Add test coverage for pip build environments in `find_uv_bin`#18095

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zanieb wants to merge 8 commits intomainfrom

zb/pip-build-env

Commits on Mar 13, 2026

Add support for pip build environments in `find_uv_bin`
zanieb
committed
Fix Windows snapshot for setuptools redundant `/./` path components
zanieb
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Fix filter to match backslash path separators on Windows
zanieb
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Use non-overlapping dev drive paths to avoid filter ordering hacks
zanieb
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Extract pip output filters into `with_filtered_pip_output` and trim doc comment
zanieb
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Filter pip output to only assert on FOUND_UV= lines
zanieb
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Address review: remove clone, search only stderr, use insta settings, assert on missing output
zanieb
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Fix clippy: redundant closure and str_as_str unstable feature
zanieb
committed