add locate-extension as command line parameter

src/vs/code/node/cli.ts

@@ -24,7 +24,8 @@ function shouldSpawnCliProcess(argv: ParsedArgs): boolean {
 	return !!argv['install-source']
 		|| !!argv['list-extensions']
 		|| !!argv['install-extension']
-		|| !!argv['uninstall-extension'];
+		|| !!argv['uninstall-extension']
+		|| !!argv['locate-extension'];
 }
 
 interface IMainCli {

src/vs/code/node/cliProcessMain.ts

@@ -41,6 +41,7 @@ import { IExtensionManifest, ExtensionType, isLanguagePackExtension } from 'vs/p
 import { isUIExtension } from 'vs/platform/extensions/node/extensionsUtil';
 import { CancellationToken } from 'vs/base/common/cancellation';
 import { LocalizationsService } from 'vs/platform/localizations/node/localizations';
+import { Schemas } from 'vs/base/common/network';
 
 const notFound = (id: string) => localize('notFound', "Extension '{0}' not found.", id);
 const notInstalled = (id: string) => localize('notInstalled', "Extension '{0}' is not installed.", id);
@@ -92,6 +93,10 @@ export class Main {
 			const arg = argv['uninstall-extension'];
 			const ids: string[] = typeof arg === 'string' ? [arg] : arg;
 			await this.uninstallExtension(ids);
+		} else if (argv['locate-extension']) {
+			const arg = argv['locate-extension'];
+			const ids: string[] = typeof arg === 'string' ? [arg] : arg;
+			await this.locateExtension(ids);
 		}
 	}
 
@@ -257,6 +262,20 @@ export class Main {
 		}
 	}
 
+	private async locateExtension(extensions: string[]): Promise<void> {
+		const installed = await this.extensionManagementService.getInstalled();
+		extensions.forEach(e => {
+			installed.forEach(i => {
+				if (i.identifier.id === e) {
+					if (i.location.scheme === Schemas.file) {
+						console.log(i.location.fsPath);
+						return;
+					}
+				}
+			});
+		});
+	}
+
 	private async updateLocalizationsCache(): Promise<void> {
 		const localizationService = this.instantiationService.createInstance(LocalizationsService);
 		await localizationService.update();
@@ -321,4 +340,4 @@ export function main(argv: ParsedArgs): Promise<void> {
 			});
 		});
 	});
-}
+}

src/vs/platform/environment/common/environment.ts

@@ -50,6 +50,7 @@ export interface ParsedArgs {
 	'show-versions'?: boolean;
 	'install-extension'?: string | string[];
 	'uninstall-extension'?: string | string[];
+	'locate-extension'?: string | string[];
 	'enable-proposed-api'?: string | string[];
 	'open-url'?: boolean;
 	'skip-getting-started'?: boolean;

src/vs/platform/environment/node/argv.ts

@@ -66,6 +66,7 @@ export const options: Option[] = [
 	{ id: 'max-memory', type: 'string', cat: 't', description: localize('maxMemory', "Max memory size for a window (in Mbytes).") },
 
 	{ id: 'remote', type: 'string' },
+	{ id: 'locate-extension', type: 'string' },
 	{ id: 'extensionDevelopmentPath', type: 'string' },
 	{ id: 'extensionTestsPath', type: 'string' },
 	{ id: 'debugId', type: 'string' },