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Always read metadata files as UTF-8 in setup.py #1748

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merged 1 commit into from
Nov 29, 2023

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@EliahKagan EliahKagan commented Nov 28, 2023

Fixes #1747

This passes encoding="utf-8" to the open calls in setup.py, so the readme, version, and requirements files are always read as UTF-8, even on systems whose locale is not UTF-8. This fixes the bug described in #1747 where installation other than from a pre-built wheel would fail on many Windows systems using non-European languages.

The specific problem occurred with the README.md file. The requirements files are less likely to contain characters not in the ASCII subset, though maybe they could come to contain them, perhaps in comments. The VERSION file is even less likely to ever contain such characters. Nonetheless, for consistency, because it is a best practice, and because it appears to be the intent of the existing code, encoding="utf=8" is added for opening all of them.

This change is tested on a system whose locale uses Windows code page 936. Editable installation, as well as the other affected ways of installing (and building) described in #1747, are now working. (Installing from a pre-built wheel was never affected.)

I lean toward the position that it's not worth attempting a regression test for this, because although we do have test_installation, a truly reliable regression test for #1747 would require the presence of a locale in which the existing logic breaks, but in practice the systems where this happens are Windows, where a single locale (in the sense of "locale" relevant here) is systemwide. Furthermore, the fix is straightforward, following the current best practice of passing encoding="utf-8" explicitly where there is not reason to do otherwise. However, there may be a way to add a reasonably reliable test using mocking or other techniques, and I'd be pleased to pursue that if you consider it warranted.

@EliahKagan EliahKagan changed the title Always use UTF-8 for metadata files in setup.py Always read metadata files as UTF-8 in setup.py Nov 29, 2023
This passes `encoding="utf-8"` to the `open` calls in setup.py, so
the readme, version, and requirements files are always read as
UTF-8, even on systems whose locale is not UTF-8. This fixes the
bug described in gitpython-developers#1747 where installation other than from a
pre-built wheel would fail on many Windows systems using
non-European languages.

The specific problem occurred with the README.md file. The
requirements files are less likely to contain characters not in the
ASCII subset, though maybe they could come to contain them, perhaps
in comments. The VERSION file is even less likely to ever contain
such characters. Nonetheless, for consistency, because it is a best
practice, and because it appears to be the intent of the existing
code, encoding="utf=8" is added for opening all of them.

This change is tested on a system whose locale uses Windows code
page 936. Editable installation, as well as the other affected ways
of installing (and building) described in gitpython-developers#1747, are now working.
@Byron
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Byron commented Nov 29, 2023

Thanks so much for tackling this!

The handling of encodings always have been a weak spot for the project (and I think, are weak spots for python in general), but this small change is an important win for sure.

I wouldn't want to see your time wasted spent on trying to test this though, as I think it's reasonable to assume encoding related issues won't occur with that as the encoding of these files is under control of the repository.

Something I find interesting though if it would present an attack-vector. Could some installation-paths be made to fail by silently changing the encoding of README.md? I'd assume such an act shows up clearly in a diff, so I'd think the answer is "no" here. And with that, it should be fine to keep it as is without further regression-protection.

@Byron Byron merged commit a2644da into gitpython-developers:main Nov 29, 2023
8 checks passed
@EliahKagan EliahKagan deleted the setup-locale branch November 29, 2023 09:11
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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [GitPython](https://github.com/gitpython-developers/GitPython) |
`==3.1.40` -> `==3.1.41` |
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---

### Release Notes

<details>
<summary>gitpython-developers/GitPython (GitPython)</summary>

###
[`v3.1.41`](https://github.com/gitpython-developers/GitPython/releases/tag/3.1.41):
- fix Windows security issue

[Compare
Source](https://github.com/gitpython-developers/GitPython/compare/3.1.40...3.1.41)

The details about the Windows security issue [can be found in this
advisory](https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2mqj-m65w-jghx).

Special thanks go to
[@&#8203;EliahKagan](https://github.com/EliahKagan) who reported the
issue and fixed it in a single stroke, while being responsible for an
incredible amount of improvements that he contributed over the last
couple of months ❤️.

