Regenerate generated files automatically if any are changed

[CoolCat467]

Making true on #2835 (comment), in this pull request I add a local pre-commit hook that automatically regenerates all the generated files if either the generated file itself or the files used to create them are edited. The only one it doesn't match at the moment is gen_exports.py itself, and I could add this if needed.

[codecov]

Codecov Report

Attention: Patch coverage is 91.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 99.63%. Comparing base (6fad505) to head (ce58a36).
Report is 10 commits behind head on main.

Files	Patch %	Lines
src/trio/_tools/gen_exports.py	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3050      +/-   ##
==========================================
- Coverage   99.63%   99.63%   -0.01%     
==========================================
  Files         121      121              
  Lines       17839    17848       +9     
  Branches     3206     3208       +2     
==========================================
+ Hits        17774    17782       +8     
  Misses         46       46              
- Partials       19       20       +1     

Files	Coverage Δ
src/trio/_tests/tools/test_gen_exports.py	100.00% <100.00%> (ø)
src/trio/_tools/gen_exports.py	98.31% <75.00%> (-0.82%)	⬇️

[A5rocks]

Tbh you can probably add uv pre-commit to keep those up to date too, just not have it with updating flags

[CoolCat467]

Tbh you can probably add uv pre-commit to keep those up to date too, just not have it with updating flags

I'm afraid I don't quite understand what you mean by this. As far as I am aware, regenerating the generated code files doesn't have anything to do with uv, right?

[A5rocks]

Tbh you can probably add uv pre-commit to keep those up to date too, just not have it with updating flags

I'm afraid I don't quite understand what you mean by this. As far as I am aware, regenerating the generated code files doesn't have anything to do with uv, right?

Sorry, was referring to the generated requirements files. I guess that could be another PR.