Extract all "import gc" to module level #1765

EliahKagan · 2023-12-12T12:14:22Z

The gc module was already imported at module scope in git/repo/base.py. Although it was moved recently, it is not a new addition. It has been present for about seven years, since f1a82e4 (#555). Importing the top-level git module or any submodule of it runs that import statement:

>>> import sys
>>> "gc" in sys.modules
False
>>> import git
>>> "gc" in sys.modules
True

Because the gc module is already imported, reimporting it is fast.

Imports that there is no specific reason to do locally should be at module scope. Having them local decreased readability, in part because of how black inserts a black line between them and gc.collect() calls they are imported to allow.

An alternative to this change would be to remove the preexisting top-level import gc (there is also another one in the test suite) and replace it with a local import as well. I am unsure if that would affect performance and, if so, whether the effect would be good or bad, since the small delay of the import might potentially be less desirable to an application if it occurs while the work of the application is already in progress.

If a gc.collect() call runs as a consequence of a finally block or __del__ method being called during interpreter shutdown, then in (very) rare cases the variable may have been set to None. But this does not appear to have been the intent behind making the imports local. More importantly, a local import should not be expected to succeed, or the imported module usable, in such a situation.

Conceptually unrelated to this, it looks like the newly released version of black fails to install on Cygwin in the test-cygwin.yml workflow. I expect failures from that workflow for this reason. Although unrelated, there is of course no rush on this PR, and if that does happen, it would prevent any Cygwin tests from running until a fix or workaround is applied. If that is fixed first, this PR could be rebased. If this problem doesn't happen, then it is resolved or somehow specific to the setup in my fork and on my local machine, in which case probably nothing has to be done about it.

The gc module was already imported at module scope in git/repo/base.py, since f1a82e4 (gitpython-developers#555). Importing the top-level git module or any submodule of it runs that import statement. Because the gc module is already imported, reimporting it is fast. Imports that there is no specific reason to do locally should be at module scope. Having them local decreased readability, in part because of how black inserts a black line between them and gc.collect() calls they are imported to allow. An alternative to this change would be to remove the preexisting top-level "import gc" (there is also another one in the test suite) and replace it with a local import as well. I am unsure if that would affect performance and, if so, whether the effect would be good or bad, since the small delay of the import might potentially be less desirable to an applicaion if it occurs while the work of the application is already in progress. If a gc.collect() call runs as a consequence of a finally block or __del__ method being called during interpreter shutdown, then in (very) rare cases the variable may have been set to None. But this does not appear to have been the intent behind making the imports local. More importantly, a local import should not be expected to succeed, or the imported module usable, in such a situation.

Byron

Thanks a lot for the cleanup!

It looks like cygwin is now broken, which is a little strange as I would expect them to test on cygwin. Maybe that implies it's something to be fixed here?

In any case, it seems like no PR can be merged if this cygwin failure is now a common occurrence, but maybe they will fix it soon enough and sitting it out is the best way of handling this.

EliahKagan · 2023-12-12T13:14:42Z

In any case, it seems like no PR can be merged if this cygwin failure is now a common occurrence, but maybe they will fix it soon enough and sitting it out is the best way of handling this.

I have no objection to waiting. However, my guess is that the cause is sufficiently weird that a fix may take a while. I also somewhat doubt much testing is done on Cygwin. Since, as is expected to be the case for ruff, it's probably not necessary to install black on Cygwin at all. I've proposed this in #1766, with a more detailed rationale and information on the problem.

Byron · 2023-12-12T13:58:32Z

Thanks a lot! With the black-fix PR merged and in main, I think merging this PR will be fine.

Like the xfail was, this is conditional, being done only in the specific situation the PermissionError occurs. Besides that it does not always run even on Windows (only in 3.12 and later), this resembles various other conditional and non-conditional gc.collect calls. It had previously appeared to me that two calls to gc.collect were required, but I am unable to reproduce that. It may have been specific to how I was running it on my system at that time. The need for only one call may have been brought about by changes to the code in the mean time, but I have tested that only one call appears required even without the changes in gitpython-developers#1765.

In gitpython-developers#1765, I missed one, somehow. This fixes that.

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 Additional commits viewable in compare view You can trigger a rebase of this PR by commenting @dependabot rebase. 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[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) 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/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/GitPython/3.1.41?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/GitPython/3.1.40/3.1.41?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/GitPython/3.1.40/3.1.41?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- > [!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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@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 [@EliahKagan](https://github.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1792](https://github.com/gitpython-developers/GitPython/pull/1792) #### New Contributors - [@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) - [@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> --- ### Configuration 📅 **Schedule**: Branch creation - "" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. 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Byron approved these changes Dec 12, 2023

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EliahKagan mentioned this pull request Dec 12, 2023

Don't install black on Cygwin #1766

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Byron merged commit 0fa0047 into gitpython-developers:main Dec 12, 2023
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EliahKagan deleted the gc-imports branch December 12, 2023 14:06

EliahKagan mentioned this pull request Dec 12, 2023

Replace xfail with gc.collect in TestSubmodule.test_rename #1767

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EliahKagan added a commit to EliahKagan/GitPython that referenced this pull request Dec 12, 2023

Extract remaining local "import gc" to module level

96cae00

In gitpython-developers#1765, I missed one, somehow. This fixes that.

EliahKagan mentioned this pull request Dec 12, 2023

Extract remaining local "import gc" to module level #1768

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Extract all "import gc" to module level #1765

Extract all "import gc" to module level #1765

EliahKagan commented Dec 12, 2023 •

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Byron commented Dec 12, 2023

Extract all "import gc" to module level #1765

Extract all "import gc" to module level #1765

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EliahKagan commented Dec 12, 2023 •

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