#### What's Changed

- Add `__all__` in git.exc by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1719](https://github.com/gitpython-developers/GitPython/pull/1719)
- Set submodule update cadence to weekly by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1721](https://github.com/gitpython-developers/GitPython/pull/1721)
- Never modify sys.path by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1720](https://github.com/gitpython-developers/GitPython/pull/1720)
- Bump git/ext/gitdb from `8ec2390` to `ec58b7e` by
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[https://github.com/gitpython-developers/GitPython/pull/1722](https://github.com/gitpython-developers/GitPython/pull/1722)
- Revise comments, docstrings, some messages, and a bit of code by
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- Test native Windows on CI by
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- Bump github/codeql-action from 2 to 3 by
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- Better document IterableObj.iter_items and improve some subclasses by
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- Revert "Don't install black on Cygwin" by
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- Add missing pip in $PATH on Cygwin CI by
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- Deprecate Git.USE_SHELL by
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- In handle_process_output don't forward finalizer result by
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[https://github.com/gitpython-developers/GitPython/pull/1792](https://github.com/gitpython-developers/GitPython/pull/1792)

#### New Contributors

- [@&#8203;marioaag](https://github.com/marioaag) made their first
contribution in
[https://github.com/gitpython-developers/GitPython/pull/1746](https://github.com/gitpython-developers/GitPython/pull/1746)
- [@&#8203;stegm](https://github.com/stegm) made their first
contribution in
[https://github.com/gitpython-developers/GitPython/pull/1778](https://github.com/gitpython-developers/GitPython/pull/1778)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
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`==3.1.40` -> `==3.1.41` |
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---

### Release Notes

<details>
<summary>gitpython-developers/GitPython (GitPython)</summary>

###
[`v3.1.41`](https://github.com/gitpython-developers/GitPython/releases/tag/3.1.41):
- fix Windows security issue

[Compare
Source](https://github.com/gitpython-developers/GitPython/compare/3.1.40...3.1.41)

The details about the Windows security issue [can be found in this
advisory](https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2mqj-m65w-jghx).

Special thanks go to
[@&#8203;EliahKagan](https://github.com/EliahKagan) who reported the
issue and fixed it in a single stroke, while being responsible for an
incredible amount of improvements that he contributed over the last
couple of months ❤️.

