更新wiki hook脚本

app.js

@@ -2,6 +2,7 @@
 const express = require('express')
 const bodyParser = require('body-parser')
 const low = require('lowdb')
+const exec = require('exec')
 const db = low('./usage.json')
 
 const app = express()
@@ -22,6 +23,25 @@ app.get('/usage', function (req, res) {
   })
 })
 
+app.get('/book/update', function(req, res){
+	const WIKI_PATH = '/home/wiki'
+	const commands = [
+		'cd ' + WIKI_PATH,
+		'git pull'
+	].join('&&')
+
+	exec(commands, function(err,out){
+		if(err instanceof Error){
+			res.writeHead(500)
+			res.end('Hook error')
+			throw err
+		}
+	 	process.stderr.write(err)
+    process.stdout.write(out)
+    res.writeHead(200)
+	})
+})
+
 app.post('/register', function(req, res){
 	const machine = req.body.machine
 	const branch = req.body.branch