Publish valid semver task independently of the branch

tasks/publish.js

@@ -15,14 +15,22 @@ module.exports = function(grunt) {
       git.commitInfo(function(err, info) {
         grunt.log.writeln('tag: ' + info.tagName);
 
-        if (info.isMaster) {
+        var files = [];
-          initSDK();
 
-          var files = ['-latest', '-' + info.head];
+        // Publish the master as "latest" and with the commit-id
+        if (info.isMaster) {
+          files.push('-latest');
+          files.push('-' + info.head);
+        }
+
+        // Publish tags by their tag-name
         if (info.tagName && semver.valid(info.tagName)) {
           files.push('-' + info.tagName);
         }
 
+        if (files.length > 0) {
+          initSDK();
+          grunt.log.writeln('publishing files: ' + JSON.stringify(files));
           publish(fileMap(files), done);
         } else {
           // Silently ignore for branches