Little constification and add --root option to akabei-key

syncoperation.cpp

@@ -415,11 +415,11 @@ void SyncOperation::updateNextDatabase()
     db->update(forceDbUpdate);
 }
 
-void SyncOperation::databaseErrorTriggered(Akabei::Error::List errors)
+void SyncOperation::databaseErrorTriggered(const Akabei::Error::List &errors)
 {
     QTextStream err(stderr);
     QString message = Akabei::errorPrefix + QObject::tr("There has been an error while updating %1:").arg( static_cast<AkabeiClient::DatabaseHandler*>(QObject::sender())->name() );
-    foreach (Akabei::Error error, errors)
+    foreach (const Akabei::Error &error, errors)
         message.append(' ' + error.description());
 
     err << m_bar.replaceMessage(message) << endl;

syncoperation.h

@@ -34,7 +34,7 @@ private slots:
     void showGroup(QUuid,QList<Akabei::Group*>);
     void databaseStatusChanged(AkabeiClient::DatabaseHandler::Status);
     void databaseProgressChanged(int);
-    void databaseErrorTriggered(Akabei::Error::List);
+    void databaseErrorTriggered(const Akabei::Error::List &);
     void install(QUuid,QList<Akabei::Package*>);
 
     void nextOperation();

tools/akabei-key/main.cpp

@@ -22,7 +22,7 @@
 #define YESNO(x) ((x) == 1 ? QObject::tr("yes") : QObject::tr("no"))
 
 /* Keyring directory */
-const QString AkabeiKeyringDir( "/etc/akabei.d/keyring" );
+QString AkabeiKeyringDir( "/etc/akabei.d/keyring" );
 
 using namespace std;
 
@@ -41,7 +41,7 @@ void printHelp()
     QTextStream out(stdout);
     
     out << QObject::tr(":: akabei-key v2.0 (Akabei).") << endl;
-    out << QObject::tr("usage: akabei-key [op] [args]") << endl;
+    out << QObject::tr("usage: akabei-key [op] [--root /path/to/root] [args]") << endl;
     out << endl;
     
     out << "help, -h, --help" << endl;
@@ -323,9 +323,24 @@ void getFromServer(gpgme_ctx_t ctx, QString id)
 int main(int argc, char **argv)
 {    
     QCoreApplication app(argc, argv);
-    QDir keyring(AkabeiKeyringDir);
     QTextStream out( stdout );
     QTextStream err( stderr );
+        
+    QStringList args = QCoreApplication::arguments();
+    
+    if (args.contains("--root")) {
+        int index = args.indexOf("--root");
+        if (index + 1 >= args.count()) {
+            printHelp();
+            exit(-1);
+        }
+        AkabeiKeyringDir = args[index + 1] + "/etc/akabei.d/keyring";
+        args.removeAt(index);
+        args.removeAt(index);
+    }
+    
+    
+    QDir keyring(AkabeiKeyringDir);
     
     if (!keyring.exists()) {        
         out << QObject::tr(":: akabei-key v2.0 (akabei)") << endl;
@@ -347,8 +362,8 @@ int main(int argc, char **argv)
         err << QObject::tr("Cannot access keyring files for writing. Run again this script with higher permissions.") << endl;
         exit(-1);
     }
-        
-    QStringList args = QCoreApplication::arguments();
+    
+    
     
     if (args.size() <= 1) {
         printHelp();