Merge pull request #333 from telerik/detect-mono

Detect mono version

Author: teobugslayer

commands/post-install.ts

@@ -5,7 +5,7 @@ import options = require("../options");
 import hostInfo = require("../host-info");
 import util = require("util");
 import os = require("os");
-import HostInfo = require("host-info");
+import helpers = require("../helpers");
 
 export class PostInstallCommand implements ICommand {
 	private static SEVEN_ZIP_ERROR_MESSAGE = "It looks like there's a problem with your system configuration. " +
@@ -135,6 +135,12 @@ export class PostInstallCommand implements ICommand {
 			+ "described in http://docs.oracle.com/javase/8/docs/technotes/guides/install/install_overview.html (for JDK 8)" + os.EOL
 			+ "or http://docs.oracle.com/javase/7/docs/webnotes/install/ (for JDK 7)." + os.EOL);
 		}
+		if(hostInfo.isDarwin() && (!sysInfo.monoVer || helpers.versionCompare(sysInfo.monoVer, "3.12.0") < 0)) {
+			this.$logger.warn("WARNING: Mono 3.12 or later is not installed or not configured properly.");
+			this.$logger.out("You will not be able to work with Android devices in the device simulator or debug on connected Android devices." + os.EOL
+			+ "To be able to work with Android in the device simulator and debug on connected Android devices," + os.EOL
+			+ "download and install Mono 3.12 or later from http://www.mono-project.com/download/" + os.EOL);
+		}
 	}
 }
 $injector.registerCommand("dev-post-install", PostInstallCommand);

declarations.d.ts

@@ -294,6 +294,8 @@ interface ISysInfoData {
 	itunesInstalled: boolean;
 	/** Whether `android` executable can be run */
 	androidInstalled: boolean;
+	/** mono version, relevant on Mac only **/
+	monoVer: string;
 }
 
 interface ISysInfo {

sysinfo.ts

@@ -12,6 +12,7 @@ export class SysInfo implements ISysInfo {
 				private $iTunesValidator: Mobile.IiTunesValidator,
 				private $logger: ILogger) { }
 
+	private static monoVerRegExp = /version (\d+[.]\d+[.]\d+) /gm;
 	private sysInfoCache: ISysInfoData = undefined;
 
 	getSysInfo(): ISysInfoData {
@@ -55,6 +56,14 @@ export class SysInfo implements ISysInfo {
 			procOutput = this.execAndroidH();
 			res.androidInstalled = procOutput ? _.contains(procOutput, "android") : false;
 
+			procOutput = this.exec("mono --version");
+			if (!!procOutput) {
+				let match = SysInfo.monoVerRegExp.exec(procOutput);
+				res.monoVer = match ? match[1] : null;
+			} else {
+				res.monoVer = null;
+			}
+
 			this.sysInfoCache = res;
 		}