add setting of "DOTNET_HOST_PATH" env variable (#235)

microsoft · Aug 25, 2023 · 4ed1bab · 4ed1bab
1 parent 7aabcd9
commit 4ed1bab
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/MSBuildLocator/DotNetSdkLocationHelper.cs b/src/MSBuildLocator/DotNetSdkLocationHelper.cs
@@ -211,6 +211,8 @@ private static string ResolveDotnetPath()
                 throw new InvalidOperationException("Could not find the dotnet executable. Is it set on the DOTNET_ROOT?");
             }
 
+            SetEnvironmentVariableIfEmpty("DOTNET_HOST_PATH", dotnetPath);
+
             return dotnetPath;
         }
 
@@ -285,6 +287,14 @@ private static string[] GetAllAvailableSDKs()
             return string.IsNullOrEmpty(dotnetPath) ? null : ValidatePath(dotnetPath);
         }
 
+        private static void SetEnvironmentVariableIfEmpty(string name, string value)
+        {
+            if (string.IsNullOrEmpty(Environment.GetEnvironmentVariable(name)))
+            {
+                Environment.SetEnvironmentVariable(name, value);
+            }
+        }
+
         private static string? ValidatePath(string dotnetPath)
         {
             string fullPathToDotnetFromRoot = Path.Combine(dotnetPath, ExeName);