From 95f21922bc86bdf847083f381cf58312af18bf46 Mon Sep 17 00:00:00 2001
From: Michael Bleigh <bleigh@google.com>
Date: Mon, 28 Sep 2015 14:19:25 -0700
Subject: [PATCH] Allow for Bolt rules parsing.

---
 commands/deploy.js    |  4 ++++
 lib/loadRules.js      | 10 +++++++++-
 lib/parseBoltRules.js | 26 ++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 lib/parseBoltRules.js

diff --git a/commands/deploy.js b/commands/deploy.js
index 4815f0fb..5928e0aa 100644
--- a/commands/deploy.js
+++ b/commands/deploy.js
@@ -50,6 +50,10 @@ module.exports = new Command('deploy')
 
       return prepareUpload(options, config);
     }).then(function(upload) {
+      if (!upload.manifest.length) {
+        return utils.reject('Must have at least one file in public directory to deploy.', {exit: 1});
+      }
+
       payload.hosting = {
         version: versionId,
         prefix: versionId + '/',
diff --git a/lib/loadRules.js b/lib/loadRules.js
index e49c4c0a..0578521d 100644
--- a/lib/loadRules.js
+++ b/lib/loadRules.js
@@ -4,8 +4,10 @@ var FirebaseError = require('./error');
 var detectProjectRoot = require('./detectProjectRoot');
 var cjson = require('cjson');
 var loadConfig = require('./loadConfig');
+var parseBoltRules = require('./parseBoltRules');
 var resolveProjectPath = require('./resolveProjectPath');
 var chalk = require('chalk');
+var path = require('path');
 
 module.exports = function(options) {
   var config = loadConfig(options);
@@ -18,7 +20,13 @@ module.exports = function(options) {
   var pd = detectProjectRoot(options.cwd);
   if (pd) {
     try {
-      var rules = cjson.load(resolveProjectPath(options.cwd, config.rules));
+      var rulesPath = resolveProjectPath(pd, config.rules);
+
+      if (path.extname(rulesPath) === '.bolt') {
+        return parseBoltRules(rulesPath);
+      }
+
+      var rules = cjson.load(rulesPath);
       return rules;
     } catch (e) {
       if (e.code === 'ENOENT') {
diff --git a/lib/parseBoltRules.js b/lib/parseBoltRules.js
new file mode 100644
index 00000000..f1698b32
--- /dev/null
+++ b/lib/parseBoltRules.js
@@ -0,0 +1,26 @@
+'use strict';
+
+var fs = require('fs');
+var spawnSync = require('child_process').spawnSync;
+var FirebaseError = require('./error');
+var chalk = require('chalk');
+
+module.exports = function(filename) {
+  var ruleSrc = fs.readFileSync(filename);
+
+  var result = spawnSync('firebase-bolt', {
+    input: ruleSrc,
+    timeout: 10000,
+    encoding: 'utf-8'
+  });
+
+  if (result.error && result.error.code === 'ENOENT') {
+    throw new FirebaseError('Bolt not installed, run ' + chalk.bold('npm install -g firebase-bolt'), {exit: 1});
+  } else if (result.error) {
+    throw new FirebaseError('Unexpected error parsing Bolt rules file', {exit: 2});
+  } else if (result.status > 0) {
+    throw new FirebaseError(result.stderr, {exit: 1});
+  }
+
+  return JSON.parse(result.stdout);
+};