Ignore cache bundle failure if it already exists in the package cache.

Fixes 6848

3 files changed, 43 insertions, 9 deletions

diff --git a/src/burn/engine/cache.cpp b/src/burn/engine/cache.cpp
index 01237162..251cd24b 100644
--- a/src/burn/engine/cache.cpp
+++ b/src/burn/engine/cache.cpp
@@ -1000,8 +1000,6 @@ extern "C" HRESULT CacheCompleteBundle(
     BOOL fPathEqual = FALSE;
     LPWSTR sczTargetDirectory = NULL;
     LPWSTR sczTargetPath = NULL;
-    LPWSTR sczSourceDirectory = NULL;
-    LPWSTR sczPayloadSourcePath = NULL;
 
     hr = CreateCompletedPath(pCache, fPerMachine, wzBundleId, NULL, &sczTargetDirectory);
     ExitOnFailure(hr, "Failed to create completed cache path for bundle.");
@@ -1028,18 +1026,18 @@ extern "C" HRESULT CacheCompleteBundle(
     FileRemoveFromPendingRename(sczTargetPath); // best effort to ensure bundle is not deleted from cache post restart.
 
     hr = FileEnsureCopyWithRetry(wzSourceBundlePath, sczTargetPath, TRUE, FILE_OPERATION_RETRY_COUNT, FILE_OPERATION_RETRY_WAIT);
+    if (FAILED(hr) && FileExistsEx(sczTargetPath, NULL))
+    {
+        LogId(REPORT_WARNING, MSG_IGNORING_CACHE_BUNDLE_FAILURE, hr);
+        ExitFunction1(hr = S_OK);
+    }
     ExitOnFailure(hr, "Failed to cache bundle from: '%ls' to '%ls'", wzSourceBundlePath, sczTargetPath);
 
     // Reset the path permissions in the cache.
     hr = ResetPathPermissions(fPerMachine, sczTargetPath);
     ExitOnFailure(hr, "Failed to reset permissions on cached bundle: '%ls'", sczTargetPath);
 
-    hr = PathGetDirectory(wzSourceBundlePath, &sczSourceDirectory);
-    ExitOnFailure(hr, "Failed to get directory from engine working path: %ls", wzSourceBundlePath);
-
 LExit:
-    ReleaseStr(sczPayloadSourcePath);
-    ReleaseStr(sczSourceDirectory);
     ReleaseStr(sczTargetPath);
     ReleaseStr(sczTargetDirectory);
 
diff --git a/src/burn/engine/engine.mc b/src/burn/engine/engine.mc
index cebd1325..39aea60e 100644
--- a/src/burn/engine/engine.mc
+++ b/src/burn/engine/engine.mc
@@ -862,6 +862,13 @@ Language=English
 Cached non-vital package: %1!ls!, encountered error: 0x%2!x!. Continuing...
 .
 
+MessageId=345
+Severity=Warning
+SymbolicName=MSG_IGNORING_CACHE_BUNDLE_FAILURE
+Language=English
+Ignoring failure to cache bundle because the file already exists, encountered error: 0x%1!x!. Continuing...
+.
+
 MessageId=346
 Severity=Warning
 SymbolicName=MSG_CACHE_RETRYING_PACKAGE
diff --git a/src/test/burn/WixToolsetTest.BurnE2E/CacheTests.cs b/src/test/burn/WixToolsetTest.BurnE2E/CacheTests.cs
index e5e3259f..afc3fc10 100644
--- a/src/test/burn/WixToolsetTest.BurnE2E/CacheTests.cs
+++ b/src/test/burn/WixToolsetTest.BurnE2E/CacheTests.cs
@@ -204,6 +204,35 @@ namespace WixToolsetTest.BurnE2E
         }
 
         [RuntimeFact]
+        public void CanHandleCachedBundleInPackageCacheInUse()
+        {
+            var packageA = this.CreatePackageInstaller("PackageA");
+            var packageB = this.CreatePackageInstaller("PackageB");
+            var bundleA = this.CreateBundleInstaller("BundleA");
+
+            bundleA.Install();
+
+            var registration = bundleA.VerifyRegisteredAndInPackageCache();
+            var cachedBundlePath = registration.CachePath;
+
+            packageA.VerifyInstalled(true);
+            packageB.VerifyInstalled(true);
+
+            // Lock the bundle file in the package cache.
+            string modifyLogPath;
+            using (FileStream lockTargetFile = new FileStream(cachedBundlePath, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
+            {
+                modifyLogPath = bundleA.Modify();
+            }
+
+            bundleA.VerifyRegisteredAndInPackageCache();
+            packageA.VerifyInstalled(true);
+            packageB.VerifyInstalled(true);
+
+            Assert.True(LogVerifier.MessageInLogFile(modifyLogPath, "w345: Ignoring failure to cache bundle because the file already exists, encountered error: 0x80070020. Continuing..."));
+        }
+
+        [RuntimeFact]
         public void CanGetEngineWorkingDirectoryFromCommandLine()
         {
             var bundleA = this.CreateBundleInstaller("BundleA");
@@ -215,7 +244,7 @@ namespace WixToolsetTest.BurnE2E
             {
                 var baseTempPath = dfs.GetFolder(true);
                 var logPath = bundleA.Install(0, $"-burn.engine.working.directory=\"{baseTempPath}\"");
-                LogVerifier.MessageInLogFileRegex(logPath, $"Burn x86 v4.*, Windows v.* \\(Build .*: Service Pack .*\\), path: {baseTempPath.Replace("\\", "\\\\")}\\\\.*\\\\.cr\\\\BundleA.exe");
+                Assert.True(LogVerifier.MessageInLogFileRegex(logPath, $"Burn x86 v4.*, Windows v.* \\(Build .*: Service Pack .*\\), path: {baseTempPath.Replace("\\", "\\\\")}\\\\.*\\\\.cr\\\\BundleA.exe"));
             }
         }
 
@@ -251,7 +280,7 @@ namespace WixToolsetTest.BurnE2E
                     }
 
                     var logPath = bundleA.Install();
-                    LogVerifier.MessageInLogFileRegex(logPath, $"Burn x86 v4.*, Windows v.* \\(Build .*: Service Pack .*\\), path: {baseTempPath.Replace("\\", "\\\\")}\\\\.*\\\\.cr\\\\BundleA.exe");
+                    Assert.True(LogVerifier.MessageInLogFileRegex(logPath, $"Burn x86 v4.*, Windows v.* \\(Build .*: Service Pack .*\\), path: {baseTempPath.Replace("\\", "\\\\")}\\\\.*\\\\.cr\\\\BundleA.exe"));
                 }
             }
             finally