file system
case sensitive
fsutil.exe file queryCaseSensitiveInfo C:\e\es\bin
Case sensitive attribute on directory C:\e\es\bin is disabled.
fsutil.exe file SetCaseSensitiveInfo C:\folder\path disable
fsutil.exe file setCaseSensitiveInfo <path> enable
fsutil.exe file setCaseSensitiveInfo <path> disable
git config core.ignorecase false
git config core.ignorecase true