NOISSUE add linux distro name and release stats to analytics

Hopefully this can serve as some sort of guideline for focusing
effort towards the right distro packages to make.

libraries/systeminfo/include/distroutils.h

@@ -0,0 +1,23 @@
+#include "sys.h"
+#include <QString>
+
+namespace Sys {
+struct LsbInfo
+{
+	QString distributor;
+	QString version;
+	QString description;
+	QString codename;
+};
+
+bool main_lsb_info(LsbInfo & out);
+bool fallback_lsb_info(Sys::LsbInfo & out);
+void lsb_postprocess(Sys::LsbInfo & lsb, Sys::DistributionInfo & out);
+Sys::DistributionInfo read_lsb_release();
+
+QString _extract_distribution(const QString & x);
+QString _extract_version(const QString & x);
+Sys::DistributionInfo read_legacy_release();
+
+Sys::DistributionInfo read_os_release();
+}

libraries/systeminfo/include/sys.h

@@ -12,6 +12,35 @@ struct KernelInfo
 
 KernelInfo getKernelInfo();
 
+struct DistributionInfo
+{
+	DistributionInfo operator+(const DistributionInfo& rhs) const
+	{
+		DistributionInfo out;
+		if(!distributionName.isEmpty())
+		{
+			out.distributionName = distributionName;
+		}
+		else
+		{
+			out.distributionName = rhs.distributionName;
+		}
+		if(!distributionVersion.isEmpty())
+		{
+			out.distributionVersion = distributionVersion;
+		}
+		else
+		{
+			out.distributionVersion = rhs.distributionVersion;
+		}
+		return out;
+	}
+	QString distributionName;
+	QString distributionVersion;
+};
+
+DistributionInfo getDistributionInfo();
+
 uint64_t getSystemRam();
 
 bool isSystem64bit();