Make index.md generated from canonical GopherJS README.

dmitshur · dmitshur · commit 71b81eb30ee4 · 2015-10-17T18:09:54.000-07:00
This way, having the website up to date becomes somewhat easier, until
we have enough resources to manually maintain it with separate
(curated) content.
diff --git a/doc.go b/doc.go
@@ -0,0 +1,6 @@
+// Package gopherjswebsite is the www.gopherjs.org website source.
+//
+// It should be updated with `go generate github.com/gopherjs/gopherjs.github.io/...`.
+package gopherjswebsite
+
+//go:generate go run generate.go
diff --git a/generate.go b/generate.go
@@ -0,0 +1,48 @@
+// +build generate
+
+package main
+
+import (
+	"bytes"
+	"io"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+func gen() error {
+	resp, err := http.Get("https://raw.githubusercontent.com/gopherjs/gopherjs/master/README.md")
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	io.WriteString(&buf, `---
+# generated by generate.go; DO NOT EDIT
+layout: index
+title: Home
+permalink: /
+---
+
+`)
+	_, err = buf.Write(body)
+	if err != nil {
+		return err
+	}
+
+	ioutil.WriteFile("index.md", buf.Bytes(), 0644)
+
+	return nil
+}
+
+func main() {
+	err := gen()
+	if err != nil {
+		log.Fatalln(err)
+	}
+}
diff --git a/index.md b/index.md
@@ -1,4 +1,5 @@
 ---
+# generated by generate.go; DO NOT EDIT
 layout: index
 title: Home
 permalink: /
@@ -7,6 +8,8 @@ permalink: /
 GopherJS - A compiler from Go to JavaScript
 -------------------------------------------
 
+[![Circle CI](https://circleci.com/gh/gopherjs/gopherjs.svg?style=svg)](https://circleci.com/gh/gopherjs/gopherjs)
+
 GopherJS compiles Go code ([golang.org](http://golang.org/)) to pure JavaScript code. Its main purpose is to give you the opportunity to write front-end code in Go which will still run in all browsers. Give GopherJS a try on the [GopherJS Playground](http://gopherjs.github.io/playground/).
 
 ### What is supported?
@@ -31,6 +34,7 @@ Now you can use  `gopherjs build [files]` or `gopherjs install [package]` which
 - Use `float64` instead of `float32`.
 
 ### Community
+- [#gopherjs Channel on Gophers Slack](https://gophers.slack.com/messages/gopherjs/) (invites to Gophers Slack are available [here](http://blog.gopheracademy.com/gophers-slack-community/#how-can-i-be-invited-to-join:2facdc921b2310f18cb851c36fa92369))
 - [Google Group](https://groups.google.com/d/forum/gopherjs)
 - [Bindings to JavaScript APIs and libraries](https://github.com/gopherjs/gopherjs/wiki/bindings)
 - [GopherJS on Twitter](https://twitter.com/GopherJS)
