From 3bb44dc1c34e27e83790bfbcf219d24424f939ee Mon Sep 17 00:00:00 2001
From: Tobias Hunger <tobias.hunger@qt.io>
Date: Mon, 2 Mar 2020 13:51:52 +0100
Subject: [PATCH] Nim: Fix nim trying to parse several times

Prevent Nim from starting to parse several times simultaniously.

Change-Id: I45dd747419585506a0c0e10af8171fdfb4d6eb6b
Reviewed-by: hjk <hjk@qt.io>
---
 src/plugins/nim/project/nimblebuildsystem.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/plugins/nim/project/nimblebuildsystem.cpp b/src/plugins/nim/project/nimblebuildsystem.cpp
index 537000e357e..ecfec5d3b05 100644
--- a/src/plugins/nim/project/nimblebuildsystem.cpp
+++ b/src/plugins/nim/project/nimblebuildsystem.cpp
@@ -134,7 +134,12 @@ NimbleBuildSystem::NimbleBuildSystem(Target *target)
 
 void NimbleBuildSystem::triggerParsing()
 {
-    m_guard = guardParsingRun();
+    // Only allow one parsing run at the same time:
+    auto guard = guardParsingRun();
+    if (!guard.guardsProject())
+        return;
+    m_guard = std::move(guard);
+
     m_projectScanner.startScan();
 }