#### What's Changed

- Add `__all__` in git.exc by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1719](https://github.com/gitpython-developers/GitPython/pull/1719)
- Set submodule update cadence to weekly by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1721](https://github.com/gitpython-developers/GitPython/pull/1721)
- Never modify sys.path by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1720](https://github.com/gitpython-developers/GitPython/pull/1720)
- Bump git/ext/gitdb from `8ec2390` to `ec58b7e` by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/gitpython-developers/GitPython/pull/1722](https://github.com/gitpython-developers/GitPython/pull/1722)
- Revise comments, docstrings, some messages, and a bit of code by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1725](https://github.com/gitpython-developers/GitPython/pull/1725)
- Use zero-argument super() by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1726](https://github.com/gitpython-developers/GitPython/pull/1726)
- Remove obsolete note in \_iter_packed_refs by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1727](https://github.com/gitpython-developers/GitPython/pull/1727)
- Reorganize test_util and make xfail marks precise by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1729](https://github.com/gitpython-developers/GitPython/pull/1729)
- Clarify license and make module top comments more consistent by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1730](https://github.com/gitpython-developers/GitPython/pull/1730)
- Deprecate compat.is\_<platform>, rewriting all uses by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1732](https://github.com/gitpython-developers/GitPython/pull/1732)
- Revise and restore some module docstrings by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1735](https://github.com/gitpython-developers/GitPython/pull/1735)
- Make the rmtree callback Windows-only by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1739](https://github.com/gitpython-developers/GitPython/pull/1739)
- List all non-passing tests in test summaries by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1740](https://github.com/gitpython-developers/GitPython/pull/1740)
- Document some minor subtleties in test_util.py by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1749](https://github.com/gitpython-developers/GitPython/pull/1749)
- Always read metadata files as UTF-8 in setup.py by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1748](https://github.com/gitpython-developers/GitPython/pull/1748)
- Test native Windows on CI by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1745](https://github.com/gitpython-developers/GitPython/pull/1745)
- Test macOS on CI by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1752](https://github.com/gitpython-developers/GitPython/pull/1752)
- Let close_fds be True on all platforms by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1753](https://github.com/gitpython-developers/GitPython/pull/1753)
- Fix IndexFile.from_tree on Windows by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1751](https://github.com/gitpython-developers/GitPython/pull/1751)
- Remove unused TASKKILL fallback in AutoInterrupt by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1754](https://github.com/gitpython-developers/GitPython/pull/1754)
- Don't return with operand when conceptually void by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1755](https://github.com/gitpython-developers/GitPython/pull/1755)
- Group .gitignore entries by purpose by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1758](https://github.com/gitpython-developers/GitPython/pull/1758)
- Adding dubious ownership handling by
[@&#8203;marioaag](https://github.com/marioaag) in
[https://github.com/gitpython-developers/GitPython/pull/1746](https://github.com/gitpython-developers/GitPython/pull/1746)
- Avoid brittle assumptions about preexisting temporary files in tests
by [@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1759](https://github.com/gitpython-developers/GitPython/pull/1759)
- Overhaul noqa directives by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1760](https://github.com/gitpython-developers/GitPython/pull/1760)
- Clarify some Git.execute kill_after_timeout limitations by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1761](https://github.com/gitpython-developers/GitPython/pull/1761)
- Bump actions/setup-python from 4 to 5 by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/gitpython-developers/GitPython/pull/1763](https://github.com/gitpython-developers/GitPython/pull/1763)
- Don't install black on Cygwin by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1766](https://github.com/gitpython-developers/GitPython/pull/1766)
- Extract all "import gc" to module level by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1765](https://github.com/gitpython-developers/GitPython/pull/1765)
- Extract remaining local "import gc" to module level by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1768](https://github.com/gitpython-developers/GitPython/pull/1768)
- Replace xfail with gc.collect in TestSubmodule.test_rename by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1767](https://github.com/gitpython-developers/GitPython/pull/1767)
- Enable CodeQL by [@&#8203;EliahKagan](https://github.com/EliahKagan)
in
[https://github.com/gitpython-developers/GitPython/pull/1769](https://github.com/gitpython-developers/GitPython/pull/1769)
- Replace some uses of the deprecated mktemp function by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1770](https://github.com/gitpython-developers/GitPython/pull/1770)
- Bump github/codeql-action from 2 to 3 by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/gitpython-developers/GitPython/pull/1773](https://github.com/gitpython-developers/GitPython/pull/1773)
- Run some Windows environment variable tests only on Windows by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1774](https://github.com/gitpython-developers/GitPython/pull/1774)
- Fix TemporaryFileSwap regression where file_path could not be Path by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1776](https://github.com/gitpython-developers/GitPython/pull/1776)
- Improve hooks tests by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1777](https://github.com/gitpython-developers/GitPython/pull/1777)
- Fix if items of Index is of type PathLike by
[@&#8203;stegm](https://github.com/stegm) in
[https://github.com/gitpython-developers/GitPython/pull/1778](https://github.com/gitpython-developers/GitPython/pull/1778)
- Better document IterableObj.iter_items and improve some subclasses by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1780](https://github.com/gitpython-developers/GitPython/pull/1780)
- Revert "Don't install black on Cygwin" by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1783](https://github.com/gitpython-developers/GitPython/pull/1783)
- Add missing pip in $PATH on Cygwin CI by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1784](https://github.com/gitpython-developers/GitPython/pull/1784)
- Shorten Iterable docstrings and put IterableObj first by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1785](https://github.com/gitpython-developers/GitPython/pull/1785)
- Fix incompletely revised Iterable/IterableObj docstrings by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1786](https://github.com/gitpython-developers/GitPython/pull/1786)
- Pre-deprecate setting Git.USE_SHELL by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1782](https://github.com/gitpython-developers/GitPython/pull/1782)
- Deprecate Git.USE_SHELL by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1787](https://github.com/gitpython-developers/GitPython/pull/1787)
- In handle_process_output don't forward finalizer result by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1788](https://github.com/gitpython-developers/GitPython/pull/1788)
- Fix mypy warning "Missing return statement" by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1789](https://github.com/gitpython-developers/GitPython/pull/1789)
- Fix two remaining Windows untrusted search path cases by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1792](https://github.com/gitpython-developers/GitPython/pull/1792)

