readSettings()

read ini-file for binary (e.g. ATBUpdateTool, ATBUpdateDC etc).
	1: using optional path
	2: under /etc...
	3: under /opt...

common/include/utils_internal.h

@@ -2,6 +2,8 @@
 #define UTILS_INTERNAL_H_INCLUDED
 
 #include <QString>
+#include <QSettings>
+#include <memory>
 
 namespace internal {
 
@@ -62,13 +64,19 @@ namespace internal {
     static constexpr const int PERCENT_UPDATE_DC{80};
     static constexpr const int PERCENT_SHOW_FINAL_STATUS{90};
 
+    static constexpr const char *DEFAULT_INI_DIR{"/etc/tools/atbupdate/"};
+    static constexpr const char *DEFAULT_INSTALL_DIR{"/opt/app/tools/atbupdate/"};
+
     int read1stLineOfFile(QString fileName);
     QString customerRepoRoot();
     QString customerRepoDir();
+    QString customerRepoDcDir();
     QString customerRepoDirName();
     QString repositoryUrl();
     QString branchName();
     bool customerRepoExists();
+    std::unique_ptr<QSettings> readSettings(QString const &optionalDirName = "");
+    std::unique_ptr<QString> dcCandidateToInstall(QString const &dcDirectory = "");
 }
 
 #endif // UTILS_INTERNAL_H_INCLUDED