From 2002d856f29d0372e427d25e4dc05ebbf7800a2b Mon Sep 17 00:00:00 2001
From: Vidal Ortega <43078681+vidorteg@users.noreply.github.com>
Date: Mon, 16 Sep 2024 14:15:34 -0700
Subject: [PATCH] Fix: Updating fallback version to 127

Updates fallback version to use Edge 127 also fixes an issue where if the user had a well known version set in the cache it always use that one, even if a new one is present.
Close
---
 .vscode/launch.json            |  8 ++++----
 src/devtoolsPanel.ts           | 32 ++++++++++++++++++++++++++++++--
 src/utils.ts                   |  4 ++--
 src/versionSocketConnection.ts |  6 ------
 4 files changed, 36 insertions(+), 14 deletions(-)

diff --git a/.vscode/launch.json b/.vscode/launch.json
index a3facfd..0a9531c 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -6,25 +6,25 @@
             "type": "extensionHost",
             "request": "launch",
             "runtimeExecutable": "${execPath}",
+            "autoAttachChildProcesses": true,
             "args": [
                 "--extensionDevelopmentPath=${workspaceFolder}"
             ],
-            "stopOnEntry": false,
             "sourceMaps": true,
             "outFiles": [
                 "${workspaceFolder}/out/**/*.js"
             ],
-            "preLaunchTask": "npm: build"
+            "preLaunchTask": "npm: build-debug"
         },
         {
             "name": "Launch Extension Edge Watch",
             "type": "extensionHost",
             "request": "launch",
             "runtimeExecutable": "${execPath}",
+            "autoAttachChildProcesses": true,
             "args": [
                 "--extensionDevelopmentPath=${workspaceFolder}"
             ],
-            "stopOnEntry": false,
             "sourceMaps": true,
             "outFiles": [
                 "${workspaceFolder}/out/**/*.js"
@@ -36,10 +36,10 @@
             "type": "extensionHost",
             "request": "launch",
             "runtimeExecutable": "${execPath}",
+            "autoAttachChildProcesses": true,
             "args": [
                 "--extensionDevelopmentPath=${workspaceFolder}"
             ],
-            "stopOnEntry": false,
             "sourceMaps": true,
             "outFiles": [
                 "${workspaceFolder}/out/**/*.js"
diff --git a/src/devtoolsPanel.ts b/src/devtoolsPanel.ts
index 91f8ebf..6b82504 100644
--- a/src/devtoolsPanel.ts
+++ b/src/devtoolsPanel.ts
@@ -406,12 +406,40 @@ export class DevToolsPanel {
     private onSocketDevToolsConnection(success: string) {
         if (success === 'true') {
             void this.context.globalState.update('fallbackRevision', this.currentRevision);
+            this.context.globalState.update('retryAttemptToLoadCDN', '1');
         } else {
-            // Retry connection with fallback.
-            const fallbackRevision = this.context.globalState.get<string>('fallbackRevision') ?? '';
+            let retryNumber: number;
+            try {
+                retryNumber = parseInt(this.context.globalState.get<string>('retryAttemptToLoadCDN') || '1', 10);
+            } catch {
+                retryNumber = 1;
+            }
+
+            let fallbackRevision;
+            switch (retryNumber) {
+                case 1: {
+                    // Always try the latest specified revision first, this will keep it updated.
+                    fallbackRevision = CDN_FALLBACK_REVISION;
+                    this.context.globalState.update('retryAttemptToLoadCDN', ++retryNumber);
+                    break;
+                }
+                case 2: {
+                     // Retry connection with latest well known fallback that this environment knows.
+                    fallbackRevision = this.context.globalState.get<string>('fallbackRevision') ?? '';
+                    this.context.globalState.update('retryAttemptToLoadCDN', ++retryNumber);
+                    break;
+                }
+                default: {
+                    // Could not find suitable version.
+                    this.context.globalState.update('retryAttemptToLoadCDN', '1');
+                    return;
+                }
+            }
+
             if (this.currentRevision) {
                 this.telemetryReporter.sendTelemetryEvent('websocket/failedConnection', {revision: this.currentRevision});
             }
+
             this.setCdnParameters({revision: fallbackRevision, isHeadless: this.isHeadless});
         }
     }
diff --git a/src/utils.ts b/src/utils.ts
index 992a869..b1b1cdb 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -109,8 +109,8 @@ export const SETTINGS_DEFAULT_ENTRY_POINT = 'index.html';
 const WIN_APP_DATA = process.env.LOCALAPPDATA || '/';
 const msEdgeBrowserMapping: Map<BrowserFlavor, IBrowserPath> = new Map<BrowserFlavor, IBrowserPath>();
 
-// Current Revision: 120.0.2210.181
-export const CDN_FALLBACK_REVISION = '@6e7adbe405f69993cc1eb8c5dc9ea51868c4fb36';
+// Current Revision: 127.0.2594.0
+export const CDN_FALLBACK_REVISION = '@xxf163ae219c3b08cda5aafa6b262442715a8a9893';
 
 /** Build-specified flags. */
 declare const DEBUG: boolean;
diff --git a/src/versionSocketConnection.ts b/src/versionSocketConnection.ts
index a584734..02301bf 100644
--- a/src/versionSocketConnection.ts
+++ b/src/versionSocketConnection.ts
@@ -77,12 +77,6 @@ export class BrowserVersionDetectionSocket extends EventEmitter {
         const minSupportedVersion = MIN_SUPPORTED_VERSION.split('.').map(part => Number(part));
         const currentRevision = data.result.revision || '';
 
-        // TODO: Workaround https://github.com/microsoft/vscode-edge-devtools/issues/1992
-        // remove when it has been fixed
-        if (parseFloat(versionNum) > 121) {
-            return {revision: '@d550f77b048ac142a3292397c64cdb693e4aca08', isHeadless};
-        }
-
         for (let i = 0; i < currentVersion.length; i++) {
             // Loop through from Major to minor numbers
             if (currentVersion[i] > minSupportedVersion[i]) {