#### New Contributors

- [@&#8203;marioaag](https://github.com/marioaag) made their first
contribution in
[https://github.com/gitpython-developers/GitPython/pull/1746](https://github.com/gitpython-developers/GitPython/pull/1746)
- [@&#8203;stegm](https://github.com/stegm) made their first
contribution in
[https://github.com/gitpython-developers/GitPython/pull/1778](https://github.com/gitpython-developers/GitPython/pull/1778)

**Full Changelog**:
gitpython-developers/GitPython@3.1.40...3.1.41

</details>

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otc-zuul bot pushed a commit to opentelekomcloud-infra/eyes_on_docs that referenced this pull request Mar 6, 2024
Bump gitpython from 3.1.37 to 3.1.41

Bumps gitpython from 3.1.37 to 3.1.41.

Release notes
Sourced from gitpython's releases.

3.1.41 - fix Windows security issue
The details about the Windows security issue can be found in this advisory.
Special thanks go to @​EliahKagan who reported the issue and fixed it in a single stroke, while being responsible for an incredible amount of improvements that he contributed over the last couple of months ❤️.
What's Changed

Add __all__ in git.exc by @​EliahKagan in gitpython-developers/GitPython#1719
Set submodule update cadence to weekly by @​EliahKagan in gitpython-developers/GitPython#1721
Never modify sys.path by @​EliahKagan in gitpython-developers/GitPython#1720
Bump git/ext/gitdb from 8ec2390 to ec58b7e by @​dependabot in gitpython-developers/GitPython#1722
Revise comments, docstrings, some messages, and a bit of code by @​EliahKagan in gitpython-developers/GitPython#1725
Use zero-argument super() by @​EliahKagan in gitpython-developers/GitPython#1726
Remove obsolete note in _iter_packed_refs by @​EliahKagan in gitpython-developers/GitPython#1727
Reorganize test_util and make xfail marks precise by @​EliahKagan in gitpython-developers/GitPython#1729
Clarify license and make module top comments more consistent by @​EliahKagan in gitpython-developers/GitPython#1730
Deprecate compat.is_, rewriting all uses by @​EliahKagan in gitpython-developers/GitPython#1732
Revise and restore some module docstrings by @​EliahKagan in gitpython-developers/GitPython#1735
Make the rmtree callback Windows-only by @​EliahKagan in gitpython-developers/GitPython#1739
List all non-passing tests in test summaries by @​EliahKagan in gitpython-developers/GitPython#1740
Document some minor subtleties in test_util.py by @​EliahKagan in gitpython-developers/GitPython#1749
Always read metadata files as UTF-8 in setup.py by @​EliahKagan in gitpython-developers/GitPython#1748
Test native Windows on CI by @​EliahKagan in gitpython-developers/GitPython#1745
Test macOS on CI by @​EliahKagan in gitpython-developers/GitPython#1752
Let close_fds be True on all platforms by @​EliahKagan in gitpython-developers/GitPython#1753
Fix IndexFile.from_tree on Windows by @​EliahKagan in gitpython-developers/GitPython#1751
Remove unused TASKKILL fallback in AutoInterrupt by @​EliahKagan in gitpython-developers/GitPython#1754
Don't return with operand when conceptually void by @​EliahKagan in gitpython-developers/GitPython#1755
Group .gitignore entries by purpose by @​EliahKagan in gitpython-developers/GitPython#1758
Adding dubious ownership handling by @​marioaag in gitpython-developers/GitPython#1746
Avoid brittle assumptions about preexisting temporary files in tests by @​EliahKagan in gitpython-developers/GitPython#1759
Overhaul noqa directives by @​EliahKagan in gitpython-developers/GitPython#1760
Clarify some Git.execute kill_after_timeout limitations by @​EliahKagan in gitpython-developers/GitPython#1761
Bump actions/setup-python from 4 to 5 by @​dependabot in gitpython-developers/GitPython#1763
