feat: add cli to server

This enables users to run the bot via terminal command.

bin/pr-police

@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+const minimist = require('minimist')
+
+require('../lib/cli')(minimist(process.argv.slice(2)))

lib/cli.js

@@ -0,0 +1,27 @@
+const server = require('./server')
+const meta = require('../package.json')
+
+module.exports = function (args) {
+  if (args.help) {
+    showUsage()
+    process.exit(0)
+  } else if (args.version) {
+    showVersion()
+    process.exit(0)
+  } else if (args._.length > 0) {
+    showUsage()
+    process.exit(-1)
+  } else {
+    server()
+  }
+}
+
+function showUsage () {
+  console.log(meta.name + ' [--version] [--help]\n')
+  console.log('\t--version  show version info')
+  console.log('\t--help     show this usage info')
+}
+
+function showVersion () {
+  console.log(meta.name + ' version ' + meta.version)
+}

package.json

@@ -15,9 +15,13 @@
     "github",
     "labels"
   ],
+  "bin": {
+    "pr-police": "./bin/pr-police"
+  },
   "author": "rogeriopvl",
   "license": "MIT",
   "dependencies": {
+    "minimist": "^1.2.0",
     "pullhub": "^1.0.1",
     "slackbots": "^1.0.2"
   },

yarn.lock

@@ -1003,10 +1003,6 @@ lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
 
-lodash.debounce@^4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
-
 lodash.flatten@^4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
@@ -1047,7 +1043,7 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.0, minimist@~1.2.0:
+minimist@^1.1.0, minimist@^1.2.0, minimist@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"