Added sameFilesInDirs(): check for two different directories if the contain the

same files (comparison by name and by git-blob).

utils.h

@@ -7,6 +7,7 @@
 #include <QFile>
 #include <QFileInfo>
 #include <QDateTime>
+#include <QDir>
 
 namespace Utils {
     int read1stLineOfFile(QString fileName);
@@ -16,6 +17,8 @@ namespace Utils {
     void printLineEditInfo(QStringList const &lines);
     QString getTariffLoadTime(QString fileName);
     QString rstrip(QString const &str);
+    bool sameFilesInDirs(QDir const &dir1, QDir const &dir2,
+                         QStringList const &nameFilters = {"*.json"});
 }
 
 #endif // UTILS_H_INCLUDED