Don't install black on Cygwin by @​EliahKagan in gitpython-developers/GitPython#1766
Extract all "import gc" to module level by @​EliahKagan in gitpython-developers/GitPython#1765
Extract remaining local "import gc" to module level by @​EliahKagan in gitpython-developers/GitPython#1768
Replace xfail with gc.collect in TestSubmodule.test_rename by @​EliahKagan in gitpython-developers/GitPython#1767
Enable CodeQL by @​EliahKagan in gitpython-developers/GitPython#1769
Replace some uses of the deprecated mktemp function by @​EliahKagan in gitpython-developers/GitPython#1770
Bump github/codeql-action from 2 to 3 by @​dependabot in gitpython-developers/GitPython#1773
Run some Windows environment variable tests only on Windows by @​EliahKagan in gitpython-developers/GitPython#1774
Fix TemporaryFileSwap regression where file_path could not be Path by @​EliahKagan in gitpython-developers/GitPython#1776
Improve hooks tests by @​EliahKagan in gitpython-developers/GitPython#1777
Fix if items of Index is of type PathLike by @​stegm in gitpython-developers/GitPython#1778
Better document IterableObj.iter_items and improve some subclasses by @​EliahKagan in gitpython-developers/GitPython#1780
Revert "Don't install black on Cygwin" by @​EliahKagan in gitpython-developers/GitPython#1783
Add missing pip in $PATH on Cygwin CI by @​EliahKagan in gitpython-developers/GitPython#1784
Shorten Iterable docstrings and put IterableObj first by @​EliahKagan in gitpython-developers/GitPython#1785
Fix incompletely revised Iterable/IterableObj docstrings by @​EliahKagan in gitpython-developers/GitPython#1786
Pre-deprecate setting Git.USE_SHELL by @​EliahKagan in gitpython-developers/GitPython#1782



... (truncated)


Commits

f288738 bump patch level
ef3192c Merge pull request #1792 from EliahKagan/popen
1f3caa3 Further clarify comment in test_hook_uses_shell_not_from_cwd
3eb7c2a Move safer_popen from git.util to git.cmd
c551e91 Extract shared logic for using Popen safely on Windows
15ebb25 Clarify comment in test_hook_uses_shell_not_from_cwd
f44524a Avoid spurious "location may have moved" on Windows
a42ea0a Cover absent/no-distro bash.exe in hooks "not from cwd" test
7751436 Extract venv management from test_installation
66ff4c1 Omit CWD in search for bash.exe to run hooks on Windows
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Reviewed-by: Vladimir Vshivkov
JoeWang1127 referenced this pull request in googleapis/sdk-platform-java Apr 6, 2024
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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [GitPython](https://github.com/gitpython-developers/GitPython) |
`==3.1.40` -> `==3.1.41` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/GitPython/3.1.41?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
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|
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|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

### GitHub Vulnerability Alerts

####
[CVE-2024-22190](https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2mqj-m65w-jghx)

### Summary

This issue exists because of an incomplete fix for CVE-2023-40590. On
Windows, GitPython uses an untrusted search path if it uses a shell to
run `git`, as well as when it runs `bash.exe` to interpret hooks. If
either of those features are used on Windows, a malicious `git.exe` or
`bash.exe` may be run from an untrusted repository.

### Details

Although GitPython often avoids executing programs found in an untrusted
search path since 3.1.33, two situations remain where this still occurs.
Either can allow arbitrary code execution under some circumstances.

