1 files changed, 67 insertions, 0 deletions
diff --git a/case.diff b/case.diff
new file mode 100644
index 000000000000..d01b5da0d8bf
--- /dev/null
+++ b/case.diff
@@ -0,0 +1,67 @@
+--- a/src/Common/unix/FileStream_unix.cpp
++++ b/src/Common/unix/FileStream_unix.cpp
+@@ -1,5 +1,31 @@
+ #include "Common/unix/FileStream_unix.h"
+ 
++std::optional<fs::path> findPathCI(const fs::path& path)
++{
++	if (fs::exists(path)) return path;
++	if (!path.has_parent_path()) return {};
++	auto parrentPath = path.parent_path();
++	if (!fs::exists(parrentPath))
++	{
++		auto tempParrentPath = findPathCI(parrentPath);
++		if (tempParrentPath.has_value())
++			parrentPath = std::move(tempParrentPath.value());
++		else
++			return {};
++	}
++	std::string fName = path.filename().string();
++	if (fs::exists(parrentPath))
++		for (auto&& dirEntry : fs::directory_iterator(parrentPath))
++		{
++			std::string dirFName = dirEntry.path().filename().string();
++			if (boost::iequals(dirFName, fName))
++			{
++				return dirEntry;
++			}
++		}
++	return parrentPath / fName;
++}
++
+ FileStream* FileStream::openFile(std::string_view path)
+ {
+ 	return openFile2(path, false);
+@@ -13,7 +39,7 @@ FileStream* FileStream::openFile(const wchar_t* path, bool allowWrite)
+ FileStream* FileStream::openFile2(const fs::path& path, bool allowWrite)
+ {
+ 	//return openFile(path.generic_wstring().c_str(), allowWrite);
+-	FileStream* fs = new FileStream(path, true, allowWrite);
++	FileStream* fs = new FileStream(findPathCI(path).value_or(path), true, allowWrite);
+ 	if (fs->m_isValid)
+ 		return fs;
+ 	delete fs;
+@@ -32,7 +58,7 @@ FileStream* FileStream::createFile(std::string_view path)
+ 
+ FileStream* FileStream::createFile2(const fs::path& path)
+ {
+-	FileStream* fs = new FileStream(path, false, false);
++	FileStream* fs = new FileStream(findPathCI(path).value_or(path), false, false);
+ 	if (fs->m_isValid)
+ 		return fs;
+ 	delete fs;
+@@ -190,12 +216,12 @@ FileStream::FileStream(const fs::path& path, bool isOpen, bool isWriteable)
+ {
+ 	if (isOpen)
+ 	{
+-		m_fileStream.open(path, isWriteable ? (std::ios_base::in | std::ios_base::out | std::ios_base::binary) : (std::ios_base::in | std::ios_base::binary));
++		m_fileStream.open(findPathCI(path).value_or(path), isWriteable ? (std::ios_base::in | std::ios_base::out | std::ios_base::binary) : (std::ios_base::in | std::ios_base::binary));
+ 		m_isValid = m_fileStream.is_open();
+ 	}
+ 	else
+ 	{
+-		m_fileStream.open(path, std::ios_base::in | std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
++		m_fileStream.open(findPathCI(path).value_or(path), std::ios_base::in | std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
+ 		m_isValid = m_fileStream.is_open();
+ 	}
+ }