Windows path compare fails inside git repo

[spoorcc]

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On Windows, when installing something from a cwd that is cased differently than the git repo the following assertion fails:

https://github.com/pypa/setuptools_scm/blob/e9cbb5a68b3ae6d5c549bda293ef60bb5ec8ec7e/src/setuptools_scm/_file_finders/git.py#L40

Similar to #89 (see https://github.com/pypa/setuptools_scm/issues/89#issuecomment-225456801 )

• Given a git project in my_repo on Windows
• And some path my_repo/CasedDir with a pyproject.toml
• And you navigate there using lowercase: cd my_repo/caseddir
• And cwd will be my_repo/caseddir
• When you build something python -m build
• Then the assert will fail

[RonnyPfannschmidt]

thanks for bringing this to attention i think this needs a new testcase for non-normalized paths (both windows and osx)