CB-5801 exec->spawn in build to make sure compile errors are shown.

bin/templates/cordova/lib/build.js

@@ -20,9 +20,9 @@
 */
 
 var shell   = require('shelljs'),
-    exec    = require('./exec'),
-    Q       = require('q'),
     clean   = require('./clean'),
+    spawn   = require('./spawn'),
+    Q       = require('q'),
     path    = require('path'),
     fs      = require('fs'),
     ROOT    = path.join(__dirname, '..', '..');
@@ -34,13 +34,13 @@ var shell   = require('shelljs'),
 module.exports.run = function(build_type) {
     //default build type
     build_type = typeof build_type !== 'undefined' ? build_type : "--debug";
-    var cmd;
+    var args;
     switch(build_type) {
         case '--debug' :
-            cmd = 'ant debug -f "' + path.join(ROOT, 'build.xml') + '"';
+            args = ['debug', '-f', path.join(ROOT, 'build.xml')];
             break;
         case '--release' :
-            cmd = 'ant release -f "' + path.join(ROOT, 'build.xml') + '"';
+            args = ['release', '-f', path.join(ROOT, 'build.xml')];
             break;
         case '--nobuild' :
             console.log('Skipping build...');
@@ -48,13 +48,10 @@ module.exports.run = function(build_type) {
         default :
             return Q.reject('Build option \'' + build_type + '\' not recognized.');
     }
-    if(cmd) {
-        return clean.run() // TODO: Can we stop cleaning every time and let ant build incrementally?
-        .then(function() {
-            return exec(cmd);
-        });
-    }
-    return Q();
+    return clean.run() // TODO: Can we stop cleaning every time and let ant build incrementally?
+    .then(function() {
+        return spawn('ant', args);
+    });
 }
 
 /*

bin/templates/cordova/lib/clean.js

@@ -19,16 +19,16 @@
        under the License.
 */
 
-var exec  = require('./exec'),
+var spawn = require('./spawn'),
     path  = require('path'),
-    ROOT = path.join(__dirname, '..', '..');
+    ROOT  = path.join(__dirname, '..', '..');
 
 /*
  * Cleans the project using ant
  * Returns a promise.
  */
 module.exports.run = function() {
-    return exec('ant clean -f "' + path.join(ROOT, 'build.xml') + '"');
+    return spawn('ant', ['clean', '-f', path.join(ROOT, 'build.xml')]);
 }
 
 module.exports.help = function() {

bin/templates/cordova/lib/spawn.js

@@ -0,0 +1,43 @@
+#!/usr/bin/env node
+
+/*
+       Licensed to the Apache Software Foundation (ASF) under one
+       or more contributor license agreements.  See the NOTICE file
+       distributed with this work for additional information
+       regarding copyright ownership.  The ASF licenses this file
+       to you under the Apache License, Version 2.0 (the
+       "License"); you may not use this file except in compliance
+       with the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+       Unless required by applicable law or agreed to in writing,
+       software distributed under the License is distributed on an
+       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+       KIND, either express or implied.  See the License for the
+       specific language governing permissions and limitations
+       under the License.
+*/
+
+var child_process = require('child_process'),
+    Q       = require('q');
+
+// Takes a command and optional current working directory.
+module.exports = function(cmd, args, opt_cwd) {
+    var d = Q.defer();
+    try {
+        var child = child_process.spawn(cmd, args, {cwd: opt_cwd, stdio: 'inherit'});
+        child.on('exit', function(code) {
+            if (code) {
+                d.reject('Error code ' + code + ' for command: ' + cmd + ' with args: ' + args);
+            } else {
+                d.resolve();
+            }
+        });
+    } catch(e) {
+        console.error('error caught: ' + e);
+        d.reject(e);
+    }
+    return d.promise;
+}
+