Revert "Remove hipchat notifier."

This reverts commit bbb10c2.

index.js

@@ -6,6 +6,7 @@ const StaleRepos = require('./lib/stalerepos');
 const notifiers = {
 	email: require('./lib/notifiers/email'),
 	github: require('./lib/notifiers/github'),
+	hipchat: require('./lib/notifiers/hipchat'),
 	slack: require('./lib/notifiers/slack'),
 	console: require('./lib/notifiers/console'),
 };
@@ -30,6 +31,8 @@ command
 	.option('--exclude-labels [labels]', 'Define a [comma delimited] group of labels of which a PR must NOT contain.', coerceList, [])
 	.option('--include-reviewed [count]', 'Filter PRs with at least [count] approved reviews.',  0)
 	.option('--exclude-reviewed [count]', 'Filter PRs without at least [count] approved reviews.',  0)
+	.option('--hipchat-apikey [api key]', 'Hipchat API integration key. If included, hipchat will attempt to be notified.')
+	.option('--hipchat-room [room name]', 'Hipchat room ID or name.')
 	.option('--slack-webhook [url]', 'Slack webhook URL to post messages.')
 	.parse(process.argv);
 
@@ -65,6 +68,9 @@ async function main() {
 		if (command.label) {
 			notifier.add(new notifiers.github(githubClient));
 		}
+		if (command.hipchatApikey) {
+			notifier.add(new notifiers.hipchat(command.hipchatApikey, command.hipchatRoom));
+		}
 		if (command.slackWebhook) {
 			notifier.add(new notifiers.slack(command.slackWebhook));
 		}

lib/notifiers/hipchat.js

@@ -0,0 +1,26 @@
+const fs = require('fs');
+const P = require('bluebird');
+const Hipchatter = require('hipchatter');
+const co = require('co');
+const _ = require('lodash');
+
+module.exports = class Hipchat {
+	constructor(apiKey, roomID) {
+		const template = fs.readFileSync(__dirname + '/../../templates/hipchat.html').toString();
+		this.compiledTemplate = _.template(template);
+		this.roomID = roomID;
+		this.client = new Hipchatter(apiKey);
+		this.client.notify = P.promisify(this.client.notify);
+	}
+
+	notify(repos) {
+		return co.call(this, function*() {
+			return yield this.client.notify(this.roomID, {
+				message: this.compiledTemplate({ repos: repos }),
+				message_format: 'html',
+				notify: true,
+				color: 'gray'
+			});
+		});
+	}
+};