From 2e5cc7508a9bfa1010def62ebf5b72cf7bf78927 Mon Sep 17 00:00:00 2001
From: Floris Bos <bos@je-eigen-domein.nl>
Date: Thu, 18 Nov 2021 12:21:24 +0100
Subject: [PATCH] Linux (as root): FAT32 format: wait for FAT partition after
 sfdisk

The FAT partition /dev node is supposed to be already available
after running partprobe, but since there is a user report that
is not always the case, double check and delay if necessary.

Closes #237
---
 driveformatthread.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/driveformatthread.cpp b/driveformatthread.cpp
index bf34d03..67ca49b 100644
--- a/driveformatthread.cpp
+++ b/driveformatthread.cpp
@@ -187,6 +187,18 @@ void DriveFormatThread::run()
     }
 
     proc.execute("partprobe", QStringList() );
+    for (int tries = 0; tries < 30; tries++)
+    {
+        if (QFile::exists(fatpartition))
+            break;
+
+        QThread::msleep(100);
+    }
+    if (!QFile::exists(fatpartition))
+    {
+        emit error(tr("Partitioning did not create expected FAT partition %1").arg(QString(fatpartition)));
+        return;
+    }
 
     args.clear();
     args << fatpartition;