At post-install, ask the user to turn on command line autocompletion

Author: teobugslayer

bootstrap.ts

@@ -30,6 +30,7 @@ $injector.requireCommand(["help", "/?"], "./common/commands/help");
 $injector.requireCommand("feature-usage-tracking", "./common/commands/analytics");
 
 $injector.requireCommand("dev-post-install", "./common/commands/post-install");
+$injector.requireCommand("autocomplete", "./common/commands/completion-prompt");
 
 $injector.requireCommand("device|*list", "./common/commands/device/list-devices");
 $injector.requireCommand("device|android", "./common/commands/device/list-devices");

commands/completion-prompt.ts

@@ -0,0 +1,30 @@
+///<reference path="../../.d.ts"/>
+"use strict";
+import helpers = require("../helpers");
+
+export class CompletionPromptCommand implements ICommand {
+
+	constructor(private $autoCompletionService: IAutoCompletionService,
+				private $logger: ILogger,
+				private $prompter: IPrompter) {
+	}
+
+	public disableAnalytics = true;
+	public allowedParameters: ICommandParameter[] = [];
+
+	public execute(args: string[]): IFuture<void> {
+		return (() => {
+			if (helpers.isInteractive()) {
+				this.$logger.out("If you are using bash or zsh, you can enable command line auto completion.");
+				var message = "Enable it now?";
+
+				var autoCompetionStatus = this.$prompter.confirm(message, () => "y").wait();
+
+				if (autoCompetionStatus) {
+					this.$autoCompletionService.enableAutoCompletion().wait();
+				}
+			}
+		}).future<void>()();
+	}
+}
+$injector.registerCommand("autocomplete", CompletionPromptCommand);

commands/post-install.ts

@@ -13,7 +13,8 @@ export class PostInstallCommand implements ICommand {
 		private $fs: IFileSystem,
 		private $staticConfig: Config.IStaticConfig,
 		private $childProcess: IChildProcess,
-		private $errors: IErrors) {
+		private $errors: IErrors,
+		private $commandsService: ICommandsService) {
 	}
 
 	public disableAnalytics = true;
@@ -29,8 +30,8 @@ export class PostInstallCommand implements ICommand {
 				}
 			}
 
-			this.$autoCompletionService.enableAutoCompletion().wait();
 			this.checkSevenZip().wait();
+			this.$commandsService.tryExecuteCommand("autocomplete", []).wait();
 		}).future<void>()();
 	}