#### When a shell is used

GitPython can be told to run `git` commands through a shell rather than
as direct subprocesses, by passing `shell=True` to any method that
accepts it, or by both setting `Git.USE_SHELL = True` and not passing
`shell=False`. Then the Windows `cmd.exe` shell process performs the
path search, and GitPython does not prevent that shell from finding and
running `git` in the current directory.

When GitPython runs `git` directly rather than through a shell, the
GitPython process performs the path search, and currently omits the
current directory by setting `NoDefaultCurrentDirectoryInExePath` in its
own environment during the `Popen` call. Although the `cmd.exe` shell
will honor this environment variable when present, GitPython does not
currently pass it into the shell subprocess's environment.

Furthermore, because GitPython sets the subprocess CWD to the root of a
repository's working tree, using a shell will run a malicious `git.exe`
in an untrusted repository even if GitPython itself is run from a
trusted location.

This also applies if `Git.execute` is called directly with `shell=True`
(or after `Git.USE_SHELL = True`) to run any command.

#### When hook scripts are run

On Windows, GitPython uses `bash.exe` to run hooks that appear to be
scripts. However, unlike when running `git`, no steps are taken to avoid
finding and running `bash.exe` in the current directory.

This allows the author of an untrusted fork or branch to cause a
malicious `bash.exe` to be run in some otherwise safe workflows. An
example of such a scenario is if the user installs a trusted hook while
on a trusted branch, then switches to an untrusted feature branch
(possibly from a fork) to review proposed changes. If the untrusted
feature branch contains a malicious `bash.exe` and the user's current
working directory is the working tree, and the user performs an action
that runs the hook, then although the hook itself is uncorrupted, it
runs with the malicious `bash.exe`.

Note that, while `bash.exe` is a shell, this is a separate scenario from
when `git` is run using the unrelated Windows `cmd.exe` shell.

### PoC

On Windows, create a `git.exe` file in a repository. Then create a
`Repo` object, and call any method through it (directly or indirectly)
that supports the `shell` keyword argument with `shell=True`:

```powershell
mkdir testrepo
git init testrepo
cp ... testrepo git.exe # Replace "..." with any executable of choice.
python -c "import git; print(git.Repo('testrepo').git.version(shell=True))"
```

The `git.exe` executable in the repository directory will be run.

Or use no `Repo` object, but do it from the location with the `git.exe`:

```powershell
cd testrepo
python -c "import git; print(git.Git().version(shell=True))"
```

The `git.exe` executable in the current directory will be run.

For the scenario with hooks, install a hook in a repository, create a
`bash.exe` file in the current directory, and perform an operation that
causes GitPython to attempt to run the hook:

```powershell
mkdir testrepo
cd testrepo
git init
mv .git/hooks/pre-commit.sample .git/hooks/pre-commit
cp ... bash.exe # Replace "..." with any executable of choice.
echo "Some text" >file.txt
git add file.txt
python -c "import git; git.Repo().index.commit('Some message')"
```

The `bash.exe` executable in the current directory will be run.

### Impact

The greatest impact is probably in applications that set `Git.USE_SHELL
= True` for historical reasons. (Undesired console windows had, in the
past, been created in some kinds of applications, when it was not used.)
Such an application may be vulnerable to arbitrary code execution from a
malicious repository, even with no other exacerbating conditions. This
is to say that, if a shell is used to run `git`, the full effect of
CVE-2023-40590 is still present. Furthermore, as noted above, running
the application itself from a trusted directory is not a sufficient
mitigation.

An application that does not direct GitPython to use a shell to run
`git` subprocesses thus avoids most of the risk. However, there is no
such straightforward way to prevent GitPython from running `bash.exe` to
interpret hooks. So while the conditions needed for that to be exploited
are more involved, it may be harder to mitigate decisively prior to
patching.

