Uses new ExtensionMode

.vscode/launch.json

@@ -10,9 +10,6 @@
 			"args": ["--extensionDevelopmentPath=${workspaceFolder}"],
 			"cwd": "${workspaceFolder}",
 			"debugWebviews": { "urlFilter": "*eamodio.gitlens*" },
-			"env": {
-				"VSCODE_DEBUGGING_EXTENSION": "gitlens"
-			},
 			"outFiles": ["${workspaceFolder}/dist/**/*.js"],
 			"presentation": {
 				"group": "2_run",
@@ -31,9 +28,6 @@
 			"args": ["--disable-extensions", "--extensionDevelopmentPath=${workspaceFolder}"],
 			"cwd": "${workspaceFolder}",
 			"debugWebviews": { "urlFilter": "*eamodio.gitlens*" },
-			"env": {
-				"VSCODE_DEBUGGING_EXTENSION": "gitlens"
-			},
 			"outFiles": ["${workspaceFolder}/dist/**/*.js"],
 			"presentation": {
 				"group": "2_run",
@@ -55,9 +49,6 @@
 				"urlFilter": "*eamodio.gitlens*",
 				"webRoot": "${workspaceFolder}/src/webviews/apps"
 			},
-			"env": {
-				"VSCODE_DEBUGGING_EXTENSION": "gitlens"
-			},
 			"outFiles": ["${workspaceFolder}/dist/**/*.js"],
 			"preLaunchTask": "${defaultBuildTask}",
 			"presentation": {
@@ -77,9 +68,6 @@
 			"args": ["--disable-extensions", "--extensionDevelopmentPath=${workspaceFolder}"],
 			"cwd": "${workspaceFolder}",
 			"debugWebviews": { "urlFilter": "*eamodio.gitlens*" },
-			"env": {
-				"VSCODE_DEBUGGING_EXTENSION": "gitlens"
-			},
 			"outFiles": ["${workspaceFolder}/dist/**/*.js"],
 			"preLaunchTask": "npm: watch",
 			"presentation": {

src/logger.ts

@@ -1,5 +1,5 @@
 'use strict';
-import { ExtensionContext, OutputChannel, Uri, window } from 'vscode';
+import { ExtensionContext, ExtensionMode, OutputChannel, Uri, window } from 'vscode';
 import { extensionOutputChannelName } from './constants';
 import { getCorrelationContext, getNextCorrelationId } from './system';
 
@@ -14,8 +14,6 @@ export enum TraceLevel {
 
 const ConsolePrefix = `[${extensionOutputChannelName}]`;
 
-const isDebuggingRegex = /\bgitlens\b/i;
-
 export interface LogCorrelationContext {
 	readonly correlationId?: number;
 	readonly prefix: string;
@@ -29,9 +27,15 @@ export class Logger {
 	static configure(context: ExtensionContext, level: TraceLevel, loggableFn?: (o: any) => string | undefined) {
 		this.customLoggableFn = loggableFn;
 
+		this._isDebugging = context.extensionMode === ExtensionMode.Development;
 		this.level = level;
 	}
 
+	private static _isDebugging: boolean;
+	static get isDebugging() {
+		return this._isDebugging;
+	}
+
 	private static _level: TraceLevel = TraceLevel.Silent;
 	static get level() {
 		return this._level;
@@ -253,18 +257,6 @@ export class Logger {
 		return loggableParams.length !== 0 ? ` \u2014 ${loggableParams}` : emptyStr;
 	}
 
-	private static _isDebugging: boolean | undefined;
-	static get isDebugging() {
-		if (this._isDebugging == null) {
-			const env = process.env;
-			this._isDebugging = env?.VSCODE_DEBUGGING_EXTENSION
-				? isDebuggingRegex.test(env.VSCODE_DEBUGGING_EXTENSION)
-				: false;
-		}
-
-		return this._isDebugging;
-	}
-
 	static gitOutput: OutputChannel | undefined;
 
 	static logGitCommand(command: string, ex?: Error): void {