Not overwriting log files when retrying to execute a package

Creating a new log file with a '_' appended to the previous file name before the extension

Author: nirbar

Readme.md

@@ -34,6 +34,7 @@
 - wixstdba: Specifying "-forcerestart' on the command line forces reboot at the end of the installation
 - Changes by WiX up to git commit 376423b8101f4b59ee865e8a255cfe190fa5a7f1
 - Build for .NET Framework 4.0
+- Not overwriting log files when retrying to execute a package
 
 # WiX Toolset on GitHub
 The WiX Toolset builds Windows installation packages from XML source code. The toolset supports a command-line environment that developers may integrate into their build processes to build Windows Installer (MSI) packages and executable bundles. The WiX GitHub project hosts the WiX source code Git repositories. The following links will take you to more details:

src/burn/engine/apply.cpp

@@ -1883,6 +1883,12 @@ static HRESULT DoExecuteAction(
 
     do
     {
+        if (fRetry)
+        {
+            LoggingPromoteLogFile(pExecuteAction, &pEngineState->variables);
+            fRetry = FALSE;
+        }
+        
         switch (pExecuteAction->type)
         {
         case BURN_EXECUTE_ACTION_TYPE_CHECKPOINT:

src/burn/engine/logging.cpp

@@ -255,6 +255,78 @@ extern "C" HRESULT LoggingSetMsiTransactionVariable(
     return hr;
 }
 
+HRESULT LoggingPromoteLogFile(
+    __in BURN_EXECUTE_ACTION* pExecuteAction,
+    __in BURN_VARIABLES* pVariables
+    )
+{
+    HRESULT hr = S_OK;
+    LPWSTR sczLogPath = NULL;
+    LPWSTR sczNewLogPath = NULL;
+    LPCWSTR sczLogPathVariable = NULL;
+
+    switch (pExecuteAction->type)
+    {
+    case BURN_EXECUTE_ACTION_TYPE_EXE_PACKAGE:
+        sczLogPathVariable = pExecuteAction->exePackage.pPackage->sczLogPathVariable;
+        break;
+    case BURN_EXECUTE_ACTION_TYPE_MSI_PACKAGE:
+        sczLogPathVariable = pExecuteAction->msiPackage.pPackage->sczLogPathVariable;
+        break;
+    case BURN_EXECUTE_ACTION_TYPE_MSP_TARGET:
+        sczLogPathVariable = pExecuteAction->mspTarget.pPackage->sczLogPathVariable;
+        break;
+    case BURN_EXECUTE_ACTION_TYPE_MSU_PACKAGE:
+        sczLogPathVariable = pExecuteAction->msuPackage.pPackage->sczLogPathVariable;
+        break;
+    }
+
+    if (!sczLogPathVariable || !*sczLogPathVariable)
+    {
+        hr = S_FALSE;
+        ExitFunction();
+    }
+
+    hr = VariableGetFormatted(pVariables, sczLogPathVariable, &sczLogPath);
+    if ((hr == E_NOTFOUND) || !sczLogPath || !*sczLogPath)
+    {
+        hr = S_FALSE;
+        ExitFunction();
+    }
+    ExitOnFailure(hr, "Failed to get log path.");
+
+    hr = FileAddSuffixToBaseName(sczLogPath, L"_", &sczNewLogPath);
+    ExitOnFailure(hr, "Failed to append to log path.");
+
+    hr = VariableSetString(pVariables, sczLogPathVariable, sczNewLogPath, FALSE);
+    ExitOnFailure(hr, "Failed to set log path into variable.");
+
+    switch (pExecuteAction->type)
+    {
+    case BURN_EXECUTE_ACTION_TYPE_MSI_PACKAGE:
+        ReleaseStr(pExecuteAction->msiPackage.sczLogPath);
+        pExecuteAction->msiPackage.sczLogPath = sczNewLogPath;
+        sczNewLogPath = NULL;
+        break;
+    case BURN_EXECUTE_ACTION_TYPE_MSP_TARGET:
+        ReleaseStr(pExecuteAction->mspTarget.sczLogPath);
+        pExecuteAction->mspTarget.sczLogPath = sczNewLogPath;
+        sczNewLogPath = NULL;
+        break;
+    case BURN_EXECUTE_ACTION_TYPE_MSU_PACKAGE:
+        ReleaseStr(pExecuteAction->msuPackage.sczLogPath);
+        pExecuteAction->msuPackage.sczLogPath = sczNewLogPath;
+        sczNewLogPath = NULL;
+        break;
+    }
+
+LExit:
+    ReleaseStr(sczLogPath);
+    ReleaseStr(sczNewLogPath);
+
+    return hr;
+}
+
 extern "C" HRESULT LoggingSetPackageVariable(
     __in BURN_PACKAGE* pPackage,
     __in_z_opt LPCWSTR wzSuffix,

src/burn/engine/logging.h

@@ -59,6 +59,11 @@ HRESULT LoggingSetMsiTransactionVariable(
     __in BURN_VARIABLES* pVariables
     );
 
+HRESULT LoggingPromoteLogFile(
+    __in BURN_EXECUTE_ACTION* pExecuteAction,
+    __in BURN_VARIABLES* pVariables
+    );
+
 HRESULT LoggingSetPackageVariable(
     __in BURN_PACKAGE* pPackage,
     __in_z_opt LPCWSTR wzSuffix,