PowerShell task should configure logging streams

Tasks/PowerShellV2/Tests/L0.ts

@@ -29,7 +29,7 @@ describe('PowerShell Suite', function () {
         runValidations(() => {
             assert(tr.succeeded, 'PowerShell should have succeeded.');
             assert(tr.stderr.length === 0, 'PowerShell should not have written to stderr');
-            assert(tr.stdout.indexOf(`Writing \ufeff$ErrorActionPreference = 'Stop'${os.EOL}Write-Host "my script output" to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
+            assert(tr.stdout.indexOf(`Writing \ufeff$VerbosePreference = 'SilentlyContinue'${os.EOL}$InformationPreference = 'Continue'${os.EOL}$WarningPreference = 'Continue'${os.EOL}$ErrorActionPreference = 'Stop'${os.EOL}Write-Host "my script output" to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
             assert(tr.stdout.indexOf('my script output') > 0,'PowerShell should have correctly run the script');
         }, tr, done);
     });
@@ -45,7 +45,7 @@ describe('PowerShell Suite', function () {
         runValidations(() => {
             assert(tr.succeeded, 'PowerShell should have succeeded.');
             assert(tr.stderr.length === 0, 'PowerShell should not have written to stderr');
-            assert(tr.stdout.indexOf(`Writing \ufeff$ErrorActionPreference = 'Stop'${os.EOL}. 'path/to/script.ps1' to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
+            assert(tr.stdout.indexOf(`Writing \ufeff$VerbosePreference = 'SilentlyContinue'${os.EOL}$InformationPreference = 'Continue'${os.EOL}$WarningPreference = 'Continue'${os.EOL}$ErrorActionPreference = 'Stop'${os.EOL}. 'path/to/script.ps1' to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
             assert(tr.stdout.indexOf('my script output') > 0,'PowerShell should have correctly run the script');
         }, tr, done);
     });
@@ -61,7 +61,7 @@ describe('PowerShell Suite', function () {
         runValidations(() => {
             assert(tr.succeeded, 'PowerShell should have succeeded.');
             assert(tr.stderr.length === 0, 'PowerShell should not have written to stderr');
-            assert(tr.stdout.indexOf(`Writing \ufeff$ErrorActionPreference = 'Stop'${os.EOL}. 'path/to/script.ps1' myCustomArg to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
+            assert(tr.stdout.indexOf(`Writing \ufeff$VerbosePreference = 'SilentlyContinue'${os.EOL}$InformationPreference = 'Continue'${os.EOL}$WarningPreference = 'Continue'${os.EOL}$ErrorActionPreference = 'Stop'${os.EOL}. 'path/to/script.ps1' myCustomArg to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
             assert(tr.stdout.indexOf('my script output') > 0,'PowerShell should have correctly run the script');
         }, tr, done);
     });
@@ -92,7 +92,7 @@ describe('PowerShell Suite', function () {
         runValidations(() => {
             assert(tr.succeeded, 'PowerShell should have succeeded.');
             assert(tr.stderr.length === 0, 'PowerShell should not have written to stderr');
-            assert(tr.stdout.indexOf(`Writing \ufeff$ErrorActionPreference = 'Stop'${os.EOL}. 'path/to/script.ps1' to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
+            assert(tr.stdout.indexOf(`Writing \ufeff$VerbosePreference = 'SilentlyContinue'${os.EOL}$InformationPreference = 'Continue'${os.EOL}$WarningPreference = 'Continue'${os.EOL}$ErrorActionPreference = 'Stop'${os.EOL}. 'path/to/script.ps1' to temp/path/fileName.ps1`) > 0, 'PowerShell should have written the script to a file');
             assert(tr.stdout.indexOf('my script output') > 0,'PowerShell should have correctly run the script');
         }, tr, done);
     });

Tasks/PowerShellV2/powershell.ps1

@@ -48,7 +48,18 @@ try {
     # Generate the script contents.
     Write-Host (Get-VstsLocString -Key 'GeneratingScript')
     $contents = @()
+
+    # Explicitly set the default output stream preferences, rather then relying on PowerShell's defaults.
+    if ($env:system_debug -eq "true") {
+        $contents += "`$VerbosePreference = 'Continue'"
+    }
+    else {
+        $contents += "`$VerbosePreference = 'SilentlyContinue'"
+    }
+    $contents += "`$InformationPreference = 'Continue'"
+    $contents += "`$WarningPreference = 'Continue'"
     $contents += "`$ErrorActionPreference = '$input_errorActionPreference'"
+
     # Change default error view to normal view. We need this for error handling since we pipe stdout and stderr to the same stream
     # and we rely on PowerShell piping back NormalView error records (required because PowerShell Core changed the default to ConciseView)
     $contents += "`$ErrorView = 'NormalView'"

Tasks/PowerShellV2/powershell.ts

@@ -46,7 +46,17 @@ async function run() {
         // Generate the script contents.
         console.log(tl.loc('GeneratingScript'));
         let contents: string[] = [];
+
+        // Explicitly set the default output stream preferences, rather then relying on PowerShell's defaults.
+        if ((process.env['SYSTEM_DEBUG'] || "").toLowerCase() === "true") {
+            contents.push(`$VerbosePreference = 'Continue'`);
+        } else {
+            contents.push(`$VerbosePreference = 'SilentlyContinue'`);
+        }
+        contents.push(`$InformationPreference = 'Continue'`);
+        contents.push(`$WarningPreference = 'Continue'`);
         contents.push(`$ErrorActionPreference = '${input_errorActionPreference}'`);
+
         let script = '';
         if (input_targetType.toUpperCase() == 'FILEPATH') {
             script = `. '${input_filePath.replace(/'/g, "''")}' ${input_arguments}`.trim();

Tasks/PowerShellV2/task.json

@@ -18,7 +18,7 @@
     "version": {
         "Major": 2,
         "Minor": 190,
-        "Patch": 0
+        "Patch": 1
     },
     "releaseNotes": "Script task consistency. Added support for macOS and Linux.",
     "minimumAgentVersion": "2.115.0",

Tasks/PowerShellV2/task.loc.json

@@ -18,7 +18,7 @@
   "version": {
     "Major": 2,
     "Minor": 190,
-    "Patch": 0
+    "Patch": 1
   },
   "releaseNotes": "ms-resource:loc.releaseNotes",
   "minimumAgentVersion": "2.115.0",