Github user jasongin commented on a diff in the pull request:
https://github.com/apache/cordova-android/pull/240#discussion_r45385875
--- Diff: bin/templates/cordova/lib/builders/GradleBuilder.js ---
@@ -211,3 +212,54 @@ module.exports = GradleBuilder;
function isAutoGenerated(file) {
return fs.existsSync(file) && fs.readFileSync(file,
'utf8').indexOf(MARKER) > 0;
}
+
+/**
+ * A special superspawn-like implementation, required to workaround the
issue
+ * with java printing some necessary information to stderr instead of
stdout.
+ * This function redirects all stderr messages to current process
stdout. See
+ * https://issues.apache.org/jira/browse/CB-9971 for explanation.
+ *
+ * @param {String} cmd A command to spawn
+ * @param {String[]} args Command arguments. Note that on Windows
arguments
+ * will be concatenated into string and passed to 'cmd.exe' along with
'/s'
+ * and '/c' swithces for proper space-in-path handling
+ *
+ * @return {Promise} A promise, rejected with error message, if
+ * underlying command exits with nonzero exit code, fulfilled otherwise
+ */
+function spawnWithStderrRedirect(cmd, args) {
+ var opts = { stdio: 'pipe' };
+
+ if (process.platform === 'win32') {
+ // Work around spawn not being able to find .bat files.
+ var joinedArgs = [cmd]
+ .concat(args)
+ .map(function(a){
+ // Add quotes to arguments which contains whitespaces
+ if (/^[^"].* .*[^"]/.test(a)) return '"' + a + '"';
+ return a;
+ }).join(' ');
+
+ args = ['/s', '/c'].concat('"' + joinedArgs + '"');
+ cmd = 'cmd';
+ opts.windowsVerbatimArguments = true;
+ }
+
+ return Q.Promise(function (resolve, reject) {
+ var proc = child_process.spawn(cmd, args, opts);
+
+ proc.stdout.on('data', process.stdout.write.bind(process.stdout));
+ proc.stderr.on('data', function (data) {
+ var isRedirectNeeded = data.toString().match(/^Picked up
_JAVA_OPTIONS: /i);
--- End diff --
/regex/.test(str) is faster when all you need is a boolean result, not the
detailed info that match() returns.
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