 (-0.072682) | 0.158428 / 0.737135 (-0.578708) | 0.111617 / 0.296338 (-0.184721) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.434783 / 0.215209 (0.219574) | 4.332536 / 2.077655 (2.254881) | 2.354522 / 1.504120 (0.850402) | 2.220271 / 1.541195 (0.679076) | 2.338524 / 1.468490 (0.870034) | 0.494508 / 4.584777 (-4.090269) | 3.619592 / 3.745712 (-0.126120) | 3.320897 / 5.269862 (-1.948964) | 2.107475 / 4.565676 (-2.458202) | 0.058479 / 0.424275 (-0.365796) | 0.007427 / 0.007607 (-0.000180) | 0.509298 / 0.226044 (0.283254) | 5.067940 / 2.268929 (2.799012) | 2.815336 / 55.444624 (-52.629288) | 2.470958 / 6.876477 (-4.405519) | 2.672801 / 2.142072 (0.530728) | 0.588199 / 4.805227 (-4.217028) | 0.134062 / 6.500664 (-6.366602) | 0.060951 / 0.075469 (-0.014518) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.353955 / 1.841788 (-0.487832) | 20.386012 / 8.074308 (12.311704) | 15.032463 / 10.191392 (4.841071) | 0.167243 / 0.680424 (-0.513181) | 0.020426 / 0.534201 (-0.513775) | 0.396815 / 0.579283 (-0.182469) | 0.421806 / 0.434364 (-0.012558) | 0.471866 / 0.540337 (-0.068471) | 0.667206 / 1.386936 (-0.719730) |

</details>
</details>

![](https://cml.dev/watermark.png#aade5a0c79398c84632a3ff253111e694c7b598b "CML watermark")


Really happy to see this! It could also be helpful to track some other metadata about how the dataset was built in the future. i.e. for the Stack loaded like this:

```
ds = load_dataset("bigcode/the-stack", data_dir="data/dockerfile", split="train")
```
It could be helpful to have easy access to the `data_dir` argument used during loading since that changes the training data quite a bit vs. loading the full dataset. You can also recover this from `download_checksums`, which seems a bit hacky. That is not necessary for this PR, though.


Perhaps it is also interesting to track the revision? I suppose the version also kind of covers that.

That said, this is looking great already! I'm quite excited about this. Losing the `repo_id` after merging (different) datasets also makes sense to me, well done.

One other thought. Is it worth tracking if a `token` was passed during loading? 

The Hub ID for private datasets could in some cases contain information someone wouldn't want to make public i.e. `davanstrien/super_secret_dataset_using_GPT_created_data`. 

Adding a bool like `is_private` could then be used by another library to determine if the dataset ID should be shared or not (or default to not sharing the ID for private datasets). i.e. in SpanMarker @tomaarsen might do a check like 

```python
if ds.is_private and not push_hub_id_for_private_ds:
	ds_name  = None
```
Potentially this is overkill but could be useful for downstream libraries who might use this information for creating automatic model cards. 




We should probably find a way to remove `DatasetInfo`, as (most of) its attributes are outdated (homepage, description, etc.), not introduce new ones :). But I guess storing `repo_id` there is the simplest solution for now, so I'm OK with it.