### Possible solutions

A straightforward approach would be to address each bug directly:

- When a shell is used, pass `NoDefaultCurrentDirectoryInExePath` into
the subprocess environment, because in that scenario the subprocess is
the `cmd.exe` shell that itself performs the path search.
- Set `NoDefaultCurrentDirectoryInExePath` in the GitPython process
environment during the `Popen` call made to run hooks with a `bash.exe`
subprocess.

These need only be done on Windows.

---

### Release Notes

<details>
<summary>gitpython-developers/GitPython (GitPython)</summary>

###
[`v3.1.41`](https://github.com/gitpython-developers/GitPython/releases/tag/3.1.41):
- fix Windows security issue

[Compare
Source](https://github.com/gitpython-developers/GitPython/compare/3.1.40...3.1.41)

The details about the Windows security issue [can be found in this
advisory](https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2mqj-m65w-jghx).

Special thanks go to
[@&#8203;EliahKagan](https://github.com/EliahKagan) who reported the
issue and fixed it in a single stroke, while being responsible for an
incredible amount of improvements that he contributed over the last
couple of months ❤️.

#### What's Changed

- Add `__all__` in git.exc by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1719](https://github.com/gitpython-developers/GitPython/pull/1719)
- Set submodule update cadence to weekly by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1721](https://github.com/gitpython-developers/GitPython/pull/1721)
- Never modify sys.path by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1720](https://github.com/gitpython-developers/GitPython/pull/1720)
- Bump git/ext/gitdb from `8ec2390` to `ec58b7e` by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/gitpython-developers/GitPython/pull/1722](https://github.com/gitpython-developers/GitPython/pull/1722)
- Revise comments, docstrings, some messages, and a bit of code by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1725](https://github.com/gitpython-developers/GitPython/pull/1725)
- Use zero-argument super() by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1726](https://github.com/gitpython-developers/GitPython/pull/1726)
- Remove obsolete note in \_iter_packed_refs by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1727](https://github.com/gitpython-developers/GitPython/pull/1727)
- Reorganize test_util and make xfail marks precise by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1729](https://github.com/gitpython-developers/GitPython/pull/1729)
- Clarify license and make module top comments more consistent by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1730](https://github.com/gitpython-developers/GitPython/pull/1730)
- Deprecate compat.is\_<platform>, rewriting all uses by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1732](https://github.com/gitpython-developers/GitPython/pull/1732)
- Revise and restore some module docstrings by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1735](https://github.com/gitpython-developers/GitPython/pull/1735)
- Make the rmtree callback Windows-only by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1739](https://github.com/gitpython-developers/GitPython/pull/1739)
- List all non-passing tests in test summaries by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1740](https://github.com/gitpython-developers/GitPython/pull/1740)
- Document some minor subtleties in test_util.py by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1749](https://github.com/gitpython-developers/GitPython/pull/1749)
- Always read metadata files as UTF-8 in setup.py by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1748](https://github.com/gitpython-developers/GitPython/pull/1748)
- Test native Windows on CI by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1745](https://github.com/gitpython-developers/GitPython/pull/1745)
- Test macOS on CI by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1752](https://github.com/gitpython-developers/GitPython/pull/1752)
- Let close_fds be True on all platforms by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1753](https://github.com/gitpython-developers/GitPython/pull/1753)
- Fix IndexFile.from_tree on Windows by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1751](https://github.com/gitpython-developers/GitPython/pull/1751)
- Remove unused TASKKILL fallback in AutoInterrupt by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1754](https://github.com/gitpython-developers/GitPython/pull/1754)
- Don't return with operand when conceptually void by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1755](https://github.com/gitpython-developers/GitPython/pull/1755)
- Group .gitignore entries by purpose by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1758](https://github.com/gitpython-developers/GitPython/pull/1758)
- Adding dubious ownership handling by
[@&#8203;marioaag](https://github.com/marioaag) in
[https://github.com/gitpython-developers/GitPython/pull/1746](https://github.com/gitpython-developers/GitPython/pull/1746)
