Set the log file path for MSI transactions.

1 files changed, 12 insertions, 3 deletions

diff --git a/src/burn/engine/elevation.cpp b/src/burn/engine/elevation.cpp
index 0e1cf0b7..ba6b1dd3 100644
--- a/src/burn/engine/elevation.cpp
+++ b/src/burn/engine/elevation.cpp
@@ -3246,7 +3246,10 @@ static HRESULT OnMsiBeginTransaction(
     hr = PackageFindRollbackBoundaryById(pPackages, sczId, &pRollbackBoundary);
     ExitOnFailure(hr, "Failed to find rollback boundary: %ls", sczId);
 
-    pRollbackBoundary->sczLogPath = sczLogPath;
+    if (sczLogPath && *sczLogPath)
+    {
+        pRollbackBoundary->sczLogPath = sczLogPath;
+    }
 
     hr = MsiEngineBeginTransaction(pRollbackBoundary);
 
@@ -3284,7 +3287,10 @@ static HRESULT OnMsiCommitTransaction(
     hr = PackageFindRollbackBoundaryById(pPackages, sczId, &pRollbackBoundary);
     ExitOnFailure(hr, "Failed to find rollback boundary: %ls", sczId);
 
-    pRollbackBoundary->sczLogPath = sczLogPath;
+    if (sczLogPath && *sczLogPath)
+    {
+        pRollbackBoundary->sczLogPath = sczLogPath;
+    }
 
     hr = MsiEngineCommitTransaction(pRollbackBoundary);
 
@@ -3322,7 +3328,10 @@ static HRESULT OnMsiRollbackTransaction(
     hr = PackageFindRollbackBoundaryById(pPackages, sczId, &pRollbackBoundary);
     ExitOnFailure(hr, "Failed to find rollback boundary: %ls", sczId);
 
-    pRollbackBoundary->sczLogPath = sczLogPath;
+    if (sczLogPath && *sczLogPath)
+    {
+        pRollbackBoundary->sczLogPath = sczLogPath;
+    }
 
     hr = MsiEngineRollbackTransaction(pRollbackBoundary);