From ce7b865cf7a90f6187bcb9419fbc616f869baeb5 Mon Sep 17 00:00:00 2001
From: hjk <hjk@qt.io>
Date: Fri, 6 Jan 2023 08:37:03 +0100
Subject: [PATCH] QmlPreview: Robustify preview runner a bit

Don't rely on qobject_cast not returning null for eternity.

Change-Id: I0adede2f05a27e4f98ee47e737af38732f1e4c31
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
---
 src/plugins/qmlpreview/qmlpreviewruncontrol.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp b/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp
index 0f45914bbe6..03b6d3d2e80 100644
--- a/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp
+++ b/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp
@@ -115,14 +115,15 @@ public:
             CommandLine cmd = commandLine();
 
             if (const auto aspect = runControl->aspect<QmlProjectManager::QmlMainFileAspect>()) {
-                const auto currentTarget = runControl->target();
-                const auto qmlBuildSystem = qobject_cast<QmlProjectManager::QmlBuildSystem *>(currentTarget->buildSystem());
+                const auto qmlBuildSystem = qobject_cast<QmlProjectManager::QmlBuildSystem *>(
+                    runControl->target()->buildSystem());
+                QTC_ASSERT(qmlBuildSystem, return);
 
                 const QString mainScript = aspect->mainScript;
                 const QString currentFile = aspect->currentFile;
 
                 const QString mainScriptFromProject = qmlBuildSystem->targetFile(
-                    FilePath::fromString(mainScript)).toString();
+                    FilePath::fromString(mainScript)).path();
 
                 QStringList qmlProjectRunConfigurationArguments = cmd.splitArguments();