Allow fallback to alternate tools if setting HAXELIB_PATH in project

lime/project/HXProject.hx

@@ -70,6 +70,7 @@ class HXProject {
 	private var defaultApp:ApplicationData;
 	private var defaultMeta:MetaData;
 	private var defaultWindow:WindowData;
+	private var needRerun:Bool;
 	
 	public static var _command:String;
 	public static var _debug:Bool;

lime/project/ProjectXMLParser.hx

@@ -1163,9 +1163,30 @@ class ProjectXMLParser extends HXProject {
 						
 						var name = substitute (element.att.name);
 						
-						defines.set (name, value);
-						environment.set (name, value);
-						setenv (name, value);
+						if (name == "HAXELIB_PATH") {
+							
+							var currentPath = HaxelibHelper.getRepositoryPath ();
+							
+							defines.set (name, value);
+							environment.set (name, value);
+							setenv (name, value);
+							
+							var newPath = HaxelibHelper.getRepositoryPath (true);
+							
+							if (currentPath != newPath) {
+								
+								needRerun = true;
+								return;
+								
+							}
+							
+						} else {
+							
+							defines.set (name, value);
+							environment.set (name, value);
+							setenv (name, value);
+							
+						}
 					
 					case "error":
 						

lime/tools/helpers/HaxelibHelper.hx

@@ -81,9 +81,9 @@ class HaxelibHelper {
 	}
 	
 	
-	public static function getRepositoryPath ():String {
+	public static function getRepositoryPath (clearCache:Bool = false):String {
 		
-		if (repositoryPath == null) {
+		if (repositoryPath == null || clearCache) {
 			
 			var cache = LogHelper.verbose;
 			LogHelper.verbose = debug;

tools/CommandLineTools.hx

@@ -20,6 +20,8 @@ import utils.CreateTemplate;
 import utils.JavaExternGenerator;
 import utils.PlatformSetup;
 
+@:access(lime.project.HXProject)
+
 
 class CommandLineTools {
 	
@@ -1695,6 +1697,30 @@ class CommandLineTools {
 			
 		}
 		
+		if (project != null && project.needRerun && !project.targetFlags.exists ("norerun")) {
+			
+			HaxelibHelper.pathOverrides.remove ("lime");
+			var workingDirectory = Sys.getCwd ();
+			var limePath = HaxelibHelper.getPath (new Haxelib ("lime"), true, true);
+			Sys.setCwd (workingDirectory);
+			
+			LogHelper.info ("", LogHelper.accentColor + "Requesting alternate tools from custom haxelib path...\x1b[0m\n\n");
+			
+			var args = Sys.args ();
+			args.pop ();
+			
+			Sys.setCwd (limePath);
+			
+			args = [ PathHelper.combine (limePath, "run.n") ].concat (args);
+			args.push ("--haxelib-lime=" + limePath);
+			args.push ("-norerun");
+			args.push (workingDirectory);
+			
+			Sys.exit (Sys.command ("neko", args));
+			return null;
+			
+		}
+		
 		if (project == null || (command != "rebuild" && project.sources.length == 0 && !FileSystem.exists (project.app.main + ".hx"))) {
 			
 			LogHelper.error ("You must have a \"project.xml\" file or specify another valid project file when using the '" + command + "' command");