worked out bower release process

scripts/release/bower.js

@@ -0,0 +1,40 @@
+var fs = require('fs');
+var spawn = require('../_spawn');
+var async = require('async');
+var _ = require('lodash');
+
+var root = require('path').join(__dirname, '../..');
+var bowerDir = root + '/src/bower-elasticsearch-js';
+
+// get both the bower and node package files
+var bowerJson = require(bowerDir + '/bower.json');
+var esjsJson = require(root + '/package.json');
+
+// update the version to match the node version
+bowerJson.version = esjsJson.version;
+
+// write the new bower.json file
+fs.writeFileSync(bowerDir + '/bower.json', JSON.stringify(bowerJson, null, '  '));
+
+function make(cmd, args) {
+  return _.bind(spawn, null, cmd, args, {
+    verbose: true,
+    cwd: bowerDir
+  });
+}
+
+async.series([
+  make('git', ['add', '-A']),
+  make('git', ['commit', '-m', 'version ' + bowerJson.version]),
+  make('git', ['tag', '-a', 'v' + bowerJson.version, '-m', 'version ' + bowerJson.version]),
+  make('git', ['push', 'origin', 'master']),
+  make('git', ['push', '--tags', 'origin'])
+], function (err) {
+  if (err) {
+    if (_.isNumber(err)) {
+      console.log('Non-zero exit code: %d', err);
+    } else {
+      console.log('Error: ', err.message ? err.message : err);
+    }
+  }
+});