From 13dbd0241e369af31f665794a0895da081713e27 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Sim=C3=B5es?= <jose.simoes@eclo.solutions>
Date: Mon, 22 Aug 2022 23:19:59 +0100
Subject: [PATCH] Fix discovery of booter and CLR path

---
 nanoFirmwareFlasher.Library/FirmwarePackage.cs | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/nanoFirmwareFlasher.Library/FirmwarePackage.cs b/nanoFirmwareFlasher.Library/FirmwarePackage.cs
index 16ded79b..58d9d770 100644
--- a/nanoFirmwareFlasher.Library/FirmwarePackage.cs
+++ b/nanoFirmwareFlasher.Library/FirmwarePackage.cs
@@ -33,7 +33,7 @@ public abstract class FirmwarePackage : IDisposable
         private readonly bool _preview;
 
         private const string _readmeContent = "This folder contains nanoFramework firmware files. Can safely be removed.";
-        
+
         /// <summary>
         /// Path with the base location for firmware packages.
         /// </summary>
@@ -681,7 +681,13 @@ private void FindBooterStartAddress()
         {
             uint address;
 
-            // find out what's the CLR block start
+            if (string.IsNullOrEmpty(NanoClrFile))
+            {
+                // nothing to do here
+                return;
+            }
+
+            // find out what's the booter block start
 
             // do this by reading the HEX format file...
             var textLines = File.ReadAllLines(NanoBooterFile);
@@ -730,6 +736,12 @@ private void FindClrStartAddress()
         {
             uint address;
 
+            if (string.IsNullOrEmpty(NanoClrFile))
+            {
+                // nothing to do here
+                return;
+            }
+
             // find out what's the CLR block start
 
             // do this by reading the HEX format file...