feat(config): cli.packageManager override support

lib/definitions/project.d.ts

@@ -346,7 +346,7 @@ interface IProjectConfigService {
 	 * Get value for a given config key path
 	 * @param key the property key path
 	 */
-	getValue(key: string): any;
+	getValue(key: string, defaultValue?: any): any;
 	/**
 	 * Set value for a given config key path
 	 * @param key the property key path

lib/package-manager.ts

@@ -16,6 +16,7 @@ import {
 	IDictionary,
 } from "./common/declarations";
 import { injector } from "./common/yok";
+import { IProjectConfigService } from "./definitions/project";
 export class PackageManager implements IPackageManager {
 	private packageManager: INodePackageManager;
 	private _packageManagerName: string;
@@ -27,7 +28,8 @@ export class PackageManager implements IPackageManager {
 		private $yarn: INodePackageManager,
 		private $pnpm: INodePackageManager,
 		private $logger: ILogger,
-		private $userSettingsService: IUserSettingsService
+		private $userSettingsService: IUserSettingsService,
+		private $projectConfigService: IProjectConfigService
 	) {}
 
 	@cache()
@@ -140,6 +142,25 @@ export class PackageManager implements IPackageManager {
 			);
 		}
 
+		try {
+			const configPm = this.$projectConfigService.getValue(
+				"cli.packageManager"
+			);
+
+			if (configPm) {
+				this.$logger.trace(
+					`Determined packageManager to use from user config is: ${configPm}`
+				);
+				pm = configPm;
+			}
+		} catch (err) {
+			// ignore error, but log info
+			this.$logger.trace(
+				"Tried to read cli.packageManager from project config and failed. Error is: ",
+				err
+			);
+		}
+
 		if (pm === PackageManagers.yarn || this.$options.yarn) {
 			this._packageManagerName = PackageManagers.yarn;
 			return this.$yarn;

test/ios-project-service.ts

@@ -35,6 +35,7 @@ import {
 	ProjectDataStub,
 	TempServiceStub,
 	ProjectDataServiceStub,
+	ProjectConfigServiceStub,
 } from "./stubs";
 import { xcode } from "../lib/node/xcode";
 import temp = require("temp");
@@ -172,6 +173,7 @@ function createTestInjector(
 		getSettingValue: async (settingName: string): Promise<void> => undefined,
 	});
 	testInjector.register("packageManager", PackageManager);
+	testInjector.register("projectConfigService", ProjectConfigServiceStub);
 	testInjector.register("npm", NodePackageManager);
 	testInjector.register("yarn", YarnPackageManager);
 	testInjector.register("xcconfigService", XcconfigService);

test/package-installation-manager.ts

@@ -15,7 +15,7 @@ import * as yok from "../lib/common/yok";
 import ChildProcessLib = require("../lib/common/child-process");
 import { SettingsService } from "../lib/common/test/unit-tests/stubs";
 import { ProjectDataService } from "../lib/services/project-data-service";
-import { ProjectDataStub } from "./stubs";
+import { ProjectConfigServiceStub, ProjectDataStub } from "./stubs";
 import { IInjector } from "../lib/common/definitions/yok";
 import * as _ from "lodash";
 import { IDictionary } from "../lib/common/declarations";
@@ -48,6 +48,7 @@ function createTestInjector(): IInjector {
 	testInjector.register("yarn", YarnLib.YarnPackageManager);
 	testInjector.register("pnpm", PnpmLib.PnpmPackageManager);
 	testInjector.register("packageManager", PackageManagerLib.PackageManager);
+	testInjector.register("projectConfigService", ProjectConfigServiceStub);
 	testInjector.register(
 		"packageInstallationManager",
 		PackageInstallationManagerLib.PackageInstallationManager

test/plugins-service.ts

@@ -68,6 +68,10 @@ function createTestInjector() {
 		getSettingValue: async (settingName: string): Promise<void> => undefined,
 	});
 	testInjector.register("packageManager", PackageManager);
+	testInjector.register(
+		"projectConfigService",
+		stubs.PackageInstallationManagerStub
+	);
 	testInjector.register("npm", NodePackageManager);
 	testInjector.register("yarn", YarnPackageManager);
 	testInjector.register("pnpm", PnpmPackageManager);

test/services/extensibility-service.ts

@@ -57,6 +57,10 @@ describe("extensibilityService", () => {
 		testInjector.register("hostInfo", HostInfo);
 		testInjector.register("httpClient", {});
 		testInjector.register("packageManager", PackageManager);
+		testInjector.register(
+			"projectConfigService",
+			stubs.ProjectConfigServiceStub
+		);
 		testInjector.register("options", {});
 		testInjector.register("pacoteService", {
 			manifest: async (