Provide a way to override file name case sensitivity.

Change-Id: I47ed4f590e5f25380c2052fa77eae3f0d315c5d3
Task-number: QTCREATORBUG-13507
Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>

src/libs/utils/hostosinfo.cpp

@@ -38,6 +38,9 @@
 
 using namespace Utils;
 
+Qt::CaseSensitivity HostOsInfo::m_overrideFileNameCaseSensitivity = Qt::CaseSensitive;
+bool HostOsInfo::m_useOverrideFileNameCaseSensitivity = false;
+
 #ifdef Q_OS_WIN
 static WORD hostProcessorArchitecture()
 {
@@ -67,3 +70,14 @@ HostOsInfo::HostArchitecture HostOsInfo::hostArchitecture()
     return HostOsInfo::HostArchitectureUnknown;
 #endif
 }
+
+void HostOsInfo::setOverrideFileNameCaseSensitivity(Qt::CaseSensitivity sensitivity)
+{
+    m_useOverrideFileNameCaseSensitivity = true;
+    m_overrideFileNameCaseSensitivity = sensitivity;
+}
+
+void HostOsInfo::unsetOverrideFileNameCaseSensitivity()
+{
+    m_useOverrideFileNameCaseSensitivity = false;
+}

src/libs/utils/hostosinfo.h

@@ -64,9 +64,14 @@ public:
         return hostOsAspects().withExecutableSuffix(executable);
     }
 
+    static void setOverrideFileNameCaseSensitivity(Qt::CaseSensitivity sensitivity);
+    static void unsetOverrideFileNameCaseSensitivity();
+
     static Qt::CaseSensitivity fileNameCaseSensitivity()
     {
-        return hostOsAspects().fileNameCaseSensitivity();
+        return m_useOverrideFileNameCaseSensitivity
+                ? m_overrideFileNameCaseSensitivity
+                : hostOsAspects().fileNameCaseSensitivity();
     }
 
     static QChar pathListSeparator()
@@ -81,6 +86,9 @@ public:
 
 private:
     static OsSpecificAspects hostOsAspects() { return OsSpecificAspects(hostOs()); }
+
+    static Qt::CaseSensitivity m_overrideFileNameCaseSensitivity;
+    static bool m_useOverrideFileNameCaseSensitivity;
 };
 
 

src/tools/qtcreatorcrashhandler/qtcreatorcrashhandler.pro

@@ -12,6 +12,7 @@ SOURCES += \
     ../../libs/utils/checkablemessagebox.cpp \
     ../../libs/utils/environment.cpp \
     ../../libs/utils/fileutils.cpp \
+    ../../libs/utils/hostosinfo.cpp \
     ../../libs/utils/savefile.cpp
 
 
@@ -24,6 +25,7 @@ HEADERS += \
     ../../libs/utils/checkablemessagebox.h \
     ../../libs/utils/environment.h \
     ../../libs/utils/fileutils.h \
+    ../../libs/utils/hostosinfo.h \
     ../../libs/utils/savefile.h
 
 FORMS += \