Use commander for CLI

bin/probot

@@ -0,0 +1,7 @@
+#!/usr/bin/env node
+
+require('commander')
+  .version(require('../package').version)
+  .usage('<command> [options]')
+  .command('run', 'run the bot')
+  .parse(process.argv)

bin/probot-run

@@ -0,0 +1,57 @@
+#!/usr/bin/env node
+
+require('dotenv').config();
+
+const program = require('commander');
+
+program
+  .usage('[options] <plugins...>')
+  .option('-i, --integration <id>', 'ID of the GitHub Integration', process.env.INTEGRATION_ID)
+  .option('-s, --secret <secret>', 'Webhook secret of the GitHub Integration', process.env.WEBHOOK_SECRET || 'development')
+  .option('-p, --port <n>', 'Port to start the server on', process.env.PORT || 3000)
+  .option('-c, --cert <file>', 'Path to certificate of the GitHub Integration', readCert, process.env.CERT)
+  .parse(process.argv);
+
+function readCert(path) {
+  try {
+    return require('fs').readFileSync(path);
+  } catch (err) {
+    console.warn(err.message);
+    process.exit(1);
+  }
+}
+
+const pkgConf = require('pkg-conf');
+const resolve = require('resolve').sync;
+const createProbot = require('../');
+
+if(!program.integration) {
+  console.warn("Missing GitHub Integration ID.\nUse --integration flag or set INTEGRATION_ID environment variable.");
+  process.exit(1);
+}
+
+if(!program.cert) {
+  console.warn("Missing GitHub Integration certificate.\nUse --cert flag or set CERT environment variable.");
+  process.exit(1);
+}
+
+const probot = createProbot({
+  id: program.integration,
+  secret: program.secret,
+  cert: program.cert,
+  port: program.port
+});
+
+pkgConf('probot').then(pkg => {
+  program.args.concat(pkg.plugins || []).map(plugin => {
+    try {
+      const path = resolve(plugin, {basedir: process.cwd()});
+      probot.load(require(path))
+    } catch(err) {
+      console.warn(err.message);
+      process.exit(1);
+    }
+  });
+
+  probot.start();
+});

bin/probot.js

@@ -1,29 +0,0 @@
-#!/usr/bin/env node
-
-try {
-  require('dotenv-safe').load();
-} catch (err) {
-  console.log(err.message);
-  process.exit(1);
-}
-
-const resolve = require('resolve');
-const pkgConf = require('pkg-conf');
-const probot = require('../index.js');
-
-function loadPlugins(plugins) {
-  plugins.forEach(plugin => {
-    resolve(plugin, {basedir: process.cwd()}, (err, path) => {
-      if (err) {
-        throw err;
-      } else {
-        probot.log.debug('loading plugin %s', path);
-        require(path)(probot);
-        return path;
-      }
-    });
-  });
-}
-
-loadPlugins(process.argv.slice(2));
-pkgConf('probot').then(pkg => loadPlugins(pkg.plugins || []));

index.js

@@ -1,26 +1,18 @@
-const fs = require('fs');
 const createWebhook = require('github-webhook-handler');
 const createIntegration = require('github-integration');
-
 const createRobot = require('./lib/robot');
 const createServer = require('./lib/server');
 
-const WEBHOOK_SECRET = process.env.WEBHOOK_SECRET || 'development';
-const PORT = process.env.PORT || 3000;
-
-const webhook = createWebhook({path: '/', secret: WEBHOOK_SECRET});
+module.exports = options => {
+  const webhook = createWebhook({path: '/', secret: options.secret});
   const integration = createIntegration({
-  id: process.env.INTEGRATION_ID,
-  cert: process.env.PRIVATE_KEY || fs.readFileSync('private-key.pem'),
+    id: options.id,
+    cert: options.cert,
     debug: process.env.LOG_LEVEL === 'trace'
   });
   const server = createServer(webhook);
   const robot = createRobot(integration, webhook);
 
-server.listen(PORT);
-
-console.log('Listening on http://localhost:' + PORT);
-
   // Show trace for any unhandled rejections
   process.on('unhandledRejection', reason => {
     robot.log.error(reason);
@@ -30,4 +22,18 @@ process.on('unhandledRejection', reason => {
   webhook.on('error', err => {
     robot.log.error(err);
   });
-module.exports = robot;
+
+  return {
+    server,
+    robot,
+
+    start() {
+      server.listen(options.port);
+      console.log('Listening on http://localhost:' + options.port);
+    },
+
+    load(plugin) {
+      plugin(robot);
+    }
+  };
+};

package.json

@@ -5,7 +5,7 @@
   "repository": "https://github.com/probot/probot",
   "main": "index.js",
   "bin": {
-    "probot": "./bin/probot.js"
+    "probot": "./bin/probot"
   },
   "scripts": {
     "start": "probot",
@@ -15,7 +15,8 @@
   "license": "ISC",
   "dependencies": {
     "bunyan": "^1.8.5",
-    "dotenv-safe": "^4.0.3",
+    "commander": "^2.9.0",
+    "dotenv": "~4.0.0",
     "github-integration": "^1.0.0",
     "github-webhook-handler": "^0.6.0",
     "pkg-conf": "^2.0.0",