From 0fd0f531db8250a121939dc9d453a236b477ae7a Mon Sep 17 00:00:00 2001
From: Bob Arnson <bob@firegiant.com>
Date: Thu, 21 Mar 2019 20:05:15 -0400
Subject: Avoid hang when a .cab is has no files.

---
 src/wixnative/smartcab.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/wixnative/smartcab.cpp b/src/wixnative/smartcab.cpp
index da9087a3..0dff6c94 100644
--- a/src/wixnative/smartcab.cpp
+++ b/src/wixnative/smartcab.cpp
@@ -64,8 +64,11 @@ HRESULT SmartCabCommand(
     hr = CabCBegin(wzCabName, sczCabDir, uiFileCount, uiMaxSize, uiMaxThresh, ct, &hCab);
     ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "failed to initialize cabinet: %ls", wzCabPath);
 
-    hr = CompressFiles(hCab);
-    ExitOnFailure(hr, "failed to compress files into cabinet: %ls", wzCabPath);
+    if (uiFileCount > 0)
+    {
+        hr = CompressFiles(hCab);
+        ExitOnFailure(hr, "failed to compress files into cabinet: %ls", wzCabPath);
+    }
 
     hr = CabCFinish(hCab, CabNamesCallback);
     hCab = NULL; // once finish is called, the handle is invalid.
-- 
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