[ALOY-1272] Building an alloy project with Titanium CLI on Windows fails

hooks/alloy.js

@@ -83,6 +83,7 @@ exports.init = function (logger, config, cli, appc) {
 			// we have no clue where alloy is installed, so we're going to subprocess
 			// alloy and hope it's in the system path or a well known place
 			var paths = {};
+			var locatorCmd = process.platform === 'win32' ? 'where' : 'which';
 			parallel(this, ['alloy', 'node'].map(function (bin) {
 				return function (done) {
 					var envName = 'ALLOY_' + (bin === 'node' ? 'NODE_' : '') + 'PATH';
@@ -94,7 +95,7 @@ exports.init = function (logger, config, cli, appc) {
 						paths.alloy = 'alloy.cmd';
 						done();
 					} else {
-						exec('which ' + bin, function (err, stdout, strerr) {
+						exec(locatorCmd + ' ' + bin, function (err, stdout, strerr) {
 							if (!err) {
 								paths[bin] = stdout.trim();
 								done();