From 4245d89a67aadd50f6e27f667fe2abc8bee2693d Mon Sep 17 00:00:00 2001
From: hjk <hjk@qt.io>
Date: Mon, 7 Jun 2021 12:33:45 +0200
Subject: [PATCH] ProjectExplorer: Show a verbose error message if available

... when a start failed, e.g. due to a inacessible working directory.

Change-Id: Ibcec1c5323c37f1e8f6c9e55439439b24f3b40b1
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
---
 src/plugins/projectexplorer/abstractprocessstep.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/plugins/projectexplorer/abstractprocessstep.cpp b/src/plugins/projectexplorer/abstractprocessstep.cpp
index e73a6352282..6882fe14722 100644
--- a/src/plugins/projectexplorer/abstractprocessstep.cpp
+++ b/src/plugins/projectexplorer/abstractprocessstep.cpp
@@ -338,10 +338,14 @@ void AbstractProcessStep::processFinished(int exitCode, QProcess::ExitStatus sta
 
 void AbstractProcessStep::processStartupFailed()
 {
-    emit addOutput(tr("Could not start process \"%1\" %2")
+    emit addOutput(tr("Could not start process \"%1\" %2.")
                    .arg(d->m_param.effectiveCommand().toUserOutput(),
                         d->m_param.prettyArguments()),
-                   BuildStep::OutputFormat::ErrorMessage);
+                   OutputFormat::ErrorMessage);
+
+    QString err = d->m_process ? d->m_process->errorString() : QString();
+    if (!err.isEmpty())
+        emit addOutput(err, OutputFormat::ErrorMessage);
 }
 
 /*!