From 3d0c7298accd194178c17a977790510a37559c18 Mon Sep 17 00:00:00 2001
From: soulgalore <peter@soulgalore.com>
Date: Tue, 19 Dec 2023 16:33:46 +0100
Subject: [PATCH 1/3] Add check for Windows long paths

---
 lib/core/engine/index.js |  4 ++++
 lib/support/window.js    | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 lib/support/window.js

diff --git a/lib/core/engine/index.js b/lib/core/engine/index.js
index 079f1485b..f6f95ccb3 100644
--- a/lib/core/engine/index.js
+++ b/lib/core/engine/index.js
@@ -31,6 +31,9 @@ import {
   loadScript,
   loadPageCompleteScript
 } from '../../support/engineUtils.js';
+
+import { checkWindowsLongPath } from '../../support/windows.js';
+
 const log = intel.getLogger('browsertime');
 const defaults = {
   scripts: [],
@@ -283,6 +286,7 @@ export class Engine {
       options
     );
 
+    await checkWindowsLongPath();
     await storageManager.createDataDir();
     await engineDelegate.beforeBrowserStart(name, options);
     const collector = new Collector(name, storageManager, options);
diff --git a/lib/support/window.js b/lib/support/window.js
new file mode 100644
index 000000000..869c02ad5
--- /dev/null
+++ b/lib/support/window.js
@@ -0,0 +1,20 @@
+import { execa } from 'execa';
+
+import intel from 'intel';
+const log = intel.getLogger('browsertime');
+
+export async function checkWindowsLongPath() {
+  if (process.platform === 'win32') {
+    const { stdout } = await execa(
+      '(Get-ItemProperty "HKLM:System\\CurrentControlSet\\Control\\FileSystem").LongPathsEnabled',
+      {
+        shell: 'powershell.exe'
+      }
+    );
+    if (stdout === '1') {
+      log.info('LongPaths is enabled');
+    } else if (stdout === '0') {
+      log.info('LongPaths is not enabled');
+    }
+  }
+}

From 50903ecd2d658fcf80fe5ce4b8d955922af09ea2 Mon Sep 17 00:00:00 2001
From: soulgalore <peter@soulgalore.com>
Date: Tue, 19 Dec 2023 16:39:01 +0100
Subject: [PATCH 2/3] fix

---
 lib/support/{window.js => windows.js} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename lib/support/{window.js => windows.js} (100%)

diff --git a/lib/support/window.js b/lib/support/windows.js
similarity index 100%
rename from lib/support/window.js
rename to lib/support/windows.js

From 1471d26caddcb31ee17a69d1094eccea604ef34e Mon Sep 17 00:00:00 2001
From: soulgalore <peter@soulgalore.com>
Date: Wed, 20 Dec 2023 04:01:47 +0100
Subject: [PATCH 3/3] better text

---
 lib/support/windows.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/support/windows.js b/lib/support/windows.js
index 869c02ad5..cce265ceb 100644
--- a/lib/support/windows.js
+++ b/lib/support/windows.js
@@ -11,10 +11,10 @@ export async function checkWindowsLongPath() {
         shell: 'powershell.exe'
       }
     );
-    if (stdout === '1') {
-      log.info('LongPaths is enabled');
-    } else if (stdout === '0') {
-      log.info('LongPaths is not enabled');
+    if (stdout === '0') {
+      log.info(
+        'LongPaths is not enabled and that can make testing fail. Read https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=registry on how to enable long paths'
+      );
     }
   }
 }