Include hugo as a npm dependency

Don't require hugo to be installed separately; instead list the node
wrapper module hugo-bin as a dependency.

CONTRIBUTING.md

@@ -5,8 +5,6 @@ please read the [code of conduct](CODE_OF_CONDUCT.md).
 
 ## Setup
 
-> Install Hugo in your system: https://github.com/spf13/hugo/releases
-
 ```sh
 $ git clone https://github.com/netlify/victor-hugo
 $ cd victor-hugo

README.md

@@ -11,15 +11,7 @@ This project is released under the [MIT license](LICENSE). Please make sure you
 
 ## Usage
 
-Be sure that you have the latest node, npm and [Hugo](https://gohugo.io/) installed. If you need to install hugo on OSX, run:
-
-```bash
-brew install hugo
-```
-
-If you don't use OSX or don't use homebrew, follow the instructions for installation here instead:
-
-http://gohugo.io/overview/installing/
+Be sure that you have the latest node and npm installed.
 
 Next, clone this repository and run:
 

gulpfile.babel.js

@@ -1,5 +1,6 @@
 import gulp from "gulp";
-import cp from "child_process";
+import { spawn } from "child_process";
+import hugoBin from "hugo-bin"
 import gutil from "gulp-util";
 import postcss from "gulp-postcss";
 import cssImport from "postcss-import";
@@ -9,7 +10,6 @@ import webpack from "webpack";
 import webpackConfig from "./webpack.conf";
 
 const browserSync = BrowserSync.create();
-const hugoBin = "hugo";
 const defaultArgs = ["-d", "../dist", "-s", "site", "-v"];
 
 gulp.task("hugo", (cb) => buildSite(cb));
@@ -53,7 +53,7 @@ gulp.task("server", ["hugo", "css", "js"], () => {
 function buildSite(cb, options) {
   const args = options ? defaultArgs.concat(options) : defaultArgs;
 
-  return cp.spawn(hugoBin, args, {stdio: "inherit"}).on("close", (code) => {
+  return spawn(hugoBin, args, {stdio: "inherit"}).on("close", (code) => {
     if (code === 0) {
       browserSync.reload();
       cb();

package.json

@@ -31,6 +31,7 @@
     "gulp-babel": "^6.1.2",
     "gulp-postcss": "^6.1.1",
     "gulp-util": "^3.0.7",
+    "hugo-bin": "^0.11.0",
     "imports-loader": "^0.7.1",
     "postcss-cssnext": "^2.7.0",
     "postcss-import": "^10.0.0",