<details>
<summary>Show benchmarks</summary>

PyArrow==8.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.007757 / 0.011353 (-0.003595) | 0.004543 / 0.011008 (-0.006465) | 0.100193 / 0.038508 (0.061685) | 0.082333 / 0.023109 (0.059224) | 0.374586 / 0.275898 (0.098688) | 0.412617 / 0.323480 (0.089137) | 0.006148 / 0.007986 (-0.001838) | 0.003826 / 0.004328 (-0.000503) | 0.077077 / 0.004250 (0.072827) | 0.064057 / 0.037052 (0.027005) | 0.391435 / 0.258489 (0.132946) | 0.436439 / 0.293841 (0.142599) | 0.036534 / 0.128546 (-0.092012) | 0.009986 / 0.075646 (-0.065660) | 0.344243 / 0.419271 (-0.075028) | 0.062013 / 0.043533 (0.018480) | 0.378113 / 0.255139 (0.122974) | 0.398476 / 0.283200 (0.115276) | 0.026552 / 0.141683 (-0.115131) | 1.740505 / 1.452155 (0.288350) | 1.835684 / 1.492716 (0.342968) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.267917 / 0.018006 (0.249911) | 0.510676 / 0.000490 (0.510186) | 0.010810 / 0.000200 (0.010610) | 0.000383 / 0.000054 (0.000328) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.032113 / 0.037411 (-0.005299) | 0.097679 / 0.014526 (0.083153) | 0.113213 / 0.176557 (-0.063344) | 0.177897 / 0.737135 (-0.559238) | 0.111761 / 0.296338 (-0.184577) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.450544 / 0.215209 (0.235335) | 4.476746 / 2.077655 (2.399091) | 2.205391 / 1.504120 (0.701271) | 2.006457 / 1.541195 (0.465262) | 2.058859 / 1.468490 (0.590369) | 0.571549 / 4.584777 (-4.013228) | 4.175039 / 3.745712 (0.429327) | 3.815445 / 5.269862 (-1.454416) | 2.376673 / 4.565676 (-2.189004) | 0.067048 / 0.424275 (-0.357227) | 0.008544 / 0.007607 (0.000937) | 0.536384 / 0.226044 (0.310340) | 5.386232 / 2.268929 (3.117304) | 2.825620 / 55.444624 (-52.619004) | 2.339821 / 6.876477 (-4.536656) | 2.535736 / 2.142072 (0.393663) | 0.679572 / 4.805227 (-4.125655) | 0.156799 / 6.500664 (-6.343865) | 0.071667 / 0.075469 (-0.003802) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.512198 / 1.841788 (-0.329590) | 21.786760 / 8.074308 (13.712452) | 16.386274 / 10.191392 (6.194882) | 0.169108 / 0.680424 (-0.511316) | 0.021312 / 0.534201 (-0.512889) | 0.466153 / 0.579283 (-0.113130) | 0.496192 / 0.434364 (0.061829) | 0.549420 / 0.540337 (0.009082) | 0.780974 / 1.386936 (-0.605962) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.007644 / 0.011353 (-0.003709) | 0.004654 / 0.011008 (-0.006354) | 0.075280 / 0.038508 (0.036772) | 0.083044 / 0.023109 (0.059935) | 0.481704 / 0.275898 (0.205805) | 0.514828 / 0.323480 (0.191348) | 0.006245 / 0.007986 (-0.001740) | 0.003715 / 0.004328 (-0.000614) | 0.074498 / 0.004250 (0.070248) | 0.064406 / 0.037052 (0.027353) | 0.481874 / 0.258489 (0.223385) | 0.518527 / 0.293841 (0.224686) | 0.037549 / 0.128546 (-0.090997) | 0.010106 / 0.075646 (-0.065541) | 0.084266 / 0.419271 (-0.335006) | 0.056659 / 0.043533 (0.013126) | 0.497707 / 0.255139 (0.242568) | 0.503201 / 0.283200 (0.220001) | 0.027086 / 0.141683 (-0.114597) | 1.834715 / 1.452155 (0.382560) | 1.919927 / 1.492716 (0.427210) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.249288 / 0.018006 (0.231282) | 0.500950 / 0.000490 (0.500460) | 0.005856 / 0.000200 (0.005656) | 0.000120 / 0.000054 (0.000065) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.037674 / 0.037411 (0.000263) | 0.111141 / 0.014526 (0.096615) | 0.123408 / 0.176557 (-0.053149) | 0.186604 / 0.737135 (-0.550531) | 0.125360 / 0.296338 (-0.170979) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.520480 / 0.215209 (0.305271) | 5.171108 / 2.077655 (3.093453) | 2.812746 / 1.504120 (1.308626) | 2.602941 / 1.541195 (1.061746) | 2.666196 / 1.468490 (1.197706) | 0.578684 / 4.584777 (-4.006092) | 4.238722 / 3.745712 (0.493010) | 3.844361 / 5.269862 (-1.425501) | 2.369214 / 4.565676 (-2.196462) | 0.068543 / 0.424275 (-0.355732) | 0.008695 / 0.007607 (0.001088) | 0.621869 / 0.226044 (0.395825) | 6.200566 / 2.268929 (3.931637) | 3.340846 / 55.444624 (-52.103779) | 2.920691 / 6.876477 (-3.955786) | 3.132438 / 2.142072 (0.990366) | 0.697394 / 4.805227 (-4.107834) | 0.158385 / 6.500664 (-6.342280) | 0.072566 / 0.075469 (-0.002903) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.599070 / 1.841788 (-0.242717) | 22.767139 / 8.074308 (14.692831) | 17.053988 / 10.191392 (6.862596) | 0.188414 / 0.680424 (-0.492009) | 0.023409 / 0.534201 (-0.510792) | 0.472092 / 0.579283 (-0.107191) | 0.486107 / 0.434364 (0.051743) | 0.562190 / 0.540337 (0.021852) | 0.791606 / 1.386936 (-0.595330) |

</details>
</details>

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