using an environment variable to obtain the plugin files

test.cpp

void PluginManager::load()
{

    QStringList pluginsDirs = QProcessEnvironment::systemEnvironment().value("DDE_POLKIT_PLUGINS_DIRS").split(':');
    pluginsDirs.append("/usr/lib/polkit-1-dde/plugins/");

    for (const QString &dirName : pluginsDirs) {
        QDir dir(dirName);

        QFileInfoList pluginFiles = dir.entryInfoList((QStringList("*.so")));

        for (const QFileInfo &pluginFile : pluginFiles) {
            AgentExtension *plugin = loadFile(pluginFile.absoluteFilePath());
            if (plugin)
                m_plugins << plugin;
        }
    }
}

In the form of a patch:

modified   pluginmanager.cpp
@@ -34,13 +34,19 @@ QList<QButtonGroup*> PluginManager::reduceGetOptions(const QString &actionID)
 void PluginManager::load()
 {
 
-    QDir dir("/usr/lib/polkit-1-dde/plugins/");
-    QFileInfoList pluginFiles = dir.entryInfoList((QStringList("*.so")));
+    QStringList pluginsDirs = QProcessEnvironment::systemEnvironment().value("DDE_POLKIT_PLUGINS_DIRS").split(':');
+    pluginsDirs.append("/usr/lib/polkit-1-dde/plugins/");
 
-    for (const QFileInfo &pluginFile : pluginFiles) {
-       AgentExtension *plugin = loadFile(pluginFile.absoluteFilePath());
-       if (plugin)
-           m_plugins << plugin;
+    for (const QString &dirName : pluginsDirs) {
+        QDir dir(dirName);
+
+        QFileInfoList pluginFiles = dir.entryInfoList((QStringList("*.so")));
+
+        for (const QFileInfo &pluginFile : pluginFiles) {
+            AgentExtension *plugin = loadFile(pluginFile.absoluteFilePath());
+            if (plugin)
+                m_plugins << plugin;
+        }
     }
 }