- Avoid brittle assumptions about preexisting temporary files in tests
by [@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1759](https://github.com/gitpython-developers/GitPython/pull/1759)
- Overhaul noqa directives by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1760](https://github.com/gitpython-developers/GitPython/pull/1760)
- Clarify some Git.execute kill_after_timeout limitations by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1761](https://github.com/gitpython-developers/GitPython/pull/1761)
- Bump actions/setup-python from 4 to 5 by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/gitpython-developers/GitPython/pull/1763](https://github.com/gitpython-developers/GitPython/pull/1763)
- Don't install black on Cygwin by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1766](https://github.com/gitpython-developers/GitPython/pull/1766)
- Extract all "import gc" to module level by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1765](https://github.com/gitpython-developers/GitPython/pull/1765)
- Extract remaining local "import gc" to module level by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1768](https://github.com/gitpython-developers/GitPython/pull/1768)
- Replace xfail with gc.collect in TestSubmodule.test_rename by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1767](https://github.com/gitpython-developers/GitPython/pull/1767)
- Enable CodeQL by [@&#8203;EliahKagan](https://github.com/EliahKagan)
in
[https://github.com/gitpython-developers/GitPython/pull/1769](https://github.com/gitpython-developers/GitPython/pull/1769)
- Replace some uses of the deprecated mktemp function by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1770](https://github.com/gitpython-developers/GitPython/pull/1770)
- Bump github/codeql-action from 2 to 3 by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/gitpython-developers/GitPython/pull/1773](https://github.com/gitpython-developers/GitPython/pull/1773)
- Run some Windows environment variable tests only on Windows by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1774](https://github.com/gitpython-developers/GitPython/pull/1774)
- Fix TemporaryFileSwap regression where file_path could not be Path by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1776](https://github.com/gitpython-developers/GitPython/pull/1776)
- Improve hooks tests by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1777](https://github.com/gitpython-developers/GitPython/pull/1777)
- Fix if items of Index is of type PathLike by
[@&#8203;stegm](https://github.com/stegm) in
[https://github.com/gitpython-developers/GitPython/pull/1778](https://github.com/gitpython-developers/GitPython/pull/1778)
- Better document IterableObj.iter_items and improve some subclasses by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1780](https://github.com/gitpython-developers/GitPython/pull/1780)
- Revert "Don't install black on Cygwin" by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1783](https://github.com/gitpython-developers/GitPython/pull/1783)
- Add missing pip in $PATH on Cygwin CI by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1784](https://github.com/gitpython-developers/GitPython/pull/1784)
- Shorten Iterable docstrings and put IterableObj first by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1785](https://github.com/gitpython-developers/GitPython/pull/1785)
- Fix incompletely revised Iterable/IterableObj docstrings by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1786](https://github.com/gitpython-developers/GitPython/pull/1786)
- Pre-deprecate setting Git.USE_SHELL by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1782](https://github.com/gitpython-developers/GitPython/pull/1782)
- Deprecate Git.USE_SHELL by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1787](https://github.com/gitpython-developers/GitPython/pull/1787)
- In handle_process_output don't forward finalizer result by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1788](https://github.com/gitpython-developers/GitPython/pull/1788)
- Fix mypy warning "Missing return statement" by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1789](https://github.com/gitpython-developers/GitPython/pull/1789)
- Fix two remaining Windows untrusted search path cases by
[@&#8203;EliahKagan](https://github.com/EliahKagan) in
[https://github.com/gitpython-developers/GitPython/pull/1792](https://github.com/gitpython-developers/GitPython/pull/1792)

#### New Contributors

- [@&#8203;marioaag](https://github.com/marioaag) made their first
contribution in
[https://github.com/gitpython-developers/GitPython/pull/1746](https://github.com/gitpython-developers/GitPython/pull/1746)
- [@&#8203;stegm](https://github.com/stegm) made their first
contribution in
[https://github.com/gitpython-developers/GitPython/pull/1778](https://github.com/gitpython-developers/GitPython/pull/1778)

**Full Changelog**:
gitpython-developers/GitPython@3.1.40...3.1.41

</details>

---

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Source and editable installs fail in some locales
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