correctly handle `uname-cmd` that doesn't point to an executable file#2026

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gcmarx wants to merge 16 commits intogitpython-developers:mainfrom

Commits on May 21, 2025

add tests for is_cygwin_git
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ec00872
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check for the existence/execute bit on the uname command before trying to run it
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de5e57c
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adding self to authors
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428be1a
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Commits on May 22, 2025

Revert "check for the existence/execute bit on the uname command before trying to run it"
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gcmarx
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58ff723
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use pathlib.Path instead of os.path.isfile
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7187984
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don't keep checking if sys.platform isn't 'cygwin'
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3f5a942
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check that uname_cmd points to a file; if uname_cmd were a directory, it could both exist and have os.X_OK but not work
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226f4ff
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don't use match-case, since it's a 3.10 feature
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it's is_file(), not isfile()
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turns out f-strings before 3.8 don't support {variable=} notation, take that out
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Commits on May 27, 2025

add self to AUTHORS, add Emacs tempfiles to .gitignore
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36a893b
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use `strings` instead of `uname` to detect cygwin
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debug printing
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Commits on May 28, 2025

Revert "debug printing"
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58f7710
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Revert "use `strings` instead of `uname` to detect cygwin"
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incorporate review feedback from @EliahKagan
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