rbutil: warn when you install a build for a different target then already installed.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17769 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/install.cpp

@@ -121,6 +121,23 @@ void Install::accept()
     }
     settings->sync();
     
+    int rbTarget = installedTargetId(settings->mountpoint());
+    if(rbTarget != -1 && rbTarget != settings->curTargetId())
+    {
+        if(QMessageBox::question(this, tr("Device mismatch detected"),
+           tr("Device mismatch detected.\n\n" 
+              "Installed Rockbox is for Device: %1.\n"
+              "New Rockbox is for Device: %2.\n\n" 
+              "Do you want to continue?").arg(settings->nameOfTargetId(rbTarget),settings->curName()),
+           QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)
+        {
+            logger->addItem(tr("Aborted!"),LOGERROR);
+            logger->abort();
+            return;
+        }
+    }
+    
+    
     //! check if we should backup
     if(ui.backup->isChecked())
     {

rbutil/rbutilqt/rbsettings.cpp

@@ -370,6 +370,30 @@ QString RbSettings::brand(QString plattform)
     return brand;
 }
 
+QString RbSettings::nameOfTargetId(int id)
+{
+    QString result ="";
+     // get a list of ID -> target name
+    QStringList platforms;
+    devices->beginGroup("platforms");
+    platforms = devices->childKeys();
+    devices->endGroup();
+    for(int i = 0; i < platforms.size(); i++)
+    {
+        devices->beginGroup("platforms");
+        QString target = devices->value(platforms.at(i)).toString();
+        devices->endGroup();
+        devices->beginGroup(target);
+        if(devices->value("targetid").toInt() == id)
+        {
+            result = devices->value("name").toString();
+        }
+        devices->endGroup();
+    }
+    
+    return result;
+}
+
 QMap<int, QString> RbSettings::usbIdMap()
 {
     QMap<int, QString> map;

rbutil/rbutilqt/rbsettings.h

@@ -81,6 +81,7 @@ class RbSettings : public QObject
         QString name(QString plattform);
         QString brand(QString plattform);
         QStringList allLanguages();
+        QString nameOfTargetId(int id);
         QMap<int, QString> usbIdMap();
         QMap<int, QString> usbIdErrorMap();
         QMap<int, QString> usbIdIncompatMap();

rbutil/rbutilqt/rbutilqt.cpp

@@ -474,8 +474,25 @@ bool RbUtilQt::installAuto()
 
     QString myversion = "r" + versmap.value("bleed_rev");
     
-    //! check if rockbox is already installed
+    // check installed Version and Target
     QString rbVersion = installedVersion(settings->mountpoint()); 
+    int rbTarget = installedTargetId(settings->mountpoint());
+    if(rbTarget != -1 && rbTarget != settings->curTargetId())
+    {
+        if(QMessageBox::question(this, tr("Target mismatch detected"),
+           tr("Target mismatch detected. \n\n"
+              "Installed target: %1.\n"
+              "New Target: %2.\n\n"
+              "Do you want to continue?").arg(settings->nameOfTargetId(rbTarget),settings->curName()),
+           QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)
+        {
+            logger->addItem(tr("Aborted!"),LOGERROR);
+            logger->abort();
+            return false;
+        }
+    }
+    
+    // check version
     if(rbVersion != "")
     {
         if(QMessageBox::question(this, tr("Installed Rockbox detected"),

rbutil/rbutilqt/utils.cpp

@@ -180,6 +180,28 @@ QString installedVersion(QString mountpoint)
     return "";
 }
 
+int installedTargetId(QString mountpoint)
+{
+   // read rockbox-info.txt
+    QFile info(mountpoint +"/.rockbox/rockbox-info.txt");
+    if(!info.open(QIODevice::ReadOnly))
+    {
+        return -1;
+    }
+    
+    QString target, features,version;
+    while (!info.atEnd()) {
+        QString line = info.readLine();
+        
+        if(line.contains("Target id:"))
+        {
+            return line.remove("Target id:").trimmed().toInt();
+        }        
+    }
+    info.close();
+    return -1;
+
+}
 
 QString getUserName(void)
 {

rbutil/rbutilqt/utils.h

@@ -38,6 +38,7 @@ QString resolvePathCase(QString path);
 
 QUrl systemProxy(void);
 QString installedVersion(QString mountpoint);
+int installedTargetId(QString mountpoint);
 
 #endif