Revert "No longer generate qt.conf since we use qt_prfxpath now"

Possible workaround for #98, #99, #122

This reverts commit 5df50f332b.

linuxdeployqt/main.cpp

@@ -395,6 +395,7 @@ int main(int argc, char **argv)
         if (deploymentInfo.pluginPath.isEmpty())
             deploymentInfo.pluginPath = QDir::cleanPath(deploymentInfo.qtPath + "/../plugins");
         deployPlugins(appDirPath, deploymentInfo);
+        createQtConf(appDirPath);
     }
 
     if (runStripEnabled)

shared/shared.cpp

@@ -1104,6 +1104,8 @@ void deployPlugins(const AppDirInfo &appDirInfo, const QString &pluginSourcePath
         sourcePath = QDir::cleanPath(qtLibexecPath + "/QtWebEngineProcess");
         destinationPath = QDir::cleanPath(dstLibexec + "/QtWebEngineProcess");
         copyFilePrintStatus(sourcePath, destinationPath);
+        // put qt.conf file next to browser process so it can also make use of our local Qt resources
+        createQtConfForQtWebEngineProcess(dstLibexec);
         // Resources:
         sourcePath = QDir::cleanPath(qtDataPath + "/resources/qtwebengine_resources.pak");
         destinationPath = QDir::cleanPath(dstResources + "/qtwebengine_resources.pak");
@@ -1149,6 +1151,75 @@ void deployPlugins(const AppDirInfo &appDirInfo, const QString &pluginSourcePath
     }
 }
 
+void createQtConf(const QString &appDirPath)
+{
+    // Set Plugins and imports paths. These are relative to QCoreApplication::applicationDirPath()
+    // which is where the main executable resides; see http://doc.qt.io/qt-5/qt-conf.html
+    QByteArray contents = "# Generated by linuxdeployqt\n"
+                          "# https://github.com/probonopd/linuxdeployqt/\n"
+                          "[Paths]\n"
+                          "Plugins = plugins\n"
+                          "Imports = qml\n"
+                          "Qml2Imports = qml\n";
+
+    // Workaround for: https://github.com/probonopd/linuxdeployqt/issues/75
+    if(fhsLikeMode == true){
+    QByteArray contents = "# Generated by linuxdeployqt\n"
+                          "# https://github.com/probonopd/linuxdeployqt/\n"
+                          "[Paths]\n"
+                          "Prefix = ../../\n"
+                          "Plugins = plugins\n"
+                          "Imports = qml\n"
+                          "Qml2Imports = qml\n";	    
+    }
+	
+    QString filePath = appDirPath + "/"; // Is picked up when placed next to the main executable
+    QString fileName = QDir::cleanPath(appBinaryPath + "/../qt.conf");
+
+    QDir().mkpath(filePath);
+
+    QFile qtconf(fileName);
+    if (qtconf.exists() && !alwaysOwerwriteEnabled) {
+
+        LogWarning() << fileName << "already exists, will not overwrite.";
+        LogWarning() << "To make sure the plugins are loaded from the correct location,";
+        LogWarning() << "please make sure qt.conf contains the following lines:";
+        LogWarning() << "[Paths]";
+        LogWarning() << "  Plugins = plugins";
+        return;
+    }
+
+    qtconf.open(QIODevice::WriteOnly);
+    if (qtconf.write(contents) != -1) {
+        LogNormal() << "Created configuration file:" << fileName;
+        LogNormal() << "This file sets the plugin search path to" << appDirPath + "/plugins";
+    }
+}
+
+void createQtConfForQtWebEngineProcess(const QString &appDirPath)
+{
+    QByteArray contents = "# Generated by linuxdeployqt\n"
+                          "# https://github.com/probonopd/linuxdeployqt/\n"
+                          "[Paths]\n"
+                          "Prefix = ../\n";
+    QString filePath = appDirPath + "/";
+    QString fileName = filePath + "qt.conf";
+
+    QDir().mkpath(filePath);
+
+    QFile qtconf(fileName);
+    if (qtconf.exists() && !alwaysOwerwriteEnabled) {
+        LogWarning() << fileName << "already exists, will not overwrite.";
+        return;
+    }
+
+    qtconf.open(QIODevice::WriteOnly);
+    if (qtconf.write(contents) != -1) {
+        LogNormal() << "Created configuration file for Qt WebEngine process:" << fileName;
+        LogNormal() << "This file sets the prefix option to parent directory of browser process executable";
+    }
+}
+
 void deployPlugins(const QString &appDirPath, DeploymentInfo deploymentInfo)
 {
     AppDirInfo applicationBundle;

shared/shared.h

@@ -114,6 +114,8 @@ QList<LibraryInfo> getQtLibraries(const QStringList &lddLines, const QString &ap
 QString copyLibrary(const LibraryInfo &library, const QString path);
 DeploymentInfo deployQtLibraries(const QString &appDirPath, const QStringList &additionalExecutables);
 DeploymentInfo deployQtLibraries(QList<LibraryInfo> libraries,const QString &bundlePath, const QStringList &binaryPaths, bool useLoaderPath);
+void createQtConf(const QString &appDirPath);
+void createQtConfForQtWebEngineProcess(const QString &appDirPath);
 void deployPlugins(const QString &appDirPath, DeploymentInfo deploymentInfo);
 bool deployQmlImports(const QString &appDirPath, DeploymentInfo deploymentInfo, QStringList &qmlDirs);
 void changeIdentification(const QString &id, const QString &binaryPath);